crypto/testmgr.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Algorithm testing framework and tests.
   4  *
   5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
   7  * Copyright (c) 2007 Nokia Siemens Networks
   8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
   9  * Copyright (c) 2019 Google LLC
  10  *
  11  * Updated RFC4106 AES-GCM testing.
  12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
  13  *             Adrian Hoban <adrian.hoban@intel.com>
  14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
  15  *             Tadeusz Struk (tadeusz.struk@intel.com)
  16  *    Copyright (c) 2010, Intel Corporation.
  17  */
  18
  19 #include <crypto/aead.h>
  20 #include <crypto/hash.h>
  21 #include <crypto/skcipher.h>
  22 #include <linux/err.h>
  23 #include <linux/fips.h>
  24 #include <linux/module.h>
  25 #include <linux/once.h>
  26 #include <linux/random.h>
  27 #include <linux/scatterlist.h>
  28 #include <linux/slab.h>
  29 #include <linux/string.h>
  30 #include <linux/uio.h>
  31 #include <crypto/rng.h>
  32 #include <crypto/drbg.h>
  33 #include <crypto/akcipher.h>
  34 #include <crypto/kpp.h>
  35 #include <crypto/acompress.h>
  36 #include <crypto/internal/cipher.h>
  37 #include <crypto/internal/simd.h>
  38
  39 #include "internal.h"
  40
  41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
  42
  43 static bool notests;
  44 module_param(notests, bool, 0644);
  45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
  46
  47 static bool panic_on_fail;
  48 module_param(panic_on_fail, bool, 0444);
  49
  50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
  51 static bool noextratests;
  52 module_param(noextratests, bool, 0644);
  53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
  54
  55 static unsigned int fuzz_iterations = 100;
  56 module_param(fuzz_iterations, uint, 0644);
  57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
  58 #endif
  59
  60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
  61
  62 /* a perfect nop */
  63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
  64 {
  65         return 0;
  66 }
  67
  68 #else
  69
  70 #include "testmgr.h"
  71
  72 /*
  73  * Need slab memory for testing (size in number of pages).
  74  */
  75 #define XBUFSIZE        8
  76
  77 /*
  78 * Used by test_cipher()
  79 */
  80 #define ENCRYPT 1
  81 #define DECRYPT 0
  82
  83 struct aead_test_suite {
  84         const struct aead_testvec *vecs;
  85         unsigned int count;
  86
  87         /*
  88          * Set if trying to decrypt an inauthentic ciphertext with this
  89          * algorithm might result in EINVAL rather than EBADMSG, due to other
  90          * validation the algorithm does on the inputs such as length checks.
  91          */
  92         unsigned int einval_allowed : 1;
  93
  94         /*
  95          * Set if this algorithm requires that the IV be located at the end of
  96          * the AAD buffer, in addition to being given in the normal way.  The
  97          * behavior when the two IV copies differ is implementation-defined.
  98          */
  99         unsigned int aad_iv : 1;
 100 };
 101
 102 struct cipher_test_suite {
 103         const struct cipher_testvec *vecs;
 104         unsigned int count;
 105 };
 106
 107 struct comp_test_suite {
 108         struct {
 109                 const struct comp_testvec *vecs;
 110                 unsigned int count;
 111         } comp, decomp;
 112 };
 113
 114 struct hash_test_suite {
 115         const struct hash_testvec *vecs;
 116         unsigned int count;
 117 };
 118
 119 struct cprng_test_suite {
 120         const struct cprng_testvec *vecs;
 121         unsigned int count;
 122 };
 123
 124 struct drbg_test_suite {
 125         const struct drbg_testvec *vecs;
 126         unsigned int count;
 127 };
 128
 129 struct akcipher_test_suite {
 130         const struct akcipher_testvec *vecs;
 131         unsigned int count;
 132 };
 133
 134 struct kpp_test_suite {
 135         const struct kpp_testvec *vecs;
 136         unsigned int count;
 137 };
 138
 139 struct alg_test_desc {
 140         const char *alg;
 141         const char *generic_driver;
 142         int (*test)(const struct alg_test_desc *desc, const char *driver,
 143                     u32 type, u32 mask);
 144         int fips_allowed;       /* set if alg is allowed in fips mode */
 145
 146         union {
 147                 struct aead_test_suite aead;
 148                 struct cipher_test_suite cipher;
 149                 struct comp_test_suite comp;
 150                 struct hash_test_suite hash;
 151                 struct cprng_test_suite cprng;
 152                 struct drbg_test_suite drbg;
 153                 struct akcipher_test_suite akcipher;
 154                 struct kpp_test_suite kpp;
 155         } suite;
 156 };
 157
 158 static void hexdump(unsigned char *buf, unsigned int len)
 159 {
 160         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
 161                         16, 1,
 162                         buf, len, false);
 163 }
 164
 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
 166 {
 167         int i;
 168
 169         for (i = 0; i < XBUFSIZE; i++) {
 170                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
 171                 if (!buf[i])
 172                         goto err_free_buf;
 173         }
 174
 175         return 0;
 176
 177 err_free_buf:
 178         while (i-- > 0)
 179                 free_pages((unsigned long)buf[i], order);
 180
 181         return -ENOMEM;
 182 }
 183
 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
 185 {
 186         return __testmgr_alloc_buf(buf, 0);
 187 }
 188
 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
 190 {
 191         int i;
 192
 193         for (i = 0; i < XBUFSIZE; i++)
 194                 free_pages((unsigned long)buf[i], order);
 195 }
 196
 197 static void testmgr_free_buf(char *buf[XBUFSIZE])
 198 {
 199         __testmgr_free_buf(buf, 0);
 200 }
 201
 202 #define TESTMGR_POISON_BYTE     0xfe
 203 #define TESTMGR_POISON_LEN      16
 204
 205 static inline void testmgr_poison(void *addr, size_t len)
 206 {
 207         memset(addr, TESTMGR_POISON_BYTE, len);
 208 }
 209
 210 /* Is the memory region still fully poisoned? */
 211 static inline bool testmgr_is_poison(const void *addr, size_t len)
 212 {
 213         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
 214 }
 215
 216 /* flush type for hash algorithms */
 217 enum flush_type {
 218         /* merge with update of previous buffer(s) */
 219         FLUSH_TYPE_NONE = 0,
 220
 221         /* update with previous buffer(s) before doing this one */
 222         FLUSH_TYPE_FLUSH,
 223
 224         /* likewise, but also export and re-import the intermediate state */
 225         FLUSH_TYPE_REIMPORT,
 226 };
 227
 228 /* finalization function for hash algorithms */
 229 enum finalization_type {
 230         FINALIZATION_TYPE_FINAL,        /* use final() */
 231         FINALIZATION_TYPE_FINUP,        /* use finup() */
 232         FINALIZATION_TYPE_DIGEST,       /* use digest() */
 233 };
 234
 235 /*
 236  * Whether the crypto operation will occur in-place, and if so whether the
 237  * source and destination scatterlist pointers will coincide (req->src ==
 238  * req->dst), or whether they'll merely point to two separate scatterlists
 239  * (req->src != req->dst) that reference the same underlying memory.
 240  *
 241  * This is only relevant for algorithm types that support in-place operation.
 242  */
 243 enum inplace_mode {
 244         OUT_OF_PLACE,
 245         INPLACE_ONE_SGLIST,
 246         INPLACE_TWO_SGLISTS,
 247 };
 248
 249 #define TEST_SG_TOTAL   10000
 250
 251 /**
 252  * struct test_sg_division - description of a scatterlist entry
 253  *
 254  * This struct describes one entry of a scatterlist being constructed to check a
 255  * crypto test vector.
 256  *
 257  * @proportion_of_total: length of this chunk relative to the total length,
 258  *                       given as a proportion out of TEST_SG_TOTAL so that it
 259  *                       scales to fit any test vector
 260  * @offset: byte offset into a 2-page buffer at which this chunk will start
 261  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
 262  *                                @offset
 263  * @flush_type: for hashes, whether an update() should be done now vs.
 264  *              continuing to accumulate data
 265  * @nosimd: if doing the pending update(), do it with SIMD disabled?
 266  */
 267 struct test_sg_division {
 268         unsigned int proportion_of_total;
 269         unsigned int offset;
 270         bool offset_relative_to_alignmask;
 271         enum flush_type flush_type;
 272         bool nosimd;
 273 };
 274
 275 /**
 276  * struct testvec_config - configuration for testing a crypto test vector
 277  *
 278  * This struct describes the data layout and other parameters with which each
 279  * crypto test vector can be tested.
 280  *
 281  * @name: name of this config, logged for debugging purposes if a test fails
 282  * @inplace_mode: whether and how to operate on the data in-place, if applicable
 283  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
 284  * @src_divs: description of how to arrange the source scatterlist
 285  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
 286  *            for the algorithm type.  Defaults to @src_divs if unset.
 287  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
 288  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
 289  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 290  *                                   the @iv_offset
 291  * @key_offset: misalignment of the key, where 0 is default alignment
 292  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 293  *                                    the @key_offset
 294  * @finalization_type: what finalization function to use for hashes
 295  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
 296  */
 297 struct testvec_config {
 298         const char *name;
 299         enum inplace_mode inplace_mode;
 300         u32 req_flags;
 301         struct test_sg_division src_divs[XBUFSIZE];
 302         struct test_sg_division dst_divs[XBUFSIZE];
 303         unsigned int iv_offset;
 304         unsigned int key_offset;
 305         bool iv_offset_relative_to_alignmask;
 306         bool key_offset_relative_to_alignmask;
 307         enum finalization_type finalization_type;
 308         bool nosimd;
 309 };
 310
 311 #define TESTVEC_CONFIG_NAMELEN  192
 312
 313 /*
 314  * The following are the lists of testvec_configs to test for each algorithm
 315  * type when the basic crypto self-tests are enabled, i.e. when
 316  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
 317  * coverage, while keeping the test time much shorter than the full fuzz tests
 318  * so that the basic tests can be enabled in a wider range of circumstances.
 319  */
 320
 321 /* Configs for skciphers and aeads */
 322 static const struct testvec_config default_cipher_testvec_configs[] = {
 323         {
 324                 .name = "in-place (one sglist)",
 325                 .inplace_mode = INPLACE_ONE_SGLIST,
 326                 .src_divs = { { .proportion_of_total = 10000 } },
 327         }, {
 328                 .name = "in-place (two sglists)",
 329                 .inplace_mode = INPLACE_TWO_SGLISTS,
 330                 .src_divs = { { .proportion_of_total = 10000 } },
 331         }, {
 332                 .name = "out-of-place",
 333                 .inplace_mode = OUT_OF_PLACE,
 334                 .src_divs = { { .proportion_of_total = 10000 } },
 335         }, {
 336                 .name = "unaligned buffer, offset=1",
 337                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 338                 .iv_offset = 1,
 339                 .key_offset = 1,
 340         }, {
 341                 .name = "buffer aligned only to alignmask",
 342                 .src_divs = {
 343                         {
 344                                 .proportion_of_total = 10000,
 345                                 .offset = 1,
 346                                 .offset_relative_to_alignmask = true,
 347                         },
 348                 },
 349                 .iv_offset = 1,
 350                 .iv_offset_relative_to_alignmask = true,
 351                 .key_offset = 1,
 352                 .key_offset_relative_to_alignmask = true,
 353         }, {
 354                 .name = "two even aligned splits",
 355                 .src_divs = {
 356                         { .proportion_of_total = 5000 },
 357                         { .proportion_of_total = 5000 },
 358                 },
 359         }, {
 360                 .name = "one src, two even splits dst",
 361                 .inplace_mode = OUT_OF_PLACE,
 362                 .src_divs = { { .proportion_of_total = 10000 } },
 363                 .dst_divs = {
 364                         { .proportion_of_total = 5000 },
 365                         { .proportion_of_total = 5000 },
 366                  },
 367         }, {
 368                 .name = "uneven misaligned splits, may sleep",
 369                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 370                 .src_divs = {
 371                         { .proportion_of_total = 1900, .offset = 33 },
 372                         { .proportion_of_total = 3300, .offset = 7  },
 373                         { .proportion_of_total = 4800, .offset = 18 },
 374                 },
 375                 .iv_offset = 3,
 376                 .key_offset = 3,
 377         }, {
 378                 .name = "misaligned splits crossing pages, inplace",
 379                 .inplace_mode = INPLACE_ONE_SGLIST,
 380                 .src_divs = {
 381                         {
 382                                 .proportion_of_total = 7500,
 383                                 .offset = PAGE_SIZE - 32
 384                         }, {
 385                                 .proportion_of_total = 2500,
 386                                 .offset = PAGE_SIZE - 7
 387                         },
 388                 },
 389         }
 390 };
 391
 392 static const struct testvec_config default_hash_testvec_configs[] = {
 393         {
 394                 .name = "init+update+final aligned buffer",
 395                 .src_divs = { { .proportion_of_total = 10000 } },
 396                 .finalization_type = FINALIZATION_TYPE_FINAL,
 397         }, {
 398                 .name = "init+finup aligned buffer",
 399                 .src_divs = { { .proportion_of_total = 10000 } },
 400                 .finalization_type = FINALIZATION_TYPE_FINUP,
 401         }, {
 402                 .name = "digest aligned buffer",
 403                 .src_divs = { { .proportion_of_total = 10000 } },
 404                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 405         }, {
 406                 .name = "init+update+final misaligned buffer",
 407                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 408                 .finalization_type = FINALIZATION_TYPE_FINAL,
 409                 .key_offset = 1,
 410         }, {
 411                 .name = "digest buffer aligned only to alignmask",
 412                 .src_divs = {
 413                         {
 414                                 .proportion_of_total = 10000,
 415                                 .offset = 1,
 416                                 .offset_relative_to_alignmask = true,
 417                         },
 418                 },
 419                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 420                 .key_offset = 1,
 421                 .key_offset_relative_to_alignmask = true,
 422         }, {
 423                 .name = "init+update+update+final two even splits",
 424                 .src_divs = {
 425                         { .proportion_of_total = 5000 },
 426                         {
 427                                 .proportion_of_total = 5000,
 428                                 .flush_type = FLUSH_TYPE_FLUSH,
 429                         },
 430                 },
 431                 .finalization_type = FINALIZATION_TYPE_FINAL,
 432         }, {
 433                 .name = "digest uneven misaligned splits, may sleep",
 434                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 435                 .src_divs = {
 436                         { .proportion_of_total = 1900, .offset = 33 },
 437                         { .proportion_of_total = 3300, .offset = 7  },
 438                         { .proportion_of_total = 4800, .offset = 18 },
 439                 },
 440                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 441         }, {
 442                 .name = "digest misaligned splits crossing pages",
 443                 .src_divs = {
 444                         {
 445                                 .proportion_of_total = 7500,
 446                                 .offset = PAGE_SIZE - 32,
 447                         }, {
 448                                 .proportion_of_total = 2500,
 449                                 .offset = PAGE_SIZE - 7,
 450                         },
 451                 },
 452                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 453         }, {
 454                 .name = "import/export",
 455                 .src_divs = {
 456                         {
 457                                 .proportion_of_total = 6500,
 458                                 .flush_type = FLUSH_TYPE_REIMPORT,
 459                         }, {
 460                                 .proportion_of_total = 3500,
 461                                 .flush_type = FLUSH_TYPE_REIMPORT,
 462                         },
 463                 },
 464                 .finalization_type = FINALIZATION_TYPE_FINAL,
 465         }
 466 };
 467
 468 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 469 {
 470         unsigned int remaining = TEST_SG_TOTAL;
 471         unsigned int ndivs = 0;
 472
 473         do {
 474                 remaining -= divs[ndivs++].proportion_of_total;
 475         } while (remaining);
 476
 477         return ndivs;
 478 }
 479
 480 #define SGDIVS_HAVE_FLUSHES     BIT(0)
 481 #define SGDIVS_HAVE_NOSIMD      BIT(1)
 482
 483 static bool valid_sg_divisions(const struct test_sg_division *divs,
 484                                unsigned int count, int *flags_ret)
 485 {
 486         unsigned int total = 0;
 487         unsigned int i;
 488
 489         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 490                 if (divs[i].proportion_of_total <= 0 ||
 491                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 492                         return false;
 493                 total += divs[i].proportion_of_total;
 494                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
 495                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
 496                 if (divs[i].nosimd)
 497                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
 498         }
 499         return total == TEST_SG_TOTAL &&
 500                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 501 }
 502
 503 /*
 504  * Check whether the given testvec_config is valid.  This isn't strictly needed
 505  * since every testvec_config should be valid, but check anyway so that people
 506  * don't unknowingly add broken configs that don't do what they wanted.
 507  */
 508 static bool valid_testvec_config(const struct testvec_config *cfg)
 509 {
 510         int flags = 0;
 511
 512         if (cfg->name == NULL)
 513                 return false;
 514
 515         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 516                                 &flags))
 517                 return false;
 518
 519         if (cfg->dst_divs[0].proportion_of_total) {
 520                 if (!valid_sg_divisions(cfg->dst_divs,
 521                                         ARRAY_SIZE(cfg->dst_divs), &flags))
 522                         return false;
 523         } else {
 524                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 525                         return false;
 526                 /* defaults to dst_divs=src_divs */
 527         }
 528
 529         if (cfg->iv_offset +
 530             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 531             MAX_ALGAPI_ALIGNMASK + 1)
 532                 return false;
 533
 534         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 535             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 536                 return false;
 537
 538         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 539             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 540                 return false;
 541
 542         return true;
 543 }
 544
 545 struct test_sglist {
 546         char *bufs[XBUFSIZE];
 547         struct scatterlist sgl[XBUFSIZE];
 548         struct scatterlist sgl_saved[XBUFSIZE];
 549         struct scatterlist *sgl_ptr;
 550         unsigned int nents;
 551 };
 552
 553 static int init_test_sglist(struct test_sglist *tsgl)
 554 {
 555         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 556 }
 557
 558 static void destroy_test_sglist(struct test_sglist *tsgl)
 559 {
 560         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 561 }
 562
 563 /**
 564  * build_test_sglist() - build a scatterlist for a crypto test
 565  *
 566  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 567  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 568  * @divs: the layout specification on which the scatterlist will be based
 569  * @alignmask: the algorithm's alignmask
 570  * @total_len: the total length of the scatterlist to build in bytes
 571  * @data: if non-NULL, the buffers will be filled with this data until it ends.
 572  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
 573  *        past the end of each buffer will be poisoned to help detect overruns.
 574  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 575  *            corresponds will be returned here.  This will match @divs except
 576  *            that divisions resolving to a length of 0 are omitted as they are
 577  *            not included in the scatterlist.
 578  *
 579  * Return: 0 or a -errno value
 580  */
 581 static int build_test_sglist(struct test_sglist *tsgl,
 582                              const struct test_sg_division *divs,
 583                              const unsigned int alignmask,
 584                              const unsigned int total_len,
 585                              struct iov_iter *data,
 586                              const struct test_sg_division *out_divs[XBUFSIZE])
 587 {
 588         struct {
 589                 const struct test_sg_division *div;
 590                 size_t length;
 591         } partitions[XBUFSIZE];
 592         const unsigned int ndivs = count_test_sg_divisions(divs);
 593         unsigned int len_remaining = total_len;
 594         unsigned int i;
 595
 596         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 597         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 598                 return -EINVAL;
 599
 600         /* Calculate the (div, length) pairs */
 601         tsgl->nents = 0;
 602         for (i = 0; i < ndivs; i++) {
 603                 unsigned int len_this_sg =
 604                         min(len_remaining,
 605                             (total_len * divs[i].proportion_of_total +
 606                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 607
 608                 if (len_this_sg != 0) {
 609                         partitions[tsgl->nents].div = &divs[i];
 610                         partitions[tsgl->nents].length = len_this_sg;
 611                         tsgl->nents++;
 612                         len_remaining -= len_this_sg;
 613                 }
 614         }
 615         if (tsgl->nents == 0) {
 616                 partitions[tsgl->nents].div = &divs[0];
 617                 partitions[tsgl->nents].length = 0;
 618                 tsgl->nents++;
 619         }
 620         partitions[tsgl->nents - 1].length += len_remaining;
 621
 622         /* Set up the sgl entries and fill the data or poison */
 623         sg_init_table(tsgl->sgl, tsgl->nents);
 624         for (i = 0; i < tsgl->nents; i++) {
 625                 unsigned int offset = partitions[i].div->offset;
 626                 void *addr;
 627
 628                 if (partitions[i].div->offset_relative_to_alignmask)
 629                         offset += alignmask;
 630
 631                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 632                        2 * PAGE_SIZE) {
 633                         if (WARN_ON(offset <= 0))
 634                                 return -EINVAL;
 635                         offset /= 2;
 636                 }
 637
 638                 addr = &tsgl->bufs[i][offset];
 639                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 640
 641                 if (out_divs)
 642                         out_divs[i] = partitions[i].div;
 643
 644                 if (data) {
 645                         size_t copy_len, copied;
 646
 647                         copy_len = min(partitions[i].length, data->count);
 648                         copied = copy_from_iter(addr, copy_len, data);
 649                         if (WARN_ON(copied != copy_len))
 650                                 return -EINVAL;
 651                         testmgr_poison(addr + copy_len, partitions[i].length +
 652                                        TESTMGR_POISON_LEN - copy_len);
 653                 } else {
 654                         testmgr_poison(addr, partitions[i].length +
 655                                        TESTMGR_POISON_LEN);
 656                 }
 657         }
 658
 659         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 660         tsgl->sgl_ptr = tsgl->sgl;
 661         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 662         return 0;
 663 }
 664
 665 /*
 666  * Verify that a scatterlist crypto operation produced the correct output.
 667  *
 668  * @tsgl: scatterlist containing the actual output
 669  * @expected_output: buffer containing the expected output
 670  * @len_to_check: length of @expected_output in bytes
 671  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 672  * @check_poison: verify that the poison bytes after each chunk are intact?
 673  *
 674  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 675  */
 676 static int verify_correct_output(const struct test_sglist *tsgl,
 677                                  const char *expected_output,
 678                                  unsigned int len_to_check,
 679                                  unsigned int unchecked_prefix_len,
 680                                  bool check_poison)
 681 {
 682         unsigned int i;
 683
 684         for (i = 0; i < tsgl->nents; i++) {
 685                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
 686                 unsigned int len = sg->length;
 687                 unsigned int offset = sg->offset;
 688                 const char *actual_output;
 689
 690                 if (unchecked_prefix_len) {
 691                         if (unchecked_prefix_len >= len) {
 692                                 unchecked_prefix_len -= len;
 693                                 continue;
 694                         }
 695                         offset += unchecked_prefix_len;
 696                         len -= unchecked_prefix_len;
 697                         unchecked_prefix_len = 0;
 698                 }
 699                 len = min(len, len_to_check);
 700                 actual_output = page_address(sg_page(sg)) + offset;
 701                 if (memcmp(expected_output, actual_output, len) != 0)
 702                         return -EINVAL;
 703                 if (check_poison &&
 704                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 705                         return -EOVERFLOW;
 706                 len_to_check -= len;
 707                 expected_output += len;
 708         }
 709         if (WARN_ON(len_to_check != 0))
 710                 return -EINVAL;
 711         return 0;
 712 }
 713
 714 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 715 {
 716         unsigned int i;
 717
 718         for (i = 0; i < tsgl->nents; i++) {
 719                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 720                         return true;
 721                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 722                         return true;
 723                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 724                         return true;
 725         }
 726         return false;
 727 }
 728
 729 struct cipher_test_sglists {
 730         struct test_sglist src;
 731         struct test_sglist dst;
 732 };
 733
 734 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 735 {
 736         struct cipher_test_sglists *tsgls;
 737
 738         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 739         if (!tsgls)
 740                 return NULL;
 741
 742         if (init_test_sglist(&tsgls->src) != 0)
 743                 goto fail_kfree;
 744         if (init_test_sglist(&tsgls->dst) != 0)
 745                 goto fail_destroy_src;
 746
 747         return tsgls;
 748
 749 fail_destroy_src:
 750         destroy_test_sglist(&tsgls->src);
 751 fail_kfree:
 752         kfree(tsgls);
 753         return NULL;
 754 }
 755
 756 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 757 {
 758         if (tsgls) {
 759                 destroy_test_sglist(&tsgls->src);
 760                 destroy_test_sglist(&tsgls->dst);
 761                 kfree(tsgls);
 762         }
 763 }
 764
 765 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 766 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 767                                      const struct testvec_config *cfg,
 768                                      unsigned int alignmask,
 769                                      unsigned int src_total_len,
 770                                      unsigned int dst_total_len,
 771                                      const struct kvec *inputs,
 772                                      unsigned int nr_inputs)
 773 {
 774         struct iov_iter input;
 775         int err;
 776
 777         iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
 778         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 779                                 cfg->inplace_mode != OUT_OF_PLACE ?
 780                                         max(dst_total_len, src_total_len) :
 781                                         src_total_len,
 782                                 &input, NULL);
 783         if (err)
 784                 return err;
 785
 786         /*
 787          * In-place crypto operations can use the same scatterlist for both the
 788          * source and destination (req->src == req->dst), or can use separate
 789          * scatterlists (req->src != req->dst) which point to the same
 790          * underlying memory.  Make sure to test both cases.
 791          */
 792         if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
 793                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
 794                 tsgls->dst.nents = tsgls->src.nents;
 795                 return 0;
 796         }
 797         if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
 798                 /*
 799                  * For now we keep it simple and only test the case where the
 800                  * two scatterlists have identical entries, rather than
 801                  * different entries that split up the same memory differently.
 802                  */
 803                 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
 804                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 805                 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
 806                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 807                 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
 808                 tsgls->dst.nents = tsgls->src.nents;
 809                 return 0;
 810         }
 811         /* Out of place */
 812         return build_test_sglist(&tsgls->dst,
 813                                  cfg->dst_divs[0].proportion_of_total ?
 814                                         cfg->dst_divs : cfg->src_divs,
 815                                  alignmask, dst_total_len, NULL, NULL);
 816 }
 817
 818 /*
 819  * Support for testing passing a misaligned key to setkey():
 820  *
 821  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 822  * optionally adding alignmask.  Else, just use the key directly.
 823  */
 824 static int prepare_keybuf(const u8 *key, unsigned int ksize,
 825                           const struct testvec_config *cfg,
 826                           unsigned int alignmask,
 827                           const u8 **keybuf_ret, const u8 **keyptr_ret)
 828 {
 829         unsigned int key_offset = cfg->key_offset;
 830         u8 *keybuf = NULL, *keyptr = (u8 *)key;
 831
 832         if (key_offset != 0) {
 833                 if (cfg->key_offset_relative_to_alignmask)
 834                         key_offset += alignmask;
 835                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 836                 if (!keybuf)
 837                         return -ENOMEM;
 838                 keyptr = keybuf + key_offset;
 839                 memcpy(keyptr, key, ksize);
 840         }
 841         *keybuf_ret = keybuf;
 842         *keyptr_ret = keyptr;
 843         return 0;
 844 }
 845
 846 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 847 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
 848 ({                                                                      \
 849         const u8 *keybuf, *keyptr;                                      \
 850         int err;                                                        \
 851                                                                         \
 852         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
 853                              &keybuf, &keyptr);                         \
 854         if (err == 0) {                                                 \
 855                 err = setkey_f((tfm), keyptr, (ksize));                 \
 856                 kfree(keybuf);                                          \
 857         }                                                               \
 858         err;                                                            \
 859 })
 860
 861 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 862
 863 /*
 864  * The fuzz tests use prandom instead of the normal Linux RNG since they don't
 865  * need cryptographically secure random numbers.  This greatly improves the
 866  * performance of these tests, especially if they are run before the Linux RNG
 867  * has been initialized or if they are run on a lockdep-enabled kernel.
 868  */
 869
 870 static inline void init_rnd_state(struct rnd_state *rng)
 871 {
 872         prandom_seed_state(rng, get_random_u64());
 873 }
 874
 875 static inline u8 prandom_u8(struct rnd_state *rng)
 876 {
 877         return prandom_u32_state(rng);
 878 }
 879
 880 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
 881 {
 882         /*
 883          * This is slightly biased for non-power-of-2 values of 'ceil', but this
 884          * isn't important here.
 885          */
 886         return prandom_u32_state(rng) % ceil;
 887 }
 888
 889 static inline bool prandom_bool(struct rnd_state *rng)
 890 {
 891         return prandom_u32_below(rng, 2);
 892 }
 893
 894 static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
 895                                         u32 floor, u32 ceil)
 896 {
 897         return floor + prandom_u32_below(rng, ceil - floor + 1);
 898 }
 899
 900 /* Generate a random length in range [0, max_len], but prefer smaller values */
 901 static unsigned int generate_random_length(struct rnd_state *rng,
 902                                            unsigned int max_len)
 903 {
 904         unsigned int len = prandom_u32_below(rng, max_len + 1);
 905
 906         switch (prandom_u32_below(rng, 4)) {
 907         case 0:
 908                 return len % 64;
 909         case 1:
 910                 return len % 256;
 911         case 2:
 912                 return len % 1024;
 913         default:
 914                 return len;
 915         }
 916 }
 917
 918 /* Flip a random bit in the given nonempty data buffer */
 919 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
 920 {
 921         size_t bitpos;
 922
 923         bitpos = prandom_u32_below(rng, size * 8);
 924         buf[bitpos / 8] ^= 1 << (bitpos % 8);
 925 }
 926
 927 /* Flip a random byte in the given nonempty data buffer */
 928 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
 929 {
 930         buf[prandom_u32_below(rng, size)] ^= 0xff;
 931 }
 932
 933 /* Sometimes make some random changes to the given nonempty data buffer */
 934 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
 935 {
 936         size_t num_flips;
 937         size_t i;
 938
 939         /* Sometimes flip some bits */
 940         if (prandom_u32_below(rng, 4) == 0) {
 941                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
 942                                   size * 8);
 943                 for (i = 0; i < num_flips; i++)
 944                         flip_random_bit(rng, buf, size);
 945         }
 946
 947         /* Sometimes flip some bytes */
 948         if (prandom_u32_below(rng, 4) == 0) {
 949                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
 950                 for (i = 0; i < num_flips; i++)
 951                         flip_random_byte(rng, buf, size);
 952         }
 953 }
 954
 955 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 956 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
 957 {
 958         u8 b;
 959         u8 increment;
 960         size_t i;
 961
 962         if (count == 0)
 963                 return;
 964
 965         switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
 966         case 0:
 967         case 1:
 968                 /* All the same byte, plus optional mutations */
 969                 switch (prandom_u32_below(rng, 4)) {
 970                 case 0:
 971                         b = 0x00;
 972                         break;
 973                 case 1:
 974                         b = 0xff;
 975                         break;
 976                 default:
 977                         b = prandom_u8(rng);
 978                         break;
 979                 }
 980                 memset(buf, b, count);
 981                 mutate_buffer(rng, buf, count);
 982                 break;
 983         case 2:
 984                 /* Ascending or descending bytes, plus optional mutations */
 985                 increment = prandom_u8(rng);
 986                 b = prandom_u8(rng);
 987                 for (i = 0; i < count; i++, b += increment)
 988                         buf[i] = b;
 989                 mutate_buffer(rng, buf, count);
 990                 break;
 991         default:
 992                 /* Fully random bytes */
 993                 prandom_bytes_state(rng, buf, count);
 994         }
 995 }
 996
 997 static char *generate_random_sgl_divisions(struct rnd_state *rng,
 998                                            struct test_sg_division *divs,
 999                                            size_t max_divs, char *p, char *end,
1000                                            bool gen_flushes, u32 req_flags)
1001 {
1002         struct test_sg_division *div = divs;
1003         unsigned int remaining = TEST_SG_TOTAL;
1004
1005         do {
1006                 unsigned int this_len;
1007                 const char *flushtype_str;
1008
1009                 if (div == &divs[max_divs - 1] || prandom_bool(rng))
1010                         this_len = remaining;
1011                 else
1012                         this_len = prandom_u32_inclusive(rng, 1, remaining);
1013                 div->proportion_of_total = this_len;
1014
1015                 if (prandom_u32_below(rng, 4) == 0)
1016                         div->offset = prandom_u32_inclusive(rng,
1017                                                             PAGE_SIZE - 128,
1018                                                             PAGE_SIZE - 1);
1019                 else if (prandom_bool(rng))
1020                         div->offset = prandom_u32_below(rng, 32);
1021                 else
1022                         div->offset = prandom_u32_below(rng, PAGE_SIZE);
1023                 if (prandom_u32_below(rng, 8) == 0)
1024                         div->offset_relative_to_alignmask = true;
1025
1026                 div->flush_type = FLUSH_TYPE_NONE;
1027                 if (gen_flushes) {
1028                         switch (prandom_u32_below(rng, 4)) {
1029                         case 0:
1030                                 div->flush_type = FLUSH_TYPE_REIMPORT;
1031                                 break;
1032                         case 1:
1033                                 div->flush_type = FLUSH_TYPE_FLUSH;
1034                                 break;
1035                         }
1036                 }
1037
1038                 if (div->flush_type != FLUSH_TYPE_NONE &&
1039                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1040                     prandom_bool(rng))
1041                         div->nosimd = true;
1042
1043                 switch (div->flush_type) {
1044                 case FLUSH_TYPE_FLUSH:
1045                         if (div->nosimd)
1046                                 flushtype_str = "<flush,nosimd>";
1047                         else
1048                                 flushtype_str = "<flush>";
1049                         break;
1050                 case FLUSH_TYPE_REIMPORT:
1051                         if (div->nosimd)
1052                                 flushtype_str = "<reimport,nosimd>";
1053                         else
1054                                 flushtype_str = "<reimport>";
1055                         break;
1056                 default:
1057                         flushtype_str = "";
1058                         break;
1059                 }
1060
1061                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1062                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1063                                this_len / 100, this_len % 100,
1064                                div->offset_relative_to_alignmask ?
1065                                         "alignmask" : "",
1066                                div->offset, this_len == remaining ? "" : ", ");
1067                 remaining -= this_len;
1068                 div++;
1069         } while (remaining);
1070
1071         return p;
1072 }
1073
1074 /* Generate a random testvec_config for fuzz testing */
1075 static void generate_random_testvec_config(struct rnd_state *rng,
1076                                            struct testvec_config *cfg,
1077                                            char *name, size_t max_namelen)
1078 {
1079         char *p = name;
1080         char * const end = name + max_namelen;
1081
1082         memset(cfg, 0, sizeof(*cfg));
1083
1084         cfg->name = name;
1085
1086         p += scnprintf(p, end - p, "random:");
1087
1088         switch (prandom_u32_below(rng, 4)) {
1089         case 0:
1090         case 1:
1091                 cfg->inplace_mode = OUT_OF_PLACE;
1092                 break;
1093         case 2:
1094                 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1095                 p += scnprintf(p, end - p, " inplace_one_sglist");
1096                 break;
1097         default:
1098                 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1099                 p += scnprintf(p, end - p, " inplace_two_sglists");
1100                 break;
1101         }
1102
1103         if (prandom_bool(rng)) {
1104                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1105                 p += scnprintf(p, end - p, " may_sleep");
1106         }
1107
1108         switch (prandom_u32_below(rng, 4)) {
1109         case 0:
1110                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1111                 p += scnprintf(p, end - p, " use_final");
1112                 break;
1113         case 1:
1114                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1115                 p += scnprintf(p, end - p, " use_finup");
1116                 break;
1117         default:
1118                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1119                 p += scnprintf(p, end - p, " use_digest");
1120                 break;
1121         }
1122
1123         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) {
1124                 cfg->nosimd = true;
1125                 p += scnprintf(p, end - p, " nosimd");
1126         }
1127
1128         p += scnprintf(p, end - p, " src_divs=[");
1129         p = generate_random_sgl_divisions(rng, cfg->src_divs,
1130                                           ARRAY_SIZE(cfg->src_divs), p, end,
1131                                           (cfg->finalization_type !=
1132                                            FINALIZATION_TYPE_DIGEST),
1133                                           cfg->req_flags);
1134         p += scnprintf(p, end - p, "]");
1135
1136         if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1137                 p += scnprintf(p, end - p, " dst_divs=[");
1138                 p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1139                                                   ARRAY_SIZE(cfg->dst_divs),
1140                                                   p, end, false,
1141                                                   cfg->req_flags);
1142                 p += scnprintf(p, end - p, "]");
1143         }
1144
1145         if (prandom_bool(rng)) {
1146                 cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1147                                                        MAX_ALGAPI_ALIGNMASK);
1148                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1149         }
1150
1151         if (prandom_bool(rng)) {
1152                 cfg->key_offset = prandom_u32_inclusive(rng, 1,
1153                                                         MAX_ALGAPI_ALIGNMASK);
1154                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1155         }
1156
1157         WARN_ON_ONCE(!valid_testvec_config(cfg));
1158 }
1159
1160 static void crypto_disable_simd_for_test(void)
1161 {
1162         migrate_disable();
1163         __this_cpu_write(crypto_simd_disabled_for_test, true);
1164 }
1165
1166 static void crypto_reenable_simd_for_test(void)
1167 {
1168         __this_cpu_write(crypto_simd_disabled_for_test, false);
1169         migrate_enable();
1170 }
1171
1172 /*
1173  * Given an algorithm name, build the name of the generic implementation of that
1174  * algorithm, assuming the usual naming convention.  Specifically, this appends
1175  * "-generic" to every part of the name that is not a template name.  Examples:
1176  *
1177  *      aes => aes-generic
1178  *      cbc(aes) => cbc(aes-generic)
1179  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1180  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1181  *
1182  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1183  */
1184 static int build_generic_driver_name(const char *algname,
1185                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1186 {
1187         const char *in = algname;
1188         char *out = driver_name;
1189         size_t len = strlen(algname);
1190
1191         if (len >= CRYPTO_MAX_ALG_NAME)
1192                 goto too_long;
1193         do {
1194                 const char *in_saved = in;
1195
1196                 while (*in && *in != '(' && *in != ')' && *in != ',')
1197                         *out++ = *in++;
1198                 if (*in != '(' && in > in_saved) {
1199                         len += 8;
1200                         if (len >= CRYPTO_MAX_ALG_NAME)
1201                                 goto too_long;
1202                         memcpy(out, "-generic", 8);
1203                         out += 8;
1204                 }
1205         } while ((*out++ = *in++) != '\0');
1206         return 0;
1207
1208 too_long:
1209         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1210                algname);
1211         return -ENAMETOOLONG;
1212 }
1213 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1214 static void crypto_disable_simd_for_test(void)
1215 {
1216 }
1217
1218 static void crypto_reenable_simd_for_test(void)
1219 {
1220 }
1221 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1222
1223 static int build_hash_sglist(struct test_sglist *tsgl,
1224                              const struct hash_testvec *vec,
1225                              const struct testvec_config *cfg,
1226                              unsigned int alignmask,
1227                              const struct test_sg_division *divs[XBUFSIZE])
1228 {
1229         struct kvec kv;
1230         struct iov_iter input;
1231
1232         kv.iov_base = (void *)vec->plaintext;
1233         kv.iov_len = vec->psize;
1234         iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1235         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1236                                  &input, divs);
1237 }
1238
1239 static int check_hash_result(const char *type,
1240                              const u8 *result, unsigned int digestsize,
1241                              const struct hash_testvec *vec,
1242                              const char *vec_name,
1243                              const char *driver,
1244                              const struct testvec_config *cfg)
1245 {
1246         if (memcmp(result, vec->digest, digestsize) != 0) {
1247                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1248                        type, driver, vec_name, cfg->name);
1249                 return -EINVAL;
1250         }
1251         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1252                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1253                        type, driver, vec_name, cfg->name);
1254                 return -EOVERFLOW;
1255         }
1256         return 0;
1257 }
1258
1259 static inline int check_shash_op(const char *op, int err,
1260                                  const char *driver, const char *vec_name,
1261                                  const struct testvec_config *cfg)
1262 {
1263         if (err)
1264                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1265                        driver, op, err, vec_name, cfg->name);
1266         return err;
1267 }
1268
1269 /* Test one hash test vector in one configuration, using the shash API */
1270 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1271                               const char *vec_name,
1272                               const struct testvec_config *cfg,
1273                               struct shash_desc *desc,
1274                               struct test_sglist *tsgl,
1275                               u8 *hashstate)
1276 {
1277         struct crypto_shash *tfm = desc->tfm;
1278         const unsigned int alignmask = crypto_shash_alignmask(tfm);
1279         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1280         const unsigned int statesize = crypto_shash_statesize(tfm);
1281         const char *driver = crypto_shash_driver_name(tfm);
1282         const struct test_sg_division *divs[XBUFSIZE];
1283         unsigned int i;
1284         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1285         int err;
1286
1287         /* Set the key, if specified */
1288         if (vec->ksize) {
1289                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1290                                 cfg, alignmask);
1291                 if (err) {
1292                         if (err == vec->setkey_error)
1293                                 return 0;
1294                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1295                                driver, vec_name, vec->setkey_error, err,
1296                                crypto_shash_get_flags(tfm));
1297                         return err;
1298                 }
1299                 if (vec->setkey_error) {
1300                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1301                                driver, vec_name, vec->setkey_error);
1302                         return -EINVAL;
1303                 }
1304         }
1305
1306         /* Build the scatterlist for the source data */
1307         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1308         if (err) {
1309                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1310                        driver, vec_name, cfg->name);
1311                 return err;
1312         }
1313
1314         /* Do the actual hashing */
1315
1316         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1317         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1318
1319         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1320             vec->digest_error) {
1321                 /* Just using digest() */
1322                 if (tsgl->nents != 1)
1323                         return 0;
1324                 if (cfg->nosimd)
1325                         crypto_disable_simd_for_test();
1326                 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1327                                           tsgl->sgl[0].length, result);
1328                 if (cfg->nosimd)
1329                         crypto_reenable_simd_for_test();
1330                 if (err) {
1331                         if (err == vec->digest_error)
1332                                 return 0;
1333                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1334                                driver, vec_name, vec->digest_error, err,
1335                                cfg->name);
1336                         return err;
1337                 }
1338                 if (vec->digest_error) {
1339                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1340                                driver, vec_name, vec->digest_error, cfg->name);
1341                         return -EINVAL;
1342                 }
1343                 goto result_ready;
1344         }
1345
1346         /* Using init(), zero or more update(), then final() or finup() */
1347
1348         if (cfg->nosimd)
1349                 crypto_disable_simd_for_test();
1350         err = crypto_shash_init(desc);
1351         if (cfg->nosimd)
1352                 crypto_reenable_simd_for_test();
1353         err = check_shash_op("init", err, driver, vec_name, cfg);
1354         if (err)
1355                 return err;
1356
1357         for (i = 0; i < tsgl->nents; i++) {
1358                 if (i + 1 == tsgl->nents &&
1359                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1360                         if (divs[i]->nosimd)
1361                                 crypto_disable_simd_for_test();
1362                         err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1363                                                  tsgl->sgl[i].length, result);
1364                         if (divs[i]->nosimd)
1365                                 crypto_reenable_simd_for_test();
1366                         err = check_shash_op("finup", err, driver, vec_name,
1367                                              cfg);
1368                         if (err)
1369                                 return err;
1370                         goto result_ready;
1371                 }
1372                 if (divs[i]->nosimd)
1373                         crypto_disable_simd_for_test();
1374                 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1375                                           tsgl->sgl[i].length);
1376                 if (divs[i]->nosimd)
1377                         crypto_reenable_simd_for_test();
1378                 err = check_shash_op("update", err, driver, vec_name, cfg);
1379                 if (err)
1380                         return err;
1381                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1382                         /* Test ->export() and ->import() */
1383                         testmgr_poison(hashstate + statesize,
1384                                        TESTMGR_POISON_LEN);
1385                         err = crypto_shash_export(desc, hashstate);
1386                         err = check_shash_op("export", err, driver, vec_name,
1387                                              cfg);
1388                         if (err)
1389                                 return err;
1390                         if (!testmgr_is_poison(hashstate + statesize,
1391                                                TESTMGR_POISON_LEN)) {
1392                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1393                                        driver, vec_name, cfg->name);
1394                                 return -EOVERFLOW;
1395                         }
1396                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1397                         err = crypto_shash_import(desc, hashstate);
1398                         err = check_shash_op("import", err, driver, vec_name,
1399                                              cfg);
1400                         if (err)
1401                                 return err;
1402                 }
1403         }
1404
1405         if (cfg->nosimd)
1406                 crypto_disable_simd_for_test();
1407         err = crypto_shash_final(desc, result);
1408         if (cfg->nosimd)
1409                 crypto_reenable_simd_for_test();
1410         err = check_shash_op("final", err, driver, vec_name, cfg);
1411         if (err)
1412                 return err;
1413 result_ready:
1414         return check_hash_result("shash", result, digestsize, vec, vec_name,
1415                                  driver, cfg);
1416 }
1417
1418 static int do_ahash_op(int (*op)(struct ahash_request *req),
1419                        struct ahash_request *req,
1420                        struct crypto_wait *wait, bool nosimd)
1421 {
1422         int err;
1423
1424         if (nosimd)
1425                 crypto_disable_simd_for_test();
1426
1427         err = op(req);
1428
1429         if (nosimd)
1430                 crypto_reenable_simd_for_test();
1431
1432         return crypto_wait_req(err, wait);
1433 }
1434
1435 static int check_nonfinal_ahash_op(const char *op, int err,
1436                                    u8 *result, unsigned int digestsize,
1437                                    const char *driver, const char *vec_name,
1438                                    const struct testvec_config *cfg)
1439 {
1440         if (err) {
1441                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1442                        driver, op, err, vec_name, cfg->name);
1443                 return err;
1444         }
1445         if (!testmgr_is_poison(result, digestsize)) {
1446                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1447                        driver, op, vec_name, cfg->name);
1448                 return -EINVAL;
1449         }
1450         return 0;
1451 }
1452
1453 /* Test one hash test vector in one configuration, using the ahash API */
1454 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1455                               const char *vec_name,
1456                               const struct testvec_config *cfg,
1457                               struct ahash_request *req,
1458                               struct test_sglist *tsgl,
1459                               u8 *hashstate)
1460 {
1461         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1462         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1463         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1464         const unsigned int statesize = crypto_ahash_statesize(tfm);
1465         const char *driver = crypto_ahash_driver_name(tfm);
1466         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1467         const struct test_sg_division *divs[XBUFSIZE];
1468         DECLARE_CRYPTO_WAIT(wait);
1469         unsigned int i;
1470         struct scatterlist *pending_sgl;
1471         unsigned int pending_len;
1472         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1473         int err;
1474
1475         /* Set the key, if specified */
1476         if (vec->ksize) {
1477                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1478                                 cfg, alignmask);
1479                 if (err) {
1480                         if (err == vec->setkey_error)
1481                                 return 0;
1482                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1483                                driver, vec_name, vec->setkey_error, err,
1484                                crypto_ahash_get_flags(tfm));
1485                         return err;
1486                 }
1487                 if (vec->setkey_error) {
1488                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1489                                driver, vec_name, vec->setkey_error);
1490                         return -EINVAL;
1491                 }
1492         }
1493
1494         /* Build the scatterlist for the source data */
1495         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1496         if (err) {
1497                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1498                        driver, vec_name, cfg->name);
1499                 return err;
1500         }
1501
1502         /* Do the actual hashing */
1503
1504         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1505         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1506
1507         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1508             vec->digest_error) {
1509                 /* Just using digest() */
1510                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1511                                            &wait);
1512                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1513                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1514                 if (err) {
1515                         if (err == vec->digest_error)
1516                                 return 0;
1517                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1518                                driver, vec_name, vec->digest_error, err,
1519                                cfg->name);
1520                         return err;
1521                 }
1522                 if (vec->digest_error) {
1523                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1524                                driver, vec_name, vec->digest_error, cfg->name);
1525                         return -EINVAL;
1526                 }
1527                 goto result_ready;
1528         }
1529
1530         /* Using init(), zero or more update(), then final() or finup() */
1531
1532         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1533         ahash_request_set_crypt(req, NULL, result, 0);
1534         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1535         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1536                                       driver, vec_name, cfg);
1537         if (err)
1538                 return err;
1539
1540         pending_sgl = NULL;
1541         pending_len = 0;
1542         for (i = 0; i < tsgl->nents; i++) {
1543                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1544                     pending_sgl != NULL) {
1545                         /* update() with the pending data */
1546                         ahash_request_set_callback(req, req_flags,
1547                                                    crypto_req_done, &wait);
1548                         ahash_request_set_crypt(req, pending_sgl, result,
1549                                                 pending_len);
1550                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1551                                           divs[i]->nosimd);
1552                         err = check_nonfinal_ahash_op("update", err,
1553                                                       result, digestsize,
1554                                                       driver, vec_name, cfg);
1555                         if (err)
1556                                 return err;
1557                         pending_sgl = NULL;
1558                         pending_len = 0;
1559                 }
1560                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1561                         /* Test ->export() and ->import() */
1562                         testmgr_poison(hashstate + statesize,
1563                                        TESTMGR_POISON_LEN);
1564                         err = crypto_ahash_export(req, hashstate);
1565                         err = check_nonfinal_ahash_op("export", err,
1566                                                       result, digestsize,
1567                                                       driver, vec_name, cfg);
1568                         if (err)
1569                                 return err;
1570                         if (!testmgr_is_poison(hashstate + statesize,
1571                                                TESTMGR_POISON_LEN)) {
1572                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1573                                        driver, vec_name, cfg->name);
1574                                 return -EOVERFLOW;
1575                         }
1576
1577                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1578                         err = crypto_ahash_import(req, hashstate);
1579                         err = check_nonfinal_ahash_op("import", err,
1580                                                       result, digestsize,
1581                                                       driver, vec_name, cfg);
1582                         if (err)
1583                                 return err;
1584                 }
1585                 if (pending_sgl == NULL)
1586                         pending_sgl = &tsgl->sgl[i];
1587                 pending_len += tsgl->sgl[i].length;
1588         }
1589
1590         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1591         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1592         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1593                 /* finish with update() and final() */
1594                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1595                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1596                                               driver, vec_name, cfg);
1597                 if (err)
1598                         return err;
1599                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1600                 if (err) {
1601                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1602                                driver, err, vec_name, cfg->name);
1603                         return err;
1604                 }
1605         } else {
1606                 /* finish with finup() */
1607                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1608                 if (err) {
1609                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1610                                driver, err, vec_name, cfg->name);
1611                         return err;
1612                 }
1613         }
1614
1615 result_ready:
1616         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1617                                  driver, cfg);
1618 }
1619
1620 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1621                              const char *vec_name,
1622                              const struct testvec_config *cfg,
1623                              struct ahash_request *req,
1624                              struct shash_desc *desc,
1625                              struct test_sglist *tsgl,
1626                              u8 *hashstate)
1627 {
1628         int err;
1629
1630         /*
1631          * For algorithms implemented as "shash", most bugs will be detected by
1632          * both the shash and ahash tests.  Test the shash API first so that the
1633          * failures involve less indirection, so are easier to debug.
1634          */
1635
1636         if (desc) {
1637                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1638                                          hashstate);
1639                 if (err)
1640                         return err;
1641         }
1642
1643         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1644 }
1645
1646 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1647                          struct ahash_request *req, struct shash_desc *desc,
1648                          struct test_sglist *tsgl, u8 *hashstate)
1649 {
1650         char vec_name[16];
1651         unsigned int i;
1652         int err;
1653
1654         sprintf(vec_name, "%u", vec_num);
1655
1656         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1657                 err = test_hash_vec_cfg(vec, vec_name,
1658                                         &default_hash_testvec_configs[i],
1659                                         req, desc, tsgl, hashstate);
1660                 if (err)
1661                         return err;
1662         }
1663
1664 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1665         if (!noextratests) {
1666                 struct rnd_state rng;
1667                 struct testvec_config cfg;
1668                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1669
1670                 init_rnd_state(&rng);
1671
1672                 for (i = 0; i < fuzz_iterations; i++) {
1673                         generate_random_testvec_config(&rng, &cfg, cfgname,
1674                                                        sizeof(cfgname));
1675                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1676                                                 req, desc, tsgl, hashstate);
1677                         if (err)
1678                                 return err;
1679                         cond_resched();
1680                 }
1681         }
1682 #endif
1683         return 0;
1684 }
1685
1686 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1687 /*
1688  * Generate a hash test vector from the given implementation.
1689  * Assumes the buffers in 'vec' were already allocated.
1690  */
1691 static void generate_random_hash_testvec(struct rnd_state *rng,
1692                                          struct shash_desc *desc,
1693                                          struct hash_testvec *vec,
1694                                          unsigned int maxkeysize,
1695                                          unsigned int maxdatasize,
1696                                          char *name, size_t max_namelen)
1697 {
1698         /* Data */
1699         vec->psize = generate_random_length(rng, maxdatasize);
1700         generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1701
1702         /*
1703          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1704          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1705          */
1706         vec->setkey_error = 0;
1707         vec->ksize = 0;
1708         if (maxkeysize) {
1709                 vec->ksize = maxkeysize;
1710                 if (prandom_u32_below(rng, 4) == 0)
1711                         vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1712                 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1713
1714                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1715                                                         vec->ksize);
1716                 /* If the key couldn't be set, no need to continue to digest. */
1717                 if (vec->setkey_error)
1718                         goto done;
1719         }
1720
1721         /* Digest */
1722         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1723                                                 vec->psize, (u8 *)vec->digest);
1724 done:
1725         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1726                  vec->psize, vec->ksize);
1727 }
1728
1729 /*
1730  * Test the hash algorithm represented by @req against the corresponding generic
1731  * implementation, if one is available.
1732  */
1733 static int test_hash_vs_generic_impl(const char *generic_driver,
1734                                      unsigned int maxkeysize,
1735                                      struct ahash_request *req,
1736                                      struct shash_desc *desc,
1737                                      struct test_sglist *tsgl,
1738                                      u8 *hashstate)
1739 {
1740         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1741         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1742         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1743         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1744         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1745         const char *driver = crypto_ahash_driver_name(tfm);
1746         struct rnd_state rng;
1747         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1748         struct crypto_shash *generic_tfm = NULL;
1749         struct shash_desc *generic_desc = NULL;
1750         unsigned int i;
1751         struct hash_testvec vec = { 0 };
1752         char vec_name[64];
1753         struct testvec_config *cfg;
1754         char cfgname[TESTVEC_CONFIG_NAMELEN];
1755         int err;
1756
1757         if (noextratests)
1758                 return 0;
1759
1760         init_rnd_state(&rng);
1761
1762         if (!generic_driver) { /* Use default naming convention? */
1763                 err = build_generic_driver_name(algname, _generic_driver);
1764                 if (err)
1765                         return err;
1766                 generic_driver = _generic_driver;
1767         }
1768
1769         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1770                 return 0;
1771
1772         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1773         if (IS_ERR(generic_tfm)) {
1774                 err = PTR_ERR(generic_tfm);
1775                 if (err == -ENOENT) {
1776                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1777                                 driver, generic_driver);
1778                         return 0;
1779                 }
1780                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1781                        generic_driver, algname, err);
1782                 return err;
1783         }
1784
1785         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1786         if (!cfg) {
1787                 err = -ENOMEM;
1788                 goto out;
1789         }
1790
1791         generic_desc = kzalloc(sizeof(*desc) +
1792                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1793         if (!generic_desc) {
1794                 err = -ENOMEM;
1795                 goto out;
1796         }
1797         generic_desc->tfm = generic_tfm;
1798
1799         /* Check the algorithm properties for consistency. */
1800
1801         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1802                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1803                        driver, digestsize,
1804                        crypto_shash_digestsize(generic_tfm));
1805                 err = -EINVAL;
1806                 goto out;
1807         }
1808
1809         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1810                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1811                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1812                 err = -EINVAL;
1813                 goto out;
1814         }
1815
1816         /*
1817          * Now generate test vectors using the generic implementation, and test
1818          * the other implementation against them.
1819          */
1820
1821         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1822         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1823         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1824         if (!vec.key || !vec.plaintext || !vec.digest) {
1825                 err = -ENOMEM;
1826                 goto out;
1827         }
1828
1829         for (i = 0; i < fuzz_iterations * 8; i++) {
1830                 generate_random_hash_testvec(&rng, generic_desc, &vec,
1831                                              maxkeysize, maxdatasize,
1832                                              vec_name, sizeof(vec_name));
1833                 generate_random_testvec_config(&rng, cfg, cfgname,
1834                                                sizeof(cfgname));
1835
1836                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1837                                         req, desc, tsgl, hashstate);
1838                 if (err)
1839                         goto out;
1840                 cond_resched();
1841         }
1842         err = 0;
1843 out:
1844         kfree(cfg);
1845         kfree(vec.key);
1846         kfree(vec.plaintext);
1847         kfree(vec.digest);
1848         crypto_free_shash(generic_tfm);
1849         kfree_sensitive(generic_desc);
1850         return err;
1851 }
1852 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1853 static int test_hash_vs_generic_impl(const char *generic_driver,
1854                                      unsigned int maxkeysize,
1855                                      struct ahash_request *req,
1856                                      struct shash_desc *desc,
1857                                      struct test_sglist *tsgl,
1858                                      u8 *hashstate)
1859 {
1860         return 0;
1861 }
1862 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1863
1864 static int alloc_shash(const char *driver, u32 type, u32 mask,
1865                        struct crypto_shash **tfm_ret,
1866                        struct shash_desc **desc_ret)
1867 {
1868         struct crypto_shash *tfm;
1869         struct shash_desc *desc;
1870
1871         tfm = crypto_alloc_shash(driver, type, mask);
1872         if (IS_ERR(tfm)) {
1873                 if (PTR_ERR(tfm) == -ENOENT) {
1874                         /*
1875                          * This algorithm is only available through the ahash
1876                          * API, not the shash API, so skip the shash tests.
1877                          */
1878                         return 0;
1879                 }
1880                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1881                        driver, PTR_ERR(tfm));
1882                 return PTR_ERR(tfm);
1883         }
1884
1885         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1886         if (!desc) {
1887                 crypto_free_shash(tfm);
1888                 return -ENOMEM;
1889         }
1890         desc->tfm = tfm;
1891
1892         *tfm_ret = tfm;
1893         *desc_ret = desc;
1894         return 0;
1895 }
1896
1897 static int __alg_test_hash(const struct hash_testvec *vecs,
1898                            unsigned int num_vecs, const char *driver,
1899                            u32 type, u32 mask,
1900                            const char *generic_driver, unsigned int maxkeysize)
1901 {
1902         struct crypto_ahash *atfm = NULL;
1903         struct ahash_request *req = NULL;
1904         struct crypto_shash *stfm = NULL;
1905         struct shash_desc *desc = NULL;
1906         struct test_sglist *tsgl = NULL;
1907         u8 *hashstate = NULL;
1908         unsigned int statesize;
1909         unsigned int i;
1910         int err;
1911
1912         /*
1913          * Always test the ahash API.  This works regardless of whether the
1914          * algorithm is implemented as ahash or shash.
1915          */
1916
1917         atfm = crypto_alloc_ahash(driver, type, mask);
1918         if (IS_ERR(atfm)) {
1919                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1920                        driver, PTR_ERR(atfm));
1921                 return PTR_ERR(atfm);
1922         }
1923         driver = crypto_ahash_driver_name(atfm);
1924
1925         req = ahash_request_alloc(atfm, GFP_KERNEL);
1926         if (!req) {
1927                 pr_err("alg: hash: failed to allocate request for %s\n",
1928                        driver);
1929                 err = -ENOMEM;
1930                 goto out;
1931         }
1932
1933         /*
1934          * If available also test the shash API, to cover corner cases that may
1935          * be missed by testing the ahash API only.
1936          */
1937         err = alloc_shash(driver, type, mask, &stfm, &desc);
1938         if (err)
1939                 goto out;
1940
1941         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1942         if (!tsgl || init_test_sglist(tsgl) != 0) {
1943                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1944                        driver);
1945                 kfree(tsgl);
1946                 tsgl = NULL;
1947                 err = -ENOMEM;
1948                 goto out;
1949         }
1950
1951         statesize = crypto_ahash_statesize(atfm);
1952         if (stfm)
1953                 statesize = max(statesize, crypto_shash_statesize(stfm));
1954         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1955         if (!hashstate) {
1956                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1957                        driver);
1958                 err = -ENOMEM;
1959                 goto out;
1960         }
1961
1962         for (i = 0; i < num_vecs; i++) {
1963                 if (fips_enabled && vecs[i].fips_skip)
1964                         continue;
1965
1966                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1967                 if (err)
1968                         goto out;
1969                 cond_resched();
1970         }
1971         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1972                                         desc, tsgl, hashstate);
1973 out:
1974         kfree(hashstate);
1975         if (tsgl) {
1976                 destroy_test_sglist(tsgl);
1977                 kfree(tsgl);
1978         }
1979         kfree(desc);
1980         crypto_free_shash(stfm);
1981         ahash_request_free(req);
1982         crypto_free_ahash(atfm);
1983         return err;
1984 }
1985
1986 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1987                          u32 type, u32 mask)
1988 {
1989         const struct hash_testvec *template = desc->suite.hash.vecs;
1990         unsigned int tcount = desc->suite.hash.count;
1991         unsigned int nr_unkeyed, nr_keyed;
1992         unsigned int maxkeysize = 0;
1993         int err;
1994
1995         /*
1996          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1997          * first, before setting a key on the tfm.  To make this easier, we
1998          * require that the unkeyed test vectors (if any) are listed first.
1999          */
2000
2001         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
2002                 if (template[nr_unkeyed].ksize)
2003                         break;
2004         }
2005         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2006                 if (!template[nr_unkeyed + nr_keyed].ksize) {
2007                         pr_err("alg: hash: test vectors for %s out of order, "
2008                                "unkeyed ones must come first\n", desc->alg);
2009                         return -EINVAL;
2010                 }
2011                 maxkeysize = max_t(unsigned int, maxkeysize,
2012                                    template[nr_unkeyed + nr_keyed].ksize);
2013         }
2014
2015         err = 0;
2016         if (nr_unkeyed) {
2017                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2018                                       desc->generic_driver, maxkeysize);
2019                 template += nr_unkeyed;
2020         }
2021
2022         if (!err && nr_keyed)
2023                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2024                                       desc->generic_driver, maxkeysize);
2025
2026         return err;
2027 }
2028
2029 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2030                              const char *vec_name,
2031                              const struct testvec_config *cfg,
2032                              struct aead_request *req,
2033                              struct cipher_test_sglists *tsgls)
2034 {
2035         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2036         const unsigned int alignmask = crypto_aead_alignmask(tfm);
2037         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2038         const unsigned int authsize = vec->clen - vec->plen;
2039         const char *driver = crypto_aead_driver_name(tfm);
2040         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2041         const char *op = enc ? "encryption" : "decryption";
2042         DECLARE_CRYPTO_WAIT(wait);
2043         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2044         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2045                  cfg->iv_offset +
2046                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2047         struct kvec input[2];
2048         int err;
2049
2050         /* Set the key */
2051         if (vec->wk)
2052                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2053         else
2054                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2055
2056         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2057                         cfg, alignmask);
2058         if (err && err != vec->setkey_error) {
2059                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2060                        driver, vec_name, vec->setkey_error, err,
2061                        crypto_aead_get_flags(tfm));
2062                 return err;
2063         }
2064         if (!err && vec->setkey_error) {
2065                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2066                        driver, vec_name, vec->setkey_error);
2067                 return -EINVAL;
2068         }
2069
2070         /* Set the authentication tag size */
2071         err = crypto_aead_setauthsize(tfm, authsize);
2072         if (err && err != vec->setauthsize_error) {
2073                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2074                        driver, vec_name, vec->setauthsize_error, err);
2075                 return err;
2076         }
2077         if (!err && vec->setauthsize_error) {
2078                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2079                        driver, vec_name, vec->setauthsize_error);
2080                 return -EINVAL;
2081         }
2082
2083         if (vec->setkey_error || vec->setauthsize_error)
2084                 return 0;
2085
2086         /* The IV must be copied to a buffer, as the algorithm may modify it */
2087         if (WARN_ON(ivsize > MAX_IVLEN))
2088                 return -EINVAL;
2089         if (vec->iv)
2090                 memcpy(iv, vec->iv, ivsize);
2091         else
2092                 memset(iv, 0, ivsize);
2093
2094         /* Build the src/dst scatterlists */
2095         input[0].iov_base = (void *)vec->assoc;
2096         input[0].iov_len = vec->alen;
2097         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2098         input[1].iov_len = enc ? vec->plen : vec->clen;
2099         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2100                                         vec->alen + (enc ? vec->plen :
2101                                                      vec->clen),
2102                                         vec->alen + (enc ? vec->clen :
2103                                                      vec->plen),
2104                                         input, 2);
2105         if (err) {
2106                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2107                        driver, op, vec_name, cfg->name);
2108                 return err;
2109         }
2110
2111         /* Do the actual encryption or decryption */
2112         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2113         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2114         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2115                                enc ? vec->plen : vec->clen, iv);
2116         aead_request_set_ad(req, vec->alen);
2117         if (cfg->nosimd)
2118                 crypto_disable_simd_for_test();
2119         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2120         if (cfg->nosimd)
2121                 crypto_reenable_simd_for_test();
2122         err = crypto_wait_req(err, &wait);
2123
2124         /* Check that the algorithm didn't overwrite things it shouldn't have */
2125         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2126             req->assoclen != vec->alen ||
2127             req->iv != iv ||
2128             req->src != tsgls->src.sgl_ptr ||
2129             req->dst != tsgls->dst.sgl_ptr ||
2130             crypto_aead_reqtfm(req) != tfm ||
2131             req->base.complete != crypto_req_done ||
2132             req->base.flags != req_flags ||
2133             req->base.data != &wait) {
2134                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2135                        driver, op, vec_name, cfg->name);
2136                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2137                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2138                 if (req->assoclen != vec->alen)
2139                         pr_err("alg: aead: changed 'req->assoclen'\n");
2140                 if (req->iv != iv)
2141                         pr_err("alg: aead: changed 'req->iv'\n");
2142                 if (req->src != tsgls->src.sgl_ptr)
2143                         pr_err("alg: aead: changed 'req->src'\n");
2144                 if (req->dst != tsgls->dst.sgl_ptr)
2145                         pr_err("alg: aead: changed 'req->dst'\n");
2146                 if (crypto_aead_reqtfm(req) != tfm)
2147                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2148                 if (req->base.complete != crypto_req_done)
2149                         pr_err("alg: aead: changed 'req->base.complete'\n");
2150                 if (req->base.flags != req_flags)
2151                         pr_err("alg: aead: changed 'req->base.flags'\n");
2152                 if (req->base.data != &wait)
2153                         pr_err("alg: aead: changed 'req->base.data'\n");
2154                 return -EINVAL;
2155         }
2156         if (is_test_sglist_corrupted(&tsgls->src)) {
2157                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2158                        driver, op, vec_name, cfg->name);
2159                 return -EINVAL;
2160         }
2161         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2162             is_test_sglist_corrupted(&tsgls->dst)) {
2163                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2164                        driver, op, vec_name, cfg->name);
2165                 return -EINVAL;
2166         }
2167
2168         /* Check for unexpected success or failure, or wrong error code */
2169         if ((err == 0 && vec->novrfy) ||
2170             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2171                 char expected_error[32];
2172
2173                 if (vec->novrfy &&
2174                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2175                         sprintf(expected_error, "-EBADMSG or %d",
2176                                 vec->crypt_error);
2177                 else if (vec->novrfy)
2178                         sprintf(expected_error, "-EBADMSG");
2179                 else
2180                         sprintf(expected_error, "%d", vec->crypt_error);
2181                 if (err) {
2182                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2183                                driver, op, vec_name, expected_error, err,
2184                                cfg->name);
2185                         return err;
2186                 }
2187                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2188                        driver, op, vec_name, expected_error, cfg->name);
2189                 return -EINVAL;
2190         }
2191         if (err) /* Expectedly failed. */
2192                 return 0;
2193
2194         /* Check for the correct output (ciphertext or plaintext) */
2195         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2196                                     enc ? vec->clen : vec->plen,
2197                                     vec->alen,
2198                                     enc || cfg->inplace_mode == OUT_OF_PLACE);
2199         if (err == -EOVERFLOW) {
2200                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2201                        driver, op, vec_name, cfg->name);
2202                 return err;
2203         }
2204         if (err) {
2205                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2206                        driver, op, vec_name, cfg->name);
2207                 return err;
2208         }
2209
2210         return 0;
2211 }
2212
2213 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2214                          unsigned int vec_num, struct aead_request *req,
2215                          struct cipher_test_sglists *tsgls)
2216 {
2217         char vec_name[16];
2218         unsigned int i;
2219         int err;
2220
2221         if (enc && vec->novrfy)
2222                 return 0;
2223
2224         sprintf(vec_name, "%u", vec_num);
2225
2226         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2227                 err = test_aead_vec_cfg(enc, vec, vec_name,
2228                                         &default_cipher_testvec_configs[i],
2229                                         req, tsgls);
2230                 if (err)
2231                         return err;
2232         }
2233
2234 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2235         if (!noextratests) {
2236                 struct rnd_state rng;
2237                 struct testvec_config cfg;
2238                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2239
2240                 init_rnd_state(&rng);
2241
2242                 for (i = 0; i < fuzz_iterations; i++) {
2243                         generate_random_testvec_config(&rng, &cfg, cfgname,
2244                                                        sizeof(cfgname));
2245                         err = test_aead_vec_cfg(enc, vec, vec_name,
2246                                                 &cfg, req, tsgls);
2247                         if (err)
2248                                 return err;
2249                         cond_resched();
2250                 }
2251         }
2252 #endif
2253         return 0;
2254 }
2255
2256 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2257
2258 struct aead_extra_tests_ctx {
2259         struct rnd_state rng;
2260         struct aead_request *req;
2261         struct crypto_aead *tfm;
2262         const struct alg_test_desc *test_desc;
2263         struct cipher_test_sglists *tsgls;
2264         unsigned int maxdatasize;
2265         unsigned int maxkeysize;
2266
2267         struct aead_testvec vec;
2268         char vec_name[64];
2269         char cfgname[TESTVEC_CONFIG_NAMELEN];
2270         struct testvec_config cfg;
2271 };
2272
2273 /*
2274  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2275  * here means the full ciphertext including the authentication tag.  The
2276  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2277  */
2278 static void mutate_aead_message(struct rnd_state *rng,
2279                                 struct aead_testvec *vec, bool aad_iv,
2280                                 unsigned int ivsize)
2281 {
2282         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2283         const unsigned int authsize = vec->clen - vec->plen;
2284
2285         if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2286                  /* Mutate the AAD */
2287                 flip_random_bit(rng, (u8 *)vec->assoc,
2288                                 vec->alen - aad_tail_size);
2289                 if (prandom_bool(rng))
2290                         return;
2291         }
2292         if (prandom_bool(rng)) {
2293                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2294                 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2295         } else {
2296                 /* Mutate any part of the ciphertext */
2297                 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2298         }
2299 }
2300
2301 /*
2302  * Minimum authentication tag size in bytes at which we assume that we can
2303  * reliably generate inauthentic messages, i.e. not generate an authentic
2304  * message by chance.
2305  */
2306 #define MIN_COLLISION_FREE_AUTHSIZE 8
2307
2308 static void generate_aead_message(struct rnd_state *rng,
2309                                   struct aead_request *req,
2310                                   const struct aead_test_suite *suite,
2311                                   struct aead_testvec *vec,
2312                                   bool prefer_inauthentic)
2313 {
2314         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2315         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2316         const unsigned int authsize = vec->clen - vec->plen;
2317         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2318                                  (prefer_inauthentic ||
2319                                   prandom_u32_below(rng, 4) == 0);
2320
2321         /* Generate the AAD. */
2322         generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2323         if (suite->aad_iv && vec->alen >= ivsize)
2324                 /* Avoid implementation-defined behavior. */
2325                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2326
2327         if (inauthentic && prandom_bool(rng)) {
2328                 /* Generate a random ciphertext. */
2329                 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2330         } else {
2331                 int i = 0;
2332                 struct scatterlist src[2], dst;
2333                 u8 iv[MAX_IVLEN];
2334                 DECLARE_CRYPTO_WAIT(wait);
2335
2336                 /* Generate a random plaintext and encrypt it. */
2337                 sg_init_table(src, 2);
2338                 if (vec->alen)
2339                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2340                 if (vec->plen) {
2341                         generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2342                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2343                 }
2344                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2345                 memcpy(iv, vec->iv, ivsize);
2346                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2347                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2348                 aead_request_set_ad(req, vec->alen);
2349                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2350                                                    &wait);
2351                 /* If encryption failed, we're done. */
2352                 if (vec->crypt_error != 0)
2353                         return;
2354                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2355                 if (!inauthentic)
2356                         return;
2357                 /*
2358                  * Mutate the authentic (ciphertext, AAD) pair to get an
2359                  * inauthentic one.
2360                  */
2361                 mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2362         }
2363         vec->novrfy = 1;
2364         if (suite->einval_allowed)
2365                 vec->crypt_error = -EINVAL;
2366 }
2367
2368 /*
2369  * Generate an AEAD test vector 'vec' using the implementation specified by
2370  * 'req'.  The buffers in 'vec' must already be allocated.
2371  *
2372  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2373  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2374  */
2375 static void generate_random_aead_testvec(struct rnd_state *rng,
2376                                          struct aead_request *req,
2377                                          struct aead_testvec *vec,
2378                                          const struct aead_test_suite *suite,
2379                                          unsigned int maxkeysize,
2380                                          unsigned int maxdatasize,
2381                                          char *name, size_t max_namelen,
2382                                          bool prefer_inauthentic)
2383 {
2384         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2385         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2386         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2387         unsigned int authsize;
2388         unsigned int total_len;
2389
2390         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2391         vec->klen = maxkeysize;
2392         if (prandom_u32_below(rng, 4) == 0)
2393                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2394         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2395         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2396
2397         /* IV */
2398         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2399
2400         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2401         authsize = maxauthsize;
2402         if (prandom_u32_below(rng, 4) == 0)
2403                 authsize = prandom_u32_below(rng, maxauthsize + 1);
2404         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2405                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2406         if (WARN_ON(authsize > maxdatasize))
2407                 authsize = maxdatasize;
2408         maxdatasize -= authsize;
2409         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2410
2411         /* AAD, plaintext, and ciphertext lengths */
2412         total_len = generate_random_length(rng, maxdatasize);
2413         if (prandom_u32_below(rng, 4) == 0)
2414                 vec->alen = 0;
2415         else
2416                 vec->alen = generate_random_length(rng, total_len);
2417         vec->plen = total_len - vec->alen;
2418         vec->clen = vec->plen + authsize;
2419
2420         /*
2421          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2422          * key or the authentication tag size couldn't be set.
2423          */
2424         vec->novrfy = 0;
2425         vec->crypt_error = 0;
2426         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2427                 generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2428         snprintf(name, max_namelen,
2429                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2430                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2431 }
2432
2433 static void try_to_generate_inauthentic_testvec(
2434                                         struct aead_extra_tests_ctx *ctx)
2435 {
2436         int i;
2437
2438         for (i = 0; i < 10; i++) {
2439                 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2440                                              &ctx->test_desc->suite.aead,
2441                                              ctx->maxkeysize, ctx->maxdatasize,
2442                                              ctx->vec_name,
2443                                              sizeof(ctx->vec_name), true);
2444                 if (ctx->vec.novrfy)
2445                         return;
2446         }
2447 }
2448
2449 /*
2450  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2451  * result of an encryption with the key) and verify that decryption fails.
2452  */
2453 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2454 {
2455         unsigned int i;
2456         int err;
2457
2458         for (i = 0; i < fuzz_iterations * 8; i++) {
2459                 /*
2460                  * Since this part of the tests isn't comparing the
2461                  * implementation to another, there's no point in testing any
2462                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2463                  *
2464                  * If we're having trouble generating such a test vector, e.g.
2465                  * if the algorithm keeps rejecting the generated keys, don't
2466                  * retry forever; just continue on.
2467                  */
2468                 try_to_generate_inauthentic_testvec(ctx);
2469                 if (ctx->vec.novrfy) {
2470                         generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2471                                                        ctx->cfgname,
2472                                                        sizeof(ctx->cfgname));
2473                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2474                                                 ctx->vec_name, &ctx->cfg,
2475                                                 ctx->req, ctx->tsgls);
2476                         if (err)
2477                                 return err;
2478                 }
2479                 cond_resched();
2480         }
2481         return 0;
2482 }
2483
2484 /*
2485  * Test the AEAD algorithm against the corresponding generic implementation, if
2486  * one is available.
2487  */
2488 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2489 {
2490         struct crypto_aead *tfm = ctx->tfm;
2491         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2492         const char *driver = crypto_aead_driver_name(tfm);
2493         const char *generic_driver = ctx->test_desc->generic_driver;
2494         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2495         struct crypto_aead *generic_tfm = NULL;
2496         struct aead_request *generic_req = NULL;
2497         unsigned int i;
2498         int err;
2499
2500         if (!generic_driver) { /* Use default naming convention? */
2501                 err = build_generic_driver_name(algname, _generic_driver);
2502                 if (err)
2503                         return err;
2504                 generic_driver = _generic_driver;
2505         }
2506
2507         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2508                 return 0;
2509
2510         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2511         if (IS_ERR(generic_tfm)) {
2512                 err = PTR_ERR(generic_tfm);
2513                 if (err == -ENOENT) {
2514                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2515                                 driver, generic_driver);
2516                         return 0;
2517                 }
2518                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2519                        generic_driver, algname, err);
2520                 return err;
2521         }
2522
2523         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2524         if (!generic_req) {
2525                 err = -ENOMEM;
2526                 goto out;
2527         }
2528
2529         /* Check the algorithm properties for consistency. */
2530
2531         if (crypto_aead_maxauthsize(tfm) !=
2532             crypto_aead_maxauthsize(generic_tfm)) {
2533                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2534                        driver, crypto_aead_maxauthsize(tfm),
2535                        crypto_aead_maxauthsize(generic_tfm));
2536                 err = -EINVAL;
2537                 goto out;
2538         }
2539
2540         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2541                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2542                        driver, crypto_aead_ivsize(tfm),
2543                        crypto_aead_ivsize(generic_tfm));
2544                 err = -EINVAL;
2545                 goto out;
2546         }
2547
2548         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2549                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2550                        driver, crypto_aead_blocksize(tfm),
2551                        crypto_aead_blocksize(generic_tfm));
2552                 err = -EINVAL;
2553                 goto out;
2554         }
2555
2556         /*
2557          * Now generate test vectors using the generic implementation, and test
2558          * the other implementation against them.
2559          */
2560         for (i = 0; i < fuzz_iterations * 8; i++) {
2561                 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2562                                              &ctx->test_desc->suite.aead,
2563                                              ctx->maxkeysize, ctx->maxdatasize,
2564                                              ctx->vec_name,
2565                                              sizeof(ctx->vec_name), false);
2566                 generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2567                                                ctx->cfgname,
2568                                                sizeof(ctx->cfgname));
2569                 if (!ctx->vec.novrfy) {
2570                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2571                                                 ctx->vec_name, &ctx->cfg,
2572                                                 ctx->req, ctx->tsgls);
2573                         if (err)
2574                                 goto out;
2575                 }
2576                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2577                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2578                                                 ctx->vec_name, &ctx->cfg,
2579                                                 ctx->req, ctx->tsgls);
2580                         if (err)
2581                                 goto out;
2582                 }
2583                 cond_resched();
2584         }
2585         err = 0;
2586 out:
2587         crypto_free_aead(generic_tfm);
2588         aead_request_free(generic_req);
2589         return err;
2590 }
2591
2592 static int test_aead_extra(const struct alg_test_desc *test_desc,
2593                            struct aead_request *req,
2594                            struct cipher_test_sglists *tsgls)
2595 {
2596         struct aead_extra_tests_ctx *ctx;
2597         unsigned int i;
2598         int err;
2599
2600         if (noextratests)
2601                 return 0;
2602
2603         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2604         if (!ctx)
2605                 return -ENOMEM;
2606         init_rnd_state(&ctx->rng);
2607         ctx->req = req;
2608         ctx->tfm = crypto_aead_reqtfm(req);
2609         ctx->test_desc = test_desc;
2610         ctx->tsgls = tsgls;
2611         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2612         ctx->maxkeysize = 0;
2613         for (i = 0; i < test_desc->suite.aead.count; i++)
2614                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2615                                         test_desc->suite.aead.vecs[i].klen);
2616
2617         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2618         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2619         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2620         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2621         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2622         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2623             !ctx->vec.ptext || !ctx->vec.ctext) {
2624                 err = -ENOMEM;
2625                 goto out;
2626         }
2627
2628         err = test_aead_vs_generic_impl(ctx);
2629         if (err)
2630                 goto out;
2631
2632         err = test_aead_inauthentic_inputs(ctx);
2633 out:
2634         kfree(ctx->vec.key);
2635         kfree(ctx->vec.iv);
2636         kfree(ctx->vec.assoc);
2637         kfree(ctx->vec.ptext);
2638         kfree(ctx->vec.ctext);
2639         kfree(ctx);
2640         return err;
2641 }
2642 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2643 static int test_aead_extra(const struct alg_test_desc *test_desc,
2644                            struct aead_request *req,
2645                            struct cipher_test_sglists *tsgls)
2646 {
2647         return 0;
2648 }
2649 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2650
2651 static int test_aead(int enc, const struct aead_test_suite *suite,
2652                      struct aead_request *req,
2653                      struct cipher_test_sglists *tsgls)
2654 {
2655         unsigned int i;
2656         int err;
2657
2658         for (i = 0; i < suite->count; i++) {
2659                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2660                 if (err)
2661                         return err;
2662                 cond_resched();
2663         }
2664         return 0;
2665 }
2666
2667 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2668                          u32 type, u32 mask)
2669 {
2670         const struct aead_test_suite *suite = &desc->suite.aead;
2671         struct crypto_aead *tfm;
2672         struct aead_request *req = NULL;
2673         struct cipher_test_sglists *tsgls = NULL;
2674         int err;
2675
2676         if (suite->count <= 0) {
2677                 pr_err("alg: aead: empty test suite for %s\n", driver);
2678                 return -EINVAL;
2679         }
2680
2681         tfm = crypto_alloc_aead(driver, type, mask);
2682         if (IS_ERR(tfm)) {
2683                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2684                        driver, PTR_ERR(tfm));
2685                 return PTR_ERR(tfm);
2686         }
2687         driver = crypto_aead_driver_name(tfm);
2688
2689         req = aead_request_alloc(tfm, GFP_KERNEL);
2690         if (!req) {
2691                 pr_err("alg: aead: failed to allocate request for %s\n",
2692                        driver);
2693                 err = -ENOMEM;
2694                 goto out;
2695         }
2696
2697         tsgls = alloc_cipher_test_sglists();
2698         if (!tsgls) {
2699                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2700                        driver);
2701                 err = -ENOMEM;
2702                 goto out;
2703         }
2704
2705         err = test_aead(ENCRYPT, suite, req, tsgls);
2706         if (err)
2707                 goto out;
2708
2709         err = test_aead(DECRYPT, suite, req, tsgls);
2710         if (err)
2711                 goto out;
2712
2713         err = test_aead_extra(desc, req, tsgls);
2714 out:
2715         free_cipher_test_sglists(tsgls);
2716         aead_request_free(req);
2717         crypto_free_aead(tfm);
2718         return err;
2719 }
2720
2721 static int test_cipher(struct crypto_cipher *tfm, int enc,
2722                        const struct cipher_testvec *template,
2723                        unsigned int tcount)
2724 {
2725         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2726         unsigned int i, j, k;
2727         char *q;
2728         const char *e;
2729         const char *input, *result;
2730         void *data;
2731         char *xbuf[XBUFSIZE];
2732         int ret = -ENOMEM;
2733
2734         if (testmgr_alloc_buf(xbuf))
2735                 goto out_nobuf;
2736
2737         if (enc == ENCRYPT)
2738                 e = "encryption";
2739         else
2740                 e = "decryption";
2741
2742         j = 0;
2743         for (i = 0; i < tcount; i++) {
2744
2745                 if (fips_enabled && template[i].fips_skip)
2746                         continue;
2747
2748                 input  = enc ? template[i].ptext : template[i].ctext;
2749                 result = enc ? template[i].ctext : template[i].ptext;
2750                 j++;
2751
2752                 ret = -EINVAL;
2753                 if (WARN_ON(template[i].len > PAGE_SIZE))
2754                         goto out;
2755
2756                 data = xbuf[0];
2757                 memcpy(data, input, template[i].len);
2758
2759                 crypto_cipher_clear_flags(tfm, ~0);
2760                 if (template[i].wk)
2761                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2762
2763                 ret = crypto_cipher_setkey(tfm, template[i].key,
2764                                            template[i].klen);
2765                 if (ret) {
2766                         if (ret == template[i].setkey_error)
2767                                 continue;
2768                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2769                                algo, j, template[i].setkey_error, ret,
2770                                crypto_cipher_get_flags(tfm));
2771                         goto out;
2772                 }
2773                 if (template[i].setkey_error) {
2774                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2775                                algo, j, template[i].setkey_error);
2776                         ret = -EINVAL;
2777                         goto out;
2778                 }
2779
2780                 for (k = 0; k < template[i].len;
2781                      k += crypto_cipher_blocksize(tfm)) {
2782                         if (enc)
2783                                 crypto_cipher_encrypt_one(tfm, data + k,
2784                                                           data + k);
2785                         else
2786                                 crypto_cipher_decrypt_one(tfm, data + k,
2787                                                           data + k);
2788                 }
2789
2790                 q = data;
2791                 if (memcmp(q, result, template[i].len)) {
2792                         printk(KERN_ERR "alg: cipher: Test %d failed "
2793                                "on %s for %s\n", j, e, algo);
2794                         hexdump(q, template[i].len);
2795                         ret = -EINVAL;
2796                         goto out;
2797                 }
2798         }
2799
2800         ret = 0;
2801
2802 out:
2803         testmgr_free_buf(xbuf);
2804 out_nobuf:
2805         return ret;
2806 }
2807
2808 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2809                                  const char *vec_name,
2810                                  const struct testvec_config *cfg,
2811                                  struct skcipher_request *req,
2812                                  struct cipher_test_sglists *tsgls)
2813 {
2814         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2815         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2816         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2817         const char *driver = crypto_skcipher_driver_name(tfm);
2818         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2819         const char *op = enc ? "encryption" : "decryption";
2820         DECLARE_CRYPTO_WAIT(wait);
2821         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2822         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2823                  cfg->iv_offset +
2824                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2825         struct kvec input;
2826         int err;
2827
2828         /* Set the key */
2829         if (vec->wk)
2830                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2831         else
2832                 crypto_skcipher_clear_flags(tfm,
2833                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2834         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2835                         cfg, alignmask);
2836         if (err) {
2837                 if (err == vec->setkey_error)
2838                         return 0;
2839                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2840                        driver, vec_name, vec->setkey_error, err,
2841                        crypto_skcipher_get_flags(tfm));
2842                 return err;
2843         }
2844         if (vec->setkey_error) {
2845                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2846                        driver, vec_name, vec->setkey_error);
2847                 return -EINVAL;
2848         }
2849
2850         /* The IV must be copied to a buffer, as the algorithm may modify it */
2851         if (ivsize) {
2852                 if (WARN_ON(ivsize > MAX_IVLEN))
2853                         return -EINVAL;
2854                 if (vec->generates_iv && !enc)
2855                         memcpy(iv, vec->iv_out, ivsize);
2856                 else if (vec->iv)
2857                         memcpy(iv, vec->iv, ivsize);
2858                 else
2859                         memset(iv, 0, ivsize);
2860         } else {
2861                 if (vec->generates_iv) {
2862                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2863                                driver, vec_name);
2864                         return -EINVAL;
2865                 }
2866                 iv = NULL;
2867         }
2868
2869         /* Build the src/dst scatterlists */
2870         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2871         input.iov_len = vec->len;
2872         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2873                                         vec->len, vec->len, &input, 1);
2874         if (err) {
2875                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2876                        driver, op, vec_name, cfg->name);
2877                 return err;
2878         }
2879
2880         /* Do the actual encryption or decryption */
2881         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2882         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2883         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2884                                    vec->len, iv);
2885         if (cfg->nosimd)
2886                 crypto_disable_simd_for_test();
2887         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2888         if (cfg->nosimd)
2889                 crypto_reenable_simd_for_test();
2890         err = crypto_wait_req(err, &wait);
2891
2892         /* Check that the algorithm didn't overwrite things it shouldn't have */
2893         if (req->cryptlen != vec->len ||
2894             req->iv != iv ||
2895             req->src != tsgls->src.sgl_ptr ||
2896             req->dst != tsgls->dst.sgl_ptr ||
2897             crypto_skcipher_reqtfm(req) != tfm ||
2898             req->base.complete != crypto_req_done ||
2899             req->base.flags != req_flags ||
2900             req->base.data != &wait) {
2901                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2902                        driver, op, vec_name, cfg->name);
2903                 if (req->cryptlen != vec->len)
2904                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2905                 if (req->iv != iv)
2906                         pr_err("alg: skcipher: changed 'req->iv'\n");
2907                 if (req->src != tsgls->src.sgl_ptr)
2908                         pr_err("alg: skcipher: changed 'req->src'\n");
2909                 if (req->dst != tsgls->dst.sgl_ptr)
2910                         pr_err("alg: skcipher: changed 'req->dst'\n");
2911                 if (crypto_skcipher_reqtfm(req) != tfm)
2912                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2913                 if (req->base.complete != crypto_req_done)
2914                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2915                 if (req->base.flags != req_flags)
2916                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2917                 if (req->base.data != &wait)
2918                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2919                 return -EINVAL;
2920         }
2921         if (is_test_sglist_corrupted(&tsgls->src)) {
2922                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2923                        driver, op, vec_name, cfg->name);
2924                 return -EINVAL;
2925         }
2926         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2927             is_test_sglist_corrupted(&tsgls->dst)) {
2928                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2929                        driver, op, vec_name, cfg->name);
2930                 return -EINVAL;
2931         }
2932
2933         /* Check for success or failure */
2934         if (err) {
2935                 if (err == vec->crypt_error)
2936                         return 0;
2937                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2938                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2939                 return err;
2940         }
2941         if (vec->crypt_error) {
2942                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2943                        driver, op, vec_name, vec->crypt_error, cfg->name);
2944                 return -EINVAL;
2945         }
2946
2947         /* Check for the correct output (ciphertext or plaintext) */
2948         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2949                                     vec->len, 0, true);
2950         if (err == -EOVERFLOW) {
2951                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2952                        driver, op, vec_name, cfg->name);
2953                 return err;
2954         }
2955         if (err) {
2956                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2957                        driver, op, vec_name, cfg->name);
2958                 return err;
2959         }
2960
2961         /* If applicable, check that the algorithm generated the correct IV */
2962         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2963                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2964                        driver, op, vec_name, cfg->name);
2965                 hexdump(iv, ivsize);
2966                 return -EINVAL;
2967         }
2968
2969         return 0;
2970 }
2971
2972 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2973                              unsigned int vec_num,
2974                              struct skcipher_request *req,
2975                              struct cipher_test_sglists *tsgls)
2976 {
2977         char vec_name[16];
2978         unsigned int i;
2979         int err;
2980
2981         if (fips_enabled && vec->fips_skip)
2982                 return 0;
2983
2984         sprintf(vec_name, "%u", vec_num);
2985
2986         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2987                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2988                                             &default_cipher_testvec_configs[i],
2989                                             req, tsgls);
2990                 if (err)
2991                         return err;
2992         }
2993
2994 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2995         if (!noextratests) {
2996                 struct rnd_state rng;
2997                 struct testvec_config cfg;
2998                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2999
3000                 init_rnd_state(&rng);
3001
3002                 for (i = 0; i < fuzz_iterations; i++) {
3003                         generate_random_testvec_config(&rng, &cfg, cfgname,
3004                                                        sizeof(cfgname));
3005                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
3006                                                     &cfg, req, tsgls);
3007                         if (err)
3008                                 return err;
3009                         cond_resched();
3010                 }
3011         }
3012 #endif
3013         return 0;
3014 }
3015
3016 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3017 /*
3018  * Generate a symmetric cipher test vector from the given implementation.
3019  * Assumes the buffers in 'vec' were already allocated.
3020  */
3021 static void generate_random_cipher_testvec(struct rnd_state *rng,
3022                                            struct skcipher_request *req,
3023                                            struct cipher_testvec *vec,
3024                                            unsigned int maxdatasize,
3025                                            char *name, size_t max_namelen)
3026 {
3027         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3028         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3029         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3030         struct scatterlist src, dst;
3031         u8 iv[MAX_IVLEN];
3032         DECLARE_CRYPTO_WAIT(wait);
3033
3034         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3035         vec->klen = maxkeysize;
3036         if (prandom_u32_below(rng, 4) == 0)
3037                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3038         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3039         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3040
3041         /* IV */
3042         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3043
3044         /* Plaintext */
3045         vec->len = generate_random_length(rng, maxdatasize);
3046         generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3047
3048         /* If the key couldn't be set, no need to continue to encrypt. */
3049         if (vec->setkey_error)
3050                 goto done;
3051
3052         /* Ciphertext */
3053         sg_init_one(&src, vec->ptext, vec->len);
3054         sg_init_one(&dst, vec->ctext, vec->len);
3055         memcpy(iv, vec->iv, ivsize);
3056         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3057         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3058         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3059         if (vec->crypt_error != 0) {
3060                 /*
3061                  * The only acceptable error here is for an invalid length, so
3062                  * skcipher decryption should fail with the same error too.
3063                  * We'll test for this.  But to keep the API usage well-defined,
3064                  * explicitly initialize the ciphertext buffer too.
3065                  */
3066                 memset((u8 *)vec->ctext, 0, vec->len);
3067         }
3068 done:
3069         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3070                  vec->len, vec->klen);
3071 }
3072
3073 /*
3074  * Test the skcipher algorithm represented by @req against the corresponding
3075  * generic implementation, if one is available.
3076  */
3077 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3078                                          struct skcipher_request *req,
3079                                          struct cipher_test_sglists *tsgls)
3080 {
3081         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3082         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3083         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3084         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3085         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3086         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3087         const char *driver = crypto_skcipher_driver_name(tfm);
3088         struct rnd_state rng;
3089         char _generic_driver[CRYPTO_MAX_ALG_NAME];
3090         struct crypto_skcipher *generic_tfm = NULL;
3091         struct skcipher_request *generic_req = NULL;
3092         unsigned int i;
3093         struct cipher_testvec vec = { 0 };
3094         char vec_name[64];
3095         struct testvec_config *cfg;
3096         char cfgname[TESTVEC_CONFIG_NAMELEN];
3097         int err;
3098
3099         if (noextratests)
3100                 return 0;
3101
3102         /* Keywrap isn't supported here yet as it handles its IV differently. */
3103         if (strncmp(algname, "kw(", 3) == 0)
3104                 return 0;
3105
3106         init_rnd_state(&rng);
3107
3108         if (!generic_driver) { /* Use default naming convention? */
3109                 err = build_generic_driver_name(algname, _generic_driver);
3110                 if (err)
3111                         return err;
3112                 generic_driver = _generic_driver;
3113         }
3114
3115         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3116                 return 0;
3117
3118         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3119         if (IS_ERR(generic_tfm)) {
3120                 err = PTR_ERR(generic_tfm);
3121                 if (err == -ENOENT) {
3122                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3123                                 driver, generic_driver);
3124                         return 0;
3125                 }
3126                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3127                        generic_driver, algname, err);
3128                 return err;
3129         }
3130
3131         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3132         if (!cfg) {
3133                 err = -ENOMEM;
3134                 goto out;
3135         }
3136
3137         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3138         if (!generic_req) {
3139                 err = -ENOMEM;
3140                 goto out;
3141         }
3142
3143         /* Check the algorithm properties for consistency. */
3144
3145         if (crypto_skcipher_min_keysize(tfm) !=
3146             crypto_skcipher_min_keysize(generic_tfm)) {
3147                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3148                        driver, crypto_skcipher_min_keysize(tfm),
3149                        crypto_skcipher_min_keysize(generic_tfm));
3150                 err = -EINVAL;
3151                 goto out;
3152         }
3153
3154         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3155                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3156                        driver, maxkeysize,
3157                        crypto_skcipher_max_keysize(generic_tfm));
3158                 err = -EINVAL;
3159                 goto out;
3160         }
3161
3162         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3163                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3164                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3165                 err = -EINVAL;
3166                 goto out;
3167         }
3168
3169         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3170                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3171                        driver, blocksize,
3172                        crypto_skcipher_blocksize(generic_tfm));
3173                 err = -EINVAL;
3174                 goto out;
3175         }
3176
3177         /*
3178          * Now generate test vectors using the generic implementation, and test
3179          * the other implementation against them.
3180          */
3181
3182         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3183         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3184         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3185         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3186         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3187                 err = -ENOMEM;
3188                 goto out;
3189         }
3190
3191         for (i = 0; i < fuzz_iterations * 8; i++) {
3192                 generate_random_cipher_testvec(&rng, generic_req, &vec,
3193                                                maxdatasize,
3194                                                vec_name, sizeof(vec_name));
3195                 generate_random_testvec_config(&rng, cfg, cfgname,
3196                                                sizeof(cfgname));
3197
3198                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3199                                             cfg, req, tsgls);
3200                 if (err)
3201                         goto out;
3202                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3203                                             cfg, req, tsgls);
3204                 if (err)
3205                         goto out;
3206                 cond_resched();
3207         }
3208         err = 0;
3209 out:
3210         kfree(cfg);
3211         kfree(vec.key);
3212         kfree(vec.iv);
3213         kfree(vec.ptext);
3214         kfree(vec.ctext);
3215         crypto_free_skcipher(generic_tfm);
3216         skcipher_request_free(generic_req);
3217         return err;
3218 }
3219 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3220 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3221                                          struct skcipher_request *req,
3222                                          struct cipher_test_sglists *tsgls)
3223 {
3224         return 0;
3225 }
3226 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3227
3228 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3229                          struct skcipher_request *req,
3230                          struct cipher_test_sglists *tsgls)
3231 {
3232         unsigned int i;
3233         int err;
3234
3235         for (i = 0; i < suite->count; i++) {
3236                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3237                 if (err)
3238                         return err;
3239                 cond_resched();
3240         }
3241         return 0;
3242 }
3243
3244 static int alg_test_skcipher(const struct alg_test_desc *desc,
3245                              const char *driver, u32 type, u32 mask)
3246 {
3247         const struct cipher_test_suite *suite = &desc->suite.cipher;
3248         struct crypto_skcipher *tfm;
3249         struct skcipher_request *req = NULL;
3250         struct cipher_test_sglists *tsgls = NULL;
3251         int err;
3252
3253         if (suite->count <= 0) {
3254                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3255                 return -EINVAL;
3256         }
3257
3258         tfm = crypto_alloc_skcipher(driver, type, mask);
3259         if (IS_ERR(tfm)) {
3260                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3261                        driver, PTR_ERR(tfm));
3262                 return PTR_ERR(tfm);
3263         }
3264         driver = crypto_skcipher_driver_name(tfm);
3265
3266         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3267         if (!req) {
3268                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3269                        driver);
3270                 err = -ENOMEM;
3271                 goto out;
3272         }
3273
3274         tsgls = alloc_cipher_test_sglists();
3275         if (!tsgls) {
3276                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3277                        driver);
3278                 err = -ENOMEM;
3279                 goto out;
3280         }
3281
3282         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3283         if (err)
3284                 goto out;
3285
3286         err = test_skcipher(DECRYPT, suite, req, tsgls);
3287         if (err)
3288                 goto out;
3289
3290         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3291 out:
3292         free_cipher_test_sglists(tsgls);
3293         skcipher_request_free(req);
3294         crypto_free_skcipher(tfm);
3295         return err;
3296 }
3297
3298 static int test_comp(struct crypto_comp *tfm,
3299                      const struct comp_testvec *ctemplate,
3300                      const struct comp_testvec *dtemplate,
3301                      int ctcount, int dtcount)
3302 {
3303         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3304         char *output, *decomp_output;
3305         unsigned int i;
3306         int ret;
3307
3308         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3309         if (!output)
3310                 return -ENOMEM;
3311
3312         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3313         if (!decomp_output) {
3314                 kfree(output);
3315                 return -ENOMEM;
3316         }
3317
3318         for (i = 0; i < ctcount; i++) {
3319                 int ilen;
3320                 unsigned int dlen = COMP_BUF_SIZE;
3321
3322                 memset(output, 0, COMP_BUF_SIZE);
3323                 memset(decomp_output, 0, COMP_BUF_SIZE);
3324
3325                 ilen = ctemplate[i].inlen;
3326                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3327                                            ilen, output, &dlen);
3328                 if (ret) {
3329                         printk(KERN_ERR "alg: comp: compression failed "
3330                                "on test %d for %s: ret=%d\n", i + 1, algo,
3331                                -ret);
3332                         goto out;
3333                 }
3334
3335                 ilen = dlen;
3336                 dlen = COMP_BUF_SIZE;
3337                 ret = crypto_comp_decompress(tfm, output,
3338                                              ilen, decomp_output, &dlen);
3339                 if (ret) {
3340                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3341                                i + 1, algo, -ret);
3342                         goto out;
3343                 }
3344
3345                 if (dlen != ctemplate[i].inlen) {
3346                         printk(KERN_ERR "alg: comp: Compression test %d "
3347                                "failed for %s: output len = %d\n", i + 1, algo,
3348                                dlen);
3349                         ret = -EINVAL;
3350                         goto out;
3351                 }
3352
3353                 if (memcmp(decomp_output, ctemplate[i].input,
3354                            ctemplate[i].inlen)) {
3355                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3356                                i + 1, algo);
3357                         hexdump(decomp_output, dlen);
3358                         ret = -EINVAL;
3359                         goto out;
3360                 }
3361         }
3362
3363         for (i = 0; i < dtcount; i++) {
3364                 int ilen;
3365                 unsigned int dlen = COMP_BUF_SIZE;
3366
3367                 memset(decomp_output, 0, COMP_BUF_SIZE);
3368
3369                 ilen = dtemplate[i].inlen;
3370                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3371                                              ilen, decomp_output, &dlen);
3372                 if (ret) {
3373                         printk(KERN_ERR "alg: comp: decompression failed "
3374                                "on test %d for %s: ret=%d\n", i + 1, algo,
3375                                -ret);
3376                         goto out;
3377                 }
3378
3379                 if (dlen != dtemplate[i].outlen) {
3380                         printk(KERN_ERR "alg: comp: Decompression test %d "
3381                                "failed for %s: output len = %d\n", i + 1, algo,
3382                                dlen);
3383                         ret = -EINVAL;
3384                         goto out;
3385                 }
3386
3387                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3388                         printk(KERN_ERR "alg: comp: Decompression test %d "
3389                                "failed for %s\n", i + 1, algo);
3390                         hexdump(decomp_output, dlen);
3391                         ret = -EINVAL;
3392                         goto out;
3393                 }
3394         }
3395
3396         ret = 0;
3397
3398 out:
3399         kfree(decomp_output);
3400         kfree(output);
3401         return ret;
3402 }
3403
3404 static int test_acomp(struct crypto_acomp *tfm,
3405                       const struct comp_testvec *ctemplate,
3406                       const struct comp_testvec *dtemplate,
3407                       int ctcount, int dtcount)
3408 {
3409         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3410         unsigned int i;
3411         char *output, *decomp_out;
3412         int ret;
3413         struct scatterlist src, dst;
3414         struct acomp_req *req;
3415         struct crypto_wait wait;
3416
3417         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3418         if (!output)
3419                 return -ENOMEM;
3420
3421         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3422         if (!decomp_out) {
3423                 kfree(output);
3424                 return -ENOMEM;
3425         }
3426
3427         for (i = 0; i < ctcount; i++) {
3428                 unsigned int dlen = COMP_BUF_SIZE;
3429                 int ilen = ctemplate[i].inlen;
3430                 void *input_vec;
3431
3432                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3433                 if (!input_vec) {
3434                         ret = -ENOMEM;
3435                         goto out;
3436                 }
3437
3438                 memset(output, 0, dlen);
3439                 crypto_init_wait(&wait);
3440                 sg_init_one(&src, input_vec, ilen);
3441                 sg_init_one(&dst, output, dlen);
3442
3443                 req = acomp_request_alloc(tfm);
3444                 if (!req) {
3445                         pr_err("alg: acomp: request alloc failed for %s\n",
3446                                algo);
3447                         kfree(input_vec);
3448                         ret = -ENOMEM;
3449                         goto out;
3450                 }
3451
3452                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3453                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3454                                            crypto_req_done, &wait);
3455
3456                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3457                 if (ret) {
3458                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3459                                i + 1, algo, -ret);
3460                         kfree(input_vec);
3461                         acomp_request_free(req);
3462                         goto out;
3463                 }
3464
3465                 ilen = req->dlen;
3466                 dlen = COMP_BUF_SIZE;
3467                 sg_init_one(&src, output, ilen);
3468                 sg_init_one(&dst, decomp_out, dlen);
3469                 crypto_init_wait(&wait);
3470                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3471
3472                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3473                 if (ret) {
3474                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3475                                i + 1, algo, -ret);
3476                         kfree(input_vec);
3477                         acomp_request_free(req);
3478                         goto out;
3479                 }
3480
3481                 if (req->dlen != ctemplate[i].inlen) {
3482                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3483                                i + 1, algo, req->dlen);
3484                         ret = -EINVAL;
3485                         kfree(input_vec);
3486                         acomp_request_free(req);
3487                         goto out;
3488                 }
3489
3490                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3491                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3492                                i + 1, algo);
3493                         hexdump(output, req->dlen);
3494                         ret = -EINVAL;
3495                         kfree(input_vec);
3496                         acomp_request_free(req);
3497                         goto out;
3498                 }
3499
3500 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3501                 crypto_init_wait(&wait);
3502                 sg_init_one(&src, input_vec, ilen);
3503                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3504
3505                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3506                 if (ret) {
3507                         pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3508                                i + 1, algo, -ret);
3509                         kfree(input_vec);
3510                         acomp_request_free(req);
3511                         goto out;
3512                 }
3513 #endif
3514
3515                 kfree(input_vec);
3516                 acomp_request_free(req);
3517         }
3518
3519         for (i = 0; i < dtcount; i++) {
3520                 unsigned int dlen = COMP_BUF_SIZE;
3521                 int ilen = dtemplate[i].inlen;
3522                 void *input_vec;
3523
3524                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3525                 if (!input_vec) {
3526                         ret = -ENOMEM;
3527                         goto out;
3528                 }
3529
3530                 memset(output, 0, dlen);
3531                 crypto_init_wait(&wait);
3532                 sg_init_one(&src, input_vec, ilen);
3533                 sg_init_one(&dst, output, dlen);
3534
3535                 req = acomp_request_alloc(tfm);
3536                 if (!req) {
3537                         pr_err("alg: acomp: request alloc failed for %s\n",
3538                                algo);
3539                         kfree(input_vec);
3540                         ret = -ENOMEM;
3541                         goto out;
3542                 }
3543
3544                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3545                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3546                                            crypto_req_done, &wait);
3547
3548                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3549                 if (ret) {
3550                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3551                                i + 1, algo, -ret);
3552                         kfree(input_vec);
3553                         acomp_request_free(req);
3554                         goto out;
3555                 }
3556
3557                 if (req->dlen != dtemplate[i].outlen) {
3558                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3559                                i + 1, algo, req->dlen);
3560                         ret = -EINVAL;
3561                         kfree(input_vec);
3562                         acomp_request_free(req);
3563                         goto out;
3564                 }
3565
3566                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3567                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3568                                i + 1, algo);
3569                         hexdump(output, req->dlen);
3570                         ret = -EINVAL;
3571                         kfree(input_vec);
3572                         acomp_request_free(req);
3573                         goto out;
3574                 }
3575
3576 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3577                 crypto_init_wait(&wait);
3578                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3579
3580                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3581                 if (ret) {
3582                         pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3583                                i + 1, algo, -ret);
3584                         kfree(input_vec);
3585                         acomp_request_free(req);
3586                         goto out;
3587                 }
3588 #endif
3589
3590                 kfree(input_vec);
3591                 acomp_request_free(req);
3592         }
3593
3594         ret = 0;
3595
3596 out:
3597         kfree(decomp_out);
3598         kfree(output);
3599         return ret;
3600 }
3601
3602 static int test_cprng(struct crypto_rng *tfm,
3603                       const struct cprng_testvec *template,
3604                       unsigned int tcount)
3605 {
3606         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3607         int err = 0, i, j, seedsize;
3608         u8 *seed;
3609         char result[32];
3610
3611         seedsize = crypto_rng_seedsize(tfm);
3612
3613         seed = kmalloc(seedsize, GFP_KERNEL);
3614         if (!seed) {
3615                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3616                        "for %s\n", algo);
3617                 return -ENOMEM;
3618         }
3619
3620         for (i = 0; i < tcount; i++) {
3621                 memset(result, 0, 32);
3622
3623                 memcpy(seed, template[i].v, template[i].vlen);
3624                 memcpy(seed + template[i].vlen, template[i].key,
3625                        template[i].klen);
3626                 memcpy(seed + template[i].vlen + template[i].klen,
3627                        template[i].dt, template[i].dtlen);
3628
3629                 err = crypto_rng_reset(tfm, seed, seedsize);
3630                 if (err) {
3631                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3632                                "for %s\n", algo);
3633                         goto out;
3634                 }
3635
3636                 for (j = 0; j < template[i].loops; j++) {
3637                         err = crypto_rng_get_bytes(tfm, result,
3638                                                    template[i].rlen);
3639                         if (err < 0) {
3640                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3641                                        "the correct amount of random data for "
3642                                        "%s (requested %d)\n", algo,
3643                                        template[i].rlen);
3644                                 goto out;
3645                         }
3646                 }
3647
3648                 err = memcmp(result, template[i].result,
3649                              template[i].rlen);
3650                 if (err) {
3651                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3652                                i, algo);
3653                         hexdump(result, template[i].rlen);
3654                         err = -EINVAL;
3655                         goto out;
3656                 }
3657         }
3658
3659 out:
3660         kfree(seed);
3661         return err;
3662 }
3663
3664 static int alg_test_cipher(const struct alg_test_desc *desc,
3665                            const char *driver, u32 type, u32 mask)
3666 {
3667         const struct cipher_test_suite *suite = &desc->suite.cipher;
3668         struct crypto_cipher *tfm;
3669         int err;
3670
3671         tfm = crypto_alloc_cipher(driver, type, mask);
3672         if (IS_ERR(tfm)) {
3673                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3674                        "%s: %ld\n", driver, PTR_ERR(tfm));
3675                 return PTR_ERR(tfm);
3676         }
3677
3678         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3679         if (!err)
3680                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3681
3682         crypto_free_cipher(tfm);
3683         return err;
3684 }
3685
3686 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3687                          u32 type, u32 mask)
3688 {
3689         struct crypto_comp *comp;
3690         struct crypto_acomp *acomp;
3691         int err;
3692         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3693
3694         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3695                 acomp = crypto_alloc_acomp(driver, type, mask);
3696                 if (IS_ERR(acomp)) {
3697                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3698                                driver, PTR_ERR(acomp));
3699                         return PTR_ERR(acomp);
3700                 }
3701                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3702                                  desc->suite.comp.decomp.vecs,
3703                                  desc->suite.comp.comp.count,
3704                                  desc->suite.comp.decomp.count);
3705                 crypto_free_acomp(acomp);
3706         } else {
3707                 comp = crypto_alloc_comp(driver, type, mask);
3708                 if (IS_ERR(comp)) {
3709                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3710                                driver, PTR_ERR(comp));
3711                         return PTR_ERR(comp);
3712                 }
3713
3714                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3715                                 desc->suite.comp.decomp.vecs,
3716                                 desc->suite.comp.comp.count,
3717                                 desc->suite.comp.decomp.count);
3718
3719                 crypto_free_comp(comp);
3720         }
3721         return err;
3722 }
3723
3724 static int alg_test_crc32c(const struct alg_test_desc *desc,
3725                            const char *driver, u32 type, u32 mask)
3726 {
3727         struct crypto_shash *tfm;
3728         __le32 val;
3729         int err;
3730
3731         err = alg_test_hash(desc, driver, type, mask);
3732         if (err)
3733                 return err;
3734
3735         tfm = crypto_alloc_shash(driver, type, mask);
3736         if (IS_ERR(tfm)) {
3737                 if (PTR_ERR(tfm) == -ENOENT) {
3738                         /*
3739                          * This crc32c implementation is only available through
3740                          * ahash API, not the shash API, so the remaining part
3741                          * of the test is not applicable to it.
3742                          */
3743                         return 0;
3744                 }
3745                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3746                        "%ld\n", driver, PTR_ERR(tfm));
3747                 return PTR_ERR(tfm);
3748         }
3749         driver = crypto_shash_driver_name(tfm);
3750
3751         do {
3752                 SHASH_DESC_ON_STACK(shash, tfm);
3753                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3754
3755                 shash->tfm = tfm;
3756
3757                 *ctx = 420553207;
3758                 err = crypto_shash_final(shash, (u8 *)&val);
3759                 if (err) {
3760                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3761                                "%s: %d\n", driver, err);
3762                         break;
3763                 }
3764
3765                 if (val != cpu_to_le32(~420553207)) {
3766                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3767                                driver, le32_to_cpu(val));
3768                         err = -EINVAL;
3769                 }
3770         } while (0);
3771
3772         crypto_free_shash(tfm);
3773
3774         return err;
3775 }
3776
3777 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3778                           u32 type, u32 mask)
3779 {
3780         struct crypto_rng *rng;
3781         int err;
3782
3783         rng = crypto_alloc_rng(driver, type, mask);
3784         if (IS_ERR(rng)) {
3785                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3786                        "%ld\n", driver, PTR_ERR(rng));
3787                 return PTR_ERR(rng);
3788         }
3789
3790         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3791
3792         crypto_free_rng(rng);
3793
3794         return err;
3795 }
3796
3797
3798 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3799                           const char *driver, u32 type, u32 mask)
3800 {
3801         int ret = -EAGAIN;
3802         struct crypto_rng *drng;
3803         struct drbg_test_data test_data;
3804         struct drbg_string addtl, pers, testentropy;
3805         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3806
3807         if (!buf)
3808                 return -ENOMEM;
3809
3810         drng = crypto_alloc_rng(driver, type, mask);
3811         if (IS_ERR(drng)) {
3812                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3813                        "%s\n", driver);
3814                 kfree_sensitive(buf);
3815                 return -ENOMEM;
3816         }
3817
3818         test_data.testentropy = &testentropy;
3819         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3820         drbg_string_fill(&pers, test->pers, test->perslen);
3821         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3822         if (ret) {
3823                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3824                 goto outbuf;
3825         }
3826
3827         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3828         if (pr) {
3829                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3830                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3831                         buf, test->expectedlen, &addtl, &test_data);
3832         } else {
3833                 ret = crypto_drbg_get_bytes_addtl(drng,
3834                         buf, test->expectedlen, &addtl);
3835         }
3836         if (ret < 0) {
3837                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3838                        "driver %s\n", driver);
3839                 goto outbuf;
3840         }
3841
3842         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3843         if (pr) {
3844                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3845                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3846                         buf, test->expectedlen, &addtl, &test_data);
3847         } else {
3848                 ret = crypto_drbg_get_bytes_addtl(drng,
3849                         buf, test->expectedlen, &addtl);
3850         }
3851         if (ret < 0) {
3852                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3853                        "driver %s\n", driver);
3854                 goto outbuf;
3855         }
3856
3857         ret = memcmp(test->expected, buf, test->expectedlen);
3858
3859 outbuf:
3860         crypto_free_rng(drng);
3861         kfree_sensitive(buf);
3862         return ret;
3863 }
3864
3865
3866 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3867                          u32 type, u32 mask)
3868 {
3869         int err = 0;
3870         int pr = 0;
3871         int i = 0;
3872         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3873         unsigned int tcount = desc->suite.drbg.count;
3874
3875         if (0 == memcmp(driver, "drbg_pr_", 8))
3876                 pr = 1;
3877
3878         for (i = 0; i < tcount; i++) {
3879                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3880                 if (err) {
3881                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3882                                i, driver);
3883                         err = -EINVAL;
3884                         break;
3885                 }
3886         }
3887         return err;
3888
3889 }
3890
3891 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3892                        const char *alg)
3893 {
3894         struct kpp_request *req;
3895         void *input_buf = NULL;
3896         void *output_buf = NULL;
3897         void *a_public = NULL;
3898         void *a_ss = NULL;
3899         void *shared_secret = NULL;
3900         struct crypto_wait wait;
3901         unsigned int out_len_max;
3902         int err = -ENOMEM;
3903         struct scatterlist src, dst;
3904
3905         req = kpp_request_alloc(tfm, GFP_KERNEL);
3906         if (!req)
3907                 return err;
3908
3909         crypto_init_wait(&wait);
3910
3911         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3912         if (err < 0)
3913                 goto free_req;
3914
3915         out_len_max = crypto_kpp_maxsize(tfm);
3916         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3917         if (!output_buf) {
3918                 err = -ENOMEM;
3919                 goto free_req;
3920         }
3921
3922         /* Use appropriate parameter as base */
3923         kpp_request_set_input(req, NULL, 0);
3924         sg_init_one(&dst, output_buf, out_len_max);
3925         kpp_request_set_output(req, &dst, out_len_max);
3926         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3927                                  crypto_req_done, &wait);
3928
3929         /* Compute party A's public key */
3930         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3931         if (err) {
3932                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3933                        alg, err);
3934                 goto free_output;
3935         }
3936
3937         if (vec->genkey) {
3938                 /* Save party A's public key */
3939                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3940                 if (!a_public) {
3941                         err = -ENOMEM;
3942                         goto free_output;
3943                 }
3944         } else {
3945                 /* Verify calculated public key */
3946                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3947                            vec->expected_a_public_size)) {
3948                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3949                                alg);
3950                         err = -EINVAL;
3951                         goto free_output;
3952                 }
3953         }
3954
3955         /* Calculate shared secret key by using counter part (b) public key. */
3956         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3957         if (!input_buf) {
3958                 err = -ENOMEM;
3959                 goto free_output;
3960         }
3961
3962         sg_init_one(&src, input_buf, vec->b_public_size);
3963         sg_init_one(&dst, output_buf, out_len_max);
3964         kpp_request_set_input(req, &src, vec->b_public_size);
3965         kpp_request_set_output(req, &dst, out_len_max);
3966         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3967                                  crypto_req_done, &wait);
3968         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3969         if (err) {
3970                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3971                        alg, err);
3972                 goto free_all;
3973         }
3974
3975         if (vec->genkey) {
3976                 /* Save the shared secret obtained by party A */
3977                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3978                 if (!a_ss) {
3979                         err = -ENOMEM;
3980                         goto free_all;
3981                 }
3982
3983                 /*
3984                  * Calculate party B's shared secret by using party A's
3985                  * public key.
3986                  */
3987                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3988                                             vec->b_secret_size);
3989                 if (err < 0)
3990                         goto free_all;
3991
3992                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3993                 sg_init_one(&dst, output_buf, out_len_max);
3994                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3995                 kpp_request_set_output(req, &dst, out_len_max);
3996                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3997                                          crypto_req_done, &wait);
3998                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3999                                       &wait);
4000                 if (err) {
4001                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
4002                                alg, err);
4003                         goto free_all;
4004                 }
4005
4006                 shared_secret = a_ss;
4007         } else {
4008                 shared_secret = (void *)vec->expected_ss;
4009         }
4010
4011         /*
4012          * verify shared secret from which the user will derive
4013          * secret key by executing whatever hash it has chosen
4014          */
4015         if (memcmp(shared_secret, sg_virt(req->dst),
4016                    vec->expected_ss_size)) {
4017                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4018                        alg);
4019                 err = -EINVAL;
4020         }
4021
4022 free_all:
4023         kfree(a_ss);
4024         kfree(input_buf);
4025 free_output:
4026         kfree(a_public);
4027         kfree(output_buf);
4028 free_req:
4029         kpp_request_free(req);
4030         return err;
4031 }
4032
4033 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4034                     const struct kpp_testvec *vecs, unsigned int tcount)
4035 {
4036         int ret, i;
4037
4038         for (i = 0; i < tcount; i++) {
4039                 ret = do_test_kpp(tfm, vecs++, alg);
4040                 if (ret) {
4041                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
4042                                alg, i + 1, ret);
4043                         return ret;
4044                 }
4045         }
4046         return 0;
4047 }
4048
4049 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4050                         u32 type, u32 mask)
4051 {
4052         struct crypto_kpp *tfm;
4053         int err = 0;
4054
4055         tfm = crypto_alloc_kpp(driver, type, mask);
4056         if (IS_ERR(tfm)) {
4057                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4058                        driver, PTR_ERR(tfm));
4059                 return PTR_ERR(tfm);
4060         }
4061         if (desc->suite.kpp.vecs)
4062                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4063                                desc->suite.kpp.count);
4064
4065         crypto_free_kpp(tfm);
4066         return err;
4067 }
4068
4069 static u8 *test_pack_u32(u8 *dst, u32 val)
4070 {
4071         memcpy(dst, &val, sizeof(val));
4072         return dst + sizeof(val);
4073 }
4074
4075 static int test_akcipher_one(struct crypto_akcipher *tfm,
4076                              const struct akcipher_testvec *vecs)
4077 {
4078         char *xbuf[XBUFSIZE];
4079         struct akcipher_request *req;
4080         void *outbuf_enc = NULL;
4081         void *outbuf_dec = NULL;
4082         struct crypto_wait wait;
4083         unsigned int out_len_max, out_len = 0;
4084         int err = -ENOMEM;
4085         struct scatterlist src, dst, src_tab[3];
4086         const char *m, *c;
4087         unsigned int m_size, c_size;
4088         const char *op;
4089         u8 *key, *ptr;
4090
4091         if (testmgr_alloc_buf(xbuf))
4092                 return err;
4093
4094         req = akcipher_request_alloc(tfm, GFP_KERNEL);
4095         if (!req)
4096                 goto free_xbuf;
4097
4098         crypto_init_wait(&wait);
4099
4100         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4101                       GFP_KERNEL);
4102         if (!key)
4103                 goto free_req;
4104         memcpy(key, vecs->key, vecs->key_len);
4105         ptr = key + vecs->key_len;
4106         ptr = test_pack_u32(ptr, vecs->algo);
4107         ptr = test_pack_u32(ptr, vecs->param_len);
4108         memcpy(ptr, vecs->params, vecs->param_len);
4109
4110         if (vecs->public_key_vec)
4111                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4112         else
4113                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4114         if (err)
4115                 goto free_key;
4116
4117         /*
4118          * First run test which do not require a private key, such as
4119          * encrypt or verify.
4120          */
4121         err = -ENOMEM;
4122         out_len_max = crypto_akcipher_maxsize(tfm);
4123         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4124         if (!outbuf_enc)
4125                 goto free_key;
4126
4127         if (!vecs->siggen_sigver_test) {
4128                 m = vecs->m;
4129                 m_size = vecs->m_size;
4130                 c = vecs->c;
4131                 c_size = vecs->c_size;
4132                 op = "encrypt";
4133         } else {
4134                 /* Swap args so we could keep plaintext (digest)
4135                  * in vecs->m, and cooked signature in vecs->c.
4136                  */
4137                 m = vecs->c; /* signature */
4138                 m_size = vecs->c_size;
4139                 c = vecs->m; /* digest */
4140                 c_size = vecs->m_size;
4141                 op = "verify";
4142         }
4143
4144         err = -E2BIG;
4145         if (WARN_ON(m_size > PAGE_SIZE))
4146                 goto free_all;
4147         memcpy(xbuf[0], m, m_size);
4148
4149         sg_init_table(src_tab, 3);
4150         sg_set_buf(&src_tab[0], xbuf[0], 8);
4151         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4152         if (vecs->siggen_sigver_test) {
4153                 if (WARN_ON(c_size > PAGE_SIZE))
4154                         goto free_all;
4155                 memcpy(xbuf[1], c, c_size);
4156                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4157                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4158         } else {
4159                 sg_init_one(&dst, outbuf_enc, out_len_max);
4160                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4161                                            out_len_max);
4162         }
4163         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4164                                       crypto_req_done, &wait);
4165
4166         err = crypto_wait_req(vecs->siggen_sigver_test ?
4167                               /* Run asymmetric signature verification */
4168                               crypto_akcipher_verify(req) :
4169                               /* Run asymmetric encrypt */
4170                               crypto_akcipher_encrypt(req), &wait);
4171         if (err) {
4172                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4173                 goto free_all;
4174         }
4175         if (!vecs->siggen_sigver_test && c) {
4176                 if (req->dst_len != c_size) {
4177                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4178                                op);
4179                         err = -EINVAL;
4180                         goto free_all;
4181                 }
4182                 /* verify that encrypted message is equal to expected */
4183                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4184                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4185                                op);
4186                         hexdump(outbuf_enc, c_size);
4187                         err = -EINVAL;
4188                         goto free_all;
4189                 }
4190         }
4191
4192         /*
4193          * Don't invoke (decrypt or sign) test which require a private key
4194          * for vectors with only a public key.
4195          */
4196         if (vecs->public_key_vec) {
4197                 err = 0;
4198                 goto free_all;
4199         }
4200         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4201         if (!outbuf_dec) {
4202                 err = -ENOMEM;
4203                 goto free_all;
4204         }
4205
4206         if (!vecs->siggen_sigver_test && !c) {
4207                 c = outbuf_enc;
4208                 c_size = req->dst_len;
4209         }
4210
4211         err = -E2BIG;
4212         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4213         if (WARN_ON(c_size > PAGE_SIZE))
4214                 goto free_all;
4215         memcpy(xbuf[0], c, c_size);
4216
4217         sg_init_one(&src, xbuf[0], c_size);
4218         sg_init_one(&dst, outbuf_dec, out_len_max);
4219         crypto_init_wait(&wait);
4220         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4221
4222         err = crypto_wait_req(vecs->siggen_sigver_test ?
4223                               /* Run asymmetric signature generation */
4224                               crypto_akcipher_sign(req) :
4225                               /* Run asymmetric decrypt */
4226                               crypto_akcipher_decrypt(req), &wait);
4227         if (err) {
4228                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4229                 goto free_all;
4230         }
4231         out_len = req->dst_len;
4232         if (out_len < m_size) {
4233                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4234                        op, out_len);
4235                 err = -EINVAL;
4236                 goto free_all;
4237         }
4238         /* verify that decrypted message is equal to the original msg */
4239         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4240             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4241                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4242                 hexdump(outbuf_dec, out_len);
4243                 err = -EINVAL;
4244         }
4245 free_all:
4246         kfree(outbuf_dec);
4247         kfree(outbuf_enc);
4248 free_key:
4249         kfree(key);
4250 free_req:
4251         akcipher_request_free(req);
4252 free_xbuf:
4253         testmgr_free_buf(xbuf);
4254         return err;
4255 }
4256
4257 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4258                          const struct akcipher_testvec *vecs,
4259                          unsigned int tcount)
4260 {
4261         const char *algo =
4262                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4263         int ret, i;
4264
4265         for (i = 0; i < tcount; i++) {
4266                 ret = test_akcipher_one(tfm, vecs++);
4267                 if (!ret)
4268                         continue;
4269
4270                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4271                        i + 1, algo, ret);
4272                 return ret;
4273         }
4274         return 0;
4275 }
4276
4277 static int alg_test_akcipher(const struct alg_test_desc *desc,
4278                              const char *driver, u32 type, u32 mask)
4279 {
4280         struct crypto_akcipher *tfm;
4281         int err = 0;
4282
4283         tfm = crypto_alloc_akcipher(driver, type, mask);
4284         if (IS_ERR(tfm)) {
4285                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4286                        driver, PTR_ERR(tfm));
4287                 return PTR_ERR(tfm);
4288         }
4289         if (desc->suite.akcipher.vecs)
4290                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4291                                     desc->suite.akcipher.count);
4292
4293         crypto_free_akcipher(tfm);
4294         return err;
4295 }
4296
4297 static int alg_test_null(const struct alg_test_desc *desc,
4298                              const char *driver, u32 type, u32 mask)
4299 {
4300         return 0;
4301 }
4302
4303 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4304 #define __VECS(tv)      { ____VECS(tv) }
4305
4306 /* Please keep this list sorted by algorithm name. */
4307 static const struct alg_test_desc alg_test_descs[] = {
4308         {
4309                 .alg = "adiantum(xchacha12,aes)",
4310                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4311                 .test = alg_test_skcipher,
4312                 .suite = {
4313                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4314                 },
4315         }, {
4316                 .alg = "adiantum(xchacha20,aes)",
4317                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4318                 .test = alg_test_skcipher,
4319                 .suite = {
4320                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4321                 },
4322         }, {
4323                 .alg = "aegis128",
4324                 .test = alg_test_aead,
4325                 .suite = {
4326                         .aead = __VECS(aegis128_tv_template)
4327                 }
4328         }, {
4329                 .alg = "ansi_cprng",
4330                 .test = alg_test_cprng,
4331                 .suite = {
4332                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4333                 }
4334         }, {
4335                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4336                 .test = alg_test_aead,
4337                 .suite = {
4338                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4339                 }
4340         }, {
4341                 .alg = "authenc(hmac(sha1),cbc(aes))",
4342                 .test = alg_test_aead,
4343                 .fips_allowed = 1,
4344                 .suite = {
4345                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4346                 }
4347         }, {
4348                 .alg = "authenc(hmac(sha1),cbc(des))",
4349                 .test = alg_test_aead,
4350                 .suite = {
4351                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4352                 }
4353         }, {
4354                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4355                 .test = alg_test_aead,
4356                 .suite = {
4357                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4358                 }
4359         }, {
4360                 .alg = "authenc(hmac(sha1),ctr(aes))",
4361                 .test = alg_test_null,
4362                 .fips_allowed = 1,
4363         }, {
4364                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4365                 .test = alg_test_aead,
4366                 .suite = {
4367                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4368                 }
4369         }, {
4370                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4371                 .test = alg_test_null,
4372                 .fips_allowed = 1,
4373         }, {
4374                 .alg = "authenc(hmac(sha224),cbc(des))",
4375                 .test = alg_test_aead,
4376                 .suite = {
4377                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4378                 }
4379         }, {
4380                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4381                 .test = alg_test_aead,
4382                 .suite = {
4383                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4384                 }
4385         }, {
4386                 .alg = "authenc(hmac(sha256),cbc(aes))",
4387                 .test = alg_test_aead,
4388                 .fips_allowed = 1,
4389                 .suite = {
4390                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4391                 }
4392         }, {
4393                 .alg = "authenc(hmac(sha256),cbc(des))",
4394                 .test = alg_test_aead,
4395                 .suite = {
4396                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4397                 }
4398         }, {
4399                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4400                 .test = alg_test_aead,
4401                 .suite = {
4402                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4403                 }
4404         }, {
4405                 .alg = "authenc(hmac(sha256),ctr(aes))",
4406                 .test = alg_test_null,
4407                 .fips_allowed = 1,
4408         }, {
4409                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4410                 .test = alg_test_null,
4411                 .fips_allowed = 1,
4412         }, {
4413                 .alg = "authenc(hmac(sha384),cbc(des))",
4414                 .test = alg_test_aead,
4415                 .suite = {
4416                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4417                 }
4418         }, {
4419                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4420                 .test = alg_test_aead,
4421                 .suite = {
4422                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4423                 }
4424         }, {
4425                 .alg = "authenc(hmac(sha384),ctr(aes))",
4426                 .test = alg_test_null,
4427                 .fips_allowed = 1,
4428         }, {
4429                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4430                 .test = alg_test_null,
4431                 .fips_allowed = 1,
4432         }, {
4433                 .alg = "authenc(hmac(sha512),cbc(aes))",
4434                 .fips_allowed = 1,
4435                 .test = alg_test_aead,
4436                 .suite = {
4437                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4438                 }
4439         }, {
4440                 .alg = "authenc(hmac(sha512),cbc(des))",
4441                 .test = alg_test_aead,
4442                 .suite = {
4443                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4444                 }
4445         }, {
4446                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4447                 .test = alg_test_aead,
4448                 .suite = {
4449                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4450                 }
4451         }, {
4452                 .alg = "authenc(hmac(sha512),ctr(aes))",
4453                 .test = alg_test_null,
4454                 .fips_allowed = 1,
4455         }, {
4456                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4457                 .test = alg_test_null,
4458                 .fips_allowed = 1,
4459         }, {
4460                 .alg = "blake2b-160",
4461                 .test = alg_test_hash,
4462                 .fips_allowed = 0,
4463                 .suite = {
4464                         .hash = __VECS(blake2b_160_tv_template)
4465                 }
4466         }, {
4467                 .alg = "blake2b-256",
4468                 .test = alg_test_hash,
4469                 .fips_allowed = 0,
4470                 .suite = {
4471                         .hash = __VECS(blake2b_256_tv_template)
4472                 }
4473         }, {
4474                 .alg = "blake2b-384",
4475                 .test = alg_test_hash,
4476                 .fips_allowed = 0,
4477                 .suite = {
4478                         .hash = __VECS(blake2b_384_tv_template)
4479                 }
4480         }, {
4481                 .alg = "blake2b-512",
4482                 .test = alg_test_hash,
4483                 .fips_allowed = 0,
4484                 .suite = {
4485                         .hash = __VECS(blake2b_512_tv_template)
4486                 }
4487         }, {
4488                 .alg = "cbc(aes)",
4489                 .test = alg_test_skcipher,
4490                 .fips_allowed = 1,
4491                 .suite = {
4492                         .cipher = __VECS(aes_cbc_tv_template)
4493                 },
4494         }, {
4495                 .alg = "cbc(anubis)",
4496                 .test = alg_test_skcipher,
4497                 .suite = {
4498                         .cipher = __VECS(anubis_cbc_tv_template)
4499                 },
4500         }, {
4501                 .alg = "cbc(aria)",
4502                 .test = alg_test_skcipher,
4503                 .suite = {
4504                         .cipher = __VECS(aria_cbc_tv_template)
4505                 },
4506         }, {
4507                 .alg = "cbc(blowfish)",
4508                 .test = alg_test_skcipher,
4509                 .suite = {
4510                         .cipher = __VECS(bf_cbc_tv_template)
4511                 },
4512         }, {
4513                 .alg = "cbc(camellia)",
4514                 .test = alg_test_skcipher,
4515                 .suite = {
4516                         .cipher = __VECS(camellia_cbc_tv_template)
4517                 },
4518         }, {
4519                 .alg = "cbc(cast5)",
4520                 .test = alg_test_skcipher,
4521                 .suite = {
4522                         .cipher = __VECS(cast5_cbc_tv_template)
4523                 },
4524         }, {
4525                 .alg = "cbc(cast6)",
4526                 .test = alg_test_skcipher,
4527                 .suite = {
4528                         .cipher = __VECS(cast6_cbc_tv_template)
4529                 },
4530         }, {
4531                 .alg = "cbc(des)",
4532                 .test = alg_test_skcipher,
4533                 .suite = {
4534                         .cipher = __VECS(des_cbc_tv_template)
4535                 },
4536         }, {
4537                 .alg = "cbc(des3_ede)",
4538                 .test = alg_test_skcipher,
4539                 .suite = {
4540                         .cipher = __VECS(des3_ede_cbc_tv_template)
4541                 },
4542         }, {
4543                 /* Same as cbc(aes) except the key is stored in
4544                  * hardware secure memory which we reference by index
4545                  */
4546                 .alg = "cbc(paes)",
4547                 .test = alg_test_null,
4548                 .fips_allowed = 1,
4549         }, {
4550                 /* Same as cbc(sm4) except the key is stored in
4551                  * hardware secure memory which we reference by index
4552                  */
4553                 .alg = "cbc(psm4)",
4554                 .test = alg_test_null,
4555         }, {
4556                 .alg = "cbc(serpent)",
4557                 .test = alg_test_skcipher,
4558                 .suite = {
4559                         .cipher = __VECS(serpent_cbc_tv_template)
4560                 },
4561         }, {
4562                 .alg = "cbc(sm4)",
4563                 .test = alg_test_skcipher,
4564                 .suite = {
4565                         .cipher = __VECS(sm4_cbc_tv_template)
4566                 }
4567         }, {
4568                 .alg = "cbc(twofish)",
4569                 .test = alg_test_skcipher,
4570                 .suite = {
4571                         .cipher = __VECS(tf_cbc_tv_template)
4572                 },
4573         }, {
4574 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4575                 .alg = "cbc-paes-s390",
4576                 .fips_allowed = 1,
4577                 .test = alg_test_skcipher,
4578                 .suite = {
4579                         .cipher = __VECS(aes_cbc_tv_template)
4580                 }
4581         }, {
4582 #endif
4583                 .alg = "cbcmac(aes)",
4584                 .test = alg_test_hash,
4585                 .suite = {
4586                         .hash = __VECS(aes_cbcmac_tv_template)
4587                 }
4588         }, {
4589                 .alg = "cbcmac(sm4)",
4590                 .test = alg_test_hash,
4591                 .suite = {
4592                         .hash = __VECS(sm4_cbcmac_tv_template)
4593                 }
4594         }, {
4595                 .alg = "ccm(aes)",
4596                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4597                 .test = alg_test_aead,
4598                 .fips_allowed = 1,
4599                 .suite = {
4600                         .aead = {
4601                                 ____VECS(aes_ccm_tv_template),
4602                                 .einval_allowed = 1,
4603                         }
4604                 }
4605         }, {
4606                 .alg = "ccm(sm4)",
4607                 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4608                 .test = alg_test_aead,
4609                 .suite = {
4610                         .aead = {
4611                                 ____VECS(sm4_ccm_tv_template),
4612                                 .einval_allowed = 1,
4613                         }
4614                 }
4615         }, {
4616                 .alg = "cfb(aes)",
4617                 .test = alg_test_skcipher,
4618                 .fips_allowed = 1,
4619                 .suite = {
4620                         .cipher = __VECS(aes_cfb_tv_template)
4621                 },
4622         }, {
4623                 .alg = "cfb(aria)",
4624                 .test = alg_test_skcipher,
4625                 .suite = {
4626                         .cipher = __VECS(aria_cfb_tv_template)
4627                 },
4628         }, {
4629                 .alg = "cfb(sm4)",
4630                 .test = alg_test_skcipher,
4631                 .suite = {
4632                         .cipher = __VECS(sm4_cfb_tv_template)
4633                 }
4634         }, {
4635                 .alg = "chacha20",
4636                 .test = alg_test_skcipher,
4637                 .suite = {
4638                         .cipher = __VECS(chacha20_tv_template)
4639                 },
4640         }, {
4641                 .alg = "cmac(aes)",
4642                 .fips_allowed = 1,
4643                 .test = alg_test_hash,
4644                 .suite = {
4645                         .hash = __VECS(aes_cmac128_tv_template)
4646                 }
4647         }, {
4648                 .alg = "cmac(camellia)",
4649                 .test = alg_test_hash,
4650                 .suite = {
4651                         .hash = __VECS(camellia_cmac128_tv_template)
4652                 }
4653         }, {
4654                 .alg = "cmac(des3_ede)",
4655                 .test = alg_test_hash,
4656                 .suite = {
4657                         .hash = __VECS(des3_ede_cmac64_tv_template)
4658                 }
4659         }, {
4660                 .alg = "cmac(sm4)",
4661                 .test = alg_test_hash,
4662                 .suite = {
4663                         .hash = __VECS(sm4_cmac128_tv_template)
4664                 }
4665         }, {
4666                 .alg = "compress_null",
4667                 .test = alg_test_null,
4668         }, {
4669                 .alg = "crc32",
4670                 .test = alg_test_hash,
4671                 .fips_allowed = 1,
4672                 .suite = {
4673                         .hash = __VECS(crc32_tv_template)
4674                 }
4675         }, {
4676                 .alg = "crc32c",
4677                 .test = alg_test_crc32c,
4678                 .fips_allowed = 1,
4679                 .suite = {
4680                         .hash = __VECS(crc32c_tv_template)
4681                 }
4682         }, {
4683                 .alg = "crc64-rocksoft",
4684                 .test = alg_test_hash,
4685                 .fips_allowed = 1,
4686                 .suite = {
4687                         .hash = __VECS(crc64_rocksoft_tv_template)
4688                 }
4689         }, {
4690                 .alg = "crct10dif",
4691                 .test = alg_test_hash,
4692                 .fips_allowed = 1,
4693                 .suite = {
4694                         .hash = __VECS(crct10dif_tv_template)
4695                 }
4696         }, {
4697                 .alg = "ctr(aes)",
4698                 .test = alg_test_skcipher,
4699                 .fips_allowed = 1,
4700                 .suite = {
4701                         .cipher = __VECS(aes_ctr_tv_template)
4702                 }
4703         }, {
4704                 .alg = "ctr(aria)",
4705                 .test = alg_test_skcipher,
4706                 .suite = {
4707                         .cipher = __VECS(aria_ctr_tv_template)
4708                 }
4709         }, {
4710                 .alg = "ctr(blowfish)",
4711                 .test = alg_test_skcipher,
4712                 .suite = {
4713                         .cipher = __VECS(bf_ctr_tv_template)
4714                 }
4715         }, {
4716                 .alg = "ctr(camellia)",
4717                 .test = alg_test_skcipher,
4718                 .suite = {
4719                         .cipher = __VECS(camellia_ctr_tv_template)
4720                 }
4721         }, {
4722                 .alg = "ctr(cast5)",
4723                 .test = alg_test_skcipher,
4724                 .suite = {
4725                         .cipher = __VECS(cast5_ctr_tv_template)
4726                 }
4727         }, {
4728                 .alg = "ctr(cast6)",
4729                 .test = alg_test_skcipher,
4730                 .suite = {
4731                         .cipher = __VECS(cast6_ctr_tv_template)
4732                 }
4733         }, {
4734                 .alg = "ctr(des)",
4735                 .test = alg_test_skcipher,
4736                 .suite = {
4737                         .cipher = __VECS(des_ctr_tv_template)
4738                 }
4739         }, {
4740                 .alg = "ctr(des3_ede)",
4741                 .test = alg_test_skcipher,
4742                 .suite = {
4743                         .cipher = __VECS(des3_ede_ctr_tv_template)
4744                 }
4745         }, {
4746                 /* Same as ctr(aes) except the key is stored in
4747                  * hardware secure memory which we reference by index
4748                  */
4749                 .alg = "ctr(paes)",
4750                 .test = alg_test_null,
4751                 .fips_allowed = 1,
4752         }, {
4753
4754                 /* Same as ctr(sm4) except the key is stored in
4755                  * hardware secure memory which we reference by index
4756                  */
4757                 .alg = "ctr(psm4)",
4758                 .test = alg_test_null,
4759         }, {
4760                 .alg = "ctr(serpent)",
4761                 .test = alg_test_skcipher,
4762                 .suite = {
4763                         .cipher = __VECS(serpent_ctr_tv_template)
4764                 }
4765         }, {
4766                 .alg = "ctr(sm4)",
4767                 .test = alg_test_skcipher,
4768                 .suite = {
4769                         .cipher = __VECS(sm4_ctr_tv_template)
4770                 }
4771         }, {
4772                 .alg = "ctr(twofish)",
4773                 .test = alg_test_skcipher,
4774                 .suite = {
4775                         .cipher = __VECS(tf_ctr_tv_template)
4776                 }
4777         }, {
4778 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4779                 .alg = "ctr-paes-s390",
4780                 .fips_allowed = 1,
4781                 .test = alg_test_skcipher,
4782                 .suite = {
4783                         .cipher = __VECS(aes_ctr_tv_template)
4784                 }
4785         }, {
4786 #endif
4787                 .alg = "cts(cbc(aes))",
4788                 .test = alg_test_skcipher,
4789                 .fips_allowed = 1,
4790                 .suite = {
4791                         .cipher = __VECS(cts_mode_tv_template)
4792                 }
4793         }, {
4794                 /* Same as cts(cbc((aes)) except the key is stored in
4795                  * hardware secure memory which we reference by index
4796                  */
4797                 .alg = "cts(cbc(paes))",
4798                 .test = alg_test_null,
4799                 .fips_allowed = 1,
4800         }, {
4801                 .alg = "cts(cbc(sm4))",
4802                 .test = alg_test_skcipher,
4803                 .suite = {
4804                         .cipher = __VECS(sm4_cts_tv_template)
4805                 }
4806         }, {
4807                 .alg = "curve25519",
4808                 .test = alg_test_kpp,
4809                 .suite = {
4810                         .kpp = __VECS(curve25519_tv_template)
4811                 }
4812         }, {
4813                 .alg = "deflate",
4814                 .test = alg_test_comp,
4815                 .fips_allowed = 1,
4816                 .suite = {
4817                         .comp = {
4818                                 .comp = __VECS(deflate_comp_tv_template),
4819                                 .decomp = __VECS(deflate_decomp_tv_template)
4820                         }
4821                 }
4822         }, {
4823                 .alg = "dh",
4824                 .test = alg_test_kpp,
4825                 .suite = {
4826                         .kpp = __VECS(dh_tv_template)
4827                 }
4828         }, {
4829                 .alg = "digest_null",
4830                 .test = alg_test_null,
4831         }, {
4832                 .alg = "drbg_nopr_ctr_aes128",
4833                 .test = alg_test_drbg,
4834                 .fips_allowed = 1,
4835                 .suite = {
4836                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4837                 }
4838         }, {
4839                 .alg = "drbg_nopr_ctr_aes192",
4840                 .test = alg_test_drbg,
4841                 .fips_allowed = 1,
4842                 .suite = {
4843                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4844                 }
4845         }, {
4846                 .alg = "drbg_nopr_ctr_aes256",
4847                 .test = alg_test_drbg,
4848                 .fips_allowed = 1,
4849                 .suite = {
4850                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4851                 }
4852         }, {
4853                 /*
4854                  * There is no need to specifically test the DRBG with every
4855                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4856                  */
4857                 .alg = "drbg_nopr_hmac_sha1",
4858                 .fips_allowed = 1,
4859                 .test = alg_test_null,
4860         }, {
4861                 .alg = "drbg_nopr_hmac_sha256",
4862                 .test = alg_test_drbg,
4863                 .fips_allowed = 1,
4864                 .suite = {
4865                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4866                 }
4867         }, {
4868                 /* covered by drbg_nopr_hmac_sha256 test */
4869                 .alg = "drbg_nopr_hmac_sha384",
4870                 .test = alg_test_null,
4871         }, {
4872                 .alg = "drbg_nopr_hmac_sha512",
4873                 .test = alg_test_drbg,
4874                 .fips_allowed = 1,
4875                 .suite = {
4876                         .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4877                 }
4878         }, {
4879                 .alg = "drbg_nopr_sha1",
4880                 .fips_allowed = 1,
4881                 .test = alg_test_null,
4882         }, {
4883                 .alg = "drbg_nopr_sha256",
4884                 .test = alg_test_drbg,
4885                 .fips_allowed = 1,
4886                 .suite = {
4887                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4888                 }
4889         }, {
4890                 /* covered by drbg_nopr_sha256 test */
4891                 .alg = "drbg_nopr_sha384",
4892                 .test = alg_test_null,
4893         }, {
4894                 .alg = "drbg_nopr_sha512",
4895                 .fips_allowed = 1,
4896                 .test = alg_test_null,
4897         }, {
4898                 .alg = "drbg_pr_ctr_aes128",
4899                 .test = alg_test_drbg,
4900                 .fips_allowed = 1,
4901                 .suite = {
4902                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4903                 }
4904         }, {
4905                 /* covered by drbg_pr_ctr_aes128 test */
4906                 .alg = "drbg_pr_ctr_aes192",
4907                 .fips_allowed = 1,
4908                 .test = alg_test_null,
4909         }, {
4910                 .alg = "drbg_pr_ctr_aes256",
4911                 .fips_allowed = 1,
4912                 .test = alg_test_null,
4913         }, {
4914                 .alg = "drbg_pr_hmac_sha1",
4915                 .fips_allowed = 1,
4916                 .test = alg_test_null,
4917         }, {
4918                 .alg = "drbg_pr_hmac_sha256",
4919                 .test = alg_test_drbg,
4920                 .fips_allowed = 1,
4921                 .suite = {
4922                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4923                 }
4924         }, {
4925                 /* covered by drbg_pr_hmac_sha256 test */
4926                 .alg = "drbg_pr_hmac_sha384",
4927                 .test = alg_test_null,
4928         }, {
4929                 .alg = "drbg_pr_hmac_sha512",
4930                 .test = alg_test_null,
4931                 .fips_allowed = 1,
4932         }, {
4933                 .alg = "drbg_pr_sha1",
4934                 .fips_allowed = 1,
4935                 .test = alg_test_null,
4936         }, {
4937                 .alg = "drbg_pr_sha256",
4938                 .test = alg_test_drbg,
4939                 .fips_allowed = 1,
4940                 .suite = {
4941                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4942                 }
4943         }, {
4944                 /* covered by drbg_pr_sha256 test */
4945                 .alg = "drbg_pr_sha384",
4946                 .test = alg_test_null,
4947         }, {
4948                 .alg = "drbg_pr_sha512",
4949                 .fips_allowed = 1,
4950                 .test = alg_test_null,
4951         }, {
4952                 .alg = "ecb(aes)",
4953                 .test = alg_test_skcipher,
4954                 .fips_allowed = 1,
4955                 .suite = {
4956                         .cipher = __VECS(aes_tv_template)
4957                 }
4958         }, {
4959                 .alg = "ecb(anubis)",
4960                 .test = alg_test_skcipher,
4961                 .suite = {
4962                         .cipher = __VECS(anubis_tv_template)
4963                 }
4964         }, {
4965                 .alg = "ecb(arc4)",
4966                 .generic_driver = "ecb(arc4)-generic",
4967                 .test = alg_test_skcipher,
4968                 .suite = {
4969                         .cipher = __VECS(arc4_tv_template)
4970                 }
4971         }, {
4972                 .alg = "ecb(aria)",
4973                 .test = alg_test_skcipher,
4974                 .suite = {
4975                         .cipher = __VECS(aria_tv_template)
4976                 }
4977         }, {
4978                 .alg = "ecb(blowfish)",
4979                 .test = alg_test_skcipher,
4980                 .suite = {
4981                         .cipher = __VECS(bf_tv_template)
4982                 }
4983         }, {
4984                 .alg = "ecb(camellia)",
4985                 .test = alg_test_skcipher,
4986                 .suite = {
4987                         .cipher = __VECS(camellia_tv_template)
4988                 }
4989         }, {
4990                 .alg = "ecb(cast5)",
4991                 .test = alg_test_skcipher,
4992                 .suite = {
4993                         .cipher = __VECS(cast5_tv_template)
4994                 }
4995         }, {
4996                 .alg = "ecb(cast6)",
4997                 .test = alg_test_skcipher,
4998                 .suite = {
4999                         .cipher = __VECS(cast6_tv_template)
5000                 }
5001         }, {
5002                 .alg = "ecb(cipher_null)",
5003                 .test = alg_test_null,
5004                 .fips_allowed = 1,
5005         }, {
5006                 .alg = "ecb(des)",
5007                 .test = alg_test_skcipher,
5008                 .suite = {
5009                         .cipher = __VECS(des_tv_template)
5010                 }
5011         }, {
5012                 .alg = "ecb(des3_ede)",
5013                 .test = alg_test_skcipher,
5014                 .suite = {
5015                         .cipher = __VECS(des3_ede_tv_template)
5016                 }
5017         }, {
5018                 .alg = "ecb(fcrypt)",
5019                 .test = alg_test_skcipher,
5020                 .suite = {
5021                         .cipher = {
5022                                 .vecs = fcrypt_pcbc_tv_template,
5023                                 .count = 1
5024                         }
5025                 }
5026         }, {
5027                 .alg = "ecb(khazad)",
5028                 .test = alg_test_skcipher,
5029                 .suite = {
5030                         .cipher = __VECS(khazad_tv_template)
5031                 }
5032         }, {
5033                 /* Same as ecb(aes) except the key is stored in
5034                  * hardware secure memory which we reference by index
5035                  */
5036                 .alg = "ecb(paes)",
5037                 .test = alg_test_null,
5038                 .fips_allowed = 1,
5039         }, {
5040                 .alg = "ecb(seed)",
5041                 .test = alg_test_skcipher,
5042                 .suite = {
5043                         .cipher = __VECS(seed_tv_template)
5044                 }
5045         }, {
5046                 .alg = "ecb(serpent)",
5047                 .test = alg_test_skcipher,
5048                 .suite = {
5049                         .cipher = __VECS(serpent_tv_template)
5050                 }
5051         }, {
5052                 .alg = "ecb(sm4)",
5053                 .test = alg_test_skcipher,
5054                 .suite = {
5055                         .cipher = __VECS(sm4_tv_template)
5056                 }
5057         }, {
5058                 .alg = "ecb(tea)",
5059                 .test = alg_test_skcipher,
5060                 .suite = {
5061                         .cipher = __VECS(tea_tv_template)
5062                 }
5063         }, {
5064                 .alg = "ecb(twofish)",
5065                 .test = alg_test_skcipher,
5066                 .suite = {
5067                         .cipher = __VECS(tf_tv_template)
5068                 }
5069         }, {
5070                 .alg = "ecb(xeta)",
5071                 .test = alg_test_skcipher,
5072                 .suite = {
5073                         .cipher = __VECS(xeta_tv_template)
5074                 }
5075         }, {
5076                 .alg = "ecb(xtea)",
5077                 .test = alg_test_skcipher,
5078                 .suite = {
5079                         .cipher = __VECS(xtea_tv_template)
5080                 }
5081         }, {
5082 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5083                 .alg = "ecb-paes-s390",
5084                 .fips_allowed = 1,
5085                 .test = alg_test_skcipher,
5086                 .suite = {
5087                         .cipher = __VECS(aes_tv_template)
5088                 }
5089         }, {
5090 #endif
5091                 .alg = "ecdh-nist-p192",
5092                 .test = alg_test_kpp,
5093                 .suite = {
5094                         .kpp = __VECS(ecdh_p192_tv_template)
5095                 }
5096         }, {
5097                 .alg = "ecdh-nist-p256",
5098                 .test = alg_test_kpp,
5099                 .fips_allowed = 1,
5100                 .suite = {
5101                         .kpp = __VECS(ecdh_p256_tv_template)
5102                 }
5103         }, {
5104                 .alg = "ecdh-nist-p384",
5105                 .test = alg_test_kpp,
5106                 .fips_allowed = 1,
5107                 .suite = {
5108                         .kpp = __VECS(ecdh_p384_tv_template)
5109                 }
5110         }, {
5111                 .alg = "ecdsa-nist-p192",
5112                 .test = alg_test_akcipher,
5113                 .suite = {
5114                         .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5115                 }
5116         }, {
5117                 .alg = "ecdsa-nist-p256",
5118                 .test = alg_test_akcipher,
5119                 .fips_allowed = 1,
5120                 .suite = {
5121                         .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5122                 }
5123         }, {
5124                 .alg = "ecdsa-nist-p384",
5125                 .test = alg_test_akcipher,
5126                 .fips_allowed = 1,
5127                 .suite = {
5128                         .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5129                 }
5130         }, {
5131                 .alg = "ecrdsa",
5132                 .test = alg_test_akcipher,
5133                 .suite = {
5134                         .akcipher = __VECS(ecrdsa_tv_template)
5135                 }
5136         }, {
5137                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5138                 .test = alg_test_aead,
5139                 .fips_allowed = 1,
5140                 .suite = {
5141                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5142                 }
5143         }, {
5144                 .alg = "essiv(cbc(aes),sha256)",
5145                 .test = alg_test_skcipher,
5146                 .fips_allowed = 1,
5147                 .suite = {
5148                         .cipher = __VECS(essiv_aes_cbc_tv_template)
5149                 }
5150         }, {
5151 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5152                 .alg = "ffdhe2048(dh)",
5153                 .test = alg_test_kpp,
5154                 .fips_allowed = 1,
5155                 .suite = {
5156                         .kpp = __VECS(ffdhe2048_dh_tv_template)
5157                 }
5158         }, {
5159                 .alg = "ffdhe3072(dh)",
5160                 .test = alg_test_kpp,
5161                 .fips_allowed = 1,
5162                 .suite = {
5163                         .kpp = __VECS(ffdhe3072_dh_tv_template)
5164                 }
5165         }, {
5166                 .alg = "ffdhe4096(dh)",
5167                 .test = alg_test_kpp,
5168                 .fips_allowed = 1,
5169                 .suite = {
5170                         .kpp = __VECS(ffdhe4096_dh_tv_template)
5171                 }
5172         }, {
5173                 .alg = "ffdhe6144(dh)",
5174                 .test = alg_test_kpp,
5175                 .fips_allowed = 1,
5176                 .suite = {
5177                         .kpp = __VECS(ffdhe6144_dh_tv_template)
5178                 }
5179         }, {
5180                 .alg = "ffdhe8192(dh)",
5181                 .test = alg_test_kpp,
5182                 .fips_allowed = 1,
5183                 .suite = {
5184                         .kpp = __VECS(ffdhe8192_dh_tv_template)
5185                 }
5186         }, {
5187 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5188                 .alg = "gcm(aes)",
5189                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5190                 .test = alg_test_aead,
5191                 .fips_allowed = 1,
5192                 .suite = {
5193                         .aead = __VECS(aes_gcm_tv_template)
5194                 }
5195         }, {
5196                 .alg = "gcm(aria)",
5197                 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5198                 .test = alg_test_aead,
5199                 .suite = {
5200                         .aead = __VECS(aria_gcm_tv_template)
5201                 }
5202         }, {
5203                 .alg = "gcm(sm4)",
5204                 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5205                 .test = alg_test_aead,
5206                 .suite = {
5207                         .aead = __VECS(sm4_gcm_tv_template)
5208                 }
5209         }, {
5210                 .alg = "ghash",
5211                 .test = alg_test_hash,
5212                 .suite = {
5213                         .hash = __VECS(ghash_tv_template)
5214                 }
5215         }, {
5216                 .alg = "hctr2(aes)",
5217                 .generic_driver =
5218                     "hctr2_base(xctr(aes-generic),polyval-generic)",
5219                 .test = alg_test_skcipher,
5220                 .suite = {
5221                         .cipher = __VECS(aes_hctr2_tv_template)
5222                 }
5223         }, {
5224                 .alg = "hmac(md5)",
5225                 .test = alg_test_hash,
5226                 .suite = {
5227                         .hash = __VECS(hmac_md5_tv_template)
5228                 }
5229         }, {
5230                 .alg = "hmac(rmd160)",
5231                 .test = alg_test_hash,
5232                 .suite = {
5233                         .hash = __VECS(hmac_rmd160_tv_template)
5234                 }
5235         }, {
5236                 .alg = "hmac(sha1)",
5237                 .test = alg_test_hash,
5238                 .fips_allowed = 1,
5239                 .suite = {
5240                         .hash = __VECS(hmac_sha1_tv_template)
5241                 }
5242         }, {
5243                 .alg = "hmac(sha224)",
5244                 .test = alg_test_hash,
5245                 .fips_allowed = 1,
5246                 .suite = {
5247                         .hash = __VECS(hmac_sha224_tv_template)
5248                 }
5249         }, {
5250                 .alg = "hmac(sha256)",
5251                 .test = alg_test_hash,
5252                 .fips_allowed = 1,
5253                 .suite = {
5254                         .hash = __VECS(hmac_sha256_tv_template)
5255                 }
5256         }, {
5257                 .alg = "hmac(sha3-224)",
5258                 .test = alg_test_hash,
5259                 .fips_allowed = 1,
5260                 .suite = {
5261                         .hash = __VECS(hmac_sha3_224_tv_template)
5262                 }
5263         }, {
5264                 .alg = "hmac(sha3-256)",
5265                 .test = alg_test_hash,
5266                 .fips_allowed = 1,
5267                 .suite = {
5268                         .hash = __VECS(hmac_sha3_256_tv_template)
5269                 }
5270         }, {
5271                 .alg = "hmac(sha3-384)",
5272                 .test = alg_test_hash,
5273                 .fips_allowed = 1,
5274                 .suite = {
5275                         .hash = __VECS(hmac_sha3_384_tv_template)
5276                 }
5277         }, {
5278                 .alg = "hmac(sha3-512)",
5279                 .test = alg_test_hash,
5280                 .fips_allowed = 1,
5281                 .suite = {
5282                         .hash = __VECS(hmac_sha3_512_tv_template)
5283                 }
5284         }, {
5285                 .alg = "hmac(sha384)",
5286                 .test = alg_test_hash,
5287                 .fips_allowed = 1,
5288                 .suite = {
5289                         .hash = __VECS(hmac_sha384_tv_template)
5290                 }
5291         }, {
5292                 .alg = "hmac(sha512)",
5293                 .test = alg_test_hash,
5294                 .fips_allowed = 1,
5295                 .suite = {
5296                         .hash = __VECS(hmac_sha512_tv_template)
5297                 }
5298         }, {
5299                 .alg = "hmac(sm3)",
5300                 .test = alg_test_hash,
5301                 .suite = {
5302                         .hash = __VECS(hmac_sm3_tv_template)
5303                 }
5304         }, {
5305                 .alg = "hmac(streebog256)",
5306                 .test = alg_test_hash,
5307                 .suite = {
5308                         .hash = __VECS(hmac_streebog256_tv_template)
5309                 }
5310         }, {
5311                 .alg = "hmac(streebog512)",
5312                 .test = alg_test_hash,
5313                 .suite = {
5314                         .hash = __VECS(hmac_streebog512_tv_template)
5315                 }
5316         }, {
5317                 .alg = "jitterentropy_rng",
5318                 .fips_allowed = 1,
5319                 .test = alg_test_null,
5320         }, {
5321                 .alg = "kw(aes)",
5322                 .test = alg_test_skcipher,
5323                 .fips_allowed = 1,
5324                 .suite = {
5325                         .cipher = __VECS(aes_kw_tv_template)
5326                 }
5327         }, {
5328                 .alg = "lrw(aes)",
5329                 .generic_driver = "lrw(ecb(aes-generic))",
5330                 .test = alg_test_skcipher,
5331                 .suite = {
5332                         .cipher = __VECS(aes_lrw_tv_template)
5333                 }
5334         }, {
5335                 .alg = "lrw(camellia)",
5336                 .generic_driver = "lrw(ecb(camellia-generic))",
5337                 .test = alg_test_skcipher,
5338                 .suite = {
5339                         .cipher = __VECS(camellia_lrw_tv_template)
5340                 }
5341         }, {
5342                 .alg = "lrw(cast6)",
5343                 .generic_driver = "lrw(ecb(cast6-generic))",
5344                 .test = alg_test_skcipher,
5345                 .suite = {
5346                         .cipher = __VECS(cast6_lrw_tv_template)
5347                 }
5348         }, {
5349                 .alg = "lrw(serpent)",
5350                 .generic_driver = "lrw(ecb(serpent-generic))",
5351                 .test = alg_test_skcipher,
5352                 .suite = {
5353                         .cipher = __VECS(serpent_lrw_tv_template)
5354                 }
5355         }, {
5356                 .alg = "lrw(twofish)",
5357                 .generic_driver = "lrw(ecb(twofish-generic))",
5358                 .test = alg_test_skcipher,
5359                 .suite = {
5360                         .cipher = __VECS(tf_lrw_tv_template)
5361                 }
5362         }, {
5363                 .alg = "lz4",
5364                 .test = alg_test_comp,
5365                 .fips_allowed = 1,
5366                 .suite = {
5367                         .comp = {
5368                                 .comp = __VECS(lz4_comp_tv_template),
5369                                 .decomp = __VECS(lz4_decomp_tv_template)
5370                         }
5371                 }
5372         }, {
5373                 .alg = "lz4hc",
5374                 .test = alg_test_comp,
5375                 .fips_allowed = 1,
5376                 .suite = {
5377                         .comp = {
5378                                 .comp = __VECS(lz4hc_comp_tv_template),
5379                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5380                         }
5381                 }
5382         }, {
5383                 .alg = "lzo",
5384                 .test = alg_test_comp,
5385                 .fips_allowed = 1,
5386                 .suite = {
5387                         .comp = {
5388                                 .comp = __VECS(lzo_comp_tv_template),
5389                                 .decomp = __VECS(lzo_decomp_tv_template)
5390                         }
5391                 }
5392         }, {
5393                 .alg = "lzo-rle",
5394                 .test = alg_test_comp,
5395                 .fips_allowed = 1,
5396                 .suite = {
5397                         .comp = {
5398                                 .comp = __VECS(lzorle_comp_tv_template),
5399                                 .decomp = __VECS(lzorle_decomp_tv_template)
5400                         }
5401                 }
5402         }, {
5403                 .alg = "md4",
5404                 .test = alg_test_hash,
5405                 .suite = {
5406                         .hash = __VECS(md4_tv_template)
5407                 }
5408         }, {
5409                 .alg = "md5",
5410                 .test = alg_test_hash,
5411                 .suite = {
5412                         .hash = __VECS(md5_tv_template)
5413                 }
5414         }, {
5415                 .alg = "michael_mic",
5416                 .test = alg_test_hash,
5417                 .suite = {
5418                         .hash = __VECS(michael_mic_tv_template)
5419                 }
5420         }, {
5421                 .alg = "nhpoly1305",
5422                 .test = alg_test_hash,
5423                 .suite = {
5424                         .hash = __VECS(nhpoly1305_tv_template)
5425                 }
5426         }, {
5427                 .alg = "ofb(aes)",
5428                 .test = alg_test_skcipher,
5429                 .fips_allowed = 1,
5430                 .suite = {
5431                         .cipher = __VECS(aes_ofb_tv_template)
5432                 }
5433         }, {
5434                 /* Same as ofb(aes) except the key is stored in
5435                  * hardware secure memory which we reference by index
5436                  */
5437                 .alg = "ofb(paes)",
5438                 .test = alg_test_null,
5439                 .fips_allowed = 1,
5440         }, {
5441                 .alg = "ofb(sm4)",
5442                 .test = alg_test_skcipher,
5443                 .suite = {
5444                         .cipher = __VECS(sm4_ofb_tv_template)
5445                 }
5446         }, {
5447                 .alg = "pcbc(fcrypt)",
5448                 .test = alg_test_skcipher,
5449                 .suite = {
5450                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5451                 }
5452         }, {
5453                 .alg = "pkcs1pad(rsa,sha224)",
5454                 .test = alg_test_null,
5455                 .fips_allowed = 1,
5456         }, {
5457                 .alg = "pkcs1pad(rsa,sha256)",
5458                 .test = alg_test_akcipher,
5459                 .fips_allowed = 1,
5460                 .suite = {
5461                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5462                 }
5463         }, {
5464                 .alg = "pkcs1pad(rsa,sha384)",
5465                 .test = alg_test_null,
5466                 .fips_allowed = 1,
5467         }, {
5468                 .alg = "pkcs1pad(rsa,sha512)",
5469                 .test = alg_test_null,
5470                 .fips_allowed = 1,
5471         }, {
5472                 .alg = "poly1305",
5473                 .test = alg_test_hash,
5474                 .suite = {
5475                         .hash = __VECS(poly1305_tv_template)
5476                 }
5477         }, {
5478                 .alg = "polyval",
5479                 .test = alg_test_hash,
5480                 .suite = {
5481                         .hash = __VECS(polyval_tv_template)
5482                 }
5483         }, {
5484                 .alg = "rfc3686(ctr(aes))",
5485                 .test = alg_test_skcipher,
5486                 .fips_allowed = 1,
5487                 .suite = {
5488                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5489                 }
5490         }, {
5491                 .alg = "rfc3686(ctr(sm4))",
5492                 .test = alg_test_skcipher,
5493                 .suite = {
5494                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5495                 }
5496         }, {
5497                 .alg = "rfc4106(gcm(aes))",
5498                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5499                 .test = alg_test_aead,
5500                 .fips_allowed = 1,
5501                 .suite = {
5502                         .aead = {
5503                                 ____VECS(aes_gcm_rfc4106_tv_template),
5504                                 .einval_allowed = 1,
5505                                 .aad_iv = 1,
5506                         }
5507                 }
5508         }, {
5509                 .alg = "rfc4309(ccm(aes))",
5510                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5511                 .test = alg_test_aead,
5512                 .fips_allowed = 1,
5513                 .suite = {
5514                         .aead = {
5515                                 ____VECS(aes_ccm_rfc4309_tv_template),
5516                                 .einval_allowed = 1,
5517                                 .aad_iv = 1,
5518                         }
5519                 }
5520         }, {
5521                 .alg = "rfc4543(gcm(aes))",
5522                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5523                 .test = alg_test_aead,
5524                 .suite = {
5525                         .aead = {
5526                                 ____VECS(aes_gcm_rfc4543_tv_template),
5527                                 .einval_allowed = 1,
5528                                 .aad_iv = 1,
5529                         }
5530                 }
5531         }, {
5532                 .alg = "rfc7539(chacha20,poly1305)",
5533                 .test = alg_test_aead,
5534                 .suite = {
5535                         .aead = __VECS(rfc7539_tv_template)
5536                 }
5537         }, {
5538                 .alg = "rfc7539esp(chacha20,poly1305)",
5539                 .test = alg_test_aead,
5540                 .suite = {
5541                         .aead = {
5542                                 ____VECS(rfc7539esp_tv_template),
5543                                 .einval_allowed = 1,
5544                                 .aad_iv = 1,
5545                         }
5546                 }
5547         }, {
5548                 .alg = "rmd160",
5549                 .test = alg_test_hash,
5550                 .suite = {
5551                         .hash = __VECS(rmd160_tv_template)
5552                 }
5553         }, {
5554                 .alg = "rsa",
5555                 .test = alg_test_akcipher,
5556                 .fips_allowed = 1,
5557                 .suite = {
5558                         .akcipher = __VECS(rsa_tv_template)
5559                 }
5560         }, {
5561                 .alg = "sha1",
5562                 .test = alg_test_hash,
5563                 .fips_allowed = 1,
5564                 .suite = {
5565                         .hash = __VECS(sha1_tv_template)
5566                 }
5567         }, {
5568                 .alg = "sha224",
5569                 .test = alg_test_hash,
5570                 .fips_allowed = 1,
5571                 .suite = {
5572                         .hash = __VECS(sha224_tv_template)
5573                 }
5574         }, {
5575                 .alg = "sha256",
5576                 .test = alg_test_hash,
5577                 .fips_allowed = 1,
5578                 .suite = {
5579                         .hash = __VECS(sha256_tv_template)
5580                 }
5581         }, {
5582                 .alg = "sha3-224",
5583                 .test = alg_test_hash,
5584                 .fips_allowed = 1,
5585                 .suite = {
5586                         .hash = __VECS(sha3_224_tv_template)
5587                 }
5588         }, {
5589                 .alg = "sha3-256",
5590                 .test = alg_test_hash,
5591                 .fips_allowed = 1,
5592                 .suite = {
5593                         .hash = __VECS(sha3_256_tv_template)
5594                 }
5595         }, {
5596                 .alg = "sha3-384",
5597                 .test = alg_test_hash,
5598                 .fips_allowed = 1,
5599                 .suite = {
5600                         .hash = __VECS(sha3_384_tv_template)
5601                 }
5602         }, {
5603                 .alg = "sha3-512",
5604                 .test = alg_test_hash,
5605                 .fips_allowed = 1,
5606                 .suite = {
5607                         .hash = __VECS(sha3_512_tv_template)
5608                 }
5609         }, {
5610                 .alg = "sha384",
5611                 .test = alg_test_hash,
5612                 .fips_allowed = 1,
5613                 .suite = {
5614                         .hash = __VECS(sha384_tv_template)
5615                 }
5616         }, {
5617                 .alg = "sha512",
5618                 .test = alg_test_hash,
5619                 .fips_allowed = 1,
5620                 .suite = {
5621                         .hash = __VECS(sha512_tv_template)
5622                 }
5623         }, {
5624                 .alg = "sm2",
5625                 .test = alg_test_akcipher,
5626                 .suite = {
5627                         .akcipher = __VECS(sm2_tv_template)
5628                 }
5629         }, {
5630                 .alg = "sm3",
5631                 .test = alg_test_hash,
5632                 .suite = {
5633                         .hash = __VECS(sm3_tv_template)
5634                 }
5635         }, {
5636                 .alg = "streebog256",
5637                 .test = alg_test_hash,
5638                 .suite = {
5639                         .hash = __VECS(streebog256_tv_template)
5640                 }
5641         }, {
5642                 .alg = "streebog512",
5643                 .test = alg_test_hash,
5644                 .suite = {
5645                         .hash = __VECS(streebog512_tv_template)
5646                 }
5647         }, {
5648                 .alg = "vmac64(aes)",
5649                 .test = alg_test_hash,
5650                 .suite = {
5651                         .hash = __VECS(vmac64_aes_tv_template)
5652                 }
5653         }, {
5654                 .alg = "wp256",
5655                 .test = alg_test_hash,
5656                 .suite = {
5657                         .hash = __VECS(wp256_tv_template)
5658                 }
5659         }, {
5660                 .alg = "wp384",
5661                 .test = alg_test_hash,
5662                 .suite = {
5663                         .hash = __VECS(wp384_tv_template)
5664                 }
5665         }, {
5666                 .alg = "wp512",
5667                 .test = alg_test_hash,
5668                 .suite = {
5669                         .hash = __VECS(wp512_tv_template)
5670                 }
5671         }, {
5672                 .alg = "xcbc(aes)",
5673                 .test = alg_test_hash,
5674                 .suite = {
5675                         .hash = __VECS(aes_xcbc128_tv_template)
5676                 }
5677         }, {
5678                 .alg = "xcbc(sm4)",
5679                 .test = alg_test_hash,
5680                 .suite = {
5681                         .hash = __VECS(sm4_xcbc128_tv_template)
5682                 }
5683         }, {
5684                 .alg = "xchacha12",
5685                 .test = alg_test_skcipher,
5686                 .suite = {
5687                         .cipher = __VECS(xchacha12_tv_template)
5688                 },
5689         }, {
5690                 .alg = "xchacha20",
5691                 .test = alg_test_skcipher,
5692                 .suite = {
5693                         .cipher = __VECS(xchacha20_tv_template)
5694                 },
5695         }, {
5696                 .alg = "xctr(aes)",
5697                 .test = alg_test_skcipher,
5698                 .suite = {
5699                         .cipher = __VECS(aes_xctr_tv_template)
5700                 }
5701         }, {
5702                 .alg = "xts(aes)",
5703                 .generic_driver = "xts(ecb(aes-generic))",
5704                 .test = alg_test_skcipher,
5705                 .fips_allowed = 1,
5706                 .suite = {
5707                         .cipher = __VECS(aes_xts_tv_template)
5708                 }
5709         }, {
5710                 .alg = "xts(camellia)",
5711                 .generic_driver = "xts(ecb(camellia-generic))",
5712                 .test = alg_test_skcipher,
5713                 .suite = {
5714                         .cipher = __VECS(camellia_xts_tv_template)
5715                 }
5716         }, {
5717                 .alg = "xts(cast6)",
5718                 .generic_driver = "xts(ecb(cast6-generic))",
5719                 .test = alg_test_skcipher,
5720                 .suite = {
5721                         .cipher = __VECS(cast6_xts_tv_template)
5722                 }
5723         }, {
5724                 /* Same as xts(aes) except the key is stored in
5725                  * hardware secure memory which we reference by index
5726                  */
5727                 .alg = "xts(paes)",
5728                 .test = alg_test_null,
5729                 .fips_allowed = 1,
5730         }, {
5731                 .alg = "xts(serpent)",
5732                 .generic_driver = "xts(ecb(serpent-generic))",
5733                 .test = alg_test_skcipher,
5734                 .suite = {
5735                         .cipher = __VECS(serpent_xts_tv_template)
5736                 }
5737         }, {
5738                 .alg = "xts(sm4)",
5739                 .generic_driver = "xts(ecb(sm4-generic))",
5740                 .test = alg_test_skcipher,
5741                 .suite = {
5742                         .cipher = __VECS(sm4_xts_tv_template)
5743                 }
5744         }, {
5745                 .alg = "xts(twofish)",
5746                 .generic_driver = "xts(ecb(twofish-generic))",
5747                 .test = alg_test_skcipher,
5748                 .suite = {
5749                         .cipher = __VECS(tf_xts_tv_template)
5750                 }
5751         }, {
5752 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5753                 .alg = "xts-paes-s390",
5754                 .fips_allowed = 1,
5755                 .test = alg_test_skcipher,
5756                 .suite = {
5757                         .cipher = __VECS(aes_xts_tv_template)
5758                 }
5759         }, {
5760 #endif
5761                 .alg = "xts4096(paes)",
5762                 .test = alg_test_null,
5763                 .fips_allowed = 1,
5764         }, {
5765                 .alg = "xts512(paes)",
5766                 .test = alg_test_null,
5767                 .fips_allowed = 1,
5768         }, {
5769                 .alg = "xxhash64",
5770                 .test = alg_test_hash,
5771                 .fips_allowed = 1,
5772                 .suite = {
5773                         .hash = __VECS(xxhash64_tv_template)
5774                 }
5775         }, {
5776                 .alg = "zlib-deflate",
5777                 .test = alg_test_comp,
5778                 .fips_allowed = 1,
5779                 .suite = {
5780                         .comp = {
5781                                 .comp = __VECS(zlib_deflate_comp_tv_template),
5782                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5783                         }
5784                 }
5785         }, {
5786                 .alg = "zstd",
5787                 .test = alg_test_comp,
5788                 .fips_allowed = 1,
5789                 .suite = {
5790                         .comp = {
5791                                 .comp = __VECS(zstd_comp_tv_template),
5792                                 .decomp = __VECS(zstd_decomp_tv_template)
5793                         }
5794                 }
5795         }
5796 };
5797
5798 static void alg_check_test_descs_order(void)
5799 {
5800         int i;
5801
5802         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5803                 int diff = strcmp(alg_test_descs[i - 1].alg,
5804                                   alg_test_descs[i].alg);
5805
5806                 if (WARN_ON(diff > 0)) {
5807                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5808                                 alg_test_descs[i - 1].alg,
5809                                 alg_test_descs[i].alg);
5810                 }
5811
5812                 if (WARN_ON(diff == 0)) {
5813                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5814                                 alg_test_descs[i].alg);
5815                 }
5816         }
5817 }
5818
5819 static void alg_check_testvec_configs(void)
5820 {
5821         int i;
5822
5823         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5824                 WARN_ON(!valid_testvec_config(
5825                                 &default_cipher_testvec_configs[i]));
5826
5827         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5828                 WARN_ON(!valid_testvec_config(
5829                                 &default_hash_testvec_configs[i]));
5830 }
5831
5832 static void testmgr_onetime_init(void)
5833 {
5834         alg_check_test_descs_order();
5835         alg_check_testvec_configs();
5836
5837 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5838         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5839 #endif
5840 }
5841
5842 static int alg_find_test(const char *alg)
5843 {
5844         int start = 0;
5845         int end = ARRAY_SIZE(alg_test_descs);
5846
5847         while (start < end) {
5848                 int i = (start + end) / 2;
5849                 int diff = strcmp(alg_test_descs[i].alg, alg);
5850
5851                 if (diff > 0) {
5852                         end = i;
5853                         continue;
5854                 }
5855
5856                 if (diff < 0) {
5857                         start = i + 1;
5858                         continue;
5859                 }
5860
5861                 return i;
5862         }
5863
5864         return -1;
5865 }
5866
5867 static int alg_fips_disabled(const char *driver, const char *alg)
5868 {
5869         pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5870
5871         return -ECANCELED;
5872 }
5873
5874 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5875 {
5876         int i;
5877         int j;
5878         int rc;
5879
5880         if (!fips_enabled && notests) {
5881                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5882                 return 0;
5883         }
5884
5885         DO_ONCE(testmgr_onetime_init);
5886
5887         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5888                 char nalg[CRYPTO_MAX_ALG_NAME];
5889
5890                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5891                     sizeof(nalg))
5892                         return -ENAMETOOLONG;
5893
5894                 i = alg_find_test(nalg);
5895                 if (i < 0)
5896                         goto notest;
5897
5898                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5899                         goto non_fips_alg;
5900
5901                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5902                 goto test_done;
5903         }
5904
5905         i = alg_find_test(alg);
5906         j = alg_find_test(driver);
5907         if (i < 0 && j < 0)
5908                 goto notest;
5909
5910         if (fips_enabled) {
5911                 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5912                         return -EINVAL;
5913
5914                 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5915                         goto non_fips_alg;
5916         }
5917
5918         rc = 0;
5919         if (i >= 0)
5920                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5921                                              type, mask);
5922         if (j >= 0 && j != i)
5923                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5924                                              type, mask);
5925
5926 test_done:
5927         if (rc) {
5928                 if (fips_enabled || panic_on_fail) {
5929                         fips_fail_notify();
5930                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5931                               driver, alg,
5932                               fips_enabled ? "fips" : "panic_on_fail");
5933                 }
5934                 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5935                         alg, driver, rc);
5936                 WARN(rc != -ENOENT,
5937                      "alg: self-tests for %s using %s failed (rc=%d)",
5938                      alg, driver, rc);
5939         } else {
5940                 if (fips_enabled)
5941                         pr_info("alg: self-tests for %s (%s) passed\n",
5942                                 driver, alg);
5943         }
5944
5945         return rc;
5946
5947 notest:
5948         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5949
5950         if (type & CRYPTO_ALG_FIPS_INTERNAL)
5951                 return alg_fips_disabled(driver, alg);
5952
5953         return 0;
5954 non_fips_alg:
5955         return alg_fips_disabled(driver, alg);
5956 }
5957
5958 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5959
5960 EXPORT_SYMBOL_GPL(alg_test);