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/simd.h>
  37
  38 #include "internal.h"
  39
  40 static bool notests;
  41 module_param(notests, bool, 0644);
  42 MODULE_PARM_DESC(notests, "disable crypto self-tests");
  43
  44 static bool panic_on_fail;
  45 module_param(panic_on_fail, bool, 0444);
  46
  47 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
  48 static bool noextratests;
  49 module_param(noextratests, bool, 0644);
  50 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
  51
  52 static unsigned int fuzz_iterations = 100;
  53 module_param(fuzz_iterations, uint, 0644);
  54 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
  55
  56 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
  57 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
  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 #define TEST_SG_TOTAL   10000
 236
 237 /**
 238  * struct test_sg_division - description of a scatterlist entry
 239  *
 240  * This struct describes one entry of a scatterlist being constructed to check a
 241  * crypto test vector.
 242  *
 243  * @proportion_of_total: length of this chunk relative to the total length,
 244  *                       given as a proportion out of TEST_SG_TOTAL so that it
 245  *                       scales to fit any test vector
 246  * @offset: byte offset into a 2-page buffer at which this chunk will start
 247  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
 248  *                                @offset
 249  * @flush_type: for hashes, whether an update() should be done now vs.
 250  *              continuing to accumulate data
 251  * @nosimd: if doing the pending update(), do it with SIMD disabled?
 252  */
 253 struct test_sg_division {
 254         unsigned int proportion_of_total;
 255         unsigned int offset;
 256         bool offset_relative_to_alignmask;
 257         enum flush_type flush_type;
 258         bool nosimd;
 259 };
 260
 261 /**
 262  * struct testvec_config - configuration for testing a crypto test vector
 263  *
 264  * This struct describes the data layout and other parameters with which each
 265  * crypto test vector can be tested.
 266  *
 267  * @name: name of this config, logged for debugging purposes if a test fails
 268  * @inplace: operate on the data in-place, if applicable for the algorithm type?
 269  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
 270  * @src_divs: description of how to arrange the source scatterlist
 271  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
 272  *            for the algorithm type.  Defaults to @src_divs if unset.
 273  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
 274  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
 275  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 276  *                                   the @iv_offset
 277  * @key_offset: misalignment of the key, where 0 is default alignment
 278  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 279  *                                    the @key_offset
 280  * @finalization_type: what finalization function to use for hashes
 281  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
 282  */
 283 struct testvec_config {
 284         const char *name;
 285         bool inplace;
 286         u32 req_flags;
 287         struct test_sg_division src_divs[XBUFSIZE];
 288         struct test_sg_division dst_divs[XBUFSIZE];
 289         unsigned int iv_offset;
 290         unsigned int key_offset;
 291         bool iv_offset_relative_to_alignmask;
 292         bool key_offset_relative_to_alignmask;
 293         enum finalization_type finalization_type;
 294         bool nosimd;
 295 };
 296
 297 #define TESTVEC_CONFIG_NAMELEN  192
 298
 299 /*
 300  * The following are the lists of testvec_configs to test for each algorithm
 301  * type when the basic crypto self-tests are enabled, i.e. when
 302  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
 303  * coverage, while keeping the test time much shorter than the full fuzz tests
 304  * so that the basic tests can be enabled in a wider range of circumstances.
 305  */
 306
 307 /* Configs for skciphers and aeads */
 308 static const struct testvec_config default_cipher_testvec_configs[] = {
 309         {
 310                 .name = "in-place",
 311                 .inplace = true,
 312                 .src_divs = { { .proportion_of_total = 10000 } },
 313         }, {
 314                 .name = "out-of-place",
 315                 .src_divs = { { .proportion_of_total = 10000 } },
 316         }, {
 317                 .name = "unaligned buffer, offset=1",
 318                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 319                 .iv_offset = 1,
 320                 .key_offset = 1,
 321         }, {
 322                 .name = "buffer aligned only to alignmask",
 323                 .src_divs = {
 324                         {
 325                                 .proportion_of_total = 10000,
 326                                 .offset = 1,
 327                                 .offset_relative_to_alignmask = true,
 328                         },
 329                 },
 330                 .iv_offset = 1,
 331                 .iv_offset_relative_to_alignmask = true,
 332                 .key_offset = 1,
 333                 .key_offset_relative_to_alignmask = true,
 334         }, {
 335                 .name = "two even aligned splits",
 336                 .src_divs = {
 337                         { .proportion_of_total = 5000 },
 338                         { .proportion_of_total = 5000 },
 339                 },
 340         }, {
 341                 .name = "uneven misaligned splits, may sleep",
 342                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 343                 .src_divs = {
 344                         { .proportion_of_total = 1900, .offset = 33 },
 345                         { .proportion_of_total = 3300, .offset = 7  },
 346                         { .proportion_of_total = 4800, .offset = 18 },
 347                 },
 348                 .iv_offset = 3,
 349                 .key_offset = 3,
 350         }, {
 351                 .name = "misaligned splits crossing pages, inplace",
 352                 .inplace = true,
 353                 .src_divs = {
 354                         {
 355                                 .proportion_of_total = 7500,
 356                                 .offset = PAGE_SIZE - 32
 357                         }, {
 358                                 .proportion_of_total = 2500,
 359                                 .offset = PAGE_SIZE - 7
 360                         },
 361                 },
 362         }
 363 };
 364
 365 static const struct testvec_config default_hash_testvec_configs[] = {
 366         {
 367                 .name = "init+update+final aligned buffer",
 368                 .src_divs = { { .proportion_of_total = 10000 } },
 369                 .finalization_type = FINALIZATION_TYPE_FINAL,
 370         }, {
 371                 .name = "init+finup aligned buffer",
 372                 .src_divs = { { .proportion_of_total = 10000 } },
 373                 .finalization_type = FINALIZATION_TYPE_FINUP,
 374         }, {
 375                 .name = "digest aligned buffer",
 376                 .src_divs = { { .proportion_of_total = 10000 } },
 377                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 378         }, {
 379                 .name = "init+update+final misaligned buffer",
 380                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 381                 .finalization_type = FINALIZATION_TYPE_FINAL,
 382                 .key_offset = 1,
 383         }, {
 384                 .name = "digest buffer aligned only to alignmask",
 385                 .src_divs = {
 386                         {
 387                                 .proportion_of_total = 10000,
 388                                 .offset = 1,
 389                                 .offset_relative_to_alignmask = true,
 390                         },
 391                 },
 392                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 393                 .key_offset = 1,
 394                 .key_offset_relative_to_alignmask = true,
 395         }, {
 396                 .name = "init+update+update+final two even splits",
 397                 .src_divs = {
 398                         { .proportion_of_total = 5000 },
 399                         {
 400                                 .proportion_of_total = 5000,
 401                                 .flush_type = FLUSH_TYPE_FLUSH,
 402                         },
 403                 },
 404                 .finalization_type = FINALIZATION_TYPE_FINAL,
 405         }, {
 406                 .name = "digest uneven misaligned splits, may sleep",
 407                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 408                 .src_divs = {
 409                         { .proportion_of_total = 1900, .offset = 33 },
 410                         { .proportion_of_total = 3300, .offset = 7  },
 411                         { .proportion_of_total = 4800, .offset = 18 },
 412                 },
 413                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 414         }, {
 415                 .name = "digest misaligned splits crossing pages",
 416                 .src_divs = {
 417                         {
 418                                 .proportion_of_total = 7500,
 419                                 .offset = PAGE_SIZE - 32,
 420                         }, {
 421                                 .proportion_of_total = 2500,
 422                                 .offset = PAGE_SIZE - 7,
 423                         },
 424                 },
 425                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 426         }, {
 427                 .name = "import/export",
 428                 .src_divs = {
 429                         {
 430                                 .proportion_of_total = 6500,
 431                                 .flush_type = FLUSH_TYPE_REIMPORT,
 432                         }, {
 433                                 .proportion_of_total = 3500,
 434                                 .flush_type = FLUSH_TYPE_REIMPORT,
 435                         },
 436                 },
 437                 .finalization_type = FINALIZATION_TYPE_FINAL,
 438         }
 439 };
 440
 441 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 442 {
 443         unsigned int remaining = TEST_SG_TOTAL;
 444         unsigned int ndivs = 0;
 445
 446         do {
 447                 remaining -= divs[ndivs++].proportion_of_total;
 448         } while (remaining);
 449
 450         return ndivs;
 451 }
 452
 453 #define SGDIVS_HAVE_FLUSHES     BIT(0)
 454 #define SGDIVS_HAVE_NOSIMD      BIT(1)
 455
 456 static bool valid_sg_divisions(const struct test_sg_division *divs,
 457                                unsigned int count, int *flags_ret)
 458 {
 459         unsigned int total = 0;
 460         unsigned int i;
 461
 462         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 463                 if (divs[i].proportion_of_total <= 0 ||
 464                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 465                         return false;
 466                 total += divs[i].proportion_of_total;
 467                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
 468                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
 469                 if (divs[i].nosimd)
 470                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
 471         }
 472         return total == TEST_SG_TOTAL &&
 473                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 474 }
 475
 476 /*
 477  * Check whether the given testvec_config is valid.  This isn't strictly needed
 478  * since every testvec_config should be valid, but check anyway so that people
 479  * don't unknowingly add broken configs that don't do what they wanted.
 480  */
 481 static bool valid_testvec_config(const struct testvec_config *cfg)
 482 {
 483         int flags = 0;
 484
 485         if (cfg->name == NULL)
 486                 return false;
 487
 488         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 489                                 &flags))
 490                 return false;
 491
 492         if (cfg->dst_divs[0].proportion_of_total) {
 493                 if (!valid_sg_divisions(cfg->dst_divs,
 494                                         ARRAY_SIZE(cfg->dst_divs), &flags))
 495                         return false;
 496         } else {
 497                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 498                         return false;
 499                 /* defaults to dst_divs=src_divs */
 500         }
 501
 502         if (cfg->iv_offset +
 503             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 504             MAX_ALGAPI_ALIGNMASK + 1)
 505                 return false;
 506
 507         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 508             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 509                 return false;
 510
 511         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 512             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 513                 return false;
 514
 515         return true;
 516 }
 517
 518 struct test_sglist {
 519         char *bufs[XBUFSIZE];
 520         struct scatterlist sgl[XBUFSIZE];
 521         struct scatterlist sgl_saved[XBUFSIZE];
 522         struct scatterlist *sgl_ptr;
 523         unsigned int nents;
 524 };
 525
 526 static int init_test_sglist(struct test_sglist *tsgl)
 527 {
 528         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 529 }
 530
 531 static void destroy_test_sglist(struct test_sglist *tsgl)
 532 {
 533         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 534 }
 535
 536 /**
 537  * build_test_sglist() - build a scatterlist for a crypto test
 538  *
 539  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 540  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 541  * @divs: the layout specification on which the scatterlist will be based
 542  * @alignmask: the algorithm's alignmask
 543  * @total_len: the total length of the scatterlist to build in bytes
 544  * @data: if non-NULL, the buffers will be filled with this data until it ends.
 545  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
 546  *        past the end of each buffer will be poisoned to help detect overruns.
 547  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 548  *            corresponds will be returned here.  This will match @divs except
 549  *            that divisions resolving to a length of 0 are omitted as they are
 550  *            not included in the scatterlist.
 551  *
 552  * Return: 0 or a -errno value
 553  */
 554 static int build_test_sglist(struct test_sglist *tsgl,
 555                              const struct test_sg_division *divs,
 556                              const unsigned int alignmask,
 557                              const unsigned int total_len,
 558                              struct iov_iter *data,
 559                              const struct test_sg_division *out_divs[XBUFSIZE])
 560 {
 561         struct {
 562                 const struct test_sg_division *div;
 563                 size_t length;
 564         } partitions[XBUFSIZE];
 565         const unsigned int ndivs = count_test_sg_divisions(divs);
 566         unsigned int len_remaining = total_len;
 567         unsigned int i;
 568
 569         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 570         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 571                 return -EINVAL;
 572
 573         /* Calculate the (div, length) pairs */
 574         tsgl->nents = 0;
 575         for (i = 0; i < ndivs; i++) {
 576                 unsigned int len_this_sg =
 577                         min(len_remaining,
 578                             (total_len * divs[i].proportion_of_total +
 579                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 580
 581                 if (len_this_sg != 0) {
 582                         partitions[tsgl->nents].div = &divs[i];
 583                         partitions[tsgl->nents].length = len_this_sg;
 584                         tsgl->nents++;
 585                         len_remaining -= len_this_sg;
 586                 }
 587         }
 588         if (tsgl->nents == 0) {
 589                 partitions[tsgl->nents].div = &divs[0];
 590                 partitions[tsgl->nents].length = 0;
 591                 tsgl->nents++;
 592         }
 593         partitions[tsgl->nents - 1].length += len_remaining;
 594
 595         /* Set up the sgl entries and fill the data or poison */
 596         sg_init_table(tsgl->sgl, tsgl->nents);
 597         for (i = 0; i < tsgl->nents; i++) {
 598                 unsigned int offset = partitions[i].div->offset;
 599                 void *addr;
 600
 601                 if (partitions[i].div->offset_relative_to_alignmask)
 602                         offset += alignmask;
 603
 604                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 605                        2 * PAGE_SIZE) {
 606                         if (WARN_ON(offset <= 0))
 607                                 return -EINVAL;
 608                         offset /= 2;
 609                 }
 610
 611                 addr = &tsgl->bufs[i][offset];
 612                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 613
 614                 if (out_divs)
 615                         out_divs[i] = partitions[i].div;
 616
 617                 if (data) {
 618                         size_t copy_len, copied;
 619
 620                         copy_len = min(partitions[i].length, data->count);
 621                         copied = copy_from_iter(addr, copy_len, data);
 622                         if (WARN_ON(copied != copy_len))
 623                                 return -EINVAL;
 624                         testmgr_poison(addr + copy_len, partitions[i].length +
 625                                        TESTMGR_POISON_LEN - copy_len);
 626                 } else {
 627                         testmgr_poison(addr, partitions[i].length +
 628                                        TESTMGR_POISON_LEN);
 629                 }
 630         }
 631
 632         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 633         tsgl->sgl_ptr = tsgl->sgl;
 634         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 635         return 0;
 636 }
 637
 638 /*
 639  * Verify that a scatterlist crypto operation produced the correct output.
 640  *
 641  * @tsgl: scatterlist containing the actual output
 642  * @expected_output: buffer containing the expected output
 643  * @len_to_check: length of @expected_output in bytes
 644  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 645  * @check_poison: verify that the poison bytes after each chunk are intact?
 646  *
 647  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 648  */
 649 static int verify_correct_output(const struct test_sglist *tsgl,
 650                                  const char *expected_output,
 651                                  unsigned int len_to_check,
 652                                  unsigned int unchecked_prefix_len,
 653                                  bool check_poison)
 654 {
 655         unsigned int i;
 656
 657         for (i = 0; i < tsgl->nents; i++) {
 658                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
 659                 unsigned int len = sg->length;
 660                 unsigned int offset = sg->offset;
 661                 const char *actual_output;
 662
 663                 if (unchecked_prefix_len) {
 664                         if (unchecked_prefix_len >= len) {
 665                                 unchecked_prefix_len -= len;
 666                                 continue;
 667                         }
 668                         offset += unchecked_prefix_len;
 669                         len -= unchecked_prefix_len;
 670                         unchecked_prefix_len = 0;
 671                 }
 672                 len = min(len, len_to_check);
 673                 actual_output = page_address(sg_page(sg)) + offset;
 674                 if (memcmp(expected_output, actual_output, len) != 0)
 675                         return -EINVAL;
 676                 if (check_poison &&
 677                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 678                         return -EOVERFLOW;
 679                 len_to_check -= len;
 680                 expected_output += len;
 681         }
 682         if (WARN_ON(len_to_check != 0))
 683                 return -EINVAL;
 684         return 0;
 685 }
 686
 687 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 688 {
 689         unsigned int i;
 690
 691         for (i = 0; i < tsgl->nents; i++) {
 692                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 693                         return true;
 694                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 695                         return true;
 696                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 697                         return true;
 698         }
 699         return false;
 700 }
 701
 702 struct cipher_test_sglists {
 703         struct test_sglist src;
 704         struct test_sglist dst;
 705 };
 706
 707 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 708 {
 709         struct cipher_test_sglists *tsgls;
 710
 711         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 712         if (!tsgls)
 713                 return NULL;
 714
 715         if (init_test_sglist(&tsgls->src) != 0)
 716                 goto fail_kfree;
 717         if (init_test_sglist(&tsgls->dst) != 0)
 718                 goto fail_destroy_src;
 719
 720         return tsgls;
 721
 722 fail_destroy_src:
 723         destroy_test_sglist(&tsgls->src);
 724 fail_kfree:
 725         kfree(tsgls);
 726         return NULL;
 727 }
 728
 729 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 730 {
 731         if (tsgls) {
 732                 destroy_test_sglist(&tsgls->src);
 733                 destroy_test_sglist(&tsgls->dst);
 734                 kfree(tsgls);
 735         }
 736 }
 737
 738 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 739 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 740                                      const struct testvec_config *cfg,
 741                                      unsigned int alignmask,
 742                                      unsigned int src_total_len,
 743                                      unsigned int dst_total_len,
 744                                      const struct kvec *inputs,
 745                                      unsigned int nr_inputs)
 746 {
 747         struct iov_iter input;
 748         int err;
 749
 750         iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
 751         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 752                                 cfg->inplace ?
 753                                         max(dst_total_len, src_total_len) :
 754                                         src_total_len,
 755                                 &input, NULL);
 756         if (err)
 757                 return err;
 758
 759         if (cfg->inplace) {
 760                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
 761                 tsgls->dst.nents = tsgls->src.nents;
 762                 return 0;
 763         }
 764         return build_test_sglist(&tsgls->dst,
 765                                  cfg->dst_divs[0].proportion_of_total ?
 766                                         cfg->dst_divs : cfg->src_divs,
 767                                  alignmask, dst_total_len, NULL, NULL);
 768 }
 769
 770 /*
 771  * Support for testing passing a misaligned key to setkey():
 772  *
 773  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 774  * optionally adding alignmask.  Else, just use the key directly.
 775  */
 776 static int prepare_keybuf(const u8 *key, unsigned int ksize,
 777                           const struct testvec_config *cfg,
 778                           unsigned int alignmask,
 779                           const u8 **keybuf_ret, const u8 **keyptr_ret)
 780 {
 781         unsigned int key_offset = cfg->key_offset;
 782         u8 *keybuf = NULL, *keyptr = (u8 *)key;
 783
 784         if (key_offset != 0) {
 785                 if (cfg->key_offset_relative_to_alignmask)
 786                         key_offset += alignmask;
 787                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 788                 if (!keybuf)
 789                         return -ENOMEM;
 790                 keyptr = keybuf + key_offset;
 791                 memcpy(keyptr, key, ksize);
 792         }
 793         *keybuf_ret = keybuf;
 794         *keyptr_ret = keyptr;
 795         return 0;
 796 }
 797
 798 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 799 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
 800 ({                                                                      \
 801         const u8 *keybuf, *keyptr;                                      \
 802         int err;                                                        \
 803                                                                         \
 804         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
 805                              &keybuf, &keyptr);                         \
 806         if (err == 0) {                                                 \
 807                 err = setkey_f((tfm), keyptr, (ksize));                 \
 808                 kfree(keybuf);                                          \
 809         }                                                               \
 810         err;                                                            \
 811 })
 812
 813 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 814
 815 /* Generate a random length in range [0, max_len], but prefer smaller values */
 816 static unsigned int generate_random_length(unsigned int max_len)
 817 {
 818         unsigned int len = prandom_u32() % (max_len + 1);
 819
 820         switch (prandom_u32() % 4) {
 821         case 0:
 822                 return len % 64;
 823         case 1:
 824                 return len % 256;
 825         case 2:
 826                 return len % 1024;
 827         default:
 828                 return len;
 829         }
 830 }
 831
 832 /* Flip a random bit in the given nonempty data buffer */
 833 static void flip_random_bit(u8 *buf, size_t size)
 834 {
 835         size_t bitpos;
 836
 837         bitpos = prandom_u32() % (size * 8);
 838         buf[bitpos / 8] ^= 1 << (bitpos % 8);
 839 }
 840
 841 /* Flip a random byte in the given nonempty data buffer */
 842 static void flip_random_byte(u8 *buf, size_t size)
 843 {
 844         buf[prandom_u32() % size] ^= 0xff;
 845 }
 846
 847 /* Sometimes make some random changes to the given nonempty data buffer */
 848 static void mutate_buffer(u8 *buf, size_t size)
 849 {
 850         size_t num_flips;
 851         size_t i;
 852
 853         /* Sometimes flip some bits */
 854         if (prandom_u32() % 4 == 0) {
 855                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
 856                 for (i = 0; i < num_flips; i++)
 857                         flip_random_bit(buf, size);
 858         }
 859
 860         /* Sometimes flip some bytes */
 861         if (prandom_u32() % 4 == 0) {
 862                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
 863                 for (i = 0; i < num_flips; i++)
 864                         flip_random_byte(buf, size);
 865         }
 866 }
 867
 868 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 869 static void generate_random_bytes(u8 *buf, size_t count)
 870 {
 871         u8 b;
 872         u8 increment;
 873         size_t i;
 874
 875         if (count == 0)
 876                 return;
 877
 878         switch (prandom_u32() % 8) { /* Choose a generation strategy */
 879         case 0:
 880         case 1:
 881                 /* All the same byte, plus optional mutations */
 882                 switch (prandom_u32() % 4) {
 883                 case 0:
 884                         b = 0x00;
 885                         break;
 886                 case 1:
 887                         b = 0xff;
 888                         break;
 889                 default:
 890                         b = (u8)prandom_u32();
 891                         break;
 892                 }
 893                 memset(buf, b, count);
 894                 mutate_buffer(buf, count);
 895                 break;
 896         case 2:
 897                 /* Ascending or descending bytes, plus optional mutations */
 898                 increment = (u8)prandom_u32();
 899                 b = (u8)prandom_u32();
 900                 for (i = 0; i < count; i++, b += increment)
 901                         buf[i] = b;
 902                 mutate_buffer(buf, count);
 903                 break;
 904         default:
 905                 /* Fully random bytes */
 906                 for (i = 0; i < count; i++)
 907                         buf[i] = (u8)prandom_u32();
 908         }
 909 }
 910
 911 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
 912                                            size_t max_divs, char *p, char *end,
 913                                            bool gen_flushes, u32 req_flags)
 914 {
 915         struct test_sg_division *div = divs;
 916         unsigned int remaining = TEST_SG_TOTAL;
 917
 918         do {
 919                 unsigned int this_len;
 920                 const char *flushtype_str;
 921
 922                 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
 923                         this_len = remaining;
 924                 else
 925                         this_len = 1 + (prandom_u32() % remaining);
 926                 div->proportion_of_total = this_len;
 927
 928                 if (prandom_u32() % 4 == 0)
 929                         div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
 930                 else if (prandom_u32() % 2 == 0)
 931                         div->offset = prandom_u32() % 32;
 932                 else
 933                         div->offset = prandom_u32() % PAGE_SIZE;
 934                 if (prandom_u32() % 8 == 0)
 935                         div->offset_relative_to_alignmask = true;
 936
 937                 div->flush_type = FLUSH_TYPE_NONE;
 938                 if (gen_flushes) {
 939                         switch (prandom_u32() % 4) {
 940                         case 0:
 941                                 div->flush_type = FLUSH_TYPE_REIMPORT;
 942                                 break;
 943                         case 1:
 944                                 div->flush_type = FLUSH_TYPE_FLUSH;
 945                                 break;
 946                         }
 947                 }
 948
 949                 if (div->flush_type != FLUSH_TYPE_NONE &&
 950                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
 951                     prandom_u32() % 2 == 0)
 952                         div->nosimd = true;
 953
 954                 switch (div->flush_type) {
 955                 case FLUSH_TYPE_FLUSH:
 956                         if (div->nosimd)
 957                                 flushtype_str = "<flush,nosimd>";
 958                         else
 959                                 flushtype_str = "<flush>";
 960                         break;
 961                 case FLUSH_TYPE_REIMPORT:
 962                         if (div->nosimd)
 963                                 flushtype_str = "<reimport,nosimd>";
 964                         else
 965                                 flushtype_str = "<reimport>";
 966                         break;
 967                 default:
 968                         flushtype_str = "";
 969                         break;
 970                 }
 971
 972                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
 973                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
 974                                this_len / 100, this_len % 100,
 975                                div->offset_relative_to_alignmask ?
 976                                         "alignmask" : "",
 977                                div->offset, this_len == remaining ? "" : ", ");
 978                 remaining -= this_len;
 979                 div++;
 980         } while (remaining);
 981
 982         return p;
 983 }
 984
 985 /* Generate a random testvec_config for fuzz testing */
 986 static void generate_random_testvec_config(struct testvec_config *cfg,
 987                                            char *name, size_t max_namelen)
 988 {
 989         char *p = name;
 990         char * const end = name + max_namelen;
 991
 992         memset(cfg, 0, sizeof(*cfg));
 993
 994         cfg->name = name;
 995
 996         p += scnprintf(p, end - p, "random:");
 997
 998         if (prandom_u32() % 2 == 0) {
 999                 cfg->inplace = true;
1000                 p += scnprintf(p, end - p, " inplace");
1001         }
1002
1003         if (prandom_u32() % 2 == 0) {
1004                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1005                 p += scnprintf(p, end - p, " may_sleep");
1006         }
1007
1008         switch (prandom_u32() % 4) {
1009         case 0:
1010                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1011                 p += scnprintf(p, end - p, " use_final");
1012                 break;
1013         case 1:
1014                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1015                 p += scnprintf(p, end - p, " use_finup");
1016                 break;
1017         default:
1018                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1019                 p += scnprintf(p, end - p, " use_digest");
1020                 break;
1021         }
1022
1023         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1024             prandom_u32() % 2 == 0) {
1025                 cfg->nosimd = true;
1026                 p += scnprintf(p, end - p, " nosimd");
1027         }
1028
1029         p += scnprintf(p, end - p, " src_divs=[");
1030         p = generate_random_sgl_divisions(cfg->src_divs,
1031                                           ARRAY_SIZE(cfg->src_divs), p, end,
1032                                           (cfg->finalization_type !=
1033                                            FINALIZATION_TYPE_DIGEST),
1034                                           cfg->req_flags);
1035         p += scnprintf(p, end - p, "]");
1036
1037         if (!cfg->inplace && prandom_u32() % 2 == 0) {
1038                 p += scnprintf(p, end - p, " dst_divs=[");
1039                 p = generate_random_sgl_divisions(cfg->dst_divs,
1040                                                   ARRAY_SIZE(cfg->dst_divs),
1041                                                   p, end, false,
1042                                                   cfg->req_flags);
1043                 p += scnprintf(p, end - p, "]");
1044         }
1045
1046         if (prandom_u32() % 2 == 0) {
1047                 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1048                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1049         }
1050
1051         if (prandom_u32() % 2 == 0) {
1052                 cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1053                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1054         }
1055
1056         WARN_ON_ONCE(!valid_testvec_config(cfg));
1057 }
1058
1059 static void crypto_disable_simd_for_test(void)
1060 {
1061         preempt_disable();
1062         __this_cpu_write(crypto_simd_disabled_for_test, true);
1063 }
1064
1065 static void crypto_reenable_simd_for_test(void)
1066 {
1067         __this_cpu_write(crypto_simd_disabled_for_test, false);
1068         preempt_enable();
1069 }
1070
1071 /*
1072  * Given an algorithm name, build the name of the generic implementation of that
1073  * algorithm, assuming the usual naming convention.  Specifically, this appends
1074  * "-generic" to every part of the name that is not a template name.  Examples:
1075  *
1076  *      aes => aes-generic
1077  *      cbc(aes) => cbc(aes-generic)
1078  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1079  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1080  *
1081  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1082  */
1083 static int build_generic_driver_name(const char *algname,
1084                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1085 {
1086         const char *in = algname;
1087         char *out = driver_name;
1088         size_t len = strlen(algname);
1089
1090         if (len >= CRYPTO_MAX_ALG_NAME)
1091                 goto too_long;
1092         do {
1093                 const char *in_saved = in;
1094
1095                 while (*in && *in != '(' && *in != ')' && *in != ',')
1096                         *out++ = *in++;
1097                 if (*in != '(' && in > in_saved) {
1098                         len += 8;
1099                         if (len >= CRYPTO_MAX_ALG_NAME)
1100                                 goto too_long;
1101                         memcpy(out, "-generic", 8);
1102                         out += 8;
1103                 }
1104         } while ((*out++ = *in++) != '\0');
1105         return 0;
1106
1107 too_long:
1108         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1109                algname);
1110         return -ENAMETOOLONG;
1111 }
1112 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1113 static void crypto_disable_simd_for_test(void)
1114 {
1115 }
1116
1117 static void crypto_reenable_simd_for_test(void)
1118 {
1119 }
1120 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1121
1122 static int build_hash_sglist(struct test_sglist *tsgl,
1123                              const struct hash_testvec *vec,
1124                              const struct testvec_config *cfg,
1125                              unsigned int alignmask,
1126                              const struct test_sg_division *divs[XBUFSIZE])
1127 {
1128         struct kvec kv;
1129         struct iov_iter input;
1130
1131         kv.iov_base = (void *)vec->plaintext;
1132         kv.iov_len = vec->psize;
1133         iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1134         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1135                                  &input, divs);
1136 }
1137
1138 static int check_hash_result(const char *type,
1139                              const u8 *result, unsigned int digestsize,
1140                              const struct hash_testvec *vec,
1141                              const char *vec_name,
1142                              const char *driver,
1143                              const struct testvec_config *cfg)
1144 {
1145         if (memcmp(result, vec->digest, digestsize) != 0) {
1146                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1147                        type, driver, vec_name, cfg->name);
1148                 return -EINVAL;
1149         }
1150         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1151                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1152                        type, driver, vec_name, cfg->name);
1153                 return -EOVERFLOW;
1154         }
1155         return 0;
1156 }
1157
1158 static inline int check_shash_op(const char *op, int err,
1159                                  const char *driver, const char *vec_name,
1160                                  const struct testvec_config *cfg)
1161 {
1162         if (err)
1163                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1164                        driver, op, err, vec_name, cfg->name);
1165         return err;
1166 }
1167
1168 static inline const void *sg_data(struct scatterlist *sg)
1169 {
1170         return page_address(sg_page(sg)) + sg->offset;
1171 }
1172
1173 /* Test one hash test vector in one configuration, using the shash API */
1174 static int test_shash_vec_cfg(const char *driver,
1175                               const struct hash_testvec *vec,
1176                               const char *vec_name,
1177                               const struct testvec_config *cfg,
1178                               struct shash_desc *desc,
1179                               struct test_sglist *tsgl,
1180                               u8 *hashstate)
1181 {
1182         struct crypto_shash *tfm = desc->tfm;
1183         const unsigned int alignmask = crypto_shash_alignmask(tfm);
1184         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1185         const unsigned int statesize = crypto_shash_statesize(tfm);
1186         const struct test_sg_division *divs[XBUFSIZE];
1187         unsigned int i;
1188         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1189         int err;
1190
1191         /* Set the key, if specified */
1192         if (vec->ksize) {
1193                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1194                                 cfg, alignmask);
1195                 if (err) {
1196                         if (err == vec->setkey_error)
1197                                 return 0;
1198                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1199                                driver, vec_name, vec->setkey_error, err,
1200                                crypto_shash_get_flags(tfm));
1201                         return err;
1202                 }
1203                 if (vec->setkey_error) {
1204                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1205                                driver, vec_name, vec->setkey_error);
1206                         return -EINVAL;
1207                 }
1208         }
1209
1210         /* Build the scatterlist for the source data */
1211         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1212         if (err) {
1213                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1214                        driver, vec_name, cfg->name);
1215                 return err;
1216         }
1217
1218         /* Do the actual hashing */
1219
1220         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1221         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1222
1223         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1224             vec->digest_error) {
1225                 /* Just using digest() */
1226                 if (tsgl->nents != 1)
1227                         return 0;
1228                 if (cfg->nosimd)
1229                         crypto_disable_simd_for_test();
1230                 err = crypto_shash_digest(desc, sg_data(&tsgl->sgl[0]),
1231                                           tsgl->sgl[0].length, result);
1232                 if (cfg->nosimd)
1233                         crypto_reenable_simd_for_test();
1234                 if (err) {
1235                         if (err == vec->digest_error)
1236                                 return 0;
1237                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1238                                driver, vec_name, vec->digest_error, err,
1239                                cfg->name);
1240                         return err;
1241                 }
1242                 if (vec->digest_error) {
1243                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1244                                driver, vec_name, vec->digest_error, cfg->name);
1245                         return -EINVAL;
1246                 }
1247                 goto result_ready;
1248         }
1249
1250         /* Using init(), zero or more update(), then final() or finup() */
1251
1252         if (cfg->nosimd)
1253                 crypto_disable_simd_for_test();
1254         err = crypto_shash_init(desc);
1255         if (cfg->nosimd)
1256                 crypto_reenable_simd_for_test();
1257         err = check_shash_op("init", err, driver, vec_name, cfg);
1258         if (err)
1259                 return err;
1260
1261         for (i = 0; i < tsgl->nents; i++) {
1262                 if (i + 1 == tsgl->nents &&
1263                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1264                         if (divs[i]->nosimd)
1265                                 crypto_disable_simd_for_test();
1266                         err = crypto_shash_finup(desc, sg_data(&tsgl->sgl[i]),
1267                                                  tsgl->sgl[i].length, result);
1268                         if (divs[i]->nosimd)
1269                                 crypto_reenable_simd_for_test();
1270                         err = check_shash_op("finup", err, driver, vec_name,
1271                                              cfg);
1272                         if (err)
1273                                 return err;
1274                         goto result_ready;
1275                 }
1276                 if (divs[i]->nosimd)
1277                         crypto_disable_simd_for_test();
1278                 err = crypto_shash_update(desc, sg_data(&tsgl->sgl[i]),
1279                                           tsgl->sgl[i].length);
1280                 if (divs[i]->nosimd)
1281                         crypto_reenable_simd_for_test();
1282                 err = check_shash_op("update", err, driver, vec_name, cfg);
1283                 if (err)
1284                         return err;
1285                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1286                         /* Test ->export() and ->import() */
1287                         testmgr_poison(hashstate + statesize,
1288                                        TESTMGR_POISON_LEN);
1289                         err = crypto_shash_export(desc, hashstate);
1290                         err = check_shash_op("export", err, driver, vec_name,
1291                                              cfg);
1292                         if (err)
1293                                 return err;
1294                         if (!testmgr_is_poison(hashstate + statesize,
1295                                                TESTMGR_POISON_LEN)) {
1296                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1297                                        driver, vec_name, cfg->name);
1298                                 return -EOVERFLOW;
1299                         }
1300                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1301                         err = crypto_shash_import(desc, hashstate);
1302                         err = check_shash_op("import", err, driver, vec_name,
1303                                              cfg);
1304                         if (err)
1305                                 return err;
1306                 }
1307         }
1308
1309         if (cfg->nosimd)
1310                 crypto_disable_simd_for_test();
1311         err = crypto_shash_final(desc, result);
1312         if (cfg->nosimd)
1313                 crypto_reenable_simd_for_test();
1314         err = check_shash_op("final", err, driver, vec_name, cfg);
1315         if (err)
1316                 return err;
1317 result_ready:
1318         return check_hash_result("shash", result, digestsize, vec, vec_name,
1319                                  driver, cfg);
1320 }
1321
1322 static int do_ahash_op(int (*op)(struct ahash_request *req),
1323                        struct ahash_request *req,
1324                        struct crypto_wait *wait, bool nosimd)
1325 {
1326         int err;
1327
1328         if (nosimd)
1329                 crypto_disable_simd_for_test();
1330
1331         err = op(req);
1332
1333         if (nosimd)
1334                 crypto_reenable_simd_for_test();
1335
1336         return crypto_wait_req(err, wait);
1337 }
1338
1339 static int check_nonfinal_ahash_op(const char *op, int err,
1340                                    u8 *result, unsigned int digestsize,
1341                                    const char *driver, const char *vec_name,
1342                                    const struct testvec_config *cfg)
1343 {
1344         if (err) {
1345                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1346                        driver, op, err, vec_name, cfg->name);
1347                 return err;
1348         }
1349         if (!testmgr_is_poison(result, digestsize)) {
1350                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1351                        driver, op, vec_name, cfg->name);
1352                 return -EINVAL;
1353         }
1354         return 0;
1355 }
1356
1357 /* Test one hash test vector in one configuration, using the ahash API */
1358 static int test_ahash_vec_cfg(const char *driver,
1359                               const struct hash_testvec *vec,
1360                               const char *vec_name,
1361                               const struct testvec_config *cfg,
1362                               struct ahash_request *req,
1363                               struct test_sglist *tsgl,
1364                               u8 *hashstate)
1365 {
1366         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1367         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1368         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1369         const unsigned int statesize = crypto_ahash_statesize(tfm);
1370         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1371         const struct test_sg_division *divs[XBUFSIZE];
1372         DECLARE_CRYPTO_WAIT(wait);
1373         unsigned int i;
1374         struct scatterlist *pending_sgl;
1375         unsigned int pending_len;
1376         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1377         int err;
1378
1379         /* Set the key, if specified */
1380         if (vec->ksize) {
1381                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1382                                 cfg, alignmask);
1383                 if (err) {
1384                         if (err == vec->setkey_error)
1385                                 return 0;
1386                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1387                                driver, vec_name, vec->setkey_error, err,
1388                                crypto_ahash_get_flags(tfm));
1389                         return err;
1390                 }
1391                 if (vec->setkey_error) {
1392                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1393                                driver, vec_name, vec->setkey_error);
1394                         return -EINVAL;
1395                 }
1396         }
1397
1398         /* Build the scatterlist for the source data */
1399         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1400         if (err) {
1401                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1402                        driver, vec_name, cfg->name);
1403                 return err;
1404         }
1405
1406         /* Do the actual hashing */
1407
1408         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1409         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1410
1411         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1412             vec->digest_error) {
1413                 /* Just using digest() */
1414                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1415                                            &wait);
1416                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1417                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1418                 if (err) {
1419                         if (err == vec->digest_error)
1420                                 return 0;
1421                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1422                                driver, vec_name, vec->digest_error, err,
1423                                cfg->name);
1424                         return err;
1425                 }
1426                 if (vec->digest_error) {
1427                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1428                                driver, vec_name, vec->digest_error, cfg->name);
1429                         return -EINVAL;
1430                 }
1431                 goto result_ready;
1432         }
1433
1434         /* Using init(), zero or more update(), then final() or finup() */
1435
1436         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1437         ahash_request_set_crypt(req, NULL, result, 0);
1438         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1439         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1440                                       driver, vec_name, cfg);
1441         if (err)
1442                 return err;
1443
1444         pending_sgl = NULL;
1445         pending_len = 0;
1446         for (i = 0; i < tsgl->nents; i++) {
1447                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1448                     pending_sgl != NULL) {
1449                         /* update() with the pending data */
1450                         ahash_request_set_callback(req, req_flags,
1451                                                    crypto_req_done, &wait);
1452                         ahash_request_set_crypt(req, pending_sgl, result,
1453                                                 pending_len);
1454                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1455                                           divs[i]->nosimd);
1456                         err = check_nonfinal_ahash_op("update", err,
1457                                                       result, digestsize,
1458                                                       driver, vec_name, cfg);
1459                         if (err)
1460                                 return err;
1461                         pending_sgl = NULL;
1462                         pending_len = 0;
1463                 }
1464                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1465                         /* Test ->export() and ->import() */
1466                         testmgr_poison(hashstate + statesize,
1467                                        TESTMGR_POISON_LEN);
1468                         err = crypto_ahash_export(req, hashstate);
1469                         err = check_nonfinal_ahash_op("export", err,
1470                                                       result, digestsize,
1471                                                       driver, vec_name, cfg);
1472                         if (err)
1473                                 return err;
1474                         if (!testmgr_is_poison(hashstate + statesize,
1475                                                TESTMGR_POISON_LEN)) {
1476                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1477                                        driver, vec_name, cfg->name);
1478                                 return -EOVERFLOW;
1479                         }
1480
1481                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1482                         err = crypto_ahash_import(req, hashstate);
1483                         err = check_nonfinal_ahash_op("import", err,
1484                                                       result, digestsize,
1485                                                       driver, vec_name, cfg);
1486                         if (err)
1487                                 return err;
1488                 }
1489                 if (pending_sgl == NULL)
1490                         pending_sgl = &tsgl->sgl[i];
1491                 pending_len += tsgl->sgl[i].length;
1492         }
1493
1494         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1495         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1496         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1497                 /* finish with update() and final() */
1498                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1499                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1500                                               driver, vec_name, cfg);
1501                 if (err)
1502                         return err;
1503                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1504                 if (err) {
1505                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1506                                driver, err, vec_name, cfg->name);
1507                         return err;
1508                 }
1509         } else {
1510                 /* finish with finup() */
1511                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1512                 if (err) {
1513                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1514                                driver, err, vec_name, cfg->name);
1515                         return err;
1516                 }
1517         }
1518
1519 result_ready:
1520         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1521                                  driver, cfg);
1522 }
1523
1524 static int test_hash_vec_cfg(const char *driver,
1525                              const struct hash_testvec *vec,
1526                              const char *vec_name,
1527                              const struct testvec_config *cfg,
1528                              struct ahash_request *req,
1529                              struct shash_desc *desc,
1530                              struct test_sglist *tsgl,
1531                              u8 *hashstate)
1532 {
1533         int err;
1534
1535         /*
1536          * For algorithms implemented as "shash", most bugs will be detected by
1537          * both the shash and ahash tests.  Test the shash API first so that the
1538          * failures involve less indirection, so are easier to debug.
1539          */
1540
1541         if (desc) {
1542                 err = test_shash_vec_cfg(driver, vec, vec_name, cfg, desc, tsgl,
1543                                          hashstate);
1544                 if (err)
1545                         return err;
1546         }
1547
1548         return test_ahash_vec_cfg(driver, vec, vec_name, cfg, req, tsgl,
1549                                   hashstate);
1550 }
1551
1552 static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
1553                          unsigned int vec_num, struct ahash_request *req,
1554                          struct shash_desc *desc, struct test_sglist *tsgl,
1555                          u8 *hashstate)
1556 {
1557         char vec_name[16];
1558         unsigned int i;
1559         int err;
1560
1561         sprintf(vec_name, "%u", vec_num);
1562
1563         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1564                 err = test_hash_vec_cfg(driver, vec, vec_name,
1565                                         &default_hash_testvec_configs[i],
1566                                         req, desc, tsgl, hashstate);
1567                 if (err)
1568                         return err;
1569         }
1570
1571 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1572         if (!noextratests) {
1573                 struct testvec_config cfg;
1574                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1575
1576                 for (i = 0; i < fuzz_iterations; i++) {
1577                         generate_random_testvec_config(&cfg, cfgname,
1578                                                        sizeof(cfgname));
1579                         err = test_hash_vec_cfg(driver, vec, vec_name, &cfg,
1580                                                 req, desc, tsgl, hashstate);
1581                         if (err)
1582                                 return err;
1583                         cond_resched();
1584                 }
1585         }
1586 #endif
1587         return 0;
1588 }
1589
1590 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1591 /*
1592  * Generate a hash test vector from the given implementation.
1593  * Assumes the buffers in 'vec' were already allocated.
1594  */
1595 static void generate_random_hash_testvec(struct shash_desc *desc,
1596                                          struct hash_testvec *vec,
1597                                          unsigned int maxkeysize,
1598                                          unsigned int maxdatasize,
1599                                          char *name, size_t max_namelen)
1600 {
1601         /* Data */
1602         vec->psize = generate_random_length(maxdatasize);
1603         generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1604
1605         /*
1606          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1607          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1608          */
1609         vec->setkey_error = 0;
1610         vec->ksize = 0;
1611         if (maxkeysize) {
1612                 vec->ksize = maxkeysize;
1613                 if (prandom_u32() % 4 == 0)
1614                         vec->ksize = 1 + (prandom_u32() % maxkeysize);
1615                 generate_random_bytes((u8 *)vec->key, vec->ksize);
1616
1617                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1618                                                         vec->ksize);
1619                 /* If the key couldn't be set, no need to continue to digest. */
1620                 if (vec->setkey_error)
1621                         goto done;
1622         }
1623
1624         /* Digest */
1625         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1626                                                 vec->psize, (u8 *)vec->digest);
1627 done:
1628         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1629                  vec->psize, vec->ksize);
1630 }
1631
1632 /*
1633  * Test the hash algorithm represented by @req against the corresponding generic
1634  * implementation, if one is available.
1635  */
1636 static int test_hash_vs_generic_impl(const char *driver,
1637                                      const char *generic_driver,
1638                                      unsigned int maxkeysize,
1639                                      struct ahash_request *req,
1640                                      struct shash_desc *desc,
1641                                      struct test_sglist *tsgl,
1642                                      u8 *hashstate)
1643 {
1644         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1645         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1646         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1647         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1648         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1649         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1650         struct crypto_shash *generic_tfm = NULL;
1651         struct shash_desc *generic_desc = NULL;
1652         unsigned int i;
1653         struct hash_testvec vec = { 0 };
1654         char vec_name[64];
1655         struct testvec_config *cfg;
1656         char cfgname[TESTVEC_CONFIG_NAMELEN];
1657         int err;
1658
1659         if (noextratests)
1660                 return 0;
1661
1662         if (!generic_driver) { /* Use default naming convention? */
1663                 err = build_generic_driver_name(algname, _generic_driver);
1664                 if (err)
1665                         return err;
1666                 generic_driver = _generic_driver;
1667         }
1668
1669         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1670                 return 0;
1671
1672         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1673         if (IS_ERR(generic_tfm)) {
1674                 err = PTR_ERR(generic_tfm);
1675                 if (err == -ENOENT) {
1676                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1677                                 driver, generic_driver);
1678                         return 0;
1679                 }
1680                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1681                        generic_driver, algname, err);
1682                 return err;
1683         }
1684
1685         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1686         if (!cfg) {
1687                 err = -ENOMEM;
1688                 goto out;
1689         }
1690
1691         generic_desc = kzalloc(sizeof(*desc) +
1692                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1693         if (!generic_desc) {
1694                 err = -ENOMEM;
1695                 goto out;
1696         }
1697         generic_desc->tfm = generic_tfm;
1698
1699         /* Check the algorithm properties for consistency. */
1700
1701         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1702                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1703                        driver, digestsize,
1704                        crypto_shash_digestsize(generic_tfm));
1705                 err = -EINVAL;
1706                 goto out;
1707         }
1708
1709         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1710                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1711                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1712                 err = -EINVAL;
1713                 goto out;
1714         }
1715
1716         /*
1717          * Now generate test vectors using the generic implementation, and test
1718          * the other implementation against them.
1719          */
1720
1721         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1722         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1723         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1724         if (!vec.key || !vec.plaintext || !vec.digest) {
1725                 err = -ENOMEM;
1726                 goto out;
1727         }
1728
1729         for (i = 0; i < fuzz_iterations * 8; i++) {
1730                 generate_random_hash_testvec(generic_desc, &vec,
1731                                              maxkeysize, maxdatasize,
1732                                              vec_name, sizeof(vec_name));
1733                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1734
1735                 err = test_hash_vec_cfg(driver, &vec, vec_name, cfg,
1736                                         req, desc, tsgl, hashstate);
1737                 if (err)
1738                         goto out;
1739                 cond_resched();
1740         }
1741         err = 0;
1742 out:
1743         kfree(cfg);
1744         kfree(vec.key);
1745         kfree(vec.plaintext);
1746         kfree(vec.digest);
1747         crypto_free_shash(generic_tfm);
1748         kfree_sensitive(generic_desc);
1749         return err;
1750 }
1751 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1752 static int test_hash_vs_generic_impl(const char *driver,
1753                                      const char *generic_driver,
1754                                      unsigned int maxkeysize,
1755                                      struct ahash_request *req,
1756                                      struct shash_desc *desc,
1757                                      struct test_sglist *tsgl,
1758                                      u8 *hashstate)
1759 {
1760         return 0;
1761 }
1762 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1763
1764 static int alloc_shash(const char *driver, u32 type, u32 mask,
1765                        struct crypto_shash **tfm_ret,
1766                        struct shash_desc **desc_ret)
1767 {
1768         struct crypto_shash *tfm;
1769         struct shash_desc *desc;
1770
1771         tfm = crypto_alloc_shash(driver, type, mask);
1772         if (IS_ERR(tfm)) {
1773                 if (PTR_ERR(tfm) == -ENOENT) {
1774                         /*
1775                          * This algorithm is only available through the ahash
1776                          * API, not the shash API, so skip the shash tests.
1777                          */
1778                         return 0;
1779                 }
1780                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1781                        driver, PTR_ERR(tfm));
1782                 return PTR_ERR(tfm);
1783         }
1784
1785         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1786         if (!desc) {
1787                 crypto_free_shash(tfm);
1788                 return -ENOMEM;
1789         }
1790         desc->tfm = tfm;
1791
1792         *tfm_ret = tfm;
1793         *desc_ret = desc;
1794         return 0;
1795 }
1796
1797 static int __alg_test_hash(const struct hash_testvec *vecs,
1798                            unsigned int num_vecs, const char *driver,
1799                            u32 type, u32 mask,
1800                            const char *generic_driver, unsigned int maxkeysize)
1801 {
1802         struct crypto_ahash *atfm = NULL;
1803         struct ahash_request *req = NULL;
1804         struct crypto_shash *stfm = NULL;
1805         struct shash_desc *desc = NULL;
1806         struct test_sglist *tsgl = NULL;
1807         u8 *hashstate = NULL;
1808         unsigned int statesize;
1809         unsigned int i;
1810         int err;
1811
1812         /*
1813          * Always test the ahash API.  This works regardless of whether the
1814          * algorithm is implemented as ahash or shash.
1815          */
1816
1817         atfm = crypto_alloc_ahash(driver, type, mask);
1818         if (IS_ERR(atfm)) {
1819                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1820                        driver, PTR_ERR(atfm));
1821                 return PTR_ERR(atfm);
1822         }
1823
1824         req = ahash_request_alloc(atfm, GFP_KERNEL);
1825         if (!req) {
1826                 pr_err("alg: hash: failed to allocate request for %s\n",
1827                        driver);
1828                 err = -ENOMEM;
1829                 goto out;
1830         }
1831
1832         /*
1833          * If available also test the shash API, to cover corner cases that may
1834          * be missed by testing the ahash API only.
1835          */
1836         err = alloc_shash(driver, type, mask, &stfm, &desc);
1837         if (err)
1838                 goto out;
1839
1840         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1841         if (!tsgl || init_test_sglist(tsgl) != 0) {
1842                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1843                        driver);
1844                 kfree(tsgl);
1845                 tsgl = NULL;
1846                 err = -ENOMEM;
1847                 goto out;
1848         }
1849
1850         statesize = crypto_ahash_statesize(atfm);
1851         if (stfm)
1852                 statesize = max(statesize, crypto_shash_statesize(stfm));
1853         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1854         if (!hashstate) {
1855                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1856                        driver);
1857                 err = -ENOMEM;
1858                 goto out;
1859         }
1860
1861         for (i = 0; i < num_vecs; i++) {
1862                 err = test_hash_vec(driver, &vecs[i], i, req, desc, tsgl,
1863                                     hashstate);
1864                 if (err)
1865                         goto out;
1866                 cond_resched();
1867         }
1868         err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
1869                                         desc, tsgl, hashstate);
1870 out:
1871         kfree(hashstate);
1872         if (tsgl) {
1873                 destroy_test_sglist(tsgl);
1874                 kfree(tsgl);
1875         }
1876         kfree(desc);
1877         crypto_free_shash(stfm);
1878         ahash_request_free(req);
1879         crypto_free_ahash(atfm);
1880         return err;
1881 }
1882
1883 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1884                          u32 type, u32 mask)
1885 {
1886         const struct hash_testvec *template = desc->suite.hash.vecs;
1887         unsigned int tcount = desc->suite.hash.count;
1888         unsigned int nr_unkeyed, nr_keyed;
1889         unsigned int maxkeysize = 0;
1890         int err;
1891
1892         /*
1893          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1894          * first, before setting a key on the tfm.  To make this easier, we
1895          * require that the unkeyed test vectors (if any) are listed first.
1896          */
1897
1898         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1899                 if (template[nr_unkeyed].ksize)
1900                         break;
1901         }
1902         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1903                 if (!template[nr_unkeyed + nr_keyed].ksize) {
1904                         pr_err("alg: hash: test vectors for %s out of order, "
1905                                "unkeyed ones must come first\n", desc->alg);
1906                         return -EINVAL;
1907                 }
1908                 maxkeysize = max_t(unsigned int, maxkeysize,
1909                                    template[nr_unkeyed + nr_keyed].ksize);
1910         }
1911
1912         err = 0;
1913         if (nr_unkeyed) {
1914                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1915                                       desc->generic_driver, maxkeysize);
1916                 template += nr_unkeyed;
1917         }
1918
1919         if (!err && nr_keyed)
1920                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1921                                       desc->generic_driver, maxkeysize);
1922
1923         return err;
1924 }
1925
1926 static int test_aead_vec_cfg(const char *driver, int enc,
1927                              const struct aead_testvec *vec,
1928                              const char *vec_name,
1929                              const struct testvec_config *cfg,
1930                              struct aead_request *req,
1931                              struct cipher_test_sglists *tsgls)
1932 {
1933         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1934         const unsigned int alignmask = crypto_aead_alignmask(tfm);
1935         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1936         const unsigned int authsize = vec->clen - vec->plen;
1937         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1938         const char *op = enc ? "encryption" : "decryption";
1939         DECLARE_CRYPTO_WAIT(wait);
1940         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1941         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1942                  cfg->iv_offset +
1943                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1944         struct kvec input[2];
1945         int err;
1946
1947         /* Set the key */
1948         if (vec->wk)
1949                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1950         else
1951                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1952
1953         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1954                         cfg, alignmask);
1955         if (err && err != vec->setkey_error) {
1956                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1957                        driver, vec_name, vec->setkey_error, err,
1958                        crypto_aead_get_flags(tfm));
1959                 return err;
1960         }
1961         if (!err && vec->setkey_error) {
1962                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1963                        driver, vec_name, vec->setkey_error);
1964                 return -EINVAL;
1965         }
1966
1967         /* Set the authentication tag size */
1968         err = crypto_aead_setauthsize(tfm, authsize);
1969         if (err && err != vec->setauthsize_error) {
1970                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1971                        driver, vec_name, vec->setauthsize_error, err);
1972                 return err;
1973         }
1974         if (!err && vec->setauthsize_error) {
1975                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1976                        driver, vec_name, vec->setauthsize_error);
1977                 return -EINVAL;
1978         }
1979
1980         if (vec->setkey_error || vec->setauthsize_error)
1981                 return 0;
1982
1983         /* The IV must be copied to a buffer, as the algorithm may modify it */
1984         if (WARN_ON(ivsize > MAX_IVLEN))
1985                 return -EINVAL;
1986         if (vec->iv)
1987                 memcpy(iv, vec->iv, ivsize);
1988         else
1989                 memset(iv, 0, ivsize);
1990
1991         /* Build the src/dst scatterlists */
1992         input[0].iov_base = (void *)vec->assoc;
1993         input[0].iov_len = vec->alen;
1994         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1995         input[1].iov_len = enc ? vec->plen : vec->clen;
1996         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1997                                         vec->alen + (enc ? vec->plen :
1998                                                      vec->clen),
1999                                         vec->alen + (enc ? vec->clen :
2000                                                      vec->plen),
2001                                         input, 2);
2002         if (err) {
2003                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2004                        driver, op, vec_name, cfg->name);
2005                 return err;
2006         }
2007
2008         /* Do the actual encryption or decryption */
2009         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2010         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2011         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2012                                enc ? vec->plen : vec->clen, iv);
2013         aead_request_set_ad(req, vec->alen);
2014         if (cfg->nosimd)
2015                 crypto_disable_simd_for_test();
2016         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2017         if (cfg->nosimd)
2018                 crypto_reenable_simd_for_test();
2019         err = crypto_wait_req(err, &wait);
2020
2021         /* Check that the algorithm didn't overwrite things it shouldn't have */
2022         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2023             req->assoclen != vec->alen ||
2024             req->iv != iv ||
2025             req->src != tsgls->src.sgl_ptr ||
2026             req->dst != tsgls->dst.sgl_ptr ||
2027             crypto_aead_reqtfm(req) != tfm ||
2028             req->base.complete != crypto_req_done ||
2029             req->base.flags != req_flags ||
2030             req->base.data != &wait) {
2031                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2032                        driver, op, vec_name, cfg->name);
2033                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2034                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2035                 if (req->assoclen != vec->alen)
2036                         pr_err("alg: aead: changed 'req->assoclen'\n");
2037                 if (req->iv != iv)
2038                         pr_err("alg: aead: changed 'req->iv'\n");
2039                 if (req->src != tsgls->src.sgl_ptr)
2040                         pr_err("alg: aead: changed 'req->src'\n");
2041                 if (req->dst != tsgls->dst.sgl_ptr)
2042                         pr_err("alg: aead: changed 'req->dst'\n");
2043                 if (crypto_aead_reqtfm(req) != tfm)
2044                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2045                 if (req->base.complete != crypto_req_done)
2046                         pr_err("alg: aead: changed 'req->base.complete'\n");
2047                 if (req->base.flags != req_flags)
2048                         pr_err("alg: aead: changed 'req->base.flags'\n");
2049                 if (req->base.data != &wait)
2050                         pr_err("alg: aead: changed 'req->base.data'\n");
2051                 return -EINVAL;
2052         }
2053         if (is_test_sglist_corrupted(&tsgls->src)) {
2054                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2055                        driver, op, vec_name, cfg->name);
2056                 return -EINVAL;
2057         }
2058         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2059             is_test_sglist_corrupted(&tsgls->dst)) {
2060                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2061                        driver, op, vec_name, cfg->name);
2062                 return -EINVAL;
2063         }
2064
2065         /* Check for unexpected success or failure, or wrong error code */
2066         if ((err == 0 && vec->novrfy) ||
2067             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2068                 char expected_error[32];
2069
2070                 if (vec->novrfy &&
2071                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2072                         sprintf(expected_error, "-EBADMSG or %d",
2073                                 vec->crypt_error);
2074                 else if (vec->novrfy)
2075                         sprintf(expected_error, "-EBADMSG");
2076                 else
2077                         sprintf(expected_error, "%d", vec->crypt_error);
2078                 if (err) {
2079                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2080                                driver, op, vec_name, expected_error, err,
2081                                cfg->name);
2082                         return err;
2083                 }
2084                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2085                        driver, op, vec_name, expected_error, cfg->name);
2086                 return -EINVAL;
2087         }
2088         if (err) /* Expectedly failed. */
2089                 return 0;
2090
2091         /* Check for the correct output (ciphertext or plaintext) */
2092         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2093                                     enc ? vec->clen : vec->plen,
2094                                     vec->alen, enc || !cfg->inplace);
2095         if (err == -EOVERFLOW) {
2096                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2097                        driver, op, vec_name, cfg->name);
2098                 return err;
2099         }
2100         if (err) {
2101                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2102                        driver, op, vec_name, cfg->name);
2103                 return err;
2104         }
2105
2106         return 0;
2107 }
2108
2109 static int test_aead_vec(const char *driver, int enc,
2110                          const struct aead_testvec *vec, unsigned int vec_num,
2111                          struct aead_request *req,
2112                          struct cipher_test_sglists *tsgls)
2113 {
2114         char vec_name[16];
2115         unsigned int i;
2116         int err;
2117
2118         if (enc && vec->novrfy)
2119                 return 0;
2120
2121         sprintf(vec_name, "%u", vec_num);
2122
2123         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2124                 err = test_aead_vec_cfg(driver, enc, vec, vec_name,
2125                                         &default_cipher_testvec_configs[i],
2126                                         req, tsgls);
2127                 if (err)
2128                         return err;
2129         }
2130
2131 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2132         if (!noextratests) {
2133                 struct testvec_config cfg;
2134                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2135
2136                 for (i = 0; i < fuzz_iterations; i++) {
2137                         generate_random_testvec_config(&cfg, cfgname,
2138                                                        sizeof(cfgname));
2139                         err = test_aead_vec_cfg(driver, enc, vec, vec_name,
2140                                                 &cfg, req, tsgls);
2141                         if (err)
2142                                 return err;
2143                         cond_resched();
2144                 }
2145         }
2146 #endif
2147         return 0;
2148 }
2149
2150 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2151
2152 struct aead_extra_tests_ctx {
2153         struct aead_request *req;
2154         struct crypto_aead *tfm;
2155         const char *driver;
2156         const struct alg_test_desc *test_desc;
2157         struct cipher_test_sglists *tsgls;
2158         unsigned int maxdatasize;
2159         unsigned int maxkeysize;
2160
2161         struct aead_testvec vec;
2162         char vec_name[64];
2163         char cfgname[TESTVEC_CONFIG_NAMELEN];
2164         struct testvec_config cfg;
2165 };
2166
2167 /*
2168  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2169  * here means the full ciphertext including the authentication tag.  The
2170  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2171  */
2172 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2173                                 unsigned int ivsize)
2174 {
2175         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2176         const unsigned int authsize = vec->clen - vec->plen;
2177
2178         if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2179                  /* Mutate the AAD */
2180                 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2181                 if (prandom_u32() % 2 == 0)
2182                         return;
2183         }
2184         if (prandom_u32() % 2 == 0) {
2185                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2186                 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2187         } else {
2188                 /* Mutate any part of the ciphertext */
2189                 flip_random_bit((u8 *)vec->ctext, vec->clen);
2190         }
2191 }
2192
2193 /*
2194  * Minimum authentication tag size in bytes at which we assume that we can
2195  * reliably generate inauthentic messages, i.e. not generate an authentic
2196  * message by chance.
2197  */
2198 #define MIN_COLLISION_FREE_AUTHSIZE 8
2199
2200 static void generate_aead_message(struct aead_request *req,
2201                                   const struct aead_test_suite *suite,
2202                                   struct aead_testvec *vec,
2203                                   bool prefer_inauthentic)
2204 {
2205         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2206         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2207         const unsigned int authsize = vec->clen - vec->plen;
2208         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2209                                  (prefer_inauthentic || prandom_u32() % 4 == 0);
2210
2211         /* Generate the AAD. */
2212         generate_random_bytes((u8 *)vec->assoc, vec->alen);
2213         if (suite->aad_iv && vec->alen >= ivsize)
2214                 /* Avoid implementation-defined behavior. */
2215                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2216
2217         if (inauthentic && prandom_u32() % 2 == 0) {
2218                 /* Generate a random ciphertext. */
2219                 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2220         } else {
2221                 int i = 0;
2222                 struct scatterlist src[2], dst;
2223                 u8 iv[MAX_IVLEN];
2224                 DECLARE_CRYPTO_WAIT(wait);
2225
2226                 /* Generate a random plaintext and encrypt it. */
2227                 sg_init_table(src, 2);
2228                 if (vec->alen)
2229                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2230                 if (vec->plen) {
2231                         generate_random_bytes((u8 *)vec->ptext, vec->plen);
2232                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2233                 }
2234                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2235                 memcpy(iv, vec->iv, ivsize);
2236                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2237                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2238                 aead_request_set_ad(req, vec->alen);
2239                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2240                                                    &wait);
2241                 /* If encryption failed, we're done. */
2242                 if (vec->crypt_error != 0)
2243                         return;
2244                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2245                 if (!inauthentic)
2246                         return;
2247                 /*
2248                  * Mutate the authentic (ciphertext, AAD) pair to get an
2249                  * inauthentic one.
2250                  */
2251                 mutate_aead_message(vec, suite->aad_iv, ivsize);
2252         }
2253         vec->novrfy = 1;
2254         if (suite->einval_allowed)
2255                 vec->crypt_error = -EINVAL;
2256 }
2257
2258 /*
2259  * Generate an AEAD test vector 'vec' using the implementation specified by
2260  * 'req'.  The buffers in 'vec' must already be allocated.
2261  *
2262  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2263  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2264  */
2265 static void generate_random_aead_testvec(struct aead_request *req,
2266                                          struct aead_testvec *vec,
2267                                          const struct aead_test_suite *suite,
2268                                          unsigned int maxkeysize,
2269                                          unsigned int maxdatasize,
2270                                          char *name, size_t max_namelen,
2271                                          bool prefer_inauthentic)
2272 {
2273         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2274         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2275         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2276         unsigned int authsize;
2277         unsigned int total_len;
2278
2279         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2280         vec->klen = maxkeysize;
2281         if (prandom_u32() % 4 == 0)
2282                 vec->klen = prandom_u32() % (maxkeysize + 1);
2283         generate_random_bytes((u8 *)vec->key, vec->klen);
2284         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2285
2286         /* IV */
2287         generate_random_bytes((u8 *)vec->iv, ivsize);
2288
2289         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2290         authsize = maxauthsize;
2291         if (prandom_u32() % 4 == 0)
2292                 authsize = prandom_u32() % (maxauthsize + 1);
2293         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2294                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2295         if (WARN_ON(authsize > maxdatasize))
2296                 authsize = maxdatasize;
2297         maxdatasize -= authsize;
2298         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2299
2300         /* AAD, plaintext, and ciphertext lengths */
2301         total_len = generate_random_length(maxdatasize);
2302         if (prandom_u32() % 4 == 0)
2303                 vec->alen = 0;
2304         else
2305                 vec->alen = generate_random_length(total_len);
2306         vec->plen = total_len - vec->alen;
2307         vec->clen = vec->plen + authsize;
2308
2309         /*
2310          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2311          * key or the authentication tag size couldn't be set.
2312          */
2313         vec->novrfy = 0;
2314         vec->crypt_error = 0;
2315         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2316                 generate_aead_message(req, suite, vec, prefer_inauthentic);
2317         snprintf(name, max_namelen,
2318                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2319                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2320 }
2321
2322 static void try_to_generate_inauthentic_testvec(
2323                                         struct aead_extra_tests_ctx *ctx)
2324 {
2325         int i;
2326
2327         for (i = 0; i < 10; i++) {
2328                 generate_random_aead_testvec(ctx->req, &ctx->vec,
2329                                              &ctx->test_desc->suite.aead,
2330                                              ctx->maxkeysize, ctx->maxdatasize,
2331                                              ctx->vec_name,
2332                                              sizeof(ctx->vec_name), true);
2333                 if (ctx->vec.novrfy)
2334                         return;
2335         }
2336 }
2337
2338 /*
2339  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2340  * result of an encryption with the key) and verify that decryption fails.
2341  */
2342 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2343 {
2344         unsigned int i;
2345         int err;
2346
2347         for (i = 0; i < fuzz_iterations * 8; i++) {
2348                 /*
2349                  * Since this part of the tests isn't comparing the
2350                  * implementation to another, there's no point in testing any
2351                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2352                  *
2353                  * If we're having trouble generating such a test vector, e.g.
2354                  * if the algorithm keeps rejecting the generated keys, don't
2355                  * retry forever; just continue on.
2356                  */
2357                 try_to_generate_inauthentic_testvec(ctx);
2358                 if (ctx->vec.novrfy) {
2359                         generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2360                                                        sizeof(ctx->cfgname));
2361                         err = test_aead_vec_cfg(ctx->driver, DECRYPT, &ctx->vec,
2362                                                 ctx->vec_name, &ctx->cfg,
2363                                                 ctx->req, ctx->tsgls);
2364                         if (err)
2365                                 return err;
2366                 }
2367                 cond_resched();
2368         }
2369         return 0;
2370 }
2371
2372 /*
2373  * Test the AEAD algorithm against the corresponding generic implementation, if
2374  * one is available.
2375  */
2376 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2377 {
2378         struct crypto_aead *tfm = ctx->tfm;
2379         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2380         const char *driver = ctx->driver;
2381         const char *generic_driver = ctx->test_desc->generic_driver;
2382         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2383         struct crypto_aead *generic_tfm = NULL;
2384         struct aead_request *generic_req = NULL;
2385         unsigned int i;
2386         int err;
2387
2388         if (!generic_driver) { /* Use default naming convention? */
2389                 err = build_generic_driver_name(algname, _generic_driver);
2390                 if (err)
2391                         return err;
2392                 generic_driver = _generic_driver;
2393         }
2394
2395         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2396                 return 0;
2397
2398         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2399         if (IS_ERR(generic_tfm)) {
2400                 err = PTR_ERR(generic_tfm);
2401                 if (err == -ENOENT) {
2402                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2403                                 driver, generic_driver);
2404                         return 0;
2405                 }
2406                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2407                        generic_driver, algname, err);
2408                 return err;
2409         }
2410
2411         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2412         if (!generic_req) {
2413                 err = -ENOMEM;
2414                 goto out;
2415         }
2416
2417         /* Check the algorithm properties for consistency. */
2418
2419         if (crypto_aead_maxauthsize(tfm) !=
2420             crypto_aead_maxauthsize(generic_tfm)) {
2421                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2422                        driver, crypto_aead_maxauthsize(tfm),
2423                        crypto_aead_maxauthsize(generic_tfm));
2424                 err = -EINVAL;
2425                 goto out;
2426         }
2427
2428         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2429                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2430                        driver, crypto_aead_ivsize(tfm),
2431                        crypto_aead_ivsize(generic_tfm));
2432                 err = -EINVAL;
2433                 goto out;
2434         }
2435
2436         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2437                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2438                        driver, crypto_aead_blocksize(tfm),
2439                        crypto_aead_blocksize(generic_tfm));
2440                 err = -EINVAL;
2441                 goto out;
2442         }
2443
2444         /*
2445          * Now generate test vectors using the generic implementation, and test
2446          * the other implementation against them.
2447          */
2448         for (i = 0; i < fuzz_iterations * 8; i++) {
2449                 generate_random_aead_testvec(generic_req, &ctx->vec,
2450                                              &ctx->test_desc->suite.aead,
2451                                              ctx->maxkeysize, ctx->maxdatasize,
2452                                              ctx->vec_name,
2453                                              sizeof(ctx->vec_name), false);
2454                 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2455                                                sizeof(ctx->cfgname));
2456                 if (!ctx->vec.novrfy) {
2457                         err = test_aead_vec_cfg(driver, ENCRYPT, &ctx->vec,
2458                                                 ctx->vec_name, &ctx->cfg,
2459                                                 ctx->req, ctx->tsgls);
2460                         if (err)
2461                                 goto out;
2462                 }
2463                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2464                         err = test_aead_vec_cfg(driver, DECRYPT, &ctx->vec,
2465                                                 ctx->vec_name, &ctx->cfg,
2466                                                 ctx->req, ctx->tsgls);
2467                         if (err)
2468                                 goto out;
2469                 }
2470                 cond_resched();
2471         }
2472         err = 0;
2473 out:
2474         crypto_free_aead(generic_tfm);
2475         aead_request_free(generic_req);
2476         return err;
2477 }
2478
2479 static int test_aead_extra(const char *driver,
2480                            const struct alg_test_desc *test_desc,
2481                            struct aead_request *req,
2482                            struct cipher_test_sglists *tsgls)
2483 {
2484         struct aead_extra_tests_ctx *ctx;
2485         unsigned int i;
2486         int err;
2487
2488         if (noextratests)
2489                 return 0;
2490
2491         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2492         if (!ctx)
2493                 return -ENOMEM;
2494         ctx->req = req;
2495         ctx->tfm = crypto_aead_reqtfm(req);
2496         ctx->driver = driver;
2497         ctx->test_desc = test_desc;
2498         ctx->tsgls = tsgls;
2499         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2500         ctx->maxkeysize = 0;
2501         for (i = 0; i < test_desc->suite.aead.count; i++)
2502                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2503                                         test_desc->suite.aead.vecs[i].klen);
2504
2505         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2506         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2507         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2508         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2509         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2510         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2511             !ctx->vec.ptext || !ctx->vec.ctext) {
2512                 err = -ENOMEM;
2513                 goto out;
2514         }
2515
2516         err = test_aead_vs_generic_impl(ctx);
2517         if (err)
2518                 goto out;
2519
2520         err = test_aead_inauthentic_inputs(ctx);
2521 out:
2522         kfree(ctx->vec.key);
2523         kfree(ctx->vec.iv);
2524         kfree(ctx->vec.assoc);
2525         kfree(ctx->vec.ptext);
2526         kfree(ctx->vec.ctext);
2527         kfree(ctx);
2528         return err;
2529 }
2530 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2531 static int test_aead_extra(const char *driver,
2532                            const struct alg_test_desc *test_desc,
2533                            struct aead_request *req,
2534                            struct cipher_test_sglists *tsgls)
2535 {
2536         return 0;
2537 }
2538 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2539
2540 static int test_aead(const char *driver, int enc,
2541                      const struct aead_test_suite *suite,
2542                      struct aead_request *req,
2543                      struct cipher_test_sglists *tsgls)
2544 {
2545         unsigned int i;
2546         int err;
2547
2548         for (i = 0; i < suite->count; i++) {
2549                 err = test_aead_vec(driver, enc, &suite->vecs[i], i, req,
2550                                     tsgls);
2551                 if (err)
2552                         return err;
2553                 cond_resched();
2554         }
2555         return 0;
2556 }
2557
2558 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2559                          u32 type, u32 mask)
2560 {
2561         const struct aead_test_suite *suite = &desc->suite.aead;
2562         struct crypto_aead *tfm;
2563         struct aead_request *req = NULL;
2564         struct cipher_test_sglists *tsgls = NULL;
2565         int err;
2566
2567         if (suite->count <= 0) {
2568                 pr_err("alg: aead: empty test suite for %s\n", driver);
2569                 return -EINVAL;
2570         }
2571
2572         tfm = crypto_alloc_aead(driver, type, mask);
2573         if (IS_ERR(tfm)) {
2574                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2575                        driver, PTR_ERR(tfm));
2576                 return PTR_ERR(tfm);
2577         }
2578
2579         req = aead_request_alloc(tfm, GFP_KERNEL);
2580         if (!req) {
2581                 pr_err("alg: aead: failed to allocate request for %s\n",
2582                        driver);
2583                 err = -ENOMEM;
2584                 goto out;
2585         }
2586
2587         tsgls = alloc_cipher_test_sglists();
2588         if (!tsgls) {
2589                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2590                        driver);
2591                 err = -ENOMEM;
2592                 goto out;
2593         }
2594
2595         err = test_aead(driver, ENCRYPT, suite, req, tsgls);
2596         if (err)
2597                 goto out;
2598
2599         err = test_aead(driver, DECRYPT, suite, req, tsgls);
2600         if (err)
2601                 goto out;
2602
2603         err = test_aead_extra(driver, desc, req, tsgls);
2604 out:
2605         free_cipher_test_sglists(tsgls);
2606         aead_request_free(req);
2607         crypto_free_aead(tfm);
2608         return err;
2609 }
2610
2611 static int test_cipher(struct crypto_cipher *tfm, int enc,
2612                        const struct cipher_testvec *template,
2613                        unsigned int tcount)
2614 {
2615         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2616         unsigned int i, j, k;
2617         char *q;
2618         const char *e;
2619         const char *input, *result;
2620         void *data;
2621         char *xbuf[XBUFSIZE];
2622         int ret = -ENOMEM;
2623
2624         if (testmgr_alloc_buf(xbuf))
2625                 goto out_nobuf;
2626
2627         if (enc == ENCRYPT)
2628                 e = "encryption";
2629         else
2630                 e = "decryption";
2631
2632         j = 0;
2633         for (i = 0; i < tcount; i++) {
2634
2635                 if (fips_enabled && template[i].fips_skip)
2636                         continue;
2637
2638                 input  = enc ? template[i].ptext : template[i].ctext;
2639                 result = enc ? template[i].ctext : template[i].ptext;
2640                 j++;
2641
2642                 ret = -EINVAL;
2643                 if (WARN_ON(template[i].len > PAGE_SIZE))
2644                         goto out;
2645
2646                 data = xbuf[0];
2647                 memcpy(data, input, template[i].len);
2648
2649                 crypto_cipher_clear_flags(tfm, ~0);
2650                 if (template[i].wk)
2651                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2652
2653                 ret = crypto_cipher_setkey(tfm, template[i].key,
2654                                            template[i].klen);
2655                 if (ret) {
2656                         if (ret == template[i].setkey_error)
2657                                 continue;
2658                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2659                                algo, j, template[i].setkey_error, ret,
2660                                crypto_cipher_get_flags(tfm));
2661                         goto out;
2662                 }
2663                 if (template[i].setkey_error) {
2664                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2665                                algo, j, template[i].setkey_error);
2666                         ret = -EINVAL;
2667                         goto out;
2668                 }
2669
2670                 for (k = 0; k < template[i].len;
2671                      k += crypto_cipher_blocksize(tfm)) {
2672                         if (enc)
2673                                 crypto_cipher_encrypt_one(tfm, data + k,
2674                                                           data + k);
2675                         else
2676                                 crypto_cipher_decrypt_one(tfm, data + k,
2677                                                           data + k);
2678                 }
2679
2680                 q = data;
2681                 if (memcmp(q, result, template[i].len)) {
2682                         printk(KERN_ERR "alg: cipher: Test %d failed "
2683                                "on %s for %s\n", j, e, algo);
2684                         hexdump(q, template[i].len);
2685                         ret = -EINVAL;
2686                         goto out;
2687                 }
2688         }
2689
2690         ret = 0;
2691
2692 out:
2693         testmgr_free_buf(xbuf);
2694 out_nobuf:
2695         return ret;
2696 }
2697
2698 static int test_skcipher_vec_cfg(const char *driver, int enc,
2699                                  const struct cipher_testvec *vec,
2700                                  const char *vec_name,
2701                                  const struct testvec_config *cfg,
2702                                  struct skcipher_request *req,
2703                                  struct cipher_test_sglists *tsgls)
2704 {
2705         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2706         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2707         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2708         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2709         const char *op = enc ? "encryption" : "decryption";
2710         DECLARE_CRYPTO_WAIT(wait);
2711         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2712         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2713                  cfg->iv_offset +
2714                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2715         struct kvec input;
2716         int err;
2717
2718         /* Set the key */
2719         if (vec->wk)
2720                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2721         else
2722                 crypto_skcipher_clear_flags(tfm,
2723                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2724         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2725                         cfg, alignmask);
2726         if (err) {
2727                 if (err == vec->setkey_error)
2728                         return 0;
2729                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2730                        driver, vec_name, vec->setkey_error, err,
2731                        crypto_skcipher_get_flags(tfm));
2732                 return err;
2733         }
2734         if (vec->setkey_error) {
2735                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2736                        driver, vec_name, vec->setkey_error);
2737                 return -EINVAL;
2738         }
2739
2740         /* The IV must be copied to a buffer, as the algorithm may modify it */
2741         if (ivsize) {
2742                 if (WARN_ON(ivsize > MAX_IVLEN))
2743                         return -EINVAL;
2744                 if (vec->generates_iv && !enc)
2745                         memcpy(iv, vec->iv_out, ivsize);
2746                 else if (vec->iv)
2747                         memcpy(iv, vec->iv, ivsize);
2748                 else
2749                         memset(iv, 0, ivsize);
2750         } else {
2751                 if (vec->generates_iv) {
2752                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2753                                driver, vec_name);
2754                         return -EINVAL;
2755                 }
2756                 iv = NULL;
2757         }
2758
2759         /* Build the src/dst scatterlists */
2760         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2761         input.iov_len = vec->len;
2762         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2763                                         vec->len, vec->len, &input, 1);
2764         if (err) {
2765                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2766                        driver, op, vec_name, cfg->name);
2767                 return err;
2768         }
2769
2770         /* Do the actual encryption or decryption */
2771         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2772         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2773         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2774                                    vec->len, iv);
2775         if (cfg->nosimd)
2776                 crypto_disable_simd_for_test();
2777         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2778         if (cfg->nosimd)
2779                 crypto_reenable_simd_for_test();
2780         err = crypto_wait_req(err, &wait);
2781
2782         /* Check that the algorithm didn't overwrite things it shouldn't have */
2783         if (req->cryptlen != vec->len ||
2784             req->iv != iv ||
2785             req->src != tsgls->src.sgl_ptr ||
2786             req->dst != tsgls->dst.sgl_ptr ||
2787             crypto_skcipher_reqtfm(req) != tfm ||
2788             req->base.complete != crypto_req_done ||
2789             req->base.flags != req_flags ||
2790             req->base.data != &wait) {
2791                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2792                        driver, op, vec_name, cfg->name);
2793                 if (req->cryptlen != vec->len)
2794                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2795                 if (req->iv != iv)
2796                         pr_err("alg: skcipher: changed 'req->iv'\n");
2797                 if (req->src != tsgls->src.sgl_ptr)
2798                         pr_err("alg: skcipher: changed 'req->src'\n");
2799                 if (req->dst != tsgls->dst.sgl_ptr)
2800                         pr_err("alg: skcipher: changed 'req->dst'\n");
2801                 if (crypto_skcipher_reqtfm(req) != tfm)
2802                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2803                 if (req->base.complete != crypto_req_done)
2804                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2805                 if (req->base.flags != req_flags)
2806                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2807                 if (req->base.data != &wait)
2808                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2809                 return -EINVAL;
2810         }
2811         if (is_test_sglist_corrupted(&tsgls->src)) {
2812                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2813                        driver, op, vec_name, cfg->name);
2814                 return -EINVAL;
2815         }
2816         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2817             is_test_sglist_corrupted(&tsgls->dst)) {
2818                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2819                        driver, op, vec_name, cfg->name);
2820                 return -EINVAL;
2821         }
2822
2823         /* Check for success or failure */
2824         if (err) {
2825                 if (err == vec->crypt_error)
2826                         return 0;
2827                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2828                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2829                 return err;
2830         }
2831         if (vec->crypt_error) {
2832                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2833                        driver, op, vec_name, vec->crypt_error, cfg->name);
2834                 return -EINVAL;
2835         }
2836
2837         /* Check for the correct output (ciphertext or plaintext) */
2838         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2839                                     vec->len, 0, true);
2840         if (err == -EOVERFLOW) {
2841                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2842                        driver, op, vec_name, cfg->name);
2843                 return err;
2844         }
2845         if (err) {
2846                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2847                        driver, op, vec_name, cfg->name);
2848                 return err;
2849         }
2850
2851         /* If applicable, check that the algorithm generated the correct IV */
2852         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2853                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2854                        driver, op, vec_name, cfg->name);
2855                 hexdump(iv, ivsize);
2856                 return -EINVAL;
2857         }
2858
2859         return 0;
2860 }
2861
2862 static int test_skcipher_vec(const char *driver, int enc,
2863                              const struct cipher_testvec *vec,
2864                              unsigned int vec_num,
2865                              struct skcipher_request *req,
2866                              struct cipher_test_sglists *tsgls)
2867 {
2868         char vec_name[16];
2869         unsigned int i;
2870         int err;
2871
2872         if (fips_enabled && vec->fips_skip)
2873                 return 0;
2874
2875         sprintf(vec_name, "%u", vec_num);
2876
2877         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2878                 err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2879                                             &default_cipher_testvec_configs[i],
2880                                             req, tsgls);
2881                 if (err)
2882                         return err;
2883         }
2884
2885 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2886         if (!noextratests) {
2887                 struct testvec_config cfg;
2888                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2889
2890                 for (i = 0; i < fuzz_iterations; i++) {
2891                         generate_random_testvec_config(&cfg, cfgname,
2892                                                        sizeof(cfgname));
2893                         err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2894                                                     &cfg, req, tsgls);
2895                         if (err)
2896                                 return err;
2897                         cond_resched();
2898                 }
2899         }
2900 #endif
2901         return 0;
2902 }
2903
2904 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2905 /*
2906  * Generate a symmetric cipher test vector from the given implementation.
2907  * Assumes the buffers in 'vec' were already allocated.
2908  */
2909 static void generate_random_cipher_testvec(struct skcipher_request *req,
2910                                            struct cipher_testvec *vec,
2911                                            unsigned int maxdatasize,
2912                                            char *name, size_t max_namelen)
2913 {
2914         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2915         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2916         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2917         struct scatterlist src, dst;
2918         u8 iv[MAX_IVLEN];
2919         DECLARE_CRYPTO_WAIT(wait);
2920
2921         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2922         vec->klen = maxkeysize;
2923         if (prandom_u32() % 4 == 0)
2924                 vec->klen = prandom_u32() % (maxkeysize + 1);
2925         generate_random_bytes((u8 *)vec->key, vec->klen);
2926         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2927
2928         /* IV */
2929         generate_random_bytes((u8 *)vec->iv, ivsize);
2930
2931         /* Plaintext */
2932         vec->len = generate_random_length(maxdatasize);
2933         generate_random_bytes((u8 *)vec->ptext, vec->len);
2934
2935         /* If the key couldn't be set, no need to continue to encrypt. */
2936         if (vec->setkey_error)
2937                 goto done;
2938
2939         /* Ciphertext */
2940         sg_init_one(&src, vec->ptext, vec->len);
2941         sg_init_one(&dst, vec->ctext, vec->len);
2942         memcpy(iv, vec->iv, ivsize);
2943         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2944         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2945         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2946         if (vec->crypt_error != 0) {
2947                 /*
2948                  * The only acceptable error here is for an invalid length, so
2949                  * skcipher decryption should fail with the same error too.
2950                  * We'll test for this.  But to keep the API usage well-defined,
2951                  * explicitly initialize the ciphertext buffer too.
2952                  */
2953                 memset((u8 *)vec->ctext, 0, vec->len);
2954         }
2955 done:
2956         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2957                  vec->len, vec->klen);
2958 }
2959
2960 /*
2961  * Test the skcipher algorithm represented by @req against the corresponding
2962  * generic implementation, if one is available.
2963  */
2964 static int test_skcipher_vs_generic_impl(const char *driver,
2965                                          const char *generic_driver,
2966                                          struct skcipher_request *req,
2967                                          struct cipher_test_sglists *tsgls)
2968 {
2969         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2970         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2971         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2972         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2973         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2974         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2975         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2976         struct crypto_skcipher *generic_tfm = NULL;
2977         struct skcipher_request *generic_req = NULL;
2978         unsigned int i;
2979         struct cipher_testvec vec = { 0 };
2980         char vec_name[64];
2981         struct testvec_config *cfg;
2982         char cfgname[TESTVEC_CONFIG_NAMELEN];
2983         int err;
2984
2985         if (noextratests)
2986                 return 0;
2987
2988         /* Keywrap isn't supported here yet as it handles its IV differently. */
2989         if (strncmp(algname, "kw(", 3) == 0)
2990                 return 0;
2991
2992         if (!generic_driver) { /* Use default naming convention? */
2993                 err = build_generic_driver_name(algname, _generic_driver);
2994                 if (err)
2995                         return err;
2996                 generic_driver = _generic_driver;
2997         }
2998
2999         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3000                 return 0;
3001
3002         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3003         if (IS_ERR(generic_tfm)) {
3004                 err = PTR_ERR(generic_tfm);
3005                 if (err == -ENOENT) {
3006                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3007                                 driver, generic_driver);
3008                         return 0;
3009                 }
3010                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3011                        generic_driver, algname, err);
3012                 return err;
3013         }
3014
3015         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3016         if (!cfg) {
3017                 err = -ENOMEM;
3018                 goto out;
3019         }
3020
3021         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3022         if (!generic_req) {
3023                 err = -ENOMEM;
3024                 goto out;
3025         }
3026
3027         /* Check the algorithm properties for consistency. */
3028
3029         if (crypto_skcipher_min_keysize(tfm) !=
3030             crypto_skcipher_min_keysize(generic_tfm)) {
3031                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3032                        driver, crypto_skcipher_min_keysize(tfm),
3033                        crypto_skcipher_min_keysize(generic_tfm));
3034                 err = -EINVAL;
3035                 goto out;
3036         }
3037
3038         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3039                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3040                        driver, maxkeysize,
3041                        crypto_skcipher_max_keysize(generic_tfm));
3042                 err = -EINVAL;
3043                 goto out;
3044         }
3045
3046         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3047                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3048                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3049                 err = -EINVAL;
3050                 goto out;
3051         }
3052
3053         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3054                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3055                        driver, blocksize,
3056                        crypto_skcipher_blocksize(generic_tfm));
3057                 err = -EINVAL;
3058                 goto out;
3059         }
3060
3061         /*
3062          * Now generate test vectors using the generic implementation, and test
3063          * the other implementation against them.
3064          */
3065
3066         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3067         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3068         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3069         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3070         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3071                 err = -ENOMEM;
3072                 goto out;
3073         }
3074
3075         for (i = 0; i < fuzz_iterations * 8; i++) {
3076                 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3077                                                vec_name, sizeof(vec_name));
3078                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3079
3080                 err = test_skcipher_vec_cfg(driver, ENCRYPT, &vec, vec_name,
3081                                             cfg, req, tsgls);
3082                 if (err)
3083                         goto out;
3084                 err = test_skcipher_vec_cfg(driver, DECRYPT, &vec, vec_name,
3085                                             cfg, req, tsgls);
3086                 if (err)
3087                         goto out;
3088                 cond_resched();
3089         }
3090         err = 0;
3091 out:
3092         kfree(cfg);
3093         kfree(vec.key);
3094         kfree(vec.iv);
3095         kfree(vec.ptext);
3096         kfree(vec.ctext);
3097         crypto_free_skcipher(generic_tfm);
3098         skcipher_request_free(generic_req);
3099         return err;
3100 }
3101 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3102 static int test_skcipher_vs_generic_impl(const char *driver,
3103                                          const char *generic_driver,
3104                                          struct skcipher_request *req,
3105                                          struct cipher_test_sglists *tsgls)
3106 {
3107         return 0;
3108 }
3109 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3110
3111 static int test_skcipher(const char *driver, int enc,
3112                          const struct cipher_test_suite *suite,
3113                          struct skcipher_request *req,
3114                          struct cipher_test_sglists *tsgls)
3115 {
3116         unsigned int i;
3117         int err;
3118
3119         for (i = 0; i < suite->count; i++) {
3120                 err = test_skcipher_vec(driver, enc, &suite->vecs[i], i, req,
3121                                         tsgls);
3122                 if (err)
3123                         return err;
3124                 cond_resched();
3125         }
3126         return 0;
3127 }
3128
3129 static int alg_test_skcipher(const struct alg_test_desc *desc,
3130                              const char *driver, u32 type, u32 mask)
3131 {
3132         const struct cipher_test_suite *suite = &desc->suite.cipher;
3133         struct crypto_skcipher *tfm;
3134         struct skcipher_request *req = NULL;
3135         struct cipher_test_sglists *tsgls = NULL;
3136         int err;
3137
3138         if (suite->count <= 0) {
3139                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3140                 return -EINVAL;
3141         }
3142
3143         tfm = crypto_alloc_skcipher(driver, type, mask);
3144         if (IS_ERR(tfm)) {
3145                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3146                        driver, PTR_ERR(tfm));
3147                 return PTR_ERR(tfm);
3148         }
3149
3150         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3151         if (!req) {
3152                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3153                        driver);
3154                 err = -ENOMEM;
3155                 goto out;
3156         }
3157
3158         tsgls = alloc_cipher_test_sglists();
3159         if (!tsgls) {
3160                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3161                        driver);
3162                 err = -ENOMEM;
3163                 goto out;
3164         }
3165
3166         err = test_skcipher(driver, ENCRYPT, suite, req, tsgls);
3167         if (err)
3168                 goto out;
3169
3170         err = test_skcipher(driver, DECRYPT, suite, req, tsgls);
3171         if (err)
3172                 goto out;
3173
3174         err = test_skcipher_vs_generic_impl(driver, desc->generic_driver, req,
3175                                             tsgls);
3176 out:
3177         free_cipher_test_sglists(tsgls);
3178         skcipher_request_free(req);
3179         crypto_free_skcipher(tfm);
3180         return err;
3181 }
3182
3183 static int test_comp(struct crypto_comp *tfm,
3184                      const struct comp_testvec *ctemplate,
3185                      const struct comp_testvec *dtemplate,
3186                      int ctcount, int dtcount)
3187 {
3188         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3189         char *output, *decomp_output;
3190         unsigned int i;
3191         int ret;
3192
3193         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3194         if (!output)
3195                 return -ENOMEM;
3196
3197         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3198         if (!decomp_output) {
3199                 kfree(output);
3200                 return -ENOMEM;
3201         }
3202
3203         for (i = 0; i < ctcount; i++) {
3204                 int ilen;
3205                 unsigned int dlen = COMP_BUF_SIZE;
3206
3207                 memset(output, 0, COMP_BUF_SIZE);
3208                 memset(decomp_output, 0, COMP_BUF_SIZE);
3209
3210                 ilen = ctemplate[i].inlen;
3211                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3212                                            ilen, output, &dlen);
3213                 if (ret) {
3214                         printk(KERN_ERR "alg: comp: compression failed "
3215                                "on test %d for %s: ret=%d\n", i + 1, algo,
3216                                -ret);
3217                         goto out;
3218                 }
3219
3220                 ilen = dlen;
3221                 dlen = COMP_BUF_SIZE;
3222                 ret = crypto_comp_decompress(tfm, output,
3223                                              ilen, decomp_output, &dlen);
3224                 if (ret) {
3225                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3226                                i + 1, algo, -ret);
3227                         goto out;
3228                 }
3229
3230                 if (dlen != ctemplate[i].inlen) {
3231                         printk(KERN_ERR "alg: comp: Compression test %d "
3232                                "failed for %s: output len = %d\n", i + 1, algo,
3233                                dlen);
3234                         ret = -EINVAL;
3235                         goto out;
3236                 }
3237
3238                 if (memcmp(decomp_output, ctemplate[i].input,
3239                            ctemplate[i].inlen)) {
3240                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3241                                i + 1, algo);
3242                         hexdump(decomp_output, dlen);
3243                         ret = -EINVAL;
3244                         goto out;
3245                 }
3246         }
3247
3248         for (i = 0; i < dtcount; i++) {
3249                 int ilen;
3250                 unsigned int dlen = COMP_BUF_SIZE;
3251
3252                 memset(decomp_output, 0, COMP_BUF_SIZE);
3253
3254                 ilen = dtemplate[i].inlen;
3255                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3256                                              ilen, decomp_output, &dlen);
3257                 if (ret) {
3258                         printk(KERN_ERR "alg: comp: decompression failed "
3259                                "on test %d for %s: ret=%d\n", i + 1, algo,
3260                                -ret);
3261                         goto out;
3262                 }
3263
3264                 if (dlen != dtemplate[i].outlen) {
3265                         printk(KERN_ERR "alg: comp: Decompression test %d "
3266                                "failed for %s: output len = %d\n", i + 1, algo,
3267                                dlen);
3268                         ret = -EINVAL;
3269                         goto out;
3270                 }
3271
3272                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3273                         printk(KERN_ERR "alg: comp: Decompression test %d "
3274                                "failed for %s\n", i + 1, algo);
3275                         hexdump(decomp_output, dlen);
3276                         ret = -EINVAL;
3277                         goto out;
3278                 }
3279         }
3280
3281         ret = 0;
3282
3283 out:
3284         kfree(decomp_output);
3285         kfree(output);
3286         return ret;
3287 }
3288
3289 static int test_acomp(struct crypto_acomp *tfm,
3290                               const struct comp_testvec *ctemplate,
3291                       const struct comp_testvec *dtemplate,
3292                       int ctcount, int dtcount)
3293 {
3294         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3295         unsigned int i;
3296         char *output, *decomp_out;
3297         int ret;
3298         struct scatterlist src, dst;
3299         struct acomp_req *req;
3300         struct crypto_wait wait;
3301
3302         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3303         if (!output)
3304                 return -ENOMEM;
3305
3306         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3307         if (!decomp_out) {
3308                 kfree(output);
3309                 return -ENOMEM;
3310         }
3311
3312         for (i = 0; i < ctcount; i++) {
3313                 unsigned int dlen = COMP_BUF_SIZE;
3314                 int ilen = ctemplate[i].inlen;
3315                 void *input_vec;
3316
3317                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3318                 if (!input_vec) {
3319                         ret = -ENOMEM;
3320                         goto out;
3321                 }
3322
3323                 memset(output, 0, dlen);
3324                 crypto_init_wait(&wait);
3325                 sg_init_one(&src, input_vec, ilen);
3326                 sg_init_one(&dst, output, dlen);
3327
3328                 req = acomp_request_alloc(tfm);
3329                 if (!req) {
3330                         pr_err("alg: acomp: request alloc failed for %s\n",
3331                                algo);
3332                         kfree(input_vec);
3333                         ret = -ENOMEM;
3334                         goto out;
3335                 }
3336
3337                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3338                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3339                                            crypto_req_done, &wait);
3340
3341                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3342                 if (ret) {
3343                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3344                                i + 1, algo, -ret);
3345                         kfree(input_vec);
3346                         acomp_request_free(req);
3347                         goto out;
3348                 }
3349
3350                 ilen = req->dlen;
3351                 dlen = COMP_BUF_SIZE;
3352                 sg_init_one(&src, output, ilen);
3353                 sg_init_one(&dst, decomp_out, dlen);
3354                 crypto_init_wait(&wait);
3355                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3356
3357                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3358                 if (ret) {
3359                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3360                                i + 1, algo, -ret);
3361                         kfree(input_vec);
3362                         acomp_request_free(req);
3363                         goto out;
3364                 }
3365
3366                 if (req->dlen != ctemplate[i].inlen) {
3367                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3368                                i + 1, algo, req->dlen);
3369                         ret = -EINVAL;
3370                         kfree(input_vec);
3371                         acomp_request_free(req);
3372                         goto out;
3373                 }
3374
3375                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3376                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3377                                i + 1, algo);
3378                         hexdump(output, req->dlen);
3379                         ret = -EINVAL;
3380                         kfree(input_vec);
3381                         acomp_request_free(req);
3382                         goto out;
3383                 }
3384
3385                 kfree(input_vec);
3386                 acomp_request_free(req);
3387         }
3388
3389         for (i = 0; i < dtcount; i++) {
3390                 unsigned int dlen = COMP_BUF_SIZE;
3391                 int ilen = dtemplate[i].inlen;
3392                 void *input_vec;
3393
3394                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3395                 if (!input_vec) {
3396                         ret = -ENOMEM;
3397                         goto out;
3398                 }
3399
3400                 memset(output, 0, dlen);
3401                 crypto_init_wait(&wait);
3402                 sg_init_one(&src, input_vec, ilen);
3403                 sg_init_one(&dst, output, dlen);
3404
3405                 req = acomp_request_alloc(tfm);
3406                 if (!req) {
3407                         pr_err("alg: acomp: request alloc failed for %s\n",
3408                                algo);
3409                         kfree(input_vec);
3410                         ret = -ENOMEM;
3411                         goto out;
3412                 }
3413
3414                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3415                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3416                                            crypto_req_done, &wait);
3417
3418                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3419                 if (ret) {
3420                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3421                                i + 1, algo, -ret);
3422                         kfree(input_vec);
3423                         acomp_request_free(req);
3424                         goto out;
3425                 }
3426
3427                 if (req->dlen != dtemplate[i].outlen) {
3428                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3429                                i + 1, algo, req->dlen);
3430                         ret = -EINVAL;
3431                         kfree(input_vec);
3432                         acomp_request_free(req);
3433                         goto out;
3434                 }
3435
3436                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3437                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3438                                i + 1, algo);
3439                         hexdump(output, req->dlen);
3440                         ret = -EINVAL;
3441                         kfree(input_vec);
3442                         acomp_request_free(req);
3443                         goto out;
3444                 }
3445
3446                 kfree(input_vec);
3447                 acomp_request_free(req);
3448         }
3449
3450         ret = 0;
3451
3452 out:
3453         kfree(decomp_out);
3454         kfree(output);
3455         return ret;
3456 }
3457
3458 static int test_cprng(struct crypto_rng *tfm,
3459                       const struct cprng_testvec *template,
3460                       unsigned int tcount)
3461 {
3462         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3463         int err = 0, i, j, seedsize;
3464         u8 *seed;
3465         char result[32];
3466
3467         seedsize = crypto_rng_seedsize(tfm);
3468
3469         seed = kmalloc(seedsize, GFP_KERNEL);
3470         if (!seed) {
3471                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3472                        "for %s\n", algo);
3473                 return -ENOMEM;
3474         }
3475
3476         for (i = 0; i < tcount; i++) {
3477                 memset(result, 0, 32);
3478
3479                 memcpy(seed, template[i].v, template[i].vlen);
3480                 memcpy(seed + template[i].vlen, template[i].key,
3481                        template[i].klen);
3482                 memcpy(seed + template[i].vlen + template[i].klen,
3483                        template[i].dt, template[i].dtlen);
3484
3485                 err = crypto_rng_reset(tfm, seed, seedsize);
3486                 if (err) {
3487                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3488                                "for %s\n", algo);
3489                         goto out;
3490                 }
3491
3492                 for (j = 0; j < template[i].loops; j++) {
3493                         err = crypto_rng_get_bytes(tfm, result,
3494                                                    template[i].rlen);
3495                         if (err < 0) {
3496                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3497                                        "the correct amount of random data for "
3498                                        "%s (requested %d)\n", algo,
3499                                        template[i].rlen);
3500                                 goto out;
3501                         }
3502                 }
3503
3504                 err = memcmp(result, template[i].result,
3505                              template[i].rlen);
3506                 if (err) {
3507                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3508                                i, algo);
3509                         hexdump(result, template[i].rlen);
3510                         err = -EINVAL;
3511                         goto out;
3512                 }
3513         }
3514
3515 out:
3516         kfree(seed);
3517         return err;
3518 }
3519
3520 static int alg_test_cipher(const struct alg_test_desc *desc,
3521                            const char *driver, u32 type, u32 mask)
3522 {
3523         const struct cipher_test_suite *suite = &desc->suite.cipher;
3524         struct crypto_cipher *tfm;
3525         int err;
3526
3527         tfm = crypto_alloc_cipher(driver, type, mask);
3528         if (IS_ERR(tfm)) {
3529                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3530                        "%s: %ld\n", driver, PTR_ERR(tfm));
3531                 return PTR_ERR(tfm);
3532         }
3533
3534         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3535         if (!err)
3536                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3537
3538         crypto_free_cipher(tfm);
3539         return err;
3540 }
3541
3542 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3543                          u32 type, u32 mask)
3544 {
3545         struct crypto_comp *comp;
3546         struct crypto_acomp *acomp;
3547         int err;
3548         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3549
3550         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3551                 acomp = crypto_alloc_acomp(driver, type, mask);
3552                 if (IS_ERR(acomp)) {
3553                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3554                                driver, PTR_ERR(acomp));
3555                         return PTR_ERR(acomp);
3556                 }
3557                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3558                                  desc->suite.comp.decomp.vecs,
3559                                  desc->suite.comp.comp.count,
3560                                  desc->suite.comp.decomp.count);
3561                 crypto_free_acomp(acomp);
3562         } else {
3563                 comp = crypto_alloc_comp(driver, type, mask);
3564                 if (IS_ERR(comp)) {
3565                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3566                                driver, PTR_ERR(comp));
3567                         return PTR_ERR(comp);
3568                 }
3569
3570                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3571                                 desc->suite.comp.decomp.vecs,
3572                                 desc->suite.comp.comp.count,
3573                                 desc->suite.comp.decomp.count);
3574
3575                 crypto_free_comp(comp);
3576         }
3577         return err;
3578 }
3579
3580 static int alg_test_crc32c(const struct alg_test_desc *desc,
3581                            const char *driver, u32 type, u32 mask)
3582 {
3583         struct crypto_shash *tfm;
3584         __le32 val;
3585         int err;
3586
3587         err = alg_test_hash(desc, driver, type, mask);
3588         if (err)
3589                 return err;
3590
3591         tfm = crypto_alloc_shash(driver, type, mask);
3592         if (IS_ERR(tfm)) {
3593                 if (PTR_ERR(tfm) == -ENOENT) {
3594                         /*
3595                          * This crc32c implementation is only available through
3596                          * ahash API, not the shash API, so the remaining part
3597                          * of the test is not applicable to it.
3598                          */
3599                         return 0;
3600                 }
3601                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3602                        "%ld\n", driver, PTR_ERR(tfm));
3603                 return PTR_ERR(tfm);
3604         }
3605
3606         do {
3607                 SHASH_DESC_ON_STACK(shash, tfm);
3608                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3609
3610                 shash->tfm = tfm;
3611
3612                 *ctx = 420553207;
3613                 err = crypto_shash_final(shash, (u8 *)&val);
3614                 if (err) {
3615                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3616                                "%s: %d\n", driver, err);
3617                         break;
3618                 }
3619
3620                 if (val != cpu_to_le32(~420553207)) {
3621                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3622                                driver, le32_to_cpu(val));
3623                         err = -EINVAL;
3624                 }
3625         } while (0);
3626
3627         crypto_free_shash(tfm);
3628
3629         return err;
3630 }
3631
3632 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3633                           u32 type, u32 mask)
3634 {
3635         struct crypto_rng *rng;
3636         int err;
3637
3638         rng = crypto_alloc_rng(driver, type, mask);
3639         if (IS_ERR(rng)) {
3640                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3641                        "%ld\n", driver, PTR_ERR(rng));
3642                 return PTR_ERR(rng);
3643         }
3644
3645         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3646
3647         crypto_free_rng(rng);
3648
3649         return err;
3650 }
3651
3652
3653 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3654                           const char *driver, u32 type, u32 mask)
3655 {
3656         int ret = -EAGAIN;
3657         struct crypto_rng *drng;
3658         struct drbg_test_data test_data;
3659         struct drbg_string addtl, pers, testentropy;
3660         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3661
3662         if (!buf)
3663                 return -ENOMEM;
3664
3665         drng = crypto_alloc_rng(driver, type, mask);
3666         if (IS_ERR(drng)) {
3667                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3668                        "%s\n", driver);
3669                 kfree_sensitive(buf);
3670                 return -ENOMEM;
3671         }
3672
3673         test_data.testentropy = &testentropy;
3674         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3675         drbg_string_fill(&pers, test->pers, test->perslen);
3676         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3677         if (ret) {
3678                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3679                 goto outbuf;
3680         }
3681
3682         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3683         if (pr) {
3684                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3685                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3686                         buf, test->expectedlen, &addtl, &test_data);
3687         } else {
3688                 ret = crypto_drbg_get_bytes_addtl(drng,
3689                         buf, test->expectedlen, &addtl);
3690         }
3691         if (ret < 0) {
3692                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3693                        "driver %s\n", driver);
3694                 goto outbuf;
3695         }
3696
3697         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3698         if (pr) {
3699                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3700                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3701                         buf, test->expectedlen, &addtl, &test_data);
3702         } else {
3703                 ret = crypto_drbg_get_bytes_addtl(drng,
3704                         buf, test->expectedlen, &addtl);
3705         }
3706         if (ret < 0) {
3707                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3708                        "driver %s\n", driver);
3709                 goto outbuf;
3710         }
3711
3712         ret = memcmp(test->expected, buf, test->expectedlen);
3713
3714 outbuf:
3715         crypto_free_rng(drng);
3716         kfree_sensitive(buf);
3717         return ret;
3718 }
3719
3720
3721 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3722                          u32 type, u32 mask)
3723 {
3724         int err = 0;
3725         int pr = 0;
3726         int i = 0;
3727         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3728         unsigned int tcount = desc->suite.drbg.count;
3729
3730         if (0 == memcmp(driver, "drbg_pr_", 8))
3731                 pr = 1;
3732
3733         for (i = 0; i < tcount; i++) {
3734                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3735                 if (err) {
3736                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3737                                i, driver);
3738                         err = -EINVAL;
3739                         break;
3740                 }
3741         }
3742         return err;
3743
3744 }
3745
3746 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3747                        const char *alg)
3748 {
3749         struct kpp_request *req;
3750         void *input_buf = NULL;
3751         void *output_buf = NULL;
3752         void *a_public = NULL;
3753         void *a_ss = NULL;
3754         void *shared_secret = NULL;
3755         struct crypto_wait wait;
3756         unsigned int out_len_max;
3757         int err = -ENOMEM;
3758         struct scatterlist src, dst;
3759
3760         req = kpp_request_alloc(tfm, GFP_KERNEL);
3761         if (!req)
3762                 return err;
3763
3764         crypto_init_wait(&wait);
3765
3766         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3767         if (err < 0)
3768                 goto free_req;
3769
3770         out_len_max = crypto_kpp_maxsize(tfm);
3771         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3772         if (!output_buf) {
3773                 err = -ENOMEM;
3774                 goto free_req;
3775         }
3776
3777         /* Use appropriate parameter as base */
3778         kpp_request_set_input(req, NULL, 0);
3779         sg_init_one(&dst, output_buf, out_len_max);
3780         kpp_request_set_output(req, &dst, out_len_max);
3781         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3782                                  crypto_req_done, &wait);
3783
3784         /* Compute party A's public key */
3785         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3786         if (err) {
3787                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3788                        alg, err);
3789                 goto free_output;
3790         }
3791
3792         if (vec->genkey) {
3793                 /* Save party A's public key */
3794                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3795                 if (!a_public) {
3796                         err = -ENOMEM;
3797                         goto free_output;
3798                 }
3799         } else {
3800                 /* Verify calculated public key */
3801                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3802                            vec->expected_a_public_size)) {
3803                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3804                                alg);
3805                         err = -EINVAL;
3806                         goto free_output;
3807                 }
3808         }
3809
3810         /* Calculate shared secret key by using counter part (b) public key. */
3811         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3812         if (!input_buf) {
3813                 err = -ENOMEM;
3814                 goto free_output;
3815         }
3816
3817         sg_init_one(&src, input_buf, vec->b_public_size);
3818         sg_init_one(&dst, output_buf, out_len_max);
3819         kpp_request_set_input(req, &src, vec->b_public_size);
3820         kpp_request_set_output(req, &dst, out_len_max);
3821         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3822                                  crypto_req_done, &wait);
3823         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3824         if (err) {
3825                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3826                        alg, err);
3827                 goto free_all;
3828         }
3829
3830         if (vec->genkey) {
3831                 /* Save the shared secret obtained by party A */
3832                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3833                 if (!a_ss) {
3834                         err = -ENOMEM;
3835                         goto free_all;
3836                 }
3837
3838                 /*
3839                  * Calculate party B's shared secret by using party A's
3840                  * public key.
3841                  */
3842                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3843                                             vec->b_secret_size);
3844                 if (err < 0)
3845                         goto free_all;
3846
3847                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3848                 sg_init_one(&dst, output_buf, out_len_max);
3849                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3850                 kpp_request_set_output(req, &dst, out_len_max);
3851                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3852                                          crypto_req_done, &wait);
3853                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3854                                       &wait);
3855                 if (err) {
3856                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3857                                alg, err);
3858                         goto free_all;
3859                 }
3860
3861                 shared_secret = a_ss;
3862         } else {
3863                 shared_secret = (void *)vec->expected_ss;
3864         }
3865
3866         /*
3867          * verify shared secret from which the user will derive
3868          * secret key by executing whatever hash it has chosen
3869          */
3870         if (memcmp(shared_secret, sg_virt(req->dst),
3871                    vec->expected_ss_size)) {
3872                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3873                        alg);
3874                 err = -EINVAL;
3875         }
3876
3877 free_all:
3878         kfree(a_ss);
3879         kfree(input_buf);
3880 free_output:
3881         kfree(a_public);
3882         kfree(output_buf);
3883 free_req:
3884         kpp_request_free(req);
3885         return err;
3886 }
3887
3888 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3889                     const struct kpp_testvec *vecs, unsigned int tcount)
3890 {
3891         int ret, i;
3892
3893         for (i = 0; i < tcount; i++) {
3894                 ret = do_test_kpp(tfm, vecs++, alg);
3895                 if (ret) {
3896                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
3897                                alg, i + 1, ret);
3898                         return ret;
3899                 }
3900         }
3901         return 0;
3902 }
3903
3904 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3905                         u32 type, u32 mask)
3906 {
3907         struct crypto_kpp *tfm;
3908         int err = 0;
3909
3910         tfm = crypto_alloc_kpp(driver, type, mask);
3911         if (IS_ERR(tfm)) {
3912                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3913                        driver, PTR_ERR(tfm));
3914                 return PTR_ERR(tfm);
3915         }
3916         if (desc->suite.kpp.vecs)
3917                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3918                                desc->suite.kpp.count);
3919
3920         crypto_free_kpp(tfm);
3921         return err;
3922 }
3923
3924 static u8 *test_pack_u32(u8 *dst, u32 val)
3925 {
3926         memcpy(dst, &val, sizeof(val));
3927         return dst + sizeof(val);
3928 }
3929
3930 static int test_akcipher_one(struct crypto_akcipher *tfm,
3931                              const struct akcipher_testvec *vecs)
3932 {
3933         char *xbuf[XBUFSIZE];
3934         struct akcipher_request *req;
3935         void *outbuf_enc = NULL;
3936         void *outbuf_dec = NULL;
3937         struct crypto_wait wait;
3938         unsigned int out_len_max, out_len = 0;
3939         int err = -ENOMEM;
3940         struct scatterlist src, dst, src_tab[3];
3941         const char *m, *c;
3942         unsigned int m_size, c_size;
3943         const char *op;
3944         u8 *key, *ptr;
3945
3946         if (testmgr_alloc_buf(xbuf))
3947                 return err;
3948
3949         req = akcipher_request_alloc(tfm, GFP_KERNEL);
3950         if (!req)
3951                 goto free_xbuf;
3952
3953         crypto_init_wait(&wait);
3954
3955         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3956                       GFP_KERNEL);
3957         if (!key)
3958                 goto free_req;
3959         memcpy(key, vecs->key, vecs->key_len);
3960         ptr = key + vecs->key_len;
3961         ptr = test_pack_u32(ptr, vecs->algo);
3962         ptr = test_pack_u32(ptr, vecs->param_len);
3963         memcpy(ptr, vecs->params, vecs->param_len);
3964
3965         if (vecs->public_key_vec)
3966                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3967         else
3968                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3969         if (err)
3970                 goto free_key;
3971
3972         /*
3973          * First run test which do not require a private key, such as
3974          * encrypt or verify.
3975          */
3976         err = -ENOMEM;
3977         out_len_max = crypto_akcipher_maxsize(tfm);
3978         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3979         if (!outbuf_enc)
3980                 goto free_key;
3981
3982         if (!vecs->siggen_sigver_test) {
3983                 m = vecs->m;
3984                 m_size = vecs->m_size;
3985                 c = vecs->c;
3986                 c_size = vecs->c_size;
3987                 op = "encrypt";
3988         } else {
3989                 /* Swap args so we could keep plaintext (digest)
3990                  * in vecs->m, and cooked signature in vecs->c.
3991                  */
3992                 m = vecs->c; /* signature */
3993                 m_size = vecs->c_size;
3994                 c = vecs->m; /* digest */
3995                 c_size = vecs->m_size;
3996                 op = "verify";
3997         }
3998
3999         err = -E2BIG;
4000         if (WARN_ON(m_size > PAGE_SIZE))
4001                 goto free_all;
4002         memcpy(xbuf[0], m, m_size);
4003
4004         sg_init_table(src_tab, 3);
4005         sg_set_buf(&src_tab[0], xbuf[0], 8);
4006         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4007         if (vecs->siggen_sigver_test) {
4008                 if (WARN_ON(c_size > PAGE_SIZE))
4009                         goto free_all;
4010                 memcpy(xbuf[1], c, c_size);
4011                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4012                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4013         } else {
4014                 sg_init_one(&dst, outbuf_enc, out_len_max);
4015                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4016                                            out_len_max);
4017         }
4018         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4019                                       crypto_req_done, &wait);
4020
4021         err = crypto_wait_req(vecs->siggen_sigver_test ?
4022                               /* Run asymmetric signature verification */
4023                               crypto_akcipher_verify(req) :
4024                               /* Run asymmetric encrypt */
4025                               crypto_akcipher_encrypt(req), &wait);
4026         if (err) {
4027                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4028                 goto free_all;
4029         }
4030         if (!vecs->siggen_sigver_test && c) {
4031                 if (req->dst_len != c_size) {
4032                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4033                                op);
4034                         err = -EINVAL;
4035                         goto free_all;
4036                 }
4037                 /* verify that encrypted message is equal to expected */
4038                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4039                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4040                                op);
4041                         hexdump(outbuf_enc, c_size);
4042                         err = -EINVAL;
4043                         goto free_all;
4044                 }
4045         }
4046
4047         /*
4048          * Don't invoke (decrypt or sign) test which require a private key
4049          * for vectors with only a public key.
4050          */
4051         if (vecs->public_key_vec) {
4052                 err = 0;
4053                 goto free_all;
4054         }
4055         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4056         if (!outbuf_dec) {
4057                 err = -ENOMEM;
4058                 goto free_all;
4059         }
4060
4061         if (!vecs->siggen_sigver_test && !c) {
4062                 c = outbuf_enc;
4063                 c_size = req->dst_len;
4064         }
4065
4066         err = -E2BIG;
4067         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4068         if (WARN_ON(c_size > PAGE_SIZE))
4069                 goto free_all;
4070         memcpy(xbuf[0], c, c_size);
4071
4072         sg_init_one(&src, xbuf[0], c_size);
4073         sg_init_one(&dst, outbuf_dec, out_len_max);
4074         crypto_init_wait(&wait);
4075         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4076
4077         err = crypto_wait_req(vecs->siggen_sigver_test ?
4078                               /* Run asymmetric signature generation */
4079                               crypto_akcipher_sign(req) :
4080                               /* Run asymmetric decrypt */
4081                               crypto_akcipher_decrypt(req), &wait);
4082         if (err) {
4083                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4084                 goto free_all;
4085         }
4086         out_len = req->dst_len;
4087         if (out_len < m_size) {
4088                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4089                        op, out_len);
4090                 err = -EINVAL;
4091                 goto free_all;
4092         }
4093         /* verify that decrypted message is equal to the original msg */
4094         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4095             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4096                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4097                 hexdump(outbuf_dec, out_len);
4098                 err = -EINVAL;
4099         }
4100 free_all:
4101         kfree(outbuf_dec);
4102         kfree(outbuf_enc);
4103 free_key:
4104         kfree(key);
4105 free_req:
4106         akcipher_request_free(req);
4107 free_xbuf:
4108         testmgr_free_buf(xbuf);
4109         return err;
4110 }
4111
4112 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4113                          const struct akcipher_testvec *vecs,
4114                          unsigned int tcount)
4115 {
4116         const char *algo =
4117                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4118         int ret, i;
4119
4120         for (i = 0; i < tcount; i++) {
4121                 ret = test_akcipher_one(tfm, vecs++);
4122                 if (!ret)
4123                         continue;
4124
4125                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4126                        i + 1, algo, ret);
4127                 return ret;
4128         }
4129         return 0;
4130 }
4131
4132 static int alg_test_akcipher(const struct alg_test_desc *desc,
4133                              const char *driver, u32 type, u32 mask)
4134 {
4135         struct crypto_akcipher *tfm;
4136         int err = 0;
4137
4138         tfm = crypto_alloc_akcipher(driver, type, mask);
4139         if (IS_ERR(tfm)) {
4140                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4141                        driver, PTR_ERR(tfm));
4142                 return PTR_ERR(tfm);
4143         }
4144         if (desc->suite.akcipher.vecs)
4145                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4146                                     desc->suite.akcipher.count);
4147
4148         crypto_free_akcipher(tfm);
4149         return err;
4150 }
4151
4152 static int alg_test_null(const struct alg_test_desc *desc,
4153                              const char *driver, u32 type, u32 mask)
4154 {
4155         return 0;
4156 }
4157
4158 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4159 #define __VECS(tv)      { ____VECS(tv) }
4160
4161 /* Please keep this list sorted by algorithm name. */
4162 static const struct alg_test_desc alg_test_descs[] = {
4163         {
4164                 .alg = "adiantum(xchacha12,aes)",
4165                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4166                 .test = alg_test_skcipher,
4167                 .suite = {
4168                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4169                 },
4170         }, {
4171                 .alg = "adiantum(xchacha20,aes)",
4172                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4173                 .test = alg_test_skcipher,
4174                 .suite = {
4175                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4176                 },
4177         }, {
4178                 .alg = "aegis128",
4179                 .test = alg_test_aead,
4180                 .suite = {
4181                         .aead = __VECS(aegis128_tv_template)
4182                 }
4183         }, {
4184                 .alg = "ansi_cprng",
4185                 .test = alg_test_cprng,
4186                 .suite = {
4187                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4188                 }
4189         }, {
4190                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4191                 .test = alg_test_aead,
4192                 .suite = {
4193                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4194                 }
4195         }, {
4196                 .alg = "authenc(hmac(sha1),cbc(aes))",
4197                 .test = alg_test_aead,
4198                 .fips_allowed = 1,
4199                 .suite = {
4200                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4201                 }
4202         }, {
4203                 .alg = "authenc(hmac(sha1),cbc(des))",
4204                 .test = alg_test_aead,
4205                 .suite = {
4206                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4207                 }
4208         }, {
4209                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4210                 .test = alg_test_aead,
4211                 .fips_allowed = 1,
4212                 .suite = {
4213                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4214                 }
4215         }, {
4216                 .alg = "authenc(hmac(sha1),ctr(aes))",
4217                 .test = alg_test_null,
4218                 .fips_allowed = 1,
4219         }, {
4220                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4221                 .test = alg_test_aead,
4222                 .suite = {
4223                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4224                 }
4225         }, {
4226                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4227                 .test = alg_test_null,
4228                 .fips_allowed = 1,
4229         }, {
4230                 .alg = "authenc(hmac(sha224),cbc(des))",
4231                 .test = alg_test_aead,
4232                 .suite = {
4233                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4234                 }
4235         }, {
4236                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4237                 .test = alg_test_aead,
4238                 .fips_allowed = 1,
4239                 .suite = {
4240                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4241                 }
4242         }, {
4243                 .alg = "authenc(hmac(sha256),cbc(aes))",
4244                 .test = alg_test_aead,
4245                 .fips_allowed = 1,
4246                 .suite = {
4247                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4248                 }
4249         }, {
4250                 .alg = "authenc(hmac(sha256),cbc(des))",
4251                 .test = alg_test_aead,
4252                 .suite = {
4253                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4254                 }
4255         }, {
4256                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4257                 .test = alg_test_aead,
4258                 .fips_allowed = 1,
4259                 .suite = {
4260                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4261                 }
4262         }, {
4263                 .alg = "authenc(hmac(sha256),ctr(aes))",
4264                 .test = alg_test_null,
4265                 .fips_allowed = 1,
4266         }, {
4267                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4268                 .test = alg_test_null,
4269                 .fips_allowed = 1,
4270         }, {
4271                 .alg = "authenc(hmac(sha384),cbc(des))",
4272                 .test = alg_test_aead,
4273                 .suite = {
4274                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4275                 }
4276         }, {
4277                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4278                 .test = alg_test_aead,
4279                 .fips_allowed = 1,
4280                 .suite = {
4281                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4282                 }
4283         }, {
4284                 .alg = "authenc(hmac(sha384),ctr(aes))",
4285                 .test = alg_test_null,
4286                 .fips_allowed = 1,
4287         }, {
4288                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4289                 .test = alg_test_null,
4290                 .fips_allowed = 1,
4291         }, {
4292                 .alg = "authenc(hmac(sha512),cbc(aes))",
4293                 .fips_allowed = 1,
4294                 .test = alg_test_aead,
4295                 .suite = {
4296                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4297                 }
4298         }, {
4299                 .alg = "authenc(hmac(sha512),cbc(des))",
4300                 .test = alg_test_aead,
4301                 .suite = {
4302                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4303                 }
4304         }, {
4305                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4306                 .test = alg_test_aead,
4307                 .fips_allowed = 1,
4308                 .suite = {
4309                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4310                 }
4311         }, {
4312                 .alg = "authenc(hmac(sha512),ctr(aes))",
4313                 .test = alg_test_null,
4314                 .fips_allowed = 1,
4315         }, {
4316                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4317                 .test = alg_test_null,
4318                 .fips_allowed = 1,
4319         }, {
4320                 .alg = "blake2b-160",
4321                 .test = alg_test_hash,
4322                 .fips_allowed = 0,
4323                 .suite = {
4324                         .hash = __VECS(blake2b_160_tv_template)
4325                 }
4326         }, {
4327                 .alg = "blake2b-256",
4328                 .test = alg_test_hash,
4329                 .fips_allowed = 0,
4330                 .suite = {
4331                         .hash = __VECS(blake2b_256_tv_template)
4332                 }
4333         }, {
4334                 .alg = "blake2b-384",
4335                 .test = alg_test_hash,
4336                 .fips_allowed = 0,
4337                 .suite = {
4338                         .hash = __VECS(blake2b_384_tv_template)
4339                 }
4340         }, {
4341                 .alg = "blake2b-512",
4342                 .test = alg_test_hash,
4343                 .fips_allowed = 0,
4344                 .suite = {
4345                         .hash = __VECS(blake2b_512_tv_template)
4346                 }
4347         }, {
4348                 .alg = "blake2s-128",
4349                 .test = alg_test_hash,
4350                 .suite = {
4351                         .hash = __VECS(blakes2s_128_tv_template)
4352                 }
4353         }, {
4354                 .alg = "blake2s-160",
4355                 .test = alg_test_hash,
4356                 .suite = {
4357                         .hash = __VECS(blakes2s_160_tv_template)
4358                 }
4359         }, {
4360                 .alg = "blake2s-224",
4361                 .test = alg_test_hash,
4362                 .suite = {
4363                         .hash = __VECS(blakes2s_224_tv_template)
4364                 }
4365         }, {
4366                 .alg = "blake2s-256",
4367                 .test = alg_test_hash,
4368                 .suite = {
4369                         .hash = __VECS(blakes2s_256_tv_template)
4370                 }
4371         }, {
4372                 .alg = "cbc(aes)",
4373                 .test = alg_test_skcipher,
4374                 .fips_allowed = 1,
4375                 .suite = {
4376                         .cipher = __VECS(aes_cbc_tv_template)
4377                 },
4378         }, {
4379                 .alg = "cbc(anubis)",
4380                 .test = alg_test_skcipher,
4381                 .suite = {
4382                         .cipher = __VECS(anubis_cbc_tv_template)
4383                 },
4384         }, {
4385                 .alg = "cbc(blowfish)",
4386                 .test = alg_test_skcipher,
4387                 .suite = {
4388                         .cipher = __VECS(bf_cbc_tv_template)
4389                 },
4390         }, {
4391                 .alg = "cbc(camellia)",
4392                 .test = alg_test_skcipher,
4393                 .suite = {
4394                         .cipher = __VECS(camellia_cbc_tv_template)
4395                 },
4396         }, {
4397                 .alg = "cbc(cast5)",
4398                 .test = alg_test_skcipher,
4399                 .suite = {
4400                         .cipher = __VECS(cast5_cbc_tv_template)
4401                 },
4402         }, {
4403                 .alg = "cbc(cast6)",
4404                 .test = alg_test_skcipher,
4405                 .suite = {
4406                         .cipher = __VECS(cast6_cbc_tv_template)
4407                 },
4408         }, {
4409                 .alg = "cbc(des)",
4410                 .test = alg_test_skcipher,
4411                 .suite = {
4412                         .cipher = __VECS(des_cbc_tv_template)
4413                 },
4414         }, {
4415                 .alg = "cbc(des3_ede)",
4416                 .test = alg_test_skcipher,
4417                 .fips_allowed = 1,
4418                 .suite = {
4419                         .cipher = __VECS(des3_ede_cbc_tv_template)
4420                 },
4421         }, {
4422                 /* Same as cbc(aes) except the key is stored in
4423                  * hardware secure memory which we reference by index
4424                  */
4425                 .alg = "cbc(paes)",
4426                 .test = alg_test_null,
4427                 .fips_allowed = 1,
4428         }, {
4429                 /* Same as cbc(sm4) except the key is stored in
4430                  * hardware secure memory which we reference by index
4431                  */
4432                 .alg = "cbc(psm4)",
4433                 .test = alg_test_null,
4434         }, {
4435                 .alg = "cbc(serpent)",
4436                 .test = alg_test_skcipher,
4437                 .suite = {
4438                         .cipher = __VECS(serpent_cbc_tv_template)
4439                 },
4440         }, {
4441                 .alg = "cbc(sm4)",
4442                 .test = alg_test_skcipher,
4443                 .suite = {
4444                         .cipher = __VECS(sm4_cbc_tv_template)
4445                 }
4446         }, {
4447                 .alg = "cbc(twofish)",
4448                 .test = alg_test_skcipher,
4449                 .suite = {
4450                         .cipher = __VECS(tf_cbc_tv_template)
4451                 },
4452         }, {
4453 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4454                 .alg = "cbc-paes-s390",
4455                 .fips_allowed = 1,
4456                 .test = alg_test_skcipher,
4457                 .suite = {
4458                         .cipher = __VECS(aes_cbc_tv_template)
4459                 }
4460         }, {
4461 #endif
4462                 .alg = "cbcmac(aes)",
4463                 .fips_allowed = 1,
4464                 .test = alg_test_hash,
4465                 .suite = {
4466                         .hash = __VECS(aes_cbcmac_tv_template)
4467                 }
4468         }, {
4469                 .alg = "ccm(aes)",
4470                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4471                 .test = alg_test_aead,
4472                 .fips_allowed = 1,
4473                 .suite = {
4474                         .aead = {
4475                                 ____VECS(aes_ccm_tv_template),
4476                                 .einval_allowed = 1,
4477                         }
4478                 }
4479         }, {
4480                 .alg = "cfb(aes)",
4481                 .test = alg_test_skcipher,
4482                 .fips_allowed = 1,
4483                 .suite = {
4484                         .cipher = __VECS(aes_cfb_tv_template)
4485                 },
4486         }, {
4487                 .alg = "cfb(sm4)",
4488                 .test = alg_test_skcipher,
4489                 .suite = {
4490                         .cipher = __VECS(sm4_cfb_tv_template)
4491                 }
4492         }, {
4493                 .alg = "chacha20",
4494                 .test = alg_test_skcipher,
4495                 .suite = {
4496                         .cipher = __VECS(chacha20_tv_template)
4497                 },
4498         }, {
4499                 .alg = "cmac(aes)",
4500                 .fips_allowed = 1,
4501                 .test = alg_test_hash,
4502                 .suite = {
4503                         .hash = __VECS(aes_cmac128_tv_template)
4504                 }
4505         }, {
4506                 .alg = "cmac(des3_ede)",
4507                 .fips_allowed = 1,
4508                 .test = alg_test_hash,
4509                 .suite = {
4510                         .hash = __VECS(des3_ede_cmac64_tv_template)
4511                 }
4512         }, {
4513                 .alg = "compress_null",
4514                 .test = alg_test_null,
4515         }, {
4516                 .alg = "crc32",
4517                 .test = alg_test_hash,
4518                 .fips_allowed = 1,
4519                 .suite = {
4520                         .hash = __VECS(crc32_tv_template)
4521                 }
4522         }, {
4523                 .alg = "crc32c",
4524                 .test = alg_test_crc32c,
4525                 .fips_allowed = 1,
4526                 .suite = {
4527                         .hash = __VECS(crc32c_tv_template)
4528                 }
4529         }, {
4530                 .alg = "crct10dif",
4531                 .test = alg_test_hash,
4532                 .fips_allowed = 1,
4533                 .suite = {
4534                         .hash = __VECS(crct10dif_tv_template)
4535                 }
4536         }, {
4537                 .alg = "ctr(aes)",
4538                 .test = alg_test_skcipher,
4539                 .fips_allowed = 1,
4540                 .suite = {
4541                         .cipher = __VECS(aes_ctr_tv_template)
4542                 }
4543         }, {
4544                 .alg = "ctr(blowfish)",
4545                 .test = alg_test_skcipher,
4546                 .suite = {
4547                         .cipher = __VECS(bf_ctr_tv_template)
4548                 }
4549         }, {
4550                 .alg = "ctr(camellia)",
4551                 .test = alg_test_skcipher,
4552                 .suite = {
4553                         .cipher = __VECS(camellia_ctr_tv_template)
4554                 }
4555         }, {
4556                 .alg = "ctr(cast5)",
4557                 .test = alg_test_skcipher,
4558                 .suite = {
4559                         .cipher = __VECS(cast5_ctr_tv_template)
4560                 }
4561         }, {
4562                 .alg = "ctr(cast6)",
4563                 .test = alg_test_skcipher,
4564                 .suite = {
4565                         .cipher = __VECS(cast6_ctr_tv_template)
4566                 }
4567         }, {
4568                 .alg = "ctr(des)",
4569                 .test = alg_test_skcipher,
4570                 .suite = {
4571                         .cipher = __VECS(des_ctr_tv_template)
4572                 }
4573         }, {
4574                 .alg = "ctr(des3_ede)",
4575                 .test = alg_test_skcipher,
4576                 .fips_allowed = 1,
4577                 .suite = {
4578                         .cipher = __VECS(des3_ede_ctr_tv_template)
4579                 }
4580         }, {
4581                 /* Same as ctr(aes) except the key is stored in
4582                  * hardware secure memory which we reference by index
4583                  */
4584                 .alg = "ctr(paes)",
4585                 .test = alg_test_null,
4586                 .fips_allowed = 1,
4587         }, {
4588
4589                 /* Same as ctr(sm4) except the key is stored in
4590                  * hardware secure memory which we reference by index
4591                  */
4592                 .alg = "ctr(psm4)",
4593                 .test = alg_test_null,
4594         }, {
4595                 .alg = "ctr(serpent)",
4596                 .test = alg_test_skcipher,
4597                 .suite = {
4598                         .cipher = __VECS(serpent_ctr_tv_template)
4599                 }
4600         }, {
4601                 .alg = "ctr(sm4)",
4602                 .test = alg_test_skcipher,
4603                 .suite = {
4604                         .cipher = __VECS(sm4_ctr_tv_template)
4605                 }
4606         }, {
4607                 .alg = "ctr(twofish)",
4608                 .test = alg_test_skcipher,
4609                 .suite = {
4610                         .cipher = __VECS(tf_ctr_tv_template)
4611                 }
4612         }, {
4613 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4614                 .alg = "ctr-paes-s390",
4615                 .fips_allowed = 1,
4616                 .test = alg_test_skcipher,
4617                 .suite = {
4618                         .cipher = __VECS(aes_ctr_tv_template)
4619                 }
4620         }, {
4621 #endif
4622                 .alg = "cts(cbc(aes))",
4623                 .test = alg_test_skcipher,
4624                 .fips_allowed = 1,
4625                 .suite = {
4626                         .cipher = __VECS(cts_mode_tv_template)
4627                 }
4628         }, {
4629                 /* Same as cts(cbc((aes)) except the key is stored in
4630                  * hardware secure memory which we reference by index
4631                  */
4632                 .alg = "cts(cbc(paes))",
4633                 .test = alg_test_null,
4634                 .fips_allowed = 1,
4635         }, {
4636                 .alg = "curve25519",
4637                 .test = alg_test_kpp,
4638                 .suite = {
4639                         .kpp = __VECS(curve25519_tv_template)
4640                 }
4641         }, {
4642                 .alg = "deflate",
4643                 .test = alg_test_comp,
4644                 .fips_allowed = 1,
4645                 .suite = {
4646                         .comp = {
4647                                 .comp = __VECS(deflate_comp_tv_template),
4648                                 .decomp = __VECS(deflate_decomp_tv_template)
4649                         }
4650                 }
4651         }, {
4652                 .alg = "dh",
4653                 .test = alg_test_kpp,
4654                 .fips_allowed = 1,
4655                 .suite = {
4656                         .kpp = __VECS(dh_tv_template)
4657                 }
4658         }, {
4659                 .alg = "digest_null",
4660                 .test = alg_test_null,
4661         }, {
4662                 .alg = "drbg_nopr_ctr_aes128",
4663                 .test = alg_test_drbg,
4664                 .fips_allowed = 1,
4665                 .suite = {
4666                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4667                 }
4668         }, {
4669                 .alg = "drbg_nopr_ctr_aes192",
4670                 .test = alg_test_drbg,
4671                 .fips_allowed = 1,
4672                 .suite = {
4673                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4674                 }
4675         }, {
4676                 .alg = "drbg_nopr_ctr_aes256",
4677                 .test = alg_test_drbg,
4678                 .fips_allowed = 1,
4679                 .suite = {
4680                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4681                 }
4682         }, {
4683                 /*
4684                  * There is no need to specifically test the DRBG with every
4685                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4686                  */
4687                 .alg = "drbg_nopr_hmac_sha1",
4688                 .fips_allowed = 1,
4689                 .test = alg_test_null,
4690         }, {
4691                 .alg = "drbg_nopr_hmac_sha256",
4692                 .test = alg_test_drbg,
4693                 .fips_allowed = 1,
4694                 .suite = {
4695                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4696                 }
4697         }, {
4698                 /* covered by drbg_nopr_hmac_sha256 test */
4699                 .alg = "drbg_nopr_hmac_sha384",
4700                 .fips_allowed = 1,
4701                 .test = alg_test_null,
4702         }, {
4703                 .alg = "drbg_nopr_hmac_sha512",
4704                 .test = alg_test_null,
4705                 .fips_allowed = 1,
4706         }, {
4707                 .alg = "drbg_nopr_sha1",
4708                 .fips_allowed = 1,
4709                 .test = alg_test_null,
4710         }, {
4711                 .alg = "drbg_nopr_sha256",
4712                 .test = alg_test_drbg,
4713                 .fips_allowed = 1,
4714                 .suite = {
4715                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4716                 }
4717         }, {
4718                 /* covered by drbg_nopr_sha256 test */
4719                 .alg = "drbg_nopr_sha384",
4720                 .fips_allowed = 1,
4721                 .test = alg_test_null,
4722         }, {
4723                 .alg = "drbg_nopr_sha512",
4724                 .fips_allowed = 1,
4725                 .test = alg_test_null,
4726         }, {
4727                 .alg = "drbg_pr_ctr_aes128",
4728                 .test = alg_test_drbg,
4729                 .fips_allowed = 1,
4730                 .suite = {
4731                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4732                 }
4733         }, {
4734                 /* covered by drbg_pr_ctr_aes128 test */
4735                 .alg = "drbg_pr_ctr_aes192",
4736                 .fips_allowed = 1,
4737                 .test = alg_test_null,
4738         }, {
4739                 .alg = "drbg_pr_ctr_aes256",
4740                 .fips_allowed = 1,
4741                 .test = alg_test_null,
4742         }, {
4743                 .alg = "drbg_pr_hmac_sha1",
4744                 .fips_allowed = 1,
4745                 .test = alg_test_null,
4746         }, {
4747                 .alg = "drbg_pr_hmac_sha256",
4748                 .test = alg_test_drbg,
4749                 .fips_allowed = 1,
4750                 .suite = {
4751                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4752                 }
4753         }, {
4754                 /* covered by drbg_pr_hmac_sha256 test */
4755                 .alg = "drbg_pr_hmac_sha384",
4756                 .fips_allowed = 1,
4757                 .test = alg_test_null,
4758         }, {
4759                 .alg = "drbg_pr_hmac_sha512",
4760                 .test = alg_test_null,
4761                 .fips_allowed = 1,
4762         }, {
4763                 .alg = "drbg_pr_sha1",
4764                 .fips_allowed = 1,
4765                 .test = alg_test_null,
4766         }, {
4767                 .alg = "drbg_pr_sha256",
4768                 .test = alg_test_drbg,
4769                 .fips_allowed = 1,
4770                 .suite = {
4771                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4772                 }
4773         }, {
4774                 /* covered by drbg_pr_sha256 test */
4775                 .alg = "drbg_pr_sha384",
4776                 .fips_allowed = 1,
4777                 .test = alg_test_null,
4778         }, {
4779                 .alg = "drbg_pr_sha512",
4780                 .fips_allowed = 1,
4781                 .test = alg_test_null,
4782         }, {
4783                 .alg = "ecb(aes)",
4784                 .test = alg_test_skcipher,
4785                 .fips_allowed = 1,
4786                 .suite = {
4787                         .cipher = __VECS(aes_tv_template)
4788                 }
4789         }, {
4790                 .alg = "ecb(anubis)",
4791                 .test = alg_test_skcipher,
4792                 .suite = {
4793                         .cipher = __VECS(anubis_tv_template)
4794                 }
4795         }, {
4796                 .alg = "ecb(arc4)",
4797                 .generic_driver = "ecb(arc4)-generic",
4798                 .test = alg_test_skcipher,
4799                 .suite = {
4800                         .cipher = __VECS(arc4_tv_template)
4801                 }
4802         }, {
4803                 .alg = "ecb(blowfish)",
4804                 .test = alg_test_skcipher,
4805                 .suite = {
4806                         .cipher = __VECS(bf_tv_template)
4807                 }
4808         }, {
4809                 .alg = "ecb(camellia)",
4810                 .test = alg_test_skcipher,
4811                 .suite = {
4812                         .cipher = __VECS(camellia_tv_template)
4813                 }
4814         }, {
4815                 .alg = "ecb(cast5)",
4816                 .test = alg_test_skcipher,
4817                 .suite = {
4818                         .cipher = __VECS(cast5_tv_template)
4819                 }
4820         }, {
4821                 .alg = "ecb(cast6)",
4822                 .test = alg_test_skcipher,
4823                 .suite = {
4824                         .cipher = __VECS(cast6_tv_template)
4825                 }
4826         }, {
4827                 .alg = "ecb(cipher_null)",
4828                 .test = alg_test_null,
4829                 .fips_allowed = 1,
4830         }, {
4831                 .alg = "ecb(des)",
4832                 .test = alg_test_skcipher,
4833                 .suite = {
4834                         .cipher = __VECS(des_tv_template)
4835                 }
4836         }, {
4837                 .alg = "ecb(des3_ede)",
4838                 .test = alg_test_skcipher,
4839                 .fips_allowed = 1,
4840                 .suite = {
4841                         .cipher = __VECS(des3_ede_tv_template)
4842                 }
4843         }, {
4844                 .alg = "ecb(fcrypt)",
4845                 .test = alg_test_skcipher,
4846                 .suite = {
4847                         .cipher = {
4848                                 .vecs = fcrypt_pcbc_tv_template,
4849                                 .count = 1
4850                         }
4851                 }
4852         }, {
4853                 .alg = "ecb(khazad)",
4854                 .test = alg_test_skcipher,
4855                 .suite = {
4856                         .cipher = __VECS(khazad_tv_template)
4857                 }
4858         }, {
4859                 /* Same as ecb(aes) except the key is stored in
4860                  * hardware secure memory which we reference by index
4861                  */
4862                 .alg = "ecb(paes)",
4863                 .test = alg_test_null,
4864                 .fips_allowed = 1,
4865         }, {
4866                 .alg = "ecb(seed)",
4867                 .test = alg_test_skcipher,
4868                 .suite = {
4869                         .cipher = __VECS(seed_tv_template)
4870                 }
4871         }, {
4872                 .alg = "ecb(serpent)",
4873                 .test = alg_test_skcipher,
4874                 .suite = {
4875                         .cipher = __VECS(serpent_tv_template)
4876                 }
4877         }, {
4878                 .alg = "ecb(sm4)",
4879                 .test = alg_test_skcipher,
4880                 .suite = {
4881                         .cipher = __VECS(sm4_tv_template)
4882                 }
4883         }, {
4884                 .alg = "ecb(tea)",
4885                 .test = alg_test_skcipher,
4886                 .suite = {
4887                         .cipher = __VECS(tea_tv_template)
4888                 }
4889         }, {
4890                 .alg = "ecb(tnepres)",
4891                 .test = alg_test_skcipher,
4892                 .suite = {
4893                         .cipher = __VECS(tnepres_tv_template)
4894                 }
4895         }, {
4896                 .alg = "ecb(twofish)",
4897                 .test = alg_test_skcipher,
4898                 .suite = {
4899                         .cipher = __VECS(tf_tv_template)
4900                 }
4901         }, {
4902                 .alg = "ecb(xeta)",
4903                 .test = alg_test_skcipher,
4904                 .suite = {
4905                         .cipher = __VECS(xeta_tv_template)
4906                 }
4907         }, {
4908                 .alg = "ecb(xtea)",
4909                 .test = alg_test_skcipher,
4910                 .suite = {
4911                         .cipher = __VECS(xtea_tv_template)
4912                 }
4913         }, {
4914 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4915                 .alg = "ecb-paes-s390",
4916                 .fips_allowed = 1,
4917                 .test = alg_test_skcipher,
4918                 .suite = {
4919                         .cipher = __VECS(aes_tv_template)
4920                 }
4921         }, {
4922 #endif
4923                 .alg = "ecdh",
4924                 .test = alg_test_kpp,
4925                 .fips_allowed = 1,
4926                 .suite = {
4927                         .kpp = __VECS(ecdh_tv_template)
4928                 }
4929         }, {
4930                 .alg = "ecrdsa",
4931                 .test = alg_test_akcipher,
4932                 .suite = {
4933                         .akcipher = __VECS(ecrdsa_tv_template)
4934                 }
4935         }, {
4936                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4937                 .test = alg_test_aead,
4938                 .fips_allowed = 1,
4939                 .suite = {
4940                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4941                 }
4942         }, {
4943                 .alg = "essiv(cbc(aes),sha256)",
4944                 .test = alg_test_skcipher,
4945                 .fips_allowed = 1,
4946                 .suite = {
4947                         .cipher = __VECS(essiv_aes_cbc_tv_template)
4948                 }
4949         }, {
4950                 .alg = "gcm(aes)",
4951                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4952                 .test = alg_test_aead,
4953                 .fips_allowed = 1,
4954                 .suite = {
4955                         .aead = __VECS(aes_gcm_tv_template)
4956                 }
4957         }, {
4958                 .alg = "ghash",
4959                 .test = alg_test_hash,
4960                 .fips_allowed = 1,
4961                 .suite = {
4962                         .hash = __VECS(ghash_tv_template)
4963                 }
4964         }, {
4965                 .alg = "hmac(md5)",
4966                 .test = alg_test_hash,
4967                 .suite = {
4968                         .hash = __VECS(hmac_md5_tv_template)
4969                 }
4970         }, {
4971                 .alg = "hmac(rmd128)",
4972                 .test = alg_test_hash,
4973                 .suite = {
4974                         .hash = __VECS(hmac_rmd128_tv_template)
4975                 }
4976         }, {
4977                 .alg = "hmac(rmd160)",
4978                 .test = alg_test_hash,
4979                 .suite = {
4980                         .hash = __VECS(hmac_rmd160_tv_template)
4981                 }
4982         }, {
4983                 .alg = "hmac(sha1)",
4984                 .test = alg_test_hash,
4985                 .fips_allowed = 1,
4986                 .suite = {
4987                         .hash = __VECS(hmac_sha1_tv_template)
4988                 }
4989         }, {
4990                 .alg = "hmac(sha224)",
4991                 .test = alg_test_hash,
4992                 .fips_allowed = 1,
4993                 .suite = {
4994                         .hash = __VECS(hmac_sha224_tv_template)
4995                 }
4996         }, {
4997                 .alg = "hmac(sha256)",
4998                 .test = alg_test_hash,
4999                 .fips_allowed = 1,
5000                 .suite = {
5001                         .hash = __VECS(hmac_sha256_tv_template)
5002                 }
5003         }, {
5004                 .alg = "hmac(sha3-224)",
5005                 .test = alg_test_hash,
5006                 .fips_allowed = 1,
5007                 .suite = {
5008                         .hash = __VECS(hmac_sha3_224_tv_template)
5009                 }
5010         }, {
5011                 .alg = "hmac(sha3-256)",
5012                 .test = alg_test_hash,
5013                 .fips_allowed = 1,
5014                 .suite = {
5015                         .hash = __VECS(hmac_sha3_256_tv_template)
5016                 }
5017         }, {
5018                 .alg = "hmac(sha3-384)",
5019                 .test = alg_test_hash,
5020                 .fips_allowed = 1,
5021                 .suite = {
5022                         .hash = __VECS(hmac_sha3_384_tv_template)
5023                 }
5024         }, {
5025                 .alg = "hmac(sha3-512)",
5026                 .test = alg_test_hash,
5027                 .fips_allowed = 1,
5028                 .suite = {
5029                         .hash = __VECS(hmac_sha3_512_tv_template)
5030                 }
5031         }, {
5032                 .alg = "hmac(sha384)",
5033                 .test = alg_test_hash,
5034                 .fips_allowed = 1,
5035                 .suite = {
5036                         .hash = __VECS(hmac_sha384_tv_template)
5037                 }
5038         }, {
5039                 .alg = "hmac(sha512)",
5040                 .test = alg_test_hash,
5041                 .fips_allowed = 1,
5042                 .suite = {
5043                         .hash = __VECS(hmac_sha512_tv_template)
5044                 }
5045         }, {
5046                 .alg = "hmac(sm3)",
5047                 .test = alg_test_hash,
5048                 .suite = {
5049                         .hash = __VECS(hmac_sm3_tv_template)
5050                 }
5051         }, {
5052                 .alg = "hmac(streebog256)",
5053                 .test = alg_test_hash,
5054                 .suite = {
5055                         .hash = __VECS(hmac_streebog256_tv_template)
5056                 }
5057         }, {
5058                 .alg = "hmac(streebog512)",
5059                 .test = alg_test_hash,
5060                 .suite = {
5061                         .hash = __VECS(hmac_streebog512_tv_template)
5062                 }
5063         }, {
5064                 .alg = "jitterentropy_rng",
5065                 .fips_allowed = 1,
5066                 .test = alg_test_null,
5067         }, {
5068                 .alg = "kw(aes)",
5069                 .test = alg_test_skcipher,
5070                 .fips_allowed = 1,
5071                 .suite = {
5072                         .cipher = __VECS(aes_kw_tv_template)
5073                 }
5074         }, {
5075                 .alg = "lrw(aes)",
5076                 .generic_driver = "lrw(ecb(aes-generic))",
5077                 .test = alg_test_skcipher,
5078                 .suite = {
5079                         .cipher = __VECS(aes_lrw_tv_template)
5080                 }
5081         }, {
5082                 .alg = "lrw(camellia)",
5083                 .generic_driver = "lrw(ecb(camellia-generic))",
5084                 .test = alg_test_skcipher,
5085                 .suite = {
5086                         .cipher = __VECS(camellia_lrw_tv_template)
5087                 }
5088         }, {
5089                 .alg = "lrw(cast6)",
5090                 .generic_driver = "lrw(ecb(cast6-generic))",
5091                 .test = alg_test_skcipher,
5092                 .suite = {
5093                         .cipher = __VECS(cast6_lrw_tv_template)
5094                 }
5095         }, {
5096                 .alg = "lrw(serpent)",
5097                 .generic_driver = "lrw(ecb(serpent-generic))",
5098                 .test = alg_test_skcipher,
5099                 .suite = {
5100                         .cipher = __VECS(serpent_lrw_tv_template)
5101                 }
5102         }, {
5103                 .alg = "lrw(twofish)",
5104                 .generic_driver = "lrw(ecb(twofish-generic))",
5105                 .test = alg_test_skcipher,
5106                 .suite = {
5107                         .cipher = __VECS(tf_lrw_tv_template)
5108                 }
5109         }, {
5110                 .alg = "lz4",
5111                 .test = alg_test_comp,
5112                 .fips_allowed = 1,
5113                 .suite = {
5114                         .comp = {
5115                                 .comp = __VECS(lz4_comp_tv_template),
5116                                 .decomp = __VECS(lz4_decomp_tv_template)
5117                         }
5118                 }
5119         }, {
5120                 .alg = "lz4hc",
5121                 .test = alg_test_comp,
5122                 .fips_allowed = 1,
5123                 .suite = {
5124                         .comp = {
5125                                 .comp = __VECS(lz4hc_comp_tv_template),
5126                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5127                         }
5128                 }
5129         }, {
5130                 .alg = "lzo",
5131                 .test = alg_test_comp,
5132                 .fips_allowed = 1,
5133                 .suite = {
5134                         .comp = {
5135                                 .comp = __VECS(lzo_comp_tv_template),
5136                                 .decomp = __VECS(lzo_decomp_tv_template)
5137                         }
5138                 }
5139         }, {
5140                 .alg = "lzo-rle",
5141                 .test = alg_test_comp,
5142                 .fips_allowed = 1,
5143                 .suite = {
5144                         .comp = {
5145                                 .comp = __VECS(lzorle_comp_tv_template),
5146                                 .decomp = __VECS(lzorle_decomp_tv_template)
5147                         }
5148                 }
5149         }, {
5150                 .alg = "md4",
5151                 .test = alg_test_hash,
5152                 .suite = {
5153                         .hash = __VECS(md4_tv_template)
5154                 }
5155         }, {
5156                 .alg = "md5",
5157                 .test = alg_test_hash,
5158                 .suite = {
5159                         .hash = __VECS(md5_tv_template)
5160                 }
5161         }, {
5162                 .alg = "michael_mic",
5163                 .test = alg_test_hash,
5164                 .suite = {
5165                         .hash = __VECS(michael_mic_tv_template)
5166                 }
5167         }, {
5168                 .alg = "nhpoly1305",
5169                 .test = alg_test_hash,
5170                 .suite = {
5171                         .hash = __VECS(nhpoly1305_tv_template)
5172                 }
5173         }, {
5174                 .alg = "ofb(aes)",
5175                 .test = alg_test_skcipher,
5176                 .fips_allowed = 1,
5177                 .suite = {
5178                         .cipher = __VECS(aes_ofb_tv_template)
5179                 }
5180         }, {
5181                 /* Same as ofb(aes) except the key is stored in
5182                  * hardware secure memory which we reference by index
5183                  */
5184                 .alg = "ofb(paes)",
5185                 .test = alg_test_null,
5186                 .fips_allowed = 1,
5187         }, {
5188                 .alg = "ofb(sm4)",
5189                 .test = alg_test_skcipher,
5190                 .suite = {
5191                         .cipher = __VECS(sm4_ofb_tv_template)
5192                 }
5193         }, {
5194                 .alg = "pcbc(fcrypt)",
5195                 .test = alg_test_skcipher,
5196                 .suite = {
5197                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5198                 }
5199         }, {
5200                 .alg = "pkcs1pad(rsa,sha224)",
5201                 .test = alg_test_null,
5202                 .fips_allowed = 1,
5203         }, {
5204                 .alg = "pkcs1pad(rsa,sha256)",
5205                 .test = alg_test_akcipher,
5206                 .fips_allowed = 1,
5207                 .suite = {
5208                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5209                 }
5210         }, {
5211                 .alg = "pkcs1pad(rsa,sha384)",
5212                 .test = alg_test_null,
5213                 .fips_allowed = 1,
5214         }, {
5215                 .alg = "pkcs1pad(rsa,sha512)",
5216                 .test = alg_test_null,
5217                 .fips_allowed = 1,
5218         }, {
5219                 .alg = "poly1305",
5220                 .test = alg_test_hash,
5221                 .suite = {
5222                         .hash = __VECS(poly1305_tv_template)
5223                 }
5224         }, {
5225                 .alg = "rfc3686(ctr(aes))",
5226                 .test = alg_test_skcipher,
5227                 .fips_allowed = 1,
5228                 .suite = {
5229                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5230                 }
5231         }, {
5232                 .alg = "rfc3686(ctr(sm4))",
5233                 .test = alg_test_skcipher,
5234                 .suite = {
5235                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5236                 }
5237         }, {
5238                 .alg = "rfc4106(gcm(aes))",
5239                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5240                 .test = alg_test_aead,
5241                 .fips_allowed = 1,
5242                 .suite = {
5243                         .aead = {
5244                                 ____VECS(aes_gcm_rfc4106_tv_template),
5245                                 .einval_allowed = 1,
5246                                 .aad_iv = 1,
5247                         }
5248                 }
5249         }, {
5250                 .alg = "rfc4309(ccm(aes))",
5251                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5252                 .test = alg_test_aead,
5253                 .fips_allowed = 1,
5254                 .suite = {
5255                         .aead = {
5256                                 ____VECS(aes_ccm_rfc4309_tv_template),
5257                                 .einval_allowed = 1,
5258                                 .aad_iv = 1,
5259                         }
5260                 }
5261         }, {
5262                 .alg = "rfc4543(gcm(aes))",
5263                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5264                 .test = alg_test_aead,
5265                 .suite = {
5266                         .aead = {
5267                                 ____VECS(aes_gcm_rfc4543_tv_template),
5268                                 .einval_allowed = 1,
5269                                 .aad_iv = 1,
5270                         }
5271                 }
5272         }, {
5273                 .alg = "rfc7539(chacha20,poly1305)",
5274                 .test = alg_test_aead,
5275                 .suite = {
5276                         .aead = __VECS(rfc7539_tv_template)
5277                 }
5278         }, {
5279                 .alg = "rfc7539esp(chacha20,poly1305)",
5280                 .test = alg_test_aead,
5281                 .suite = {
5282                         .aead = {
5283                                 ____VECS(rfc7539esp_tv_template),
5284                                 .einval_allowed = 1,
5285                                 .aad_iv = 1,
5286                         }
5287                 }
5288         }, {
5289                 .alg = "rmd128",
5290                 .test = alg_test_hash,
5291                 .suite = {
5292                         .hash = __VECS(rmd128_tv_template)
5293                 }
5294         }, {
5295                 .alg = "rmd160",
5296                 .test = alg_test_hash,
5297                 .suite = {
5298                         .hash = __VECS(rmd160_tv_template)
5299                 }
5300         }, {
5301                 .alg = "rmd256",
5302                 .test = alg_test_hash,
5303                 .suite = {
5304                         .hash = __VECS(rmd256_tv_template)
5305                 }
5306         }, {
5307                 .alg = "rmd320",
5308                 .test = alg_test_hash,
5309                 .suite = {
5310                         .hash = __VECS(rmd320_tv_template)
5311                 }
5312         }, {
5313                 .alg = "rsa",
5314                 .test = alg_test_akcipher,
5315                 .fips_allowed = 1,
5316                 .suite = {
5317                         .akcipher = __VECS(rsa_tv_template)
5318                 }
5319         }, {
5320                 .alg = "salsa20",
5321                 .test = alg_test_skcipher,
5322                 .suite = {
5323                         .cipher = __VECS(salsa20_stream_tv_template)
5324                 }
5325         }, {
5326                 .alg = "sha1",
5327                 .test = alg_test_hash,
5328                 .fips_allowed = 1,
5329                 .suite = {
5330                         .hash = __VECS(sha1_tv_template)
5331                 }
5332         }, {
5333                 .alg = "sha224",
5334                 .test = alg_test_hash,
5335                 .fips_allowed = 1,
5336                 .suite = {
5337                         .hash = __VECS(sha224_tv_template)
5338                 }
5339         }, {
5340                 .alg = "sha256",
5341                 .test = alg_test_hash,
5342                 .fips_allowed = 1,
5343                 .suite = {
5344                         .hash = __VECS(sha256_tv_template)
5345                 }
5346         }, {
5347                 .alg = "sha3-224",
5348                 .test = alg_test_hash,
5349                 .fips_allowed = 1,
5350                 .suite = {
5351                         .hash = __VECS(sha3_224_tv_template)
5352                 }
5353         }, {
5354                 .alg = "sha3-256",
5355                 .test = alg_test_hash,
5356                 .fips_allowed = 1,
5357                 .suite = {
5358                         .hash = __VECS(sha3_256_tv_template)
5359                 }
5360         }, {
5361                 .alg = "sha3-384",
5362                 .test = alg_test_hash,
5363                 .fips_allowed = 1,
5364                 .suite = {
5365                         .hash = __VECS(sha3_384_tv_template)
5366                 }
5367         }, {
5368                 .alg = "sha3-512",
5369                 .test = alg_test_hash,
5370                 .fips_allowed = 1,
5371                 .suite = {
5372                         .hash = __VECS(sha3_512_tv_template)
5373                 }
5374         }, {
5375                 .alg = "sha384",
5376                 .test = alg_test_hash,
5377                 .fips_allowed = 1,
5378                 .suite = {
5379                         .hash = __VECS(sha384_tv_template)
5380                 }
5381         }, {
5382                 .alg = "sha512",
5383                 .test = alg_test_hash,
5384                 .fips_allowed = 1,
5385                 .suite = {
5386                         .hash = __VECS(sha512_tv_template)
5387                 }
5388         }, {
5389                 .alg = "sm2",
5390                 .test = alg_test_akcipher,
5391                 .suite = {
5392                         .akcipher = __VECS(sm2_tv_template)
5393                 }
5394         }, {
5395                 .alg = "sm3",
5396                 .test = alg_test_hash,
5397                 .suite = {
5398                         .hash = __VECS(sm3_tv_template)
5399                 }
5400         }, {
5401                 .alg = "streebog256",
5402                 .test = alg_test_hash,
5403                 .suite = {
5404                         .hash = __VECS(streebog256_tv_template)
5405                 }
5406         }, {
5407                 .alg = "streebog512",
5408                 .test = alg_test_hash,
5409                 .suite = {
5410                         .hash = __VECS(streebog512_tv_template)
5411                 }
5412         }, {
5413                 .alg = "tgr128",
5414                 .test = alg_test_hash,
5415                 .suite = {
5416                         .hash = __VECS(tgr128_tv_template)
5417                 }
5418         }, {
5419                 .alg = "tgr160",
5420                 .test = alg_test_hash,
5421                 .suite = {
5422                         .hash = __VECS(tgr160_tv_template)
5423                 }
5424         }, {
5425                 .alg = "tgr192",
5426                 .test = alg_test_hash,
5427                 .suite = {
5428                         .hash = __VECS(tgr192_tv_template)
5429                 }
5430         }, {
5431                 .alg = "vmac64(aes)",
5432                 .test = alg_test_hash,
5433                 .suite = {
5434                         .hash = __VECS(vmac64_aes_tv_template)
5435                 }
5436         }, {
5437                 .alg = "wp256",
5438                 .test = alg_test_hash,
5439                 .suite = {
5440                         .hash = __VECS(wp256_tv_template)
5441                 }
5442         }, {
5443                 .alg = "wp384",
5444                 .test = alg_test_hash,
5445                 .suite = {
5446                         .hash = __VECS(wp384_tv_template)
5447                 }
5448         }, {
5449                 .alg = "wp512",
5450                 .test = alg_test_hash,
5451                 .suite = {
5452                         .hash = __VECS(wp512_tv_template)
5453                 }
5454         }, {
5455                 .alg = "xcbc(aes)",
5456                 .test = alg_test_hash,
5457                 .suite = {
5458                         .hash = __VECS(aes_xcbc128_tv_template)
5459                 }
5460         }, {
5461                 .alg = "xchacha12",
5462                 .test = alg_test_skcipher,
5463                 .suite = {
5464                         .cipher = __VECS(xchacha12_tv_template)
5465                 },
5466         }, {
5467                 .alg = "xchacha20",
5468                 .test = alg_test_skcipher,
5469                 .suite = {
5470                         .cipher = __VECS(xchacha20_tv_template)
5471                 },
5472         }, {
5473                 .alg = "xts(aes)",
5474                 .generic_driver = "xts(ecb(aes-generic))",
5475                 .test = alg_test_skcipher,
5476                 .fips_allowed = 1,
5477                 .suite = {
5478                         .cipher = __VECS(aes_xts_tv_template)
5479                 }
5480         }, {
5481                 .alg = "xts(camellia)",
5482                 .generic_driver = "xts(ecb(camellia-generic))",
5483                 .test = alg_test_skcipher,
5484                 .suite = {
5485                         .cipher = __VECS(camellia_xts_tv_template)
5486                 }
5487         }, {
5488                 .alg = "xts(cast6)",
5489                 .generic_driver = "xts(ecb(cast6-generic))",
5490                 .test = alg_test_skcipher,
5491                 .suite = {
5492                         .cipher = __VECS(cast6_xts_tv_template)
5493                 }
5494         }, {
5495                 /* Same as xts(aes) except the key is stored in
5496                  * hardware secure memory which we reference by index
5497                  */
5498                 .alg = "xts(paes)",
5499                 .test = alg_test_null,
5500                 .fips_allowed = 1,
5501         }, {
5502                 .alg = "xts(serpent)",
5503                 .generic_driver = "xts(ecb(serpent-generic))",
5504                 .test = alg_test_skcipher,
5505                 .suite = {
5506                         .cipher = __VECS(serpent_xts_tv_template)
5507                 }
5508         }, {
5509                 .alg = "xts(twofish)",
5510                 .generic_driver = "xts(ecb(twofish-generic))",
5511                 .test = alg_test_skcipher,
5512                 .suite = {
5513                         .cipher = __VECS(tf_xts_tv_template)
5514                 }
5515         }, {
5516 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5517                 .alg = "xts-paes-s390",
5518                 .fips_allowed = 1,
5519                 .test = alg_test_skcipher,
5520                 .suite = {
5521                         .cipher = __VECS(aes_xts_tv_template)
5522                 }
5523         }, {
5524 #endif
5525                 .alg = "xts4096(paes)",
5526                 .test = alg_test_null,
5527                 .fips_allowed = 1,
5528         }, {
5529                 .alg = "xts512(paes)",
5530                 .test = alg_test_null,
5531                 .fips_allowed = 1,
5532         }, {
5533                 .alg = "xxhash64",
5534                 .test = alg_test_hash,
5535                 .fips_allowed = 1,
5536                 .suite = {
5537                         .hash = __VECS(xxhash64_tv_template)
5538                 }
5539         }, {
5540                 .alg = "zlib-deflate",
5541                 .test = alg_test_comp,
5542                 .fips_allowed = 1,
5543                 .suite = {
5544                         .comp = {
5545                                 .comp = __VECS(zlib_deflate_comp_tv_template),
5546                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5547                         }
5548                 }
5549         }, {
5550                 .alg = "zstd",
5551                 .test = alg_test_comp,
5552                 .fips_allowed = 1,
5553                 .suite = {
5554                         .comp = {
5555                                 .comp = __VECS(zstd_comp_tv_template),
5556                                 .decomp = __VECS(zstd_decomp_tv_template)
5557                         }
5558                 }
5559         }
5560 };
5561
5562 static void alg_check_test_descs_order(void)
5563 {
5564         int i;
5565
5566         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5567                 int diff = strcmp(alg_test_descs[i - 1].alg,
5568                                   alg_test_descs[i].alg);
5569
5570                 if (WARN_ON(diff > 0)) {
5571                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5572                                 alg_test_descs[i - 1].alg,
5573                                 alg_test_descs[i].alg);
5574                 }
5575
5576                 if (WARN_ON(diff == 0)) {
5577                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5578                                 alg_test_descs[i].alg);
5579                 }
5580         }
5581 }
5582
5583 static void alg_check_testvec_configs(void)
5584 {
5585         int i;
5586
5587         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5588                 WARN_ON(!valid_testvec_config(
5589                                 &default_cipher_testvec_configs[i]));
5590
5591         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5592                 WARN_ON(!valid_testvec_config(
5593                                 &default_hash_testvec_configs[i]));
5594 }
5595
5596 static void testmgr_onetime_init(void)
5597 {
5598         alg_check_test_descs_order();
5599         alg_check_testvec_configs();
5600
5601 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5602         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5603 #endif
5604 }
5605
5606 static int alg_find_test(const char *alg)
5607 {
5608         int start = 0;
5609         int end = ARRAY_SIZE(alg_test_descs);
5610
5611         while (start < end) {
5612                 int i = (start + end) / 2;
5613                 int diff = strcmp(alg_test_descs[i].alg, alg);
5614
5615                 if (diff > 0) {
5616                         end = i;
5617                         continue;
5618                 }
5619
5620                 if (diff < 0) {
5621                         start = i + 1;
5622                         continue;
5623                 }
5624
5625                 return i;
5626         }
5627
5628         return -1;
5629 }
5630
5631 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5632 {
5633         int i;
5634         int j;
5635         int rc;
5636
5637         if (!fips_enabled && notests) {
5638                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5639                 return 0;
5640         }
5641
5642         DO_ONCE(testmgr_onetime_init);
5643
5644         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5645                 char nalg[CRYPTO_MAX_ALG_NAME];
5646
5647                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5648                     sizeof(nalg))
5649                         return -ENAMETOOLONG;
5650
5651                 i = alg_find_test(nalg);
5652                 if (i < 0)
5653                         goto notest;
5654
5655                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5656                         goto non_fips_alg;
5657
5658                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5659                 goto test_done;
5660         }
5661
5662         i = alg_find_test(alg);
5663         j = alg_find_test(driver);
5664         if (i < 0 && j < 0)
5665                 goto notest;
5666
5667         if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
5668                              (j >= 0 && !alg_test_descs[j].fips_allowed)))
5669                 goto non_fips_alg;
5670
5671         rc = 0;
5672         if (i >= 0)
5673                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5674                                              type, mask);
5675         if (j >= 0 && j != i)
5676                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5677                                              type, mask);
5678
5679 test_done:
5680         if (rc && (fips_enabled || panic_on_fail)) {
5681                 fips_fail_notify();
5682                 panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5683                       driver, alg, fips_enabled ? "fips" : "panic_on_fail");
5684         }
5685
5686         if (fips_enabled && !rc)
5687                 pr_info("alg: self-tests for %s (%s) passed\n", driver, alg);
5688
5689         return rc;
5690
5691 notest:
5692         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5693         return 0;
5694 non_fips_alg:
5695         return -EINVAL;
5696 }
5697
5698 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5699
5700 EXPORT_SYMBOL_GPL(alg_test);