crypto/testmgr.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Algorithm testing framework and tests.
   4  *
   5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
   7  * Copyright (c) 2007 Nokia Siemens Networks
   8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
   9  * Copyright (c) 2019 Google LLC
  10  *
  11  * Updated RFC4106 AES-GCM testing.
  12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
  13  *             Adrian Hoban <adrian.hoban@intel.com>
  14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
  15  *             Tadeusz Struk (tadeusz.struk@intel.com)
  16  *    Copyright (c) 2010, Intel Corporation.
  17  */
  18
  19 #include <crypto/aead.h>
  20 #include <crypto/hash.h>
  21 #include <crypto/skcipher.h>
  22 #include <linux/err.h>
  23 #include <linux/fips.h>
  24 #include <linux/module.h>
  25 #include <linux/once.h>
  26 #include <linux/random.h>
  27 #include <linux/scatterlist.h>
  28 #include <linux/slab.h>
  29 #include <linux/string.h>
  30 #include <linux/uio.h>
  31 #include <crypto/rng.h>
  32 #include <crypto/drbg.h>
  33 #include <crypto/akcipher.h>
  34 #include <crypto/kpp.h>
  35 #include <crypto/acompress.h>
  36 #include <crypto/internal/cipher.h>
  37 #include <crypto/internal/simd.h>
  38
  39 #include "internal.h"
  40
  41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
  42
  43 static bool notests;
  44 module_param(notests, bool, 0644);
  45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
  46
  47 static bool panic_on_fail;
  48 module_param(panic_on_fail, bool, 0444);
  49
  50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
  51 static bool noextratests;
  52 module_param(noextratests, bool, 0644);
  53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
  54
  55 static unsigned int fuzz_iterations = 100;
  56 module_param(fuzz_iterations, uint, 0644);
  57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
  58
  59 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
  60 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
  61 #endif
  62
  63 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
  64
  65 /* a perfect nop */
  66 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
  67 {
  68         return 0;
  69 }
  70
  71 #else
  72
  73 #include "testmgr.h"
  74
  75 /*
  76  * Need slab memory for testing (size in number of pages).
  77  */
  78 #define XBUFSIZE        8
  79
  80 /*
  81 * Used by test_cipher()
  82 */
  83 #define ENCRYPT 1
  84 #define DECRYPT 0
  85
  86 struct aead_test_suite {
  87         const struct aead_testvec *vecs;
  88         unsigned int count;
  89
  90         /*
  91          * Set if trying to decrypt an inauthentic ciphertext with this
  92          * algorithm might result in EINVAL rather than EBADMSG, due to other
  93          * validation the algorithm does on the inputs such as length checks.
  94          */
  95         unsigned int einval_allowed : 1;
  96
  97         /*
  98          * Set if this algorithm requires that the IV be located at the end of
  99          * the AAD buffer, in addition to being given in the normal way.  The
 100          * behavior when the two IV copies differ is implementation-defined.
 101          */
 102         unsigned int aad_iv : 1;
 103 };
 104
 105 struct cipher_test_suite {
 106         const struct cipher_testvec *vecs;
 107         unsigned int count;
 108 };
 109
 110 struct comp_test_suite {
 111         struct {
 112                 const struct comp_testvec *vecs;
 113                 unsigned int count;
 114         } comp, decomp;
 115 };
 116
 117 struct hash_test_suite {
 118         const struct hash_testvec *vecs;
 119         unsigned int count;
 120 };
 121
 122 struct cprng_test_suite {
 123         const struct cprng_testvec *vecs;
 124         unsigned int count;
 125 };
 126
 127 struct drbg_test_suite {
 128         const struct drbg_testvec *vecs;
 129         unsigned int count;
 130 };
 131
 132 struct akcipher_test_suite {
 133         const struct akcipher_testvec *vecs;
 134         unsigned int count;
 135 };
 136
 137 struct kpp_test_suite {
 138         const struct kpp_testvec *vecs;
 139         unsigned int count;
 140 };
 141
 142 struct alg_test_desc {
 143         const char *alg;
 144         const char *generic_driver;
 145         int (*test)(const struct alg_test_desc *desc, const char *driver,
 146                     u32 type, u32 mask);
 147         int fips_allowed;       /* set if alg is allowed in fips mode */
 148
 149         union {
 150                 struct aead_test_suite aead;
 151                 struct cipher_test_suite cipher;
 152                 struct comp_test_suite comp;
 153                 struct hash_test_suite hash;
 154                 struct cprng_test_suite cprng;
 155                 struct drbg_test_suite drbg;
 156                 struct akcipher_test_suite akcipher;
 157                 struct kpp_test_suite kpp;
 158         } suite;
 159 };
 160
 161 static void hexdump(unsigned char *buf, unsigned int len)
 162 {
 163         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
 164                         16, 1,
 165                         buf, len, false);
 166 }
 167
 168 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
 169 {
 170         int i;
 171
 172         for (i = 0; i < XBUFSIZE; i++) {
 173                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
 174                 if (!buf[i])
 175                         goto err_free_buf;
 176         }
 177
 178         return 0;
 179
 180 err_free_buf:
 181         while (i-- > 0)
 182                 free_pages((unsigned long)buf[i], order);
 183
 184         return -ENOMEM;
 185 }
 186
 187 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
 188 {
 189         return __testmgr_alloc_buf(buf, 0);
 190 }
 191
 192 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
 193 {
 194         int i;
 195
 196         for (i = 0; i < XBUFSIZE; i++)
 197                 free_pages((unsigned long)buf[i], order);
 198 }
 199
 200 static void testmgr_free_buf(char *buf[XBUFSIZE])
 201 {
 202         __testmgr_free_buf(buf, 0);
 203 }
 204
 205 #define TESTMGR_POISON_BYTE     0xfe
 206 #define TESTMGR_POISON_LEN      16
 207
 208 static inline void testmgr_poison(void *addr, size_t len)
 209 {
 210         memset(addr, TESTMGR_POISON_BYTE, len);
 211 }
 212
 213 /* Is the memory region still fully poisoned? */
 214 static inline bool testmgr_is_poison(const void *addr, size_t len)
 215 {
 216         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
 217 }
 218
 219 /* flush type for hash algorithms */
 220 enum flush_type {
 221         /* merge with update of previous buffer(s) */
 222         FLUSH_TYPE_NONE = 0,
 223
 224         /* update with previous buffer(s) before doing this one */
 225         FLUSH_TYPE_FLUSH,
 226
 227         /* likewise, but also export and re-import the intermediate state */
 228         FLUSH_TYPE_REIMPORT,
 229 };
 230
 231 /* finalization function for hash algorithms */
 232 enum finalization_type {
 233         FINALIZATION_TYPE_FINAL,        /* use final() */
 234         FINALIZATION_TYPE_FINUP,        /* use finup() */
 235         FINALIZATION_TYPE_DIGEST,       /* use digest() */
 236 };
 237
 238 #define TEST_SG_TOTAL   10000
 239
 240 /**
 241  * struct test_sg_division - description of a scatterlist entry
 242  *
 243  * This struct describes one entry of a scatterlist being constructed to check a
 244  * crypto test vector.
 245  *
 246  * @proportion_of_total: length of this chunk relative to the total length,
 247  *                       given as a proportion out of TEST_SG_TOTAL so that it
 248  *                       scales to fit any test vector
 249  * @offset: byte offset into a 2-page buffer at which this chunk will start
 250  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
 251  *                                @offset
 252  * @flush_type: for hashes, whether an update() should be done now vs.
 253  *              continuing to accumulate data
 254  * @nosimd: if doing the pending update(), do it with SIMD disabled?
 255  */
 256 struct test_sg_division {
 257         unsigned int proportion_of_total;
 258         unsigned int offset;
 259         bool offset_relative_to_alignmask;
 260         enum flush_type flush_type;
 261         bool nosimd;
 262 };
 263
 264 /**
 265  * struct testvec_config - configuration for testing a crypto test vector
 266  *
 267  * This struct describes the data layout and other parameters with which each
 268  * crypto test vector can be tested.
 269  *
 270  * @name: name of this config, logged for debugging purposes if a test fails
 271  * @inplace: operate on the data in-place, if applicable for the algorithm type?
 272  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
 273  * @src_divs: description of how to arrange the source scatterlist
 274  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
 275  *            for the algorithm type.  Defaults to @src_divs if unset.
 276  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
 277  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
 278  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 279  *                                   the @iv_offset
 280  * @key_offset: misalignment of the key, where 0 is default alignment
 281  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 282  *                                    the @key_offset
 283  * @finalization_type: what finalization function to use for hashes
 284  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
 285  */
 286 struct testvec_config {
 287         const char *name;
 288         bool inplace;
 289         u32 req_flags;
 290         struct test_sg_division src_divs[XBUFSIZE];
 291         struct test_sg_division dst_divs[XBUFSIZE];
 292         unsigned int iv_offset;
 293         unsigned int key_offset;
 294         bool iv_offset_relative_to_alignmask;
 295         bool key_offset_relative_to_alignmask;
 296         enum finalization_type finalization_type;
 297         bool nosimd;
 298 };
 299
 300 #define TESTVEC_CONFIG_NAMELEN  192
 301
 302 /*
 303  * The following are the lists of testvec_configs to test for each algorithm
 304  * type when the basic crypto self-tests are enabled, i.e. when
 305  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
 306  * coverage, while keeping the test time much shorter than the full fuzz tests
 307  * so that the basic tests can be enabled in a wider range of circumstances.
 308  */
 309
 310 /* Configs for skciphers and aeads */
 311 static const struct testvec_config default_cipher_testvec_configs[] = {
 312         {
 313                 .name = "in-place",
 314                 .inplace = true,
 315                 .src_divs = { { .proportion_of_total = 10000 } },
 316         }, {
 317                 .name = "out-of-place",
 318                 .src_divs = { { .proportion_of_total = 10000 } },
 319         }, {
 320                 .name = "unaligned buffer, offset=1",
 321                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 322                 .iv_offset = 1,
 323                 .key_offset = 1,
 324         }, {
 325                 .name = "buffer aligned only to alignmask",
 326                 .src_divs = {
 327                         {
 328                                 .proportion_of_total = 10000,
 329                                 .offset = 1,
 330                                 .offset_relative_to_alignmask = true,
 331                         },
 332                 },
 333                 .iv_offset = 1,
 334                 .iv_offset_relative_to_alignmask = true,
 335                 .key_offset = 1,
 336                 .key_offset_relative_to_alignmask = true,
 337         }, {
 338                 .name = "two even aligned splits",
 339                 .src_divs = {
 340                         { .proportion_of_total = 5000 },
 341                         { .proportion_of_total = 5000 },
 342                 },
 343         }, {
 344                 .name = "uneven misaligned splits, may sleep",
 345                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 346                 .src_divs = {
 347                         { .proportion_of_total = 1900, .offset = 33 },
 348                         { .proportion_of_total = 3300, .offset = 7  },
 349                         { .proportion_of_total = 4800, .offset = 18 },
 350                 },
 351                 .iv_offset = 3,
 352                 .key_offset = 3,
 353         }, {
 354                 .name = "misaligned splits crossing pages, inplace",
 355                 .inplace = true,
 356                 .src_divs = {
 357                         {
 358                                 .proportion_of_total = 7500,
 359                                 .offset = PAGE_SIZE - 32
 360                         }, {
 361                                 .proportion_of_total = 2500,
 362                                 .offset = PAGE_SIZE - 7
 363                         },
 364                 },
 365         }
 366 };
 367
 368 static const struct testvec_config default_hash_testvec_configs[] = {
 369         {
 370                 .name = "init+update+final aligned buffer",
 371                 .src_divs = { { .proportion_of_total = 10000 } },
 372                 .finalization_type = FINALIZATION_TYPE_FINAL,
 373         }, {
 374                 .name = "init+finup aligned buffer",
 375                 .src_divs = { { .proportion_of_total = 10000 } },
 376                 .finalization_type = FINALIZATION_TYPE_FINUP,
 377         }, {
 378                 .name = "digest aligned buffer",
 379                 .src_divs = { { .proportion_of_total = 10000 } },
 380                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 381         }, {
 382                 .name = "init+update+final misaligned buffer",
 383                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 384                 .finalization_type = FINALIZATION_TYPE_FINAL,
 385                 .key_offset = 1,
 386         }, {
 387                 .name = "digest buffer aligned only to alignmask",
 388                 .src_divs = {
 389                         {
 390                                 .proportion_of_total = 10000,
 391                                 .offset = 1,
 392                                 .offset_relative_to_alignmask = true,
 393                         },
 394                 },
 395                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 396                 .key_offset = 1,
 397                 .key_offset_relative_to_alignmask = true,
 398         }, {
 399                 .name = "init+update+update+final two even splits",
 400                 .src_divs = {
 401                         { .proportion_of_total = 5000 },
 402                         {
 403                                 .proportion_of_total = 5000,
 404                                 .flush_type = FLUSH_TYPE_FLUSH,
 405                         },
 406                 },
 407                 .finalization_type = FINALIZATION_TYPE_FINAL,
 408         }, {
 409                 .name = "digest uneven misaligned splits, may sleep",
 410                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 411                 .src_divs = {
 412                         { .proportion_of_total = 1900, .offset = 33 },
 413                         { .proportion_of_total = 3300, .offset = 7  },
 414                         { .proportion_of_total = 4800, .offset = 18 },
 415                 },
 416                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 417         }, {
 418                 .name = "digest misaligned splits crossing pages",
 419                 .src_divs = {
 420                         {
 421                                 .proportion_of_total = 7500,
 422                                 .offset = PAGE_SIZE - 32,
 423                         }, {
 424                                 .proportion_of_total = 2500,
 425                                 .offset = PAGE_SIZE - 7,
 426                         },
 427                 },
 428                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 429         }, {
 430                 .name = "import/export",
 431                 .src_divs = {
 432                         {
 433                                 .proportion_of_total = 6500,
 434                                 .flush_type = FLUSH_TYPE_REIMPORT,
 435                         }, {
 436                                 .proportion_of_total = 3500,
 437                                 .flush_type = FLUSH_TYPE_REIMPORT,
 438                         },
 439                 },
 440                 .finalization_type = FINALIZATION_TYPE_FINAL,
 441         }
 442 };
 443
 444 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 445 {
 446         unsigned int remaining = TEST_SG_TOTAL;
 447         unsigned int ndivs = 0;
 448
 449         do {
 450                 remaining -= divs[ndivs++].proportion_of_total;
 451         } while (remaining);
 452
 453         return ndivs;
 454 }
 455
 456 #define SGDIVS_HAVE_FLUSHES     BIT(0)
 457 #define SGDIVS_HAVE_NOSIMD      BIT(1)
 458
 459 static bool valid_sg_divisions(const struct test_sg_division *divs,
 460                                unsigned int count, int *flags_ret)
 461 {
 462         unsigned int total = 0;
 463         unsigned int i;
 464
 465         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 466                 if (divs[i].proportion_of_total <= 0 ||
 467                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 468                         return false;
 469                 total += divs[i].proportion_of_total;
 470                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
 471                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
 472                 if (divs[i].nosimd)
 473                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
 474         }
 475         return total == TEST_SG_TOTAL &&
 476                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 477 }
 478
 479 /*
 480  * Check whether the given testvec_config is valid.  This isn't strictly needed
 481  * since every testvec_config should be valid, but check anyway so that people
 482  * don't unknowingly add broken configs that don't do what they wanted.
 483  */
 484 static bool valid_testvec_config(const struct testvec_config *cfg)
 485 {
 486         int flags = 0;
 487
 488         if (cfg->name == NULL)
 489                 return false;
 490
 491         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 492                                 &flags))
 493                 return false;
 494
 495         if (cfg->dst_divs[0].proportion_of_total) {
 496                 if (!valid_sg_divisions(cfg->dst_divs,
 497                                         ARRAY_SIZE(cfg->dst_divs), &flags))
 498                         return false;
 499         } else {
 500                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 501                         return false;
 502                 /* defaults to dst_divs=src_divs */
 503         }
 504
 505         if (cfg->iv_offset +
 506             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 507             MAX_ALGAPI_ALIGNMASK + 1)
 508                 return false;
 509
 510         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 511             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 512                 return false;
 513
 514         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 515             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 516                 return false;
 517
 518         return true;
 519 }
 520
 521 struct test_sglist {
 522         char *bufs[XBUFSIZE];
 523         struct scatterlist sgl[XBUFSIZE];
 524         struct scatterlist sgl_saved[XBUFSIZE];
 525         struct scatterlist *sgl_ptr;
 526         unsigned int nents;
 527 };
 528
 529 static int init_test_sglist(struct test_sglist *tsgl)
 530 {
 531         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 532 }
 533
 534 static void destroy_test_sglist(struct test_sglist *tsgl)
 535 {
 536         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 537 }
 538
 539 /**
 540  * build_test_sglist() - build a scatterlist for a crypto test
 541  *
 542  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 543  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 544  * @divs: the layout specification on which the scatterlist will be based
 545  * @alignmask: the algorithm's alignmask
 546  * @total_len: the total length of the scatterlist to build in bytes
 547  * @data: if non-NULL, the buffers will be filled with this data until it ends.
 548  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
 549  *        past the end of each buffer will be poisoned to help detect overruns.
 550  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 551  *            corresponds will be returned here.  This will match @divs except
 552  *            that divisions resolving to a length of 0 are omitted as they are
 553  *            not included in the scatterlist.
 554  *
 555  * Return: 0 or a -errno value
 556  */
 557 static int build_test_sglist(struct test_sglist *tsgl,
 558                              const struct test_sg_division *divs,
 559                              const unsigned int alignmask,
 560                              const unsigned int total_len,
 561                              struct iov_iter *data,
 562                              const struct test_sg_division *out_divs[XBUFSIZE])
 563 {
 564         struct {
 565                 const struct test_sg_division *div;
 566                 size_t length;
 567         } partitions[XBUFSIZE];
 568         const unsigned int ndivs = count_test_sg_divisions(divs);
 569         unsigned int len_remaining = total_len;
 570         unsigned int i;
 571
 572         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 573         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 574                 return -EINVAL;
 575
 576         /* Calculate the (div, length) pairs */
 577         tsgl->nents = 0;
 578         for (i = 0; i < ndivs; i++) {
 579                 unsigned int len_this_sg =
 580                         min(len_remaining,
 581                             (total_len * divs[i].proportion_of_total +
 582                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 583
 584                 if (len_this_sg != 0) {
 585                         partitions[tsgl->nents].div = &divs[i];
 586                         partitions[tsgl->nents].length = len_this_sg;
 587                         tsgl->nents++;
 588                         len_remaining -= len_this_sg;
 589                 }
 590         }
 591         if (tsgl->nents == 0) {
 592                 partitions[tsgl->nents].div = &divs[0];
 593                 partitions[tsgl->nents].length = 0;
 594                 tsgl->nents++;
 595         }
 596         partitions[tsgl->nents - 1].length += len_remaining;
 597
 598         /* Set up the sgl entries and fill the data or poison */
 599         sg_init_table(tsgl->sgl, tsgl->nents);
 600         for (i = 0; i < tsgl->nents; i++) {
 601                 unsigned int offset = partitions[i].div->offset;
 602                 void *addr;
 603
 604                 if (partitions[i].div->offset_relative_to_alignmask)
 605                         offset += alignmask;
 606
 607                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 608                        2 * PAGE_SIZE) {
 609                         if (WARN_ON(offset <= 0))
 610                                 return -EINVAL;
 611                         offset /= 2;
 612                 }
 613
 614                 addr = &tsgl->bufs[i][offset];
 615                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 616
 617                 if (out_divs)
 618                         out_divs[i] = partitions[i].div;
 619
 620                 if (data) {
 621                         size_t copy_len, copied;
 622
 623                         copy_len = min(partitions[i].length, data->count);
 624                         copied = copy_from_iter(addr, copy_len, data);
 625                         if (WARN_ON(copied != copy_len))
 626                                 return -EINVAL;
 627                         testmgr_poison(addr + copy_len, partitions[i].length +
 628                                        TESTMGR_POISON_LEN - copy_len);
 629                 } else {
 630                         testmgr_poison(addr, partitions[i].length +
 631                                        TESTMGR_POISON_LEN);
 632                 }
 633         }
 634
 635         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 636         tsgl->sgl_ptr = tsgl->sgl;
 637         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 638         return 0;
 639 }
 640
 641 /*
 642  * Verify that a scatterlist crypto operation produced the correct output.
 643  *
 644  * @tsgl: scatterlist containing the actual output
 645  * @expected_output: buffer containing the expected output
 646  * @len_to_check: length of @expected_output in bytes
 647  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 648  * @check_poison: verify that the poison bytes after each chunk are intact?
 649  *
 650  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 651  */
 652 static int verify_correct_output(const struct test_sglist *tsgl,
 653                                  const char *expected_output,
 654                                  unsigned int len_to_check,
 655                                  unsigned int unchecked_prefix_len,
 656                                  bool check_poison)
 657 {
 658         unsigned int i;
 659
 660         for (i = 0; i < tsgl->nents; i++) {
 661                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
 662                 unsigned int len = sg->length;
 663                 unsigned int offset = sg->offset;
 664                 const char *actual_output;
 665
 666                 if (unchecked_prefix_len) {
 667                         if (unchecked_prefix_len >= len) {
 668                                 unchecked_prefix_len -= len;
 669                                 continue;
 670                         }
 671                         offset += unchecked_prefix_len;
 672                         len -= unchecked_prefix_len;
 673                         unchecked_prefix_len = 0;
 674                 }
 675                 len = min(len, len_to_check);
 676                 actual_output = page_address(sg_page(sg)) + offset;
 677                 if (memcmp(expected_output, actual_output, len) != 0)
 678                         return -EINVAL;
 679                 if (check_poison &&
 680                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 681                         return -EOVERFLOW;
 682                 len_to_check -= len;
 683                 expected_output += len;
 684         }
 685         if (WARN_ON(len_to_check != 0))
 686                 return -EINVAL;
 687         return 0;
 688 }
 689
 690 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 691 {
 692         unsigned int i;
 693
 694         for (i = 0; i < tsgl->nents; i++) {
 695                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 696                         return true;
 697                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 698                         return true;
 699                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 700                         return true;
 701         }
 702         return false;
 703 }
 704
 705 struct cipher_test_sglists {
 706         struct test_sglist src;
 707         struct test_sglist dst;
 708 };
 709
 710 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 711 {
 712         struct cipher_test_sglists *tsgls;
 713
 714         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 715         if (!tsgls)
 716                 return NULL;
 717
 718         if (init_test_sglist(&tsgls->src) != 0)
 719                 goto fail_kfree;
 720         if (init_test_sglist(&tsgls->dst) != 0)
 721                 goto fail_destroy_src;
 722
 723         return tsgls;
 724
 725 fail_destroy_src:
 726         destroy_test_sglist(&tsgls->src);
 727 fail_kfree:
 728         kfree(tsgls);
 729         return NULL;
 730 }
 731
 732 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 733 {
 734         if (tsgls) {
 735                 destroy_test_sglist(&tsgls->src);
 736                 destroy_test_sglist(&tsgls->dst);
 737                 kfree(tsgls);
 738         }
 739 }
 740
 741 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 742 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 743                                      const struct testvec_config *cfg,
 744                                      unsigned int alignmask,
 745                                      unsigned int src_total_len,
 746                                      unsigned int dst_total_len,
 747                                      const struct kvec *inputs,
 748                                      unsigned int nr_inputs)
 749 {
 750         struct iov_iter input;
 751         int err;
 752
 753         iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
 754         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 755                                 cfg->inplace ?
 756                                         max(dst_total_len, src_total_len) :
 757                                         src_total_len,
 758                                 &input, NULL);
 759         if (err)
 760                 return err;
 761
 762         if (cfg->inplace) {
 763                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
 764                 tsgls->dst.nents = tsgls->src.nents;
 765                 return 0;
 766         }
 767         return build_test_sglist(&tsgls->dst,
 768                                  cfg->dst_divs[0].proportion_of_total ?
 769                                         cfg->dst_divs : cfg->src_divs,
 770                                  alignmask, dst_total_len, NULL, NULL);
 771 }
 772
 773 /*
 774  * Support for testing passing a misaligned key to setkey():
 775  *
 776  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 777  * optionally adding alignmask.  Else, just use the key directly.
 778  */
 779 static int prepare_keybuf(const u8 *key, unsigned int ksize,
 780                           const struct testvec_config *cfg,
 781                           unsigned int alignmask,
 782                           const u8 **keybuf_ret, const u8 **keyptr_ret)
 783 {
 784         unsigned int key_offset = cfg->key_offset;
 785         u8 *keybuf = NULL, *keyptr = (u8 *)key;
 786
 787         if (key_offset != 0) {
 788                 if (cfg->key_offset_relative_to_alignmask)
 789                         key_offset += alignmask;
 790                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 791                 if (!keybuf)
 792                         return -ENOMEM;
 793                 keyptr = keybuf + key_offset;
 794                 memcpy(keyptr, key, ksize);
 795         }
 796         *keybuf_ret = keybuf;
 797         *keyptr_ret = keyptr;
 798         return 0;
 799 }
 800
 801 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 802 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
 803 ({                                                                      \
 804         const u8 *keybuf, *keyptr;                                      \
 805         int err;                                                        \
 806                                                                         \
 807         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
 808                              &keybuf, &keyptr);                         \
 809         if (err == 0) {                                                 \
 810                 err = setkey_f((tfm), keyptr, (ksize));                 \
 811                 kfree(keybuf);                                          \
 812         }                                                               \
 813         err;                                                            \
 814 })
 815
 816 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 817
 818 /* Generate a random length in range [0, max_len], but prefer smaller values */
 819 static unsigned int generate_random_length(unsigned int max_len)
 820 {
 821         unsigned int len = prandom_u32() % (max_len + 1);
 822
 823         switch (prandom_u32() % 4) {
 824         case 0:
 825                 return len % 64;
 826         case 1:
 827                 return len % 256;
 828         case 2:
 829                 return len % 1024;
 830         default:
 831                 return len;
 832         }
 833 }
 834
 835 /* Flip a random bit in the given nonempty data buffer */
 836 static void flip_random_bit(u8 *buf, size_t size)
 837 {
 838         size_t bitpos;
 839
 840         bitpos = prandom_u32() % (size * 8);
 841         buf[bitpos / 8] ^= 1 << (bitpos % 8);
 842 }
 843
 844 /* Flip a random byte in the given nonempty data buffer */
 845 static void flip_random_byte(u8 *buf, size_t size)
 846 {
 847         buf[prandom_u32() % size] ^= 0xff;
 848 }
 849
 850 /* Sometimes make some random changes to the given nonempty data buffer */
 851 static void mutate_buffer(u8 *buf, size_t size)
 852 {
 853         size_t num_flips;
 854         size_t i;
 855
 856         /* Sometimes flip some bits */
 857         if (prandom_u32() % 4 == 0) {
 858                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
 859                 for (i = 0; i < num_flips; i++)
 860                         flip_random_bit(buf, size);
 861         }
 862
 863         /* Sometimes flip some bytes */
 864         if (prandom_u32() % 4 == 0) {
 865                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
 866                 for (i = 0; i < num_flips; i++)
 867                         flip_random_byte(buf, size);
 868         }
 869 }
 870
 871 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 872 static void generate_random_bytes(u8 *buf, size_t count)
 873 {
 874         u8 b;
 875         u8 increment;
 876         size_t i;
 877
 878         if (count == 0)
 879                 return;
 880
 881         switch (prandom_u32() % 8) { /* Choose a generation strategy */
 882         case 0:
 883         case 1:
 884                 /* All the same byte, plus optional mutations */
 885                 switch (prandom_u32() % 4) {
 886                 case 0:
 887                         b = 0x00;
 888                         break;
 889                 case 1:
 890                         b = 0xff;
 891                         break;
 892                 default:
 893                         b = (u8)prandom_u32();
 894                         break;
 895                 }
 896                 memset(buf, b, count);
 897                 mutate_buffer(buf, count);
 898                 break;
 899         case 2:
 900                 /* Ascending or descending bytes, plus optional mutations */
 901                 increment = (u8)prandom_u32();
 902                 b = (u8)prandom_u32();
 903                 for (i = 0; i < count; i++, b += increment)
 904                         buf[i] = b;
 905                 mutate_buffer(buf, count);
 906                 break;
 907         default:
 908                 /* Fully random bytes */
 909                 for (i = 0; i < count; i++)
 910                         buf[i] = (u8)prandom_u32();
 911         }
 912 }
 913
 914 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
 915                                            size_t max_divs, char *p, char *end,
 916                                            bool gen_flushes, u32 req_flags)
 917 {
 918         struct test_sg_division *div = divs;
 919         unsigned int remaining = TEST_SG_TOTAL;
 920
 921         do {
 922                 unsigned int this_len;
 923                 const char *flushtype_str;
 924
 925                 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
 926                         this_len = remaining;
 927                 else
 928                         this_len = 1 + (prandom_u32() % remaining);
 929                 div->proportion_of_total = this_len;
 930
 931                 if (prandom_u32() % 4 == 0)
 932                         div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
 933                 else if (prandom_u32() % 2 == 0)
 934                         div->offset = prandom_u32() % 32;
 935                 else
 936                         div->offset = prandom_u32() % PAGE_SIZE;
 937                 if (prandom_u32() % 8 == 0)
 938                         div->offset_relative_to_alignmask = true;
 939
 940                 div->flush_type = FLUSH_TYPE_NONE;
 941                 if (gen_flushes) {
 942                         switch (prandom_u32() % 4) {
 943                         case 0:
 944                                 div->flush_type = FLUSH_TYPE_REIMPORT;
 945                                 break;
 946                         case 1:
 947                                 div->flush_type = FLUSH_TYPE_FLUSH;
 948                                 break;
 949                         }
 950                 }
 951
 952                 if (div->flush_type != FLUSH_TYPE_NONE &&
 953                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
 954                     prandom_u32() % 2 == 0)
 955                         div->nosimd = true;
 956
 957                 switch (div->flush_type) {
 958                 case FLUSH_TYPE_FLUSH:
 959                         if (div->nosimd)
 960                                 flushtype_str = "<flush,nosimd>";
 961                         else
 962                                 flushtype_str = "<flush>";
 963                         break;
 964                 case FLUSH_TYPE_REIMPORT:
 965                         if (div->nosimd)
 966                                 flushtype_str = "<reimport,nosimd>";
 967                         else
 968                                 flushtype_str = "<reimport>";
 969                         break;
 970                 default:
 971                         flushtype_str = "";
 972                         break;
 973                 }
 974
 975                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
 976                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
 977                                this_len / 100, this_len % 100,
 978                                div->offset_relative_to_alignmask ?
 979                                         "alignmask" : "",
 980                                div->offset, this_len == remaining ? "" : ", ");
 981                 remaining -= this_len;
 982                 div++;
 983         } while (remaining);
 984
 985         return p;
 986 }
 987
 988 /* Generate a random testvec_config for fuzz testing */
 989 static void generate_random_testvec_config(struct testvec_config *cfg,
 990                                            char *name, size_t max_namelen)
 991 {
 992         char *p = name;
 993         char * const end = name + max_namelen;
 994
 995         memset(cfg, 0, sizeof(*cfg));
 996
 997         cfg->name = name;
 998
 999         p += scnprintf(p, end - p, "random:");
1000
1001         if (prandom_u32() % 2 == 0) {
1002                 cfg->inplace = true;
1003                 p += scnprintf(p, end - p, " inplace");
1004         }
1005
1006         if (prandom_u32() % 2 == 0) {
1007                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1008                 p += scnprintf(p, end - p, " may_sleep");
1009         }
1010
1011         switch (prandom_u32() % 4) {
1012         case 0:
1013                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1014                 p += scnprintf(p, end - p, " use_final");
1015                 break;
1016         case 1:
1017                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1018                 p += scnprintf(p, end - p, " use_finup");
1019                 break;
1020         default:
1021                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1022                 p += scnprintf(p, end - p, " use_digest");
1023                 break;
1024         }
1025
1026         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1027             prandom_u32() % 2 == 0) {
1028                 cfg->nosimd = true;
1029                 p += scnprintf(p, end - p, " nosimd");
1030         }
1031
1032         p += scnprintf(p, end - p, " src_divs=[");
1033         p = generate_random_sgl_divisions(cfg->src_divs,
1034                                           ARRAY_SIZE(cfg->src_divs), p, end,
1035                                           (cfg->finalization_type !=
1036                                            FINALIZATION_TYPE_DIGEST),
1037                                           cfg->req_flags);
1038         p += scnprintf(p, end - p, "]");
1039
1040         if (!cfg->inplace && prandom_u32() % 2 == 0) {
1041                 p += scnprintf(p, end - p, " dst_divs=[");
1042                 p = generate_random_sgl_divisions(cfg->dst_divs,
1043                                                   ARRAY_SIZE(cfg->dst_divs),
1044                                                   p, end, false,
1045                                                   cfg->req_flags);
1046                 p += scnprintf(p, end - p, "]");
1047         }
1048
1049         if (prandom_u32() % 2 == 0) {
1050                 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1051                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1052         }
1053
1054         if (prandom_u32() % 2 == 0) {
1055                 cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1056                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1057         }
1058
1059         WARN_ON_ONCE(!valid_testvec_config(cfg));
1060 }
1061
1062 static void crypto_disable_simd_for_test(void)
1063 {
1064         preempt_disable();
1065         __this_cpu_write(crypto_simd_disabled_for_test, true);
1066 }
1067
1068 static void crypto_reenable_simd_for_test(void)
1069 {
1070         __this_cpu_write(crypto_simd_disabled_for_test, false);
1071         preempt_enable();
1072 }
1073
1074 /*
1075  * Given an algorithm name, build the name of the generic implementation of that
1076  * algorithm, assuming the usual naming convention.  Specifically, this appends
1077  * "-generic" to every part of the name that is not a template name.  Examples:
1078  *
1079  *      aes => aes-generic
1080  *      cbc(aes) => cbc(aes-generic)
1081  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1082  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1083  *
1084  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1085  */
1086 static int build_generic_driver_name(const char *algname,
1087                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1088 {
1089         const char *in = algname;
1090         char *out = driver_name;
1091         size_t len = strlen(algname);
1092
1093         if (len >= CRYPTO_MAX_ALG_NAME)
1094                 goto too_long;
1095         do {
1096                 const char *in_saved = in;
1097
1098                 while (*in && *in != '(' && *in != ')' && *in != ',')
1099                         *out++ = *in++;
1100                 if (*in != '(' && in > in_saved) {
1101                         len += 8;
1102                         if (len >= CRYPTO_MAX_ALG_NAME)
1103                                 goto too_long;
1104                         memcpy(out, "-generic", 8);
1105                         out += 8;
1106                 }
1107         } while ((*out++ = *in++) != '\0');
1108         return 0;
1109
1110 too_long:
1111         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1112                algname);
1113         return -ENAMETOOLONG;
1114 }
1115 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1116 static void crypto_disable_simd_for_test(void)
1117 {
1118 }
1119
1120 static void crypto_reenable_simd_for_test(void)
1121 {
1122 }
1123 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1124
1125 static int build_hash_sglist(struct test_sglist *tsgl,
1126                              const struct hash_testvec *vec,
1127                              const struct testvec_config *cfg,
1128                              unsigned int alignmask,
1129                              const struct test_sg_division *divs[XBUFSIZE])
1130 {
1131         struct kvec kv;
1132         struct iov_iter input;
1133
1134         kv.iov_base = (void *)vec->plaintext;
1135         kv.iov_len = vec->psize;
1136         iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1137         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1138                                  &input, divs);
1139 }
1140
1141 static int check_hash_result(const char *type,
1142                              const u8 *result, unsigned int digestsize,
1143                              const struct hash_testvec *vec,
1144                              const char *vec_name,
1145                              const char *driver,
1146                              const struct testvec_config *cfg)
1147 {
1148         if (memcmp(result, vec->digest, digestsize) != 0) {
1149                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1150                        type, driver, vec_name, cfg->name);
1151                 return -EINVAL;
1152         }
1153         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1154                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1155                        type, driver, vec_name, cfg->name);
1156                 return -EOVERFLOW;
1157         }
1158         return 0;
1159 }
1160
1161 static inline int check_shash_op(const char *op, int err,
1162                                  const char *driver, const char *vec_name,
1163                                  const struct testvec_config *cfg)
1164 {
1165         if (err)
1166                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1167                        driver, op, err, vec_name, cfg->name);
1168         return err;
1169 }
1170
1171 /* Test one hash test vector in one configuration, using the shash API */
1172 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1173                               const char *vec_name,
1174                               const struct testvec_config *cfg,
1175                               struct shash_desc *desc,
1176                               struct test_sglist *tsgl,
1177                               u8 *hashstate)
1178 {
1179         struct crypto_shash *tfm = desc->tfm;
1180         const unsigned int alignmask = crypto_shash_alignmask(tfm);
1181         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1182         const unsigned int statesize = crypto_shash_statesize(tfm);
1183         const char *driver = crypto_shash_driver_name(tfm);
1184         const struct test_sg_division *divs[XBUFSIZE];
1185         unsigned int i;
1186         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1187         int err;
1188
1189         /* Set the key, if specified */
1190         if (vec->ksize) {
1191                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1192                                 cfg, alignmask);
1193                 if (err) {
1194                         if (err == vec->setkey_error)
1195                                 return 0;
1196                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1197                                driver, vec_name, vec->setkey_error, err,
1198                                crypto_shash_get_flags(tfm));
1199                         return err;
1200                 }
1201                 if (vec->setkey_error) {
1202                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1203                                driver, vec_name, vec->setkey_error);
1204                         return -EINVAL;
1205                 }
1206         }
1207
1208         /* Build the scatterlist for the source data */
1209         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1210         if (err) {
1211                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1212                        driver, vec_name, cfg->name);
1213                 return err;
1214         }
1215
1216         /* Do the actual hashing */
1217
1218         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1219         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1220
1221         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1222             vec->digest_error) {
1223                 /* Just using digest() */
1224                 if (tsgl->nents != 1)
1225                         return 0;
1226                 if (cfg->nosimd)
1227                         crypto_disable_simd_for_test();
1228                 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1229                                           tsgl->sgl[0].length, result);
1230                 if (cfg->nosimd)
1231                         crypto_reenable_simd_for_test();
1232                 if (err) {
1233                         if (err == vec->digest_error)
1234                                 return 0;
1235                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1236                                driver, vec_name, vec->digest_error, err,
1237                                cfg->name);
1238                         return err;
1239                 }
1240                 if (vec->digest_error) {
1241                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1242                                driver, vec_name, vec->digest_error, cfg->name);
1243                         return -EINVAL;
1244                 }
1245                 goto result_ready;
1246         }
1247
1248         /* Using init(), zero or more update(), then final() or finup() */
1249
1250         if (cfg->nosimd)
1251                 crypto_disable_simd_for_test();
1252         err = crypto_shash_init(desc);
1253         if (cfg->nosimd)
1254                 crypto_reenable_simd_for_test();
1255         err = check_shash_op("init", err, driver, vec_name, cfg);
1256         if (err)
1257                 return err;
1258
1259         for (i = 0; i < tsgl->nents; i++) {
1260                 if (i + 1 == tsgl->nents &&
1261                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1262                         if (divs[i]->nosimd)
1263                                 crypto_disable_simd_for_test();
1264                         err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1265                                                  tsgl->sgl[i].length, result);
1266                         if (divs[i]->nosimd)
1267                                 crypto_reenable_simd_for_test();
1268                         err = check_shash_op("finup", err, driver, vec_name,
1269                                              cfg);
1270                         if (err)
1271                                 return err;
1272                         goto result_ready;
1273                 }
1274                 if (divs[i]->nosimd)
1275                         crypto_disable_simd_for_test();
1276                 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1277                                           tsgl->sgl[i].length);
1278                 if (divs[i]->nosimd)
1279                         crypto_reenable_simd_for_test();
1280                 err = check_shash_op("update", err, driver, vec_name, cfg);
1281                 if (err)
1282                         return err;
1283                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1284                         /* Test ->export() and ->import() */
1285                         testmgr_poison(hashstate + statesize,
1286                                        TESTMGR_POISON_LEN);
1287                         err = crypto_shash_export(desc, hashstate);
1288                         err = check_shash_op("export", err, driver, vec_name,
1289                                              cfg);
1290                         if (err)
1291                                 return err;
1292                         if (!testmgr_is_poison(hashstate + statesize,
1293                                                TESTMGR_POISON_LEN)) {
1294                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1295                                        driver, vec_name, cfg->name);
1296                                 return -EOVERFLOW;
1297                         }
1298                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1299                         err = crypto_shash_import(desc, hashstate);
1300                         err = check_shash_op("import", err, driver, vec_name,
1301                                              cfg);
1302                         if (err)
1303                                 return err;
1304                 }
1305         }
1306
1307         if (cfg->nosimd)
1308                 crypto_disable_simd_for_test();
1309         err = crypto_shash_final(desc, result);
1310         if (cfg->nosimd)
1311                 crypto_reenable_simd_for_test();
1312         err = check_shash_op("final", err, driver, vec_name, cfg);
1313         if (err)
1314                 return err;
1315 result_ready:
1316         return check_hash_result("shash", result, digestsize, vec, vec_name,
1317                                  driver, cfg);
1318 }
1319
1320 static int do_ahash_op(int (*op)(struct ahash_request *req),
1321                        struct ahash_request *req,
1322                        struct crypto_wait *wait, bool nosimd)
1323 {
1324         int err;
1325
1326         if (nosimd)
1327                 crypto_disable_simd_for_test();
1328
1329         err = op(req);
1330
1331         if (nosimd)
1332                 crypto_reenable_simd_for_test();
1333
1334         return crypto_wait_req(err, wait);
1335 }
1336
1337 static int check_nonfinal_ahash_op(const char *op, int err,
1338                                    u8 *result, unsigned int digestsize,
1339                                    const char *driver, const char *vec_name,
1340                                    const struct testvec_config *cfg)
1341 {
1342         if (err) {
1343                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1344                        driver, op, err, vec_name, cfg->name);
1345                 return err;
1346         }
1347         if (!testmgr_is_poison(result, digestsize)) {
1348                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1349                        driver, op, vec_name, cfg->name);
1350                 return -EINVAL;
1351         }
1352         return 0;
1353 }
1354
1355 /* Test one hash test vector in one configuration, using the ahash API */
1356 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1357                               const char *vec_name,
1358                               const struct testvec_config *cfg,
1359                               struct ahash_request *req,
1360                               struct test_sglist *tsgl,
1361                               u8 *hashstate)
1362 {
1363         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1364         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1365         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1366         const unsigned int statesize = crypto_ahash_statesize(tfm);
1367         const char *driver = crypto_ahash_driver_name(tfm);
1368         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1369         const struct test_sg_division *divs[XBUFSIZE];
1370         DECLARE_CRYPTO_WAIT(wait);
1371         unsigned int i;
1372         struct scatterlist *pending_sgl;
1373         unsigned int pending_len;
1374         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1375         int err;
1376
1377         /* Set the key, if specified */
1378         if (vec->ksize) {
1379                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1380                                 cfg, alignmask);
1381                 if (err) {
1382                         if (err == vec->setkey_error)
1383                                 return 0;
1384                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1385                                driver, vec_name, vec->setkey_error, err,
1386                                crypto_ahash_get_flags(tfm));
1387                         return err;
1388                 }
1389                 if (vec->setkey_error) {
1390                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1391                                driver, vec_name, vec->setkey_error);
1392                         return -EINVAL;
1393                 }
1394         }
1395
1396         /* Build the scatterlist for the source data */
1397         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1398         if (err) {
1399                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1400                        driver, vec_name, cfg->name);
1401                 return err;
1402         }
1403
1404         /* Do the actual hashing */
1405
1406         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1407         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1408
1409         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1410             vec->digest_error) {
1411                 /* Just using digest() */
1412                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1413                                            &wait);
1414                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1415                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1416                 if (err) {
1417                         if (err == vec->digest_error)
1418                                 return 0;
1419                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1420                                driver, vec_name, vec->digest_error, err,
1421                                cfg->name);
1422                         return err;
1423                 }
1424                 if (vec->digest_error) {
1425                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1426                                driver, vec_name, vec->digest_error, cfg->name);
1427                         return -EINVAL;
1428                 }
1429                 goto result_ready;
1430         }
1431
1432         /* Using init(), zero or more update(), then final() or finup() */
1433
1434         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1435         ahash_request_set_crypt(req, NULL, result, 0);
1436         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1437         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1438                                       driver, vec_name, cfg);
1439         if (err)
1440                 return err;
1441
1442         pending_sgl = NULL;
1443         pending_len = 0;
1444         for (i = 0; i < tsgl->nents; i++) {
1445                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1446                     pending_sgl != NULL) {
1447                         /* update() with the pending data */
1448                         ahash_request_set_callback(req, req_flags,
1449                                                    crypto_req_done, &wait);
1450                         ahash_request_set_crypt(req, pending_sgl, result,
1451                                                 pending_len);
1452                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1453                                           divs[i]->nosimd);
1454                         err = check_nonfinal_ahash_op("update", err,
1455                                                       result, digestsize,
1456                                                       driver, vec_name, cfg);
1457                         if (err)
1458                                 return err;
1459                         pending_sgl = NULL;
1460                         pending_len = 0;
1461                 }
1462                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1463                         /* Test ->export() and ->import() */
1464                         testmgr_poison(hashstate + statesize,
1465                                        TESTMGR_POISON_LEN);
1466                         err = crypto_ahash_export(req, hashstate);
1467                         err = check_nonfinal_ahash_op("export", err,
1468                                                       result, digestsize,
1469                                                       driver, vec_name, cfg);
1470                         if (err)
1471                                 return err;
1472                         if (!testmgr_is_poison(hashstate + statesize,
1473                                                TESTMGR_POISON_LEN)) {
1474                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1475                                        driver, vec_name, cfg->name);
1476                                 return -EOVERFLOW;
1477                         }
1478
1479                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1480                         err = crypto_ahash_import(req, hashstate);
1481                         err = check_nonfinal_ahash_op("import", err,
1482                                                       result, digestsize,
1483                                                       driver, vec_name, cfg);
1484                         if (err)
1485                                 return err;
1486                 }
1487                 if (pending_sgl == NULL)
1488                         pending_sgl = &tsgl->sgl[i];
1489                 pending_len += tsgl->sgl[i].length;
1490         }
1491
1492         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1493         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1494         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1495                 /* finish with update() and final() */
1496                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1497                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1498                                               driver, vec_name, cfg);
1499                 if (err)
1500                         return err;
1501                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1502                 if (err) {
1503                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1504                                driver, err, vec_name, cfg->name);
1505                         return err;
1506                 }
1507         } else {
1508                 /* finish with finup() */
1509                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1510                 if (err) {
1511                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1512                                driver, err, vec_name, cfg->name);
1513                         return err;
1514                 }
1515         }
1516
1517 result_ready:
1518         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1519                                  driver, cfg);
1520 }
1521
1522 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1523                              const char *vec_name,
1524                              const struct testvec_config *cfg,
1525                              struct ahash_request *req,
1526                              struct shash_desc *desc,
1527                              struct test_sglist *tsgl,
1528                              u8 *hashstate)
1529 {
1530         int err;
1531
1532         /*
1533          * For algorithms implemented as "shash", most bugs will be detected by
1534          * both the shash and ahash tests.  Test the shash API first so that the
1535          * failures involve less indirection, so are easier to debug.
1536          */
1537
1538         if (desc) {
1539                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1540                                          hashstate);
1541                 if (err)
1542                         return err;
1543         }
1544
1545         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1546 }
1547
1548 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1549                          struct ahash_request *req, struct shash_desc *desc,
1550                          struct test_sglist *tsgl, u8 *hashstate)
1551 {
1552         char vec_name[16];
1553         unsigned int i;
1554         int err;
1555
1556         sprintf(vec_name, "%u", vec_num);
1557
1558         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1559                 err = test_hash_vec_cfg(vec, vec_name,
1560                                         &default_hash_testvec_configs[i],
1561                                         req, desc, tsgl, hashstate);
1562                 if (err)
1563                         return err;
1564         }
1565
1566 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1567         if (!noextratests) {
1568                 struct testvec_config cfg;
1569                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1570
1571                 for (i = 0; i < fuzz_iterations; i++) {
1572                         generate_random_testvec_config(&cfg, cfgname,
1573                                                        sizeof(cfgname));
1574                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1575                                                 req, desc, tsgl, hashstate);
1576                         if (err)
1577                                 return err;
1578                         cond_resched();
1579                 }
1580         }
1581 #endif
1582         return 0;
1583 }
1584
1585 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1586 /*
1587  * Generate a hash test vector from the given implementation.
1588  * Assumes the buffers in 'vec' were already allocated.
1589  */
1590 static void generate_random_hash_testvec(struct shash_desc *desc,
1591                                          struct hash_testvec *vec,
1592                                          unsigned int maxkeysize,
1593                                          unsigned int maxdatasize,
1594                                          char *name, size_t max_namelen)
1595 {
1596         /* Data */
1597         vec->psize = generate_random_length(maxdatasize);
1598         generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1599
1600         /*
1601          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1602          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1603          */
1604         vec->setkey_error = 0;
1605         vec->ksize = 0;
1606         if (maxkeysize) {
1607                 vec->ksize = maxkeysize;
1608                 if (prandom_u32() % 4 == 0)
1609                         vec->ksize = 1 + (prandom_u32() % maxkeysize);
1610                 generate_random_bytes((u8 *)vec->key, vec->ksize);
1611
1612                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1613                                                         vec->ksize);
1614                 /* If the key couldn't be set, no need to continue to digest. */
1615                 if (vec->setkey_error)
1616                         goto done;
1617         }
1618
1619         /* Digest */
1620         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1621                                                 vec->psize, (u8 *)vec->digest);
1622 done:
1623         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1624                  vec->psize, vec->ksize);
1625 }
1626
1627 /*
1628  * Test the hash algorithm represented by @req against the corresponding generic
1629  * implementation, if one is available.
1630  */
1631 static int test_hash_vs_generic_impl(const char *generic_driver,
1632                                      unsigned int maxkeysize,
1633                                      struct ahash_request *req,
1634                                      struct shash_desc *desc,
1635                                      struct test_sglist *tsgl,
1636                                      u8 *hashstate)
1637 {
1638         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1639         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1640         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1641         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1642         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1643         const char *driver = crypto_ahash_driver_name(tfm);
1644         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1645         struct crypto_shash *generic_tfm = NULL;
1646         struct shash_desc *generic_desc = NULL;
1647         unsigned int i;
1648         struct hash_testvec vec = { 0 };
1649         char vec_name[64];
1650         struct testvec_config *cfg;
1651         char cfgname[TESTVEC_CONFIG_NAMELEN];
1652         int err;
1653
1654         if (noextratests)
1655                 return 0;
1656
1657         if (!generic_driver) { /* Use default naming convention? */
1658                 err = build_generic_driver_name(algname, _generic_driver);
1659                 if (err)
1660                         return err;
1661                 generic_driver = _generic_driver;
1662         }
1663
1664         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1665                 return 0;
1666
1667         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1668         if (IS_ERR(generic_tfm)) {
1669                 err = PTR_ERR(generic_tfm);
1670                 if (err == -ENOENT) {
1671                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1672                                 driver, generic_driver);
1673                         return 0;
1674                 }
1675                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1676                        generic_driver, algname, err);
1677                 return err;
1678         }
1679
1680         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1681         if (!cfg) {
1682                 err = -ENOMEM;
1683                 goto out;
1684         }
1685
1686         generic_desc = kzalloc(sizeof(*desc) +
1687                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1688         if (!generic_desc) {
1689                 err = -ENOMEM;
1690                 goto out;
1691         }
1692         generic_desc->tfm = generic_tfm;
1693
1694         /* Check the algorithm properties for consistency. */
1695
1696         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1697                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1698                        driver, digestsize,
1699                        crypto_shash_digestsize(generic_tfm));
1700                 err = -EINVAL;
1701                 goto out;
1702         }
1703
1704         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1705                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1706                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1707                 err = -EINVAL;
1708                 goto out;
1709         }
1710
1711         /*
1712          * Now generate test vectors using the generic implementation, and test
1713          * the other implementation against them.
1714          */
1715
1716         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1717         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1718         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1719         if (!vec.key || !vec.plaintext || !vec.digest) {
1720                 err = -ENOMEM;
1721                 goto out;
1722         }
1723
1724         for (i = 0; i < fuzz_iterations * 8; i++) {
1725                 generate_random_hash_testvec(generic_desc, &vec,
1726                                              maxkeysize, maxdatasize,
1727                                              vec_name, sizeof(vec_name));
1728                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1729
1730                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1731                                         req, desc, tsgl, hashstate);
1732                 if (err)
1733                         goto out;
1734                 cond_resched();
1735         }
1736         err = 0;
1737 out:
1738         kfree(cfg);
1739         kfree(vec.key);
1740         kfree(vec.plaintext);
1741         kfree(vec.digest);
1742         crypto_free_shash(generic_tfm);
1743         kfree_sensitive(generic_desc);
1744         return err;
1745 }
1746 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1747 static int test_hash_vs_generic_impl(const char *generic_driver,
1748                                      unsigned int maxkeysize,
1749                                      struct ahash_request *req,
1750                                      struct shash_desc *desc,
1751                                      struct test_sglist *tsgl,
1752                                      u8 *hashstate)
1753 {
1754         return 0;
1755 }
1756 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1757
1758 static int alloc_shash(const char *driver, u32 type, u32 mask,
1759                        struct crypto_shash **tfm_ret,
1760                        struct shash_desc **desc_ret)
1761 {
1762         struct crypto_shash *tfm;
1763         struct shash_desc *desc;
1764
1765         tfm = crypto_alloc_shash(driver, type, mask);
1766         if (IS_ERR(tfm)) {
1767                 if (PTR_ERR(tfm) == -ENOENT) {
1768                         /*
1769                          * This algorithm is only available through the ahash
1770                          * API, not the shash API, so skip the shash tests.
1771                          */
1772                         return 0;
1773                 }
1774                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1775                        driver, PTR_ERR(tfm));
1776                 return PTR_ERR(tfm);
1777         }
1778
1779         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1780         if (!desc) {
1781                 crypto_free_shash(tfm);
1782                 return -ENOMEM;
1783         }
1784         desc->tfm = tfm;
1785
1786         *tfm_ret = tfm;
1787         *desc_ret = desc;
1788         return 0;
1789 }
1790
1791 static int __alg_test_hash(const struct hash_testvec *vecs,
1792                            unsigned int num_vecs, const char *driver,
1793                            u32 type, u32 mask,
1794                            const char *generic_driver, unsigned int maxkeysize)
1795 {
1796         struct crypto_ahash *atfm = NULL;
1797         struct ahash_request *req = NULL;
1798         struct crypto_shash *stfm = NULL;
1799         struct shash_desc *desc = NULL;
1800         struct test_sglist *tsgl = NULL;
1801         u8 *hashstate = NULL;
1802         unsigned int statesize;
1803         unsigned int i;
1804         int err;
1805
1806         /*
1807          * Always test the ahash API.  This works regardless of whether the
1808          * algorithm is implemented as ahash or shash.
1809          */
1810
1811         atfm = crypto_alloc_ahash(driver, type, mask);
1812         if (IS_ERR(atfm)) {
1813                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1814                        driver, PTR_ERR(atfm));
1815                 return PTR_ERR(atfm);
1816         }
1817         driver = crypto_ahash_driver_name(atfm);
1818
1819         req = ahash_request_alloc(atfm, GFP_KERNEL);
1820         if (!req) {
1821                 pr_err("alg: hash: failed to allocate request for %s\n",
1822                        driver);
1823                 err = -ENOMEM;
1824                 goto out;
1825         }
1826
1827         /*
1828          * If available also test the shash API, to cover corner cases that may
1829          * be missed by testing the ahash API only.
1830          */
1831         err = alloc_shash(driver, type, mask, &stfm, &desc);
1832         if (err)
1833                 goto out;
1834
1835         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1836         if (!tsgl || init_test_sglist(tsgl) != 0) {
1837                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1838                        driver);
1839                 kfree(tsgl);
1840                 tsgl = NULL;
1841                 err = -ENOMEM;
1842                 goto out;
1843         }
1844
1845         statesize = crypto_ahash_statesize(atfm);
1846         if (stfm)
1847                 statesize = max(statesize, crypto_shash_statesize(stfm));
1848         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1849         if (!hashstate) {
1850                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1851                        driver);
1852                 err = -ENOMEM;
1853                 goto out;
1854         }
1855
1856         for (i = 0; i < num_vecs; i++) {
1857                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1858                 if (err)
1859                         goto out;
1860                 cond_resched();
1861         }
1862         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1863                                         desc, tsgl, hashstate);
1864 out:
1865         kfree(hashstate);
1866         if (tsgl) {
1867                 destroy_test_sglist(tsgl);
1868                 kfree(tsgl);
1869         }
1870         kfree(desc);
1871         crypto_free_shash(stfm);
1872         ahash_request_free(req);
1873         crypto_free_ahash(atfm);
1874         return err;
1875 }
1876
1877 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1878                          u32 type, u32 mask)
1879 {
1880         const struct hash_testvec *template = desc->suite.hash.vecs;
1881         unsigned int tcount = desc->suite.hash.count;
1882         unsigned int nr_unkeyed, nr_keyed;
1883         unsigned int maxkeysize = 0;
1884         int err;
1885
1886         /*
1887          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1888          * first, before setting a key on the tfm.  To make this easier, we
1889          * require that the unkeyed test vectors (if any) are listed first.
1890          */
1891
1892         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1893                 if (template[nr_unkeyed].ksize)
1894                         break;
1895         }
1896         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1897                 if (!template[nr_unkeyed + nr_keyed].ksize) {
1898                         pr_err("alg: hash: test vectors for %s out of order, "
1899                                "unkeyed ones must come first\n", desc->alg);
1900                         return -EINVAL;
1901                 }
1902                 maxkeysize = max_t(unsigned int, maxkeysize,
1903                                    template[nr_unkeyed + nr_keyed].ksize);
1904         }
1905
1906         err = 0;
1907         if (nr_unkeyed) {
1908                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1909                                       desc->generic_driver, maxkeysize);
1910                 template += nr_unkeyed;
1911         }
1912
1913         if (!err && nr_keyed)
1914                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1915                                       desc->generic_driver, maxkeysize);
1916
1917         return err;
1918 }
1919
1920 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1921                              const char *vec_name,
1922                              const struct testvec_config *cfg,
1923                              struct aead_request *req,
1924                              struct cipher_test_sglists *tsgls)
1925 {
1926         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1927         const unsigned int alignmask = crypto_aead_alignmask(tfm);
1928         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1929         const unsigned int authsize = vec->clen - vec->plen;
1930         const char *driver = crypto_aead_driver_name(tfm);
1931         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1932         const char *op = enc ? "encryption" : "decryption";
1933         DECLARE_CRYPTO_WAIT(wait);
1934         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1935         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1936                  cfg->iv_offset +
1937                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1938         struct kvec input[2];
1939         int err;
1940
1941         /* Set the key */
1942         if (vec->wk)
1943                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1944         else
1945                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1946
1947         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1948                         cfg, alignmask);
1949         if (err && err != vec->setkey_error) {
1950                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1951                        driver, vec_name, vec->setkey_error, err,
1952                        crypto_aead_get_flags(tfm));
1953                 return err;
1954         }
1955         if (!err && vec->setkey_error) {
1956                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1957                        driver, vec_name, vec->setkey_error);
1958                 return -EINVAL;
1959         }
1960
1961         /* Set the authentication tag size */
1962         err = crypto_aead_setauthsize(tfm, authsize);
1963         if (err && err != vec->setauthsize_error) {
1964                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1965                        driver, vec_name, vec->setauthsize_error, err);
1966                 return err;
1967         }
1968         if (!err && vec->setauthsize_error) {
1969                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1970                        driver, vec_name, vec->setauthsize_error);
1971                 return -EINVAL;
1972         }
1973
1974         if (vec->setkey_error || vec->setauthsize_error)
1975                 return 0;
1976
1977         /* The IV must be copied to a buffer, as the algorithm may modify it */
1978         if (WARN_ON(ivsize > MAX_IVLEN))
1979                 return -EINVAL;
1980         if (vec->iv)
1981                 memcpy(iv, vec->iv, ivsize);
1982         else
1983                 memset(iv, 0, ivsize);
1984
1985         /* Build the src/dst scatterlists */
1986         input[0].iov_base = (void *)vec->assoc;
1987         input[0].iov_len = vec->alen;
1988         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1989         input[1].iov_len = enc ? vec->plen : vec->clen;
1990         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1991                                         vec->alen + (enc ? vec->plen :
1992                                                      vec->clen),
1993                                         vec->alen + (enc ? vec->clen :
1994                                                      vec->plen),
1995                                         input, 2);
1996         if (err) {
1997                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
1998                        driver, op, vec_name, cfg->name);
1999                 return err;
2000         }
2001
2002         /* Do the actual encryption or decryption */
2003         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2004         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2005         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2006                                enc ? vec->plen : vec->clen, iv);
2007         aead_request_set_ad(req, vec->alen);
2008         if (cfg->nosimd)
2009                 crypto_disable_simd_for_test();
2010         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2011         if (cfg->nosimd)
2012                 crypto_reenable_simd_for_test();
2013         err = crypto_wait_req(err, &wait);
2014
2015         /* Check that the algorithm didn't overwrite things it shouldn't have */
2016         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2017             req->assoclen != vec->alen ||
2018             req->iv != iv ||
2019             req->src != tsgls->src.sgl_ptr ||
2020             req->dst != tsgls->dst.sgl_ptr ||
2021             crypto_aead_reqtfm(req) != tfm ||
2022             req->base.complete != crypto_req_done ||
2023             req->base.flags != req_flags ||
2024             req->base.data != &wait) {
2025                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2026                        driver, op, vec_name, cfg->name);
2027                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2028                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2029                 if (req->assoclen != vec->alen)
2030                         pr_err("alg: aead: changed 'req->assoclen'\n");
2031                 if (req->iv != iv)
2032                         pr_err("alg: aead: changed 'req->iv'\n");
2033                 if (req->src != tsgls->src.sgl_ptr)
2034                         pr_err("alg: aead: changed 'req->src'\n");
2035                 if (req->dst != tsgls->dst.sgl_ptr)
2036                         pr_err("alg: aead: changed 'req->dst'\n");
2037                 if (crypto_aead_reqtfm(req) != tfm)
2038                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2039                 if (req->base.complete != crypto_req_done)
2040                         pr_err("alg: aead: changed 'req->base.complete'\n");
2041                 if (req->base.flags != req_flags)
2042                         pr_err("alg: aead: changed 'req->base.flags'\n");
2043                 if (req->base.data != &wait)
2044                         pr_err("alg: aead: changed 'req->base.data'\n");
2045                 return -EINVAL;
2046         }
2047         if (is_test_sglist_corrupted(&tsgls->src)) {
2048                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2049                        driver, op, vec_name, cfg->name);
2050                 return -EINVAL;
2051         }
2052         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2053             is_test_sglist_corrupted(&tsgls->dst)) {
2054                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2055                        driver, op, vec_name, cfg->name);
2056                 return -EINVAL;
2057         }
2058
2059         /* Check for unexpected success or failure, or wrong error code */
2060         if ((err == 0 && vec->novrfy) ||
2061             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2062                 char expected_error[32];
2063
2064                 if (vec->novrfy &&
2065                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2066                         sprintf(expected_error, "-EBADMSG or %d",
2067                                 vec->crypt_error);
2068                 else if (vec->novrfy)
2069                         sprintf(expected_error, "-EBADMSG");
2070                 else
2071                         sprintf(expected_error, "%d", vec->crypt_error);
2072                 if (err) {
2073                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2074                                driver, op, vec_name, expected_error, err,
2075                                cfg->name);
2076                         return err;
2077                 }
2078                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2079                        driver, op, vec_name, expected_error, cfg->name);
2080                 return -EINVAL;
2081         }
2082         if (err) /* Expectedly failed. */
2083                 return 0;
2084
2085         /* Check for the correct output (ciphertext or plaintext) */
2086         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2087                                     enc ? vec->clen : vec->plen,
2088                                     vec->alen, enc || !cfg->inplace);
2089         if (err == -EOVERFLOW) {
2090                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2091                        driver, op, vec_name, cfg->name);
2092                 return err;
2093         }
2094         if (err) {
2095                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2096                        driver, op, vec_name, cfg->name);
2097                 return err;
2098         }
2099
2100         return 0;
2101 }
2102
2103 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2104                          unsigned int vec_num, struct aead_request *req,
2105                          struct cipher_test_sglists *tsgls)
2106 {
2107         char vec_name[16];
2108         unsigned int i;
2109         int err;
2110
2111         if (enc && vec->novrfy)
2112                 return 0;
2113
2114         sprintf(vec_name, "%u", vec_num);
2115
2116         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2117                 err = test_aead_vec_cfg(enc, vec, vec_name,
2118                                         &default_cipher_testvec_configs[i],
2119                                         req, tsgls);
2120                 if (err)
2121                         return err;
2122         }
2123
2124 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2125         if (!noextratests) {
2126                 struct testvec_config cfg;
2127                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2128
2129                 for (i = 0; i < fuzz_iterations; i++) {
2130                         generate_random_testvec_config(&cfg, cfgname,
2131                                                        sizeof(cfgname));
2132                         err = test_aead_vec_cfg(enc, vec, vec_name,
2133                                                 &cfg, req, tsgls);
2134                         if (err)
2135                                 return err;
2136                         cond_resched();
2137                 }
2138         }
2139 #endif
2140         return 0;
2141 }
2142
2143 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2144
2145 struct aead_extra_tests_ctx {
2146         struct aead_request *req;
2147         struct crypto_aead *tfm;
2148         const struct alg_test_desc *test_desc;
2149         struct cipher_test_sglists *tsgls;
2150         unsigned int maxdatasize;
2151         unsigned int maxkeysize;
2152
2153         struct aead_testvec vec;
2154         char vec_name[64];
2155         char cfgname[TESTVEC_CONFIG_NAMELEN];
2156         struct testvec_config cfg;
2157 };
2158
2159 /*
2160  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2161  * here means the full ciphertext including the authentication tag.  The
2162  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2163  */
2164 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2165                                 unsigned int ivsize)
2166 {
2167         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2168         const unsigned int authsize = vec->clen - vec->plen;
2169
2170         if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2171                  /* Mutate the AAD */
2172                 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2173                 if (prandom_u32() % 2 == 0)
2174                         return;
2175         }
2176         if (prandom_u32() % 2 == 0) {
2177                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2178                 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2179         } else {
2180                 /* Mutate any part of the ciphertext */
2181                 flip_random_bit((u8 *)vec->ctext, vec->clen);
2182         }
2183 }
2184
2185 /*
2186  * Minimum authentication tag size in bytes at which we assume that we can
2187  * reliably generate inauthentic messages, i.e. not generate an authentic
2188  * message by chance.
2189  */
2190 #define MIN_COLLISION_FREE_AUTHSIZE 8
2191
2192 static void generate_aead_message(struct aead_request *req,
2193                                   const struct aead_test_suite *suite,
2194                                   struct aead_testvec *vec,
2195                                   bool prefer_inauthentic)
2196 {
2197         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2198         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2199         const unsigned int authsize = vec->clen - vec->plen;
2200         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2201                                  (prefer_inauthentic || prandom_u32() % 4 == 0);
2202
2203         /* Generate the AAD. */
2204         generate_random_bytes((u8 *)vec->assoc, vec->alen);
2205         if (suite->aad_iv && vec->alen >= ivsize)
2206                 /* Avoid implementation-defined behavior. */
2207                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2208
2209         if (inauthentic && prandom_u32() % 2 == 0) {
2210                 /* Generate a random ciphertext. */
2211                 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2212         } else {
2213                 int i = 0;
2214                 struct scatterlist src[2], dst;
2215                 u8 iv[MAX_IVLEN];
2216                 DECLARE_CRYPTO_WAIT(wait);
2217
2218                 /* Generate a random plaintext and encrypt it. */
2219                 sg_init_table(src, 2);
2220                 if (vec->alen)
2221                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2222                 if (vec->plen) {
2223                         generate_random_bytes((u8 *)vec->ptext, vec->plen);
2224                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2225                 }
2226                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2227                 memcpy(iv, vec->iv, ivsize);
2228                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2229                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2230                 aead_request_set_ad(req, vec->alen);
2231                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2232                                                    &wait);
2233                 /* If encryption failed, we're done. */
2234                 if (vec->crypt_error != 0)
2235                         return;
2236                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2237                 if (!inauthentic)
2238                         return;
2239                 /*
2240                  * Mutate the authentic (ciphertext, AAD) pair to get an
2241                  * inauthentic one.
2242                  */
2243                 mutate_aead_message(vec, suite->aad_iv, ivsize);
2244         }
2245         vec->novrfy = 1;
2246         if (suite->einval_allowed)
2247                 vec->crypt_error = -EINVAL;
2248 }
2249
2250 /*
2251  * Generate an AEAD test vector 'vec' using the implementation specified by
2252  * 'req'.  The buffers in 'vec' must already be allocated.
2253  *
2254  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2255  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2256  */
2257 static void generate_random_aead_testvec(struct aead_request *req,
2258                                          struct aead_testvec *vec,
2259                                          const struct aead_test_suite *suite,
2260                                          unsigned int maxkeysize,
2261                                          unsigned int maxdatasize,
2262                                          char *name, size_t max_namelen,
2263                                          bool prefer_inauthentic)
2264 {
2265         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2266         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2267         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2268         unsigned int authsize;
2269         unsigned int total_len;
2270
2271         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2272         vec->klen = maxkeysize;
2273         if (prandom_u32() % 4 == 0)
2274                 vec->klen = prandom_u32() % (maxkeysize + 1);
2275         generate_random_bytes((u8 *)vec->key, vec->klen);
2276         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2277
2278         /* IV */
2279         generate_random_bytes((u8 *)vec->iv, ivsize);
2280
2281         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2282         authsize = maxauthsize;
2283         if (prandom_u32() % 4 == 0)
2284                 authsize = prandom_u32() % (maxauthsize + 1);
2285         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2286                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2287         if (WARN_ON(authsize > maxdatasize))
2288                 authsize = maxdatasize;
2289         maxdatasize -= authsize;
2290         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2291
2292         /* AAD, plaintext, and ciphertext lengths */
2293         total_len = generate_random_length(maxdatasize);
2294         if (prandom_u32() % 4 == 0)
2295                 vec->alen = 0;
2296         else
2297                 vec->alen = generate_random_length(total_len);
2298         vec->plen = total_len - vec->alen;
2299         vec->clen = vec->plen + authsize;
2300
2301         /*
2302          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2303          * key or the authentication tag size couldn't be set.
2304          */
2305         vec->novrfy = 0;
2306         vec->crypt_error = 0;
2307         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2308                 generate_aead_message(req, suite, vec, prefer_inauthentic);
2309         snprintf(name, max_namelen,
2310                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2311                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2312 }
2313
2314 static void try_to_generate_inauthentic_testvec(
2315                                         struct aead_extra_tests_ctx *ctx)
2316 {
2317         int i;
2318
2319         for (i = 0; i < 10; i++) {
2320                 generate_random_aead_testvec(ctx->req, &ctx->vec,
2321                                              &ctx->test_desc->suite.aead,
2322                                              ctx->maxkeysize, ctx->maxdatasize,
2323                                              ctx->vec_name,
2324                                              sizeof(ctx->vec_name), true);
2325                 if (ctx->vec.novrfy)
2326                         return;
2327         }
2328 }
2329
2330 /*
2331  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2332  * result of an encryption with the key) and verify that decryption fails.
2333  */
2334 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2335 {
2336         unsigned int i;
2337         int err;
2338
2339         for (i = 0; i < fuzz_iterations * 8; i++) {
2340                 /*
2341                  * Since this part of the tests isn't comparing the
2342                  * implementation to another, there's no point in testing any
2343                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2344                  *
2345                  * If we're having trouble generating such a test vector, e.g.
2346                  * if the algorithm keeps rejecting the generated keys, don't
2347                  * retry forever; just continue on.
2348                  */
2349                 try_to_generate_inauthentic_testvec(ctx);
2350                 if (ctx->vec.novrfy) {
2351                         generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2352                                                        sizeof(ctx->cfgname));
2353                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2354                                                 ctx->vec_name, &ctx->cfg,
2355                                                 ctx->req, ctx->tsgls);
2356                         if (err)
2357                                 return err;
2358                 }
2359                 cond_resched();
2360         }
2361         return 0;
2362 }
2363
2364 /*
2365  * Test the AEAD algorithm against the corresponding generic implementation, if
2366  * one is available.
2367  */
2368 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2369 {
2370         struct crypto_aead *tfm = ctx->tfm;
2371         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2372         const char *driver = crypto_aead_driver_name(tfm);
2373         const char *generic_driver = ctx->test_desc->generic_driver;
2374         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2375         struct crypto_aead *generic_tfm = NULL;
2376         struct aead_request *generic_req = NULL;
2377         unsigned int i;
2378         int err;
2379
2380         if (!generic_driver) { /* Use default naming convention? */
2381                 err = build_generic_driver_name(algname, _generic_driver);
2382                 if (err)
2383                         return err;
2384                 generic_driver = _generic_driver;
2385         }
2386
2387         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2388                 return 0;
2389
2390         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2391         if (IS_ERR(generic_tfm)) {
2392                 err = PTR_ERR(generic_tfm);
2393                 if (err == -ENOENT) {
2394                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2395                                 driver, generic_driver);
2396                         return 0;
2397                 }
2398                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2399                        generic_driver, algname, err);
2400                 return err;
2401         }
2402
2403         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2404         if (!generic_req) {
2405                 err = -ENOMEM;
2406                 goto out;
2407         }
2408
2409         /* Check the algorithm properties for consistency. */
2410
2411         if (crypto_aead_maxauthsize(tfm) !=
2412             crypto_aead_maxauthsize(generic_tfm)) {
2413                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2414                        driver, crypto_aead_maxauthsize(tfm),
2415                        crypto_aead_maxauthsize(generic_tfm));
2416                 err = -EINVAL;
2417                 goto out;
2418         }
2419
2420         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2421                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2422                        driver, crypto_aead_ivsize(tfm),
2423                        crypto_aead_ivsize(generic_tfm));
2424                 err = -EINVAL;
2425                 goto out;
2426         }
2427
2428         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2429                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2430                        driver, crypto_aead_blocksize(tfm),
2431                        crypto_aead_blocksize(generic_tfm));
2432                 err = -EINVAL;
2433                 goto out;
2434         }
2435
2436         /*
2437          * Now generate test vectors using the generic implementation, and test
2438          * the other implementation against them.
2439          */
2440         for (i = 0; i < fuzz_iterations * 8; i++) {
2441                 generate_random_aead_testvec(generic_req, &ctx->vec,
2442                                              &ctx->test_desc->suite.aead,
2443                                              ctx->maxkeysize, ctx->maxdatasize,
2444                                              ctx->vec_name,
2445                                              sizeof(ctx->vec_name), false);
2446                 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2447                                                sizeof(ctx->cfgname));
2448                 if (!ctx->vec.novrfy) {
2449                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2450                                                 ctx->vec_name, &ctx->cfg,
2451                                                 ctx->req, ctx->tsgls);
2452                         if (err)
2453                                 goto out;
2454                 }
2455                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2456                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2457                                                 ctx->vec_name, &ctx->cfg,
2458                                                 ctx->req, ctx->tsgls);
2459                         if (err)
2460                                 goto out;
2461                 }
2462                 cond_resched();
2463         }
2464         err = 0;
2465 out:
2466         crypto_free_aead(generic_tfm);
2467         aead_request_free(generic_req);
2468         return err;
2469 }
2470
2471 static int test_aead_extra(const struct alg_test_desc *test_desc,
2472                            struct aead_request *req,
2473                            struct cipher_test_sglists *tsgls)
2474 {
2475         struct aead_extra_tests_ctx *ctx;
2476         unsigned int i;
2477         int err;
2478
2479         if (noextratests)
2480                 return 0;
2481
2482         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2483         if (!ctx)
2484                 return -ENOMEM;
2485         ctx->req = req;
2486         ctx->tfm = crypto_aead_reqtfm(req);
2487         ctx->test_desc = test_desc;
2488         ctx->tsgls = tsgls;
2489         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2490         ctx->maxkeysize = 0;
2491         for (i = 0; i < test_desc->suite.aead.count; i++)
2492                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2493                                         test_desc->suite.aead.vecs[i].klen);
2494
2495         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2496         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2497         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2498         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2499         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2500         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2501             !ctx->vec.ptext || !ctx->vec.ctext) {
2502                 err = -ENOMEM;
2503                 goto out;
2504         }
2505
2506         err = test_aead_vs_generic_impl(ctx);
2507         if (err)
2508                 goto out;
2509
2510         err = test_aead_inauthentic_inputs(ctx);
2511 out:
2512         kfree(ctx->vec.key);
2513         kfree(ctx->vec.iv);
2514         kfree(ctx->vec.assoc);
2515         kfree(ctx->vec.ptext);
2516         kfree(ctx->vec.ctext);
2517         kfree(ctx);
2518         return err;
2519 }
2520 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2521 static int test_aead_extra(const struct alg_test_desc *test_desc,
2522                            struct aead_request *req,
2523                            struct cipher_test_sglists *tsgls)
2524 {
2525         return 0;
2526 }
2527 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2528
2529 static int test_aead(int enc, const struct aead_test_suite *suite,
2530                      struct aead_request *req,
2531                      struct cipher_test_sglists *tsgls)
2532 {
2533         unsigned int i;
2534         int err;
2535
2536         for (i = 0; i < suite->count; i++) {
2537                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2538                 if (err)
2539                         return err;
2540                 cond_resched();
2541         }
2542         return 0;
2543 }
2544
2545 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2546                          u32 type, u32 mask)
2547 {
2548         const struct aead_test_suite *suite = &desc->suite.aead;
2549         struct crypto_aead *tfm;
2550         struct aead_request *req = NULL;
2551         struct cipher_test_sglists *tsgls = NULL;
2552         int err;
2553
2554         if (suite->count <= 0) {
2555                 pr_err("alg: aead: empty test suite for %s\n", driver);
2556                 return -EINVAL;
2557         }
2558
2559         tfm = crypto_alloc_aead(driver, type, mask);
2560         if (IS_ERR(tfm)) {
2561                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2562                        driver, PTR_ERR(tfm));
2563                 return PTR_ERR(tfm);
2564         }
2565         driver = crypto_aead_driver_name(tfm);
2566
2567         req = aead_request_alloc(tfm, GFP_KERNEL);
2568         if (!req) {
2569                 pr_err("alg: aead: failed to allocate request for %s\n",
2570                        driver);
2571                 err = -ENOMEM;
2572                 goto out;
2573         }
2574
2575         tsgls = alloc_cipher_test_sglists();
2576         if (!tsgls) {
2577                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2578                        driver);
2579                 err = -ENOMEM;
2580                 goto out;
2581         }
2582
2583         err = test_aead(ENCRYPT, suite, req, tsgls);
2584         if (err)
2585                 goto out;
2586
2587         err = test_aead(DECRYPT, suite, req, tsgls);
2588         if (err)
2589                 goto out;
2590
2591         err = test_aead_extra(desc, req, tsgls);
2592 out:
2593         free_cipher_test_sglists(tsgls);
2594         aead_request_free(req);
2595         crypto_free_aead(tfm);
2596         return err;
2597 }
2598
2599 static int test_cipher(struct crypto_cipher *tfm, int enc,
2600                        const struct cipher_testvec *template,
2601                        unsigned int tcount)
2602 {
2603         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2604         unsigned int i, j, k;
2605         char *q;
2606         const char *e;
2607         const char *input, *result;
2608         void *data;
2609         char *xbuf[XBUFSIZE];
2610         int ret = -ENOMEM;
2611
2612         if (testmgr_alloc_buf(xbuf))
2613                 goto out_nobuf;
2614
2615         if (enc == ENCRYPT)
2616                 e = "encryption";
2617         else
2618                 e = "decryption";
2619
2620         j = 0;
2621         for (i = 0; i < tcount; i++) {
2622
2623                 if (fips_enabled && template[i].fips_skip)
2624                         continue;
2625
2626                 input  = enc ? template[i].ptext : template[i].ctext;
2627                 result = enc ? template[i].ctext : template[i].ptext;
2628                 j++;
2629
2630                 ret = -EINVAL;
2631                 if (WARN_ON(template[i].len > PAGE_SIZE))
2632                         goto out;
2633
2634                 data = xbuf[0];
2635                 memcpy(data, input, template[i].len);
2636
2637                 crypto_cipher_clear_flags(tfm, ~0);
2638                 if (template[i].wk)
2639                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2640
2641                 ret = crypto_cipher_setkey(tfm, template[i].key,
2642                                            template[i].klen);
2643                 if (ret) {
2644                         if (ret == template[i].setkey_error)
2645                                 continue;
2646                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2647                                algo, j, template[i].setkey_error, ret,
2648                                crypto_cipher_get_flags(tfm));
2649                         goto out;
2650                 }
2651                 if (template[i].setkey_error) {
2652                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2653                                algo, j, template[i].setkey_error);
2654                         ret = -EINVAL;
2655                         goto out;
2656                 }
2657
2658                 for (k = 0; k < template[i].len;
2659                      k += crypto_cipher_blocksize(tfm)) {
2660                         if (enc)
2661                                 crypto_cipher_encrypt_one(tfm, data + k,
2662                                                           data + k);
2663                         else
2664                                 crypto_cipher_decrypt_one(tfm, data + k,
2665                                                           data + k);
2666                 }
2667
2668                 q = data;
2669                 if (memcmp(q, result, template[i].len)) {
2670                         printk(KERN_ERR "alg: cipher: Test %d failed "
2671                                "on %s for %s\n", j, e, algo);
2672                         hexdump(q, template[i].len);
2673                         ret = -EINVAL;
2674                         goto out;
2675                 }
2676         }
2677
2678         ret = 0;
2679
2680 out:
2681         testmgr_free_buf(xbuf);
2682 out_nobuf:
2683         return ret;
2684 }
2685
2686 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2687                                  const char *vec_name,
2688                                  const struct testvec_config *cfg,
2689                                  struct skcipher_request *req,
2690                                  struct cipher_test_sglists *tsgls)
2691 {
2692         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2693         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2694         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2695         const char *driver = crypto_skcipher_driver_name(tfm);
2696         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2697         const char *op = enc ? "encryption" : "decryption";
2698         DECLARE_CRYPTO_WAIT(wait);
2699         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2700         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2701                  cfg->iv_offset +
2702                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2703         struct kvec input;
2704         int err;
2705
2706         /* Set the key */
2707         if (vec->wk)
2708                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2709         else
2710                 crypto_skcipher_clear_flags(tfm,
2711                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2712         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2713                         cfg, alignmask);
2714         if (err) {
2715                 if (err == vec->setkey_error)
2716                         return 0;
2717                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2718                        driver, vec_name, vec->setkey_error, err,
2719                        crypto_skcipher_get_flags(tfm));
2720                 return err;
2721         }
2722         if (vec->setkey_error) {
2723                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2724                        driver, vec_name, vec->setkey_error);
2725                 return -EINVAL;
2726         }
2727
2728         /* The IV must be copied to a buffer, as the algorithm may modify it */
2729         if (ivsize) {
2730                 if (WARN_ON(ivsize > MAX_IVLEN))
2731                         return -EINVAL;
2732                 if (vec->generates_iv && !enc)
2733                         memcpy(iv, vec->iv_out, ivsize);
2734                 else if (vec->iv)
2735                         memcpy(iv, vec->iv, ivsize);
2736                 else
2737                         memset(iv, 0, ivsize);
2738         } else {
2739                 if (vec->generates_iv) {
2740                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2741                                driver, vec_name);
2742                         return -EINVAL;
2743                 }
2744                 iv = NULL;
2745         }
2746
2747         /* Build the src/dst scatterlists */
2748         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2749         input.iov_len = vec->len;
2750         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2751                                         vec->len, vec->len, &input, 1);
2752         if (err) {
2753                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2754                        driver, op, vec_name, cfg->name);
2755                 return err;
2756         }
2757
2758         /* Do the actual encryption or decryption */
2759         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2760         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2761         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2762                                    vec->len, iv);
2763         if (cfg->nosimd)
2764                 crypto_disable_simd_for_test();
2765         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2766         if (cfg->nosimd)
2767                 crypto_reenable_simd_for_test();
2768         err = crypto_wait_req(err, &wait);
2769
2770         /* Check that the algorithm didn't overwrite things it shouldn't have */
2771         if (req->cryptlen != vec->len ||
2772             req->iv != iv ||
2773             req->src != tsgls->src.sgl_ptr ||
2774             req->dst != tsgls->dst.sgl_ptr ||
2775             crypto_skcipher_reqtfm(req) != tfm ||
2776             req->base.complete != crypto_req_done ||
2777             req->base.flags != req_flags ||
2778             req->base.data != &wait) {
2779                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2780                        driver, op, vec_name, cfg->name);
2781                 if (req->cryptlen != vec->len)
2782                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2783                 if (req->iv != iv)
2784                         pr_err("alg: skcipher: changed 'req->iv'\n");
2785                 if (req->src != tsgls->src.sgl_ptr)
2786                         pr_err("alg: skcipher: changed 'req->src'\n");
2787                 if (req->dst != tsgls->dst.sgl_ptr)
2788                         pr_err("alg: skcipher: changed 'req->dst'\n");
2789                 if (crypto_skcipher_reqtfm(req) != tfm)
2790                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2791                 if (req->base.complete != crypto_req_done)
2792                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2793                 if (req->base.flags != req_flags)
2794                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2795                 if (req->base.data != &wait)
2796                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2797                 return -EINVAL;
2798         }
2799         if (is_test_sglist_corrupted(&tsgls->src)) {
2800                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2801                        driver, op, vec_name, cfg->name);
2802                 return -EINVAL;
2803         }
2804         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2805             is_test_sglist_corrupted(&tsgls->dst)) {
2806                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2807                        driver, op, vec_name, cfg->name);
2808                 return -EINVAL;
2809         }
2810
2811         /* Check for success or failure */
2812         if (err) {
2813                 if (err == vec->crypt_error)
2814                         return 0;
2815                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2816                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2817                 return err;
2818         }
2819         if (vec->crypt_error) {
2820                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2821                        driver, op, vec_name, vec->crypt_error, cfg->name);
2822                 return -EINVAL;
2823         }
2824
2825         /* Check for the correct output (ciphertext or plaintext) */
2826         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2827                                     vec->len, 0, true);
2828         if (err == -EOVERFLOW) {
2829                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2830                        driver, op, vec_name, cfg->name);
2831                 return err;
2832         }
2833         if (err) {
2834                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2835                        driver, op, vec_name, cfg->name);
2836                 return err;
2837         }
2838
2839         /* If applicable, check that the algorithm generated the correct IV */
2840         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2841                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2842                        driver, op, vec_name, cfg->name);
2843                 hexdump(iv, ivsize);
2844                 return -EINVAL;
2845         }
2846
2847         return 0;
2848 }
2849
2850 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2851                              unsigned int vec_num,
2852                              struct skcipher_request *req,
2853                              struct cipher_test_sglists *tsgls)
2854 {
2855         char vec_name[16];
2856         unsigned int i;
2857         int err;
2858
2859         if (fips_enabled && vec->fips_skip)
2860                 return 0;
2861
2862         sprintf(vec_name, "%u", vec_num);
2863
2864         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2865                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2866                                             &default_cipher_testvec_configs[i],
2867                                             req, tsgls);
2868                 if (err)
2869                         return err;
2870         }
2871
2872 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2873         if (!noextratests) {
2874                 struct testvec_config cfg;
2875                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2876
2877                 for (i = 0; i < fuzz_iterations; i++) {
2878                         generate_random_testvec_config(&cfg, cfgname,
2879                                                        sizeof(cfgname));
2880                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
2881                                                     &cfg, req, tsgls);
2882                         if (err)
2883                                 return err;
2884                         cond_resched();
2885                 }
2886         }
2887 #endif
2888         return 0;
2889 }
2890
2891 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2892 /*
2893  * Generate a symmetric cipher test vector from the given implementation.
2894  * Assumes the buffers in 'vec' were already allocated.
2895  */
2896 static void generate_random_cipher_testvec(struct skcipher_request *req,
2897                                            struct cipher_testvec *vec,
2898                                            unsigned int maxdatasize,
2899                                            char *name, size_t max_namelen)
2900 {
2901         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2902         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2903         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2904         struct scatterlist src, dst;
2905         u8 iv[MAX_IVLEN];
2906         DECLARE_CRYPTO_WAIT(wait);
2907
2908         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2909         vec->klen = maxkeysize;
2910         if (prandom_u32() % 4 == 0)
2911                 vec->klen = prandom_u32() % (maxkeysize + 1);
2912         generate_random_bytes((u8 *)vec->key, vec->klen);
2913         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2914
2915         /* IV */
2916         generate_random_bytes((u8 *)vec->iv, ivsize);
2917
2918         /* Plaintext */
2919         vec->len = generate_random_length(maxdatasize);
2920         generate_random_bytes((u8 *)vec->ptext, vec->len);
2921
2922         /* If the key couldn't be set, no need to continue to encrypt. */
2923         if (vec->setkey_error)
2924                 goto done;
2925
2926         /* Ciphertext */
2927         sg_init_one(&src, vec->ptext, vec->len);
2928         sg_init_one(&dst, vec->ctext, vec->len);
2929         memcpy(iv, vec->iv, ivsize);
2930         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2931         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2932         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2933         if (vec->crypt_error != 0) {
2934                 /*
2935                  * The only acceptable error here is for an invalid length, so
2936                  * skcipher decryption should fail with the same error too.
2937                  * We'll test for this.  But to keep the API usage well-defined,
2938                  * explicitly initialize the ciphertext buffer too.
2939                  */
2940                 memset((u8 *)vec->ctext, 0, vec->len);
2941         }
2942 done:
2943         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2944                  vec->len, vec->klen);
2945 }
2946
2947 /*
2948  * Test the skcipher algorithm represented by @req against the corresponding
2949  * generic implementation, if one is available.
2950  */
2951 static int test_skcipher_vs_generic_impl(const char *generic_driver,
2952                                          struct skcipher_request *req,
2953                                          struct cipher_test_sglists *tsgls)
2954 {
2955         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2956         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2957         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2958         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2959         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2960         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2961         const char *driver = crypto_skcipher_driver_name(tfm);
2962         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2963         struct crypto_skcipher *generic_tfm = NULL;
2964         struct skcipher_request *generic_req = NULL;
2965         unsigned int i;
2966         struct cipher_testvec vec = { 0 };
2967         char vec_name[64];
2968         struct testvec_config *cfg;
2969         char cfgname[TESTVEC_CONFIG_NAMELEN];
2970         int err;
2971
2972         if (noextratests)
2973                 return 0;
2974
2975         /* Keywrap isn't supported here yet as it handles its IV differently. */
2976         if (strncmp(algname, "kw(", 3) == 0)
2977                 return 0;
2978
2979         if (!generic_driver) { /* Use default naming convention? */
2980                 err = build_generic_driver_name(algname, _generic_driver);
2981                 if (err)
2982                         return err;
2983                 generic_driver = _generic_driver;
2984         }
2985
2986         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2987                 return 0;
2988
2989         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
2990         if (IS_ERR(generic_tfm)) {
2991                 err = PTR_ERR(generic_tfm);
2992                 if (err == -ENOENT) {
2993                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
2994                                 driver, generic_driver);
2995                         return 0;
2996                 }
2997                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
2998                        generic_driver, algname, err);
2999                 return err;
3000         }
3001
3002         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3003         if (!cfg) {
3004                 err = -ENOMEM;
3005                 goto out;
3006         }
3007
3008         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3009         if (!generic_req) {
3010                 err = -ENOMEM;
3011                 goto out;
3012         }
3013
3014         /* Check the algorithm properties for consistency. */
3015
3016         if (crypto_skcipher_min_keysize(tfm) !=
3017             crypto_skcipher_min_keysize(generic_tfm)) {
3018                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3019                        driver, crypto_skcipher_min_keysize(tfm),
3020                        crypto_skcipher_min_keysize(generic_tfm));
3021                 err = -EINVAL;
3022                 goto out;
3023         }
3024
3025         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3026                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3027                        driver, maxkeysize,
3028                        crypto_skcipher_max_keysize(generic_tfm));
3029                 err = -EINVAL;
3030                 goto out;
3031         }
3032
3033         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3034                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3035                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3036                 err = -EINVAL;
3037                 goto out;
3038         }
3039
3040         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3041                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3042                        driver, blocksize,
3043                        crypto_skcipher_blocksize(generic_tfm));
3044                 err = -EINVAL;
3045                 goto out;
3046         }
3047
3048         /*
3049          * Now generate test vectors using the generic implementation, and test
3050          * the other implementation against them.
3051          */
3052
3053         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3054         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3055         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3056         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3057         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3058                 err = -ENOMEM;
3059                 goto out;
3060         }
3061
3062         for (i = 0; i < fuzz_iterations * 8; i++) {
3063                 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3064                                                vec_name, sizeof(vec_name));
3065                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3066
3067                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3068                                             cfg, req, tsgls);
3069                 if (err)
3070                         goto out;
3071                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3072                                             cfg, req, tsgls);
3073                 if (err)
3074                         goto out;
3075                 cond_resched();
3076         }
3077         err = 0;
3078 out:
3079         kfree(cfg);
3080         kfree(vec.key);
3081         kfree(vec.iv);
3082         kfree(vec.ptext);
3083         kfree(vec.ctext);
3084         crypto_free_skcipher(generic_tfm);
3085         skcipher_request_free(generic_req);
3086         return err;
3087 }
3088 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3089 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3090                                          struct skcipher_request *req,
3091                                          struct cipher_test_sglists *tsgls)
3092 {
3093         return 0;
3094 }
3095 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3096
3097 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3098                          struct skcipher_request *req,
3099                          struct cipher_test_sglists *tsgls)
3100 {
3101         unsigned int i;
3102         int err;
3103
3104         for (i = 0; i < suite->count; i++) {
3105                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3106                 if (err)
3107                         return err;
3108                 cond_resched();
3109         }
3110         return 0;
3111 }
3112
3113 static int alg_test_skcipher(const struct alg_test_desc *desc,
3114                              const char *driver, u32 type, u32 mask)
3115 {
3116         const struct cipher_test_suite *suite = &desc->suite.cipher;
3117         struct crypto_skcipher *tfm;
3118         struct skcipher_request *req = NULL;
3119         struct cipher_test_sglists *tsgls = NULL;
3120         int err;
3121
3122         if (suite->count <= 0) {
3123                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3124                 return -EINVAL;
3125         }
3126
3127         tfm = crypto_alloc_skcipher(driver, type, mask);
3128         if (IS_ERR(tfm)) {
3129                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3130                        driver, PTR_ERR(tfm));
3131                 return PTR_ERR(tfm);
3132         }
3133         driver = crypto_skcipher_driver_name(tfm);
3134
3135         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3136         if (!req) {
3137                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3138                        driver);
3139                 err = -ENOMEM;
3140                 goto out;
3141         }
3142
3143         tsgls = alloc_cipher_test_sglists();
3144         if (!tsgls) {
3145                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3146                        driver);
3147                 err = -ENOMEM;
3148                 goto out;
3149         }
3150
3151         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3152         if (err)
3153                 goto out;
3154
3155         err = test_skcipher(DECRYPT, suite, req, tsgls);
3156         if (err)
3157                 goto out;
3158
3159         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3160 out:
3161         free_cipher_test_sglists(tsgls);
3162         skcipher_request_free(req);
3163         crypto_free_skcipher(tfm);
3164         return err;
3165 }
3166
3167 static int test_comp(struct crypto_comp *tfm,
3168                      const struct comp_testvec *ctemplate,
3169                      const struct comp_testvec *dtemplate,
3170                      int ctcount, int dtcount)
3171 {
3172         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3173         char *output, *decomp_output;
3174         unsigned int i;
3175         int ret;
3176
3177         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3178         if (!output)
3179                 return -ENOMEM;
3180
3181         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3182         if (!decomp_output) {
3183                 kfree(output);
3184                 return -ENOMEM;
3185         }
3186
3187         for (i = 0; i < ctcount; i++) {
3188                 int ilen;
3189                 unsigned int dlen = COMP_BUF_SIZE;
3190
3191                 memset(output, 0, COMP_BUF_SIZE);
3192                 memset(decomp_output, 0, COMP_BUF_SIZE);
3193
3194                 ilen = ctemplate[i].inlen;
3195                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3196                                            ilen, output, &dlen);
3197                 if (ret) {
3198                         printk(KERN_ERR "alg: comp: compression failed "
3199                                "on test %d for %s: ret=%d\n", i + 1, algo,
3200                                -ret);
3201                         goto out;
3202                 }
3203
3204                 ilen = dlen;
3205                 dlen = COMP_BUF_SIZE;
3206                 ret = crypto_comp_decompress(tfm, output,
3207                                              ilen, decomp_output, &dlen);
3208                 if (ret) {
3209                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3210                                i + 1, algo, -ret);
3211                         goto out;
3212                 }
3213
3214                 if (dlen != ctemplate[i].inlen) {
3215                         printk(KERN_ERR "alg: comp: Compression test %d "
3216                                "failed for %s: output len = %d\n", i + 1, algo,
3217                                dlen);
3218                         ret = -EINVAL;
3219                         goto out;
3220                 }
3221
3222                 if (memcmp(decomp_output, ctemplate[i].input,
3223                            ctemplate[i].inlen)) {
3224                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3225                                i + 1, algo);
3226                         hexdump(decomp_output, dlen);
3227                         ret = -EINVAL;
3228                         goto out;
3229                 }
3230         }
3231
3232         for (i = 0; i < dtcount; i++) {
3233                 int ilen;
3234                 unsigned int dlen = COMP_BUF_SIZE;
3235
3236                 memset(decomp_output, 0, COMP_BUF_SIZE);
3237
3238                 ilen = dtemplate[i].inlen;
3239                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3240                                              ilen, decomp_output, &dlen);
3241                 if (ret) {
3242                         printk(KERN_ERR "alg: comp: decompression failed "
3243                                "on test %d for %s: ret=%d\n", i + 1, algo,
3244                                -ret);
3245                         goto out;
3246                 }
3247
3248                 if (dlen != dtemplate[i].outlen) {
3249                         printk(KERN_ERR "alg: comp: Decompression test %d "
3250                                "failed for %s: output len = %d\n", i + 1, algo,
3251                                dlen);
3252                         ret = -EINVAL;
3253                         goto out;
3254                 }
3255
3256                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3257                         printk(KERN_ERR "alg: comp: Decompression test %d "
3258                                "failed for %s\n", i + 1, algo);
3259                         hexdump(decomp_output, dlen);
3260                         ret = -EINVAL;
3261                         goto out;
3262                 }
3263         }
3264
3265         ret = 0;
3266
3267 out:
3268         kfree(decomp_output);
3269         kfree(output);
3270         return ret;
3271 }
3272
3273 static int test_acomp(struct crypto_acomp *tfm,
3274                               const struct comp_testvec *ctemplate,
3275                       const struct comp_testvec *dtemplate,
3276                       int ctcount, int dtcount)
3277 {
3278         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3279         unsigned int i;
3280         char *output, *decomp_out;
3281         int ret;
3282         struct scatterlist src, dst;
3283         struct acomp_req *req;
3284         struct crypto_wait wait;
3285
3286         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3287         if (!output)
3288                 return -ENOMEM;
3289
3290         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3291         if (!decomp_out) {
3292                 kfree(output);
3293                 return -ENOMEM;
3294         }
3295
3296         for (i = 0; i < ctcount; i++) {
3297                 unsigned int dlen = COMP_BUF_SIZE;
3298                 int ilen = ctemplate[i].inlen;
3299                 void *input_vec;
3300
3301                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3302                 if (!input_vec) {
3303                         ret = -ENOMEM;
3304                         goto out;
3305                 }
3306
3307                 memset(output, 0, dlen);
3308                 crypto_init_wait(&wait);
3309                 sg_init_one(&src, input_vec, ilen);
3310                 sg_init_one(&dst, output, dlen);
3311
3312                 req = acomp_request_alloc(tfm);
3313                 if (!req) {
3314                         pr_err("alg: acomp: request alloc failed for %s\n",
3315                                algo);
3316                         kfree(input_vec);
3317                         ret = -ENOMEM;
3318                         goto out;
3319                 }
3320
3321                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3322                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3323                                            crypto_req_done, &wait);
3324
3325                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3326                 if (ret) {
3327                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3328                                i + 1, algo, -ret);
3329                         kfree(input_vec);
3330                         acomp_request_free(req);
3331                         goto out;
3332                 }
3333
3334                 ilen = req->dlen;
3335                 dlen = COMP_BUF_SIZE;
3336                 sg_init_one(&src, output, ilen);
3337                 sg_init_one(&dst, decomp_out, dlen);
3338                 crypto_init_wait(&wait);
3339                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3340
3341                 ret = crypto_wait_req(crypto_acomp_decompress(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                 if (req->dlen != ctemplate[i].inlen) {
3351                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3352                                i + 1, algo, req->dlen);
3353                         ret = -EINVAL;
3354                         kfree(input_vec);
3355                         acomp_request_free(req);
3356                         goto out;
3357                 }
3358
3359                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3360                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3361                                i + 1, algo);
3362                         hexdump(output, req->dlen);
3363                         ret = -EINVAL;
3364                         kfree(input_vec);
3365                         acomp_request_free(req);
3366                         goto out;
3367                 }
3368
3369                 kfree(input_vec);
3370                 acomp_request_free(req);
3371         }
3372
3373         for (i = 0; i < dtcount; i++) {
3374                 unsigned int dlen = COMP_BUF_SIZE;
3375                 int ilen = dtemplate[i].inlen;
3376                 void *input_vec;
3377
3378                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3379                 if (!input_vec) {
3380                         ret = -ENOMEM;
3381                         goto out;
3382                 }
3383
3384                 memset(output, 0, dlen);
3385                 crypto_init_wait(&wait);
3386                 sg_init_one(&src, input_vec, ilen);
3387                 sg_init_one(&dst, output, dlen);
3388
3389                 req = acomp_request_alloc(tfm);
3390                 if (!req) {
3391                         pr_err("alg: acomp: request alloc failed for %s\n",
3392                                algo);
3393                         kfree(input_vec);
3394                         ret = -ENOMEM;
3395                         goto out;
3396                 }
3397
3398                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3399                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3400                                            crypto_req_done, &wait);
3401
3402                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3403                 if (ret) {
3404                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3405                                i + 1, algo, -ret);
3406                         kfree(input_vec);
3407                         acomp_request_free(req);
3408                         goto out;
3409                 }
3410
3411                 if (req->dlen != dtemplate[i].outlen) {
3412                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3413                                i + 1, algo, req->dlen);
3414                         ret = -EINVAL;
3415                         kfree(input_vec);
3416                         acomp_request_free(req);
3417                         goto out;
3418                 }
3419
3420                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3421                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3422                                i + 1, algo);
3423                         hexdump(output, req->dlen);
3424                         ret = -EINVAL;
3425                         kfree(input_vec);
3426                         acomp_request_free(req);
3427                         goto out;
3428                 }
3429
3430                 kfree(input_vec);
3431                 acomp_request_free(req);
3432         }
3433
3434         ret = 0;
3435
3436 out:
3437         kfree(decomp_out);
3438         kfree(output);
3439         return ret;
3440 }
3441
3442 static int test_cprng(struct crypto_rng *tfm,
3443                       const struct cprng_testvec *template,
3444                       unsigned int tcount)
3445 {
3446         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3447         int err = 0, i, j, seedsize;
3448         u8 *seed;
3449         char result[32];
3450
3451         seedsize = crypto_rng_seedsize(tfm);
3452
3453         seed = kmalloc(seedsize, GFP_KERNEL);
3454         if (!seed) {
3455                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3456                        "for %s\n", algo);
3457                 return -ENOMEM;
3458         }
3459
3460         for (i = 0; i < tcount; i++) {
3461                 memset(result, 0, 32);
3462
3463                 memcpy(seed, template[i].v, template[i].vlen);
3464                 memcpy(seed + template[i].vlen, template[i].key,
3465                        template[i].klen);
3466                 memcpy(seed + template[i].vlen + template[i].klen,
3467                        template[i].dt, template[i].dtlen);
3468
3469                 err = crypto_rng_reset(tfm, seed, seedsize);
3470                 if (err) {
3471                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3472                                "for %s\n", algo);
3473                         goto out;
3474                 }
3475
3476                 for (j = 0; j < template[i].loops; j++) {
3477                         err = crypto_rng_get_bytes(tfm, result,
3478                                                    template[i].rlen);
3479                         if (err < 0) {
3480                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3481                                        "the correct amount of random data for "
3482                                        "%s (requested %d)\n", algo,
3483                                        template[i].rlen);
3484                                 goto out;
3485                         }
3486                 }
3487
3488                 err = memcmp(result, template[i].result,
3489                              template[i].rlen);
3490                 if (err) {
3491                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3492                                i, algo);
3493                         hexdump(result, template[i].rlen);
3494                         err = -EINVAL;
3495                         goto out;
3496                 }
3497         }
3498
3499 out:
3500         kfree(seed);
3501         return err;
3502 }
3503
3504 static int alg_test_cipher(const struct alg_test_desc *desc,
3505                            const char *driver, u32 type, u32 mask)
3506 {
3507         const struct cipher_test_suite *suite = &desc->suite.cipher;
3508         struct crypto_cipher *tfm;
3509         int err;
3510
3511         tfm = crypto_alloc_cipher(driver, type, mask);
3512         if (IS_ERR(tfm)) {
3513                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3514                        "%s: %ld\n", driver, PTR_ERR(tfm));
3515                 return PTR_ERR(tfm);
3516         }
3517
3518         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3519         if (!err)
3520                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3521
3522         crypto_free_cipher(tfm);
3523         return err;
3524 }
3525
3526 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3527                          u32 type, u32 mask)
3528 {
3529         struct crypto_comp *comp;
3530         struct crypto_acomp *acomp;
3531         int err;
3532         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3533
3534         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3535                 acomp = crypto_alloc_acomp(driver, type, mask);
3536                 if (IS_ERR(acomp)) {
3537                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3538                                driver, PTR_ERR(acomp));
3539                         return PTR_ERR(acomp);
3540                 }
3541                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3542                                  desc->suite.comp.decomp.vecs,
3543                                  desc->suite.comp.comp.count,
3544                                  desc->suite.comp.decomp.count);
3545                 crypto_free_acomp(acomp);
3546         } else {
3547                 comp = crypto_alloc_comp(driver, type, mask);
3548                 if (IS_ERR(comp)) {
3549                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3550                                driver, PTR_ERR(comp));
3551                         return PTR_ERR(comp);
3552                 }
3553
3554                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3555                                 desc->suite.comp.decomp.vecs,
3556                                 desc->suite.comp.comp.count,
3557                                 desc->suite.comp.decomp.count);
3558
3559                 crypto_free_comp(comp);
3560         }
3561         return err;
3562 }
3563
3564 static int alg_test_crc32c(const struct alg_test_desc *desc,
3565                            const char *driver, u32 type, u32 mask)
3566 {
3567         struct crypto_shash *tfm;
3568         __le32 val;
3569         int err;
3570
3571         err = alg_test_hash(desc, driver, type, mask);
3572         if (err)
3573                 return err;
3574
3575         tfm = crypto_alloc_shash(driver, type, mask);
3576         if (IS_ERR(tfm)) {
3577                 if (PTR_ERR(tfm) == -ENOENT) {
3578                         /*
3579                          * This crc32c implementation is only available through
3580                          * ahash API, not the shash API, so the remaining part
3581                          * of the test is not applicable to it.
3582                          */
3583                         return 0;
3584                 }
3585                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3586                        "%ld\n", driver, PTR_ERR(tfm));
3587                 return PTR_ERR(tfm);
3588         }
3589         driver = crypto_shash_driver_name(tfm);
3590
3591         do {
3592                 SHASH_DESC_ON_STACK(shash, tfm);
3593                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3594
3595                 shash->tfm = tfm;
3596
3597                 *ctx = 420553207;
3598                 err = crypto_shash_final(shash, (u8 *)&val);
3599                 if (err) {
3600                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3601                                "%s: %d\n", driver, err);
3602                         break;
3603                 }
3604
3605                 if (val != cpu_to_le32(~420553207)) {
3606                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3607                                driver, le32_to_cpu(val));
3608                         err = -EINVAL;
3609                 }
3610         } while (0);
3611
3612         crypto_free_shash(tfm);
3613
3614         return err;
3615 }
3616
3617 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3618                           u32 type, u32 mask)
3619 {
3620         struct crypto_rng *rng;
3621         int err;
3622
3623         rng = crypto_alloc_rng(driver, type, mask);
3624         if (IS_ERR(rng)) {
3625                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3626                        "%ld\n", driver, PTR_ERR(rng));
3627                 return PTR_ERR(rng);
3628         }
3629
3630         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3631
3632         crypto_free_rng(rng);
3633
3634         return err;
3635 }
3636
3637
3638 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3639                           const char *driver, u32 type, u32 mask)
3640 {
3641         int ret = -EAGAIN;
3642         struct crypto_rng *drng;
3643         struct drbg_test_data test_data;
3644         struct drbg_string addtl, pers, testentropy;
3645         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3646
3647         if (!buf)
3648                 return -ENOMEM;
3649
3650         drng = crypto_alloc_rng(driver, type, mask);
3651         if (IS_ERR(drng)) {
3652                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3653                        "%s\n", driver);
3654                 kfree_sensitive(buf);
3655                 return -ENOMEM;
3656         }
3657
3658         test_data.testentropy = &testentropy;
3659         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3660         drbg_string_fill(&pers, test->pers, test->perslen);
3661         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3662         if (ret) {
3663                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3664                 goto outbuf;
3665         }
3666
3667         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3668         if (pr) {
3669                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3670                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3671                         buf, test->expectedlen, &addtl, &test_data);
3672         } else {
3673                 ret = crypto_drbg_get_bytes_addtl(drng,
3674                         buf, test->expectedlen, &addtl);
3675         }
3676         if (ret < 0) {
3677                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3678                        "driver %s\n", driver);
3679                 goto outbuf;
3680         }
3681
3682         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3683         if (pr) {
3684                 drbg_string_fill(&testentropy, test->entprb, 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         ret = memcmp(test->expected, buf, test->expectedlen);
3698
3699 outbuf:
3700         crypto_free_rng(drng);
3701         kfree_sensitive(buf);
3702         return ret;
3703 }
3704
3705
3706 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3707                          u32 type, u32 mask)
3708 {
3709         int err = 0;
3710         int pr = 0;
3711         int i = 0;
3712         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3713         unsigned int tcount = desc->suite.drbg.count;
3714
3715         if (0 == memcmp(driver, "drbg_pr_", 8))
3716                 pr = 1;
3717
3718         for (i = 0; i < tcount; i++) {
3719                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3720                 if (err) {
3721                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3722                                i, driver);
3723                         err = -EINVAL;
3724                         break;
3725                 }
3726         }
3727         return err;
3728
3729 }
3730
3731 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3732                        const char *alg)
3733 {
3734         struct kpp_request *req;
3735         void *input_buf = NULL;
3736         void *output_buf = NULL;
3737         void *a_public = NULL;
3738         void *a_ss = NULL;
3739         void *shared_secret = NULL;
3740         struct crypto_wait wait;
3741         unsigned int out_len_max;
3742         int err = -ENOMEM;
3743         struct scatterlist src, dst;
3744
3745         req = kpp_request_alloc(tfm, GFP_KERNEL);
3746         if (!req)
3747                 return err;
3748
3749         crypto_init_wait(&wait);
3750
3751         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3752         if (err < 0)
3753                 goto free_req;
3754
3755         out_len_max = crypto_kpp_maxsize(tfm);
3756         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3757         if (!output_buf) {
3758                 err = -ENOMEM;
3759                 goto free_req;
3760         }
3761
3762         /* Use appropriate parameter as base */
3763         kpp_request_set_input(req, NULL, 0);
3764         sg_init_one(&dst, output_buf, out_len_max);
3765         kpp_request_set_output(req, &dst, out_len_max);
3766         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3767                                  crypto_req_done, &wait);
3768
3769         /* Compute party A's public key */
3770         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3771         if (err) {
3772                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3773                        alg, err);
3774                 goto free_output;
3775         }
3776
3777         if (vec->genkey) {
3778                 /* Save party A's public key */
3779                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3780                 if (!a_public) {
3781                         err = -ENOMEM;
3782                         goto free_output;
3783                 }
3784         } else {
3785                 /* Verify calculated public key */
3786                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3787                            vec->expected_a_public_size)) {
3788                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3789                                alg);
3790                         err = -EINVAL;
3791                         goto free_output;
3792                 }
3793         }
3794
3795         /* Calculate shared secret key by using counter part (b) public key. */
3796         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3797         if (!input_buf) {
3798                 err = -ENOMEM;
3799                 goto free_output;
3800         }
3801
3802         sg_init_one(&src, input_buf, vec->b_public_size);
3803         sg_init_one(&dst, output_buf, out_len_max);
3804         kpp_request_set_input(req, &src, vec->b_public_size);
3805         kpp_request_set_output(req, &dst, out_len_max);
3806         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3807                                  crypto_req_done, &wait);
3808         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3809         if (err) {
3810                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3811                        alg, err);
3812                 goto free_all;
3813         }
3814
3815         if (vec->genkey) {
3816                 /* Save the shared secret obtained by party A */
3817                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3818                 if (!a_ss) {
3819                         err = -ENOMEM;
3820                         goto free_all;
3821                 }
3822
3823                 /*
3824                  * Calculate party B's shared secret by using party A's
3825                  * public key.
3826                  */
3827                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3828                                             vec->b_secret_size);
3829                 if (err < 0)
3830                         goto free_all;
3831
3832                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3833                 sg_init_one(&dst, output_buf, out_len_max);
3834                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3835                 kpp_request_set_output(req, &dst, out_len_max);
3836                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3837                                          crypto_req_done, &wait);
3838                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3839                                       &wait);
3840                 if (err) {
3841                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3842                                alg, err);
3843                         goto free_all;
3844                 }
3845
3846                 shared_secret = a_ss;
3847         } else {
3848                 shared_secret = (void *)vec->expected_ss;
3849         }
3850
3851         /*
3852          * verify shared secret from which the user will derive
3853          * secret key by executing whatever hash it has chosen
3854          */
3855         if (memcmp(shared_secret, sg_virt(req->dst),
3856                    vec->expected_ss_size)) {
3857                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3858                        alg);
3859                 err = -EINVAL;
3860         }
3861
3862 free_all:
3863         kfree(a_ss);
3864         kfree(input_buf);
3865 free_output:
3866         kfree(a_public);
3867         kfree(output_buf);
3868 free_req:
3869         kpp_request_free(req);
3870         return err;
3871 }
3872
3873 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3874                     const struct kpp_testvec *vecs, unsigned int tcount)
3875 {
3876         int ret, i;
3877
3878         for (i = 0; i < tcount; i++) {
3879                 ret = do_test_kpp(tfm, vecs++, alg);
3880                 if (ret) {
3881                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
3882                                alg, i + 1, ret);
3883                         return ret;
3884                 }
3885         }
3886         return 0;
3887 }
3888
3889 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3890                         u32 type, u32 mask)
3891 {
3892         struct crypto_kpp *tfm;
3893         int err = 0;
3894
3895         tfm = crypto_alloc_kpp(driver, type, mask);
3896         if (IS_ERR(tfm)) {
3897                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3898                        driver, PTR_ERR(tfm));
3899                 return PTR_ERR(tfm);
3900         }
3901         if (desc->suite.kpp.vecs)
3902                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3903                                desc->suite.kpp.count);
3904
3905         crypto_free_kpp(tfm);
3906         return err;
3907 }
3908
3909 static u8 *test_pack_u32(u8 *dst, u32 val)
3910 {
3911         memcpy(dst, &val, sizeof(val));
3912         return dst + sizeof(val);
3913 }
3914
3915 static int test_akcipher_one(struct crypto_akcipher *tfm,
3916                              const struct akcipher_testvec *vecs)
3917 {
3918         char *xbuf[XBUFSIZE];
3919         struct akcipher_request *req;
3920         void *outbuf_enc = NULL;
3921         void *outbuf_dec = NULL;
3922         struct crypto_wait wait;
3923         unsigned int out_len_max, out_len = 0;
3924         int err = -ENOMEM;
3925         struct scatterlist src, dst, src_tab[3];
3926         const char *m, *c;
3927         unsigned int m_size, c_size;
3928         const char *op;
3929         u8 *key, *ptr;
3930
3931         if (testmgr_alloc_buf(xbuf))
3932                 return err;
3933
3934         req = akcipher_request_alloc(tfm, GFP_KERNEL);
3935         if (!req)
3936                 goto free_xbuf;
3937
3938         crypto_init_wait(&wait);
3939
3940         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3941                       GFP_KERNEL);
3942         if (!key)
3943                 goto free_req;
3944         memcpy(key, vecs->key, vecs->key_len);
3945         ptr = key + vecs->key_len;
3946         ptr = test_pack_u32(ptr, vecs->algo);
3947         ptr = test_pack_u32(ptr, vecs->param_len);
3948         memcpy(ptr, vecs->params, vecs->param_len);
3949
3950         if (vecs->public_key_vec)
3951                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3952         else
3953                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3954         if (err)
3955                 goto free_key;
3956
3957         /*
3958          * First run test which do not require a private key, such as
3959          * encrypt or verify.
3960          */
3961         err = -ENOMEM;
3962         out_len_max = crypto_akcipher_maxsize(tfm);
3963         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3964         if (!outbuf_enc)
3965                 goto free_key;
3966
3967         if (!vecs->siggen_sigver_test) {
3968                 m = vecs->m;
3969                 m_size = vecs->m_size;
3970                 c = vecs->c;
3971                 c_size = vecs->c_size;
3972                 op = "encrypt";
3973         } else {
3974                 /* Swap args so we could keep plaintext (digest)
3975                  * in vecs->m, and cooked signature in vecs->c.
3976                  */
3977                 m = vecs->c; /* signature */
3978                 m_size = vecs->c_size;
3979                 c = vecs->m; /* digest */
3980                 c_size = vecs->m_size;
3981                 op = "verify";
3982         }
3983
3984         err = -E2BIG;
3985         if (WARN_ON(m_size > PAGE_SIZE))
3986                 goto free_all;
3987         memcpy(xbuf[0], m, m_size);
3988
3989         sg_init_table(src_tab, 3);
3990         sg_set_buf(&src_tab[0], xbuf[0], 8);
3991         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
3992         if (vecs->siggen_sigver_test) {
3993                 if (WARN_ON(c_size > PAGE_SIZE))
3994                         goto free_all;
3995                 memcpy(xbuf[1], c, c_size);
3996                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
3997                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
3998         } else {
3999                 sg_init_one(&dst, outbuf_enc, out_len_max);
4000                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4001                                            out_len_max);
4002         }
4003         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4004                                       crypto_req_done, &wait);
4005
4006         err = crypto_wait_req(vecs->siggen_sigver_test ?
4007                               /* Run asymmetric signature verification */
4008                               crypto_akcipher_verify(req) :
4009                               /* Run asymmetric encrypt */
4010                               crypto_akcipher_encrypt(req), &wait);
4011         if (err) {
4012                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4013                 goto free_all;
4014         }
4015         if (!vecs->siggen_sigver_test && c) {
4016                 if (req->dst_len != c_size) {
4017                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4018                                op);
4019                         err = -EINVAL;
4020                         goto free_all;
4021                 }
4022                 /* verify that encrypted message is equal to expected */
4023                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4024                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4025                                op);
4026                         hexdump(outbuf_enc, c_size);
4027                         err = -EINVAL;
4028                         goto free_all;
4029                 }
4030         }
4031
4032         /*
4033          * Don't invoke (decrypt or sign) test which require a private key
4034          * for vectors with only a public key.
4035          */
4036         if (vecs->public_key_vec) {
4037                 err = 0;
4038                 goto free_all;
4039         }
4040         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4041         if (!outbuf_dec) {
4042                 err = -ENOMEM;
4043                 goto free_all;
4044         }
4045
4046         if (!vecs->siggen_sigver_test && !c) {
4047                 c = outbuf_enc;
4048                 c_size = req->dst_len;
4049         }
4050
4051         err = -E2BIG;
4052         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4053         if (WARN_ON(c_size > PAGE_SIZE))
4054                 goto free_all;
4055         memcpy(xbuf[0], c, c_size);
4056
4057         sg_init_one(&src, xbuf[0], c_size);
4058         sg_init_one(&dst, outbuf_dec, out_len_max);
4059         crypto_init_wait(&wait);
4060         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4061
4062         err = crypto_wait_req(vecs->siggen_sigver_test ?
4063                               /* Run asymmetric signature generation */
4064                               crypto_akcipher_sign(req) :
4065                               /* Run asymmetric decrypt */
4066                               crypto_akcipher_decrypt(req), &wait);
4067         if (err) {
4068                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4069                 goto free_all;
4070         }
4071         out_len = req->dst_len;
4072         if (out_len < m_size) {
4073                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4074                        op, out_len);
4075                 err = -EINVAL;
4076                 goto free_all;
4077         }
4078         /* verify that decrypted message is equal to the original msg */
4079         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4080             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4081                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4082                 hexdump(outbuf_dec, out_len);
4083                 err = -EINVAL;
4084         }
4085 free_all:
4086         kfree(outbuf_dec);
4087         kfree(outbuf_enc);
4088 free_key:
4089         kfree(key);
4090 free_req:
4091         akcipher_request_free(req);
4092 free_xbuf:
4093         testmgr_free_buf(xbuf);
4094         return err;
4095 }
4096
4097 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4098                          const struct akcipher_testvec *vecs,
4099                          unsigned int tcount)
4100 {
4101         const char *algo =
4102                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4103         int ret, i;
4104
4105         for (i = 0; i < tcount; i++) {
4106                 ret = test_akcipher_one(tfm, vecs++);
4107                 if (!ret)
4108                         continue;
4109
4110                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4111                        i + 1, algo, ret);
4112                 return ret;
4113         }
4114         return 0;
4115 }
4116
4117 static int alg_test_akcipher(const struct alg_test_desc *desc,
4118                              const char *driver, u32 type, u32 mask)
4119 {
4120         struct crypto_akcipher *tfm;
4121         int err = 0;
4122
4123         tfm = crypto_alloc_akcipher(driver, type, mask);
4124         if (IS_ERR(tfm)) {
4125                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4126                        driver, PTR_ERR(tfm));
4127                 return PTR_ERR(tfm);
4128         }
4129         if (desc->suite.akcipher.vecs)
4130                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4131                                     desc->suite.akcipher.count);
4132
4133         crypto_free_akcipher(tfm);
4134         return err;
4135 }
4136
4137 static int alg_test_null(const struct alg_test_desc *desc,
4138                              const char *driver, u32 type, u32 mask)
4139 {
4140         return 0;
4141 }
4142
4143 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4144 #define __VECS(tv)      { ____VECS(tv) }
4145
4146 /* Please keep this list sorted by algorithm name. */
4147 static const struct alg_test_desc alg_test_descs[] = {
4148         {
4149                 .alg = "adiantum(xchacha12,aes)",
4150                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4151                 .test = alg_test_skcipher,
4152                 .suite = {
4153                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4154                 },
4155         }, {
4156                 .alg = "adiantum(xchacha20,aes)",
4157                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4158                 .test = alg_test_skcipher,
4159                 .suite = {
4160                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4161                 },
4162         }, {
4163                 .alg = "aegis128",
4164                 .test = alg_test_aead,
4165                 .suite = {
4166                         .aead = __VECS(aegis128_tv_template)
4167                 }
4168         }, {
4169                 .alg = "ansi_cprng",
4170                 .test = alg_test_cprng,
4171                 .suite = {
4172                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4173                 }
4174         }, {
4175                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4176                 .test = alg_test_aead,
4177                 .suite = {
4178                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4179                 }
4180         }, {
4181                 .alg = "authenc(hmac(sha1),cbc(aes))",
4182                 .test = alg_test_aead,
4183                 .fips_allowed = 1,
4184                 .suite = {
4185                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4186                 }
4187         }, {
4188                 .alg = "authenc(hmac(sha1),cbc(des))",
4189                 .test = alg_test_aead,
4190                 .suite = {
4191                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4192                 }
4193         }, {
4194                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4195                 .test = alg_test_aead,
4196                 .fips_allowed = 1,
4197                 .suite = {
4198                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4199                 }
4200         }, {
4201                 .alg = "authenc(hmac(sha1),ctr(aes))",
4202                 .test = alg_test_null,
4203                 .fips_allowed = 1,
4204         }, {
4205                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4206                 .test = alg_test_aead,
4207                 .suite = {
4208                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4209                 }
4210         }, {
4211                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4212                 .test = alg_test_null,
4213                 .fips_allowed = 1,
4214         }, {
4215                 .alg = "authenc(hmac(sha224),cbc(des))",
4216                 .test = alg_test_aead,
4217                 .suite = {
4218                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4219                 }
4220         }, {
4221                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4222                 .test = alg_test_aead,
4223                 .fips_allowed = 1,
4224                 .suite = {
4225                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4226                 }
4227         }, {
4228                 .alg = "authenc(hmac(sha256),cbc(aes))",
4229                 .test = alg_test_aead,
4230                 .fips_allowed = 1,
4231                 .suite = {
4232                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4233                 }
4234         }, {
4235                 .alg = "authenc(hmac(sha256),cbc(des))",
4236                 .test = alg_test_aead,
4237                 .suite = {
4238                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4239                 }
4240         }, {
4241                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4242                 .test = alg_test_aead,
4243                 .fips_allowed = 1,
4244                 .suite = {
4245                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4246                 }
4247         }, {
4248                 .alg = "authenc(hmac(sha256),ctr(aes))",
4249                 .test = alg_test_null,
4250                 .fips_allowed = 1,
4251         }, {
4252                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4253                 .test = alg_test_null,
4254                 .fips_allowed = 1,
4255         }, {
4256                 .alg = "authenc(hmac(sha384),cbc(des))",
4257                 .test = alg_test_aead,
4258                 .suite = {
4259                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4260                 }
4261         }, {
4262                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4263                 .test = alg_test_aead,
4264                 .fips_allowed = 1,
4265                 .suite = {
4266                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4267                 }
4268         }, {
4269                 .alg = "authenc(hmac(sha384),ctr(aes))",
4270                 .test = alg_test_null,
4271                 .fips_allowed = 1,
4272         }, {
4273                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4274                 .test = alg_test_null,
4275                 .fips_allowed = 1,
4276         }, {
4277                 .alg = "authenc(hmac(sha512),cbc(aes))",
4278                 .fips_allowed = 1,
4279                 .test = alg_test_aead,
4280                 .suite = {
4281                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4282                 }
4283         }, {
4284                 .alg = "authenc(hmac(sha512),cbc(des))",
4285                 .test = alg_test_aead,
4286                 .suite = {
4287                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4288                 }
4289         }, {
4290                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4291                 .test = alg_test_aead,
4292                 .fips_allowed = 1,
4293                 .suite = {
4294                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4295                 }
4296         }, {
4297                 .alg = "authenc(hmac(sha512),ctr(aes))",
4298                 .test = alg_test_null,
4299                 .fips_allowed = 1,
4300         }, {
4301                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4302                 .test = alg_test_null,
4303                 .fips_allowed = 1,
4304         }, {
4305                 .alg = "blake2b-160",
4306                 .test = alg_test_hash,
4307                 .fips_allowed = 0,
4308                 .suite = {
4309                         .hash = __VECS(blake2b_160_tv_template)
4310                 }
4311         }, {
4312                 .alg = "blake2b-256",
4313                 .test = alg_test_hash,
4314                 .fips_allowed = 0,
4315                 .suite = {
4316                         .hash = __VECS(blake2b_256_tv_template)
4317                 }
4318         }, {
4319                 .alg = "blake2b-384",
4320                 .test = alg_test_hash,
4321                 .fips_allowed = 0,
4322                 .suite = {
4323                         .hash = __VECS(blake2b_384_tv_template)
4324                 }
4325         }, {
4326                 .alg = "blake2b-512",
4327                 .test = alg_test_hash,
4328                 .fips_allowed = 0,
4329                 .suite = {
4330                         .hash = __VECS(blake2b_512_tv_template)
4331                 }
4332         }, {
4333                 .alg = "cbc(aes)",
4334                 .test = alg_test_skcipher,
4335                 .fips_allowed = 1,
4336                 .suite = {
4337                         .cipher = __VECS(aes_cbc_tv_template)
4338                 },
4339         }, {
4340                 .alg = "cbc(anubis)",
4341                 .test = alg_test_skcipher,
4342                 .suite = {
4343                         .cipher = __VECS(anubis_cbc_tv_template)
4344                 },
4345         }, {
4346                 .alg = "cbc(blowfish)",
4347                 .test = alg_test_skcipher,
4348                 .suite = {
4349                         .cipher = __VECS(bf_cbc_tv_template)
4350                 },
4351         }, {
4352                 .alg = "cbc(camellia)",
4353                 .test = alg_test_skcipher,
4354                 .suite = {
4355                         .cipher = __VECS(camellia_cbc_tv_template)
4356                 },
4357         }, {
4358                 .alg = "cbc(cast5)",
4359                 .test = alg_test_skcipher,
4360                 .suite = {
4361                         .cipher = __VECS(cast5_cbc_tv_template)
4362                 },
4363         }, {
4364                 .alg = "cbc(cast6)",
4365                 .test = alg_test_skcipher,
4366                 .suite = {
4367                         .cipher = __VECS(cast6_cbc_tv_template)
4368                 },
4369         }, {
4370                 .alg = "cbc(des)",
4371                 .test = alg_test_skcipher,
4372                 .suite = {
4373                         .cipher = __VECS(des_cbc_tv_template)
4374                 },
4375         }, {
4376                 .alg = "cbc(des3_ede)",
4377                 .test = alg_test_skcipher,
4378                 .fips_allowed = 1,
4379                 .suite = {
4380                         .cipher = __VECS(des3_ede_cbc_tv_template)
4381                 },
4382         }, {
4383                 /* Same as cbc(aes) except the key is stored in
4384                  * hardware secure memory which we reference by index
4385                  */
4386                 .alg = "cbc(paes)",
4387                 .test = alg_test_null,
4388                 .fips_allowed = 1,
4389         }, {
4390                 /* Same as cbc(sm4) except the key is stored in
4391                  * hardware secure memory which we reference by index
4392                  */
4393                 .alg = "cbc(psm4)",
4394                 .test = alg_test_null,
4395         }, {
4396                 .alg = "cbc(serpent)",
4397                 .test = alg_test_skcipher,
4398                 .suite = {
4399                         .cipher = __VECS(serpent_cbc_tv_template)
4400                 },
4401         }, {
4402                 .alg = "cbc(sm4)",
4403                 .test = alg_test_skcipher,
4404                 .suite = {
4405                         .cipher = __VECS(sm4_cbc_tv_template)
4406                 }
4407         }, {
4408                 .alg = "cbc(twofish)",
4409                 .test = alg_test_skcipher,
4410                 .suite = {
4411                         .cipher = __VECS(tf_cbc_tv_template)
4412                 },
4413         }, {
4414 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4415                 .alg = "cbc-paes-s390",
4416                 .fips_allowed = 1,
4417                 .test = alg_test_skcipher,
4418                 .suite = {
4419                         .cipher = __VECS(aes_cbc_tv_template)
4420                 }
4421         }, {
4422 #endif
4423                 .alg = "cbcmac(aes)",
4424                 .fips_allowed = 1,
4425                 .test = alg_test_hash,
4426                 .suite = {
4427                         .hash = __VECS(aes_cbcmac_tv_template)
4428                 }
4429         }, {
4430                 .alg = "cbcmac(sm4)",
4431                 .test = alg_test_hash,
4432                 .suite = {
4433                         .hash = __VECS(sm4_cbcmac_tv_template)
4434                 }
4435         }, {
4436                 .alg = "ccm(aes)",
4437                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4438                 .test = alg_test_aead,
4439                 .fips_allowed = 1,
4440                 .suite = {
4441                         .aead = {
4442                                 ____VECS(aes_ccm_tv_template),
4443                                 .einval_allowed = 1,
4444                         }
4445                 }
4446         }, {
4447                 .alg = "ccm(sm4)",
4448                 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4449                 .test = alg_test_aead,
4450                 .suite = {
4451                         .aead = {
4452                                 ____VECS(sm4_ccm_tv_template),
4453                                 .einval_allowed = 1,
4454                         }
4455                 }
4456         }, {
4457                 .alg = "cfb(aes)",
4458                 .test = alg_test_skcipher,
4459                 .fips_allowed = 1,
4460                 .suite = {
4461                         .cipher = __VECS(aes_cfb_tv_template)
4462                 },
4463         }, {
4464                 .alg = "cfb(sm4)",
4465                 .test = alg_test_skcipher,
4466                 .suite = {
4467                         .cipher = __VECS(sm4_cfb_tv_template)
4468                 }
4469         }, {
4470                 .alg = "chacha20",
4471                 .test = alg_test_skcipher,
4472                 .suite = {
4473                         .cipher = __VECS(chacha20_tv_template)
4474                 },
4475         }, {
4476                 .alg = "cmac(aes)",
4477                 .fips_allowed = 1,
4478                 .test = alg_test_hash,
4479                 .suite = {
4480                         .hash = __VECS(aes_cmac128_tv_template)
4481                 }
4482         }, {
4483                 .alg = "cmac(des3_ede)",
4484                 .fips_allowed = 1,
4485                 .test = alg_test_hash,
4486                 .suite = {
4487                         .hash = __VECS(des3_ede_cmac64_tv_template)
4488                 }
4489         }, {
4490                 .alg = "cmac(sm4)",
4491                 .test = alg_test_hash,
4492                 .suite = {
4493                         .hash = __VECS(sm4_cmac128_tv_template)
4494                 }
4495         }, {
4496                 .alg = "compress_null",
4497                 .test = alg_test_null,
4498         }, {
4499                 .alg = "crc32",
4500                 .test = alg_test_hash,
4501                 .fips_allowed = 1,
4502                 .suite = {
4503                         .hash = __VECS(crc32_tv_template)
4504                 }
4505         }, {
4506                 .alg = "crc32c",
4507                 .test = alg_test_crc32c,
4508                 .fips_allowed = 1,
4509                 .suite = {
4510                         .hash = __VECS(crc32c_tv_template)
4511                 }
4512         }, {
4513                 .alg = "crct10dif",
4514                 .test = alg_test_hash,
4515                 .fips_allowed = 1,
4516                 .suite = {
4517                         .hash = __VECS(crct10dif_tv_template)
4518                 }
4519         }, {
4520                 .alg = "ctr(aes)",
4521                 .test = alg_test_skcipher,
4522                 .fips_allowed = 1,
4523                 .suite = {
4524                         .cipher = __VECS(aes_ctr_tv_template)
4525                 }
4526         }, {
4527                 .alg = "ctr(blowfish)",
4528                 .test = alg_test_skcipher,
4529                 .suite = {
4530                         .cipher = __VECS(bf_ctr_tv_template)
4531                 }
4532         }, {
4533                 .alg = "ctr(camellia)",
4534                 .test = alg_test_skcipher,
4535                 .suite = {
4536                         .cipher = __VECS(camellia_ctr_tv_template)
4537                 }
4538         }, {
4539                 .alg = "ctr(cast5)",
4540                 .test = alg_test_skcipher,
4541                 .suite = {
4542                         .cipher = __VECS(cast5_ctr_tv_template)
4543                 }
4544         }, {
4545                 .alg = "ctr(cast6)",
4546                 .test = alg_test_skcipher,
4547                 .suite = {
4548                         .cipher = __VECS(cast6_ctr_tv_template)
4549                 }
4550         }, {
4551                 .alg = "ctr(des)",
4552                 .test = alg_test_skcipher,
4553                 .suite = {
4554                         .cipher = __VECS(des_ctr_tv_template)
4555                 }
4556         }, {
4557                 .alg = "ctr(des3_ede)",
4558                 .test = alg_test_skcipher,
4559                 .fips_allowed = 1,
4560                 .suite = {
4561                         .cipher = __VECS(des3_ede_ctr_tv_template)
4562                 }
4563         }, {
4564                 /* Same as ctr(aes) except the key is stored in
4565                  * hardware secure memory which we reference by index
4566                  */
4567                 .alg = "ctr(paes)",
4568                 .test = alg_test_null,
4569                 .fips_allowed = 1,
4570         }, {
4571
4572                 /* Same as ctr(sm4) except the key is stored in
4573                  * hardware secure memory which we reference by index
4574                  */
4575                 .alg = "ctr(psm4)",
4576                 .test = alg_test_null,
4577         }, {
4578                 .alg = "ctr(serpent)",
4579                 .test = alg_test_skcipher,
4580                 .suite = {
4581                         .cipher = __VECS(serpent_ctr_tv_template)
4582                 }
4583         }, {
4584                 .alg = "ctr(sm4)",
4585                 .test = alg_test_skcipher,
4586                 .suite = {
4587                         .cipher = __VECS(sm4_ctr_tv_template)
4588                 }
4589         }, {
4590                 .alg = "ctr(twofish)",
4591                 .test = alg_test_skcipher,
4592                 .suite = {
4593                         .cipher = __VECS(tf_ctr_tv_template)
4594                 }
4595         }, {
4596 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4597                 .alg = "ctr-paes-s390",
4598                 .fips_allowed = 1,
4599                 .test = alg_test_skcipher,
4600                 .suite = {
4601                         .cipher = __VECS(aes_ctr_tv_template)
4602                 }
4603         }, {
4604 #endif
4605                 .alg = "cts(cbc(aes))",
4606                 .test = alg_test_skcipher,
4607                 .fips_allowed = 1,
4608                 .suite = {
4609                         .cipher = __VECS(cts_mode_tv_template)
4610                 }
4611         }, {
4612                 /* Same as cts(cbc((aes)) except the key is stored in
4613                  * hardware secure memory which we reference by index
4614                  */
4615                 .alg = "cts(cbc(paes))",
4616                 .test = alg_test_null,
4617                 .fips_allowed = 1,
4618         }, {
4619                 .alg = "curve25519",
4620                 .test = alg_test_kpp,
4621                 .suite = {
4622                         .kpp = __VECS(curve25519_tv_template)
4623                 }
4624         }, {
4625                 .alg = "deflate",
4626                 .test = alg_test_comp,
4627                 .fips_allowed = 1,
4628                 .suite = {
4629                         .comp = {
4630                                 .comp = __VECS(deflate_comp_tv_template),
4631                                 .decomp = __VECS(deflate_decomp_tv_template)
4632                         }
4633                 }
4634         }, {
4635                 .alg = "dh",
4636                 .test = alg_test_kpp,
4637                 .fips_allowed = 1,
4638                 .suite = {
4639                         .kpp = __VECS(dh_tv_template)
4640                 }
4641         }, {
4642                 .alg = "digest_null",
4643                 .test = alg_test_null,
4644         }, {
4645                 .alg = "drbg_nopr_ctr_aes128",
4646                 .test = alg_test_drbg,
4647                 .fips_allowed = 1,
4648                 .suite = {
4649                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4650                 }
4651         }, {
4652                 .alg = "drbg_nopr_ctr_aes192",
4653                 .test = alg_test_drbg,
4654                 .fips_allowed = 1,
4655                 .suite = {
4656                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4657                 }
4658         }, {
4659                 .alg = "drbg_nopr_ctr_aes256",
4660                 .test = alg_test_drbg,
4661                 .fips_allowed = 1,
4662                 .suite = {
4663                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4664                 }
4665         }, {
4666                 /*
4667                  * There is no need to specifically test the DRBG with every
4668                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4669                  */
4670                 .alg = "drbg_nopr_hmac_sha1",
4671                 .fips_allowed = 1,
4672                 .test = alg_test_null,
4673         }, {
4674                 .alg = "drbg_nopr_hmac_sha256",
4675                 .test = alg_test_drbg,
4676                 .fips_allowed = 1,
4677                 .suite = {
4678                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4679                 }
4680         }, {
4681                 /* covered by drbg_nopr_hmac_sha256 test */
4682                 .alg = "drbg_nopr_hmac_sha384",
4683                 .fips_allowed = 1,
4684                 .test = alg_test_null,
4685         }, {
4686                 .alg = "drbg_nopr_hmac_sha512",
4687                 .test = alg_test_drbg,
4688                 .fips_allowed = 1,
4689                 .suite = {
4690                         .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4691                 }
4692         }, {
4693                 .alg = "drbg_nopr_sha1",
4694                 .fips_allowed = 1,
4695                 .test = alg_test_null,
4696         }, {
4697                 .alg = "drbg_nopr_sha256",
4698                 .test = alg_test_drbg,
4699                 .fips_allowed = 1,
4700                 .suite = {
4701                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4702                 }
4703         }, {
4704                 /* covered by drbg_nopr_sha256 test */
4705                 .alg = "drbg_nopr_sha384",
4706                 .fips_allowed = 1,
4707                 .test = alg_test_null,
4708         }, {
4709                 .alg = "drbg_nopr_sha512",
4710                 .fips_allowed = 1,
4711                 .test = alg_test_null,
4712         }, {
4713                 .alg = "drbg_pr_ctr_aes128",
4714                 .test = alg_test_drbg,
4715                 .fips_allowed = 1,
4716                 .suite = {
4717                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4718                 }
4719         }, {
4720                 /* covered by drbg_pr_ctr_aes128 test */
4721                 .alg = "drbg_pr_ctr_aes192",
4722                 .fips_allowed = 1,
4723                 .test = alg_test_null,
4724         }, {
4725                 .alg = "drbg_pr_ctr_aes256",
4726                 .fips_allowed = 1,
4727                 .test = alg_test_null,
4728         }, {
4729                 .alg = "drbg_pr_hmac_sha1",
4730                 .fips_allowed = 1,
4731                 .test = alg_test_null,
4732         }, {
4733                 .alg = "drbg_pr_hmac_sha256",
4734                 .test = alg_test_drbg,
4735                 .fips_allowed = 1,
4736                 .suite = {
4737                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4738                 }
4739         }, {
4740                 /* covered by drbg_pr_hmac_sha256 test */
4741                 .alg = "drbg_pr_hmac_sha384",
4742                 .fips_allowed = 1,
4743                 .test = alg_test_null,
4744         }, {
4745                 .alg = "drbg_pr_hmac_sha512",
4746                 .test = alg_test_null,
4747                 .fips_allowed = 1,
4748         }, {
4749                 .alg = "drbg_pr_sha1",
4750                 .fips_allowed = 1,
4751                 .test = alg_test_null,
4752         }, {
4753                 .alg = "drbg_pr_sha256",
4754                 .test = alg_test_drbg,
4755                 .fips_allowed = 1,
4756                 .suite = {
4757                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4758                 }
4759         }, {
4760                 /* covered by drbg_pr_sha256 test */
4761                 .alg = "drbg_pr_sha384",
4762                 .fips_allowed = 1,
4763                 .test = alg_test_null,
4764         }, {
4765                 .alg = "drbg_pr_sha512",
4766                 .fips_allowed = 1,
4767                 .test = alg_test_null,
4768         }, {
4769                 .alg = "ecb(aes)",
4770                 .test = alg_test_skcipher,
4771                 .fips_allowed = 1,
4772                 .suite = {
4773                         .cipher = __VECS(aes_tv_template)
4774                 }
4775         }, {
4776                 .alg = "ecb(anubis)",
4777                 .test = alg_test_skcipher,
4778                 .suite = {
4779                         .cipher = __VECS(anubis_tv_template)
4780                 }
4781         }, {
4782                 .alg = "ecb(arc4)",
4783                 .generic_driver = "ecb(arc4)-generic",
4784                 .test = alg_test_skcipher,
4785                 .suite = {
4786                         .cipher = __VECS(arc4_tv_template)
4787                 }
4788         }, {
4789                 .alg = "ecb(blowfish)",
4790                 .test = alg_test_skcipher,
4791                 .suite = {
4792                         .cipher = __VECS(bf_tv_template)
4793                 }
4794         }, {
4795                 .alg = "ecb(camellia)",
4796                 .test = alg_test_skcipher,
4797                 .suite = {
4798                         .cipher = __VECS(camellia_tv_template)
4799                 }
4800         }, {
4801                 .alg = "ecb(cast5)",
4802                 .test = alg_test_skcipher,
4803                 .suite = {
4804                         .cipher = __VECS(cast5_tv_template)
4805                 }
4806         }, {
4807                 .alg = "ecb(cast6)",
4808                 .test = alg_test_skcipher,
4809                 .suite = {
4810                         .cipher = __VECS(cast6_tv_template)
4811                 }
4812         }, {
4813                 .alg = "ecb(cipher_null)",
4814                 .test = alg_test_null,
4815                 .fips_allowed = 1,
4816         }, {
4817                 .alg = "ecb(des)",
4818                 .test = alg_test_skcipher,
4819                 .suite = {
4820                         .cipher = __VECS(des_tv_template)
4821                 }
4822         }, {
4823                 .alg = "ecb(des3_ede)",
4824                 .test = alg_test_skcipher,
4825                 .fips_allowed = 1,
4826                 .suite = {
4827                         .cipher = __VECS(des3_ede_tv_template)
4828                 }
4829         }, {
4830                 .alg = "ecb(fcrypt)",
4831                 .test = alg_test_skcipher,
4832                 .suite = {
4833                         .cipher = {
4834                                 .vecs = fcrypt_pcbc_tv_template,
4835                                 .count = 1
4836                         }
4837                 }
4838         }, {
4839                 .alg = "ecb(khazad)",
4840                 .test = alg_test_skcipher,
4841                 .suite = {
4842                         .cipher = __VECS(khazad_tv_template)
4843                 }
4844         }, {
4845                 /* Same as ecb(aes) except the key is stored in
4846                  * hardware secure memory which we reference by index
4847                  */
4848                 .alg = "ecb(paes)",
4849                 .test = alg_test_null,
4850                 .fips_allowed = 1,
4851         }, {
4852                 .alg = "ecb(seed)",
4853                 .test = alg_test_skcipher,
4854                 .suite = {
4855                         .cipher = __VECS(seed_tv_template)
4856                 }
4857         }, {
4858                 .alg = "ecb(serpent)",
4859                 .test = alg_test_skcipher,
4860                 .suite = {
4861                         .cipher = __VECS(serpent_tv_template)
4862                 }
4863         }, {
4864                 .alg = "ecb(sm4)",
4865                 .test = alg_test_skcipher,
4866                 .suite = {
4867                         .cipher = __VECS(sm4_tv_template)
4868                 }
4869         }, {
4870                 .alg = "ecb(tea)",
4871                 .test = alg_test_skcipher,
4872                 .suite = {
4873                         .cipher = __VECS(tea_tv_template)
4874                 }
4875         }, {
4876                 .alg = "ecb(twofish)",
4877                 .test = alg_test_skcipher,
4878                 .suite = {
4879                         .cipher = __VECS(tf_tv_template)
4880                 }
4881         }, {
4882                 .alg = "ecb(xeta)",
4883                 .test = alg_test_skcipher,
4884                 .suite = {
4885                         .cipher = __VECS(xeta_tv_template)
4886                 }
4887         }, {
4888                 .alg = "ecb(xtea)",
4889                 .test = alg_test_skcipher,
4890                 .suite = {
4891                         .cipher = __VECS(xtea_tv_template)
4892                 }
4893         }, {
4894 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4895                 .alg = "ecb-paes-s390",
4896                 .fips_allowed = 1,
4897                 .test = alg_test_skcipher,
4898                 .suite = {
4899                         .cipher = __VECS(aes_tv_template)
4900                 }
4901         }, {
4902 #endif
4903                 .alg = "ecdh-nist-p192",
4904                 .test = alg_test_kpp,
4905                 .suite = {
4906                         .kpp = __VECS(ecdh_p192_tv_template)
4907                 }
4908         }, {
4909                 .alg = "ecdh-nist-p256",
4910                 .test = alg_test_kpp,
4911                 .fips_allowed = 1,
4912                 .suite = {
4913                         .kpp = __VECS(ecdh_p256_tv_template)
4914                 }
4915         }, {
4916                 .alg = "ecdh-nist-p384",
4917                 .test = alg_test_kpp,
4918                 .fips_allowed = 1,
4919                 .suite = {
4920                         .kpp = __VECS(ecdh_p384_tv_template)
4921                 }
4922         }, {
4923                 .alg = "ecdsa-nist-p192",
4924                 .test = alg_test_akcipher,
4925                 .suite = {
4926                         .akcipher = __VECS(ecdsa_nist_p192_tv_template)
4927                 }
4928         }, {
4929                 .alg = "ecdsa-nist-p256",
4930                 .test = alg_test_akcipher,
4931                 .suite = {
4932                         .akcipher = __VECS(ecdsa_nist_p256_tv_template)
4933                 }
4934         }, {
4935                 .alg = "ecdsa-nist-p384",
4936                 .test = alg_test_akcipher,
4937                 .suite = {
4938                         .akcipher = __VECS(ecdsa_nist_p384_tv_template)
4939                 }
4940         }, {
4941                 .alg = "ecrdsa",
4942                 .test = alg_test_akcipher,
4943                 .suite = {
4944                         .akcipher = __VECS(ecrdsa_tv_template)
4945                 }
4946         }, {
4947                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4948                 .test = alg_test_aead,
4949                 .fips_allowed = 1,
4950                 .suite = {
4951                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4952                 }
4953         }, {
4954                 .alg = "essiv(cbc(aes),sha256)",
4955                 .test = alg_test_skcipher,
4956                 .fips_allowed = 1,
4957                 .suite = {
4958                         .cipher = __VECS(essiv_aes_cbc_tv_template)
4959                 }
4960         }, {
4961                 .alg = "gcm(aes)",
4962                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4963                 .test = alg_test_aead,
4964                 .fips_allowed = 1,
4965                 .suite = {
4966                         .aead = __VECS(aes_gcm_tv_template)
4967                 }
4968         }, {
4969                 .alg = "gcm(sm4)",
4970                 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
4971                 .test = alg_test_aead,
4972                 .suite = {
4973                         .aead = __VECS(sm4_gcm_tv_template)
4974                 }
4975         }, {
4976                 .alg = "ghash",
4977                 .test = alg_test_hash,
4978                 .fips_allowed = 1,
4979                 .suite = {
4980                         .hash = __VECS(ghash_tv_template)
4981                 }
4982         }, {
4983                 .alg = "hmac(md5)",
4984                 .test = alg_test_hash,
4985                 .suite = {
4986                         .hash = __VECS(hmac_md5_tv_template)
4987                 }
4988         }, {
4989                 .alg = "hmac(rmd160)",
4990                 .test = alg_test_hash,
4991                 .suite = {
4992                         .hash = __VECS(hmac_rmd160_tv_template)
4993                 }
4994         }, {
4995                 .alg = "hmac(sha1)",
4996                 .test = alg_test_hash,
4997                 .fips_allowed = 1,
4998                 .suite = {
4999                         .hash = __VECS(hmac_sha1_tv_template)
5000                 }
5001         }, {
5002                 .alg = "hmac(sha224)",
5003                 .test = alg_test_hash,
5004                 .fips_allowed = 1,
5005                 .suite = {
5006                         .hash = __VECS(hmac_sha224_tv_template)
5007                 }
5008         }, {
5009                 .alg = "hmac(sha256)",
5010                 .test = alg_test_hash,
5011                 .fips_allowed = 1,
5012                 .suite = {
5013                         .hash = __VECS(hmac_sha256_tv_template)
5014                 }
5015         }, {
5016                 .alg = "hmac(sha3-224)",
5017                 .test = alg_test_hash,
5018                 .fips_allowed = 1,
5019                 .suite = {
5020                         .hash = __VECS(hmac_sha3_224_tv_template)
5021                 }
5022         }, {
5023                 .alg = "hmac(sha3-256)",
5024                 .test = alg_test_hash,
5025                 .fips_allowed = 1,
5026                 .suite = {
5027                         .hash = __VECS(hmac_sha3_256_tv_template)
5028                 }
5029         }, {
5030                 .alg = "hmac(sha3-384)",
5031                 .test = alg_test_hash,
5032                 .fips_allowed = 1,
5033                 .suite = {
5034                         .hash = __VECS(hmac_sha3_384_tv_template)
5035                 }
5036         }, {
5037                 .alg = "hmac(sha3-512)",
5038                 .test = alg_test_hash,
5039                 .fips_allowed = 1,
5040                 .suite = {
5041                         .hash = __VECS(hmac_sha3_512_tv_template)
5042                 }
5043         }, {
5044                 .alg = "hmac(sha384)",
5045                 .test = alg_test_hash,
5046                 .fips_allowed = 1,
5047                 .suite = {
5048                         .hash = __VECS(hmac_sha384_tv_template)
5049                 }
5050         }, {
5051                 .alg = "hmac(sha512)",
5052                 .test = alg_test_hash,
5053                 .fips_allowed = 1,
5054                 .suite = {
5055                         .hash = __VECS(hmac_sha512_tv_template)
5056                 }
5057         }, {
5058                 .alg = "hmac(sm3)",
5059                 .test = alg_test_hash,
5060                 .suite = {
5061                         .hash = __VECS(hmac_sm3_tv_template)
5062                 }
5063         }, {
5064                 .alg = "hmac(streebog256)",
5065                 .test = alg_test_hash,
5066                 .suite = {
5067                         .hash = __VECS(hmac_streebog256_tv_template)
5068                 }
5069         }, {
5070                 .alg = "hmac(streebog512)",
5071                 .test = alg_test_hash,
5072                 .suite = {
5073                         .hash = __VECS(hmac_streebog512_tv_template)
5074                 }
5075         }, {
5076                 .alg = "jitterentropy_rng",
5077                 .fips_allowed = 1,
5078                 .test = alg_test_null,
5079         }, {
5080                 .alg = "kw(aes)",
5081                 .test = alg_test_skcipher,
5082                 .fips_allowed = 1,
5083                 .suite = {
5084                         .cipher = __VECS(aes_kw_tv_template)
5085                 }
5086         }, {
5087                 .alg = "lrw(aes)",
5088                 .generic_driver = "lrw(ecb(aes-generic))",
5089                 .test = alg_test_skcipher,
5090                 .suite = {
5091                         .cipher = __VECS(aes_lrw_tv_template)
5092                 }
5093         }, {
5094                 .alg = "lrw(camellia)",
5095                 .generic_driver = "lrw(ecb(camellia-generic))",
5096                 .test = alg_test_skcipher,
5097                 .suite = {
5098                         .cipher = __VECS(camellia_lrw_tv_template)
5099                 }
5100         }, {
5101                 .alg = "lrw(cast6)",
5102                 .generic_driver = "lrw(ecb(cast6-generic))",
5103                 .test = alg_test_skcipher,
5104                 .suite = {
5105                         .cipher = __VECS(cast6_lrw_tv_template)
5106                 }
5107         }, {
5108                 .alg = "lrw(serpent)",
5109                 .generic_driver = "lrw(ecb(serpent-generic))",
5110                 .test = alg_test_skcipher,
5111                 .suite = {
5112                         .cipher = __VECS(serpent_lrw_tv_template)
5113                 }
5114         }, {
5115                 .alg = "lrw(twofish)",
5116                 .generic_driver = "lrw(ecb(twofish-generic))",
5117                 .test = alg_test_skcipher,
5118                 .suite = {
5119                         .cipher = __VECS(tf_lrw_tv_template)
5120                 }
5121         }, {
5122                 .alg = "lz4",
5123                 .test = alg_test_comp,
5124                 .fips_allowed = 1,
5125                 .suite = {
5126                         .comp = {
5127                                 .comp = __VECS(lz4_comp_tv_template),
5128                                 .decomp = __VECS(lz4_decomp_tv_template)
5129                         }
5130                 }
5131         }, {
5132                 .alg = "lz4hc",
5133                 .test = alg_test_comp,
5134                 .fips_allowed = 1,
5135                 .suite = {
5136                         .comp = {
5137                                 .comp = __VECS(lz4hc_comp_tv_template),
5138                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5139                         }
5140                 }
5141         }, {
5142                 .alg = "lzo",
5143                 .test = alg_test_comp,
5144                 .fips_allowed = 1,
5145                 .suite = {
5146                         .comp = {
5147                                 .comp = __VECS(lzo_comp_tv_template),
5148                                 .decomp = __VECS(lzo_decomp_tv_template)
5149                         }
5150                 }
5151         }, {
5152                 .alg = "lzo-rle",
5153                 .test = alg_test_comp,
5154                 .fips_allowed = 1,
5155                 .suite = {
5156                         .comp = {
5157                                 .comp = __VECS(lzorle_comp_tv_template),
5158                                 .decomp = __VECS(lzorle_decomp_tv_template)
5159                         }
5160                 }
5161         }, {
5162                 .alg = "md4",
5163                 .test = alg_test_hash,
5164                 .suite = {
5165                         .hash = __VECS(md4_tv_template)
5166                 }
5167         }, {
5168                 .alg = "md5",
5169                 .test = alg_test_hash,
5170                 .suite = {
5171                         .hash = __VECS(md5_tv_template)
5172                 }
5173         }, {
5174                 .alg = "michael_mic",
5175                 .test = alg_test_hash,
5176                 .suite = {
5177                         .hash = __VECS(michael_mic_tv_template)
5178                 }
5179         }, {
5180                 .alg = "nhpoly1305",
5181                 .test = alg_test_hash,
5182                 .suite = {
5183                         .hash = __VECS(nhpoly1305_tv_template)
5184                 }
5185         }, {
5186                 .alg = "ofb(aes)",
5187                 .test = alg_test_skcipher,
5188                 .fips_allowed = 1,
5189                 .suite = {
5190                         .cipher = __VECS(aes_ofb_tv_template)
5191                 }
5192         }, {
5193                 /* Same as ofb(aes) except the key is stored in
5194                  * hardware secure memory which we reference by index
5195                  */
5196                 .alg = "ofb(paes)",
5197                 .test = alg_test_null,
5198                 .fips_allowed = 1,
5199         }, {
5200                 .alg = "ofb(sm4)",
5201                 .test = alg_test_skcipher,
5202                 .suite = {
5203                         .cipher = __VECS(sm4_ofb_tv_template)
5204                 }
5205         }, {
5206                 .alg = "pcbc(fcrypt)",
5207                 .test = alg_test_skcipher,
5208                 .suite = {
5209                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5210                 }
5211         }, {
5212                 .alg = "pkcs1pad(rsa,sha224)",
5213                 .test = alg_test_null,
5214                 .fips_allowed = 1,
5215         }, {
5216                 .alg = "pkcs1pad(rsa,sha256)",
5217                 .test = alg_test_akcipher,
5218                 .fips_allowed = 1,
5219                 .suite = {
5220                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5221                 }
5222         }, {
5223                 .alg = "pkcs1pad(rsa,sha384)",
5224                 .test = alg_test_null,
5225                 .fips_allowed = 1,
5226         }, {
5227                 .alg = "pkcs1pad(rsa,sha512)",
5228                 .test = alg_test_null,
5229                 .fips_allowed = 1,
5230         }, {
5231                 .alg = "poly1305",
5232                 .test = alg_test_hash,
5233                 .suite = {
5234                         .hash = __VECS(poly1305_tv_template)
5235                 }
5236         }, {
5237                 .alg = "rfc3686(ctr(aes))",
5238                 .test = alg_test_skcipher,
5239                 .fips_allowed = 1,
5240                 .suite = {
5241                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5242                 }
5243         }, {
5244                 .alg = "rfc3686(ctr(sm4))",
5245                 .test = alg_test_skcipher,
5246                 .suite = {
5247                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5248                 }
5249         }, {
5250                 .alg = "rfc4106(gcm(aes))",
5251                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5252                 .test = alg_test_aead,
5253                 .fips_allowed = 1,
5254                 .suite = {
5255                         .aead = {
5256                                 ____VECS(aes_gcm_rfc4106_tv_template),
5257                                 .einval_allowed = 1,
5258                                 .aad_iv = 1,
5259                         }
5260                 }
5261         }, {
5262                 .alg = "rfc4309(ccm(aes))",
5263                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5264                 .test = alg_test_aead,
5265                 .fips_allowed = 1,
5266                 .suite = {
5267                         .aead = {
5268                                 ____VECS(aes_ccm_rfc4309_tv_template),
5269                                 .einval_allowed = 1,
5270                                 .aad_iv = 1,
5271                         }
5272                 }
5273         }, {
5274                 .alg = "rfc4543(gcm(aes))",
5275                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5276                 .test = alg_test_aead,
5277                 .suite = {
5278                         .aead = {
5279                                 ____VECS(aes_gcm_rfc4543_tv_template),
5280                                 .einval_allowed = 1,
5281                                 .aad_iv = 1,
5282                         }
5283                 }
5284         }, {
5285                 .alg = "rfc7539(chacha20,poly1305)",
5286                 .test = alg_test_aead,
5287                 .suite = {
5288                         .aead = __VECS(rfc7539_tv_template)
5289                 }
5290         }, {
5291                 .alg = "rfc7539esp(chacha20,poly1305)",
5292                 .test = alg_test_aead,
5293                 .suite = {
5294                         .aead = {
5295                                 ____VECS(rfc7539esp_tv_template),
5296                                 .einval_allowed = 1,
5297                                 .aad_iv = 1,
5298                         }
5299                 }
5300         }, {
5301                 .alg = "rmd160",
5302                 .test = alg_test_hash,
5303                 .suite = {
5304                         .hash = __VECS(rmd160_tv_template)
5305                 }
5306         }, {
5307                 .alg = "rsa",
5308                 .test = alg_test_akcipher,
5309                 .fips_allowed = 1,
5310                 .suite = {
5311                         .akcipher = __VECS(rsa_tv_template)
5312                 }
5313         }, {
5314                 .alg = "sha1",
5315                 .test = alg_test_hash,
5316                 .fips_allowed = 1,
5317                 .suite = {
5318                         .hash = __VECS(sha1_tv_template)
5319                 }
5320         }, {
5321                 .alg = "sha224",
5322                 .test = alg_test_hash,
5323                 .fips_allowed = 1,
5324                 .suite = {
5325                         .hash = __VECS(sha224_tv_template)
5326                 }
5327         }, {
5328                 .alg = "sha256",
5329                 .test = alg_test_hash,
5330                 .fips_allowed = 1,
5331                 .suite = {
5332                         .hash = __VECS(sha256_tv_template)
5333                 }
5334         }, {
5335                 .alg = "sha3-224",
5336                 .test = alg_test_hash,
5337                 .fips_allowed = 1,
5338                 .suite = {
5339                         .hash = __VECS(sha3_224_tv_template)
5340                 }
5341         }, {
5342                 .alg = "sha3-256",
5343                 .test = alg_test_hash,
5344                 .fips_allowed = 1,
5345                 .suite = {
5346                         .hash = __VECS(sha3_256_tv_template)
5347                 }
5348         }, {
5349                 .alg = "sha3-384",
5350                 .test = alg_test_hash,
5351                 .fips_allowed = 1,
5352                 .suite = {
5353                         .hash = __VECS(sha3_384_tv_template)
5354                 }
5355         }, {
5356                 .alg = "sha3-512",
5357                 .test = alg_test_hash,
5358                 .fips_allowed = 1,
5359                 .suite = {
5360                         .hash = __VECS(sha3_512_tv_template)
5361                 }
5362         }, {
5363                 .alg = "sha384",
5364                 .test = alg_test_hash,
5365                 .fips_allowed = 1,
5366                 .suite = {
5367                         .hash = __VECS(sha384_tv_template)
5368                 }
5369         }, {
5370                 .alg = "sha512",
5371                 .test = alg_test_hash,
5372                 .fips_allowed = 1,
5373                 .suite = {
5374                         .hash = __VECS(sha512_tv_template)
5375                 }
5376         }, {
5377                 .alg = "sm2",
5378                 .test = alg_test_akcipher,
5379                 .suite = {
5380                         .akcipher = __VECS(sm2_tv_template)
5381                 }
5382         }, {
5383                 .alg = "sm3",
5384                 .test = alg_test_hash,
5385                 .suite = {
5386                         .hash = __VECS(sm3_tv_template)
5387                 }
5388         }, {
5389                 .alg = "streebog256",
5390                 .test = alg_test_hash,
5391                 .suite = {
5392                         .hash = __VECS(streebog256_tv_template)
5393                 }
5394         }, {
5395                 .alg = "streebog512",
5396                 .test = alg_test_hash,
5397                 .suite = {
5398                         .hash = __VECS(streebog512_tv_template)
5399                 }
5400         }, {
5401                 .alg = "vmac64(aes)",
5402                 .test = alg_test_hash,
5403                 .suite = {
5404                         .hash = __VECS(vmac64_aes_tv_template)
5405                 }
5406         }, {
5407                 .alg = "wp256",
5408                 .test = alg_test_hash,
5409                 .suite = {
5410                         .hash = __VECS(wp256_tv_template)
5411                 }
5412         }, {
5413                 .alg = "wp384",
5414                 .test = alg_test_hash,
5415                 .suite = {
5416                         .hash = __VECS(wp384_tv_template)
5417                 }
5418         }, {
5419                 .alg = "wp512",
5420                 .test = alg_test_hash,
5421                 .suite = {
5422                         .hash = __VECS(wp512_tv_template)
5423                 }
5424         }, {
5425                 .alg = "xcbc(aes)",
5426                 .test = alg_test_hash,
5427                 .suite = {
5428                         .hash = __VECS(aes_xcbc128_tv_template)
5429                 }
5430         }, {
5431                 .alg = "xchacha12",
5432                 .test = alg_test_skcipher,
5433                 .suite = {
5434                         .cipher = __VECS(xchacha12_tv_template)
5435                 },
5436         }, {
5437                 .alg = "xchacha20",
5438                 .test = alg_test_skcipher,
5439                 .suite = {
5440                         .cipher = __VECS(xchacha20_tv_template)
5441                 },
5442         }, {
5443                 .alg = "xts(aes)",
5444                 .generic_driver = "xts(ecb(aes-generic))",
5445                 .test = alg_test_skcipher,
5446                 .fips_allowed = 1,
5447                 .suite = {
5448                         .cipher = __VECS(aes_xts_tv_template)
5449                 }
5450         }, {
5451                 .alg = "xts(camellia)",
5452                 .generic_driver = "xts(ecb(camellia-generic))",
5453                 .test = alg_test_skcipher,
5454                 .suite = {
5455                         .cipher = __VECS(camellia_xts_tv_template)
5456                 }
5457         }, {
5458                 .alg = "xts(cast6)",
5459                 .generic_driver = "xts(ecb(cast6-generic))",
5460                 .test = alg_test_skcipher,
5461                 .suite = {
5462                         .cipher = __VECS(cast6_xts_tv_template)
5463                 }
5464         }, {
5465                 /* Same as xts(aes) except the key is stored in
5466                  * hardware secure memory which we reference by index
5467                  */
5468                 .alg = "xts(paes)",
5469                 .test = alg_test_null,
5470                 .fips_allowed = 1,
5471         }, {
5472                 .alg = "xts(serpent)",
5473                 .generic_driver = "xts(ecb(serpent-generic))",
5474                 .test = alg_test_skcipher,
5475                 .suite = {
5476                         .cipher = __VECS(serpent_xts_tv_template)
5477                 }
5478         }, {
5479                 .alg = "xts(twofish)",
5480                 .generic_driver = "xts(ecb(twofish-generic))",
5481                 .test = alg_test_skcipher,
5482                 .suite = {
5483                         .cipher = __VECS(tf_xts_tv_template)
5484                 }
5485         }, {
5486 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5487                 .alg = "xts-paes-s390",
5488                 .fips_allowed = 1,
5489                 .test = alg_test_skcipher,
5490                 .suite = {
5491                         .cipher = __VECS(aes_xts_tv_template)
5492                 }
5493         }, {
5494 #endif
5495                 .alg = "xts4096(paes)",
5496                 .test = alg_test_null,
5497                 .fips_allowed = 1,
5498         }, {
5499                 .alg = "xts512(paes)",
5500                 .test = alg_test_null,
5501                 .fips_allowed = 1,
5502         }, {
5503                 .alg = "xxhash64",
5504                 .test = alg_test_hash,
5505                 .fips_allowed = 1,
5506                 .suite = {
5507                         .hash = __VECS(xxhash64_tv_template)
5508                 }
5509         }, {
5510                 .alg = "zlib-deflate",
5511                 .test = alg_test_comp,
5512                 .fips_allowed = 1,
5513                 .suite = {
5514                         .comp = {
5515                                 .comp = __VECS(zlib_deflate_comp_tv_template),
5516                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5517                         }
5518                 }
5519         }, {
5520                 .alg = "zstd",
5521                 .test = alg_test_comp,
5522                 .fips_allowed = 1,
5523                 .suite = {
5524                         .comp = {
5525                                 .comp = __VECS(zstd_comp_tv_template),
5526                                 .decomp = __VECS(zstd_decomp_tv_template)
5527                         }
5528                 }
5529         }
5530 };
5531
5532 static void alg_check_test_descs_order(void)
5533 {
5534         int i;
5535
5536         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5537                 int diff = strcmp(alg_test_descs[i - 1].alg,
5538                                   alg_test_descs[i].alg);
5539
5540                 if (WARN_ON(diff > 0)) {
5541                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5542                                 alg_test_descs[i - 1].alg,
5543                                 alg_test_descs[i].alg);
5544                 }
5545
5546                 if (WARN_ON(diff == 0)) {
5547                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5548                                 alg_test_descs[i].alg);
5549                 }
5550         }
5551 }
5552
5553 static void alg_check_testvec_configs(void)
5554 {
5555         int i;
5556
5557         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5558                 WARN_ON(!valid_testvec_config(
5559                                 &default_cipher_testvec_configs[i]));
5560
5561         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5562                 WARN_ON(!valid_testvec_config(
5563                                 &default_hash_testvec_configs[i]));
5564 }
5565
5566 static void testmgr_onetime_init(void)
5567 {
5568         alg_check_test_descs_order();
5569         alg_check_testvec_configs();
5570
5571 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5572         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5573 #endif
5574 }
5575
5576 static int alg_find_test(const char *alg)
5577 {
5578         int start = 0;
5579         int end = ARRAY_SIZE(alg_test_descs);
5580
5581         while (start < end) {
5582                 int i = (start + end) / 2;
5583                 int diff = strcmp(alg_test_descs[i].alg, alg);
5584
5585                 if (diff > 0) {
5586                         end = i;
5587                         continue;
5588                 }
5589
5590                 if (diff < 0) {
5591                         start = i + 1;
5592                         continue;
5593                 }
5594
5595                 return i;
5596         }
5597
5598         return -1;
5599 }
5600
5601 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5602 {
5603         int i;
5604         int j;
5605         int rc;
5606
5607         if (!fips_enabled && notests) {
5608                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5609                 return 0;
5610         }
5611
5612         DO_ONCE(testmgr_onetime_init);
5613
5614         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5615                 char nalg[CRYPTO_MAX_ALG_NAME];
5616
5617                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5618                     sizeof(nalg))
5619                         return -ENAMETOOLONG;
5620
5621                 i = alg_find_test(nalg);
5622                 if (i < 0)
5623                         goto notest;
5624
5625                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5626                         goto non_fips_alg;
5627
5628                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5629                 goto test_done;
5630         }
5631
5632         i = alg_find_test(alg);
5633         j = alg_find_test(driver);
5634         if (i < 0 && j < 0)
5635                 goto notest;
5636
5637         if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
5638                              (j >= 0 && !alg_test_descs[j].fips_allowed)))
5639                 goto non_fips_alg;
5640
5641         rc = 0;
5642         if (i >= 0)
5643                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5644                                              type, mask);
5645         if (j >= 0 && j != i)
5646                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5647                                              type, mask);
5648
5649 test_done:
5650         if (rc) {
5651                 if (fips_enabled || panic_on_fail) {
5652                         fips_fail_notify();
5653                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5654                               driver, alg,
5655                               fips_enabled ? "fips" : "panic_on_fail");
5656                 }
5657                 WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)",
5658                      driver, alg, rc);
5659         } else {
5660                 if (fips_enabled)
5661                         pr_info("alg: self-tests for %s (%s) passed\n",
5662                                 driver, alg);
5663         }
5664
5665         return rc;
5666
5667 notest:
5668         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5669         return 0;
5670 non_fips_alg:
5671         return -EINVAL;
5672 }
5673
5674 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5675
5676 EXPORT_SYMBOL_GPL(alg_test);