crypto/testmgr.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Algorithm testing framework and tests.
   4  *
   5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
   7  * Copyright (c) 2007 Nokia Siemens Networks
   8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
   9  * Copyright (c) 2019 Google LLC
  10  *
  11  * Updated RFC4106 AES-GCM testing.
  12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
  13  *             Adrian Hoban <adrian.hoban@intel.com>
  14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
  15  *             Tadeusz Struk (tadeusz.struk@intel.com)
  16  *    Copyright (c) 2010, Intel Corporation.
  17  */
  18
  19 #include <crypto/aead.h>
  20 #include <crypto/hash.h>
  21 #include <crypto/skcipher.h>
  22 #include <linux/err.h>
  23 #include <linux/fips.h>
  24 #include <linux/module.h>
  25 #include <linux/once.h>
  26 #include <linux/random.h>
  27 #include <linux/scatterlist.h>
  28 #include <linux/slab.h>
  29 #include <linux/string.h>
  30 #include <linux/uio.h>
  31 #include <crypto/rng.h>
  32 #include <crypto/drbg.h>
  33 #include <crypto/akcipher.h>
  34 #include <crypto/kpp.h>
  35 #include <crypto/acompress.h>
  36 #include <crypto/internal/simd.h>
  37
  38 #include "internal.h"
  39
  40 static bool notests;
  41 module_param(notests, bool, 0644);
  42 MODULE_PARM_DESC(notests, "disable crypto self-tests");
  43
  44 static bool panic_on_fail;
  45 module_param(panic_on_fail, bool, 0444);
  46
  47 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
  48 static bool noextratests;
  49 module_param(noextratests, bool, 0644);
  50 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
  51
  52 static unsigned int fuzz_iterations = 100;
  53 module_param(fuzz_iterations, uint, 0644);
  54 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
  55
  56 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
  57 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
  58 #endif
  59
  60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
  61
  62 /* a perfect nop */
  63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
  64 {
  65         return 0;
  66 }
  67
  68 #else
  69
  70 #include "testmgr.h"
  71
  72 /*
  73  * Need slab memory for testing (size in number of pages).
  74  */
  75 #define XBUFSIZE        8
  76
  77 /*
  78 * Used by test_cipher()
  79 */
  80 #define ENCRYPT 1
  81 #define DECRYPT 0
  82
  83 struct aead_test_suite {
  84         const struct aead_testvec *vecs;
  85         unsigned int count;
  86
  87         /*
  88          * Set if trying to decrypt an inauthentic ciphertext with this
  89          * algorithm might result in EINVAL rather than EBADMSG, due to other
  90          * validation the algorithm does on the inputs such as length checks.
  91          */
  92         unsigned int einval_allowed : 1;
  93
  94         /*
  95          * Set if this algorithm requires that the IV be located at the end of
  96          * the AAD buffer, in addition to being given in the normal way.  The
  97          * behavior when the two IV copies differ is implementation-defined.
  98          */
  99         unsigned int aad_iv : 1;
 100 };
 101
 102 struct cipher_test_suite {
 103         const struct cipher_testvec *vecs;
 104         unsigned int count;
 105 };
 106
 107 struct comp_test_suite {
 108         struct {
 109                 const struct comp_testvec *vecs;
 110                 unsigned int count;
 111         } comp, decomp;
 112 };
 113
 114 struct hash_test_suite {
 115         const struct hash_testvec *vecs;
 116         unsigned int count;
 117 };
 118
 119 struct cprng_test_suite {
 120         const struct cprng_testvec *vecs;
 121         unsigned int count;
 122 };
 123
 124 struct drbg_test_suite {
 125         const struct drbg_testvec *vecs;
 126         unsigned int count;
 127 };
 128
 129 struct akcipher_test_suite {
 130         const struct akcipher_testvec *vecs;
 131         unsigned int count;
 132 };
 133
 134 struct kpp_test_suite {
 135         const struct kpp_testvec *vecs;
 136         unsigned int count;
 137 };
 138
 139 struct alg_test_desc {
 140         const char *alg;
 141         const char *generic_driver;
 142         int (*test)(const struct alg_test_desc *desc, const char *driver,
 143                     u32 type, u32 mask);
 144         int fips_allowed;       /* set if alg is allowed in fips mode */
 145
 146         union {
 147                 struct aead_test_suite aead;
 148                 struct cipher_test_suite cipher;
 149                 struct comp_test_suite comp;
 150                 struct hash_test_suite hash;
 151                 struct cprng_test_suite cprng;
 152                 struct drbg_test_suite drbg;
 153                 struct akcipher_test_suite akcipher;
 154                 struct kpp_test_suite kpp;
 155         } suite;
 156 };
 157
 158 static void hexdump(unsigned char *buf, unsigned int len)
 159 {
 160         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
 161                         16, 1,
 162                         buf, len, false);
 163 }
 164
 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
 166 {
 167         int i;
 168
 169         for (i = 0; i < XBUFSIZE; i++) {
 170                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
 171                 if (!buf[i])
 172                         goto err_free_buf;
 173         }
 174
 175         return 0;
 176
 177 err_free_buf:
 178         while (i-- > 0)
 179                 free_pages((unsigned long)buf[i], order);
 180
 181         return -ENOMEM;
 182 }
 183
 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
 185 {
 186         return __testmgr_alloc_buf(buf, 0);
 187 }
 188
 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
 190 {
 191         int i;
 192
 193         for (i = 0; i < XBUFSIZE; i++)
 194                 free_pages((unsigned long)buf[i], order);
 195 }
 196
 197 static void testmgr_free_buf(char *buf[XBUFSIZE])
 198 {
 199         __testmgr_free_buf(buf, 0);
 200 }
 201
 202 #define TESTMGR_POISON_BYTE     0xfe
 203 #define TESTMGR_POISON_LEN      16
 204
 205 static inline void testmgr_poison(void *addr, size_t len)
 206 {
 207         memset(addr, TESTMGR_POISON_BYTE, len);
 208 }
 209
 210 /* Is the memory region still fully poisoned? */
 211 static inline bool testmgr_is_poison(const void *addr, size_t len)
 212 {
 213         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
 214 }
 215
 216 /* flush type for hash algorithms */
 217 enum flush_type {
 218         /* merge with update of previous buffer(s) */
 219         FLUSH_TYPE_NONE = 0,
 220
 221         /* update with previous buffer(s) before doing this one */
 222         FLUSH_TYPE_FLUSH,
 223
 224         /* likewise, but also export and re-import the intermediate state */
 225         FLUSH_TYPE_REIMPORT,
 226 };
 227
 228 /* finalization function for hash algorithms */
 229 enum finalization_type {
 230         FINALIZATION_TYPE_FINAL,        /* use final() */
 231         FINALIZATION_TYPE_FINUP,        /* use finup() */
 232         FINALIZATION_TYPE_DIGEST,       /* use digest() */
 233 };
 234
 235 #define TEST_SG_TOTAL   10000
 236
 237 /**
 238  * struct test_sg_division - description of a scatterlist entry
 239  *
 240  * This struct describes one entry of a scatterlist being constructed to check a
 241  * crypto test vector.
 242  *
 243  * @proportion_of_total: length of this chunk relative to the total length,
 244  *                       given as a proportion out of TEST_SG_TOTAL so that it
 245  *                       scales to fit any test vector
 246  * @offset: byte offset into a 2-page buffer at which this chunk will start
 247  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
 248  *                                @offset
 249  * @flush_type: for hashes, whether an update() should be done now vs.
 250  *              continuing to accumulate data
 251  * @nosimd: if doing the pending update(), do it with SIMD disabled?
 252  */
 253 struct test_sg_division {
 254         unsigned int proportion_of_total;
 255         unsigned int offset;
 256         bool offset_relative_to_alignmask;
 257         enum flush_type flush_type;
 258         bool nosimd;
 259 };
 260
 261 /**
 262  * struct testvec_config - configuration for testing a crypto test vector
 263  *
 264  * This struct describes the data layout and other parameters with which each
 265  * crypto test vector can be tested.
 266  *
 267  * @name: name of this config, logged for debugging purposes if a test fails
 268  * @inplace: operate on the data in-place, if applicable for the algorithm type?
 269  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
 270  * @src_divs: description of how to arrange the source scatterlist
 271  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
 272  *            for the algorithm type.  Defaults to @src_divs if unset.
 273  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
 274  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
 275  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 276  *                                   the @iv_offset
 277  * @key_offset: misalignment of the key, where 0 is default alignment
 278  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 279  *                                    the @key_offset
 280  * @finalization_type: what finalization function to use for hashes
 281  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
 282  */
 283 struct testvec_config {
 284         const char *name;
 285         bool inplace;
 286         u32 req_flags;
 287         struct test_sg_division src_divs[XBUFSIZE];
 288         struct test_sg_division dst_divs[XBUFSIZE];
 289         unsigned int iv_offset;
 290         unsigned int key_offset;
 291         bool iv_offset_relative_to_alignmask;
 292         bool key_offset_relative_to_alignmask;
 293         enum finalization_type finalization_type;
 294         bool nosimd;
 295 };
 296
 297 #define TESTVEC_CONFIG_NAMELEN  192
 298
 299 /*
 300  * The following are the lists of testvec_configs to test for each algorithm
 301  * type when the basic crypto self-tests are enabled, i.e. when
 302  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
 303  * coverage, while keeping the test time much shorter than the full fuzz tests
 304  * so that the basic tests can be enabled in a wider range of circumstances.
 305  */
 306
 307 /* Configs for skciphers and aeads */
 308 static const struct testvec_config default_cipher_testvec_configs[] = {
 309         {
 310                 .name = "in-place",
 311                 .inplace = true,
 312                 .src_divs = { { .proportion_of_total = 10000 } },
 313         }, {
 314                 .name = "out-of-place",
 315                 .src_divs = { { .proportion_of_total = 10000 } },
 316         }, {
 317                 .name = "unaligned buffer, offset=1",
 318                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 319                 .iv_offset = 1,
 320                 .key_offset = 1,
 321         }, {
 322                 .name = "buffer aligned only to alignmask",
 323                 .src_divs = {
 324                         {
 325                                 .proportion_of_total = 10000,
 326                                 .offset = 1,
 327                                 .offset_relative_to_alignmask = true,
 328                         },
 329                 },
 330                 .iv_offset = 1,
 331                 .iv_offset_relative_to_alignmask = true,
 332                 .key_offset = 1,
 333                 .key_offset_relative_to_alignmask = true,
 334         }, {
 335                 .name = "two even aligned splits",
 336                 .src_divs = {
 337                         { .proportion_of_total = 5000 },
 338                         { .proportion_of_total = 5000 },
 339                 },
 340         }, {
 341                 .name = "uneven misaligned splits, may sleep",
 342                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 343                 .src_divs = {
 344                         { .proportion_of_total = 1900, .offset = 33 },
 345                         { .proportion_of_total = 3300, .offset = 7  },
 346                         { .proportion_of_total = 4800, .offset = 18 },
 347                 },
 348                 .iv_offset = 3,
 349                 .key_offset = 3,
 350         }, {
 351                 .name = "misaligned splits crossing pages, inplace",
 352                 .inplace = true,
 353                 .src_divs = {
 354                         {
 355                                 .proportion_of_total = 7500,
 356                                 .offset = PAGE_SIZE - 32
 357                         }, {
 358                                 .proportion_of_total = 2500,
 359                                 .offset = PAGE_SIZE - 7
 360                         },
 361                 },
 362         }
 363 };
 364
 365 static const struct testvec_config default_hash_testvec_configs[] = {
 366         {
 367                 .name = "init+update+final aligned buffer",
 368                 .src_divs = { { .proportion_of_total = 10000 } },
 369                 .finalization_type = FINALIZATION_TYPE_FINAL,
 370         }, {
 371                 .name = "init+finup aligned buffer",
 372                 .src_divs = { { .proportion_of_total = 10000 } },
 373                 .finalization_type = FINALIZATION_TYPE_FINUP,
 374         }, {
 375                 .name = "digest aligned buffer",
 376                 .src_divs = { { .proportion_of_total = 10000 } },
 377                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 378         }, {
 379                 .name = "init+update+final misaligned buffer",
 380                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 381                 .finalization_type = FINALIZATION_TYPE_FINAL,
 382                 .key_offset = 1,
 383         }, {
 384                 .name = "digest buffer aligned only to alignmask",
 385                 .src_divs = {
 386                         {
 387                                 .proportion_of_total = 10000,
 388                                 .offset = 1,
 389                                 .offset_relative_to_alignmask = true,
 390                         },
 391                 },
 392                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 393                 .key_offset = 1,
 394                 .key_offset_relative_to_alignmask = true,
 395         }, {
 396                 .name = "init+update+update+final two even splits",
 397                 .src_divs = {
 398                         { .proportion_of_total = 5000 },
 399                         {
 400                                 .proportion_of_total = 5000,
 401                                 .flush_type = FLUSH_TYPE_FLUSH,
 402                         },
 403                 },
 404                 .finalization_type = FINALIZATION_TYPE_FINAL,
 405         }, {
 406                 .name = "digest uneven misaligned splits, may sleep",
 407                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 408                 .src_divs = {
 409                         { .proportion_of_total = 1900, .offset = 33 },
 410                         { .proportion_of_total = 3300, .offset = 7  },
 411                         { .proportion_of_total = 4800, .offset = 18 },
 412                 },
 413                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 414         }, {
 415                 .name = "digest misaligned splits crossing pages",
 416                 .src_divs = {
 417                         {
 418                                 .proportion_of_total = 7500,
 419                                 .offset = PAGE_SIZE - 32,
 420                         }, {
 421                                 .proportion_of_total = 2500,
 422                                 .offset = PAGE_SIZE - 7,
 423                         },
 424                 },
 425                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 426         }, {
 427                 .name = "import/export",
 428                 .src_divs = {
 429                         {
 430                                 .proportion_of_total = 6500,
 431                                 .flush_type = FLUSH_TYPE_REIMPORT,
 432                         }, {
 433                                 .proportion_of_total = 3500,
 434                                 .flush_type = FLUSH_TYPE_REIMPORT,
 435                         },
 436                 },
 437                 .finalization_type = FINALIZATION_TYPE_FINAL,
 438         }
 439 };
 440
 441 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 442 {
 443         unsigned int remaining = TEST_SG_TOTAL;
 444         unsigned int ndivs = 0;
 445
 446         do {
 447                 remaining -= divs[ndivs++].proportion_of_total;
 448         } while (remaining);
 449
 450         return ndivs;
 451 }
 452
 453 #define SGDIVS_HAVE_FLUSHES     BIT(0)
 454 #define SGDIVS_HAVE_NOSIMD      BIT(1)
 455
 456 static bool valid_sg_divisions(const struct test_sg_division *divs,
 457                                unsigned int count, int *flags_ret)
 458 {
 459         unsigned int total = 0;
 460         unsigned int i;
 461
 462         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 463                 if (divs[i].proportion_of_total <= 0 ||
 464                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 465                         return false;
 466                 total += divs[i].proportion_of_total;
 467                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
 468                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
 469                 if (divs[i].nosimd)
 470                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
 471         }
 472         return total == TEST_SG_TOTAL &&
 473                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 474 }
 475
 476 /*
 477  * Check whether the given testvec_config is valid.  This isn't strictly needed
 478  * since every testvec_config should be valid, but check anyway so that people
 479  * don't unknowingly add broken configs that don't do what they wanted.
 480  */
 481 static bool valid_testvec_config(const struct testvec_config *cfg)
 482 {
 483         int flags = 0;
 484
 485         if (cfg->name == NULL)
 486                 return false;
 487
 488         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 489                                 &flags))
 490                 return false;
 491
 492         if (cfg->dst_divs[0].proportion_of_total) {
 493                 if (!valid_sg_divisions(cfg->dst_divs,
 494                                         ARRAY_SIZE(cfg->dst_divs), &flags))
 495                         return false;
 496         } else {
 497                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 498                         return false;
 499                 /* defaults to dst_divs=src_divs */
 500         }
 501
 502         if (cfg->iv_offset +
 503             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 504             MAX_ALGAPI_ALIGNMASK + 1)
 505                 return false;
 506
 507         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 508             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 509                 return false;
 510
 511         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 512             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 513                 return false;
 514
 515         return true;
 516 }
 517
 518 struct test_sglist {
 519         char *bufs[XBUFSIZE];
 520         struct scatterlist sgl[XBUFSIZE];
 521         struct scatterlist sgl_saved[XBUFSIZE];
 522         struct scatterlist *sgl_ptr;
 523         unsigned int nents;
 524 };
 525
 526 static int init_test_sglist(struct test_sglist *tsgl)
 527 {
 528         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 529 }
 530
 531 static void destroy_test_sglist(struct test_sglist *tsgl)
 532 {
 533         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 534 }
 535
 536 /**
 537  * build_test_sglist() - build a scatterlist for a crypto test
 538  *
 539  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 540  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 541  * @divs: the layout specification on which the scatterlist will be based
 542  * @alignmask: the algorithm's alignmask
 543  * @total_len: the total length of the scatterlist to build in bytes
 544  * @data: if non-NULL, the buffers will be filled with this data until it ends.
 545  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
 546  *        past the end of each buffer will be poisoned to help detect overruns.
 547  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 548  *            corresponds will be returned here.  This will match @divs except
 549  *            that divisions resolving to a length of 0 are omitted as they are
 550  *            not included in the scatterlist.
 551  *
 552  * Return: 0 or a -errno value
 553  */
 554 static int build_test_sglist(struct test_sglist *tsgl,
 555                              const struct test_sg_division *divs,
 556                              const unsigned int alignmask,
 557                              const unsigned int total_len,
 558                              struct iov_iter *data,
 559                              const struct test_sg_division *out_divs[XBUFSIZE])
 560 {
 561         struct {
 562                 const struct test_sg_division *div;
 563                 size_t length;
 564         } partitions[XBUFSIZE];
 565         const unsigned int ndivs = count_test_sg_divisions(divs);
 566         unsigned int len_remaining = total_len;
 567         unsigned int i;
 568
 569         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 570         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 571                 return -EINVAL;
 572
 573         /* Calculate the (div, length) pairs */
 574         tsgl->nents = 0;
 575         for (i = 0; i < ndivs; i++) {
 576                 unsigned int len_this_sg =
 577                         min(len_remaining,
 578                             (total_len * divs[i].proportion_of_total +
 579                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 580
 581                 if (len_this_sg != 0) {
 582                         partitions[tsgl->nents].div = &divs[i];
 583                         partitions[tsgl->nents].length = len_this_sg;
 584                         tsgl->nents++;
 585                         len_remaining -= len_this_sg;
 586                 }
 587         }
 588         if (tsgl->nents == 0) {
 589                 partitions[tsgl->nents].div = &divs[0];
 590                 partitions[tsgl->nents].length = 0;
 591                 tsgl->nents++;
 592         }
 593         partitions[tsgl->nents - 1].length += len_remaining;
 594
 595         /* Set up the sgl entries and fill the data or poison */
 596         sg_init_table(tsgl->sgl, tsgl->nents);
 597         for (i = 0; i < tsgl->nents; i++) {
 598                 unsigned int offset = partitions[i].div->offset;
 599                 void *addr;
 600
 601                 if (partitions[i].div->offset_relative_to_alignmask)
 602                         offset += alignmask;
 603
 604                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 605                        2 * PAGE_SIZE) {
 606                         if (WARN_ON(offset <= 0))
 607                                 return -EINVAL;
 608                         offset /= 2;
 609                 }
 610
 611                 addr = &tsgl->bufs[i][offset];
 612                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 613
 614                 if (out_divs)
 615                         out_divs[i] = partitions[i].div;
 616
 617                 if (data) {
 618                         size_t copy_len, copied;
 619
 620                         copy_len = min(partitions[i].length, data->count);
 621                         copied = copy_from_iter(addr, copy_len, data);
 622                         if (WARN_ON(copied != copy_len))
 623                                 return -EINVAL;
 624                         testmgr_poison(addr + copy_len, partitions[i].length +
 625                                        TESTMGR_POISON_LEN - copy_len);
 626                 } else {
 627                         testmgr_poison(addr, partitions[i].length +
 628                                        TESTMGR_POISON_LEN);
 629                 }
 630         }
 631
 632         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 633         tsgl->sgl_ptr = tsgl->sgl;
 634         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 635         return 0;
 636 }
 637
 638 /*
 639  * Verify that a scatterlist crypto operation produced the correct output.
 640  *
 641  * @tsgl: scatterlist containing the actual output
 642  * @expected_output: buffer containing the expected output
 643  * @len_to_check: length of @expected_output in bytes
 644  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 645  * @check_poison: verify that the poison bytes after each chunk are intact?
 646  *
 647  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 648  */
 649 static int verify_correct_output(const struct test_sglist *tsgl,
 650                                  const char *expected_output,
 651                                  unsigned int len_to_check,
 652                                  unsigned int unchecked_prefix_len,
 653                                  bool check_poison)
 654 {
 655         unsigned int i;
 656
 657         for (i = 0; i < tsgl->nents; i++) {
 658                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
 659                 unsigned int len = sg->length;
 660                 unsigned int offset = sg->offset;
 661                 const char *actual_output;
 662
 663                 if (unchecked_prefix_len) {
 664                         if (unchecked_prefix_len >= len) {
 665                                 unchecked_prefix_len -= len;
 666                                 continue;
 667                         }
 668                         offset += unchecked_prefix_len;
 669                         len -= unchecked_prefix_len;
 670                         unchecked_prefix_len = 0;
 671                 }
 672                 len = min(len, len_to_check);
 673                 actual_output = page_address(sg_page(sg)) + offset;
 674                 if (memcmp(expected_output, actual_output, len) != 0)
 675                         return -EINVAL;
 676                 if (check_poison &&
 677                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 678                         return -EOVERFLOW;
 679                 len_to_check -= len;
 680                 expected_output += len;
 681         }
 682         if (WARN_ON(len_to_check != 0))
 683                 return -EINVAL;
 684         return 0;
 685 }
 686
 687 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 688 {
 689         unsigned int i;
 690
 691         for (i = 0; i < tsgl->nents; i++) {
 692                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 693                         return true;
 694                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 695                         return true;
 696                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 697                         return true;
 698         }
 699         return false;
 700 }
 701
 702 struct cipher_test_sglists {
 703         struct test_sglist src;
 704         struct test_sglist dst;
 705 };
 706
 707 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 708 {
 709         struct cipher_test_sglists *tsgls;
 710
 711         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 712         if (!tsgls)
 713                 return NULL;
 714
 715         if (init_test_sglist(&tsgls->src) != 0)
 716                 goto fail_kfree;
 717         if (init_test_sglist(&tsgls->dst) != 0)
 718                 goto fail_destroy_src;
 719
 720         return tsgls;
 721
 722 fail_destroy_src:
 723         destroy_test_sglist(&tsgls->src);
 724 fail_kfree:
 725         kfree(tsgls);
 726         return NULL;
 727 }
 728
 729 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 730 {
 731         if (tsgls) {
 732                 destroy_test_sglist(&tsgls->src);
 733                 destroy_test_sglist(&tsgls->dst);
 734                 kfree(tsgls);
 735         }
 736 }
 737
 738 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 739 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 740                                      const struct testvec_config *cfg,
 741                                      unsigned int alignmask,
 742                                      unsigned int src_total_len,
 743                                      unsigned int dst_total_len,
 744                                      const struct kvec *inputs,
 745                                      unsigned int nr_inputs)
 746 {
 747         struct iov_iter input;
 748         int err;
 749
 750         iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
 751         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 752                                 cfg->inplace ?
 753                                         max(dst_total_len, src_total_len) :
 754                                         src_total_len,
 755                                 &input, NULL);
 756         if (err)
 757                 return err;
 758
 759         if (cfg->inplace) {
 760                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
 761                 tsgls->dst.nents = tsgls->src.nents;
 762                 return 0;
 763         }
 764         return build_test_sglist(&tsgls->dst,
 765                                  cfg->dst_divs[0].proportion_of_total ?
 766                                         cfg->dst_divs : cfg->src_divs,
 767                                  alignmask, dst_total_len, NULL, NULL);
 768 }
 769
 770 /*
 771  * Support for testing passing a misaligned key to setkey():
 772  *
 773  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 774  * optionally adding alignmask.  Else, just use the key directly.
 775  */
 776 static int prepare_keybuf(const u8 *key, unsigned int ksize,
 777                           const struct testvec_config *cfg,
 778                           unsigned int alignmask,
 779                           const u8 **keybuf_ret, const u8 **keyptr_ret)
 780 {
 781         unsigned int key_offset = cfg->key_offset;
 782         u8 *keybuf = NULL, *keyptr = (u8 *)key;
 783
 784         if (key_offset != 0) {
 785                 if (cfg->key_offset_relative_to_alignmask)
 786                         key_offset += alignmask;
 787                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 788                 if (!keybuf)
 789                         return -ENOMEM;
 790                 keyptr = keybuf + key_offset;
 791                 memcpy(keyptr, key, ksize);
 792         }
 793         *keybuf_ret = keybuf;
 794         *keyptr_ret = keyptr;
 795         return 0;
 796 }
 797
 798 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 799 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
 800 ({                                                                      \
 801         const u8 *keybuf, *keyptr;                                      \
 802         int err;                                                        \
 803                                                                         \
 804         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
 805                              &keybuf, &keyptr);                         \
 806         if (err == 0) {                                                 \
 807                 err = setkey_f((tfm), keyptr, (ksize));                 \
 808                 kfree(keybuf);                                          \
 809         }                                                               \
 810         err;                                                            \
 811 })
 812
 813 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 814
 815 /* Generate a random length in range [0, max_len], but prefer smaller values */
 816 static unsigned int generate_random_length(unsigned int max_len)
 817 {
 818         unsigned int len = prandom_u32() % (max_len + 1);
 819
 820         switch (prandom_u32() % 4) {
 821         case 0:
 822                 return len % 64;
 823         case 1:
 824                 return len % 256;
 825         case 2:
 826                 return len % 1024;
 827         default:
 828                 return len;
 829         }
 830 }
 831
 832 /* Flip a random bit in the given nonempty data buffer */
 833 static void flip_random_bit(u8 *buf, size_t size)
 834 {
 835         size_t bitpos;
 836
 837         bitpos = prandom_u32() % (size * 8);
 838         buf[bitpos / 8] ^= 1 << (bitpos % 8);
 839 }
 840
 841 /* Flip a random byte in the given nonempty data buffer */
 842 static void flip_random_byte(u8 *buf, size_t size)
 843 {
 844         buf[prandom_u32() % size] ^= 0xff;
 845 }
 846
 847 /* Sometimes make some random changes to the given nonempty data buffer */
 848 static void mutate_buffer(u8 *buf, size_t size)
 849 {
 850         size_t num_flips;
 851         size_t i;
 852
 853         /* Sometimes flip some bits */
 854         if (prandom_u32() % 4 == 0) {
 855                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
 856                 for (i = 0; i < num_flips; i++)
 857                         flip_random_bit(buf, size);
 858         }
 859
 860         /* Sometimes flip some bytes */
 861         if (prandom_u32() % 4 == 0) {
 862                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
 863                 for (i = 0; i < num_flips; i++)
 864                         flip_random_byte(buf, size);
 865         }
 866 }
 867
 868 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 869 static void generate_random_bytes(u8 *buf, size_t count)
 870 {
 871         u8 b;
 872         u8 increment;
 873         size_t i;
 874
 875         if (count == 0)
 876                 return;
 877
 878         switch (prandom_u32() % 8) { /* Choose a generation strategy */
 879         case 0:
 880         case 1:
 881                 /* All the same byte, plus optional mutations */
 882                 switch (prandom_u32() % 4) {
 883                 case 0:
 884                         b = 0x00;
 885                         break;
 886                 case 1:
 887                         b = 0xff;
 888                         break;
 889                 default:
 890                         b = (u8)prandom_u32();
 891                         break;
 892                 }
 893                 memset(buf, b, count);
 894                 mutate_buffer(buf, count);
 895                 break;
 896         case 2:
 897                 /* Ascending or descending bytes, plus optional mutations */
 898                 increment = (u8)prandom_u32();
 899                 b = (u8)prandom_u32();
 900                 for (i = 0; i < count; i++, b += increment)
 901                         buf[i] = b;
 902                 mutate_buffer(buf, count);
 903                 break;
 904         default:
 905                 /* Fully random bytes */
 906                 for (i = 0; i < count; i++)
 907                         buf[i] = (u8)prandom_u32();
 908         }
 909 }
 910
 911 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
 912                                            size_t max_divs, char *p, char *end,
 913                                            bool gen_flushes, u32 req_flags)
 914 {
 915         struct test_sg_division *div = divs;
 916         unsigned int remaining = TEST_SG_TOTAL;
 917
 918         do {
 919                 unsigned int this_len;
 920                 const char *flushtype_str;
 921
 922                 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
 923                         this_len = remaining;
 924                 else
 925                         this_len = 1 + (prandom_u32() % remaining);
 926                 div->proportion_of_total = this_len;
 927
 928                 if (prandom_u32() % 4 == 0)
 929                         div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
 930                 else if (prandom_u32() % 2 == 0)
 931                         div->offset = prandom_u32() % 32;
 932                 else
 933                         div->offset = prandom_u32() % PAGE_SIZE;
 934                 if (prandom_u32() % 8 == 0)
 935                         div->offset_relative_to_alignmask = true;
 936
 937                 div->flush_type = FLUSH_TYPE_NONE;
 938                 if (gen_flushes) {
 939                         switch (prandom_u32() % 4) {
 940                         case 0:
 941                                 div->flush_type = FLUSH_TYPE_REIMPORT;
 942                                 break;
 943                         case 1:
 944                                 div->flush_type = FLUSH_TYPE_FLUSH;
 945                                 break;
 946                         }
 947                 }
 948
 949                 if (div->flush_type != FLUSH_TYPE_NONE &&
 950                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
 951                     prandom_u32() % 2 == 0)
 952                         div->nosimd = true;
 953
 954                 switch (div->flush_type) {
 955                 case FLUSH_TYPE_FLUSH:
 956                         if (div->nosimd)
 957                                 flushtype_str = "<flush,nosimd>";
 958                         else
 959                                 flushtype_str = "<flush>";
 960                         break;
 961                 case FLUSH_TYPE_REIMPORT:
 962                         if (div->nosimd)
 963                                 flushtype_str = "<reimport,nosimd>";
 964                         else
 965                                 flushtype_str = "<reimport>";
 966                         break;
 967                 default:
 968                         flushtype_str = "";
 969                         break;
 970                 }
 971
 972                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
 973                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
 974                                this_len / 100, this_len % 100,
 975                                div->offset_relative_to_alignmask ?
 976                                         "alignmask" : "",
 977                                div->offset, this_len == remaining ? "" : ", ");
 978                 remaining -= this_len;
 979                 div++;
 980         } while (remaining);
 981
 982         return p;
 983 }
 984
 985 /* Generate a random testvec_config for fuzz testing */
 986 static void generate_random_testvec_config(struct testvec_config *cfg,
 987                                            char *name, size_t max_namelen)
 988 {
 989         char *p = name;
 990         char * const end = name + max_namelen;
 991
 992         memset(cfg, 0, sizeof(*cfg));
 993
 994         cfg->name = name;
 995
 996         p += scnprintf(p, end - p, "random:");
 997
 998         if (prandom_u32() % 2 == 0) {
 999                 cfg->inplace = true;
1000                 p += scnprintf(p, end - p, " inplace");
1001         }
1002
1003         if (prandom_u32() % 2 == 0) {
1004                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1005                 p += scnprintf(p, end - p, " may_sleep");
1006         }
1007
1008         switch (prandom_u32() % 4) {
1009         case 0:
1010                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1011                 p += scnprintf(p, end - p, " use_final");
1012                 break;
1013         case 1:
1014                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1015                 p += scnprintf(p, end - p, " use_finup");
1016                 break;
1017         default:
1018                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1019                 p += scnprintf(p, end - p, " use_digest");
1020                 break;
1021         }
1022
1023         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1024             prandom_u32() % 2 == 0) {
1025                 cfg->nosimd = true;
1026                 p += scnprintf(p, end - p, " nosimd");
1027         }
1028
1029         p += scnprintf(p, end - p, " src_divs=[");
1030         p = generate_random_sgl_divisions(cfg->src_divs,
1031                                           ARRAY_SIZE(cfg->src_divs), p, end,
1032                                           (cfg->finalization_type !=
1033                                            FINALIZATION_TYPE_DIGEST),
1034                                           cfg->req_flags);
1035         p += scnprintf(p, end - p, "]");
1036
1037         if (!cfg->inplace && prandom_u32() % 2 == 0) {
1038                 p += scnprintf(p, end - p, " dst_divs=[");
1039                 p = generate_random_sgl_divisions(cfg->dst_divs,
1040                                                   ARRAY_SIZE(cfg->dst_divs),
1041                                                   p, end, false,
1042                                                   cfg->req_flags);
1043                 p += scnprintf(p, end - p, "]");
1044         }
1045
1046         if (prandom_u32() % 2 == 0) {
1047                 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1048                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1049         }
1050
1051         if (prandom_u32() % 2 == 0) {
1052                 cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1053                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1054         }
1055
1056         WARN_ON_ONCE(!valid_testvec_config(cfg));
1057 }
1058
1059 static void crypto_disable_simd_for_test(void)
1060 {
1061         preempt_disable();
1062         __this_cpu_write(crypto_simd_disabled_for_test, true);
1063 }
1064
1065 static void crypto_reenable_simd_for_test(void)
1066 {
1067         __this_cpu_write(crypto_simd_disabled_for_test, false);
1068         preempt_enable();
1069 }
1070
1071 /*
1072  * Given an algorithm name, build the name of the generic implementation of that
1073  * algorithm, assuming the usual naming convention.  Specifically, this appends
1074  * "-generic" to every part of the name that is not a template name.  Examples:
1075  *
1076  *      aes => aes-generic
1077  *      cbc(aes) => cbc(aes-generic)
1078  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1079  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1080  *
1081  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1082  */
1083 static int build_generic_driver_name(const char *algname,
1084                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1085 {
1086         const char *in = algname;
1087         char *out = driver_name;
1088         size_t len = strlen(algname);
1089
1090         if (len >= CRYPTO_MAX_ALG_NAME)
1091                 goto too_long;
1092         do {
1093                 const char *in_saved = in;
1094
1095                 while (*in && *in != '(' && *in != ')' && *in != ',')
1096                         *out++ = *in++;
1097                 if (*in != '(' && in > in_saved) {
1098                         len += 8;
1099                         if (len >= CRYPTO_MAX_ALG_NAME)
1100                                 goto too_long;
1101                         memcpy(out, "-generic", 8);
1102                         out += 8;
1103                 }
1104         } while ((*out++ = *in++) != '\0');
1105         return 0;
1106
1107 too_long:
1108         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1109                algname);
1110         return -ENAMETOOLONG;
1111 }
1112 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1113 static void crypto_disable_simd_for_test(void)
1114 {
1115 }
1116
1117 static void crypto_reenable_simd_for_test(void)
1118 {
1119 }
1120 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1121
1122 static int build_hash_sglist(struct test_sglist *tsgl,
1123                              const struct hash_testvec *vec,
1124                              const struct testvec_config *cfg,
1125                              unsigned int alignmask,
1126                              const struct test_sg_division *divs[XBUFSIZE])
1127 {
1128         struct kvec kv;
1129         struct iov_iter input;
1130
1131         kv.iov_base = (void *)vec->plaintext;
1132         kv.iov_len = vec->psize;
1133         iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1134         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1135                                  &input, divs);
1136 }
1137
1138 static int check_hash_result(const char *type,
1139                              const u8 *result, unsigned int digestsize,
1140                              const struct hash_testvec *vec,
1141                              const char *vec_name,
1142                              const char *driver,
1143                              const struct testvec_config *cfg)
1144 {
1145         if (memcmp(result, vec->digest, digestsize) != 0) {
1146                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1147                        type, driver, vec_name, cfg->name);
1148                 return -EINVAL;
1149         }
1150         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1151                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1152                        type, driver, vec_name, cfg->name);
1153                 return -EOVERFLOW;
1154         }
1155         return 0;
1156 }
1157
1158 static inline int check_shash_op(const char *op, int err,
1159                                  const char *driver, const char *vec_name,
1160                                  const struct testvec_config *cfg)
1161 {
1162         if (err)
1163                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1164                        driver, op, err, vec_name, cfg->name);
1165         return err;
1166 }
1167
1168 static inline const void *sg_data(struct scatterlist *sg)
1169 {
1170         return page_address(sg_page(sg)) + sg->offset;
1171 }
1172
1173 /* Test one hash test vector in one configuration, using the shash API */
1174 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1175                               const char *vec_name,
1176                               const struct testvec_config *cfg,
1177                               struct shash_desc *desc,
1178                               struct test_sglist *tsgl,
1179                               u8 *hashstate)
1180 {
1181         struct crypto_shash *tfm = desc->tfm;
1182         const unsigned int alignmask = crypto_shash_alignmask(tfm);
1183         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1184         const unsigned int statesize = crypto_shash_statesize(tfm);
1185         const char *driver = crypto_shash_driver_name(tfm);
1186         const struct test_sg_division *divs[XBUFSIZE];
1187         unsigned int i;
1188         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1189         int err;
1190
1191         /* Set the key, if specified */
1192         if (vec->ksize) {
1193                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1194                                 cfg, alignmask);
1195                 if (err) {
1196                         if (err == vec->setkey_error)
1197                                 return 0;
1198                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1199                                driver, vec_name, vec->setkey_error, err,
1200                                crypto_shash_get_flags(tfm));
1201                         return err;
1202                 }
1203                 if (vec->setkey_error) {
1204                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1205                                driver, vec_name, vec->setkey_error);
1206                         return -EINVAL;
1207                 }
1208         }
1209
1210         /* Build the scatterlist for the source data */
1211         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1212         if (err) {
1213                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1214                        driver, vec_name, cfg->name);
1215                 return err;
1216         }
1217
1218         /* Do the actual hashing */
1219
1220         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1221         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1222
1223         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1224             vec->digest_error) {
1225                 /* Just using digest() */
1226                 if (tsgl->nents != 1)
1227                         return 0;
1228                 if (cfg->nosimd)
1229                         crypto_disable_simd_for_test();
1230                 err = crypto_shash_digest(desc, sg_data(&tsgl->sgl[0]),
1231                                           tsgl->sgl[0].length, result);
1232                 if (cfg->nosimd)
1233                         crypto_reenable_simd_for_test();
1234                 if (err) {
1235                         if (err == vec->digest_error)
1236                                 return 0;
1237                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1238                                driver, vec_name, vec->digest_error, err,
1239                                cfg->name);
1240                         return err;
1241                 }
1242                 if (vec->digest_error) {
1243                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1244                                driver, vec_name, vec->digest_error, cfg->name);
1245                         return -EINVAL;
1246                 }
1247                 goto result_ready;
1248         }
1249
1250         /* Using init(), zero or more update(), then final() or finup() */
1251
1252         if (cfg->nosimd)
1253                 crypto_disable_simd_for_test();
1254         err = crypto_shash_init(desc);
1255         if (cfg->nosimd)
1256                 crypto_reenable_simd_for_test();
1257         err = check_shash_op("init", err, driver, vec_name, cfg);
1258         if (err)
1259                 return err;
1260
1261         for (i = 0; i < tsgl->nents; i++) {
1262                 if (i + 1 == tsgl->nents &&
1263                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1264                         if (divs[i]->nosimd)
1265                                 crypto_disable_simd_for_test();
1266                         err = crypto_shash_finup(desc, sg_data(&tsgl->sgl[i]),
1267                                                  tsgl->sgl[i].length, result);
1268                         if (divs[i]->nosimd)
1269                                 crypto_reenable_simd_for_test();
1270                         err = check_shash_op("finup", err, driver, vec_name,
1271                                              cfg);
1272                         if (err)
1273                                 return err;
1274                         goto result_ready;
1275                 }
1276                 if (divs[i]->nosimd)
1277                         crypto_disable_simd_for_test();
1278                 err = crypto_shash_update(desc, sg_data(&tsgl->sgl[i]),
1279                                           tsgl->sgl[i].length);
1280                 if (divs[i]->nosimd)
1281                         crypto_reenable_simd_for_test();
1282                 err = check_shash_op("update", err, driver, vec_name, cfg);
1283                 if (err)
1284                         return err;
1285                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1286                         /* Test ->export() and ->import() */
1287                         testmgr_poison(hashstate + statesize,
1288                                        TESTMGR_POISON_LEN);
1289                         err = crypto_shash_export(desc, hashstate);
1290                         err = check_shash_op("export", err, driver, vec_name,
1291                                              cfg);
1292                         if (err)
1293                                 return err;
1294                         if (!testmgr_is_poison(hashstate + statesize,
1295                                                TESTMGR_POISON_LEN)) {
1296                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1297                                        driver, vec_name, cfg->name);
1298                                 return -EOVERFLOW;
1299                         }
1300                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1301                         err = crypto_shash_import(desc, hashstate);
1302                         err = check_shash_op("import", err, driver, vec_name,
1303                                              cfg);
1304                         if (err)
1305                                 return err;
1306                 }
1307         }
1308
1309         if (cfg->nosimd)
1310                 crypto_disable_simd_for_test();
1311         err = crypto_shash_final(desc, result);
1312         if (cfg->nosimd)
1313                 crypto_reenable_simd_for_test();
1314         err = check_shash_op("final", err, driver, vec_name, cfg);
1315         if (err)
1316                 return err;
1317 result_ready:
1318         return check_hash_result("shash", result, digestsize, vec, vec_name,
1319                                  driver, cfg);
1320 }
1321
1322 static int do_ahash_op(int (*op)(struct ahash_request *req),
1323                        struct ahash_request *req,
1324                        struct crypto_wait *wait, bool nosimd)
1325 {
1326         int err;
1327
1328         if (nosimd)
1329                 crypto_disable_simd_for_test();
1330
1331         err = op(req);
1332
1333         if (nosimd)
1334                 crypto_reenable_simd_for_test();
1335
1336         return crypto_wait_req(err, wait);
1337 }
1338
1339 static int check_nonfinal_ahash_op(const char *op, int err,
1340                                    u8 *result, unsigned int digestsize,
1341                                    const char *driver, const char *vec_name,
1342                                    const struct testvec_config *cfg)
1343 {
1344         if (err) {
1345                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1346                        driver, op, err, vec_name, cfg->name);
1347                 return err;
1348         }
1349         if (!testmgr_is_poison(result, digestsize)) {
1350                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1351                        driver, op, vec_name, cfg->name);
1352                 return -EINVAL;
1353         }
1354         return 0;
1355 }
1356
1357 /* Test one hash test vector in one configuration, using the ahash API */
1358 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1359                               const char *vec_name,
1360                               const struct testvec_config *cfg,
1361                               struct ahash_request *req,
1362                               struct test_sglist *tsgl,
1363                               u8 *hashstate)
1364 {
1365         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1366         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1367         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1368         const unsigned int statesize = crypto_ahash_statesize(tfm);
1369         const char *driver = crypto_ahash_driver_name(tfm);
1370         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1371         const struct test_sg_division *divs[XBUFSIZE];
1372         DECLARE_CRYPTO_WAIT(wait);
1373         unsigned int i;
1374         struct scatterlist *pending_sgl;
1375         unsigned int pending_len;
1376         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1377         int err;
1378
1379         /* Set the key, if specified */
1380         if (vec->ksize) {
1381                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1382                                 cfg, alignmask);
1383                 if (err) {
1384                         if (err == vec->setkey_error)
1385                                 return 0;
1386                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1387                                driver, vec_name, vec->setkey_error, err,
1388                                crypto_ahash_get_flags(tfm));
1389                         return err;
1390                 }
1391                 if (vec->setkey_error) {
1392                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1393                                driver, vec_name, vec->setkey_error);
1394                         return -EINVAL;
1395                 }
1396         }
1397
1398         /* Build the scatterlist for the source data */
1399         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1400         if (err) {
1401                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1402                        driver, vec_name, cfg->name);
1403                 return err;
1404         }
1405
1406         /* Do the actual hashing */
1407
1408         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1409         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1410
1411         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1412             vec->digest_error) {
1413                 /* Just using digest() */
1414                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1415                                            &wait);
1416                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1417                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1418                 if (err) {
1419                         if (err == vec->digest_error)
1420                                 return 0;
1421                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1422                                driver, vec_name, vec->digest_error, err,
1423                                cfg->name);
1424                         return err;
1425                 }
1426                 if (vec->digest_error) {
1427                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1428                                driver, vec_name, vec->digest_error, cfg->name);
1429                         return -EINVAL;
1430                 }
1431                 goto result_ready;
1432         }
1433
1434         /* Using init(), zero or more update(), then final() or finup() */
1435
1436         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1437         ahash_request_set_crypt(req, NULL, result, 0);
1438         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1439         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1440                                       driver, vec_name, cfg);
1441         if (err)
1442                 return err;
1443
1444         pending_sgl = NULL;
1445         pending_len = 0;
1446         for (i = 0; i < tsgl->nents; i++) {
1447                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1448                     pending_sgl != NULL) {
1449                         /* update() with the pending data */
1450                         ahash_request_set_callback(req, req_flags,
1451                                                    crypto_req_done, &wait);
1452                         ahash_request_set_crypt(req, pending_sgl, result,
1453                                                 pending_len);
1454                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1455                                           divs[i]->nosimd);
1456                         err = check_nonfinal_ahash_op("update", err,
1457                                                       result, digestsize,
1458                                                       driver, vec_name, cfg);
1459                         if (err)
1460                                 return err;
1461                         pending_sgl = NULL;
1462                         pending_len = 0;
1463                 }
1464                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1465                         /* Test ->export() and ->import() */
1466                         testmgr_poison(hashstate + statesize,
1467                                        TESTMGR_POISON_LEN);
1468                         err = crypto_ahash_export(req, hashstate);
1469                         err = check_nonfinal_ahash_op("export", err,
1470                                                       result, digestsize,
1471                                                       driver, vec_name, cfg);
1472                         if (err)
1473                                 return err;
1474                         if (!testmgr_is_poison(hashstate + statesize,
1475                                                TESTMGR_POISON_LEN)) {
1476                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1477                                        driver, vec_name, cfg->name);
1478                                 return -EOVERFLOW;
1479                         }
1480
1481                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1482                         err = crypto_ahash_import(req, hashstate);
1483                         err = check_nonfinal_ahash_op("import", err,
1484                                                       result, digestsize,
1485                                                       driver, vec_name, cfg);
1486                         if (err)
1487                                 return err;
1488                 }
1489                 if (pending_sgl == NULL)
1490                         pending_sgl = &tsgl->sgl[i];
1491                 pending_len += tsgl->sgl[i].length;
1492         }
1493
1494         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1495         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1496         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1497                 /* finish with update() and final() */
1498                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1499                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1500                                               driver, vec_name, cfg);
1501                 if (err)
1502                         return err;
1503                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1504                 if (err) {
1505                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1506                                driver, err, vec_name, cfg->name);
1507                         return err;
1508                 }
1509         } else {
1510                 /* finish with finup() */
1511                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1512                 if (err) {
1513                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1514                                driver, err, vec_name, cfg->name);
1515                         return err;
1516                 }
1517         }
1518
1519 result_ready:
1520         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1521                                  driver, cfg);
1522 }
1523
1524 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1525                              const char *vec_name,
1526                              const struct testvec_config *cfg,
1527                              struct ahash_request *req,
1528                              struct shash_desc *desc,
1529                              struct test_sglist *tsgl,
1530                              u8 *hashstate)
1531 {
1532         int err;
1533
1534         /*
1535          * For algorithms implemented as "shash", most bugs will be detected by
1536          * both the shash and ahash tests.  Test the shash API first so that the
1537          * failures involve less indirection, so are easier to debug.
1538          */
1539
1540         if (desc) {
1541                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1542                                          hashstate);
1543                 if (err)
1544                         return err;
1545         }
1546
1547         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1548 }
1549
1550 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1551                          struct ahash_request *req, struct shash_desc *desc,
1552                          struct test_sglist *tsgl, u8 *hashstate)
1553 {
1554         char vec_name[16];
1555         unsigned int i;
1556         int err;
1557
1558         sprintf(vec_name, "%u", vec_num);
1559
1560         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1561                 err = test_hash_vec_cfg(vec, vec_name,
1562                                         &default_hash_testvec_configs[i],
1563                                         req, desc, tsgl, hashstate);
1564                 if (err)
1565                         return err;
1566         }
1567
1568 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1569         if (!noextratests) {
1570                 struct testvec_config cfg;
1571                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1572
1573                 for (i = 0; i < fuzz_iterations; i++) {
1574                         generate_random_testvec_config(&cfg, cfgname,
1575                                                        sizeof(cfgname));
1576                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1577                                                 req, desc, tsgl, hashstate);
1578                         if (err)
1579                                 return err;
1580                         cond_resched();
1581                 }
1582         }
1583 #endif
1584         return 0;
1585 }
1586
1587 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1588 /*
1589  * Generate a hash test vector from the given implementation.
1590  * Assumes the buffers in 'vec' were already allocated.
1591  */
1592 static void generate_random_hash_testvec(struct shash_desc *desc,
1593                                          struct hash_testvec *vec,
1594                                          unsigned int maxkeysize,
1595                                          unsigned int maxdatasize,
1596                                          char *name, size_t max_namelen)
1597 {
1598         /* Data */
1599         vec->psize = generate_random_length(maxdatasize);
1600         generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1601
1602         /*
1603          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1604          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1605          */
1606         vec->setkey_error = 0;
1607         vec->ksize = 0;
1608         if (maxkeysize) {
1609                 vec->ksize = maxkeysize;
1610                 if (prandom_u32() % 4 == 0)
1611                         vec->ksize = 1 + (prandom_u32() % maxkeysize);
1612                 generate_random_bytes((u8 *)vec->key, vec->ksize);
1613
1614                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1615                                                         vec->ksize);
1616                 /* If the key couldn't be set, no need to continue to digest. */
1617                 if (vec->setkey_error)
1618                         goto done;
1619         }
1620
1621         /* Digest */
1622         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1623                                                 vec->psize, (u8 *)vec->digest);
1624 done:
1625         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1626                  vec->psize, vec->ksize);
1627 }
1628
1629 /*
1630  * Test the hash algorithm represented by @req against the corresponding generic
1631  * implementation, if one is available.
1632  */
1633 static int test_hash_vs_generic_impl(const char *generic_driver,
1634                                      unsigned int maxkeysize,
1635                                      struct ahash_request *req,
1636                                      struct shash_desc *desc,
1637                                      struct test_sglist *tsgl,
1638                                      u8 *hashstate)
1639 {
1640         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1641         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1642         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1643         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1644         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1645         const char *driver = crypto_ahash_driver_name(tfm);
1646         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1647         struct crypto_shash *generic_tfm = NULL;
1648         struct shash_desc *generic_desc = NULL;
1649         unsigned int i;
1650         struct hash_testvec vec = { 0 };
1651         char vec_name[64];
1652         struct testvec_config *cfg;
1653         char cfgname[TESTVEC_CONFIG_NAMELEN];
1654         int err;
1655
1656         if (noextratests)
1657                 return 0;
1658
1659         if (!generic_driver) { /* Use default naming convention? */
1660                 err = build_generic_driver_name(algname, _generic_driver);
1661                 if (err)
1662                         return err;
1663                 generic_driver = _generic_driver;
1664         }
1665
1666         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1667                 return 0;
1668
1669         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1670         if (IS_ERR(generic_tfm)) {
1671                 err = PTR_ERR(generic_tfm);
1672                 if (err == -ENOENT) {
1673                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1674                                 driver, generic_driver);
1675                         return 0;
1676                 }
1677                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1678                        generic_driver, algname, err);
1679                 return err;
1680         }
1681
1682         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1683         if (!cfg) {
1684                 err = -ENOMEM;
1685                 goto out;
1686         }
1687
1688         generic_desc = kzalloc(sizeof(*desc) +
1689                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1690         if (!generic_desc) {
1691                 err = -ENOMEM;
1692                 goto out;
1693         }
1694         generic_desc->tfm = generic_tfm;
1695
1696         /* Check the algorithm properties for consistency. */
1697
1698         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1699                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1700                        driver, digestsize,
1701                        crypto_shash_digestsize(generic_tfm));
1702                 err = -EINVAL;
1703                 goto out;
1704         }
1705
1706         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1707                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1708                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1709                 err = -EINVAL;
1710                 goto out;
1711         }
1712
1713         /*
1714          * Now generate test vectors using the generic implementation, and test
1715          * the other implementation against them.
1716          */
1717
1718         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1719         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1720         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1721         if (!vec.key || !vec.plaintext || !vec.digest) {
1722                 err = -ENOMEM;
1723                 goto out;
1724         }
1725
1726         for (i = 0; i < fuzz_iterations * 8; i++) {
1727                 generate_random_hash_testvec(generic_desc, &vec,
1728                                              maxkeysize, maxdatasize,
1729                                              vec_name, sizeof(vec_name));
1730                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1731
1732                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1733                                         req, desc, tsgl, hashstate);
1734                 if (err)
1735                         goto out;
1736                 cond_resched();
1737         }
1738         err = 0;
1739 out:
1740         kfree(cfg);
1741         kfree(vec.key);
1742         kfree(vec.plaintext);
1743         kfree(vec.digest);
1744         crypto_free_shash(generic_tfm);
1745         kfree_sensitive(generic_desc);
1746         return err;
1747 }
1748 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1749 static int test_hash_vs_generic_impl(const char *generic_driver,
1750                                      unsigned int maxkeysize,
1751                                      struct ahash_request *req,
1752                                      struct shash_desc *desc,
1753                                      struct test_sglist *tsgl,
1754                                      u8 *hashstate)
1755 {
1756         return 0;
1757 }
1758 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1759
1760 static int alloc_shash(const char *driver, u32 type, u32 mask,
1761                        struct crypto_shash **tfm_ret,
1762                        struct shash_desc **desc_ret)
1763 {
1764         struct crypto_shash *tfm;
1765         struct shash_desc *desc;
1766
1767         tfm = crypto_alloc_shash(driver, type, mask);
1768         if (IS_ERR(tfm)) {
1769                 if (PTR_ERR(tfm) == -ENOENT) {
1770                         /*
1771                          * This algorithm is only available through the ahash
1772                          * API, not the shash API, so skip the shash tests.
1773                          */
1774                         return 0;
1775                 }
1776                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1777                        driver, PTR_ERR(tfm));
1778                 return PTR_ERR(tfm);
1779         }
1780
1781         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1782         if (!desc) {
1783                 crypto_free_shash(tfm);
1784                 return -ENOMEM;
1785         }
1786         desc->tfm = tfm;
1787
1788         *tfm_ret = tfm;
1789         *desc_ret = desc;
1790         return 0;
1791 }
1792
1793 static int __alg_test_hash(const struct hash_testvec *vecs,
1794                            unsigned int num_vecs, const char *driver,
1795                            u32 type, u32 mask,
1796                            const char *generic_driver, unsigned int maxkeysize)
1797 {
1798         struct crypto_ahash *atfm = NULL;
1799         struct ahash_request *req = NULL;
1800         struct crypto_shash *stfm = NULL;
1801         struct shash_desc *desc = NULL;
1802         struct test_sglist *tsgl = NULL;
1803         u8 *hashstate = NULL;
1804         unsigned int statesize;
1805         unsigned int i;
1806         int err;
1807
1808         /*
1809          * Always test the ahash API.  This works regardless of whether the
1810          * algorithm is implemented as ahash or shash.
1811          */
1812
1813         atfm = crypto_alloc_ahash(driver, type, mask);
1814         if (IS_ERR(atfm)) {
1815                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1816                        driver, PTR_ERR(atfm));
1817                 return PTR_ERR(atfm);
1818         }
1819         driver = crypto_ahash_driver_name(atfm);
1820
1821         req = ahash_request_alloc(atfm, GFP_KERNEL);
1822         if (!req) {
1823                 pr_err("alg: hash: failed to allocate request for %s\n",
1824                        driver);
1825                 err = -ENOMEM;
1826                 goto out;
1827         }
1828
1829         /*
1830          * If available also test the shash API, to cover corner cases that may
1831          * be missed by testing the ahash API only.
1832          */
1833         err = alloc_shash(driver, type, mask, &stfm, &desc);
1834         if (err)
1835                 goto out;
1836
1837         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1838         if (!tsgl || init_test_sglist(tsgl) != 0) {
1839                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1840                        driver);
1841                 kfree(tsgl);
1842                 tsgl = NULL;
1843                 err = -ENOMEM;
1844                 goto out;
1845         }
1846
1847         statesize = crypto_ahash_statesize(atfm);
1848         if (stfm)
1849                 statesize = max(statesize, crypto_shash_statesize(stfm));
1850         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1851         if (!hashstate) {
1852                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1853                        driver);
1854                 err = -ENOMEM;
1855                 goto out;
1856         }
1857
1858         for (i = 0; i < num_vecs; i++) {
1859                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1860                 if (err)
1861                         goto out;
1862                 cond_resched();
1863         }
1864         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1865                                         desc, tsgl, hashstate);
1866 out:
1867         kfree(hashstate);
1868         if (tsgl) {
1869                 destroy_test_sglist(tsgl);
1870                 kfree(tsgl);
1871         }
1872         kfree(desc);
1873         crypto_free_shash(stfm);
1874         ahash_request_free(req);
1875         crypto_free_ahash(atfm);
1876         return err;
1877 }
1878
1879 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1880                          u32 type, u32 mask)
1881 {
1882         const struct hash_testvec *template = desc->suite.hash.vecs;
1883         unsigned int tcount = desc->suite.hash.count;
1884         unsigned int nr_unkeyed, nr_keyed;
1885         unsigned int maxkeysize = 0;
1886         int err;
1887
1888         /*
1889          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1890          * first, before setting a key on the tfm.  To make this easier, we
1891          * require that the unkeyed test vectors (if any) are listed first.
1892          */
1893
1894         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1895                 if (template[nr_unkeyed].ksize)
1896                         break;
1897         }
1898         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1899                 if (!template[nr_unkeyed + nr_keyed].ksize) {
1900                         pr_err("alg: hash: test vectors for %s out of order, "
1901                                "unkeyed ones must come first\n", desc->alg);
1902                         return -EINVAL;
1903                 }
1904                 maxkeysize = max_t(unsigned int, maxkeysize,
1905                                    template[nr_unkeyed + nr_keyed].ksize);
1906         }
1907
1908         err = 0;
1909         if (nr_unkeyed) {
1910                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1911                                       desc->generic_driver, maxkeysize);
1912                 template += nr_unkeyed;
1913         }
1914
1915         if (!err && nr_keyed)
1916                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1917                                       desc->generic_driver, maxkeysize);
1918
1919         return err;
1920 }
1921
1922 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1923                              const char *vec_name,
1924                              const struct testvec_config *cfg,
1925                              struct aead_request *req,
1926                              struct cipher_test_sglists *tsgls)
1927 {
1928         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1929         const unsigned int alignmask = crypto_aead_alignmask(tfm);
1930         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1931         const unsigned int authsize = vec->clen - vec->plen;
1932         const char *driver = crypto_aead_driver_name(tfm);
1933         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1934         const char *op = enc ? "encryption" : "decryption";
1935         DECLARE_CRYPTO_WAIT(wait);
1936         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1937         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1938                  cfg->iv_offset +
1939                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1940         struct kvec input[2];
1941         int err;
1942
1943         /* Set the key */
1944         if (vec->wk)
1945                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1946         else
1947                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1948
1949         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1950                         cfg, alignmask);
1951         if (err && err != vec->setkey_error) {
1952                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1953                        driver, vec_name, vec->setkey_error, err,
1954                        crypto_aead_get_flags(tfm));
1955                 return err;
1956         }
1957         if (!err && vec->setkey_error) {
1958                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1959                        driver, vec_name, vec->setkey_error);
1960                 return -EINVAL;
1961         }
1962
1963         /* Set the authentication tag size */
1964         err = crypto_aead_setauthsize(tfm, authsize);
1965         if (err && err != vec->setauthsize_error) {
1966                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1967                        driver, vec_name, vec->setauthsize_error, err);
1968                 return err;
1969         }
1970         if (!err && vec->setauthsize_error) {
1971                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1972                        driver, vec_name, vec->setauthsize_error);
1973                 return -EINVAL;
1974         }
1975
1976         if (vec->setkey_error || vec->setauthsize_error)
1977                 return 0;
1978
1979         /* The IV must be copied to a buffer, as the algorithm may modify it */
1980         if (WARN_ON(ivsize > MAX_IVLEN))
1981                 return -EINVAL;
1982         if (vec->iv)
1983                 memcpy(iv, vec->iv, ivsize);
1984         else
1985                 memset(iv, 0, ivsize);
1986
1987         /* Build the src/dst scatterlists */
1988         input[0].iov_base = (void *)vec->assoc;
1989         input[0].iov_len = vec->alen;
1990         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1991         input[1].iov_len = enc ? vec->plen : vec->clen;
1992         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1993                                         vec->alen + (enc ? vec->plen :
1994                                                      vec->clen),
1995                                         vec->alen + (enc ? vec->clen :
1996                                                      vec->plen),
1997                                         input, 2);
1998         if (err) {
1999                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2000                        driver, op, vec_name, cfg->name);
2001                 return err;
2002         }
2003
2004         /* Do the actual encryption or decryption */
2005         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2006         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2007         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2008                                enc ? vec->plen : vec->clen, iv);
2009         aead_request_set_ad(req, vec->alen);
2010         if (cfg->nosimd)
2011                 crypto_disable_simd_for_test();
2012         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2013         if (cfg->nosimd)
2014                 crypto_reenable_simd_for_test();
2015         err = crypto_wait_req(err, &wait);
2016
2017         /* Check that the algorithm didn't overwrite things it shouldn't have */
2018         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2019             req->assoclen != vec->alen ||
2020             req->iv != iv ||
2021             req->src != tsgls->src.sgl_ptr ||
2022             req->dst != tsgls->dst.sgl_ptr ||
2023             crypto_aead_reqtfm(req) != tfm ||
2024             req->base.complete != crypto_req_done ||
2025             req->base.flags != req_flags ||
2026             req->base.data != &wait) {
2027                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2028                        driver, op, vec_name, cfg->name);
2029                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2030                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2031                 if (req->assoclen != vec->alen)
2032                         pr_err("alg: aead: changed 'req->assoclen'\n");
2033                 if (req->iv != iv)
2034                         pr_err("alg: aead: changed 'req->iv'\n");
2035                 if (req->src != tsgls->src.sgl_ptr)
2036                         pr_err("alg: aead: changed 'req->src'\n");
2037                 if (req->dst != tsgls->dst.sgl_ptr)
2038                         pr_err("alg: aead: changed 'req->dst'\n");
2039                 if (crypto_aead_reqtfm(req) != tfm)
2040                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2041                 if (req->base.complete != crypto_req_done)
2042                         pr_err("alg: aead: changed 'req->base.complete'\n");
2043                 if (req->base.flags != req_flags)
2044                         pr_err("alg: aead: changed 'req->base.flags'\n");
2045                 if (req->base.data != &wait)
2046                         pr_err("alg: aead: changed 'req->base.data'\n");
2047                 return -EINVAL;
2048         }
2049         if (is_test_sglist_corrupted(&tsgls->src)) {
2050                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2051                        driver, op, vec_name, cfg->name);
2052                 return -EINVAL;
2053         }
2054         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2055             is_test_sglist_corrupted(&tsgls->dst)) {
2056                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2057                        driver, op, vec_name, cfg->name);
2058                 return -EINVAL;
2059         }
2060
2061         /* Check for unexpected success or failure, or wrong error code */
2062         if ((err == 0 && vec->novrfy) ||
2063             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2064                 char expected_error[32];
2065
2066                 if (vec->novrfy &&
2067                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2068                         sprintf(expected_error, "-EBADMSG or %d",
2069                                 vec->crypt_error);
2070                 else if (vec->novrfy)
2071                         sprintf(expected_error, "-EBADMSG");
2072                 else
2073                         sprintf(expected_error, "%d", vec->crypt_error);
2074                 if (err) {
2075                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2076                                driver, op, vec_name, expected_error, err,
2077                                cfg->name);
2078                         return err;
2079                 }
2080                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2081                        driver, op, vec_name, expected_error, cfg->name);
2082                 return -EINVAL;
2083         }
2084         if (err) /* Expectedly failed. */
2085                 return 0;
2086
2087         /* Check for the correct output (ciphertext or plaintext) */
2088         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2089                                     enc ? vec->clen : vec->plen,
2090                                     vec->alen, enc || !cfg->inplace);
2091         if (err == -EOVERFLOW) {
2092                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2093                        driver, op, vec_name, cfg->name);
2094                 return err;
2095         }
2096         if (err) {
2097                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2098                        driver, op, vec_name, cfg->name);
2099                 return err;
2100         }
2101
2102         return 0;
2103 }
2104
2105 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2106                          unsigned int vec_num, struct aead_request *req,
2107                          struct cipher_test_sglists *tsgls)
2108 {
2109         char vec_name[16];
2110         unsigned int i;
2111         int err;
2112
2113         if (enc && vec->novrfy)
2114                 return 0;
2115
2116         sprintf(vec_name, "%u", vec_num);
2117
2118         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2119                 err = test_aead_vec_cfg(enc, vec, vec_name,
2120                                         &default_cipher_testvec_configs[i],
2121                                         req, tsgls);
2122                 if (err)
2123                         return err;
2124         }
2125
2126 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2127         if (!noextratests) {
2128                 struct testvec_config cfg;
2129                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2130
2131                 for (i = 0; i < fuzz_iterations; i++) {
2132                         generate_random_testvec_config(&cfg, cfgname,
2133                                                        sizeof(cfgname));
2134                         err = test_aead_vec_cfg(enc, vec, vec_name,
2135                                                 &cfg, req, tsgls);
2136                         if (err)
2137                                 return err;
2138                         cond_resched();
2139                 }
2140         }
2141 #endif
2142         return 0;
2143 }
2144
2145 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2146
2147 struct aead_extra_tests_ctx {
2148         struct aead_request *req;
2149         struct crypto_aead *tfm;
2150         const struct alg_test_desc *test_desc;
2151         struct cipher_test_sglists *tsgls;
2152         unsigned int maxdatasize;
2153         unsigned int maxkeysize;
2154
2155         struct aead_testvec vec;
2156         char vec_name[64];
2157         char cfgname[TESTVEC_CONFIG_NAMELEN];
2158         struct testvec_config cfg;
2159 };
2160
2161 /*
2162  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2163  * here means the full ciphertext including the authentication tag.  The
2164  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2165  */
2166 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2167                                 unsigned int ivsize)
2168 {
2169         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2170         const unsigned int authsize = vec->clen - vec->plen;
2171
2172         if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2173                  /* Mutate the AAD */
2174                 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2175                 if (prandom_u32() % 2 == 0)
2176                         return;
2177         }
2178         if (prandom_u32() % 2 == 0) {
2179                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2180                 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2181         } else {
2182                 /* Mutate any part of the ciphertext */
2183                 flip_random_bit((u8 *)vec->ctext, vec->clen);
2184         }
2185 }
2186
2187 /*
2188  * Minimum authentication tag size in bytes at which we assume that we can
2189  * reliably generate inauthentic messages, i.e. not generate an authentic
2190  * message by chance.
2191  */
2192 #define MIN_COLLISION_FREE_AUTHSIZE 8
2193
2194 static void generate_aead_message(struct aead_request *req,
2195                                   const struct aead_test_suite *suite,
2196                                   struct aead_testvec *vec,
2197                                   bool prefer_inauthentic)
2198 {
2199         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2200         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2201         const unsigned int authsize = vec->clen - vec->plen;
2202         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2203                                  (prefer_inauthentic || prandom_u32() % 4 == 0);
2204
2205         /* Generate the AAD. */
2206         generate_random_bytes((u8 *)vec->assoc, vec->alen);
2207         if (suite->aad_iv && vec->alen >= ivsize)
2208                 /* Avoid implementation-defined behavior. */
2209                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2210
2211         if (inauthentic && prandom_u32() % 2 == 0) {
2212                 /* Generate a random ciphertext. */
2213                 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2214         } else {
2215                 int i = 0;
2216                 struct scatterlist src[2], dst;
2217                 u8 iv[MAX_IVLEN];
2218                 DECLARE_CRYPTO_WAIT(wait);
2219
2220                 /* Generate a random plaintext and encrypt it. */
2221                 sg_init_table(src, 2);
2222                 if (vec->alen)
2223                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2224                 if (vec->plen) {
2225                         generate_random_bytes((u8 *)vec->ptext, vec->plen);
2226                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2227                 }
2228                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2229                 memcpy(iv, vec->iv, ivsize);
2230                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2231                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2232                 aead_request_set_ad(req, vec->alen);
2233                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2234                                                    &wait);
2235                 /* If encryption failed, we're done. */
2236                 if (vec->crypt_error != 0)
2237                         return;
2238                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2239                 if (!inauthentic)
2240                         return;
2241                 /*
2242                  * Mutate the authentic (ciphertext, AAD) pair to get an
2243                  * inauthentic one.
2244                  */
2245                 mutate_aead_message(vec, suite->aad_iv, ivsize);
2246         }
2247         vec->novrfy = 1;
2248         if (suite->einval_allowed)
2249                 vec->crypt_error = -EINVAL;
2250 }
2251
2252 /*
2253  * Generate an AEAD test vector 'vec' using the implementation specified by
2254  * 'req'.  The buffers in 'vec' must already be allocated.
2255  *
2256  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2257  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2258  */
2259 static void generate_random_aead_testvec(struct aead_request *req,
2260                                          struct aead_testvec *vec,
2261                                          const struct aead_test_suite *suite,
2262                                          unsigned int maxkeysize,
2263                                          unsigned int maxdatasize,
2264                                          char *name, size_t max_namelen,
2265                                          bool prefer_inauthentic)
2266 {
2267         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2268         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2269         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2270         unsigned int authsize;
2271         unsigned int total_len;
2272
2273         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2274         vec->klen = maxkeysize;
2275         if (prandom_u32() % 4 == 0)
2276                 vec->klen = prandom_u32() % (maxkeysize + 1);
2277         generate_random_bytes((u8 *)vec->key, vec->klen);
2278         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2279
2280         /* IV */
2281         generate_random_bytes((u8 *)vec->iv, ivsize);
2282
2283         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2284         authsize = maxauthsize;
2285         if (prandom_u32() % 4 == 0)
2286                 authsize = prandom_u32() % (maxauthsize + 1);
2287         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2288                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2289         if (WARN_ON(authsize > maxdatasize))
2290                 authsize = maxdatasize;
2291         maxdatasize -= authsize;
2292         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2293
2294         /* AAD, plaintext, and ciphertext lengths */
2295         total_len = generate_random_length(maxdatasize);
2296         if (prandom_u32() % 4 == 0)
2297                 vec->alen = 0;
2298         else
2299                 vec->alen = generate_random_length(total_len);
2300         vec->plen = total_len - vec->alen;
2301         vec->clen = vec->plen + authsize;
2302
2303         /*
2304          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2305          * key or the authentication tag size couldn't be set.
2306          */
2307         vec->novrfy = 0;
2308         vec->crypt_error = 0;
2309         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2310                 generate_aead_message(req, suite, vec, prefer_inauthentic);
2311         snprintf(name, max_namelen,
2312                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2313                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2314 }
2315
2316 static void try_to_generate_inauthentic_testvec(
2317                                         struct aead_extra_tests_ctx *ctx)
2318 {
2319         int i;
2320
2321         for (i = 0; i < 10; i++) {
2322                 generate_random_aead_testvec(ctx->req, &ctx->vec,
2323                                              &ctx->test_desc->suite.aead,
2324                                              ctx->maxkeysize, ctx->maxdatasize,
2325                                              ctx->vec_name,
2326                                              sizeof(ctx->vec_name), true);
2327                 if (ctx->vec.novrfy)
2328                         return;
2329         }
2330 }
2331
2332 /*
2333  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2334  * result of an encryption with the key) and verify that decryption fails.
2335  */
2336 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2337 {
2338         unsigned int i;
2339         int err;
2340
2341         for (i = 0; i < fuzz_iterations * 8; i++) {
2342                 /*
2343                  * Since this part of the tests isn't comparing the
2344                  * implementation to another, there's no point in testing any
2345                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2346                  *
2347                  * If we're having trouble generating such a test vector, e.g.
2348                  * if the algorithm keeps rejecting the generated keys, don't
2349                  * retry forever; just continue on.
2350                  */
2351                 try_to_generate_inauthentic_testvec(ctx);
2352                 if (ctx->vec.novrfy) {
2353                         generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2354                                                        sizeof(ctx->cfgname));
2355                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2356                                                 ctx->vec_name, &ctx->cfg,
2357                                                 ctx->req, ctx->tsgls);
2358                         if (err)
2359                                 return err;
2360                 }
2361                 cond_resched();
2362         }
2363         return 0;
2364 }
2365
2366 /*
2367  * Test the AEAD algorithm against the corresponding generic implementation, if
2368  * one is available.
2369  */
2370 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2371 {
2372         struct crypto_aead *tfm = ctx->tfm;
2373         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2374         const char *driver = crypto_aead_driver_name(tfm);
2375         const char *generic_driver = ctx->test_desc->generic_driver;
2376         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2377         struct crypto_aead *generic_tfm = NULL;
2378         struct aead_request *generic_req = NULL;
2379         unsigned int i;
2380         int err;
2381
2382         if (!generic_driver) { /* Use default naming convention? */
2383                 err = build_generic_driver_name(algname, _generic_driver);
2384                 if (err)
2385                         return err;
2386                 generic_driver = _generic_driver;
2387         }
2388
2389         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2390                 return 0;
2391
2392         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2393         if (IS_ERR(generic_tfm)) {
2394                 err = PTR_ERR(generic_tfm);
2395                 if (err == -ENOENT) {
2396                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2397                                 driver, generic_driver);
2398                         return 0;
2399                 }
2400                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2401                        generic_driver, algname, err);
2402                 return err;
2403         }
2404
2405         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2406         if (!generic_req) {
2407                 err = -ENOMEM;
2408                 goto out;
2409         }
2410
2411         /* Check the algorithm properties for consistency. */
2412
2413         if (crypto_aead_maxauthsize(tfm) !=
2414             crypto_aead_maxauthsize(generic_tfm)) {
2415                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2416                        driver, crypto_aead_maxauthsize(tfm),
2417                        crypto_aead_maxauthsize(generic_tfm));
2418                 err = -EINVAL;
2419                 goto out;
2420         }
2421
2422         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2423                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2424                        driver, crypto_aead_ivsize(tfm),
2425                        crypto_aead_ivsize(generic_tfm));
2426                 err = -EINVAL;
2427                 goto out;
2428         }
2429
2430         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2431                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2432                        driver, crypto_aead_blocksize(tfm),
2433                        crypto_aead_blocksize(generic_tfm));
2434                 err = -EINVAL;
2435                 goto out;
2436         }
2437
2438         /*
2439          * Now generate test vectors using the generic implementation, and test
2440          * the other implementation against them.
2441          */
2442         for (i = 0; i < fuzz_iterations * 8; i++) {
2443                 generate_random_aead_testvec(generic_req, &ctx->vec,
2444                                              &ctx->test_desc->suite.aead,
2445                                              ctx->maxkeysize, ctx->maxdatasize,
2446                                              ctx->vec_name,
2447                                              sizeof(ctx->vec_name), false);
2448                 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2449                                                sizeof(ctx->cfgname));
2450                 if (!ctx->vec.novrfy) {
2451                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2452                                                 ctx->vec_name, &ctx->cfg,
2453                                                 ctx->req, ctx->tsgls);
2454                         if (err)
2455                                 goto out;
2456                 }
2457                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2458                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2459                                                 ctx->vec_name, &ctx->cfg,
2460                                                 ctx->req, ctx->tsgls);
2461                         if (err)
2462                                 goto out;
2463                 }
2464                 cond_resched();
2465         }
2466         err = 0;
2467 out:
2468         crypto_free_aead(generic_tfm);
2469         aead_request_free(generic_req);
2470         return err;
2471 }
2472
2473 static int test_aead_extra(const struct alg_test_desc *test_desc,
2474                            struct aead_request *req,
2475                            struct cipher_test_sglists *tsgls)
2476 {
2477         struct aead_extra_tests_ctx *ctx;
2478         unsigned int i;
2479         int err;
2480
2481         if (noextratests)
2482                 return 0;
2483
2484         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2485         if (!ctx)
2486                 return -ENOMEM;
2487         ctx->req = req;
2488         ctx->tfm = crypto_aead_reqtfm(req);
2489         ctx->test_desc = test_desc;
2490         ctx->tsgls = tsgls;
2491         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2492         ctx->maxkeysize = 0;
2493         for (i = 0; i < test_desc->suite.aead.count; i++)
2494                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2495                                         test_desc->suite.aead.vecs[i].klen);
2496
2497         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2498         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2499         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2500         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2501         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2502         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2503             !ctx->vec.ptext || !ctx->vec.ctext) {
2504                 err = -ENOMEM;
2505                 goto out;
2506         }
2507
2508         err = test_aead_vs_generic_impl(ctx);
2509         if (err)
2510                 goto out;
2511
2512         err = test_aead_inauthentic_inputs(ctx);
2513 out:
2514         kfree(ctx->vec.key);
2515         kfree(ctx->vec.iv);
2516         kfree(ctx->vec.assoc);
2517         kfree(ctx->vec.ptext);
2518         kfree(ctx->vec.ctext);
2519         kfree(ctx);
2520         return err;
2521 }
2522 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2523 static int test_aead_extra(const struct alg_test_desc *test_desc,
2524                            struct aead_request *req,
2525                            struct cipher_test_sglists *tsgls)
2526 {
2527         return 0;
2528 }
2529 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2530
2531 static int test_aead(int enc, const struct aead_test_suite *suite,
2532                      struct aead_request *req,
2533                      struct cipher_test_sglists *tsgls)
2534 {
2535         unsigned int i;
2536         int err;
2537
2538         for (i = 0; i < suite->count; i++) {
2539                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2540                 if (err)
2541                         return err;
2542                 cond_resched();
2543         }
2544         return 0;
2545 }
2546
2547 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2548                          u32 type, u32 mask)
2549 {
2550         const struct aead_test_suite *suite = &desc->suite.aead;
2551         struct crypto_aead *tfm;
2552         struct aead_request *req = NULL;
2553         struct cipher_test_sglists *tsgls = NULL;
2554         int err;
2555
2556         if (suite->count <= 0) {
2557                 pr_err("alg: aead: empty test suite for %s\n", driver);
2558                 return -EINVAL;
2559         }
2560
2561         tfm = crypto_alloc_aead(driver, type, mask);
2562         if (IS_ERR(tfm)) {
2563                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2564                        driver, PTR_ERR(tfm));
2565                 return PTR_ERR(tfm);
2566         }
2567         driver = crypto_aead_driver_name(tfm);
2568
2569         req = aead_request_alloc(tfm, GFP_KERNEL);
2570         if (!req) {
2571                 pr_err("alg: aead: failed to allocate request for %s\n",
2572                        driver);
2573                 err = -ENOMEM;
2574                 goto out;
2575         }
2576
2577         tsgls = alloc_cipher_test_sglists();
2578         if (!tsgls) {
2579                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2580                        driver);
2581                 err = -ENOMEM;
2582                 goto out;
2583         }
2584
2585         err = test_aead(ENCRYPT, suite, req, tsgls);
2586         if (err)
2587                 goto out;
2588
2589         err = test_aead(DECRYPT, suite, req, tsgls);
2590         if (err)
2591                 goto out;
2592
2593         err = test_aead_extra(desc, req, tsgls);
2594 out:
2595         free_cipher_test_sglists(tsgls);
2596         aead_request_free(req);
2597         crypto_free_aead(tfm);
2598         return err;
2599 }
2600
2601 static int test_cipher(struct crypto_cipher *tfm, int enc,
2602                        const struct cipher_testvec *template,
2603                        unsigned int tcount)
2604 {
2605         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2606         unsigned int i, j, k;
2607         char *q;
2608         const char *e;
2609         const char *input, *result;
2610         void *data;
2611         char *xbuf[XBUFSIZE];
2612         int ret = -ENOMEM;
2613
2614         if (testmgr_alloc_buf(xbuf))
2615                 goto out_nobuf;
2616
2617         if (enc == ENCRYPT)
2618                 e = "encryption";
2619         else
2620                 e = "decryption";
2621
2622         j = 0;
2623         for (i = 0; i < tcount; i++) {
2624
2625                 if (fips_enabled && template[i].fips_skip)
2626                         continue;
2627
2628                 input  = enc ? template[i].ptext : template[i].ctext;
2629                 result = enc ? template[i].ctext : template[i].ptext;
2630                 j++;
2631
2632                 ret = -EINVAL;
2633                 if (WARN_ON(template[i].len > PAGE_SIZE))
2634                         goto out;
2635
2636                 data = xbuf[0];
2637                 memcpy(data, input, template[i].len);
2638
2639                 crypto_cipher_clear_flags(tfm, ~0);
2640                 if (template[i].wk)
2641                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2642
2643                 ret = crypto_cipher_setkey(tfm, template[i].key,
2644                                            template[i].klen);
2645                 if (ret) {
2646                         if (ret == template[i].setkey_error)
2647                                 continue;
2648                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2649                                algo, j, template[i].setkey_error, ret,
2650                                crypto_cipher_get_flags(tfm));
2651                         goto out;
2652                 }
2653                 if (template[i].setkey_error) {
2654                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2655                                algo, j, template[i].setkey_error);
2656                         ret = -EINVAL;
2657                         goto out;
2658                 }
2659
2660                 for (k = 0; k < template[i].len;
2661                      k += crypto_cipher_blocksize(tfm)) {
2662                         if (enc)
2663                                 crypto_cipher_encrypt_one(tfm, data + k,
2664                                                           data + k);
2665                         else
2666                                 crypto_cipher_decrypt_one(tfm, data + k,
2667                                                           data + k);
2668                 }
2669
2670                 q = data;
2671                 if (memcmp(q, result, template[i].len)) {
2672                         printk(KERN_ERR "alg: cipher: Test %d failed "
2673                                "on %s for %s\n", j, e, algo);
2674                         hexdump(q, template[i].len);
2675                         ret = -EINVAL;
2676                         goto out;
2677                 }
2678         }
2679
2680         ret = 0;
2681
2682 out:
2683         testmgr_free_buf(xbuf);
2684 out_nobuf:
2685         return ret;
2686 }
2687
2688 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2689                                  const char *vec_name,
2690                                  const struct testvec_config *cfg,
2691                                  struct skcipher_request *req,
2692                                  struct cipher_test_sglists *tsgls)
2693 {
2694         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2695         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2696         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2697         const char *driver = crypto_skcipher_driver_name(tfm);
2698         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2699         const char *op = enc ? "encryption" : "decryption";
2700         DECLARE_CRYPTO_WAIT(wait);
2701         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2702         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2703                  cfg->iv_offset +
2704                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2705         struct kvec input;
2706         int err;
2707
2708         /* Set the key */
2709         if (vec->wk)
2710                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2711         else
2712                 crypto_skcipher_clear_flags(tfm,
2713                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2714         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2715                         cfg, alignmask);
2716         if (err) {
2717                 if (err == vec->setkey_error)
2718                         return 0;
2719                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2720                        driver, vec_name, vec->setkey_error, err,
2721                        crypto_skcipher_get_flags(tfm));
2722                 return err;
2723         }
2724         if (vec->setkey_error) {
2725                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2726                        driver, vec_name, vec->setkey_error);
2727                 return -EINVAL;
2728         }
2729
2730         /* The IV must be copied to a buffer, as the algorithm may modify it */
2731         if (ivsize) {
2732                 if (WARN_ON(ivsize > MAX_IVLEN))
2733                         return -EINVAL;
2734                 if (vec->generates_iv && !enc)
2735                         memcpy(iv, vec->iv_out, ivsize);
2736                 else if (vec->iv)
2737                         memcpy(iv, vec->iv, ivsize);
2738                 else
2739                         memset(iv, 0, ivsize);
2740         } else {
2741                 if (vec->generates_iv) {
2742                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2743                                driver, vec_name);
2744                         return -EINVAL;
2745                 }
2746                 iv = NULL;
2747         }
2748
2749         /* Build the src/dst scatterlists */
2750         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2751         input.iov_len = vec->len;
2752         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2753                                         vec->len, vec->len, &input, 1);
2754         if (err) {
2755                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2756                        driver, op, vec_name, cfg->name);
2757                 return err;
2758         }
2759
2760         /* Do the actual encryption or decryption */
2761         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2762         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2763         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2764                                    vec->len, iv);
2765         if (cfg->nosimd)
2766                 crypto_disable_simd_for_test();
2767         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2768         if (cfg->nosimd)
2769                 crypto_reenable_simd_for_test();
2770         err = crypto_wait_req(err, &wait);
2771
2772         /* Check that the algorithm didn't overwrite things it shouldn't have */
2773         if (req->cryptlen != vec->len ||
2774             req->iv != iv ||
2775             req->src != tsgls->src.sgl_ptr ||
2776             req->dst != tsgls->dst.sgl_ptr ||
2777             crypto_skcipher_reqtfm(req) != tfm ||
2778             req->base.complete != crypto_req_done ||
2779             req->base.flags != req_flags ||
2780             req->base.data != &wait) {
2781                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2782                        driver, op, vec_name, cfg->name);
2783                 if (req->cryptlen != vec->len)
2784                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2785                 if (req->iv != iv)
2786                         pr_err("alg: skcipher: changed 'req->iv'\n");
2787                 if (req->src != tsgls->src.sgl_ptr)
2788                         pr_err("alg: skcipher: changed 'req->src'\n");
2789                 if (req->dst != tsgls->dst.sgl_ptr)
2790                         pr_err("alg: skcipher: changed 'req->dst'\n");
2791                 if (crypto_skcipher_reqtfm(req) != tfm)
2792                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2793                 if (req->base.complete != crypto_req_done)
2794                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2795                 if (req->base.flags != req_flags)
2796                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2797                 if (req->base.data != &wait)
2798                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2799                 return -EINVAL;
2800         }
2801         if (is_test_sglist_corrupted(&tsgls->src)) {
2802                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2803                        driver, op, vec_name, cfg->name);
2804                 return -EINVAL;
2805         }
2806         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2807             is_test_sglist_corrupted(&tsgls->dst)) {
2808                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2809                        driver, op, vec_name, cfg->name);
2810                 return -EINVAL;
2811         }
2812
2813         /* Check for success or failure */
2814         if (err) {
2815                 if (err == vec->crypt_error)
2816                         return 0;
2817                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2818                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2819                 return err;
2820         }
2821         if (vec->crypt_error) {
2822                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2823                        driver, op, vec_name, vec->crypt_error, cfg->name);
2824                 return -EINVAL;
2825         }
2826
2827         /* Check for the correct output (ciphertext or plaintext) */
2828         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2829                                     vec->len, 0, true);
2830         if (err == -EOVERFLOW) {
2831                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2832                        driver, op, vec_name, cfg->name);
2833                 return err;
2834         }
2835         if (err) {
2836                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2837                        driver, op, vec_name, cfg->name);
2838                 return err;
2839         }
2840
2841         /* If applicable, check that the algorithm generated the correct IV */
2842         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2843                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2844                        driver, op, vec_name, cfg->name);
2845                 hexdump(iv, ivsize);
2846                 return -EINVAL;
2847         }
2848
2849         return 0;
2850 }
2851
2852 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2853                              unsigned int vec_num,
2854                              struct skcipher_request *req,
2855                              struct cipher_test_sglists *tsgls)
2856 {
2857         char vec_name[16];
2858         unsigned int i;
2859         int err;
2860
2861         if (fips_enabled && vec->fips_skip)
2862                 return 0;
2863
2864         sprintf(vec_name, "%u", vec_num);
2865
2866         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2867                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2868                                             &default_cipher_testvec_configs[i],
2869                                             req, tsgls);
2870                 if (err)
2871                         return err;
2872         }
2873
2874 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2875         if (!noextratests) {
2876                 struct testvec_config cfg;
2877                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2878
2879                 for (i = 0; i < fuzz_iterations; i++) {
2880                         generate_random_testvec_config(&cfg, cfgname,
2881                                                        sizeof(cfgname));
2882                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
2883                                                     &cfg, req, tsgls);
2884                         if (err)
2885                                 return err;
2886                         cond_resched();
2887                 }
2888         }
2889 #endif
2890         return 0;
2891 }
2892
2893 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2894 /*
2895  * Generate a symmetric cipher test vector from the given implementation.
2896  * Assumes the buffers in 'vec' were already allocated.
2897  */
2898 static void generate_random_cipher_testvec(struct skcipher_request *req,
2899                                            struct cipher_testvec *vec,
2900                                            unsigned int maxdatasize,
2901                                            char *name, size_t max_namelen)
2902 {
2903         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2904         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2905         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2906         struct scatterlist src, dst;
2907         u8 iv[MAX_IVLEN];
2908         DECLARE_CRYPTO_WAIT(wait);
2909
2910         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2911         vec->klen = maxkeysize;
2912         if (prandom_u32() % 4 == 0)
2913                 vec->klen = prandom_u32() % (maxkeysize + 1);
2914         generate_random_bytes((u8 *)vec->key, vec->klen);
2915         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2916
2917         /* IV */
2918         generate_random_bytes((u8 *)vec->iv, ivsize);
2919
2920         /* Plaintext */
2921         vec->len = generate_random_length(maxdatasize);
2922         generate_random_bytes((u8 *)vec->ptext, vec->len);
2923
2924         /* If the key couldn't be set, no need to continue to encrypt. */
2925         if (vec->setkey_error)
2926                 goto done;
2927
2928         /* Ciphertext */
2929         sg_init_one(&src, vec->ptext, vec->len);
2930         sg_init_one(&dst, vec->ctext, vec->len);
2931         memcpy(iv, vec->iv, ivsize);
2932         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2933         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2934         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2935         if (vec->crypt_error != 0) {
2936                 /*
2937                  * The only acceptable error here is for an invalid length, so
2938                  * skcipher decryption should fail with the same error too.
2939                  * We'll test for this.  But to keep the API usage well-defined,
2940                  * explicitly initialize the ciphertext buffer too.
2941                  */
2942                 memset((u8 *)vec->ctext, 0, vec->len);
2943         }
2944 done:
2945         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2946                  vec->len, vec->klen);
2947 }
2948
2949 /*
2950  * Test the skcipher algorithm represented by @req against the corresponding
2951  * generic implementation, if one is available.
2952  */
2953 static int test_skcipher_vs_generic_impl(const char *generic_driver,
2954                                          struct skcipher_request *req,
2955                                          struct cipher_test_sglists *tsgls)
2956 {
2957         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2958         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2959         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2960         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2961         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2962         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2963         const char *driver = crypto_skcipher_driver_name(tfm);
2964         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2965         struct crypto_skcipher *generic_tfm = NULL;
2966         struct skcipher_request *generic_req = NULL;
2967         unsigned int i;
2968         struct cipher_testvec vec = { 0 };
2969         char vec_name[64];
2970         struct testvec_config *cfg;
2971         char cfgname[TESTVEC_CONFIG_NAMELEN];
2972         int err;
2973
2974         if (noextratests)
2975                 return 0;
2976
2977         /* Keywrap isn't supported here yet as it handles its IV differently. */
2978         if (strncmp(algname, "kw(", 3) == 0)
2979                 return 0;
2980
2981         if (!generic_driver) { /* Use default naming convention? */
2982                 err = build_generic_driver_name(algname, _generic_driver);
2983                 if (err)
2984                         return err;
2985                 generic_driver = _generic_driver;
2986         }
2987
2988         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2989                 return 0;
2990
2991         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
2992         if (IS_ERR(generic_tfm)) {
2993                 err = PTR_ERR(generic_tfm);
2994                 if (err == -ENOENT) {
2995                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
2996                                 driver, generic_driver);
2997                         return 0;
2998                 }
2999                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3000                        generic_driver, algname, err);
3001                 return err;
3002         }
3003
3004         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3005         if (!cfg) {
3006                 err = -ENOMEM;
3007                 goto out;
3008         }
3009
3010         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3011         if (!generic_req) {
3012                 err = -ENOMEM;
3013                 goto out;
3014         }
3015
3016         /* Check the algorithm properties for consistency. */
3017
3018         if (crypto_skcipher_min_keysize(tfm) !=
3019             crypto_skcipher_min_keysize(generic_tfm)) {
3020                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3021                        driver, crypto_skcipher_min_keysize(tfm),
3022                        crypto_skcipher_min_keysize(generic_tfm));
3023                 err = -EINVAL;
3024                 goto out;
3025         }
3026
3027         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3028                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3029                        driver, maxkeysize,
3030                        crypto_skcipher_max_keysize(generic_tfm));
3031                 err = -EINVAL;
3032                 goto out;
3033         }
3034
3035         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3036                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3037                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3038                 err = -EINVAL;
3039                 goto out;
3040         }
3041
3042         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3043                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3044                        driver, blocksize,
3045                        crypto_skcipher_blocksize(generic_tfm));
3046                 err = -EINVAL;
3047                 goto out;
3048         }
3049
3050         /*
3051          * Now generate test vectors using the generic implementation, and test
3052          * the other implementation against them.
3053          */
3054
3055         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3056         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3057         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3058         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3059         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3060                 err = -ENOMEM;
3061                 goto out;
3062         }
3063
3064         for (i = 0; i < fuzz_iterations * 8; i++) {
3065                 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3066                                                vec_name, sizeof(vec_name));
3067                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3068
3069                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3070                                             cfg, req, tsgls);
3071                 if (err)
3072                         goto out;
3073                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3074                                             cfg, req, tsgls);
3075                 if (err)
3076                         goto out;
3077                 cond_resched();
3078         }
3079         err = 0;
3080 out:
3081         kfree(cfg);
3082         kfree(vec.key);
3083         kfree(vec.iv);
3084         kfree(vec.ptext);
3085         kfree(vec.ctext);
3086         crypto_free_skcipher(generic_tfm);
3087         skcipher_request_free(generic_req);
3088         return err;
3089 }
3090 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3091 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3092                                          struct skcipher_request *req,
3093                                          struct cipher_test_sglists *tsgls)
3094 {
3095         return 0;
3096 }
3097 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3098
3099 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3100                          struct skcipher_request *req,
3101                          struct cipher_test_sglists *tsgls)
3102 {
3103         unsigned int i;
3104         int err;
3105
3106         for (i = 0; i < suite->count; i++) {
3107                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3108                 if (err)
3109                         return err;
3110                 cond_resched();
3111         }
3112         return 0;
3113 }
3114
3115 static int alg_test_skcipher(const struct alg_test_desc *desc,
3116                              const char *driver, u32 type, u32 mask)
3117 {
3118         const struct cipher_test_suite *suite = &desc->suite.cipher;
3119         struct crypto_skcipher *tfm;
3120         struct skcipher_request *req = NULL;
3121         struct cipher_test_sglists *tsgls = NULL;
3122         int err;
3123
3124         if (suite->count <= 0) {
3125                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3126                 return -EINVAL;
3127         }
3128
3129         tfm = crypto_alloc_skcipher(driver, type, mask);
3130         if (IS_ERR(tfm)) {
3131                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3132                        driver, PTR_ERR(tfm));
3133                 return PTR_ERR(tfm);
3134         }
3135         driver = crypto_skcipher_driver_name(tfm);
3136
3137         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3138         if (!req) {
3139                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3140                        driver);
3141                 err = -ENOMEM;
3142                 goto out;
3143         }
3144
3145         tsgls = alloc_cipher_test_sglists();
3146         if (!tsgls) {
3147                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3148                        driver);
3149                 err = -ENOMEM;
3150                 goto out;
3151         }
3152
3153         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3154         if (err)
3155                 goto out;
3156
3157         err = test_skcipher(DECRYPT, suite, req, tsgls);
3158         if (err)
3159                 goto out;
3160
3161         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3162 out:
3163         free_cipher_test_sglists(tsgls);
3164         skcipher_request_free(req);
3165         crypto_free_skcipher(tfm);
3166         return err;
3167 }
3168
3169 static int test_comp(struct crypto_comp *tfm,
3170                      const struct comp_testvec *ctemplate,
3171                      const struct comp_testvec *dtemplate,
3172                      int ctcount, int dtcount)
3173 {
3174         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3175         char *output, *decomp_output;
3176         unsigned int i;
3177         int ret;
3178
3179         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3180         if (!output)
3181                 return -ENOMEM;
3182
3183         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3184         if (!decomp_output) {
3185                 kfree(output);
3186                 return -ENOMEM;
3187         }
3188
3189         for (i = 0; i < ctcount; i++) {
3190                 int ilen;
3191                 unsigned int dlen = COMP_BUF_SIZE;
3192
3193                 memset(output, 0, COMP_BUF_SIZE);
3194                 memset(decomp_output, 0, COMP_BUF_SIZE);
3195
3196                 ilen = ctemplate[i].inlen;
3197                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3198                                            ilen, output, &dlen);
3199                 if (ret) {
3200                         printk(KERN_ERR "alg: comp: compression failed "
3201                                "on test %d for %s: ret=%d\n", i + 1, algo,
3202                                -ret);
3203                         goto out;
3204                 }
3205
3206                 ilen = dlen;
3207                 dlen = COMP_BUF_SIZE;
3208                 ret = crypto_comp_decompress(tfm, output,
3209                                              ilen, decomp_output, &dlen);
3210                 if (ret) {
3211                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3212                                i + 1, algo, -ret);
3213                         goto out;
3214                 }
3215
3216                 if (dlen != ctemplate[i].inlen) {
3217                         printk(KERN_ERR "alg: comp: Compression test %d "
3218                                "failed for %s: output len = %d\n", i + 1, algo,
3219                                dlen);
3220                         ret = -EINVAL;
3221                         goto out;
3222                 }
3223
3224                 if (memcmp(decomp_output, ctemplate[i].input,
3225                            ctemplate[i].inlen)) {
3226                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3227                                i + 1, algo);
3228                         hexdump(decomp_output, dlen);
3229                         ret = -EINVAL;
3230                         goto out;
3231                 }
3232         }
3233
3234         for (i = 0; i < dtcount; i++) {
3235                 int ilen;
3236                 unsigned int dlen = COMP_BUF_SIZE;
3237
3238                 memset(decomp_output, 0, COMP_BUF_SIZE);
3239
3240                 ilen = dtemplate[i].inlen;
3241                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3242                                              ilen, decomp_output, &dlen);
3243                 if (ret) {
3244                         printk(KERN_ERR "alg: comp: decompression failed "
3245                                "on test %d for %s: ret=%d\n", i + 1, algo,
3246                                -ret);
3247                         goto out;
3248                 }
3249
3250                 if (dlen != dtemplate[i].outlen) {
3251                         printk(KERN_ERR "alg: comp: Decompression test %d "
3252                                "failed for %s: output len = %d\n", i + 1, algo,
3253                                dlen);
3254                         ret = -EINVAL;
3255                         goto out;
3256                 }
3257
3258                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3259                         printk(KERN_ERR "alg: comp: Decompression test %d "
3260                                "failed for %s\n", i + 1, algo);
3261                         hexdump(decomp_output, dlen);
3262                         ret = -EINVAL;
3263                         goto out;
3264                 }
3265         }
3266
3267         ret = 0;
3268
3269 out:
3270         kfree(decomp_output);
3271         kfree(output);
3272         return ret;
3273 }
3274
3275 static int test_acomp(struct crypto_acomp *tfm,
3276                               const struct comp_testvec *ctemplate,
3277                       const struct comp_testvec *dtemplate,
3278                       int ctcount, int dtcount)
3279 {
3280         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3281         unsigned int i;
3282         char *output, *decomp_out;
3283         int ret;
3284         struct scatterlist src, dst;
3285         struct acomp_req *req;
3286         struct crypto_wait wait;
3287
3288         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3289         if (!output)
3290                 return -ENOMEM;
3291
3292         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3293         if (!decomp_out) {
3294                 kfree(output);
3295                 return -ENOMEM;
3296         }
3297
3298         for (i = 0; i < ctcount; i++) {
3299                 unsigned int dlen = COMP_BUF_SIZE;
3300                 int ilen = ctemplate[i].inlen;
3301                 void *input_vec;
3302
3303                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3304                 if (!input_vec) {
3305                         ret = -ENOMEM;
3306                         goto out;
3307                 }
3308
3309                 memset(output, 0, dlen);
3310                 crypto_init_wait(&wait);
3311                 sg_init_one(&src, input_vec, ilen);
3312                 sg_init_one(&dst, output, dlen);
3313
3314                 req = acomp_request_alloc(tfm);
3315                 if (!req) {
3316                         pr_err("alg: acomp: request alloc failed for %s\n",
3317                                algo);
3318                         kfree(input_vec);
3319                         ret = -ENOMEM;
3320                         goto out;
3321                 }
3322
3323                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3324                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3325                                            crypto_req_done, &wait);
3326
3327                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3328                 if (ret) {
3329                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3330                                i + 1, algo, -ret);
3331                         kfree(input_vec);
3332                         acomp_request_free(req);
3333                         goto out;
3334                 }
3335
3336                 ilen = req->dlen;
3337                 dlen = COMP_BUF_SIZE;
3338                 sg_init_one(&src, output, ilen);
3339                 sg_init_one(&dst, decomp_out, dlen);
3340                 crypto_init_wait(&wait);
3341                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3342
3343                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3344                 if (ret) {
3345                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3346                                i + 1, algo, -ret);
3347                         kfree(input_vec);
3348                         acomp_request_free(req);
3349                         goto out;
3350                 }
3351
3352                 if (req->dlen != ctemplate[i].inlen) {
3353                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3354                                i + 1, algo, req->dlen);
3355                         ret = -EINVAL;
3356                         kfree(input_vec);
3357                         acomp_request_free(req);
3358                         goto out;
3359                 }
3360
3361                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3362                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3363                                i + 1, algo);
3364                         hexdump(output, req->dlen);
3365                         ret = -EINVAL;
3366                         kfree(input_vec);
3367                         acomp_request_free(req);
3368                         goto out;
3369                 }
3370
3371                 kfree(input_vec);
3372                 acomp_request_free(req);
3373         }
3374
3375         for (i = 0; i < dtcount; i++) {
3376                 unsigned int dlen = COMP_BUF_SIZE;
3377                 int ilen = dtemplate[i].inlen;
3378                 void *input_vec;
3379
3380                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3381                 if (!input_vec) {
3382                         ret = -ENOMEM;
3383                         goto out;
3384                 }
3385
3386                 memset(output, 0, dlen);
3387                 crypto_init_wait(&wait);
3388                 sg_init_one(&src, input_vec, ilen);
3389                 sg_init_one(&dst, output, dlen);
3390
3391                 req = acomp_request_alloc(tfm);
3392                 if (!req) {
3393                         pr_err("alg: acomp: request alloc failed for %s\n",
3394                                algo);
3395                         kfree(input_vec);
3396                         ret = -ENOMEM;
3397                         goto out;
3398                 }
3399
3400                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3401                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3402                                            crypto_req_done, &wait);
3403
3404                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3405                 if (ret) {
3406                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3407                                i + 1, algo, -ret);
3408                         kfree(input_vec);
3409                         acomp_request_free(req);
3410                         goto out;
3411                 }
3412
3413                 if (req->dlen != dtemplate[i].outlen) {
3414                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3415                                i + 1, algo, req->dlen);
3416                         ret = -EINVAL;
3417                         kfree(input_vec);
3418                         acomp_request_free(req);
3419                         goto out;
3420                 }
3421
3422                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3423                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3424                                i + 1, algo);
3425                         hexdump(output, req->dlen);
3426                         ret = -EINVAL;
3427                         kfree(input_vec);
3428                         acomp_request_free(req);
3429                         goto out;
3430                 }
3431
3432                 kfree(input_vec);
3433                 acomp_request_free(req);
3434         }
3435
3436         ret = 0;
3437
3438 out:
3439         kfree(decomp_out);
3440         kfree(output);
3441         return ret;
3442 }
3443
3444 static int test_cprng(struct crypto_rng *tfm,
3445                       const struct cprng_testvec *template,
3446                       unsigned int tcount)
3447 {
3448         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3449         int err = 0, i, j, seedsize;
3450         u8 *seed;
3451         char result[32];
3452
3453         seedsize = crypto_rng_seedsize(tfm);
3454
3455         seed = kmalloc(seedsize, GFP_KERNEL);
3456         if (!seed) {
3457                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3458                        "for %s\n", algo);
3459                 return -ENOMEM;
3460         }
3461
3462         for (i = 0; i < tcount; i++) {
3463                 memset(result, 0, 32);
3464
3465                 memcpy(seed, template[i].v, template[i].vlen);
3466                 memcpy(seed + template[i].vlen, template[i].key,
3467                        template[i].klen);
3468                 memcpy(seed + template[i].vlen + template[i].klen,
3469                        template[i].dt, template[i].dtlen);
3470
3471                 err = crypto_rng_reset(tfm, seed, seedsize);
3472                 if (err) {
3473                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3474                                "for %s\n", algo);
3475                         goto out;
3476                 }
3477
3478                 for (j = 0; j < template[i].loops; j++) {
3479                         err = crypto_rng_get_bytes(tfm, result,
3480                                                    template[i].rlen);
3481                         if (err < 0) {
3482                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3483                                        "the correct amount of random data for "
3484                                        "%s (requested %d)\n", algo,
3485                                        template[i].rlen);
3486                                 goto out;
3487                         }
3488                 }
3489
3490                 err = memcmp(result, template[i].result,
3491                              template[i].rlen);
3492                 if (err) {
3493                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3494                                i, algo);
3495                         hexdump(result, template[i].rlen);
3496                         err = -EINVAL;
3497                         goto out;
3498                 }
3499         }
3500
3501 out:
3502         kfree(seed);
3503         return err;
3504 }
3505
3506 static int alg_test_cipher(const struct alg_test_desc *desc,
3507                            const char *driver, u32 type, u32 mask)
3508 {
3509         const struct cipher_test_suite *suite = &desc->suite.cipher;
3510         struct crypto_cipher *tfm;
3511         int err;
3512
3513         tfm = crypto_alloc_cipher(driver, type, mask);
3514         if (IS_ERR(tfm)) {
3515                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3516                        "%s: %ld\n", driver, PTR_ERR(tfm));
3517                 return PTR_ERR(tfm);
3518         }
3519
3520         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3521         if (!err)
3522                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3523
3524         crypto_free_cipher(tfm);
3525         return err;
3526 }
3527
3528 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3529                          u32 type, u32 mask)
3530 {
3531         struct crypto_comp *comp;
3532         struct crypto_acomp *acomp;
3533         int err;
3534         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3535
3536         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3537                 acomp = crypto_alloc_acomp(driver, type, mask);
3538                 if (IS_ERR(acomp)) {
3539                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3540                                driver, PTR_ERR(acomp));
3541                         return PTR_ERR(acomp);
3542                 }
3543                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3544                                  desc->suite.comp.decomp.vecs,
3545                                  desc->suite.comp.comp.count,
3546                                  desc->suite.comp.decomp.count);
3547                 crypto_free_acomp(acomp);
3548         } else {
3549                 comp = crypto_alloc_comp(driver, type, mask);
3550                 if (IS_ERR(comp)) {
3551                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3552                                driver, PTR_ERR(comp));
3553                         return PTR_ERR(comp);
3554                 }
3555
3556                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3557                                 desc->suite.comp.decomp.vecs,
3558                                 desc->suite.comp.comp.count,
3559                                 desc->suite.comp.decomp.count);
3560
3561                 crypto_free_comp(comp);
3562         }
3563         return err;
3564 }
3565
3566 static int alg_test_crc32c(const struct alg_test_desc *desc,
3567                            const char *driver, u32 type, u32 mask)
3568 {
3569         struct crypto_shash *tfm;
3570         __le32 val;
3571         int err;
3572
3573         err = alg_test_hash(desc, driver, type, mask);
3574         if (err)
3575                 return err;
3576
3577         tfm = crypto_alloc_shash(driver, type, mask);
3578         if (IS_ERR(tfm)) {
3579                 if (PTR_ERR(tfm) == -ENOENT) {
3580                         /*
3581                          * This crc32c implementation is only available through
3582                          * ahash API, not the shash API, so the remaining part
3583                          * of the test is not applicable to it.
3584                          */
3585                         return 0;
3586                 }
3587                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3588                        "%ld\n", driver, PTR_ERR(tfm));
3589                 return PTR_ERR(tfm);
3590         }
3591         driver = crypto_shash_driver_name(tfm);
3592
3593         do {
3594                 SHASH_DESC_ON_STACK(shash, tfm);
3595                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3596
3597                 shash->tfm = tfm;
3598
3599                 *ctx = 420553207;
3600                 err = crypto_shash_final(shash, (u8 *)&val);
3601                 if (err) {
3602                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3603                                "%s: %d\n", driver, err);
3604                         break;
3605                 }
3606
3607                 if (val != cpu_to_le32(~420553207)) {
3608                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3609                                driver, le32_to_cpu(val));
3610                         err = -EINVAL;
3611                 }
3612         } while (0);
3613
3614         crypto_free_shash(tfm);
3615
3616         return err;
3617 }
3618
3619 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3620                           u32 type, u32 mask)
3621 {
3622         struct crypto_rng *rng;
3623         int err;
3624
3625         rng = crypto_alloc_rng(driver, type, mask);
3626         if (IS_ERR(rng)) {
3627                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3628                        "%ld\n", driver, PTR_ERR(rng));
3629                 return PTR_ERR(rng);
3630         }
3631
3632         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3633
3634         crypto_free_rng(rng);
3635
3636         return err;
3637 }
3638
3639
3640 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3641                           const char *driver, u32 type, u32 mask)
3642 {
3643         int ret = -EAGAIN;
3644         struct crypto_rng *drng;
3645         struct drbg_test_data test_data;
3646         struct drbg_string addtl, pers, testentropy;
3647         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3648
3649         if (!buf)
3650                 return -ENOMEM;
3651
3652         drng = crypto_alloc_rng(driver, type, mask);
3653         if (IS_ERR(drng)) {
3654                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3655                        "%s\n", driver);
3656                 kfree_sensitive(buf);
3657                 return -ENOMEM;
3658         }
3659
3660         test_data.testentropy = &testentropy;
3661         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3662         drbg_string_fill(&pers, test->pers, test->perslen);
3663         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3664         if (ret) {
3665                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3666                 goto outbuf;
3667         }
3668
3669         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3670         if (pr) {
3671                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3672                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3673                         buf, test->expectedlen, &addtl, &test_data);
3674         } else {
3675                 ret = crypto_drbg_get_bytes_addtl(drng,
3676                         buf, test->expectedlen, &addtl);
3677         }
3678         if (ret < 0) {
3679                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3680                        "driver %s\n", driver);
3681                 goto outbuf;
3682         }
3683
3684         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3685         if (pr) {
3686                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3687                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3688                         buf, test->expectedlen, &addtl, &test_data);
3689         } else {
3690                 ret = crypto_drbg_get_bytes_addtl(drng,
3691                         buf, test->expectedlen, &addtl);
3692         }
3693         if (ret < 0) {
3694                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3695                        "driver %s\n", driver);
3696                 goto outbuf;
3697         }
3698
3699         ret = memcmp(test->expected, buf, test->expectedlen);
3700
3701 outbuf:
3702         crypto_free_rng(drng);
3703         kfree_sensitive(buf);
3704         return ret;
3705 }
3706
3707
3708 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3709                          u32 type, u32 mask)
3710 {
3711         int err = 0;
3712         int pr = 0;
3713         int i = 0;
3714         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3715         unsigned int tcount = desc->suite.drbg.count;
3716
3717         if (0 == memcmp(driver, "drbg_pr_", 8))
3718                 pr = 1;
3719
3720         for (i = 0; i < tcount; i++) {
3721                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3722                 if (err) {
3723                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3724                                i, driver);
3725                         err = -EINVAL;
3726                         break;
3727                 }
3728         }
3729         return err;
3730
3731 }
3732
3733 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3734                        const char *alg)
3735 {
3736         struct kpp_request *req;
3737         void *input_buf = NULL;
3738         void *output_buf = NULL;
3739         void *a_public = NULL;
3740         void *a_ss = NULL;
3741         void *shared_secret = NULL;
3742         struct crypto_wait wait;
3743         unsigned int out_len_max;
3744         int err = -ENOMEM;
3745         struct scatterlist src, dst;
3746
3747         req = kpp_request_alloc(tfm, GFP_KERNEL);
3748         if (!req)
3749                 return err;
3750
3751         crypto_init_wait(&wait);
3752
3753         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3754         if (err < 0)
3755                 goto free_req;
3756
3757         out_len_max = crypto_kpp_maxsize(tfm);
3758         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3759         if (!output_buf) {
3760                 err = -ENOMEM;
3761                 goto free_req;
3762         }
3763
3764         /* Use appropriate parameter as base */
3765         kpp_request_set_input(req, NULL, 0);
3766         sg_init_one(&dst, output_buf, out_len_max);
3767         kpp_request_set_output(req, &dst, out_len_max);
3768         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3769                                  crypto_req_done, &wait);
3770
3771         /* Compute party A's public key */
3772         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3773         if (err) {
3774                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3775                        alg, err);
3776                 goto free_output;
3777         }
3778
3779         if (vec->genkey) {
3780                 /* Save party A's public key */
3781                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3782                 if (!a_public) {
3783                         err = -ENOMEM;
3784                         goto free_output;
3785                 }
3786         } else {
3787                 /* Verify calculated public key */
3788                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3789                            vec->expected_a_public_size)) {
3790                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3791                                alg);
3792                         err = -EINVAL;
3793                         goto free_output;
3794                 }
3795         }
3796
3797         /* Calculate shared secret key by using counter part (b) public key. */
3798         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3799         if (!input_buf) {
3800                 err = -ENOMEM;
3801                 goto free_output;
3802         }
3803
3804         sg_init_one(&src, input_buf, vec->b_public_size);
3805         sg_init_one(&dst, output_buf, out_len_max);
3806         kpp_request_set_input(req, &src, vec->b_public_size);
3807         kpp_request_set_output(req, &dst, out_len_max);
3808         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3809                                  crypto_req_done, &wait);
3810         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3811         if (err) {
3812                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3813                        alg, err);
3814                 goto free_all;
3815         }
3816
3817         if (vec->genkey) {
3818                 /* Save the shared secret obtained by party A */
3819                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3820                 if (!a_ss) {
3821                         err = -ENOMEM;
3822                         goto free_all;
3823                 }
3824
3825                 /*
3826                  * Calculate party B's shared secret by using party A's
3827                  * public key.
3828                  */
3829                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3830                                             vec->b_secret_size);
3831                 if (err < 0)
3832                         goto free_all;
3833
3834                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3835                 sg_init_one(&dst, output_buf, out_len_max);
3836                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3837                 kpp_request_set_output(req, &dst, out_len_max);
3838                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3839                                          crypto_req_done, &wait);
3840                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3841                                       &wait);
3842                 if (err) {
3843                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3844                                alg, err);
3845                         goto free_all;
3846                 }
3847
3848                 shared_secret = a_ss;
3849         } else {
3850                 shared_secret = (void *)vec->expected_ss;
3851         }
3852
3853         /*
3854          * verify shared secret from which the user will derive
3855          * secret key by executing whatever hash it has chosen
3856          */
3857         if (memcmp(shared_secret, sg_virt(req->dst),
3858                    vec->expected_ss_size)) {
3859                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3860                        alg);
3861                 err = -EINVAL;
3862         }
3863
3864 free_all:
3865         kfree(a_ss);
3866         kfree(input_buf);
3867 free_output:
3868         kfree(a_public);
3869         kfree(output_buf);
3870 free_req:
3871         kpp_request_free(req);
3872         return err;
3873 }
3874
3875 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3876                     const struct kpp_testvec *vecs, unsigned int tcount)
3877 {
3878         int ret, i;
3879
3880         for (i = 0; i < tcount; i++) {
3881                 ret = do_test_kpp(tfm, vecs++, alg);
3882                 if (ret) {
3883                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
3884                                alg, i + 1, ret);
3885                         return ret;
3886                 }
3887         }
3888         return 0;
3889 }
3890
3891 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3892                         u32 type, u32 mask)
3893 {
3894         struct crypto_kpp *tfm;
3895         int err = 0;
3896
3897         tfm = crypto_alloc_kpp(driver, type, mask);
3898         if (IS_ERR(tfm)) {
3899                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3900                        driver, PTR_ERR(tfm));
3901                 return PTR_ERR(tfm);
3902         }
3903         if (desc->suite.kpp.vecs)
3904                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3905                                desc->suite.kpp.count);
3906
3907         crypto_free_kpp(tfm);
3908         return err;
3909 }
3910
3911 static u8 *test_pack_u32(u8 *dst, u32 val)
3912 {
3913         memcpy(dst, &val, sizeof(val));
3914         return dst + sizeof(val);
3915 }
3916
3917 static int test_akcipher_one(struct crypto_akcipher *tfm,
3918                              const struct akcipher_testvec *vecs)
3919 {
3920         char *xbuf[XBUFSIZE];
3921         struct akcipher_request *req;
3922         void *outbuf_enc = NULL;
3923         void *outbuf_dec = NULL;
3924         struct crypto_wait wait;
3925         unsigned int out_len_max, out_len = 0;
3926         int err = -ENOMEM;
3927         struct scatterlist src, dst, src_tab[3];
3928         const char *m, *c;
3929         unsigned int m_size, c_size;
3930         const char *op;
3931         u8 *key, *ptr;
3932
3933         if (testmgr_alloc_buf(xbuf))
3934                 return err;
3935
3936         req = akcipher_request_alloc(tfm, GFP_KERNEL);
3937         if (!req)
3938                 goto free_xbuf;
3939
3940         crypto_init_wait(&wait);
3941
3942         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3943                       GFP_KERNEL);
3944         if (!key)
3945                 goto free_req;
3946         memcpy(key, vecs->key, vecs->key_len);
3947         ptr = key + vecs->key_len;
3948         ptr = test_pack_u32(ptr, vecs->algo);
3949         ptr = test_pack_u32(ptr, vecs->param_len);
3950         memcpy(ptr, vecs->params, vecs->param_len);
3951
3952         if (vecs->public_key_vec)
3953                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3954         else
3955                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3956         if (err)
3957                 goto free_key;
3958
3959         /*
3960          * First run test which do not require a private key, such as
3961          * encrypt or verify.
3962          */
3963         err = -ENOMEM;
3964         out_len_max = crypto_akcipher_maxsize(tfm);
3965         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3966         if (!outbuf_enc)
3967                 goto free_key;
3968
3969         if (!vecs->siggen_sigver_test) {
3970                 m = vecs->m;
3971                 m_size = vecs->m_size;
3972                 c = vecs->c;
3973                 c_size = vecs->c_size;
3974                 op = "encrypt";
3975         } else {
3976                 /* Swap args so we could keep plaintext (digest)
3977                  * in vecs->m, and cooked signature in vecs->c.
3978                  */
3979                 m = vecs->c; /* signature */
3980                 m_size = vecs->c_size;
3981                 c = vecs->m; /* digest */
3982                 c_size = vecs->m_size;
3983                 op = "verify";
3984         }
3985
3986         err = -E2BIG;
3987         if (WARN_ON(m_size > PAGE_SIZE))
3988                 goto free_all;
3989         memcpy(xbuf[0], m, m_size);
3990
3991         sg_init_table(src_tab, 3);
3992         sg_set_buf(&src_tab[0], xbuf[0], 8);
3993         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
3994         if (vecs->siggen_sigver_test) {
3995                 if (WARN_ON(c_size > PAGE_SIZE))
3996                         goto free_all;
3997                 memcpy(xbuf[1], c, c_size);
3998                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
3999                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4000         } else {
4001                 sg_init_one(&dst, outbuf_enc, out_len_max);
4002                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4003                                            out_len_max);
4004         }
4005         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4006                                       crypto_req_done, &wait);
4007
4008         err = crypto_wait_req(vecs->siggen_sigver_test ?
4009                               /* Run asymmetric signature verification */
4010                               crypto_akcipher_verify(req) :
4011                               /* Run asymmetric encrypt */
4012                               crypto_akcipher_encrypt(req), &wait);
4013         if (err) {
4014                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4015                 goto free_all;
4016         }
4017         if (!vecs->siggen_sigver_test && c) {
4018                 if (req->dst_len != c_size) {
4019                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4020                                op);
4021                         err = -EINVAL;
4022                         goto free_all;
4023                 }
4024                 /* verify that encrypted message is equal to expected */
4025                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4026                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4027                                op);
4028                         hexdump(outbuf_enc, c_size);
4029                         err = -EINVAL;
4030                         goto free_all;
4031                 }
4032         }
4033
4034         /*
4035          * Don't invoke (decrypt or sign) test which require a private key
4036          * for vectors with only a public key.
4037          */
4038         if (vecs->public_key_vec) {
4039                 err = 0;
4040                 goto free_all;
4041         }
4042         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4043         if (!outbuf_dec) {
4044                 err = -ENOMEM;
4045                 goto free_all;
4046         }
4047
4048         if (!vecs->siggen_sigver_test && !c) {
4049                 c = outbuf_enc;
4050                 c_size = req->dst_len;
4051         }
4052
4053         err = -E2BIG;
4054         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4055         if (WARN_ON(c_size > PAGE_SIZE))
4056                 goto free_all;
4057         memcpy(xbuf[0], c, c_size);
4058
4059         sg_init_one(&src, xbuf[0], c_size);
4060         sg_init_one(&dst, outbuf_dec, out_len_max);
4061         crypto_init_wait(&wait);
4062         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4063
4064         err = crypto_wait_req(vecs->siggen_sigver_test ?
4065                               /* Run asymmetric signature generation */
4066                               crypto_akcipher_sign(req) :
4067                               /* Run asymmetric decrypt */
4068                               crypto_akcipher_decrypt(req), &wait);
4069         if (err) {
4070                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4071                 goto free_all;
4072         }
4073         out_len = req->dst_len;
4074         if (out_len < m_size) {
4075                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4076                        op, out_len);
4077                 err = -EINVAL;
4078                 goto free_all;
4079         }
4080         /* verify that decrypted message is equal to the original msg */
4081         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4082             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4083                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4084                 hexdump(outbuf_dec, out_len);
4085                 err = -EINVAL;
4086         }
4087 free_all:
4088         kfree(outbuf_dec);
4089         kfree(outbuf_enc);
4090 free_key:
4091         kfree(key);
4092 free_req:
4093         akcipher_request_free(req);
4094 free_xbuf:
4095         testmgr_free_buf(xbuf);
4096         return err;
4097 }
4098
4099 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4100                          const struct akcipher_testvec *vecs,
4101                          unsigned int tcount)
4102 {
4103         const char *algo =
4104                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4105         int ret, i;
4106
4107         for (i = 0; i < tcount; i++) {
4108                 ret = test_akcipher_one(tfm, vecs++);
4109                 if (!ret)
4110                         continue;
4111
4112                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4113                        i + 1, algo, ret);
4114                 return ret;
4115         }
4116         return 0;
4117 }
4118
4119 static int alg_test_akcipher(const struct alg_test_desc *desc,
4120                              const char *driver, u32 type, u32 mask)
4121 {
4122         struct crypto_akcipher *tfm;
4123         int err = 0;
4124
4125         tfm = crypto_alloc_akcipher(driver, type, mask);
4126         if (IS_ERR(tfm)) {
4127                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4128                        driver, PTR_ERR(tfm));
4129                 return PTR_ERR(tfm);
4130         }
4131         if (desc->suite.akcipher.vecs)
4132                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4133                                     desc->suite.akcipher.count);
4134
4135         crypto_free_akcipher(tfm);
4136         return err;
4137 }
4138
4139 static int alg_test_null(const struct alg_test_desc *desc,
4140                              const char *driver, u32 type, u32 mask)
4141 {
4142         return 0;
4143 }
4144
4145 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4146 #define __VECS(tv)      { ____VECS(tv) }
4147
4148 /* Please keep this list sorted by algorithm name. */
4149 static const struct alg_test_desc alg_test_descs[] = {
4150         {
4151                 .alg = "adiantum(xchacha12,aes)",
4152                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4153                 .test = alg_test_skcipher,
4154                 .suite = {
4155                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4156                 },
4157         }, {
4158                 .alg = "adiantum(xchacha20,aes)",
4159                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4160                 .test = alg_test_skcipher,
4161                 .suite = {
4162                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4163                 },
4164         }, {
4165                 .alg = "aegis128",
4166                 .test = alg_test_aead,
4167                 .suite = {
4168                         .aead = __VECS(aegis128_tv_template)
4169                 }
4170         }, {
4171                 .alg = "ansi_cprng",
4172                 .test = alg_test_cprng,
4173                 .suite = {
4174                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4175                 }
4176         }, {
4177                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4178                 .test = alg_test_aead,
4179                 .suite = {
4180                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4181                 }
4182         }, {
4183                 .alg = "authenc(hmac(sha1),cbc(aes))",
4184                 .test = alg_test_aead,
4185                 .fips_allowed = 1,
4186                 .suite = {
4187                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4188                 }
4189         }, {
4190                 .alg = "authenc(hmac(sha1),cbc(des))",
4191                 .test = alg_test_aead,
4192                 .suite = {
4193                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4194                 }
4195         }, {
4196                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4197                 .test = alg_test_aead,
4198                 .fips_allowed = 1,
4199                 .suite = {
4200                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4201                 }
4202         }, {
4203                 .alg = "authenc(hmac(sha1),ctr(aes))",
4204                 .test = alg_test_null,
4205                 .fips_allowed = 1,
4206         }, {
4207                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4208                 .test = alg_test_aead,
4209                 .suite = {
4210                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4211                 }
4212         }, {
4213                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4214                 .test = alg_test_null,
4215                 .fips_allowed = 1,
4216         }, {
4217                 .alg = "authenc(hmac(sha224),cbc(des))",
4218                 .test = alg_test_aead,
4219                 .suite = {
4220                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4221                 }
4222         }, {
4223                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4224                 .test = alg_test_aead,
4225                 .fips_allowed = 1,
4226                 .suite = {
4227                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4228                 }
4229         }, {
4230                 .alg = "authenc(hmac(sha256),cbc(aes))",
4231                 .test = alg_test_aead,
4232                 .fips_allowed = 1,
4233                 .suite = {
4234                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4235                 }
4236         }, {
4237                 .alg = "authenc(hmac(sha256),cbc(des))",
4238                 .test = alg_test_aead,
4239                 .suite = {
4240                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4241                 }
4242         }, {
4243                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4244                 .test = alg_test_aead,
4245                 .fips_allowed = 1,
4246                 .suite = {
4247                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4248                 }
4249         }, {
4250                 .alg = "authenc(hmac(sha256),ctr(aes))",
4251                 .test = alg_test_null,
4252                 .fips_allowed = 1,
4253         }, {
4254                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4255                 .test = alg_test_null,
4256                 .fips_allowed = 1,
4257         }, {
4258                 .alg = "authenc(hmac(sha384),cbc(des))",
4259                 .test = alg_test_aead,
4260                 .suite = {
4261                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4262                 }
4263         }, {
4264                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4265                 .test = alg_test_aead,
4266                 .fips_allowed = 1,
4267                 .suite = {
4268                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4269                 }
4270         }, {
4271                 .alg = "authenc(hmac(sha384),ctr(aes))",
4272                 .test = alg_test_null,
4273                 .fips_allowed = 1,
4274         }, {
4275                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4276                 .test = alg_test_null,
4277                 .fips_allowed = 1,
4278         }, {
4279                 .alg = "authenc(hmac(sha512),cbc(aes))",
4280                 .fips_allowed = 1,
4281                 .test = alg_test_aead,
4282                 .suite = {
4283                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4284                 }
4285         }, {
4286                 .alg = "authenc(hmac(sha512),cbc(des))",
4287                 .test = alg_test_aead,
4288                 .suite = {
4289                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4290                 }
4291         }, {
4292                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4293                 .test = alg_test_aead,
4294                 .fips_allowed = 1,
4295                 .suite = {
4296                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4297                 }
4298         }, {
4299                 .alg = "authenc(hmac(sha512),ctr(aes))",
4300                 .test = alg_test_null,
4301                 .fips_allowed = 1,
4302         }, {
4303                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4304                 .test = alg_test_null,
4305                 .fips_allowed = 1,
4306         }, {
4307                 .alg = "blake2b-160",
4308                 .test = alg_test_hash,
4309                 .fips_allowed = 0,
4310                 .suite = {
4311                         .hash = __VECS(blake2b_160_tv_template)
4312                 }
4313         }, {
4314                 .alg = "blake2b-256",
4315                 .test = alg_test_hash,
4316                 .fips_allowed = 0,
4317                 .suite = {
4318                         .hash = __VECS(blake2b_256_tv_template)
4319                 }
4320         }, {
4321                 .alg = "blake2b-384",
4322                 .test = alg_test_hash,
4323                 .fips_allowed = 0,
4324                 .suite = {
4325                         .hash = __VECS(blake2b_384_tv_template)
4326                 }
4327         }, {
4328                 .alg = "blake2b-512",
4329                 .test = alg_test_hash,
4330                 .fips_allowed = 0,
4331                 .suite = {
4332                         .hash = __VECS(blake2b_512_tv_template)
4333                 }
4334         }, {
4335                 .alg = "blake2s-128",
4336                 .test = alg_test_hash,
4337                 .suite = {
4338                         .hash = __VECS(blakes2s_128_tv_template)
4339                 }
4340         }, {
4341                 .alg = "blake2s-160",
4342                 .test = alg_test_hash,
4343                 .suite = {
4344                         .hash = __VECS(blakes2s_160_tv_template)
4345                 }
4346         }, {
4347                 .alg = "blake2s-224",
4348                 .test = alg_test_hash,
4349                 .suite = {
4350                         .hash = __VECS(blakes2s_224_tv_template)
4351                 }
4352         }, {
4353                 .alg = "blake2s-256",
4354                 .test = alg_test_hash,
4355                 .suite = {
4356                         .hash = __VECS(blakes2s_256_tv_template)
4357                 }
4358         }, {
4359                 .alg = "cbc(aes)",
4360                 .test = alg_test_skcipher,
4361                 .fips_allowed = 1,
4362                 .suite = {
4363                         .cipher = __VECS(aes_cbc_tv_template)
4364                 },
4365         }, {
4366                 .alg = "cbc(anubis)",
4367                 .test = alg_test_skcipher,
4368                 .suite = {
4369                         .cipher = __VECS(anubis_cbc_tv_template)
4370                 },
4371         }, {
4372                 .alg = "cbc(blowfish)",
4373                 .test = alg_test_skcipher,
4374                 .suite = {
4375                         .cipher = __VECS(bf_cbc_tv_template)
4376                 },
4377         }, {
4378                 .alg = "cbc(camellia)",
4379                 .test = alg_test_skcipher,
4380                 .suite = {
4381                         .cipher = __VECS(camellia_cbc_tv_template)
4382                 },
4383         }, {
4384                 .alg = "cbc(cast5)",
4385                 .test = alg_test_skcipher,
4386                 .suite = {
4387                         .cipher = __VECS(cast5_cbc_tv_template)
4388                 },
4389         }, {
4390                 .alg = "cbc(cast6)",
4391                 .test = alg_test_skcipher,
4392                 .suite = {
4393                         .cipher = __VECS(cast6_cbc_tv_template)
4394                 },
4395         }, {
4396                 .alg = "cbc(des)",
4397                 .test = alg_test_skcipher,
4398                 .suite = {
4399                         .cipher = __VECS(des_cbc_tv_template)
4400                 },
4401         }, {
4402                 .alg = "cbc(des3_ede)",
4403                 .test = alg_test_skcipher,
4404                 .fips_allowed = 1,
4405                 .suite = {
4406                         .cipher = __VECS(des3_ede_cbc_tv_template)
4407                 },
4408         }, {
4409                 /* Same as cbc(aes) except the key is stored in
4410                  * hardware secure memory which we reference by index
4411                  */
4412                 .alg = "cbc(paes)",
4413                 .test = alg_test_null,
4414                 .fips_allowed = 1,
4415         }, {
4416                 /* Same as cbc(sm4) except the key is stored in
4417                  * hardware secure memory which we reference by index
4418                  */
4419                 .alg = "cbc(psm4)",
4420                 .test = alg_test_null,
4421         }, {
4422                 .alg = "cbc(serpent)",
4423                 .test = alg_test_skcipher,
4424                 .suite = {
4425                         .cipher = __VECS(serpent_cbc_tv_template)
4426                 },
4427         }, {
4428                 .alg = "cbc(sm4)",
4429                 .test = alg_test_skcipher,
4430                 .suite = {
4431                         .cipher = __VECS(sm4_cbc_tv_template)
4432                 }
4433         }, {
4434                 .alg = "cbc(twofish)",
4435                 .test = alg_test_skcipher,
4436                 .suite = {
4437                         .cipher = __VECS(tf_cbc_tv_template)
4438                 },
4439         }, {
4440 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4441                 .alg = "cbc-paes-s390",
4442                 .fips_allowed = 1,
4443                 .test = alg_test_skcipher,
4444                 .suite = {
4445                         .cipher = __VECS(aes_cbc_tv_template)
4446                 }
4447         }, {
4448 #endif
4449                 .alg = "cbcmac(aes)",
4450                 .fips_allowed = 1,
4451                 .test = alg_test_hash,
4452                 .suite = {
4453                         .hash = __VECS(aes_cbcmac_tv_template)
4454                 }
4455         }, {
4456                 .alg = "ccm(aes)",
4457                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4458                 .test = alg_test_aead,
4459                 .fips_allowed = 1,
4460                 .suite = {
4461                         .aead = {
4462                                 ____VECS(aes_ccm_tv_template),
4463                                 .einval_allowed = 1,
4464                         }
4465                 }
4466         }, {
4467                 .alg = "cfb(aes)",
4468                 .test = alg_test_skcipher,
4469                 .fips_allowed = 1,
4470                 .suite = {
4471                         .cipher = __VECS(aes_cfb_tv_template)
4472                 },
4473         }, {
4474                 .alg = "cfb(sm4)",
4475                 .test = alg_test_skcipher,
4476                 .suite = {
4477                         .cipher = __VECS(sm4_cfb_tv_template)
4478                 }
4479         }, {
4480                 .alg = "chacha20",
4481                 .test = alg_test_skcipher,
4482                 .suite = {
4483                         .cipher = __VECS(chacha20_tv_template)
4484                 },
4485         }, {
4486                 .alg = "cmac(aes)",
4487                 .fips_allowed = 1,
4488                 .test = alg_test_hash,
4489                 .suite = {
4490                         .hash = __VECS(aes_cmac128_tv_template)
4491                 }
4492         }, {
4493                 .alg = "cmac(des3_ede)",
4494                 .fips_allowed = 1,
4495                 .test = alg_test_hash,
4496                 .suite = {
4497                         .hash = __VECS(des3_ede_cmac64_tv_template)
4498                 }
4499         }, {
4500                 .alg = "compress_null",
4501                 .test = alg_test_null,
4502         }, {
4503                 .alg = "crc32",
4504                 .test = alg_test_hash,
4505                 .fips_allowed = 1,
4506                 .suite = {
4507                         .hash = __VECS(crc32_tv_template)
4508                 }
4509         }, {
4510                 .alg = "crc32c",
4511                 .test = alg_test_crc32c,
4512                 .fips_allowed = 1,
4513                 .suite = {
4514                         .hash = __VECS(crc32c_tv_template)
4515                 }
4516         }, {
4517                 .alg = "crct10dif",
4518                 .test = alg_test_hash,
4519                 .fips_allowed = 1,
4520                 .suite = {
4521                         .hash = __VECS(crct10dif_tv_template)
4522                 }
4523         }, {
4524                 .alg = "ctr(aes)",
4525                 .test = alg_test_skcipher,
4526                 .fips_allowed = 1,
4527                 .suite = {
4528                         .cipher = __VECS(aes_ctr_tv_template)
4529                 }
4530         }, {
4531                 .alg = "ctr(blowfish)",
4532                 .test = alg_test_skcipher,
4533                 .suite = {
4534                         .cipher = __VECS(bf_ctr_tv_template)
4535                 }
4536         }, {
4537                 .alg = "ctr(camellia)",
4538                 .test = alg_test_skcipher,
4539                 .suite = {
4540                         .cipher = __VECS(camellia_ctr_tv_template)
4541                 }
4542         }, {
4543                 .alg = "ctr(cast5)",
4544                 .test = alg_test_skcipher,
4545                 .suite = {
4546                         .cipher = __VECS(cast5_ctr_tv_template)
4547                 }
4548         }, {
4549                 .alg = "ctr(cast6)",
4550                 .test = alg_test_skcipher,
4551                 .suite = {
4552                         .cipher = __VECS(cast6_ctr_tv_template)
4553                 }
4554         }, {
4555                 .alg = "ctr(des)",
4556                 .test = alg_test_skcipher,
4557                 .suite = {
4558                         .cipher = __VECS(des_ctr_tv_template)
4559                 }
4560         }, {
4561                 .alg = "ctr(des3_ede)",
4562                 .test = alg_test_skcipher,
4563                 .fips_allowed = 1,
4564                 .suite = {
4565                         .cipher = __VECS(des3_ede_ctr_tv_template)
4566                 }
4567         }, {
4568                 /* Same as ctr(aes) except the key is stored in
4569                  * hardware secure memory which we reference by index
4570                  */
4571                 .alg = "ctr(paes)",
4572                 .test = alg_test_null,
4573                 .fips_allowed = 1,
4574         }, {
4575
4576                 /* Same as ctr(sm4) except the key is stored in
4577                  * hardware secure memory which we reference by index
4578                  */
4579                 .alg = "ctr(psm4)",
4580                 .test = alg_test_null,
4581         }, {
4582                 .alg = "ctr(serpent)",
4583                 .test = alg_test_skcipher,
4584                 .suite = {
4585                         .cipher = __VECS(serpent_ctr_tv_template)
4586                 }
4587         }, {
4588                 .alg = "ctr(sm4)",
4589                 .test = alg_test_skcipher,
4590                 .suite = {
4591                         .cipher = __VECS(sm4_ctr_tv_template)
4592                 }
4593         }, {
4594                 .alg = "ctr(twofish)",
4595                 .test = alg_test_skcipher,
4596                 .suite = {
4597                         .cipher = __VECS(tf_ctr_tv_template)
4598                 }
4599         }, {
4600 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4601                 .alg = "ctr-paes-s390",
4602                 .fips_allowed = 1,
4603                 .test = alg_test_skcipher,
4604                 .suite = {
4605                         .cipher = __VECS(aes_ctr_tv_template)
4606                 }
4607         }, {
4608 #endif
4609                 .alg = "cts(cbc(aes))",
4610                 .test = alg_test_skcipher,
4611                 .fips_allowed = 1,
4612                 .suite = {
4613                         .cipher = __VECS(cts_mode_tv_template)
4614                 }
4615         }, {
4616                 /* Same as cts(cbc((aes)) except the key is stored in
4617                  * hardware secure memory which we reference by index
4618                  */
4619                 .alg = "cts(cbc(paes))",
4620                 .test = alg_test_null,
4621                 .fips_allowed = 1,
4622         }, {
4623                 .alg = "curve25519",
4624                 .test = alg_test_kpp,
4625                 .suite = {
4626                         .kpp = __VECS(curve25519_tv_template)
4627                 }
4628         }, {
4629                 .alg = "deflate",
4630                 .test = alg_test_comp,
4631                 .fips_allowed = 1,
4632                 .suite = {
4633                         .comp = {
4634                                 .comp = __VECS(deflate_comp_tv_template),
4635                                 .decomp = __VECS(deflate_decomp_tv_template)
4636                         }
4637                 }
4638         }, {
4639                 .alg = "dh",
4640                 .test = alg_test_kpp,
4641                 .fips_allowed = 1,
4642                 .suite = {
4643                         .kpp = __VECS(dh_tv_template)
4644                 }
4645         }, {
4646                 .alg = "digest_null",
4647                 .test = alg_test_null,
4648         }, {
4649                 .alg = "drbg_nopr_ctr_aes128",
4650                 .test = alg_test_drbg,
4651                 .fips_allowed = 1,
4652                 .suite = {
4653                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4654                 }
4655         }, {
4656                 .alg = "drbg_nopr_ctr_aes192",
4657                 .test = alg_test_drbg,
4658                 .fips_allowed = 1,
4659                 .suite = {
4660                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4661                 }
4662         }, {
4663                 .alg = "drbg_nopr_ctr_aes256",
4664                 .test = alg_test_drbg,
4665                 .fips_allowed = 1,
4666                 .suite = {
4667                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4668                 }
4669         }, {
4670                 /*
4671                  * There is no need to specifically test the DRBG with every
4672                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4673                  */
4674                 .alg = "drbg_nopr_hmac_sha1",
4675                 .fips_allowed = 1,
4676                 .test = alg_test_null,
4677         }, {
4678                 .alg = "drbg_nopr_hmac_sha256",
4679                 .test = alg_test_drbg,
4680                 .fips_allowed = 1,
4681                 .suite = {
4682                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4683                 }
4684         }, {
4685                 /* covered by drbg_nopr_hmac_sha256 test */
4686                 .alg = "drbg_nopr_hmac_sha384",
4687                 .fips_allowed = 1,
4688                 .test = alg_test_null,
4689         }, {
4690                 .alg = "drbg_nopr_hmac_sha512",
4691                 .test = alg_test_null,
4692                 .fips_allowed = 1,
4693         }, {
4694                 .alg = "drbg_nopr_sha1",
4695                 .fips_allowed = 1,
4696                 .test = alg_test_null,
4697         }, {
4698                 .alg = "drbg_nopr_sha256",
4699                 .test = alg_test_drbg,
4700                 .fips_allowed = 1,
4701                 .suite = {
4702                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4703                 }
4704         }, {
4705                 /* covered by drbg_nopr_sha256 test */
4706                 .alg = "drbg_nopr_sha384",
4707                 .fips_allowed = 1,
4708                 .test = alg_test_null,
4709         }, {
4710                 .alg = "drbg_nopr_sha512",
4711                 .fips_allowed = 1,
4712                 .test = alg_test_null,
4713         }, {
4714                 .alg = "drbg_pr_ctr_aes128",
4715                 .test = alg_test_drbg,
4716                 .fips_allowed = 1,
4717                 .suite = {
4718                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4719                 }
4720         }, {
4721                 /* covered by drbg_pr_ctr_aes128 test */
4722                 .alg = "drbg_pr_ctr_aes192",
4723                 .fips_allowed = 1,
4724                 .test = alg_test_null,
4725         }, {
4726                 .alg = "drbg_pr_ctr_aes256",
4727                 .fips_allowed = 1,
4728                 .test = alg_test_null,
4729         }, {
4730                 .alg = "drbg_pr_hmac_sha1",
4731                 .fips_allowed = 1,
4732                 .test = alg_test_null,
4733         }, {
4734                 .alg = "drbg_pr_hmac_sha256",
4735                 .test = alg_test_drbg,
4736                 .fips_allowed = 1,
4737                 .suite = {
4738                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4739                 }
4740         }, {
4741                 /* covered by drbg_pr_hmac_sha256 test */
4742                 .alg = "drbg_pr_hmac_sha384",
4743                 .fips_allowed = 1,
4744                 .test = alg_test_null,
4745         }, {
4746                 .alg = "drbg_pr_hmac_sha512",
4747                 .test = alg_test_null,
4748                 .fips_allowed = 1,
4749         }, {
4750                 .alg = "drbg_pr_sha1",
4751                 .fips_allowed = 1,
4752                 .test = alg_test_null,
4753         }, {
4754                 .alg = "drbg_pr_sha256",
4755                 .test = alg_test_drbg,
4756                 .fips_allowed = 1,
4757                 .suite = {
4758                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4759                 }
4760         }, {
4761                 /* covered by drbg_pr_sha256 test */
4762                 .alg = "drbg_pr_sha384",
4763                 .fips_allowed = 1,
4764                 .test = alg_test_null,
4765         }, {
4766                 .alg = "drbg_pr_sha512",
4767                 .fips_allowed = 1,
4768                 .test = alg_test_null,
4769         }, {
4770                 .alg = "ecb(aes)",
4771                 .test = alg_test_skcipher,
4772                 .fips_allowed = 1,
4773                 .suite = {
4774                         .cipher = __VECS(aes_tv_template)
4775                 }
4776         }, {
4777                 .alg = "ecb(anubis)",
4778                 .test = alg_test_skcipher,
4779                 .suite = {
4780                         .cipher = __VECS(anubis_tv_template)
4781                 }
4782         }, {
4783                 .alg = "ecb(arc4)",
4784                 .generic_driver = "ecb(arc4)-generic",
4785                 .test = alg_test_skcipher,
4786                 .suite = {
4787                         .cipher = __VECS(arc4_tv_template)
4788                 }
4789         }, {
4790                 .alg = "ecb(blowfish)",
4791                 .test = alg_test_skcipher,
4792                 .suite = {
4793                         .cipher = __VECS(bf_tv_template)
4794                 }
4795         }, {
4796                 .alg = "ecb(camellia)",
4797                 .test = alg_test_skcipher,
4798                 .suite = {
4799                         .cipher = __VECS(camellia_tv_template)
4800                 }
4801         }, {
4802                 .alg = "ecb(cast5)",
4803                 .test = alg_test_skcipher,
4804                 .suite = {
4805                         .cipher = __VECS(cast5_tv_template)
4806                 }
4807         }, {
4808                 .alg = "ecb(cast6)",
4809                 .test = alg_test_skcipher,
4810                 .suite = {
4811                         .cipher = __VECS(cast6_tv_template)
4812                 }
4813         }, {
4814                 .alg = "ecb(cipher_null)",
4815                 .test = alg_test_null,
4816                 .fips_allowed = 1,
4817         }, {
4818                 .alg = "ecb(des)",
4819                 .test = alg_test_skcipher,
4820                 .suite = {
4821                         .cipher = __VECS(des_tv_template)
4822                 }
4823         }, {
4824                 .alg = "ecb(des3_ede)",
4825                 .test = alg_test_skcipher,
4826                 .fips_allowed = 1,
4827                 .suite = {
4828                         .cipher = __VECS(des3_ede_tv_template)
4829                 }
4830         }, {
4831                 .alg = "ecb(fcrypt)",
4832                 .test = alg_test_skcipher,
4833                 .suite = {
4834                         .cipher = {
4835                                 .vecs = fcrypt_pcbc_tv_template,
4836                                 .count = 1
4837                         }
4838                 }
4839         }, {
4840                 .alg = "ecb(khazad)",
4841                 .test = alg_test_skcipher,
4842                 .suite = {
4843                         .cipher = __VECS(khazad_tv_template)
4844                 }
4845         }, {
4846                 /* Same as ecb(aes) except the key is stored in
4847                  * hardware secure memory which we reference by index
4848                  */
4849                 .alg = "ecb(paes)",
4850                 .test = alg_test_null,
4851                 .fips_allowed = 1,
4852         }, {
4853                 .alg = "ecb(seed)",
4854                 .test = alg_test_skcipher,
4855                 .suite = {
4856                         .cipher = __VECS(seed_tv_template)
4857                 }
4858         }, {
4859                 .alg = "ecb(serpent)",
4860                 .test = alg_test_skcipher,
4861                 .suite = {
4862                         .cipher = __VECS(serpent_tv_template)
4863                 }
4864         }, {
4865                 .alg = "ecb(sm4)",
4866                 .test = alg_test_skcipher,
4867                 .suite = {
4868                         .cipher = __VECS(sm4_tv_template)
4869                 }
4870         }, {
4871                 .alg = "ecb(tea)",
4872                 .test = alg_test_skcipher,
4873                 .suite = {
4874                         .cipher = __VECS(tea_tv_template)
4875                 }
4876         }, {
4877                 .alg = "ecb(tnepres)",
4878                 .test = alg_test_skcipher,
4879                 .suite = {
4880                         .cipher = __VECS(tnepres_tv_template)
4881                 }
4882         }, {
4883                 .alg = "ecb(twofish)",
4884                 .test = alg_test_skcipher,
4885                 .suite = {
4886                         .cipher = __VECS(tf_tv_template)
4887                 }
4888         }, {
4889                 .alg = "ecb(xeta)",
4890                 .test = alg_test_skcipher,
4891                 .suite = {
4892                         .cipher = __VECS(xeta_tv_template)
4893                 }
4894         }, {
4895                 .alg = "ecb(xtea)",
4896                 .test = alg_test_skcipher,
4897                 .suite = {
4898                         .cipher = __VECS(xtea_tv_template)
4899                 }
4900         }, {
4901 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4902                 .alg = "ecb-paes-s390",
4903                 .fips_allowed = 1,
4904                 .test = alg_test_skcipher,
4905                 .suite = {
4906                         .cipher = __VECS(aes_tv_template)
4907                 }
4908         }, {
4909 #endif
4910                 .alg = "ecdh",
4911                 .test = alg_test_kpp,
4912                 .fips_allowed = 1,
4913                 .suite = {
4914                         .kpp = __VECS(ecdh_tv_template)
4915                 }
4916         }, {
4917                 .alg = "ecrdsa",
4918                 .test = alg_test_akcipher,
4919                 .suite = {
4920                         .akcipher = __VECS(ecrdsa_tv_template)
4921                 }
4922         }, {
4923                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4924                 .test = alg_test_aead,
4925                 .fips_allowed = 1,
4926                 .suite = {
4927                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4928                 }
4929         }, {
4930                 .alg = "essiv(cbc(aes),sha256)",
4931                 .test = alg_test_skcipher,
4932                 .fips_allowed = 1,
4933                 .suite = {
4934                         .cipher = __VECS(essiv_aes_cbc_tv_template)
4935                 }
4936         }, {
4937                 .alg = "gcm(aes)",
4938                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4939                 .test = alg_test_aead,
4940                 .fips_allowed = 1,
4941                 .suite = {
4942                         .aead = __VECS(aes_gcm_tv_template)
4943                 }
4944         }, {
4945                 .alg = "ghash",
4946                 .test = alg_test_hash,
4947                 .fips_allowed = 1,
4948                 .suite = {
4949                         .hash = __VECS(ghash_tv_template)
4950                 }
4951         }, {
4952                 .alg = "hmac(md5)",
4953                 .test = alg_test_hash,
4954                 .suite = {
4955                         .hash = __VECS(hmac_md5_tv_template)
4956                 }
4957         }, {
4958                 .alg = "hmac(rmd128)",
4959                 .test = alg_test_hash,
4960                 .suite = {
4961                         .hash = __VECS(hmac_rmd128_tv_template)
4962                 }
4963         }, {
4964                 .alg = "hmac(rmd160)",
4965                 .test = alg_test_hash,
4966                 .suite = {
4967                         .hash = __VECS(hmac_rmd160_tv_template)
4968                 }
4969         }, {
4970                 .alg = "hmac(sha1)",
4971                 .test = alg_test_hash,
4972                 .fips_allowed = 1,
4973                 .suite = {
4974                         .hash = __VECS(hmac_sha1_tv_template)
4975                 }
4976         }, {
4977                 .alg = "hmac(sha224)",
4978                 .test = alg_test_hash,
4979                 .fips_allowed = 1,
4980                 .suite = {
4981                         .hash = __VECS(hmac_sha224_tv_template)
4982                 }
4983         }, {
4984                 .alg = "hmac(sha256)",
4985                 .test = alg_test_hash,
4986                 .fips_allowed = 1,
4987                 .suite = {
4988                         .hash = __VECS(hmac_sha256_tv_template)
4989                 }
4990         }, {
4991                 .alg = "hmac(sha3-224)",
4992                 .test = alg_test_hash,
4993                 .fips_allowed = 1,
4994                 .suite = {
4995                         .hash = __VECS(hmac_sha3_224_tv_template)
4996                 }
4997         }, {
4998                 .alg = "hmac(sha3-256)",
4999                 .test = alg_test_hash,
5000                 .fips_allowed = 1,
5001                 .suite = {
5002                         .hash = __VECS(hmac_sha3_256_tv_template)
5003                 }
5004         }, {
5005                 .alg = "hmac(sha3-384)",
5006                 .test = alg_test_hash,
5007                 .fips_allowed = 1,
5008                 .suite = {
5009                         .hash = __VECS(hmac_sha3_384_tv_template)
5010                 }
5011         }, {
5012                 .alg = "hmac(sha3-512)",
5013                 .test = alg_test_hash,
5014                 .fips_allowed = 1,
5015                 .suite = {
5016                         .hash = __VECS(hmac_sha3_512_tv_template)
5017                 }
5018         }, {
5019                 .alg = "hmac(sha384)",
5020                 .test = alg_test_hash,
5021                 .fips_allowed = 1,
5022                 .suite = {
5023                         .hash = __VECS(hmac_sha384_tv_template)
5024                 }
5025         }, {
5026                 .alg = "hmac(sha512)",
5027                 .test = alg_test_hash,
5028                 .fips_allowed = 1,
5029                 .suite = {
5030                         .hash = __VECS(hmac_sha512_tv_template)
5031                 }
5032         }, {
5033                 .alg = "hmac(sm3)",
5034                 .test = alg_test_hash,
5035                 .suite = {
5036                         .hash = __VECS(hmac_sm3_tv_template)
5037                 }
5038         }, {
5039                 .alg = "hmac(streebog256)",
5040                 .test = alg_test_hash,
5041                 .suite = {
5042                         .hash = __VECS(hmac_streebog256_tv_template)
5043                 }
5044         }, {
5045                 .alg = "hmac(streebog512)",
5046                 .test = alg_test_hash,
5047                 .suite = {
5048                         .hash = __VECS(hmac_streebog512_tv_template)
5049                 }
5050         }, {
5051                 .alg = "jitterentropy_rng",
5052                 .fips_allowed = 1,
5053                 .test = alg_test_null,
5054         }, {
5055                 .alg = "kw(aes)",
5056                 .test = alg_test_skcipher,
5057                 .fips_allowed = 1,
5058                 .suite = {
5059                         .cipher = __VECS(aes_kw_tv_template)
5060                 }
5061         }, {
5062                 .alg = "lrw(aes)",
5063                 .generic_driver = "lrw(ecb(aes-generic))",
5064                 .test = alg_test_skcipher,
5065                 .suite = {
5066                         .cipher = __VECS(aes_lrw_tv_template)
5067                 }
5068         }, {
5069                 .alg = "lrw(camellia)",
5070                 .generic_driver = "lrw(ecb(camellia-generic))",
5071                 .test = alg_test_skcipher,
5072                 .suite = {
5073                         .cipher = __VECS(camellia_lrw_tv_template)
5074                 }
5075         }, {
5076                 .alg = "lrw(cast6)",
5077                 .generic_driver = "lrw(ecb(cast6-generic))",
5078                 .test = alg_test_skcipher,
5079                 .suite = {
5080                         .cipher = __VECS(cast6_lrw_tv_template)
5081                 }
5082         }, {
5083                 .alg = "lrw(serpent)",
5084                 .generic_driver = "lrw(ecb(serpent-generic))",
5085                 .test = alg_test_skcipher,
5086                 .suite = {
5087                         .cipher = __VECS(serpent_lrw_tv_template)
5088                 }
5089         }, {
5090                 .alg = "lrw(twofish)",
5091                 .generic_driver = "lrw(ecb(twofish-generic))",
5092                 .test = alg_test_skcipher,
5093                 .suite = {
5094                         .cipher = __VECS(tf_lrw_tv_template)
5095                 }
5096         }, {
5097                 .alg = "lz4",
5098                 .test = alg_test_comp,
5099                 .fips_allowed = 1,
5100                 .suite = {
5101                         .comp = {
5102                                 .comp = __VECS(lz4_comp_tv_template),
5103                                 .decomp = __VECS(lz4_decomp_tv_template)
5104                         }
5105                 }
5106         }, {
5107                 .alg = "lz4hc",
5108                 .test = alg_test_comp,
5109                 .fips_allowed = 1,
5110                 .suite = {
5111                         .comp = {
5112                                 .comp = __VECS(lz4hc_comp_tv_template),
5113                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5114                         }
5115                 }
5116         }, {
5117                 .alg = "lzo",
5118                 .test = alg_test_comp,
5119                 .fips_allowed = 1,
5120                 .suite = {
5121                         .comp = {
5122                                 .comp = __VECS(lzo_comp_tv_template),
5123                                 .decomp = __VECS(lzo_decomp_tv_template)
5124                         }
5125                 }
5126         }, {
5127                 .alg = "lzo-rle",
5128                 .test = alg_test_comp,
5129                 .fips_allowed = 1,
5130                 .suite = {
5131                         .comp = {
5132                                 .comp = __VECS(lzorle_comp_tv_template),
5133                                 .decomp = __VECS(lzorle_decomp_tv_template)
5134                         }
5135                 }
5136         }, {
5137                 .alg = "md4",
5138                 .test = alg_test_hash,
5139                 .suite = {
5140                         .hash = __VECS(md4_tv_template)
5141                 }
5142         }, {
5143                 .alg = "md5",
5144                 .test = alg_test_hash,
5145                 .suite = {
5146                         .hash = __VECS(md5_tv_template)
5147                 }
5148         }, {
5149                 .alg = "michael_mic",
5150                 .test = alg_test_hash,
5151                 .suite = {
5152                         .hash = __VECS(michael_mic_tv_template)
5153                 }
5154         }, {
5155                 .alg = "nhpoly1305",
5156                 .test = alg_test_hash,
5157                 .suite = {
5158                         .hash = __VECS(nhpoly1305_tv_template)
5159                 }
5160         }, {
5161                 .alg = "ofb(aes)",
5162                 .test = alg_test_skcipher,
5163                 .fips_allowed = 1,
5164                 .suite = {
5165                         .cipher = __VECS(aes_ofb_tv_template)
5166                 }
5167         }, {
5168                 /* Same as ofb(aes) except the key is stored in
5169                  * hardware secure memory which we reference by index
5170                  */
5171                 .alg = "ofb(paes)",
5172                 .test = alg_test_null,
5173                 .fips_allowed = 1,
5174         }, {
5175                 .alg = "ofb(sm4)",
5176                 .test = alg_test_skcipher,
5177                 .suite = {
5178                         .cipher = __VECS(sm4_ofb_tv_template)
5179                 }
5180         }, {
5181                 .alg = "pcbc(fcrypt)",
5182                 .test = alg_test_skcipher,
5183                 .suite = {
5184                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5185                 }
5186         }, {
5187                 .alg = "pkcs1pad(rsa,sha224)",
5188                 .test = alg_test_null,
5189                 .fips_allowed = 1,
5190         }, {
5191                 .alg = "pkcs1pad(rsa,sha256)",
5192                 .test = alg_test_akcipher,
5193                 .fips_allowed = 1,
5194                 .suite = {
5195                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5196                 }
5197         }, {
5198                 .alg = "pkcs1pad(rsa,sha384)",
5199                 .test = alg_test_null,
5200                 .fips_allowed = 1,
5201         }, {
5202                 .alg = "pkcs1pad(rsa,sha512)",
5203                 .test = alg_test_null,
5204                 .fips_allowed = 1,
5205         }, {
5206                 .alg = "poly1305",
5207                 .test = alg_test_hash,
5208                 .suite = {
5209                         .hash = __VECS(poly1305_tv_template)
5210                 }
5211         }, {
5212                 .alg = "rfc3686(ctr(aes))",
5213                 .test = alg_test_skcipher,
5214                 .fips_allowed = 1,
5215                 .suite = {
5216                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5217                 }
5218         }, {
5219                 .alg = "rfc3686(ctr(sm4))",
5220                 .test = alg_test_skcipher,
5221                 .suite = {
5222                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5223                 }
5224         }, {
5225                 .alg = "rfc4106(gcm(aes))",
5226                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5227                 .test = alg_test_aead,
5228                 .fips_allowed = 1,
5229                 .suite = {
5230                         .aead = {
5231                                 ____VECS(aes_gcm_rfc4106_tv_template),
5232                                 .einval_allowed = 1,
5233                                 .aad_iv = 1,
5234                         }
5235                 }
5236         }, {
5237                 .alg = "rfc4309(ccm(aes))",
5238                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5239                 .test = alg_test_aead,
5240                 .fips_allowed = 1,
5241                 .suite = {
5242                         .aead = {
5243                                 ____VECS(aes_ccm_rfc4309_tv_template),
5244                                 .einval_allowed = 1,
5245                                 .aad_iv = 1,
5246                         }
5247                 }
5248         }, {
5249                 .alg = "rfc4543(gcm(aes))",
5250                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5251                 .test = alg_test_aead,
5252                 .suite = {
5253                         .aead = {
5254                                 ____VECS(aes_gcm_rfc4543_tv_template),
5255                                 .einval_allowed = 1,
5256                                 .aad_iv = 1,
5257                         }
5258                 }
5259         }, {
5260                 .alg = "rfc7539(chacha20,poly1305)",
5261                 .test = alg_test_aead,
5262                 .suite = {
5263                         .aead = __VECS(rfc7539_tv_template)
5264                 }
5265         }, {
5266                 .alg = "rfc7539esp(chacha20,poly1305)",
5267                 .test = alg_test_aead,
5268                 .suite = {
5269                         .aead = {
5270                                 ____VECS(rfc7539esp_tv_template),
5271                                 .einval_allowed = 1,
5272                                 .aad_iv = 1,
5273                         }
5274                 }
5275         }, {
5276                 .alg = "rmd128",
5277                 .test = alg_test_hash,
5278                 .suite = {
5279                         .hash = __VECS(rmd128_tv_template)
5280                 }
5281         }, {
5282                 .alg = "rmd160",
5283                 .test = alg_test_hash,
5284                 .suite = {
5285                         .hash = __VECS(rmd160_tv_template)
5286                 }
5287         }, {
5288                 .alg = "rmd256",
5289                 .test = alg_test_hash,
5290                 .suite = {
5291                         .hash = __VECS(rmd256_tv_template)
5292                 }
5293         }, {
5294                 .alg = "rmd320",
5295                 .test = alg_test_hash,
5296                 .suite = {
5297                         .hash = __VECS(rmd320_tv_template)
5298                 }
5299         }, {
5300                 .alg = "rsa",
5301                 .test = alg_test_akcipher,
5302                 .fips_allowed = 1,
5303                 .suite = {
5304                         .akcipher = __VECS(rsa_tv_template)
5305                 }
5306         }, {
5307                 .alg = "salsa20",
5308                 .test = alg_test_skcipher,
5309                 .suite = {
5310                         .cipher = __VECS(salsa20_stream_tv_template)
5311                 }
5312         }, {
5313                 .alg = "sha1",
5314                 .test = alg_test_hash,
5315                 .fips_allowed = 1,
5316                 .suite = {
5317                         .hash = __VECS(sha1_tv_template)
5318                 }
5319         }, {
5320                 .alg = "sha224",
5321                 .test = alg_test_hash,
5322                 .fips_allowed = 1,
5323                 .suite = {
5324                         .hash = __VECS(sha224_tv_template)
5325                 }
5326         }, {
5327                 .alg = "sha256",
5328                 .test = alg_test_hash,
5329                 .fips_allowed = 1,
5330                 .suite = {
5331                         .hash = __VECS(sha256_tv_template)
5332                 }
5333         }, {
5334                 .alg = "sha3-224",
5335                 .test = alg_test_hash,
5336                 .fips_allowed = 1,
5337                 .suite = {
5338                         .hash = __VECS(sha3_224_tv_template)
5339                 }
5340         }, {
5341                 .alg = "sha3-256",
5342                 .test = alg_test_hash,
5343                 .fips_allowed = 1,
5344                 .suite = {
5345                         .hash = __VECS(sha3_256_tv_template)
5346                 }
5347         }, {
5348                 .alg = "sha3-384",
5349                 .test = alg_test_hash,
5350                 .fips_allowed = 1,
5351                 .suite = {
5352                         .hash = __VECS(sha3_384_tv_template)
5353                 }
5354         }, {
5355                 .alg = "sha3-512",
5356                 .test = alg_test_hash,
5357                 .fips_allowed = 1,
5358                 .suite = {
5359                         .hash = __VECS(sha3_512_tv_template)
5360                 }
5361         }, {
5362                 .alg = "sha384",
5363                 .test = alg_test_hash,
5364                 .fips_allowed = 1,
5365                 .suite = {
5366                         .hash = __VECS(sha384_tv_template)
5367                 }
5368         }, {
5369                 .alg = "sha512",
5370                 .test = alg_test_hash,
5371                 .fips_allowed = 1,
5372                 .suite = {
5373                         .hash = __VECS(sha512_tv_template)
5374                 }
5375         }, {
5376                 .alg = "sm2",
5377                 .test = alg_test_akcipher,
5378                 .suite = {
5379                         .akcipher = __VECS(sm2_tv_template)
5380                 }
5381         }, {
5382                 .alg = "sm3",
5383                 .test = alg_test_hash,
5384                 .suite = {
5385                         .hash = __VECS(sm3_tv_template)
5386                 }
5387         }, {
5388                 .alg = "streebog256",
5389                 .test = alg_test_hash,
5390                 .suite = {
5391                         .hash = __VECS(streebog256_tv_template)
5392                 }
5393         }, {
5394                 .alg = "streebog512",
5395                 .test = alg_test_hash,
5396                 .suite = {
5397                         .hash = __VECS(streebog512_tv_template)
5398                 }
5399         }, {
5400                 .alg = "tgr128",
5401                 .test = alg_test_hash,
5402                 .suite = {
5403                         .hash = __VECS(tgr128_tv_template)
5404                 }
5405         }, {
5406                 .alg = "tgr160",
5407                 .test = alg_test_hash,
5408                 .suite = {
5409                         .hash = __VECS(tgr160_tv_template)
5410                 }
5411         }, {
5412                 .alg = "tgr192",
5413                 .test = alg_test_hash,
5414                 .suite = {
5415                         .hash = __VECS(tgr192_tv_template)
5416                 }
5417         }, {
5418                 .alg = "vmac64(aes)",
5419                 .test = alg_test_hash,
5420                 .suite = {
5421                         .hash = __VECS(vmac64_aes_tv_template)
5422                 }
5423         }, {
5424                 .alg = "wp256",
5425                 .test = alg_test_hash,
5426                 .suite = {
5427                         .hash = __VECS(wp256_tv_template)
5428                 }
5429         }, {
5430                 .alg = "wp384",
5431                 .test = alg_test_hash,
5432                 .suite = {
5433                         .hash = __VECS(wp384_tv_template)
5434                 }
5435         }, {
5436                 .alg = "wp512",
5437                 .test = alg_test_hash,
5438                 .suite = {
5439                         .hash = __VECS(wp512_tv_template)
5440                 }
5441         }, {
5442                 .alg = "xcbc(aes)",
5443                 .test = alg_test_hash,
5444                 .suite = {
5445                         .hash = __VECS(aes_xcbc128_tv_template)
5446                 }
5447         }, {
5448                 .alg = "xchacha12",
5449                 .test = alg_test_skcipher,
5450                 .suite = {
5451                         .cipher = __VECS(xchacha12_tv_template)
5452                 },
5453         }, {
5454                 .alg = "xchacha20",
5455                 .test = alg_test_skcipher,
5456                 .suite = {
5457                         .cipher = __VECS(xchacha20_tv_template)
5458                 },
5459         }, {
5460                 .alg = "xts(aes)",
5461                 .generic_driver = "xts(ecb(aes-generic))",
5462                 .test = alg_test_skcipher,
5463                 .fips_allowed = 1,
5464                 .suite = {
5465                         .cipher = __VECS(aes_xts_tv_template)
5466                 }
5467         }, {
5468                 .alg = "xts(camellia)",
5469                 .generic_driver = "xts(ecb(camellia-generic))",
5470                 .test = alg_test_skcipher,
5471                 .suite = {
5472                         .cipher = __VECS(camellia_xts_tv_template)
5473                 }
5474         }, {
5475                 .alg = "xts(cast6)",
5476                 .generic_driver = "xts(ecb(cast6-generic))",
5477                 .test = alg_test_skcipher,
5478                 .suite = {
5479                         .cipher = __VECS(cast6_xts_tv_template)
5480                 }
5481         }, {
5482                 /* Same as xts(aes) except the key is stored in
5483                  * hardware secure memory which we reference by index
5484                  */
5485                 .alg = "xts(paes)",
5486                 .test = alg_test_null,
5487                 .fips_allowed = 1,
5488         }, {
5489                 .alg = "xts(serpent)",
5490                 .generic_driver = "xts(ecb(serpent-generic))",
5491                 .test = alg_test_skcipher,
5492                 .suite = {
5493                         .cipher = __VECS(serpent_xts_tv_template)
5494                 }
5495         }, {
5496                 .alg = "xts(twofish)",
5497                 .generic_driver = "xts(ecb(twofish-generic))",
5498                 .test = alg_test_skcipher,
5499                 .suite = {
5500                         .cipher = __VECS(tf_xts_tv_template)
5501                 }
5502         }, {
5503 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5504                 .alg = "xts-paes-s390",
5505                 .fips_allowed = 1,
5506                 .test = alg_test_skcipher,
5507                 .suite = {
5508                         .cipher = __VECS(aes_xts_tv_template)
5509                 }
5510         }, {
5511 #endif
5512                 .alg = "xts4096(paes)",
5513                 .test = alg_test_null,
5514                 .fips_allowed = 1,
5515         }, {
5516                 .alg = "xts512(paes)",
5517                 .test = alg_test_null,
5518                 .fips_allowed = 1,
5519         }, {
5520                 .alg = "xxhash64",
5521                 .test = alg_test_hash,
5522                 .fips_allowed = 1,
5523                 .suite = {
5524                         .hash = __VECS(xxhash64_tv_template)
5525                 }
5526         }, {
5527                 .alg = "zlib-deflate",
5528                 .test = alg_test_comp,
5529                 .fips_allowed = 1,
5530                 .suite = {
5531                         .comp = {
5532                                 .comp = __VECS(zlib_deflate_comp_tv_template),
5533                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5534                         }
5535                 }
5536         }, {
5537                 .alg = "zstd",
5538                 .test = alg_test_comp,
5539                 .fips_allowed = 1,
5540                 .suite = {
5541                         .comp = {
5542                                 .comp = __VECS(zstd_comp_tv_template),
5543                                 .decomp = __VECS(zstd_decomp_tv_template)
5544                         }
5545                 }
5546         }
5547 };
5548
5549 static void alg_check_test_descs_order(void)
5550 {
5551         int i;
5552
5553         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5554                 int diff = strcmp(alg_test_descs[i - 1].alg,
5555                                   alg_test_descs[i].alg);
5556
5557                 if (WARN_ON(diff > 0)) {
5558                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5559                                 alg_test_descs[i - 1].alg,
5560                                 alg_test_descs[i].alg);
5561                 }
5562
5563                 if (WARN_ON(diff == 0)) {
5564                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5565                                 alg_test_descs[i].alg);
5566                 }
5567         }
5568 }
5569
5570 static void alg_check_testvec_configs(void)
5571 {
5572         int i;
5573
5574         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5575                 WARN_ON(!valid_testvec_config(
5576                                 &default_cipher_testvec_configs[i]));
5577
5578         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5579                 WARN_ON(!valid_testvec_config(
5580                                 &default_hash_testvec_configs[i]));
5581 }
5582
5583 static void testmgr_onetime_init(void)
5584 {
5585         alg_check_test_descs_order();
5586         alg_check_testvec_configs();
5587
5588 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5589         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5590 #endif
5591 }
5592
5593 static int alg_find_test(const char *alg)
5594 {
5595         int start = 0;
5596         int end = ARRAY_SIZE(alg_test_descs);
5597
5598         while (start < end) {
5599                 int i = (start + end) / 2;
5600                 int diff = strcmp(alg_test_descs[i].alg, alg);
5601
5602                 if (diff > 0) {
5603                         end = i;
5604                         continue;
5605                 }
5606
5607                 if (diff < 0) {
5608                         start = i + 1;
5609                         continue;
5610                 }
5611
5612                 return i;
5613         }
5614
5615         return -1;
5616 }
5617
5618 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5619 {
5620         int i;
5621         int j;
5622         int rc;
5623
5624         if (!fips_enabled && notests) {
5625                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5626                 return 0;
5627         }
5628
5629         DO_ONCE(testmgr_onetime_init);
5630
5631         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5632                 char nalg[CRYPTO_MAX_ALG_NAME];
5633
5634                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5635                     sizeof(nalg))
5636                         return -ENAMETOOLONG;
5637
5638                 i = alg_find_test(nalg);
5639                 if (i < 0)
5640                         goto notest;
5641
5642                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5643                         goto non_fips_alg;
5644
5645                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5646                 goto test_done;
5647         }
5648
5649         i = alg_find_test(alg);
5650         j = alg_find_test(driver);
5651         if (i < 0 && j < 0)
5652                 goto notest;
5653
5654         if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
5655                              (j >= 0 && !alg_test_descs[j].fips_allowed)))
5656                 goto non_fips_alg;
5657
5658         rc = 0;
5659         if (i >= 0)
5660                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5661                                              type, mask);
5662         if (j >= 0 && j != i)
5663                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5664                                              type, mask);
5665
5666 test_done:
5667         if (rc) {
5668                 if (fips_enabled || panic_on_fail) {
5669                         fips_fail_notify();
5670                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5671                               driver, alg,
5672                               fips_enabled ? "fips" : "panic_on_fail");
5673                 }
5674                 WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)",
5675                      driver, alg, rc);
5676         } else {
5677                 if (fips_enabled)
5678                         pr_info("alg: self-tests for %s (%s) passed\n",
5679                                 driver, alg);
5680         }
5681
5682         return rc;
5683
5684 notest:
5685         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5686         return 0;
5687 non_fips_alg:
5688         return -EINVAL;
5689 }
5690
5691 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5692
5693 EXPORT_SYMBOL_GPL(alg_test);