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