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/prandom.h> 27 #include <linux/scatterlist.h> 28 #include <linux/slab.h> 29 #include <linux/string.h> 30 #include <linux/uio.h> 31 #include <crypto/akcipher.h> 32 #include <crypto/kpp.h> 33 #include <crypto/acompress.h> 34 #include <crypto/sig.h> 35 #include <crypto/internal/cipher.h> 36 #include <crypto/internal/rng.h> 37 #include <crypto/internal/simd.h> 38 39 #include "internal.h" 40 41 MODULE_IMPORT_NS("CRYPTO_INTERNAL"); 42 43 static bool notests; 44 module_param(notests, bool, 0644); 45 MODULE_PARM_DESC(notests, "disable all crypto self-tests"); 46 47 #ifdef CONFIG_CRYPTO_SELFTESTS_FULL 48 static bool noslowtests; 49 module_param(noslowtests, bool, 0644); 50 MODULE_PARM_DESC(noslowtests, "disable slow crypto self-tests"); 51 52 static unsigned int fuzz_iterations = 100; 53 module_param(fuzz_iterations, uint, 0644); 54 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations"); 55 #else 56 #define noslowtests 1 57 #define fuzz_iterations 0 58 #endif 59 60 #ifndef CONFIG_CRYPTO_SELFTESTS 61 62 /* a perfect nop */ 63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 64 { 65 return 0; 66 } 67 68 #else 69 70 #include "testmgr.h" 71 72 /* 73 * Need slab memory for testing (size in number of pages). 74 */ 75 #define XBUFSIZE 8 76 77 /* 78 * Used by test_cipher() 79 */ 80 #define ENCRYPT 1 81 #define DECRYPT 0 82 83 struct aead_test_suite { 84 const struct aead_testvec *vecs; 85 unsigned int count; 86 87 /* 88 * Set if trying to decrypt an inauthentic ciphertext with this 89 * algorithm might result in EINVAL rather than EBADMSG, due to other 90 * validation the algorithm does on the inputs such as length checks. 91 */ 92 unsigned int einval_allowed : 1; 93 94 /* 95 * Set if this algorithm requires that the IV be located at the end of 96 * the AAD buffer, in addition to being given in the normal way. The 97 * behavior when the two IV copies differ is implementation-defined. 98 */ 99 unsigned int aad_iv : 1; 100 }; 101 102 struct cipher_test_suite { 103 const struct cipher_testvec *vecs; 104 unsigned int count; 105 }; 106 107 struct comp_test_suite { 108 struct { 109 const struct comp_testvec *vecs; 110 unsigned int count; 111 } comp, decomp; 112 }; 113 114 struct hash_test_suite { 115 const struct hash_testvec *vecs; 116 unsigned int count; 117 }; 118 119 struct drbg_test_suite { 120 const struct drbg_testvec *vecs; 121 unsigned int count; 122 }; 123 124 struct akcipher_test_suite { 125 const struct akcipher_testvec *vecs; 126 unsigned int count; 127 }; 128 129 struct sig_test_suite { 130 const struct sig_testvec *vecs; 131 unsigned int count; 132 }; 133 134 struct kpp_test_suite { 135 const struct kpp_testvec *vecs; 136 unsigned int count; 137 }; 138 139 struct alg_test_desc { 140 const char *alg; 141 const char *generic_driver; 142 int (*test)(const struct alg_test_desc *desc, const char *driver, 143 u32 type, u32 mask); 144 int fips_allowed; /* set if alg is allowed in fips mode */ 145 146 union { 147 struct aead_test_suite aead; 148 struct cipher_test_suite cipher; 149 struct comp_test_suite comp; 150 struct hash_test_suite hash; 151 struct drbg_test_suite drbg; 152 struct akcipher_test_suite akcipher; 153 struct sig_test_suite sig; 154 struct kpp_test_suite kpp; 155 } suite; 156 }; 157 158 static void hexdump(unsigned char *buf, unsigned int len) 159 { 160 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET, 161 16, 1, 162 buf, len, false); 163 } 164 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order) 166 { 167 int i; 168 169 for (i = 0; i < XBUFSIZE; i++) { 170 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order); 171 if (!buf[i]) 172 goto err_free_buf; 173 } 174 175 return 0; 176 177 err_free_buf: 178 while (i-- > 0) 179 free_pages((unsigned long)buf[i], order); 180 181 return -ENOMEM; 182 } 183 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE]) 185 { 186 return __testmgr_alloc_buf(buf, 0); 187 } 188 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order) 190 { 191 int i; 192 193 for (i = 0; i < XBUFSIZE; i++) 194 free_pages((unsigned long)buf[i], order); 195 } 196 197 static void testmgr_free_buf(char *buf[XBUFSIZE]) 198 { 199 __testmgr_free_buf(buf, 0); 200 } 201 202 #define TESTMGR_POISON_BYTE 0xfe 203 #define TESTMGR_POISON_LEN 16 204 205 static inline void testmgr_poison(void *addr, size_t len) 206 { 207 memset(addr, TESTMGR_POISON_BYTE, len); 208 } 209 210 /* Is the memory region still fully poisoned? */ 211 static inline bool testmgr_is_poison(const void *addr, size_t len) 212 { 213 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL; 214 } 215 216 /* flush type for hash algorithms */ 217 enum flush_type { 218 /* merge with update of previous buffer(s) */ 219 FLUSH_TYPE_NONE = 0, 220 221 /* update with previous buffer(s) before doing this one */ 222 FLUSH_TYPE_FLUSH, 223 224 /* likewise, but also export and re-import the intermediate state */ 225 FLUSH_TYPE_REIMPORT, 226 }; 227 228 /* finalization function for hash algorithms */ 229 enum finalization_type { 230 FINALIZATION_TYPE_FINAL, /* use final() */ 231 FINALIZATION_TYPE_FINUP, /* use finup() */ 232 FINALIZATION_TYPE_DIGEST, /* use digest() */ 233 }; 234 235 /* 236 * Whether the crypto operation will occur in-place, and if so whether the 237 * source and destination scatterlist pointers will coincide (req->src == 238 * req->dst), or whether they'll merely point to two separate scatterlists 239 * (req->src != req->dst) that reference the same underlying memory. 240 * 241 * This is only relevant for algorithm types that support in-place operation. 242 */ 243 enum inplace_mode { 244 OUT_OF_PLACE, 245 INPLACE_ONE_SGLIST, 246 INPLACE_TWO_SGLISTS, 247 }; 248 249 #define TEST_SG_TOTAL 10000 250 251 /** 252 * struct test_sg_division - description of a scatterlist entry 253 * 254 * This struct describes one entry of a scatterlist being constructed to check a 255 * crypto test vector. 256 * 257 * @proportion_of_total: length of this chunk relative to the total length, 258 * given as a proportion out of TEST_SG_TOTAL so that it 259 * scales to fit any test vector 260 * @offset: byte offset into a 2-page buffer at which this chunk will start 261 * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the 262 * @offset 263 * @flush_type: for hashes, whether an update() should be done now vs. 264 * continuing to accumulate data 265 * @nosimd: if doing the pending update(), do it with SIMD disabled? 266 */ 267 struct test_sg_division { 268 unsigned int proportion_of_total; 269 unsigned int offset; 270 bool offset_relative_to_alignmask; 271 enum flush_type flush_type; 272 bool nosimd; 273 }; 274 275 /** 276 * struct testvec_config - configuration for testing a crypto test vector 277 * 278 * This struct describes the data layout and other parameters with which each 279 * crypto test vector can be tested. 280 * 281 * @name: name of this config, logged for debugging purposes if a test fails 282 * @inplace_mode: whether and how to operate on the data in-place, if applicable 283 * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP 284 * @src_divs: description of how to arrange the source scatterlist 285 * @dst_divs: description of how to arrange the dst scatterlist, if applicable 286 * for the algorithm type. Defaults to @src_divs if unset. 287 * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1], 288 * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary 289 * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to 290 * the @iv_offset 291 * @key_offset: misalignment of the key, where 0 is default alignment 292 * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to 293 * the @key_offset 294 * @finalization_type: what finalization function to use for hashes 295 * @nosimd: execute with SIMD disabled? Requires !CRYPTO_TFM_REQ_MAY_SLEEP. 296 * This applies to the parts of the operation that aren't controlled 297 * individually by @nosimd_setkey or @src_divs[].nosimd. 298 * @nosimd_setkey: set the key (if applicable) with SIMD disabled? Requires 299 * !CRYPTO_TFM_REQ_MAY_SLEEP. 300 */ 301 struct testvec_config { 302 const char *name; 303 enum inplace_mode inplace_mode; 304 u32 req_flags; 305 struct test_sg_division src_divs[XBUFSIZE]; 306 struct test_sg_division dst_divs[XBUFSIZE]; 307 unsigned int iv_offset; 308 unsigned int key_offset; 309 bool iv_offset_relative_to_alignmask; 310 bool key_offset_relative_to_alignmask; 311 enum finalization_type finalization_type; 312 bool nosimd; 313 bool nosimd_setkey; 314 }; 315 316 #define TESTVEC_CONFIG_NAMELEN 192 317 318 /* 319 * The following are the lists of testvec_configs to test for each algorithm 320 * type when the "fast" crypto self-tests are enabled. They aim to provide good 321 * test coverage, while keeping the test time much shorter than the "full" tests 322 * so that the "fast" tests can be enabled in a wider range of circumstances. 323 */ 324 325 /* Configs for skciphers and aeads */ 326 static const struct testvec_config default_cipher_testvec_configs[] = { 327 { 328 .name = "in-place (one sglist)", 329 .inplace_mode = INPLACE_ONE_SGLIST, 330 .src_divs = { { .proportion_of_total = 10000 } }, 331 }, { 332 .name = "in-place (two sglists)", 333 .inplace_mode = INPLACE_TWO_SGLISTS, 334 .src_divs = { { .proportion_of_total = 10000 } }, 335 }, { 336 .name = "out-of-place", 337 .inplace_mode = OUT_OF_PLACE, 338 .src_divs = { { .proportion_of_total = 10000 } }, 339 }, { 340 .name = "unaligned buffer, offset=1", 341 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 342 .iv_offset = 1, 343 .key_offset = 1, 344 }, { 345 .name = "buffer aligned only to alignmask", 346 .src_divs = { 347 { 348 .proportion_of_total = 10000, 349 .offset = 1, 350 .offset_relative_to_alignmask = true, 351 }, 352 }, 353 .iv_offset = 1, 354 .iv_offset_relative_to_alignmask = true, 355 .key_offset = 1, 356 .key_offset_relative_to_alignmask = true, 357 }, { 358 .name = "two even aligned splits", 359 .src_divs = { 360 { .proportion_of_total = 5000 }, 361 { .proportion_of_total = 5000 }, 362 }, 363 }, { 364 .name = "one src, two even splits dst", 365 .inplace_mode = OUT_OF_PLACE, 366 .src_divs = { { .proportion_of_total = 10000 } }, 367 .dst_divs = { 368 { .proportion_of_total = 5000 }, 369 { .proportion_of_total = 5000 }, 370 }, 371 }, { 372 .name = "uneven misaligned splits, may sleep", 373 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 374 .src_divs = { 375 { .proportion_of_total = 1900, .offset = 33 }, 376 { .proportion_of_total = 3300, .offset = 7 }, 377 { .proportion_of_total = 4800, .offset = 18 }, 378 }, 379 .iv_offset = 3, 380 .key_offset = 3, 381 }, { 382 .name = "misaligned splits crossing pages, inplace", 383 .inplace_mode = INPLACE_ONE_SGLIST, 384 .src_divs = { 385 { 386 .proportion_of_total = 7500, 387 .offset = PAGE_SIZE - 32 388 }, { 389 .proportion_of_total = 2500, 390 .offset = PAGE_SIZE - 7 391 }, 392 }, 393 } 394 }; 395 396 static const struct testvec_config default_hash_testvec_configs[] = { 397 { 398 .name = "init+update+final aligned buffer", 399 .src_divs = { { .proportion_of_total = 10000 } }, 400 .finalization_type = FINALIZATION_TYPE_FINAL, 401 }, { 402 .name = "init+finup aligned buffer", 403 .src_divs = { { .proportion_of_total = 10000 } }, 404 .finalization_type = FINALIZATION_TYPE_FINUP, 405 }, { 406 .name = "digest aligned buffer", 407 .src_divs = { { .proportion_of_total = 10000 } }, 408 .finalization_type = FINALIZATION_TYPE_DIGEST, 409 }, { 410 .name = "init+update+final misaligned buffer", 411 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 412 .finalization_type = FINALIZATION_TYPE_FINAL, 413 .key_offset = 1, 414 }, { 415 .name = "digest misaligned buffer", 416 .src_divs = { 417 { 418 .proportion_of_total = 10000, 419 .offset = 1, 420 }, 421 }, 422 .finalization_type = FINALIZATION_TYPE_DIGEST, 423 .key_offset = 1, 424 }, { 425 .name = "init+update+update+final two even splits", 426 .src_divs = { 427 { .proportion_of_total = 5000 }, 428 { 429 .proportion_of_total = 5000, 430 .flush_type = FLUSH_TYPE_FLUSH, 431 }, 432 }, 433 .finalization_type = FINALIZATION_TYPE_FINAL, 434 }, { 435 .name = "digest uneven misaligned splits, may sleep", 436 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 437 .src_divs = { 438 { .proportion_of_total = 1900, .offset = 33 }, 439 { .proportion_of_total = 3300, .offset = 7 }, 440 { .proportion_of_total = 4800, .offset = 18 }, 441 }, 442 .finalization_type = FINALIZATION_TYPE_DIGEST, 443 }, { 444 .name = "digest misaligned splits crossing pages", 445 .src_divs = { 446 { 447 .proportion_of_total = 7500, 448 .offset = PAGE_SIZE - 32, 449 }, { 450 .proportion_of_total = 2500, 451 .offset = PAGE_SIZE - 7, 452 }, 453 }, 454 .finalization_type = FINALIZATION_TYPE_DIGEST, 455 }, { 456 .name = "import/export", 457 .src_divs = { 458 { 459 .proportion_of_total = 6500, 460 .flush_type = FLUSH_TYPE_REIMPORT, 461 }, { 462 .proportion_of_total = 3500, 463 .flush_type = FLUSH_TYPE_REIMPORT, 464 }, 465 }, 466 .finalization_type = FINALIZATION_TYPE_FINAL, 467 } 468 }; 469 470 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs) 471 { 472 unsigned int remaining = TEST_SG_TOTAL; 473 unsigned int ndivs = 0; 474 475 do { 476 remaining -= divs[ndivs++].proportion_of_total; 477 } while (remaining); 478 479 return ndivs; 480 } 481 482 #define SGDIVS_HAVE_FLUSHES BIT(0) 483 #define SGDIVS_HAVE_NOSIMD BIT(1) 484 485 static bool valid_sg_divisions(const struct test_sg_division *divs, 486 unsigned int count, int *flags_ret) 487 { 488 unsigned int total = 0; 489 unsigned int i; 490 491 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) { 492 if (divs[i].proportion_of_total <= 0 || 493 divs[i].proportion_of_total > TEST_SG_TOTAL - total) 494 return false; 495 total += divs[i].proportion_of_total; 496 if (divs[i].flush_type != FLUSH_TYPE_NONE) 497 *flags_ret |= SGDIVS_HAVE_FLUSHES; 498 if (divs[i].nosimd) 499 *flags_ret |= SGDIVS_HAVE_NOSIMD; 500 } 501 return total == TEST_SG_TOTAL && 502 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL; 503 } 504 505 /* 506 * Check whether the given testvec_config is valid. This isn't strictly needed 507 * since every testvec_config should be valid, but check anyway so that people 508 * don't unknowingly add broken configs that don't do what they wanted. 509 */ 510 static bool valid_testvec_config(const struct testvec_config *cfg) 511 { 512 int flags = 0; 513 514 if (cfg->name == NULL) 515 return false; 516 517 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs), 518 &flags)) 519 return false; 520 521 if (cfg->dst_divs[0].proportion_of_total) { 522 if (!valid_sg_divisions(cfg->dst_divs, 523 ARRAY_SIZE(cfg->dst_divs), &flags)) 524 return false; 525 } else { 526 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs))) 527 return false; 528 /* defaults to dst_divs=src_divs */ 529 } 530 531 if (cfg->iv_offset + 532 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) > 533 MAX_ALGAPI_ALIGNMASK + 1) 534 return false; 535 536 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) && 537 cfg->finalization_type == FINALIZATION_TYPE_DIGEST) 538 return false; 539 540 if ((cfg->nosimd || cfg->nosimd_setkey || 541 (flags & SGDIVS_HAVE_NOSIMD)) && 542 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) 543 return false; 544 545 return true; 546 } 547 548 struct test_sglist { 549 char *bufs[XBUFSIZE]; 550 struct scatterlist sgl[XBUFSIZE]; 551 struct scatterlist sgl_saved[XBUFSIZE]; 552 struct scatterlist *sgl_ptr; 553 unsigned int nents; 554 }; 555 556 static int init_test_sglist(struct test_sglist *tsgl) 557 { 558 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */); 559 } 560 561 static void destroy_test_sglist(struct test_sglist *tsgl) 562 { 563 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */); 564 } 565 566 /** 567 * build_test_sglist() - build a scatterlist for a crypto test 568 * 569 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page 570 * buffers which the scatterlist @tsgl->sgl[] will be made to point into. 571 * @divs: the layout specification on which the scatterlist will be based 572 * @alignmask: the algorithm's alignmask 573 * @total_len: the total length of the scatterlist to build in bytes 574 * @data: if non-NULL, the buffers will be filled with this data until it ends. 575 * Otherwise the buffers will be poisoned. In both cases, some bytes 576 * past the end of each buffer will be poisoned to help detect overruns. 577 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry 578 * corresponds will be returned here. This will match @divs except 579 * that divisions resolving to a length of 0 are omitted as they are 580 * not included in the scatterlist. 581 * 582 * Return: 0 or a -errno value 583 */ 584 static int build_test_sglist(struct test_sglist *tsgl, 585 const struct test_sg_division *divs, 586 const unsigned int alignmask, 587 const unsigned int total_len, 588 struct iov_iter *data, 589 const struct test_sg_division *out_divs[XBUFSIZE]) 590 { 591 struct { 592 const struct test_sg_division *div; 593 size_t length; 594 } partitions[XBUFSIZE]; 595 const unsigned int ndivs = count_test_sg_divisions(divs); 596 unsigned int len_remaining = total_len; 597 unsigned int i; 598 599 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl)); 600 if (WARN_ON(ndivs > ARRAY_SIZE(partitions))) 601 return -EINVAL; 602 603 /* Calculate the (div, length) pairs */ 604 tsgl->nents = 0; 605 for (i = 0; i < ndivs; i++) { 606 unsigned int len_this_sg = 607 min(len_remaining, 608 (total_len * divs[i].proportion_of_total + 609 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL); 610 611 if (len_this_sg != 0) { 612 partitions[tsgl->nents].div = &divs[i]; 613 partitions[tsgl->nents].length = len_this_sg; 614 tsgl->nents++; 615 len_remaining -= len_this_sg; 616 } 617 } 618 if (tsgl->nents == 0) { 619 partitions[tsgl->nents].div = &divs[0]; 620 partitions[tsgl->nents].length = 0; 621 tsgl->nents++; 622 } 623 partitions[tsgl->nents - 1].length += len_remaining; 624 625 /* Set up the sgl entries and fill the data or poison */ 626 sg_init_table(tsgl->sgl, tsgl->nents); 627 for (i = 0; i < tsgl->nents; i++) { 628 unsigned int offset = partitions[i].div->offset; 629 void *addr; 630 631 if (partitions[i].div->offset_relative_to_alignmask) 632 offset += alignmask; 633 634 while (offset + partitions[i].length + TESTMGR_POISON_LEN > 635 2 * PAGE_SIZE) { 636 if (WARN_ON(offset <= 0)) 637 return -EINVAL; 638 offset /= 2; 639 } 640 641 addr = &tsgl->bufs[i][offset]; 642 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length); 643 644 if (out_divs) 645 out_divs[i] = partitions[i].div; 646 647 if (data) { 648 size_t copy_len, copied; 649 650 copy_len = min(partitions[i].length, data->count); 651 copied = copy_from_iter(addr, copy_len, data); 652 if (WARN_ON(copied != copy_len)) 653 return -EINVAL; 654 testmgr_poison(addr + copy_len, partitions[i].length + 655 TESTMGR_POISON_LEN - copy_len); 656 } else { 657 testmgr_poison(addr, partitions[i].length + 658 TESTMGR_POISON_LEN); 659 } 660 } 661 662 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]); 663 tsgl->sgl_ptr = tsgl->sgl; 664 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0])); 665 return 0; 666 } 667 668 /* 669 * Verify that a scatterlist crypto operation produced the correct output. 670 * 671 * @tsgl: scatterlist containing the actual output 672 * @expected_output: buffer containing the expected output 673 * @len_to_check: length of @expected_output in bytes 674 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result 675 * @check_poison: verify that the poison bytes after each chunk are intact? 676 * 677 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun. 678 */ 679 static int verify_correct_output(const struct test_sglist *tsgl, 680 const char *expected_output, 681 unsigned int len_to_check, 682 unsigned int unchecked_prefix_len, 683 bool check_poison) 684 { 685 unsigned int i; 686 687 for (i = 0; i < tsgl->nents; i++) { 688 struct scatterlist *sg = &tsgl->sgl_ptr[i]; 689 unsigned int len = sg->length; 690 unsigned int offset = sg->offset; 691 const char *actual_output; 692 693 if (unchecked_prefix_len) { 694 if (unchecked_prefix_len >= len) { 695 unchecked_prefix_len -= len; 696 continue; 697 } 698 offset += unchecked_prefix_len; 699 len -= unchecked_prefix_len; 700 unchecked_prefix_len = 0; 701 } 702 len = min(len, len_to_check); 703 actual_output = page_address(sg_page(sg)) + offset; 704 if (memcmp(expected_output, actual_output, len) != 0) 705 return -EINVAL; 706 if (check_poison && 707 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN)) 708 return -EOVERFLOW; 709 len_to_check -= len; 710 expected_output += len; 711 } 712 if (WARN_ON(len_to_check != 0)) 713 return -EINVAL; 714 return 0; 715 } 716 717 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl) 718 { 719 unsigned int i; 720 721 for (i = 0; i < tsgl->nents; i++) { 722 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link) 723 return true; 724 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset) 725 return true; 726 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length) 727 return true; 728 } 729 return false; 730 } 731 732 struct cipher_test_sglists { 733 struct test_sglist src; 734 struct test_sglist dst; 735 }; 736 737 static struct cipher_test_sglists *alloc_cipher_test_sglists(void) 738 { 739 struct cipher_test_sglists *tsgls; 740 741 tsgls = kmalloc_obj(*tsgls); 742 if (!tsgls) 743 return NULL; 744 745 if (init_test_sglist(&tsgls->src) != 0) 746 goto fail_kfree; 747 if (init_test_sglist(&tsgls->dst) != 0) 748 goto fail_destroy_src; 749 750 return tsgls; 751 752 fail_destroy_src: 753 destroy_test_sglist(&tsgls->src); 754 fail_kfree: 755 kfree(tsgls); 756 return NULL; 757 } 758 759 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls) 760 { 761 if (tsgls) { 762 destroy_test_sglist(&tsgls->src); 763 destroy_test_sglist(&tsgls->dst); 764 kfree(tsgls); 765 } 766 } 767 768 /* Build the src and dst scatterlists for an skcipher or AEAD test */ 769 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls, 770 const struct testvec_config *cfg, 771 unsigned int alignmask, 772 unsigned int src_total_len, 773 unsigned int dst_total_len, 774 const struct kvec *inputs, 775 unsigned int nr_inputs) 776 { 777 struct iov_iter input; 778 int err; 779 780 iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len); 781 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask, 782 cfg->inplace_mode != OUT_OF_PLACE ? 783 max(dst_total_len, src_total_len) : 784 src_total_len, 785 &input, NULL); 786 if (err) 787 return err; 788 789 /* 790 * In-place crypto operations can use the same scatterlist for both the 791 * source and destination (req->src == req->dst), or can use separate 792 * scatterlists (req->src != req->dst) which point to the same 793 * underlying memory. Make sure to test both cases. 794 */ 795 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) { 796 tsgls->dst.sgl_ptr = tsgls->src.sgl; 797 tsgls->dst.nents = tsgls->src.nents; 798 return 0; 799 } 800 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) { 801 /* 802 * For now we keep it simple and only test the case where the 803 * two scatterlists have identical entries, rather than 804 * different entries that split up the same memory differently. 805 */ 806 memcpy(tsgls->dst.sgl, tsgls->src.sgl, 807 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 808 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl, 809 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 810 tsgls->dst.sgl_ptr = tsgls->dst.sgl; 811 tsgls->dst.nents = tsgls->src.nents; 812 return 0; 813 } 814 /* Out of place */ 815 return build_test_sglist(&tsgls->dst, 816 cfg->dst_divs[0].proportion_of_total ? 817 cfg->dst_divs : cfg->src_divs, 818 alignmask, dst_total_len, NULL, NULL); 819 } 820 821 /* 822 * Support for testing passing a misaligned key to setkey(): 823 * 824 * If cfg->key_offset is set, copy the key into a new buffer at that offset, 825 * optionally adding alignmask. Else, just use the key directly. 826 */ 827 static int prepare_keybuf(const u8 *key, unsigned int ksize, 828 const struct testvec_config *cfg, 829 unsigned int alignmask, 830 const u8 **keybuf_ret, const u8 **keyptr_ret) 831 { 832 unsigned int key_offset = cfg->key_offset; 833 u8 *keybuf = NULL, *keyptr = (u8 *)key; 834 835 if (key_offset != 0) { 836 if (cfg->key_offset_relative_to_alignmask) 837 key_offset += alignmask; 838 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL); 839 if (!keybuf) 840 return -ENOMEM; 841 keyptr = keybuf + key_offset; 842 memcpy(keyptr, key, ksize); 843 } 844 *keybuf_ret = keybuf; 845 *keyptr_ret = keyptr; 846 return 0; 847 } 848 849 /* 850 * Like setkey_f(tfm, key, ksize), but sometimes misalign the key. 851 * In addition, run the setkey function in no-SIMD context if requested. 852 */ 853 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \ 854 ({ \ 855 const u8 *keybuf, *keyptr; \ 856 int err; \ 857 \ 858 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \ 859 &keybuf, &keyptr); \ 860 if (err == 0) { \ 861 if ((cfg)->nosimd_setkey) \ 862 crypto_disable_simd_for_test(); \ 863 err = setkey_f((tfm), keyptr, (ksize)); \ 864 if ((cfg)->nosimd_setkey) \ 865 crypto_reenable_simd_for_test(); \ 866 kfree(keybuf); \ 867 } \ 868 err; \ 869 }) 870 871 /* 872 * The fuzz tests use prandom instead of the normal Linux RNG since they don't 873 * need cryptographically secure random numbers. This greatly improves the 874 * performance of these tests, especially if they are run before the Linux RNG 875 * has been initialized or if they are run on a lockdep-enabled kernel. 876 */ 877 878 static inline void init_rnd_state(struct rnd_state *rng) 879 { 880 prandom_seed_state(rng, get_random_u64()); 881 } 882 883 static inline u8 prandom_u8(struct rnd_state *rng) 884 { 885 return prandom_u32_state(rng); 886 } 887 888 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil) 889 { 890 /* 891 * This is slightly biased for non-power-of-2 values of 'ceil', but this 892 * isn't important here. 893 */ 894 return prandom_u32_state(rng) % ceil; 895 } 896 897 static inline bool prandom_bool(struct rnd_state *rng) 898 { 899 return prandom_u32_below(rng, 2); 900 } 901 902 static inline u32 prandom_u32_inclusive(struct rnd_state *rng, 903 u32 floor, u32 ceil) 904 { 905 return floor + prandom_u32_below(rng, ceil - floor + 1); 906 } 907 908 /* Generate a random length in range [0, max_len], but prefer smaller values */ 909 static unsigned int generate_random_length(struct rnd_state *rng, 910 unsigned int max_len) 911 { 912 unsigned int len = prandom_u32_below(rng, max_len + 1); 913 914 switch (prandom_u32_below(rng, 4)) { 915 case 0: 916 len %= 64; 917 break; 918 case 1: 919 len %= 256; 920 break; 921 case 2: 922 len %= 1024; 923 break; 924 default: 925 break; 926 } 927 if (len && prandom_u32_below(rng, 4) == 0) 928 len = rounddown_pow_of_two(len); 929 return len; 930 } 931 932 /* Flip a random bit in the given nonempty data buffer */ 933 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size) 934 { 935 size_t bitpos; 936 937 bitpos = prandom_u32_below(rng, size * 8); 938 buf[bitpos / 8] ^= 1 << (bitpos % 8); 939 } 940 941 /* Flip a random byte in the given nonempty data buffer */ 942 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size) 943 { 944 buf[prandom_u32_below(rng, size)] ^= 0xff; 945 } 946 947 /* Sometimes make some random changes to the given nonempty data buffer */ 948 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size) 949 { 950 size_t num_flips; 951 size_t i; 952 953 /* Sometimes flip some bits */ 954 if (prandom_u32_below(rng, 4) == 0) { 955 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), 956 size * 8); 957 for (i = 0; i < num_flips; i++) 958 flip_random_bit(rng, buf, size); 959 } 960 961 /* Sometimes flip some bytes */ 962 if (prandom_u32_below(rng, 4) == 0) { 963 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size); 964 for (i = 0; i < num_flips; i++) 965 flip_random_byte(rng, buf, size); 966 } 967 } 968 969 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */ 970 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count) 971 { 972 u8 b; 973 u8 increment; 974 size_t i; 975 976 if (count == 0) 977 return; 978 979 switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */ 980 case 0: 981 case 1: 982 /* All the same byte, plus optional mutations */ 983 switch (prandom_u32_below(rng, 4)) { 984 case 0: 985 b = 0x00; 986 break; 987 case 1: 988 b = 0xff; 989 break; 990 default: 991 b = prandom_u8(rng); 992 break; 993 } 994 memset(buf, b, count); 995 mutate_buffer(rng, buf, count); 996 break; 997 case 2: 998 /* Ascending or descending bytes, plus optional mutations */ 999 increment = prandom_u8(rng); 1000 b = prandom_u8(rng); 1001 for (i = 0; i < count; i++, b += increment) 1002 buf[i] = b; 1003 mutate_buffer(rng, buf, count); 1004 break; 1005 default: 1006 /* Fully random bytes */ 1007 prandom_bytes_state(rng, buf, count); 1008 } 1009 } 1010 1011 static char *generate_random_sgl_divisions(struct rnd_state *rng, 1012 struct test_sg_division *divs, 1013 size_t max_divs, char *p, char *end, 1014 bool gen_flushes, u32 req_flags) 1015 { 1016 struct test_sg_division *div = divs; 1017 unsigned int remaining = TEST_SG_TOTAL; 1018 1019 do { 1020 unsigned int this_len; 1021 const char *flushtype_str; 1022 1023 if (div == &divs[max_divs - 1] || prandom_bool(rng)) 1024 this_len = remaining; 1025 else if (prandom_u32_below(rng, 4) == 0) 1026 this_len = (remaining + 1) / 2; 1027 else 1028 this_len = prandom_u32_inclusive(rng, 1, remaining); 1029 div->proportion_of_total = this_len; 1030 1031 if (prandom_u32_below(rng, 4) == 0) 1032 div->offset = prandom_u32_inclusive(rng, 1033 PAGE_SIZE - 128, 1034 PAGE_SIZE - 1); 1035 else if (prandom_bool(rng)) 1036 div->offset = prandom_u32_below(rng, 32); 1037 else 1038 div->offset = prandom_u32_below(rng, PAGE_SIZE); 1039 if (prandom_u32_below(rng, 8) == 0) 1040 div->offset_relative_to_alignmask = true; 1041 1042 div->flush_type = FLUSH_TYPE_NONE; 1043 if (gen_flushes) { 1044 switch (prandom_u32_below(rng, 4)) { 1045 case 0: 1046 div->flush_type = FLUSH_TYPE_REIMPORT; 1047 break; 1048 case 1: 1049 div->flush_type = FLUSH_TYPE_FLUSH; 1050 break; 1051 } 1052 } 1053 1054 if (div->flush_type != FLUSH_TYPE_NONE && 1055 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && 1056 prandom_bool(rng)) 1057 div->nosimd = true; 1058 1059 switch (div->flush_type) { 1060 case FLUSH_TYPE_FLUSH: 1061 if (div->nosimd) 1062 flushtype_str = "<flush,nosimd>"; 1063 else 1064 flushtype_str = "<flush>"; 1065 break; 1066 case FLUSH_TYPE_REIMPORT: 1067 if (div->nosimd) 1068 flushtype_str = "<reimport,nosimd>"; 1069 else 1070 flushtype_str = "<reimport>"; 1071 break; 1072 default: 1073 flushtype_str = ""; 1074 break; 1075 } 1076 1077 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */ 1078 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str, 1079 this_len / 100, this_len % 100, 1080 div->offset_relative_to_alignmask ? 1081 "alignmask" : "", 1082 div->offset, this_len == remaining ? "" : ", "); 1083 remaining -= this_len; 1084 div++; 1085 } while (remaining); 1086 1087 return p; 1088 } 1089 1090 /* Generate a random testvec_config for fuzz testing */ 1091 static void generate_random_testvec_config(struct rnd_state *rng, 1092 struct testvec_config *cfg, 1093 char *name, size_t max_namelen) 1094 { 1095 char *p = name; 1096 char * const end = name + max_namelen; 1097 1098 memset(cfg, 0, sizeof(*cfg)); 1099 1100 cfg->name = name; 1101 1102 p += scnprintf(p, end - p, "random:"); 1103 1104 switch (prandom_u32_below(rng, 4)) { 1105 case 0: 1106 case 1: 1107 cfg->inplace_mode = OUT_OF_PLACE; 1108 break; 1109 case 2: 1110 cfg->inplace_mode = INPLACE_ONE_SGLIST; 1111 p += scnprintf(p, end - p, " inplace_one_sglist"); 1112 break; 1113 default: 1114 cfg->inplace_mode = INPLACE_TWO_SGLISTS; 1115 p += scnprintf(p, end - p, " inplace_two_sglists"); 1116 break; 1117 } 1118 1119 if (prandom_bool(rng)) { 1120 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP; 1121 p += scnprintf(p, end - p, " may_sleep"); 1122 } 1123 1124 switch (prandom_u32_below(rng, 4)) { 1125 case 0: 1126 cfg->finalization_type = FINALIZATION_TYPE_FINAL; 1127 p += scnprintf(p, end - p, " use_final"); 1128 break; 1129 case 1: 1130 cfg->finalization_type = FINALIZATION_TYPE_FINUP; 1131 p += scnprintf(p, end - p, " use_finup"); 1132 break; 1133 default: 1134 cfg->finalization_type = FINALIZATION_TYPE_DIGEST; 1135 p += scnprintf(p, end - p, " use_digest"); 1136 break; 1137 } 1138 1139 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) { 1140 if (prandom_bool(rng)) { 1141 cfg->nosimd = true; 1142 p += scnprintf(p, end - p, " nosimd"); 1143 } 1144 if (prandom_bool(rng)) { 1145 cfg->nosimd_setkey = true; 1146 p += scnprintf(p, end - p, " nosimd_setkey"); 1147 } 1148 } 1149 1150 p += scnprintf(p, end - p, " src_divs=["); 1151 p = generate_random_sgl_divisions(rng, cfg->src_divs, 1152 ARRAY_SIZE(cfg->src_divs), p, end, 1153 (cfg->finalization_type != 1154 FINALIZATION_TYPE_DIGEST), 1155 cfg->req_flags); 1156 p += scnprintf(p, end - p, "]"); 1157 1158 if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) { 1159 p += scnprintf(p, end - p, " dst_divs=["); 1160 p = generate_random_sgl_divisions(rng, cfg->dst_divs, 1161 ARRAY_SIZE(cfg->dst_divs), 1162 p, end, false, 1163 cfg->req_flags); 1164 p += scnprintf(p, end - p, "]"); 1165 } 1166 1167 if (prandom_bool(rng)) { 1168 cfg->iv_offset = prandom_u32_inclusive(rng, 1, 1169 MAX_ALGAPI_ALIGNMASK); 1170 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset); 1171 } 1172 1173 if (prandom_bool(rng)) { 1174 cfg->key_offset = prandom_u32_inclusive(rng, 1, 1175 MAX_ALGAPI_ALIGNMASK); 1176 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset); 1177 } 1178 1179 WARN_ON_ONCE(!valid_testvec_config(cfg)); 1180 } 1181 1182 static void crypto_disable_simd_for_test(void) 1183 { 1184 #ifdef CONFIG_CRYPTO_SELFTESTS_FULL 1185 migrate_disable(); 1186 __this_cpu_write(crypto_simd_disabled_for_test, true); 1187 #endif 1188 } 1189 1190 static void crypto_reenable_simd_for_test(void) 1191 { 1192 #ifdef CONFIG_CRYPTO_SELFTESTS_FULL 1193 __this_cpu_write(crypto_simd_disabled_for_test, false); 1194 migrate_enable(); 1195 #endif 1196 } 1197 1198 /* 1199 * Given an algorithm name, build the name of the generic implementation of that 1200 * algorithm, assuming the usual naming convention. Specifically, this appends 1201 * "-generic" to every part of the name that is not a template name. Examples: 1202 * 1203 * aes => aes-generic 1204 * cbc(aes) => cbc(aes-generic) 1205 * cts(cbc(aes)) => cts(cbc(aes-generic)) 1206 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic) 1207 * 1208 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long 1209 */ 1210 static int build_generic_driver_name(const char *algname, 1211 char driver_name[CRYPTO_MAX_ALG_NAME]) 1212 { 1213 const char *in = algname; 1214 char *out = driver_name; 1215 size_t len = strlen(algname); 1216 1217 if (len >= CRYPTO_MAX_ALG_NAME) 1218 goto too_long; 1219 do { 1220 const char *in_saved = in; 1221 1222 while (*in && *in != '(' && *in != ')' && *in != ',') 1223 *out++ = *in++; 1224 if (*in != '(' && in > in_saved) { 1225 len += 8; 1226 if (len >= CRYPTO_MAX_ALG_NAME) 1227 goto too_long; 1228 memcpy(out, "-generic", 8); 1229 out += 8; 1230 } 1231 } while ((*out++ = *in++) != '\0'); 1232 return 0; 1233 1234 too_long: 1235 pr_err("alg: generic driver name for \"%s\" would be too long\n", 1236 algname); 1237 return -ENAMETOOLONG; 1238 } 1239 1240 static int build_hash_sglist(struct test_sglist *tsgl, 1241 const struct hash_testvec *vec, 1242 const struct testvec_config *cfg, 1243 unsigned int alignmask, 1244 const struct test_sg_division *divs[XBUFSIZE]) 1245 { 1246 struct kvec kv; 1247 struct iov_iter input; 1248 1249 kv.iov_base = (void *)vec->plaintext; 1250 kv.iov_len = vec->psize; 1251 iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize); 1252 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize, 1253 &input, divs); 1254 } 1255 1256 static int check_hash_result(const char *type, 1257 const u8 *result, unsigned int digestsize, 1258 const struct hash_testvec *vec, 1259 const char *vec_name, 1260 const char *driver, 1261 const struct testvec_config *cfg) 1262 { 1263 if (memcmp(result, vec->digest, digestsize) != 0) { 1264 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 1265 type, driver, vec_name, cfg->name); 1266 return -EINVAL; 1267 } 1268 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) { 1269 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n", 1270 type, driver, vec_name, cfg->name); 1271 return -EOVERFLOW; 1272 } 1273 return 0; 1274 } 1275 1276 static inline int check_shash_op(const char *op, int err, 1277 const char *driver, const char *vec_name, 1278 const struct testvec_config *cfg) 1279 { 1280 if (err) 1281 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1282 driver, op, err, vec_name, cfg->name); 1283 return err; 1284 } 1285 1286 /* Test one hash test vector in one configuration, using the shash API */ 1287 static int test_shash_vec_cfg(const struct hash_testvec *vec, 1288 const char *vec_name, 1289 const struct testvec_config *cfg, 1290 struct shash_desc *desc, 1291 struct test_sglist *tsgl, 1292 u8 *hashstate) 1293 { 1294 struct crypto_shash *tfm = desc->tfm; 1295 const unsigned int digestsize = crypto_shash_digestsize(tfm); 1296 const unsigned int statesize = crypto_shash_statesize(tfm); 1297 const char *driver = crypto_shash_driver_name(tfm); 1298 const struct test_sg_division *divs[XBUFSIZE]; 1299 unsigned int i; 1300 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1301 int err; 1302 1303 /* Set the key, if specified */ 1304 if (vec->ksize) { 1305 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize, 1306 cfg, 0); 1307 if (err) { 1308 if (err == vec->setkey_error) 1309 return 0; 1310 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1311 driver, vec_name, vec->setkey_error, err, 1312 crypto_shash_get_flags(tfm)); 1313 return err; 1314 } 1315 if (vec->setkey_error) { 1316 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1317 driver, vec_name, vec->setkey_error); 1318 return -EINVAL; 1319 } 1320 } 1321 1322 /* Build the scatterlist for the source data */ 1323 err = build_hash_sglist(tsgl, vec, cfg, 0, divs); 1324 if (err) { 1325 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1326 driver, vec_name, cfg->name); 1327 return err; 1328 } 1329 1330 /* Do the actual hashing */ 1331 1332 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1333 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1334 1335 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1336 vec->digest_error) { 1337 /* Just using digest() */ 1338 if (tsgl->nents != 1) 1339 return 0; 1340 if (cfg->nosimd) 1341 crypto_disable_simd_for_test(); 1342 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]), 1343 tsgl->sgl[0].length, result); 1344 if (cfg->nosimd) 1345 crypto_reenable_simd_for_test(); 1346 if (err) { 1347 if (err == vec->digest_error) 1348 return 0; 1349 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1350 driver, vec_name, vec->digest_error, err, 1351 cfg->name); 1352 return err; 1353 } 1354 if (vec->digest_error) { 1355 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1356 driver, vec_name, vec->digest_error, cfg->name); 1357 return -EINVAL; 1358 } 1359 goto result_ready; 1360 } 1361 1362 /* Using init(), zero or more update(), then final() or finup() */ 1363 1364 if (cfg->nosimd) 1365 crypto_disable_simd_for_test(); 1366 err = crypto_shash_init(desc); 1367 if (cfg->nosimd) 1368 crypto_reenable_simd_for_test(); 1369 err = check_shash_op("init", err, driver, vec_name, cfg); 1370 if (err) 1371 return err; 1372 1373 for (i = 0; i < tsgl->nents; i++) { 1374 if (i + 1 == tsgl->nents && 1375 cfg->finalization_type == FINALIZATION_TYPE_FINUP) { 1376 if (divs[i]->nosimd) 1377 crypto_disable_simd_for_test(); 1378 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]), 1379 tsgl->sgl[i].length, result); 1380 if (divs[i]->nosimd) 1381 crypto_reenable_simd_for_test(); 1382 err = check_shash_op("finup", err, driver, vec_name, 1383 cfg); 1384 if (err) 1385 return err; 1386 goto result_ready; 1387 } 1388 if (divs[i]->nosimd) 1389 crypto_disable_simd_for_test(); 1390 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]), 1391 tsgl->sgl[i].length); 1392 if (divs[i]->nosimd) 1393 crypto_reenable_simd_for_test(); 1394 err = check_shash_op("update", err, driver, vec_name, cfg); 1395 if (err) 1396 return err; 1397 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1398 /* Test ->export() and ->import() */ 1399 testmgr_poison(hashstate + statesize, 1400 TESTMGR_POISON_LEN); 1401 err = crypto_shash_export(desc, hashstate); 1402 err = check_shash_op("export", err, driver, vec_name, 1403 cfg); 1404 if (err) 1405 return err; 1406 if (!testmgr_is_poison(hashstate + statesize, 1407 TESTMGR_POISON_LEN)) { 1408 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1409 driver, vec_name, cfg->name); 1410 return -EOVERFLOW; 1411 } 1412 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1413 err = crypto_shash_import(desc, hashstate); 1414 err = check_shash_op("import", err, driver, vec_name, 1415 cfg); 1416 if (err) 1417 return err; 1418 } 1419 } 1420 1421 if (cfg->nosimd) 1422 crypto_disable_simd_for_test(); 1423 err = crypto_shash_final(desc, result); 1424 if (cfg->nosimd) 1425 crypto_reenable_simd_for_test(); 1426 err = check_shash_op("final", err, driver, vec_name, cfg); 1427 if (err) 1428 return err; 1429 result_ready: 1430 return check_hash_result("shash", result, digestsize, vec, vec_name, 1431 driver, cfg); 1432 } 1433 1434 static int do_ahash_op(int (*op)(struct ahash_request *req), 1435 struct ahash_request *req, 1436 struct crypto_wait *wait, bool nosimd) 1437 { 1438 int err; 1439 1440 if (nosimd) 1441 crypto_disable_simd_for_test(); 1442 1443 err = op(req); 1444 1445 if (nosimd) 1446 crypto_reenable_simd_for_test(); 1447 1448 return crypto_wait_req(err, wait); 1449 } 1450 1451 static int check_nonfinal_ahash_op(const char *op, int err, 1452 u8 *result, unsigned int digestsize, 1453 const char *driver, const char *vec_name, 1454 const struct testvec_config *cfg) 1455 { 1456 if (err) { 1457 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1458 driver, op, err, vec_name, cfg->name); 1459 return err; 1460 } 1461 if (!testmgr_is_poison(result, digestsize)) { 1462 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n", 1463 driver, op, vec_name, cfg->name); 1464 return -EINVAL; 1465 } 1466 return 0; 1467 } 1468 1469 /* Test one hash test vector in one configuration, using the ahash API */ 1470 static int test_ahash_vec_cfg(const struct hash_testvec *vec, 1471 const char *vec_name, 1472 const struct testvec_config *cfg, 1473 struct ahash_request *req, 1474 struct test_sglist *tsgl, 1475 u8 *hashstate) 1476 { 1477 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1478 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1479 const unsigned int statesize = crypto_ahash_statesize(tfm); 1480 const char *driver = crypto_ahash_driver_name(tfm); 1481 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1482 const struct test_sg_division *divs[XBUFSIZE]; 1483 DECLARE_CRYPTO_WAIT(wait); 1484 unsigned int i; 1485 struct scatterlist *pending_sgl; 1486 unsigned int pending_len; 1487 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1488 int err; 1489 1490 /* Set the key, if specified */ 1491 if (vec->ksize) { 1492 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize, 1493 cfg, 0); 1494 if (err) { 1495 if (err == vec->setkey_error) 1496 return 0; 1497 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1498 driver, vec_name, vec->setkey_error, err, 1499 crypto_ahash_get_flags(tfm)); 1500 return err; 1501 } 1502 if (vec->setkey_error) { 1503 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1504 driver, vec_name, vec->setkey_error); 1505 return -EINVAL; 1506 } 1507 } 1508 1509 /* Build the scatterlist for the source data */ 1510 err = build_hash_sglist(tsgl, vec, cfg, 0, divs); 1511 if (err) { 1512 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1513 driver, vec_name, cfg->name); 1514 return err; 1515 } 1516 1517 /* Do the actual hashing */ 1518 1519 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1520 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1521 1522 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1523 vec->digest_error) { 1524 /* Just using digest() */ 1525 ahash_request_set_callback(req, req_flags, crypto_req_done, 1526 &wait); 1527 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize); 1528 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd); 1529 if (err) { 1530 if (err == vec->digest_error) 1531 return 0; 1532 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1533 driver, vec_name, vec->digest_error, err, 1534 cfg->name); 1535 return err; 1536 } 1537 if (vec->digest_error) { 1538 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1539 driver, vec_name, vec->digest_error, cfg->name); 1540 return -EINVAL; 1541 } 1542 goto result_ready; 1543 } 1544 1545 /* Using init(), zero or more update(), then final() or finup() */ 1546 1547 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1548 ahash_request_set_crypt(req, NULL, result, 0); 1549 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd); 1550 err = check_nonfinal_ahash_op("init", err, result, digestsize, 1551 driver, vec_name, cfg); 1552 if (err) 1553 return err; 1554 1555 pending_sgl = NULL; 1556 pending_len = 0; 1557 for (i = 0; i < tsgl->nents; i++) { 1558 if (divs[i]->flush_type != FLUSH_TYPE_NONE && 1559 pending_sgl != NULL) { 1560 /* update() with the pending data */ 1561 ahash_request_set_callback(req, req_flags, 1562 crypto_req_done, &wait); 1563 ahash_request_set_crypt(req, pending_sgl, result, 1564 pending_len); 1565 err = do_ahash_op(crypto_ahash_update, req, &wait, 1566 divs[i]->nosimd); 1567 err = check_nonfinal_ahash_op("update", err, 1568 result, digestsize, 1569 driver, vec_name, cfg); 1570 if (err) 1571 return err; 1572 pending_sgl = NULL; 1573 pending_len = 0; 1574 } 1575 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1576 /* Test ->export() and ->import() */ 1577 testmgr_poison(hashstate + statesize, 1578 TESTMGR_POISON_LEN); 1579 err = crypto_ahash_export(req, hashstate); 1580 err = check_nonfinal_ahash_op("export", err, 1581 result, digestsize, 1582 driver, vec_name, cfg); 1583 if (err) 1584 return err; 1585 if (!testmgr_is_poison(hashstate + statesize, 1586 TESTMGR_POISON_LEN)) { 1587 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1588 driver, vec_name, cfg->name); 1589 return -EOVERFLOW; 1590 } 1591 1592 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1593 err = crypto_ahash_import(req, hashstate); 1594 err = check_nonfinal_ahash_op("import", err, 1595 result, digestsize, 1596 driver, vec_name, cfg); 1597 if (err) 1598 return err; 1599 } 1600 if (pending_sgl == NULL) 1601 pending_sgl = &tsgl->sgl[i]; 1602 pending_len += tsgl->sgl[i].length; 1603 } 1604 1605 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1606 ahash_request_set_crypt(req, pending_sgl, result, pending_len); 1607 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) { 1608 /* finish with update() and final() */ 1609 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd); 1610 err = check_nonfinal_ahash_op("update", err, result, digestsize, 1611 driver, vec_name, cfg); 1612 if (err) 1613 return err; 1614 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd); 1615 if (err) { 1616 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n", 1617 driver, err, vec_name, cfg->name); 1618 return err; 1619 } 1620 } else { 1621 /* finish with finup() */ 1622 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd); 1623 if (err) { 1624 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n", 1625 driver, err, vec_name, cfg->name); 1626 return err; 1627 } 1628 } 1629 1630 result_ready: 1631 return check_hash_result("ahash", result, digestsize, vec, vec_name, 1632 driver, cfg); 1633 } 1634 1635 static int test_hash_vec_cfg(const struct hash_testvec *vec, 1636 const char *vec_name, 1637 const struct testvec_config *cfg, 1638 struct ahash_request *req, 1639 struct shash_desc *desc, 1640 struct test_sglist *tsgl, 1641 u8 *hashstate) 1642 { 1643 int err; 1644 1645 /* 1646 * For algorithms implemented as "shash", most bugs will be detected by 1647 * both the shash and ahash tests. Test the shash API first so that the 1648 * failures involve less indirection, so are easier to debug. 1649 */ 1650 1651 if (desc) { 1652 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl, 1653 hashstate); 1654 if (err) 1655 return err; 1656 } 1657 1658 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate); 1659 } 1660 1661 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num, 1662 struct ahash_request *req, struct shash_desc *desc, 1663 struct test_sglist *tsgl, u8 *hashstate) 1664 { 1665 char vec_name[16]; 1666 unsigned int i; 1667 int err; 1668 1669 sprintf(vec_name, "%u", vec_num); 1670 1671 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) { 1672 err = test_hash_vec_cfg(vec, vec_name, 1673 &default_hash_testvec_configs[i], 1674 req, desc, tsgl, hashstate); 1675 if (err) 1676 return err; 1677 } 1678 1679 if (!noslowtests) { 1680 struct rnd_state rng; 1681 struct testvec_config cfg; 1682 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1683 1684 init_rnd_state(&rng); 1685 1686 for (i = 0; i < fuzz_iterations; i++) { 1687 generate_random_testvec_config(&rng, &cfg, cfgname, 1688 sizeof(cfgname)); 1689 err = test_hash_vec_cfg(vec, vec_name, &cfg, 1690 req, desc, tsgl, hashstate); 1691 if (err) 1692 return err; 1693 cond_resched(); 1694 } 1695 } 1696 return 0; 1697 } 1698 1699 /* 1700 * Generate a hash test vector from the given implementation. 1701 * Assumes the buffers in 'vec' were already allocated. 1702 */ 1703 static void generate_random_hash_testvec(struct rnd_state *rng, 1704 struct ahash_request *req, 1705 struct hash_testvec *vec, 1706 unsigned int maxkeysize, 1707 unsigned int maxdatasize, 1708 char *name, size_t max_namelen) 1709 { 1710 /* Data */ 1711 vec->psize = generate_random_length(rng, maxdatasize); 1712 generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize); 1713 1714 /* 1715 * Key: length in range [1, maxkeysize], but usually choose maxkeysize. 1716 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0. 1717 */ 1718 vec->setkey_error = 0; 1719 vec->ksize = 0; 1720 if (maxkeysize) { 1721 vec->ksize = maxkeysize; 1722 if (prandom_u32_below(rng, 4) == 0) 1723 vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize); 1724 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize); 1725 1726 vec->setkey_error = crypto_ahash_setkey( 1727 crypto_ahash_reqtfm(req), vec->key, vec->ksize); 1728 /* If the key couldn't be set, no need to continue to digest. */ 1729 if (vec->setkey_error) 1730 goto done; 1731 } 1732 1733 /* Digest */ 1734 vec->digest_error = crypto_hash_digest( 1735 crypto_ahash_reqtfm(req), vec->plaintext, 1736 vec->psize, (u8 *)vec->digest); 1737 done: 1738 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"", 1739 vec->psize, vec->ksize); 1740 } 1741 1742 /* 1743 * Test the hash algorithm represented by @req against the corresponding generic 1744 * implementation, if one is available. 1745 */ 1746 static int test_hash_vs_generic_impl(const char *generic_driver, 1747 unsigned int maxkeysize, 1748 struct ahash_request *req, 1749 struct shash_desc *desc, 1750 struct test_sglist *tsgl, 1751 u8 *hashstate) 1752 { 1753 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1754 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1755 const unsigned int blocksize = crypto_ahash_blocksize(tfm); 1756 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 1757 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name; 1758 const char *driver = crypto_ahash_driver_name(tfm); 1759 struct rnd_state rng; 1760 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 1761 struct ahash_request *generic_req = NULL; 1762 struct crypto_ahash *generic_tfm = NULL; 1763 unsigned int i; 1764 struct hash_testvec vec = { 0 }; 1765 char vec_name[64]; 1766 struct testvec_config *cfg; 1767 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1768 int err; 1769 1770 if (noslowtests) 1771 return 0; 1772 1773 init_rnd_state(&rng); 1774 1775 if (!generic_driver) { /* Use default naming convention? */ 1776 err = build_generic_driver_name(algname, _generic_driver); 1777 if (err) 1778 return err; 1779 generic_driver = _generic_driver; 1780 } 1781 1782 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 1783 return 0; 1784 1785 generic_tfm = crypto_alloc_ahash(generic_driver, 0, 0); 1786 if (IS_ERR(generic_tfm)) { 1787 err = PTR_ERR(generic_tfm); 1788 if (err == -ENOENT) { 1789 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n", 1790 driver, generic_driver); 1791 return 0; 1792 } 1793 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n", 1794 generic_driver, algname, err); 1795 return err; 1796 } 1797 1798 cfg = kzalloc_obj(*cfg); 1799 if (!cfg) { 1800 err = -ENOMEM; 1801 goto out; 1802 } 1803 1804 generic_req = ahash_request_alloc(generic_tfm, GFP_KERNEL); 1805 if (!generic_req) { 1806 err = -ENOMEM; 1807 goto out; 1808 } 1809 1810 /* Check the algorithm properties for consistency. */ 1811 1812 if (digestsize != crypto_ahash_digestsize(generic_tfm)) { 1813 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n", 1814 driver, digestsize, 1815 crypto_ahash_digestsize(generic_tfm)); 1816 err = -EINVAL; 1817 goto out; 1818 } 1819 1820 if (blocksize != crypto_ahash_blocksize(generic_tfm)) { 1821 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n", 1822 driver, blocksize, crypto_ahash_blocksize(generic_tfm)); 1823 err = -EINVAL; 1824 goto out; 1825 } 1826 1827 /* 1828 * Now generate test vectors using the generic implementation, and test 1829 * the other implementation against them. 1830 */ 1831 1832 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 1833 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL); 1834 vec.digest = kmalloc(digestsize, GFP_KERNEL); 1835 if (!vec.key || !vec.plaintext || !vec.digest) { 1836 err = -ENOMEM; 1837 goto out; 1838 } 1839 1840 for (i = 0; i < fuzz_iterations * 8; i++) { 1841 generate_random_hash_testvec(&rng, generic_req, &vec, 1842 maxkeysize, maxdatasize, 1843 vec_name, sizeof(vec_name)); 1844 generate_random_testvec_config(&rng, cfg, cfgname, 1845 sizeof(cfgname)); 1846 1847 err = test_hash_vec_cfg(&vec, vec_name, cfg, 1848 req, desc, tsgl, hashstate); 1849 if (err) 1850 goto out; 1851 cond_resched(); 1852 } 1853 err = 0; 1854 out: 1855 kfree(cfg); 1856 kfree(vec.key); 1857 kfree(vec.plaintext); 1858 kfree(vec.digest); 1859 ahash_request_free(generic_req); 1860 crypto_free_ahash(generic_tfm); 1861 return err; 1862 } 1863 1864 static int alloc_shash(const char *driver, u32 type, u32 mask, 1865 struct crypto_shash **tfm_ret, 1866 struct shash_desc **desc_ret) 1867 { 1868 struct crypto_shash *tfm; 1869 struct shash_desc *desc; 1870 1871 tfm = crypto_alloc_shash(driver, type, mask); 1872 if (IS_ERR(tfm)) { 1873 if (PTR_ERR(tfm) == -ENOENT || PTR_ERR(tfm) == -EEXIST) { 1874 /* 1875 * This algorithm is only available through the ahash 1876 * API, not the shash API, so skip the shash tests. 1877 */ 1878 return 0; 1879 } 1880 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n", 1881 driver, PTR_ERR(tfm)); 1882 return PTR_ERR(tfm); 1883 } 1884 1885 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL); 1886 if (!desc) { 1887 crypto_free_shash(tfm); 1888 return -ENOMEM; 1889 } 1890 desc->tfm = tfm; 1891 1892 *tfm_ret = tfm; 1893 *desc_ret = desc; 1894 return 0; 1895 } 1896 1897 static int __alg_test_hash(const struct hash_testvec *vecs, 1898 unsigned int num_vecs, const char *driver, 1899 u32 type, u32 mask, 1900 const char *generic_driver, unsigned int maxkeysize) 1901 { 1902 struct crypto_ahash *atfm = NULL; 1903 struct ahash_request *req = NULL; 1904 struct crypto_shash *stfm = NULL; 1905 struct shash_desc *desc = NULL; 1906 struct test_sglist *tsgl = NULL; 1907 u8 *hashstate = NULL; 1908 unsigned int statesize; 1909 unsigned int i; 1910 int err; 1911 1912 /* 1913 * Always test the ahash API. This works regardless of whether the 1914 * algorithm is implemented as ahash or shash. 1915 */ 1916 1917 atfm = crypto_alloc_ahash(driver, type, mask); 1918 if (IS_ERR(atfm)) { 1919 if (PTR_ERR(atfm) == -ENOENT) 1920 return 0; 1921 pr_err("alg: hash: failed to allocate transform for %s: %ld\n", 1922 driver, PTR_ERR(atfm)); 1923 return PTR_ERR(atfm); 1924 } 1925 driver = crypto_ahash_driver_name(atfm); 1926 1927 req = ahash_request_alloc(atfm, GFP_KERNEL); 1928 if (!req) { 1929 pr_err("alg: hash: failed to allocate request for %s\n", 1930 driver); 1931 err = -ENOMEM; 1932 goto out; 1933 } 1934 1935 /* 1936 * If available also test the shash API, to cover corner cases that may 1937 * be missed by testing the ahash API only. 1938 */ 1939 err = alloc_shash(driver, type, mask, &stfm, &desc); 1940 if (err) 1941 goto out; 1942 1943 tsgl = kmalloc_obj(*tsgl); 1944 if (!tsgl || init_test_sglist(tsgl) != 0) { 1945 pr_err("alg: hash: failed to allocate test buffers for %s\n", 1946 driver); 1947 kfree(tsgl); 1948 tsgl = NULL; 1949 err = -ENOMEM; 1950 goto out; 1951 } 1952 1953 statesize = crypto_ahash_statesize(atfm); 1954 if (stfm) 1955 statesize = max(statesize, crypto_shash_statesize(stfm)); 1956 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL); 1957 if (!hashstate) { 1958 pr_err("alg: hash: failed to allocate hash state buffer for %s\n", 1959 driver); 1960 err = -ENOMEM; 1961 goto out; 1962 } 1963 1964 for (i = 0; i < num_vecs; i++) { 1965 if (fips_enabled && vecs[i].fips_skip) 1966 continue; 1967 1968 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate); 1969 if (err) 1970 goto out; 1971 cond_resched(); 1972 } 1973 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req, 1974 desc, tsgl, hashstate); 1975 out: 1976 kfree(hashstate); 1977 if (tsgl) { 1978 destroy_test_sglist(tsgl); 1979 kfree(tsgl); 1980 } 1981 kfree(desc); 1982 crypto_free_shash(stfm); 1983 ahash_request_free(req); 1984 crypto_free_ahash(atfm); 1985 return err; 1986 } 1987 1988 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver, 1989 u32 type, u32 mask) 1990 { 1991 const struct hash_testvec *template = desc->suite.hash.vecs; 1992 unsigned int tcount = desc->suite.hash.count; 1993 unsigned int nr_unkeyed, nr_keyed; 1994 unsigned int maxkeysize = 0; 1995 int err; 1996 1997 /* 1998 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests 1999 * first, before setting a key on the tfm. To make this easier, we 2000 * require that the unkeyed test vectors (if any) are listed first. 2001 */ 2002 2003 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) { 2004 if (template[nr_unkeyed].ksize) 2005 break; 2006 } 2007 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) { 2008 if (!template[nr_unkeyed + nr_keyed].ksize) { 2009 pr_err("alg: hash: test vectors for %s out of order, " 2010 "unkeyed ones must come first\n", desc->alg); 2011 return -EINVAL; 2012 } 2013 maxkeysize = max_t(unsigned int, maxkeysize, 2014 template[nr_unkeyed + nr_keyed].ksize); 2015 } 2016 2017 err = 0; 2018 if (nr_unkeyed) { 2019 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask, 2020 desc->generic_driver, maxkeysize); 2021 template += nr_unkeyed; 2022 } 2023 2024 if (!err && nr_keyed) 2025 err = __alg_test_hash(template, nr_keyed, driver, type, mask, 2026 desc->generic_driver, maxkeysize); 2027 2028 return err; 2029 } 2030 2031 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec, 2032 const char *vec_name, 2033 const struct testvec_config *cfg, 2034 struct aead_request *req, 2035 struct cipher_test_sglists *tsgls) 2036 { 2037 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2038 const unsigned int alignmask = crypto_aead_alignmask(tfm); 2039 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2040 const unsigned int authsize = vec->clen - vec->plen; 2041 const char *driver = crypto_aead_driver_name(tfm); 2042 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 2043 const char *op = enc ? "encryption" : "decryption"; 2044 DECLARE_CRYPTO_WAIT(wait); 2045 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 2046 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 2047 cfg->iv_offset + 2048 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 2049 struct kvec input[2]; 2050 int err; 2051 2052 /* Set the key */ 2053 if (vec->wk) 2054 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2055 else 2056 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2057 2058 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen, 2059 cfg, alignmask); 2060 if (err && err != vec->setkey_error) { 2061 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2062 driver, vec_name, vec->setkey_error, err, 2063 crypto_aead_get_flags(tfm)); 2064 return err; 2065 } 2066 if (!err && vec->setkey_error) { 2067 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2068 driver, vec_name, vec->setkey_error); 2069 return -EINVAL; 2070 } 2071 2072 /* Set the authentication tag size */ 2073 err = crypto_aead_setauthsize(tfm, authsize); 2074 if (err && err != vec->setauthsize_error) { 2075 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n", 2076 driver, vec_name, vec->setauthsize_error, err); 2077 return err; 2078 } 2079 if (!err && vec->setauthsize_error) { 2080 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n", 2081 driver, vec_name, vec->setauthsize_error); 2082 return -EINVAL; 2083 } 2084 2085 if (vec->setkey_error || vec->setauthsize_error) 2086 return 0; 2087 2088 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2089 if (WARN_ON(ivsize > MAX_IVLEN)) 2090 return -EINVAL; 2091 if (vec->iv) 2092 memcpy(iv, vec->iv, ivsize); 2093 else 2094 memset(iv, 0, ivsize); 2095 2096 /* Build the src/dst scatterlists */ 2097 input[0].iov_base = (void *)vec->assoc; 2098 input[0].iov_len = vec->alen; 2099 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2100 input[1].iov_len = enc ? vec->plen : vec->clen; 2101 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2102 vec->alen + (enc ? vec->plen : 2103 vec->clen), 2104 vec->alen + (enc ? vec->clen : 2105 vec->plen), 2106 input, 2); 2107 if (err) { 2108 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2109 driver, op, vec_name, cfg->name); 2110 return err; 2111 } 2112 2113 /* Do the actual encryption or decryption */ 2114 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm)); 2115 aead_request_set_callback(req, req_flags, crypto_req_done, &wait); 2116 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2117 enc ? vec->plen : vec->clen, iv); 2118 aead_request_set_ad(req, vec->alen); 2119 if (cfg->nosimd) 2120 crypto_disable_simd_for_test(); 2121 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req); 2122 if (cfg->nosimd) 2123 crypto_reenable_simd_for_test(); 2124 err = crypto_wait_req(err, &wait); 2125 2126 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2127 if (req->cryptlen != (enc ? vec->plen : vec->clen) || 2128 req->assoclen != vec->alen || 2129 req->iv != iv || 2130 req->src != tsgls->src.sgl_ptr || 2131 req->dst != tsgls->dst.sgl_ptr || 2132 crypto_aead_reqtfm(req) != tfm || 2133 req->base.complete != crypto_req_done || 2134 req->base.flags != req_flags || 2135 req->base.data != &wait) { 2136 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2137 driver, op, vec_name, cfg->name); 2138 if (req->cryptlen != (enc ? vec->plen : vec->clen)) 2139 pr_err("alg: aead: changed 'req->cryptlen'\n"); 2140 if (req->assoclen != vec->alen) 2141 pr_err("alg: aead: changed 'req->assoclen'\n"); 2142 if (req->iv != iv) 2143 pr_err("alg: aead: changed 'req->iv'\n"); 2144 if (req->src != tsgls->src.sgl_ptr) 2145 pr_err("alg: aead: changed 'req->src'\n"); 2146 if (req->dst != tsgls->dst.sgl_ptr) 2147 pr_err("alg: aead: changed 'req->dst'\n"); 2148 if (crypto_aead_reqtfm(req) != tfm) 2149 pr_err("alg: aead: changed 'req->base.tfm'\n"); 2150 if (req->base.complete != crypto_req_done) 2151 pr_err("alg: aead: changed 'req->base.complete'\n"); 2152 if (req->base.flags != req_flags) 2153 pr_err("alg: aead: changed 'req->base.flags'\n"); 2154 if (req->base.data != &wait) 2155 pr_err("alg: aead: changed 'req->base.data'\n"); 2156 return -EINVAL; 2157 } 2158 if (is_test_sglist_corrupted(&tsgls->src)) { 2159 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2160 driver, op, vec_name, cfg->name); 2161 return -EINVAL; 2162 } 2163 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2164 is_test_sglist_corrupted(&tsgls->dst)) { 2165 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2166 driver, op, vec_name, cfg->name); 2167 return -EINVAL; 2168 } 2169 2170 /* Check for unexpected success or failure, or wrong error code */ 2171 if ((err == 0 && vec->novrfy) || 2172 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) { 2173 char expected_error[32]; 2174 2175 if (vec->novrfy && 2176 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG) 2177 sprintf(expected_error, "-EBADMSG or %d", 2178 vec->crypt_error); 2179 else if (vec->novrfy) 2180 sprintf(expected_error, "-EBADMSG"); 2181 else 2182 sprintf(expected_error, "%d", vec->crypt_error); 2183 if (err) { 2184 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n", 2185 driver, op, vec_name, expected_error, err, 2186 cfg->name); 2187 return err; 2188 } 2189 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n", 2190 driver, op, vec_name, expected_error, cfg->name); 2191 return -EINVAL; 2192 } 2193 if (err) /* Expectedly failed. */ 2194 return 0; 2195 2196 /* Check for the correct output (ciphertext or plaintext) */ 2197 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2198 enc ? vec->clen : vec->plen, 2199 vec->alen, 2200 enc || cfg->inplace_mode == OUT_OF_PLACE); 2201 if (err == -EOVERFLOW) { 2202 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2203 driver, op, vec_name, cfg->name); 2204 return err; 2205 } 2206 if (err) { 2207 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2208 driver, op, vec_name, cfg->name); 2209 return err; 2210 } 2211 2212 return 0; 2213 } 2214 2215 static int test_aead_vec(int enc, const struct aead_testvec *vec, 2216 unsigned int vec_num, struct aead_request *req, 2217 struct cipher_test_sglists *tsgls) 2218 { 2219 char vec_name[16]; 2220 unsigned int i; 2221 int err; 2222 2223 if (enc && vec->novrfy) 2224 return 0; 2225 2226 sprintf(vec_name, "%u", vec_num); 2227 2228 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2229 err = test_aead_vec_cfg(enc, vec, vec_name, 2230 &default_cipher_testvec_configs[i], 2231 req, tsgls); 2232 if (err) 2233 return err; 2234 } 2235 2236 if (!noslowtests) { 2237 struct rnd_state rng; 2238 struct testvec_config cfg; 2239 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2240 2241 init_rnd_state(&rng); 2242 2243 for (i = 0; i < fuzz_iterations; i++) { 2244 generate_random_testvec_config(&rng, &cfg, cfgname, 2245 sizeof(cfgname)); 2246 err = test_aead_vec_cfg(enc, vec, vec_name, 2247 &cfg, req, tsgls); 2248 if (err) 2249 return err; 2250 cond_resched(); 2251 } 2252 } 2253 return 0; 2254 } 2255 2256 struct aead_slow_tests_ctx { 2257 struct rnd_state rng; 2258 struct aead_request *req; 2259 struct crypto_aead *tfm; 2260 const struct alg_test_desc *test_desc; 2261 struct cipher_test_sglists *tsgls; 2262 unsigned int maxdatasize; 2263 unsigned int maxkeysize; 2264 2265 struct aead_testvec vec; 2266 char vec_name[64]; 2267 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2268 struct testvec_config cfg; 2269 }; 2270 2271 /* 2272 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext" 2273 * here means the full ciphertext including the authentication tag. The 2274 * authentication tag (and hence also the ciphertext) is assumed to be nonempty. 2275 */ 2276 static void mutate_aead_message(struct rnd_state *rng, 2277 struct aead_testvec *vec, bool aad_iv, 2278 unsigned int ivsize) 2279 { 2280 const unsigned int aad_tail_size = aad_iv ? ivsize : 0; 2281 const unsigned int authsize = vec->clen - vec->plen; 2282 2283 if (prandom_bool(rng) && vec->alen > aad_tail_size) { 2284 /* Mutate the AAD */ 2285 flip_random_bit(rng, (u8 *)vec->assoc, 2286 vec->alen - aad_tail_size); 2287 if (prandom_bool(rng)) 2288 return; 2289 } 2290 if (prandom_bool(rng)) { 2291 /* Mutate auth tag (assuming it's at the end of ciphertext) */ 2292 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize); 2293 } else { 2294 /* Mutate any part of the ciphertext */ 2295 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen); 2296 } 2297 } 2298 2299 /* 2300 * Minimum authentication tag size in bytes at which we assume that we can 2301 * reliably generate inauthentic messages, i.e. not generate an authentic 2302 * message by chance. 2303 */ 2304 #define MIN_COLLISION_FREE_AUTHSIZE 8 2305 2306 static void generate_aead_message(struct rnd_state *rng, 2307 struct aead_request *req, 2308 const struct aead_test_suite *suite, 2309 struct aead_testvec *vec, 2310 bool prefer_inauthentic) 2311 { 2312 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2313 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2314 const unsigned int authsize = vec->clen - vec->plen; 2315 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) && 2316 (prefer_inauthentic || 2317 prandom_u32_below(rng, 4) == 0); 2318 2319 /* Generate the AAD. */ 2320 generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen); 2321 if (suite->aad_iv && vec->alen >= ivsize) 2322 /* Avoid implementation-defined behavior. */ 2323 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize); 2324 2325 if (inauthentic && prandom_bool(rng)) { 2326 /* Generate a random ciphertext. */ 2327 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen); 2328 } else { 2329 int i = 0; 2330 struct scatterlist src[2], dst; 2331 u8 iv[MAX_IVLEN]; 2332 DECLARE_CRYPTO_WAIT(wait); 2333 2334 /* Generate a random plaintext and encrypt it. */ 2335 sg_init_table(src, 2); 2336 if (vec->alen) 2337 sg_set_buf(&src[i++], vec->assoc, vec->alen); 2338 if (vec->plen) { 2339 generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen); 2340 sg_set_buf(&src[i++], vec->ptext, vec->plen); 2341 } 2342 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen); 2343 memcpy(iv, vec->iv, ivsize); 2344 aead_request_set_callback(req, 0, crypto_req_done, &wait); 2345 aead_request_set_crypt(req, src, &dst, vec->plen, iv); 2346 aead_request_set_ad(req, vec->alen); 2347 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req), 2348 &wait); 2349 /* If encryption failed, we're done. */ 2350 if (vec->crypt_error != 0) 2351 return; 2352 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen); 2353 if (!inauthentic) 2354 return; 2355 /* 2356 * Mutate the authentic (ciphertext, AAD) pair to get an 2357 * inauthentic one. 2358 */ 2359 mutate_aead_message(rng, vec, suite->aad_iv, ivsize); 2360 } 2361 vec->novrfy = 1; 2362 if (suite->einval_allowed) 2363 vec->crypt_error = -EINVAL; 2364 } 2365 2366 /* 2367 * Generate an AEAD test vector 'vec' using the implementation specified by 2368 * 'req'. The buffers in 'vec' must already be allocated. 2369 * 2370 * If 'prefer_inauthentic' is true, then this function will generate inauthentic 2371 * test vectors (i.e. vectors with 'vec->novrfy=1') more often. 2372 */ 2373 static void generate_random_aead_testvec(struct rnd_state *rng, 2374 struct aead_request *req, 2375 struct aead_testvec *vec, 2376 const struct aead_test_suite *suite, 2377 unsigned int maxkeysize, 2378 unsigned int maxdatasize, 2379 char *name, size_t max_namelen, 2380 bool prefer_inauthentic) 2381 { 2382 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2383 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2384 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm); 2385 unsigned int authsize; 2386 unsigned int total_len; 2387 2388 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 2389 vec->klen = maxkeysize; 2390 if (prandom_u32_below(rng, 4) == 0) 2391 vec->klen = prandom_u32_below(rng, maxkeysize + 1); 2392 generate_random_bytes(rng, (u8 *)vec->key, vec->klen); 2393 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen); 2394 2395 /* IV */ 2396 generate_random_bytes(rng, (u8 *)vec->iv, ivsize); 2397 2398 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */ 2399 authsize = maxauthsize; 2400 if (prandom_u32_below(rng, 4) == 0) 2401 authsize = prandom_u32_below(rng, maxauthsize + 1); 2402 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE) 2403 authsize = MIN_COLLISION_FREE_AUTHSIZE; 2404 if (WARN_ON(authsize > maxdatasize)) 2405 authsize = maxdatasize; 2406 maxdatasize -= authsize; 2407 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize); 2408 2409 /* AAD, plaintext, and ciphertext lengths */ 2410 total_len = generate_random_length(rng, maxdatasize); 2411 if (prandom_u32_below(rng, 4) == 0) 2412 vec->alen = 0; 2413 else 2414 vec->alen = generate_random_length(rng, total_len); 2415 vec->plen = total_len - vec->alen; 2416 vec->clen = vec->plen + authsize; 2417 2418 /* 2419 * Generate the AAD, plaintext, and ciphertext. Not applicable if the 2420 * key or the authentication tag size couldn't be set. 2421 */ 2422 vec->novrfy = 0; 2423 vec->crypt_error = 0; 2424 if (vec->setkey_error == 0 && vec->setauthsize_error == 0) 2425 generate_aead_message(rng, req, suite, vec, prefer_inauthentic); 2426 snprintf(name, max_namelen, 2427 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"", 2428 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy); 2429 } 2430 2431 static void try_to_generate_inauthentic_testvec(struct aead_slow_tests_ctx *ctx) 2432 { 2433 int i; 2434 2435 for (i = 0; i < 10; i++) { 2436 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec, 2437 &ctx->test_desc->suite.aead, 2438 ctx->maxkeysize, ctx->maxdatasize, 2439 ctx->vec_name, 2440 sizeof(ctx->vec_name), true); 2441 if (ctx->vec.novrfy) 2442 return; 2443 } 2444 } 2445 2446 /* 2447 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the 2448 * result of an encryption with the key) and verify that decryption fails. 2449 */ 2450 static int test_aead_inauthentic_inputs(struct aead_slow_tests_ctx *ctx) 2451 { 2452 unsigned int i; 2453 int err; 2454 2455 for (i = 0; i < fuzz_iterations * 8; i++) { 2456 /* 2457 * Since this part of the tests isn't comparing the 2458 * implementation to another, there's no point in testing any 2459 * test vectors other than inauthentic ones (vec.novrfy=1) here. 2460 * 2461 * If we're having trouble generating such a test vector, e.g. 2462 * if the algorithm keeps rejecting the generated keys, don't 2463 * retry forever; just continue on. 2464 */ 2465 try_to_generate_inauthentic_testvec(ctx); 2466 if (ctx->vec.novrfy) { 2467 generate_random_testvec_config(&ctx->rng, &ctx->cfg, 2468 ctx->cfgname, 2469 sizeof(ctx->cfgname)); 2470 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2471 ctx->vec_name, &ctx->cfg, 2472 ctx->req, ctx->tsgls); 2473 if (err) 2474 return err; 2475 } 2476 cond_resched(); 2477 } 2478 return 0; 2479 } 2480 2481 /* 2482 * Test the AEAD algorithm against the corresponding generic implementation, if 2483 * one is available. 2484 */ 2485 static int test_aead_vs_generic_impl(struct aead_slow_tests_ctx *ctx) 2486 { 2487 struct crypto_aead *tfm = ctx->tfm; 2488 const char *algname = crypto_aead_alg(tfm)->base.cra_name; 2489 const char *driver = crypto_aead_driver_name(tfm); 2490 const char *generic_driver = ctx->test_desc->generic_driver; 2491 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 2492 struct crypto_aead *generic_tfm = NULL; 2493 struct aead_request *generic_req = NULL; 2494 unsigned int i; 2495 int err; 2496 2497 if (!generic_driver) { /* Use default naming convention? */ 2498 err = build_generic_driver_name(algname, _generic_driver); 2499 if (err) 2500 return err; 2501 generic_driver = _generic_driver; 2502 } 2503 2504 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 2505 return 0; 2506 2507 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0); 2508 if (IS_ERR(generic_tfm)) { 2509 err = PTR_ERR(generic_tfm); 2510 if (err == -ENOENT) { 2511 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n", 2512 driver, generic_driver); 2513 return 0; 2514 } 2515 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n", 2516 generic_driver, algname, err); 2517 return err; 2518 } 2519 2520 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL); 2521 if (!generic_req) { 2522 err = -ENOMEM; 2523 goto out; 2524 } 2525 2526 /* Check the algorithm properties for consistency. */ 2527 2528 if (crypto_aead_maxauthsize(tfm) != 2529 crypto_aead_maxauthsize(generic_tfm)) { 2530 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n", 2531 driver, crypto_aead_maxauthsize(tfm), 2532 crypto_aead_maxauthsize(generic_tfm)); 2533 err = -EINVAL; 2534 goto out; 2535 } 2536 2537 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) { 2538 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n", 2539 driver, crypto_aead_ivsize(tfm), 2540 crypto_aead_ivsize(generic_tfm)); 2541 err = -EINVAL; 2542 goto out; 2543 } 2544 2545 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) { 2546 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n", 2547 driver, crypto_aead_blocksize(tfm), 2548 crypto_aead_blocksize(generic_tfm)); 2549 err = -EINVAL; 2550 goto out; 2551 } 2552 2553 /* 2554 * Now generate test vectors using the generic implementation, and test 2555 * the other implementation against them. 2556 */ 2557 for (i = 0; i < fuzz_iterations * 8; i++) { 2558 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec, 2559 &ctx->test_desc->suite.aead, 2560 ctx->maxkeysize, ctx->maxdatasize, 2561 ctx->vec_name, 2562 sizeof(ctx->vec_name), false); 2563 generate_random_testvec_config(&ctx->rng, &ctx->cfg, 2564 ctx->cfgname, 2565 sizeof(ctx->cfgname)); 2566 if (!ctx->vec.novrfy) { 2567 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec, 2568 ctx->vec_name, &ctx->cfg, 2569 ctx->req, ctx->tsgls); 2570 if (err) 2571 goto out; 2572 } 2573 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) { 2574 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2575 ctx->vec_name, &ctx->cfg, 2576 ctx->req, ctx->tsgls); 2577 if (err) 2578 goto out; 2579 } 2580 cond_resched(); 2581 } 2582 err = 0; 2583 out: 2584 crypto_free_aead(generic_tfm); 2585 aead_request_free(generic_req); 2586 return err; 2587 } 2588 2589 static int test_aead_slow(const struct alg_test_desc *test_desc, 2590 struct aead_request *req, 2591 struct cipher_test_sglists *tsgls) 2592 { 2593 struct aead_slow_tests_ctx *ctx; 2594 unsigned int i; 2595 int err; 2596 2597 if (noslowtests) 2598 return 0; 2599 2600 ctx = kzalloc_obj(*ctx); 2601 if (!ctx) 2602 return -ENOMEM; 2603 init_rnd_state(&ctx->rng); 2604 ctx->req = req; 2605 ctx->tfm = crypto_aead_reqtfm(req); 2606 ctx->test_desc = test_desc; 2607 ctx->tsgls = tsgls; 2608 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 2609 ctx->maxkeysize = 0; 2610 for (i = 0; i < test_desc->suite.aead.count; i++) 2611 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize, 2612 test_desc->suite.aead.vecs[i].klen); 2613 2614 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL); 2615 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL); 2616 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2617 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2618 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2619 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc || 2620 !ctx->vec.ptext || !ctx->vec.ctext) { 2621 err = -ENOMEM; 2622 goto out; 2623 } 2624 2625 err = test_aead_vs_generic_impl(ctx); 2626 if (err) 2627 goto out; 2628 2629 err = test_aead_inauthentic_inputs(ctx); 2630 out: 2631 kfree(ctx->vec.key); 2632 kfree(ctx->vec.iv); 2633 kfree(ctx->vec.assoc); 2634 kfree(ctx->vec.ptext); 2635 kfree(ctx->vec.ctext); 2636 kfree(ctx); 2637 return err; 2638 } 2639 2640 static int test_aead(int enc, const struct aead_test_suite *suite, 2641 struct aead_request *req, 2642 struct cipher_test_sglists *tsgls) 2643 { 2644 unsigned int i; 2645 int err; 2646 2647 for (i = 0; i < suite->count; i++) { 2648 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls); 2649 if (err) 2650 return err; 2651 cond_resched(); 2652 } 2653 return 0; 2654 } 2655 2656 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, 2657 u32 type, u32 mask) 2658 { 2659 const struct aead_test_suite *suite = &desc->suite.aead; 2660 struct crypto_aead *tfm; 2661 struct aead_request *req = NULL; 2662 struct cipher_test_sglists *tsgls = NULL; 2663 int err; 2664 2665 if (suite->count <= 0) { 2666 pr_err("alg: aead: empty test suite for %s\n", driver); 2667 return -EINVAL; 2668 } 2669 2670 tfm = crypto_alloc_aead(driver, type, mask); 2671 if (IS_ERR(tfm)) { 2672 if (PTR_ERR(tfm) == -ENOENT) 2673 return 0; 2674 pr_err("alg: aead: failed to allocate transform for %s: %ld\n", 2675 driver, PTR_ERR(tfm)); 2676 return PTR_ERR(tfm); 2677 } 2678 driver = crypto_aead_driver_name(tfm); 2679 2680 req = aead_request_alloc(tfm, GFP_KERNEL); 2681 if (!req) { 2682 pr_err("alg: aead: failed to allocate request for %s\n", 2683 driver); 2684 err = -ENOMEM; 2685 goto out; 2686 } 2687 2688 tsgls = alloc_cipher_test_sglists(); 2689 if (!tsgls) { 2690 pr_err("alg: aead: failed to allocate test buffers for %s\n", 2691 driver); 2692 err = -ENOMEM; 2693 goto out; 2694 } 2695 2696 err = test_aead(ENCRYPT, suite, req, tsgls); 2697 if (err) 2698 goto out; 2699 2700 err = test_aead(DECRYPT, suite, req, tsgls); 2701 if (err) 2702 goto out; 2703 2704 err = test_aead_slow(desc, req, tsgls); 2705 out: 2706 free_cipher_test_sglists(tsgls); 2707 aead_request_free(req); 2708 crypto_free_aead(tfm); 2709 return err; 2710 } 2711 2712 static int test_cipher(struct crypto_cipher *tfm, int enc, 2713 const struct cipher_testvec *template, 2714 unsigned int tcount) 2715 { 2716 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm)); 2717 unsigned int i, j, k; 2718 char *q; 2719 const char *e; 2720 const char *input, *result; 2721 void *data; 2722 char *xbuf[XBUFSIZE]; 2723 int ret = -ENOMEM; 2724 2725 if (testmgr_alloc_buf(xbuf)) 2726 goto out_nobuf; 2727 2728 if (enc == ENCRYPT) 2729 e = "encryption"; 2730 else 2731 e = "decryption"; 2732 2733 j = 0; 2734 for (i = 0; i < tcount; i++) { 2735 2736 if (fips_enabled && template[i].fips_skip) 2737 continue; 2738 2739 input = enc ? template[i].ptext : template[i].ctext; 2740 result = enc ? template[i].ctext : template[i].ptext; 2741 j++; 2742 2743 ret = -EINVAL; 2744 if (WARN_ON(template[i].len > PAGE_SIZE)) 2745 goto out; 2746 2747 data = xbuf[0]; 2748 memcpy(data, input, template[i].len); 2749 2750 crypto_cipher_clear_flags(tfm, ~0); 2751 if (template[i].wk) 2752 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2753 2754 ret = crypto_cipher_setkey(tfm, template[i].key, 2755 template[i].klen); 2756 if (ret) { 2757 if (ret == template[i].setkey_error) 2758 continue; 2759 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n", 2760 algo, j, template[i].setkey_error, ret, 2761 crypto_cipher_get_flags(tfm)); 2762 goto out; 2763 } 2764 if (template[i].setkey_error) { 2765 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n", 2766 algo, j, template[i].setkey_error); 2767 ret = -EINVAL; 2768 goto out; 2769 } 2770 2771 for (k = 0; k < template[i].len; 2772 k += crypto_cipher_blocksize(tfm)) { 2773 if (enc) 2774 crypto_cipher_encrypt_one(tfm, data + k, 2775 data + k); 2776 else 2777 crypto_cipher_decrypt_one(tfm, data + k, 2778 data + k); 2779 } 2780 2781 q = data; 2782 if (memcmp(q, result, template[i].len)) { 2783 printk(KERN_ERR "alg: cipher: Test %d failed " 2784 "on %s for %s\n", j, e, algo); 2785 hexdump(q, template[i].len); 2786 ret = -EINVAL; 2787 goto out; 2788 } 2789 } 2790 2791 ret = 0; 2792 2793 out: 2794 testmgr_free_buf(xbuf); 2795 out_nobuf: 2796 return ret; 2797 } 2798 2799 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec, 2800 const char *vec_name, 2801 const struct testvec_config *cfg, 2802 struct skcipher_request *req, 2803 struct cipher_test_sglists *tsgls) 2804 { 2805 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 2806 const unsigned int alignmask = crypto_skcipher_alignmask(tfm); 2807 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 2808 const char *driver = crypto_skcipher_driver_name(tfm); 2809 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 2810 const char *op = enc ? "encryption" : "decryption"; 2811 DECLARE_CRYPTO_WAIT(wait); 2812 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 2813 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 2814 cfg->iv_offset + 2815 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 2816 struct kvec input; 2817 int err; 2818 2819 /* Set the key */ 2820 if (vec->wk) 2821 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2822 else 2823 crypto_skcipher_clear_flags(tfm, 2824 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2825 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen, 2826 cfg, alignmask); 2827 if (err) { 2828 if (err == vec->setkey_error) 2829 return 0; 2830 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2831 driver, vec_name, vec->setkey_error, err, 2832 crypto_skcipher_get_flags(tfm)); 2833 return err; 2834 } 2835 if (vec->setkey_error) { 2836 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2837 driver, vec_name, vec->setkey_error); 2838 return -EINVAL; 2839 } 2840 2841 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2842 if (ivsize) { 2843 if (WARN_ON(ivsize > MAX_IVLEN)) 2844 return -EINVAL; 2845 if (vec->iv) 2846 memcpy(iv, vec->iv, ivsize); 2847 else 2848 memset(iv, 0, ivsize); 2849 } else { 2850 iv = NULL; 2851 } 2852 2853 /* Build the src/dst scatterlists */ 2854 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2855 input.iov_len = vec->len; 2856 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2857 vec->len, vec->len, &input, 1); 2858 if (err) { 2859 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2860 driver, op, vec_name, cfg->name); 2861 return err; 2862 } 2863 2864 /* Do the actual encryption or decryption */ 2865 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm)); 2866 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait); 2867 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2868 vec->len, iv); 2869 if (cfg->nosimd) 2870 crypto_disable_simd_for_test(); 2871 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req); 2872 if (cfg->nosimd) 2873 crypto_reenable_simd_for_test(); 2874 err = crypto_wait_req(err, &wait); 2875 2876 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2877 if (req->cryptlen != vec->len || 2878 req->iv != iv || 2879 req->src != tsgls->src.sgl_ptr || 2880 req->dst != tsgls->dst.sgl_ptr || 2881 crypto_skcipher_reqtfm(req) != tfm || 2882 req->base.complete != crypto_req_done || 2883 req->base.flags != req_flags || 2884 req->base.data != &wait) { 2885 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2886 driver, op, vec_name, cfg->name); 2887 if (req->cryptlen != vec->len) 2888 pr_err("alg: skcipher: changed 'req->cryptlen'\n"); 2889 if (req->iv != iv) 2890 pr_err("alg: skcipher: changed 'req->iv'\n"); 2891 if (req->src != tsgls->src.sgl_ptr) 2892 pr_err("alg: skcipher: changed 'req->src'\n"); 2893 if (req->dst != tsgls->dst.sgl_ptr) 2894 pr_err("alg: skcipher: changed 'req->dst'\n"); 2895 if (crypto_skcipher_reqtfm(req) != tfm) 2896 pr_err("alg: skcipher: changed 'req->base.tfm'\n"); 2897 if (req->base.complete != crypto_req_done) 2898 pr_err("alg: skcipher: changed 'req->base.complete'\n"); 2899 if (req->base.flags != req_flags) 2900 pr_err("alg: skcipher: changed 'req->base.flags'\n"); 2901 if (req->base.data != &wait) 2902 pr_err("alg: skcipher: changed 'req->base.data'\n"); 2903 return -EINVAL; 2904 } 2905 if (is_test_sglist_corrupted(&tsgls->src)) { 2906 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2907 driver, op, vec_name, cfg->name); 2908 return -EINVAL; 2909 } 2910 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2911 is_test_sglist_corrupted(&tsgls->dst)) { 2912 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2913 driver, op, vec_name, cfg->name); 2914 return -EINVAL; 2915 } 2916 2917 /* Check for success or failure */ 2918 if (err) { 2919 if (err == vec->crypt_error) 2920 return 0; 2921 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 2922 driver, op, vec_name, vec->crypt_error, err, cfg->name); 2923 return err; 2924 } 2925 if (vec->crypt_error) { 2926 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 2927 driver, op, vec_name, vec->crypt_error, cfg->name); 2928 return -EINVAL; 2929 } 2930 2931 /* Check for the correct output (ciphertext or plaintext) */ 2932 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2933 vec->len, 0, true); 2934 if (err == -EOVERFLOW) { 2935 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2936 driver, op, vec_name, cfg->name); 2937 return err; 2938 } 2939 if (err) { 2940 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2941 driver, op, vec_name, cfg->name); 2942 return err; 2943 } 2944 2945 /* If applicable, check that the algorithm generated the correct IV */ 2946 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) { 2947 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n", 2948 driver, op, vec_name, cfg->name); 2949 hexdump(iv, ivsize); 2950 return -EINVAL; 2951 } 2952 2953 return 0; 2954 } 2955 2956 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec, 2957 unsigned int vec_num, 2958 struct skcipher_request *req, 2959 struct cipher_test_sglists *tsgls) 2960 { 2961 char vec_name[16]; 2962 unsigned int i; 2963 int err; 2964 2965 if (fips_enabled && vec->fips_skip) 2966 return 0; 2967 2968 sprintf(vec_name, "%u", vec_num); 2969 2970 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2971 err = test_skcipher_vec_cfg(enc, vec, vec_name, 2972 &default_cipher_testvec_configs[i], 2973 req, tsgls); 2974 if (err) 2975 return err; 2976 } 2977 2978 if (!noslowtests) { 2979 struct rnd_state rng; 2980 struct testvec_config cfg; 2981 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2982 2983 init_rnd_state(&rng); 2984 2985 for (i = 0; i < fuzz_iterations; i++) { 2986 generate_random_testvec_config(&rng, &cfg, cfgname, 2987 sizeof(cfgname)); 2988 err = test_skcipher_vec_cfg(enc, vec, vec_name, 2989 &cfg, req, tsgls); 2990 if (err) 2991 return err; 2992 cond_resched(); 2993 } 2994 } 2995 return 0; 2996 } 2997 2998 /* 2999 * Generate a symmetric cipher test vector from the given implementation. 3000 * Assumes the buffers in 'vec' were already allocated. 3001 */ 3002 static void generate_random_cipher_testvec(struct rnd_state *rng, 3003 struct skcipher_request *req, 3004 struct cipher_testvec *vec, 3005 unsigned int maxdatasize, 3006 char *name, size_t max_namelen) 3007 { 3008 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 3009 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 3010 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 3011 struct scatterlist src, dst; 3012 u8 iv[MAX_IVLEN]; 3013 DECLARE_CRYPTO_WAIT(wait); 3014 3015 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 3016 vec->klen = maxkeysize; 3017 if (prandom_u32_below(rng, 4) == 0) 3018 vec->klen = prandom_u32_below(rng, maxkeysize + 1); 3019 generate_random_bytes(rng, (u8 *)vec->key, vec->klen); 3020 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen); 3021 3022 /* IV */ 3023 generate_random_bytes(rng, (u8 *)vec->iv, ivsize); 3024 3025 /* Plaintext */ 3026 vec->len = generate_random_length(rng, maxdatasize); 3027 generate_random_bytes(rng, (u8 *)vec->ptext, vec->len); 3028 3029 /* If the key couldn't be set, no need to continue to encrypt. */ 3030 if (vec->setkey_error) 3031 goto done; 3032 3033 /* Ciphertext */ 3034 sg_init_one(&src, vec->ptext, vec->len); 3035 sg_init_one(&dst, vec->ctext, vec->len); 3036 memcpy(iv, vec->iv, ivsize); 3037 skcipher_request_set_callback(req, 0, crypto_req_done, &wait); 3038 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv); 3039 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait); 3040 if (vec->crypt_error != 0) { 3041 /* 3042 * The only acceptable error here is for an invalid length, so 3043 * skcipher decryption should fail with the same error too. 3044 * We'll test for this. But to keep the API usage well-defined, 3045 * explicitly initialize the ciphertext buffer too. 3046 */ 3047 memset((u8 *)vec->ctext, 0, vec->len); 3048 } 3049 done: 3050 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"", 3051 vec->len, vec->klen); 3052 } 3053 3054 /* 3055 * Test the skcipher algorithm represented by @req against the corresponding 3056 * generic implementation, if one is available. 3057 */ 3058 static int test_skcipher_vs_generic_impl(const char *generic_driver, 3059 struct skcipher_request *req, 3060 struct cipher_test_sglists *tsgls) 3061 { 3062 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 3063 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 3064 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 3065 const unsigned int blocksize = crypto_skcipher_blocksize(tfm); 3066 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 3067 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name; 3068 const char *driver = crypto_skcipher_driver_name(tfm); 3069 struct rnd_state rng; 3070 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 3071 struct crypto_skcipher *generic_tfm = NULL; 3072 struct skcipher_request *generic_req = NULL; 3073 unsigned int i; 3074 struct cipher_testvec vec = { 0 }; 3075 char vec_name[64]; 3076 struct testvec_config *cfg; 3077 char cfgname[TESTVEC_CONFIG_NAMELEN]; 3078 int err; 3079 3080 if (noslowtests) 3081 return 0; 3082 3083 init_rnd_state(&rng); 3084 3085 if (!generic_driver) { /* Use default naming convention? */ 3086 err = build_generic_driver_name(algname, _generic_driver); 3087 if (err) 3088 return err; 3089 generic_driver = _generic_driver; 3090 } 3091 3092 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 3093 return 0; 3094 3095 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0); 3096 if (IS_ERR(generic_tfm)) { 3097 err = PTR_ERR(generic_tfm); 3098 if (err == -ENOENT) { 3099 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n", 3100 driver, generic_driver); 3101 return 0; 3102 } 3103 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n", 3104 generic_driver, algname, err); 3105 return err; 3106 } 3107 3108 cfg = kzalloc_obj(*cfg); 3109 if (!cfg) { 3110 err = -ENOMEM; 3111 goto out; 3112 } 3113 3114 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL); 3115 if (!generic_req) { 3116 err = -ENOMEM; 3117 goto out; 3118 } 3119 3120 /* Check the algorithm properties for consistency. */ 3121 3122 if (crypto_skcipher_min_keysize(tfm) != 3123 crypto_skcipher_min_keysize(generic_tfm)) { 3124 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n", 3125 driver, crypto_skcipher_min_keysize(tfm), 3126 crypto_skcipher_min_keysize(generic_tfm)); 3127 err = -EINVAL; 3128 goto out; 3129 } 3130 3131 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) { 3132 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n", 3133 driver, maxkeysize, 3134 crypto_skcipher_max_keysize(generic_tfm)); 3135 err = -EINVAL; 3136 goto out; 3137 } 3138 3139 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) { 3140 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n", 3141 driver, ivsize, crypto_skcipher_ivsize(generic_tfm)); 3142 err = -EINVAL; 3143 goto out; 3144 } 3145 3146 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) { 3147 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n", 3148 driver, blocksize, 3149 crypto_skcipher_blocksize(generic_tfm)); 3150 err = -EINVAL; 3151 goto out; 3152 } 3153 3154 /* 3155 * Now generate test vectors using the generic implementation, and test 3156 * the other implementation against them. 3157 */ 3158 3159 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 3160 vec.iv = kmalloc(ivsize, GFP_KERNEL); 3161 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL); 3162 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL); 3163 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) { 3164 err = -ENOMEM; 3165 goto out; 3166 } 3167 3168 for (i = 0; i < fuzz_iterations * 8; i++) { 3169 generate_random_cipher_testvec(&rng, generic_req, &vec, 3170 maxdatasize, 3171 vec_name, sizeof(vec_name)); 3172 generate_random_testvec_config(&rng, cfg, cfgname, 3173 sizeof(cfgname)); 3174 3175 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name, 3176 cfg, req, tsgls); 3177 if (err) 3178 goto out; 3179 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name, 3180 cfg, req, tsgls); 3181 if (err) 3182 goto out; 3183 cond_resched(); 3184 } 3185 err = 0; 3186 out: 3187 kfree(cfg); 3188 kfree(vec.key); 3189 kfree(vec.iv); 3190 kfree(vec.ptext); 3191 kfree(vec.ctext); 3192 crypto_free_skcipher(generic_tfm); 3193 skcipher_request_free(generic_req); 3194 return err; 3195 } 3196 3197 static int test_skcipher(int enc, const struct cipher_test_suite *suite, 3198 struct skcipher_request *req, 3199 struct cipher_test_sglists *tsgls) 3200 { 3201 unsigned int i; 3202 int err; 3203 3204 for (i = 0; i < suite->count; i++) { 3205 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls); 3206 if (err) 3207 return err; 3208 cond_resched(); 3209 } 3210 return 0; 3211 } 3212 3213 static int alg_test_skcipher(const struct alg_test_desc *desc, 3214 const char *driver, u32 type, u32 mask) 3215 { 3216 const struct cipher_test_suite *suite = &desc->suite.cipher; 3217 struct crypto_skcipher *tfm; 3218 struct skcipher_request *req = NULL; 3219 struct cipher_test_sglists *tsgls = NULL; 3220 int err; 3221 3222 if (suite->count <= 0) { 3223 pr_err("alg: skcipher: empty test suite for %s\n", driver); 3224 return -EINVAL; 3225 } 3226 3227 tfm = crypto_alloc_skcipher(driver, type, mask); 3228 if (IS_ERR(tfm)) { 3229 if (PTR_ERR(tfm) == -ENOENT) 3230 return 0; 3231 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n", 3232 driver, PTR_ERR(tfm)); 3233 return PTR_ERR(tfm); 3234 } 3235 driver = crypto_skcipher_driver_name(tfm); 3236 3237 req = skcipher_request_alloc(tfm, GFP_KERNEL); 3238 if (!req) { 3239 pr_err("alg: skcipher: failed to allocate request for %s\n", 3240 driver); 3241 err = -ENOMEM; 3242 goto out; 3243 } 3244 3245 tsgls = alloc_cipher_test_sglists(); 3246 if (!tsgls) { 3247 pr_err("alg: skcipher: failed to allocate test buffers for %s\n", 3248 driver); 3249 err = -ENOMEM; 3250 goto out; 3251 } 3252 3253 err = test_skcipher(ENCRYPT, suite, req, tsgls); 3254 if (err) 3255 goto out; 3256 3257 err = test_skcipher(DECRYPT, suite, req, tsgls); 3258 if (err) 3259 goto out; 3260 3261 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls); 3262 out: 3263 free_cipher_test_sglists(tsgls); 3264 skcipher_request_free(req); 3265 crypto_free_skcipher(tfm); 3266 return err; 3267 } 3268 3269 static int test_acomp(struct crypto_acomp *tfm, 3270 const struct comp_testvec *ctemplate, 3271 const struct comp_testvec *dtemplate, 3272 int ctcount, int dtcount) 3273 { 3274 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm)); 3275 unsigned int i; 3276 char *output, *decomp_out; 3277 int ret; 3278 struct scatterlist src, dst; 3279 struct acomp_req *req; 3280 struct crypto_wait wait; 3281 3282 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3283 if (!output) 3284 return -ENOMEM; 3285 3286 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3287 if (!decomp_out) { 3288 kfree(output); 3289 return -ENOMEM; 3290 } 3291 3292 for (i = 0; i < ctcount; i++) { 3293 unsigned int dlen = COMP_BUF_SIZE; 3294 int ilen = ctemplate[i].inlen; 3295 void *input_vec; 3296 3297 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL); 3298 if (!input_vec) { 3299 ret = -ENOMEM; 3300 goto out; 3301 } 3302 3303 memset(output, 0, dlen); 3304 crypto_init_wait(&wait); 3305 sg_init_one(&src, input_vec, ilen); 3306 sg_init_one(&dst, output, dlen); 3307 3308 req = acomp_request_alloc(tfm); 3309 if (!req) { 3310 pr_err("alg: acomp: request alloc failed for %s\n", 3311 algo); 3312 kfree(input_vec); 3313 ret = -ENOMEM; 3314 goto out; 3315 } 3316 3317 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3318 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3319 crypto_req_done, &wait); 3320 3321 ret = crypto_wait_req(crypto_acomp_compress(req), &wait); 3322 if (ret) { 3323 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3324 i + 1, algo, -ret); 3325 kfree(input_vec); 3326 acomp_request_free(req); 3327 goto out; 3328 } 3329 3330 ilen = req->dlen; 3331 dlen = COMP_BUF_SIZE; 3332 sg_init_one(&src, output, ilen); 3333 sg_init_one(&dst, decomp_out, dlen); 3334 crypto_init_wait(&wait); 3335 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3336 3337 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3338 if (ret) { 3339 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3340 i + 1, algo, -ret); 3341 kfree(input_vec); 3342 acomp_request_free(req); 3343 goto out; 3344 } 3345 3346 if (req->dlen != ctemplate[i].inlen) { 3347 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n", 3348 i + 1, algo, req->dlen); 3349 ret = -EINVAL; 3350 kfree(input_vec); 3351 acomp_request_free(req); 3352 goto out; 3353 } 3354 3355 if (memcmp(input_vec, decomp_out, req->dlen)) { 3356 pr_err("alg: acomp: Compression test %d failed for %s\n", 3357 i + 1, algo); 3358 hexdump(output, req->dlen); 3359 ret = -EINVAL; 3360 kfree(input_vec); 3361 acomp_request_free(req); 3362 goto out; 3363 } 3364 3365 kfree(input_vec); 3366 acomp_request_free(req); 3367 } 3368 3369 for (i = 0; i < dtcount; i++) { 3370 unsigned int dlen = COMP_BUF_SIZE; 3371 int ilen = dtemplate[i].inlen; 3372 void *input_vec; 3373 3374 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL); 3375 if (!input_vec) { 3376 ret = -ENOMEM; 3377 goto out; 3378 } 3379 3380 memset(output, 0, dlen); 3381 crypto_init_wait(&wait); 3382 sg_init_one(&src, input_vec, ilen); 3383 sg_init_one(&dst, output, dlen); 3384 3385 req = acomp_request_alloc(tfm); 3386 if (!req) { 3387 pr_err("alg: acomp: request alloc failed for %s\n", 3388 algo); 3389 kfree(input_vec); 3390 ret = -ENOMEM; 3391 goto out; 3392 } 3393 3394 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3395 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3396 crypto_req_done, &wait); 3397 3398 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3399 if (ret) { 3400 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n", 3401 i + 1, algo, -ret); 3402 kfree(input_vec); 3403 acomp_request_free(req); 3404 goto out; 3405 } 3406 3407 if (req->dlen != dtemplate[i].outlen) { 3408 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n", 3409 i + 1, algo, req->dlen); 3410 ret = -EINVAL; 3411 kfree(input_vec); 3412 acomp_request_free(req); 3413 goto out; 3414 } 3415 3416 if (memcmp(output, dtemplate[i].output, req->dlen)) { 3417 pr_err("alg: acomp: Decompression test %d failed for %s\n", 3418 i + 1, algo); 3419 hexdump(output, req->dlen); 3420 ret = -EINVAL; 3421 kfree(input_vec); 3422 acomp_request_free(req); 3423 goto out; 3424 } 3425 3426 kfree(input_vec); 3427 acomp_request_free(req); 3428 } 3429 3430 ret = 0; 3431 3432 out: 3433 kfree(decomp_out); 3434 kfree(output); 3435 return ret; 3436 } 3437 3438 static int alg_test_cipher(const struct alg_test_desc *desc, 3439 const char *driver, u32 type, u32 mask) 3440 { 3441 const struct cipher_test_suite *suite = &desc->suite.cipher; 3442 struct crypto_cipher *tfm; 3443 int err; 3444 3445 tfm = crypto_alloc_cipher(driver, type, mask); 3446 if (IS_ERR(tfm)) { 3447 if (PTR_ERR(tfm) == -ENOENT) 3448 return 0; 3449 printk(KERN_ERR "alg: cipher: Failed to load transform for " 3450 "%s: %ld\n", driver, PTR_ERR(tfm)); 3451 return PTR_ERR(tfm); 3452 } 3453 3454 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count); 3455 if (!err) 3456 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count); 3457 3458 crypto_free_cipher(tfm); 3459 return err; 3460 } 3461 3462 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, 3463 u32 type, u32 mask) 3464 { 3465 struct crypto_acomp *acomp; 3466 int err; 3467 3468 acomp = crypto_alloc_acomp(driver, type, mask); 3469 if (IS_ERR(acomp)) { 3470 if (PTR_ERR(acomp) == -ENOENT) 3471 return 0; 3472 pr_err("alg: acomp: Failed to load transform for %s: %ld\n", 3473 driver, PTR_ERR(acomp)); 3474 return PTR_ERR(acomp); 3475 } 3476 err = test_acomp(acomp, desc->suite.comp.comp.vecs, 3477 desc->suite.comp.decomp.vecs, 3478 desc->suite.comp.comp.count, 3479 desc->suite.comp.decomp.count); 3480 crypto_free_acomp(acomp); 3481 return err; 3482 } 3483 3484 static int drbg_cavs_test(const struct drbg_testvec *test, const char *driver, 3485 u32 type, u32 mask) 3486 { 3487 int ret = -EAGAIN; 3488 struct crypto_rng *drng; 3489 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL); 3490 3491 if (!buf) 3492 return -ENOMEM; 3493 3494 drng = crypto_alloc_rng(driver, type, mask); 3495 if (IS_ERR(drng)) { 3496 kfree_sensitive(buf); 3497 if (PTR_ERR(drng) == -ENOENT) 3498 return 0; 3499 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for " 3500 "%s\n", driver); 3501 return PTR_ERR(drng); 3502 } 3503 3504 crypto_rng_set_entropy(drng, test->entropy, test->entropylen); 3505 ret = crypto_rng_reset(drng, test->pers, test->perslen); 3506 if (ret) { 3507 printk(KERN_ERR "alg: drbg: Failed to instantiate rng\n"); 3508 goto outbuf; 3509 } 3510 3511 if (test->ent_reseed_len) { 3512 crypto_rng_set_entropy(drng, test->ent_reseed, 3513 test->ent_reseed_len); 3514 ret = crypto_rng_reset(drng, test->addtl_reseed, 3515 test->addtl_reseed_len); 3516 if (ret) { 3517 printk(KERN_ERR "alg: drbg: Failed to reseed rng\n"); 3518 goto outbuf; 3519 } 3520 } 3521 3522 ret = crypto_rng_generate(drng, test->addtla, test->addtllen, 3523 buf, test->expectedlen); 3524 if (ret < 0) { 3525 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3526 "driver %s\n", driver); 3527 goto outbuf; 3528 } 3529 3530 ret = crypto_rng_generate(drng, test->addtlb, test->addtllen, 3531 buf, test->expectedlen); 3532 if (ret < 0) { 3533 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3534 "driver %s\n", driver); 3535 goto outbuf; 3536 } 3537 3538 ret = memcmp(test->expected, buf, test->expectedlen); 3539 3540 outbuf: 3541 crypto_free_rng(drng); 3542 kfree_sensitive(buf); 3543 return ret; 3544 } 3545 3546 3547 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver, 3548 u32 type, u32 mask) 3549 { 3550 int err = 0; 3551 int i = 0; 3552 const struct drbg_testvec *template = desc->suite.drbg.vecs; 3553 unsigned int tcount = desc->suite.drbg.count; 3554 3555 for (i = 0; i < tcount; i++) { 3556 err = drbg_cavs_test(&template[i], driver, type, mask); 3557 if (err) { 3558 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n", 3559 i, driver); 3560 err = -EINVAL; 3561 break; 3562 } 3563 } 3564 return err; 3565 3566 } 3567 3568 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, 3569 const char *alg) 3570 { 3571 struct kpp_request *req; 3572 void *input_buf = NULL; 3573 void *output_buf = NULL; 3574 void *a_public = NULL; 3575 void *a_ss = NULL; 3576 void *shared_secret = NULL; 3577 struct crypto_wait wait; 3578 unsigned int out_len_max; 3579 int err = -ENOMEM; 3580 struct scatterlist src, dst; 3581 3582 req = kpp_request_alloc(tfm, GFP_KERNEL); 3583 if (!req) 3584 return err; 3585 3586 crypto_init_wait(&wait); 3587 3588 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size); 3589 if (err < 0) 3590 goto free_req; 3591 3592 out_len_max = crypto_kpp_maxsize(tfm); 3593 output_buf = kzalloc(out_len_max, GFP_KERNEL); 3594 if (!output_buf) { 3595 err = -ENOMEM; 3596 goto free_req; 3597 } 3598 3599 /* Use appropriate parameter as base */ 3600 kpp_request_set_input(req, NULL, 0); 3601 sg_init_one(&dst, output_buf, out_len_max); 3602 kpp_request_set_output(req, &dst, out_len_max); 3603 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3604 crypto_req_done, &wait); 3605 3606 /* Compute party A's public key */ 3607 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait); 3608 if (err) { 3609 pr_err("alg: %s: Party A: generate public key test failed. err %d\n", 3610 alg, err); 3611 goto free_output; 3612 } 3613 3614 if (vec->genkey) { 3615 /* Save party A's public key */ 3616 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL); 3617 if (!a_public) { 3618 err = -ENOMEM; 3619 goto free_output; 3620 } 3621 } else { 3622 /* Verify calculated public key */ 3623 if (memcmp(vec->expected_a_public, sg_virt(req->dst), 3624 vec->expected_a_public_size)) { 3625 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n", 3626 alg); 3627 err = -EINVAL; 3628 goto free_output; 3629 } 3630 } 3631 3632 /* Calculate shared secret key by using counter part (b) public key. */ 3633 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL); 3634 if (!input_buf) { 3635 err = -ENOMEM; 3636 goto free_output; 3637 } 3638 3639 sg_init_one(&src, input_buf, vec->b_public_size); 3640 sg_init_one(&dst, output_buf, out_len_max); 3641 kpp_request_set_input(req, &src, vec->b_public_size); 3642 kpp_request_set_output(req, &dst, out_len_max); 3643 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3644 crypto_req_done, &wait); 3645 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait); 3646 if (err) { 3647 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n", 3648 alg, err); 3649 goto free_all; 3650 } 3651 3652 if (vec->genkey) { 3653 /* Save the shared secret obtained by party A */ 3654 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL); 3655 if (!a_ss) { 3656 err = -ENOMEM; 3657 goto free_all; 3658 } 3659 3660 /* 3661 * Calculate party B's shared secret by using party A's 3662 * public key. 3663 */ 3664 err = crypto_kpp_set_secret(tfm, vec->b_secret, 3665 vec->b_secret_size); 3666 if (err < 0) 3667 goto free_all; 3668 3669 sg_init_one(&src, a_public, vec->expected_a_public_size); 3670 sg_init_one(&dst, output_buf, out_len_max); 3671 kpp_request_set_input(req, &src, vec->expected_a_public_size); 3672 kpp_request_set_output(req, &dst, out_len_max); 3673 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3674 crypto_req_done, &wait); 3675 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), 3676 &wait); 3677 if (err) { 3678 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n", 3679 alg, err); 3680 goto free_all; 3681 } 3682 3683 shared_secret = a_ss; 3684 } else { 3685 shared_secret = (void *)vec->expected_ss; 3686 } 3687 3688 /* 3689 * verify shared secret from which the user will derive 3690 * secret key by executing whatever hash it has chosen 3691 */ 3692 if (memcmp(shared_secret, sg_virt(req->dst), 3693 vec->expected_ss_size)) { 3694 pr_err("alg: %s: compute shared secret test failed. Invalid output\n", 3695 alg); 3696 err = -EINVAL; 3697 } 3698 3699 free_all: 3700 kfree(a_ss); 3701 kfree(input_buf); 3702 free_output: 3703 kfree(a_public); 3704 kfree(output_buf); 3705 free_req: 3706 kpp_request_free(req); 3707 return err; 3708 } 3709 3710 static int test_kpp(struct crypto_kpp *tfm, const char *alg, 3711 const struct kpp_testvec *vecs, unsigned int tcount) 3712 { 3713 int ret, i; 3714 3715 for (i = 0; i < tcount; i++) { 3716 ret = do_test_kpp(tfm, vecs++, alg); 3717 if (ret) { 3718 pr_err("alg: %s: test failed on vector %d, err=%d\n", 3719 alg, i + 1, ret); 3720 return ret; 3721 } 3722 } 3723 return 0; 3724 } 3725 3726 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, 3727 u32 type, u32 mask) 3728 { 3729 struct crypto_kpp *tfm; 3730 int err = 0; 3731 3732 tfm = crypto_alloc_kpp(driver, type, mask); 3733 if (IS_ERR(tfm)) { 3734 if (PTR_ERR(tfm) == -ENOENT) 3735 return 0; 3736 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", 3737 driver, PTR_ERR(tfm)); 3738 return PTR_ERR(tfm); 3739 } 3740 if (desc->suite.kpp.vecs) 3741 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs, 3742 desc->suite.kpp.count); 3743 3744 crypto_free_kpp(tfm); 3745 return err; 3746 } 3747 3748 static u8 *test_pack_u32(u8 *dst, u32 val) 3749 { 3750 memcpy(dst, &val, sizeof(val)); 3751 return dst + sizeof(val); 3752 } 3753 3754 static int test_akcipher_one(struct crypto_akcipher *tfm, 3755 const struct akcipher_testvec *vecs) 3756 { 3757 char *xbuf[XBUFSIZE]; 3758 struct akcipher_request *req; 3759 void *outbuf_enc = NULL; 3760 void *outbuf_dec = NULL; 3761 struct crypto_wait wait; 3762 unsigned int out_len_max, out_len = 0; 3763 int err = -ENOMEM; 3764 struct scatterlist src, dst, src_tab[2]; 3765 const char *c; 3766 unsigned int c_size; 3767 3768 if (testmgr_alloc_buf(xbuf)) 3769 return err; 3770 3771 req = akcipher_request_alloc(tfm, GFP_KERNEL); 3772 if (!req) 3773 goto free_xbuf; 3774 3775 crypto_init_wait(&wait); 3776 3777 if (vecs->public_key_vec) 3778 err = crypto_akcipher_set_pub_key(tfm, vecs->key, 3779 vecs->key_len); 3780 else 3781 err = crypto_akcipher_set_priv_key(tfm, vecs->key, 3782 vecs->key_len); 3783 if (err) 3784 goto free_req; 3785 3786 /* First run encrypt test which does not require a private key */ 3787 err = -ENOMEM; 3788 out_len_max = crypto_akcipher_maxsize(tfm); 3789 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); 3790 if (!outbuf_enc) 3791 goto free_req; 3792 3793 c = vecs->c; 3794 c_size = vecs->c_size; 3795 3796 err = -E2BIG; 3797 if (WARN_ON(vecs->m_size > PAGE_SIZE)) 3798 goto free_all; 3799 memcpy(xbuf[0], vecs->m, vecs->m_size); 3800 3801 sg_init_table(src_tab, 2); 3802 sg_set_buf(&src_tab[0], xbuf[0], 8); 3803 sg_set_buf(&src_tab[1], xbuf[0] + 8, vecs->m_size - 8); 3804 sg_init_one(&dst, outbuf_enc, out_len_max); 3805 akcipher_request_set_crypt(req, src_tab, &dst, vecs->m_size, 3806 out_len_max); 3807 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3808 crypto_req_done, &wait); 3809 3810 err = crypto_wait_req(crypto_akcipher_encrypt(req), &wait); 3811 if (err) { 3812 pr_err("alg: akcipher: encrypt test failed. err %d\n", err); 3813 goto free_all; 3814 } 3815 if (c) { 3816 if (req->dst_len != c_size) { 3817 pr_err("alg: akcipher: encrypt test failed. Invalid output len\n"); 3818 err = -EINVAL; 3819 goto free_all; 3820 } 3821 /* verify that encrypted message is equal to expected */ 3822 if (memcmp(c, outbuf_enc, c_size) != 0) { 3823 pr_err("alg: akcipher: encrypt test failed. Invalid output\n"); 3824 hexdump(outbuf_enc, c_size); 3825 err = -EINVAL; 3826 goto free_all; 3827 } 3828 } 3829 3830 /* 3831 * Don't invoke decrypt test which requires a private key 3832 * for vectors with only a public key. 3833 */ 3834 if (vecs->public_key_vec) { 3835 err = 0; 3836 goto free_all; 3837 } 3838 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL); 3839 if (!outbuf_dec) { 3840 err = -ENOMEM; 3841 goto free_all; 3842 } 3843 3844 if (!c) { 3845 c = outbuf_enc; 3846 c_size = req->dst_len; 3847 } 3848 3849 err = -E2BIG; 3850 if (WARN_ON(c_size > PAGE_SIZE)) 3851 goto free_all; 3852 memcpy(xbuf[0], c, c_size); 3853 3854 sg_init_one(&src, xbuf[0], c_size); 3855 sg_init_one(&dst, outbuf_dec, out_len_max); 3856 crypto_init_wait(&wait); 3857 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max); 3858 3859 err = crypto_wait_req(crypto_akcipher_decrypt(req), &wait); 3860 if (err) { 3861 pr_err("alg: akcipher: decrypt test failed. err %d\n", err); 3862 goto free_all; 3863 } 3864 out_len = req->dst_len; 3865 if (out_len < vecs->m_size) { 3866 pr_err("alg: akcipher: decrypt test failed. Invalid output len %u\n", 3867 out_len); 3868 err = -EINVAL; 3869 goto free_all; 3870 } 3871 /* verify that decrypted message is equal to the original msg */ 3872 if (memchr_inv(outbuf_dec, 0, out_len - vecs->m_size) || 3873 memcmp(vecs->m, outbuf_dec + out_len - vecs->m_size, 3874 vecs->m_size)) { 3875 pr_err("alg: akcipher: decrypt test failed. Invalid output\n"); 3876 hexdump(outbuf_dec, out_len); 3877 err = -EINVAL; 3878 } 3879 free_all: 3880 kfree(outbuf_dec); 3881 kfree(outbuf_enc); 3882 free_req: 3883 akcipher_request_free(req); 3884 free_xbuf: 3885 testmgr_free_buf(xbuf); 3886 return err; 3887 } 3888 3889 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, 3890 const struct akcipher_testvec *vecs, 3891 unsigned int tcount) 3892 { 3893 const char *algo = 3894 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm)); 3895 int ret, i; 3896 3897 for (i = 0; i < tcount; i++) { 3898 ret = test_akcipher_one(tfm, vecs++); 3899 if (!ret) 3900 continue; 3901 3902 pr_err("alg: akcipher: test %d failed for %s, err=%d\n", 3903 i + 1, algo, ret); 3904 return ret; 3905 } 3906 return 0; 3907 } 3908 3909 static int alg_test_akcipher(const struct alg_test_desc *desc, 3910 const char *driver, u32 type, u32 mask) 3911 { 3912 struct crypto_akcipher *tfm; 3913 int err = 0; 3914 3915 tfm = crypto_alloc_akcipher(driver, type, mask); 3916 if (IS_ERR(tfm)) { 3917 if (PTR_ERR(tfm) == -ENOENT) 3918 return 0; 3919 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n", 3920 driver, PTR_ERR(tfm)); 3921 return PTR_ERR(tfm); 3922 } 3923 if (desc->suite.akcipher.vecs) 3924 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs, 3925 desc->suite.akcipher.count); 3926 3927 crypto_free_akcipher(tfm); 3928 return err; 3929 } 3930 3931 static int test_sig_one(struct crypto_sig *tfm, const struct sig_testvec *vecs) 3932 { 3933 u8 *ptr, *key __free(kfree); 3934 int err, sig_size; 3935 3936 key = kmalloc(vecs->key_len + 2 * sizeof(u32) + vecs->param_len, 3937 GFP_KERNEL); 3938 if (!key) 3939 return -ENOMEM; 3940 3941 /* ecrdsa expects additional parameters appended to the key */ 3942 memcpy(key, vecs->key, vecs->key_len); 3943 ptr = key + vecs->key_len; 3944 ptr = test_pack_u32(ptr, vecs->algo); 3945 ptr = test_pack_u32(ptr, vecs->param_len); 3946 memcpy(ptr, vecs->params, vecs->param_len); 3947 3948 if (vecs->public_key_vec) 3949 err = crypto_sig_set_pubkey(tfm, key, vecs->key_len); 3950 else 3951 err = crypto_sig_set_privkey(tfm, key, vecs->key_len); 3952 if (err) 3953 return err; 3954 3955 /* 3956 * Run asymmetric signature verification first 3957 * (which does not require a private key) 3958 */ 3959 err = crypto_sig_verify(tfm, vecs->c, vecs->c_size, 3960 vecs->m, vecs->m_size); 3961 if (err) { 3962 pr_err("alg: sig: verify test failed: err %d\n", err); 3963 return err; 3964 } 3965 3966 /* 3967 * Don't invoke sign test (which requires a private key) 3968 * for vectors with only a public key. 3969 */ 3970 if (vecs->public_key_vec) 3971 return 0; 3972 3973 sig_size = crypto_sig_maxsize(tfm); 3974 if (sig_size < vecs->c_size) { 3975 pr_err("alg: sig: invalid maxsize %u\n", sig_size); 3976 return -EINVAL; 3977 } 3978 3979 u8 *sig __free(kfree) = kzalloc(sig_size, GFP_KERNEL); 3980 if (!sig) 3981 return -ENOMEM; 3982 3983 /* Run asymmetric signature generation */ 3984 err = crypto_sig_sign(tfm, vecs->m, vecs->m_size, sig, sig_size); 3985 if (err < 0) { 3986 pr_err("alg: sig: sign test failed: err %d\n", err); 3987 return err; 3988 } 3989 3990 /* Verify that generated signature equals cooked signature */ 3991 if (err != vecs->c_size || 3992 memcmp(sig, vecs->c, vecs->c_size) || 3993 memchr_inv(sig + vecs->c_size, 0, sig_size - vecs->c_size)) { 3994 pr_err("alg: sig: sign test failed: invalid output\n"); 3995 hexdump(sig, sig_size); 3996 return -EINVAL; 3997 } 3998 3999 return 0; 4000 } 4001 4002 static int test_sig(struct crypto_sig *tfm, const char *alg, 4003 const struct sig_testvec *vecs, unsigned int tcount) 4004 { 4005 const char *algo = crypto_tfm_alg_driver_name(crypto_sig_tfm(tfm)); 4006 int ret, i; 4007 4008 for (i = 0; i < tcount; i++) { 4009 ret = test_sig_one(tfm, vecs++); 4010 if (ret) { 4011 pr_err("alg: sig: test %d failed for %s: err %d\n", 4012 i + 1, algo, ret); 4013 return ret; 4014 } 4015 } 4016 return 0; 4017 } 4018 4019 static int alg_test_sig(const struct alg_test_desc *desc, const char *driver, 4020 u32 type, u32 mask) 4021 { 4022 struct crypto_sig *tfm; 4023 int err = 0; 4024 4025 tfm = crypto_alloc_sig(driver, type, mask); 4026 if (IS_ERR(tfm)) { 4027 pr_err("alg: sig: Failed to load tfm for %s: %ld\n", 4028 driver, PTR_ERR(tfm)); 4029 return PTR_ERR(tfm); 4030 } 4031 if (desc->suite.sig.vecs) 4032 err = test_sig(tfm, desc->alg, desc->suite.sig.vecs, 4033 desc->suite.sig.count); 4034 4035 crypto_free_sig(tfm); 4036 return err; 4037 } 4038 4039 static int alg_test_null(const struct alg_test_desc *desc, 4040 const char *driver, u32 type, u32 mask) 4041 { 4042 return 0; 4043 } 4044 4045 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv) 4046 #define __VECS(tv) { ____VECS(tv) } 4047 4048 /* Please keep this list sorted by algorithm name. */ 4049 static const struct alg_test_desc alg_test_descs[] = { 4050 { 4051 .alg = "adiantum(xchacha12,aes)", 4052 .generic_driver = "adiantum(xchacha12-lib,aes-lib)", 4053 .test = alg_test_skcipher, 4054 .suite = { 4055 .cipher = __VECS(adiantum_xchacha12_aes_tv_template) 4056 }, 4057 }, { 4058 .alg = "adiantum(xchacha20,aes)", 4059 .generic_driver = "adiantum(xchacha20-lib,aes-lib)", 4060 .test = alg_test_skcipher, 4061 .suite = { 4062 .cipher = __VECS(adiantum_xchacha20_aes_tv_template) 4063 }, 4064 }, { 4065 .alg = "aegis128", 4066 .test = alg_test_aead, 4067 .suite = { 4068 .aead = __VECS(aegis128_tv_template) 4069 } 4070 }, { 4071 .alg = "authenc(hmac(md5),cbc(aes))", 4072 .generic_driver = "authenc(hmac-md5-lib,cbc(aes-lib))", 4073 .test = alg_test_aead, 4074 .suite = { 4075 .aead = __VECS(hmac_md5_aes_cbc_tv_temp) 4076 } 4077 }, { 4078 .alg = "authenc(hmac(md5),cbc(des))", 4079 .generic_driver = "authenc(hmac-md5-lib,cbc(des-generic))", 4080 .test = alg_test_aead, 4081 .suite = { 4082 .aead = __VECS(hmac_md5_des_cbc_tv_temp) 4083 } 4084 }, { 4085 .alg = "authenc(hmac(md5),cbc(des3_ede))", 4086 .generic_driver = "authenc(hmac-md5-lib,cbc(des3_ede-generic))", 4087 .test = alg_test_aead, 4088 .suite = { 4089 .aead = __VECS(hmac_md5_des3_ede_cbc_tv_temp) 4090 } 4091 }, { 4092 .alg = "authenc(hmac(md5),ecb(cipher_null))", 4093 .generic_driver = "authenc(hmac-md5-lib,ecb-cipher_null)", 4094 .test = alg_test_aead, 4095 .suite = { 4096 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template) 4097 } 4098 }, { 4099 .alg = "authenc(hmac(md5),rfc3686(ctr(aes)))", 4100 .generic_driver = "authenc(hmac-md5-lib,rfc3686(ctr(aes-lib)))", 4101 .test = alg_test_aead, 4102 .suite = { 4103 .aead = __VECS(hmac_md5_aes_ctr_rfc3686_tv_temp) 4104 } 4105 }, { 4106 .alg = "authenc(hmac(sha1),cbc(aes))", 4107 .generic_driver = "authenc(hmac-sha1-lib,cbc(aes-lib))", 4108 .test = alg_test_aead, 4109 .fips_allowed = 1, 4110 .suite = { 4111 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp) 4112 } 4113 }, { 4114 .alg = "authenc(hmac(sha1),cbc(des))", 4115 .generic_driver = "authenc(hmac-sha1-lib,cbc(des-generic))", 4116 .test = alg_test_aead, 4117 .suite = { 4118 .aead = __VECS(hmac_sha1_des_cbc_tv_temp) 4119 } 4120 }, { 4121 .alg = "authenc(hmac(sha1),cbc(des3_ede))", 4122 .generic_driver = "authenc(hmac-sha1-lib,cbc(des3_ede-generic))", 4123 .test = alg_test_aead, 4124 .suite = { 4125 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp) 4126 } 4127 }, { 4128 .alg = "authenc(hmac(sha1),ctr(aes))", 4129 .test = alg_test_null, 4130 .fips_allowed = 1, 4131 }, { 4132 .alg = "authenc(hmac(sha1),ecb(cipher_null))", 4133 .generic_driver = "authenc(hmac-sha1-lib,ecb-cipher_null)", 4134 .test = alg_test_aead, 4135 .suite = { 4136 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp) 4137 } 4138 }, { 4139 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))", 4140 .generic_driver = "authenc(hmac-sha1-lib,rfc3686(ctr(aes-lib)))", 4141 .test = alg_test_aead, 4142 .fips_allowed = 1, 4143 .suite = { 4144 .aead = __VECS(hmac_sha1_aes_ctr_rfc3686_tv_temp) 4145 } 4146 }, { 4147 .alg = "authenc(hmac(sha224),cbc(aes))", 4148 .generic_driver = "authenc(hmac-sha224-lib,cbc(aes-lib))", 4149 .test = alg_test_aead, 4150 .fips_allowed = 1, 4151 .suite = { 4152 .aead = __VECS(hmac_sha224_aes_cbc_tv_temp) 4153 } 4154 }, { 4155 .alg = "authenc(hmac(sha224),cbc(des))", 4156 .generic_driver = "authenc(hmac-sha224-lib,cbc(des-generic))", 4157 .test = alg_test_aead, 4158 .suite = { 4159 .aead = __VECS(hmac_sha224_des_cbc_tv_temp) 4160 } 4161 }, { 4162 .alg = "authenc(hmac(sha224),cbc(des3_ede))", 4163 .generic_driver = "authenc(hmac-sha224-lib,cbc(des3_ede-generic))", 4164 .test = alg_test_aead, 4165 .suite = { 4166 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp) 4167 } 4168 }, { 4169 .alg = "authenc(hmac(sha224),rfc3686(ctr(aes)))", 4170 .generic_driver = "authenc(hmac-sha224-lib,rfc3686(ctr(aes-lib)))", 4171 .test = alg_test_aead, 4172 .fips_allowed = 1, 4173 .suite = { 4174 .aead = __VECS(hmac_sha224_aes_ctr_rfc3686_tv_temp) 4175 } 4176 }, { 4177 .alg = "authenc(hmac(sha256),cbc(aes))", 4178 .generic_driver = "authenc(hmac-sha256-lib,cbc(aes-lib))", 4179 .test = alg_test_aead, 4180 .fips_allowed = 1, 4181 .suite = { 4182 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp) 4183 } 4184 }, { 4185 .alg = "authenc(hmac(sha256),cbc(des))", 4186 .generic_driver = "authenc(hmac-sha256-lib,cbc(des-generic))", 4187 .test = alg_test_aead, 4188 .suite = { 4189 .aead = __VECS(hmac_sha256_des_cbc_tv_temp) 4190 } 4191 }, { 4192 .alg = "authenc(hmac(sha256),cbc(des3_ede))", 4193 .generic_driver = "authenc(hmac-sha256-lib,cbc(des3_ede-generic))", 4194 .test = alg_test_aead, 4195 .suite = { 4196 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp) 4197 } 4198 }, { 4199 .alg = "authenc(hmac(sha256),ctr(aes))", 4200 .test = alg_test_null, 4201 .fips_allowed = 1, 4202 }, { 4203 .alg = "authenc(hmac(sha256),cts(cbc(aes)))", 4204 .generic_driver = "authenc(hmac-sha256-lib,cts(cbc(aes-lib)))", 4205 .test = alg_test_aead, 4206 .fips_allowed = 1, 4207 .suite = { 4208 .aead = __VECS(krb5_test_aes128_cts_hmac_sha256_128) 4209 } 4210 }, { 4211 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", 4212 .generic_driver = "authenc(hmac-sha256-lib,rfc3686(ctr(aes-lib)))", 4213 .test = alg_test_aead, 4214 .fips_allowed = 1, 4215 .suite = { 4216 .aead = __VECS(hmac_sha256_aes_ctr_rfc3686_tv_temp) 4217 } 4218 }, { 4219 .alg = "authenc(hmac(sha384),cbc(aes))", 4220 .generic_driver = "authenc(hmac-sha384-lib,cbc(aes-lib))", 4221 .test = alg_test_aead, 4222 .fips_allowed = 1, 4223 .suite = { 4224 .aead = __VECS(hmac_sha384_aes_cbc_tv_temp) 4225 } 4226 }, { 4227 .alg = "authenc(hmac(sha384),cbc(des))", 4228 .generic_driver = "authenc(hmac-sha384-lib,cbc(des-generic))", 4229 .test = alg_test_aead, 4230 .suite = { 4231 .aead = __VECS(hmac_sha384_des_cbc_tv_temp) 4232 } 4233 }, { 4234 .alg = "authenc(hmac(sha384),cbc(des3_ede))", 4235 .generic_driver = "authenc(hmac-sha384-lib,cbc(des3_ede-generic))", 4236 .test = alg_test_aead, 4237 .suite = { 4238 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp) 4239 } 4240 }, { 4241 .alg = "authenc(hmac(sha384),ctr(aes))", 4242 .test = alg_test_null, 4243 .fips_allowed = 1, 4244 }, { 4245 .alg = "authenc(hmac(sha384),cts(cbc(aes)))", 4246 .generic_driver = "authenc(hmac-sha384-lib,cts(cbc(aes-lib)))", 4247 .test = alg_test_aead, 4248 .fips_allowed = 1, 4249 .suite = { 4250 .aead = __VECS(krb5_test_aes256_cts_hmac_sha384_192) 4251 } 4252 }, { 4253 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", 4254 .generic_driver = "authenc(hmac-sha384-lib,rfc3686(ctr(aes-lib)))", 4255 .test = alg_test_aead, 4256 .fips_allowed = 1, 4257 .suite = { 4258 .aead = __VECS(hmac_sha384_aes_ctr_rfc3686_tv_temp) 4259 } 4260 }, { 4261 .alg = "authenc(hmac(sha512),cbc(aes))", 4262 .generic_driver = "authenc(hmac-sha512-lib,cbc(aes-lib))", 4263 .fips_allowed = 1, 4264 .test = alg_test_aead, 4265 .suite = { 4266 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp) 4267 } 4268 }, { 4269 .alg = "authenc(hmac(sha512),cbc(des))", 4270 .generic_driver = "authenc(hmac-sha512-lib,cbc(des-generic))", 4271 .test = alg_test_aead, 4272 .suite = { 4273 .aead = __VECS(hmac_sha512_des_cbc_tv_temp) 4274 } 4275 }, { 4276 .alg = "authenc(hmac(sha512),cbc(des3_ede))", 4277 .generic_driver = "authenc(hmac-sha512-lib,cbc(des3_ede-generic))", 4278 .test = alg_test_aead, 4279 .suite = { 4280 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp) 4281 } 4282 }, { 4283 .alg = "authenc(hmac(sha512),ctr(aes))", 4284 .test = alg_test_null, 4285 .fips_allowed = 1, 4286 }, { 4287 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", 4288 .generic_driver = "authenc(hmac-sha512-lib,rfc3686(ctr(aes-lib)))", 4289 .test = alg_test_aead, 4290 .fips_allowed = 1, 4291 .suite = { 4292 .aead = __VECS(hmac_sha512_aes_ctr_rfc3686_tv_temp) 4293 } 4294 }, { 4295 .alg = "blake2b-160", 4296 .generic_driver = "blake2b-160-lib", 4297 .test = alg_test_hash, 4298 .fips_allowed = 0, 4299 .suite = { 4300 .hash = __VECS(blake2b_160_tv_template) 4301 } 4302 }, { 4303 .alg = "blake2b-256", 4304 .generic_driver = "blake2b-256-lib", 4305 .test = alg_test_hash, 4306 .fips_allowed = 0, 4307 .suite = { 4308 .hash = __VECS(blake2b_256_tv_template) 4309 } 4310 }, { 4311 .alg = "blake2b-384", 4312 .generic_driver = "blake2b-384-lib", 4313 .test = alg_test_hash, 4314 .fips_allowed = 0, 4315 .suite = { 4316 .hash = __VECS(blake2b_384_tv_template) 4317 } 4318 }, { 4319 .alg = "blake2b-512", 4320 .generic_driver = "blake2b-512-lib", 4321 .test = alg_test_hash, 4322 .fips_allowed = 0, 4323 .suite = { 4324 .hash = __VECS(blake2b_512_tv_template) 4325 } 4326 }, { 4327 .alg = "cbc(aes)", 4328 .generic_driver = "cbc(aes-lib)", 4329 .test = alg_test_skcipher, 4330 .fips_allowed = 1, 4331 .suite = { 4332 .cipher = __VECS(aes_cbc_tv_template) 4333 }, 4334 }, { 4335 .alg = "cbc(anubis)", 4336 .test = alg_test_skcipher, 4337 .suite = { 4338 .cipher = __VECS(anubis_cbc_tv_template) 4339 }, 4340 }, { 4341 .alg = "cbc(aria)", 4342 .test = alg_test_skcipher, 4343 .suite = { 4344 .cipher = __VECS(aria_cbc_tv_template) 4345 }, 4346 }, { 4347 .alg = "cbc(blowfish)", 4348 .test = alg_test_skcipher, 4349 .suite = { 4350 .cipher = __VECS(bf_cbc_tv_template) 4351 }, 4352 }, { 4353 .alg = "cbc(camellia)", 4354 .test = alg_test_skcipher, 4355 .suite = { 4356 .cipher = __VECS(camellia_cbc_tv_template) 4357 }, 4358 }, { 4359 .alg = "cbc(cast5)", 4360 .test = alg_test_skcipher, 4361 .suite = { 4362 .cipher = __VECS(cast5_cbc_tv_template) 4363 }, 4364 }, { 4365 .alg = "cbc(cast6)", 4366 .test = alg_test_skcipher, 4367 .suite = { 4368 .cipher = __VECS(cast6_cbc_tv_template) 4369 }, 4370 }, { 4371 .alg = "cbc(des)", 4372 .test = alg_test_skcipher, 4373 .suite = { 4374 .cipher = __VECS(des_cbc_tv_template) 4375 }, 4376 }, { 4377 .alg = "cbc(des3_ede)", 4378 .test = alg_test_skcipher, 4379 .suite = { 4380 .cipher = __VECS(des3_ede_cbc_tv_template) 4381 }, 4382 }, { 4383 /* Same as cbc(aes) except the key is stored in 4384 * hardware secure memory which we reference by index 4385 */ 4386 .alg = "cbc(paes)", 4387 .test = alg_test_null, 4388 .fips_allowed = 1, 4389 }, { 4390 /* Same as cbc(sm4) except the key is stored in 4391 * hardware secure memory which we reference by index 4392 */ 4393 .alg = "cbc(psm4)", 4394 .test = alg_test_null, 4395 }, { 4396 .alg = "cbc(serpent)", 4397 .test = alg_test_skcipher, 4398 .suite = { 4399 .cipher = __VECS(serpent_cbc_tv_template) 4400 }, 4401 }, { 4402 .alg = "cbc(sm4)", 4403 .test = alg_test_skcipher, 4404 .suite = { 4405 .cipher = __VECS(sm4_cbc_tv_template) 4406 } 4407 }, { 4408 .alg = "cbc(twofish)", 4409 .test = alg_test_skcipher, 4410 .suite = { 4411 .cipher = __VECS(tf_cbc_tv_template) 4412 }, 4413 }, { 4414 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4415 .alg = "cbc-paes-s390", 4416 .fips_allowed = 1, 4417 .test = alg_test_skcipher, 4418 .suite = { 4419 .cipher = __VECS(aes_cbc_tv_template) 4420 } 4421 }, { 4422 #endif 4423 .alg = "cbcmac(aes)", 4424 .generic_driver = "cbcmac-aes-lib", 4425 .test = alg_test_hash, 4426 .suite = { 4427 .hash = __VECS(aes_cbcmac_tv_template) 4428 } 4429 }, { 4430 .alg = "cbcmac(sm4)", 4431 .test = alg_test_hash, 4432 .suite = { 4433 .hash = __VECS(sm4_cbcmac_tv_template) 4434 } 4435 }, { 4436 .alg = "ccm(aes)", 4437 .generic_driver = "ccm_base(ctr(aes-lib),cbcmac-aes-lib)", 4438 .test = alg_test_aead, 4439 .fips_allowed = 1, 4440 .suite = { 4441 .aead = { 4442 ____VECS(aes_ccm_tv_template), 4443 .einval_allowed = 1, 4444 } 4445 } 4446 }, { 4447 .alg = "ccm(sm4)", 4448 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))", 4449 .test = alg_test_aead, 4450 .suite = { 4451 .aead = { 4452 ____VECS(sm4_ccm_tv_template), 4453 .einval_allowed = 1, 4454 } 4455 } 4456 }, { 4457 .alg = "chacha20", 4458 .generic_driver = "chacha20-lib", 4459 .test = alg_test_skcipher, 4460 .suite = { 4461 .cipher = __VECS(chacha20_tv_template) 4462 }, 4463 }, { 4464 .alg = "cmac(aes)", 4465 .generic_driver = "cmac-aes-lib", 4466 .fips_allowed = 1, 4467 .test = alg_test_hash, 4468 .suite = { 4469 .hash = __VECS(aes_cmac128_tv_template) 4470 } 4471 }, { 4472 .alg = "cmac(camellia)", 4473 .test = alg_test_hash, 4474 .suite = { 4475 .hash = __VECS(camellia_cmac128_tv_template) 4476 } 4477 }, { 4478 .alg = "cmac(des3_ede)", 4479 .test = alg_test_hash, 4480 .suite = { 4481 .hash = __VECS(des3_ede_cmac64_tv_template) 4482 } 4483 }, { 4484 .alg = "cmac(sm4)", 4485 .test = alg_test_hash, 4486 .suite = { 4487 .hash = __VECS(sm4_cmac128_tv_template) 4488 } 4489 }, { 4490 .alg = "crc32", 4491 .generic_driver = "crc32-lib", 4492 .test = alg_test_hash, 4493 .fips_allowed = 1, 4494 .suite = { 4495 .hash = __VECS(crc32_tv_template) 4496 } 4497 }, { 4498 .alg = "crc32c", 4499 .generic_driver = "crc32c-lib", 4500 .test = alg_test_hash, 4501 .fips_allowed = 1, 4502 .suite = { 4503 .hash = __VECS(crc32c_tv_template) 4504 } 4505 }, { 4506 .alg = "ctr(aes)", 4507 .generic_driver = "ctr(aes-lib)", 4508 .test = alg_test_skcipher, 4509 .fips_allowed = 1, 4510 .suite = { 4511 .cipher = __VECS(aes_ctr_tv_template) 4512 } 4513 }, { 4514 .alg = "ctr(aria)", 4515 .test = alg_test_skcipher, 4516 .suite = { 4517 .cipher = __VECS(aria_ctr_tv_template) 4518 } 4519 }, { 4520 .alg = "ctr(blowfish)", 4521 .test = alg_test_skcipher, 4522 .suite = { 4523 .cipher = __VECS(bf_ctr_tv_template) 4524 } 4525 }, { 4526 .alg = "ctr(camellia)", 4527 .test = alg_test_skcipher, 4528 .suite = { 4529 .cipher = __VECS(camellia_ctr_tv_template) 4530 } 4531 }, { 4532 .alg = "ctr(cast5)", 4533 .test = alg_test_skcipher, 4534 .suite = { 4535 .cipher = __VECS(cast5_ctr_tv_template) 4536 } 4537 }, { 4538 .alg = "ctr(cast6)", 4539 .test = alg_test_skcipher, 4540 .suite = { 4541 .cipher = __VECS(cast6_ctr_tv_template) 4542 } 4543 }, { 4544 .alg = "ctr(des)", 4545 .test = alg_test_skcipher, 4546 .suite = { 4547 .cipher = __VECS(des_ctr_tv_template) 4548 } 4549 }, { 4550 .alg = "ctr(des3_ede)", 4551 .test = alg_test_skcipher, 4552 .suite = { 4553 .cipher = __VECS(des3_ede_ctr_tv_template) 4554 } 4555 }, { 4556 /* Same as ctr(aes) except the key is stored in 4557 * hardware secure memory which we reference by index 4558 */ 4559 .alg = "ctr(paes)", 4560 .test = alg_test_null, 4561 .fips_allowed = 1, 4562 }, { 4563 4564 /* Same as ctr(sm4) except the key is stored in 4565 * hardware secure memory which we reference by index 4566 */ 4567 .alg = "ctr(psm4)", 4568 .test = alg_test_null, 4569 }, { 4570 .alg = "ctr(serpent)", 4571 .test = alg_test_skcipher, 4572 .suite = { 4573 .cipher = __VECS(serpent_ctr_tv_template) 4574 } 4575 }, { 4576 .alg = "ctr(sm4)", 4577 .test = alg_test_skcipher, 4578 .suite = { 4579 .cipher = __VECS(sm4_ctr_tv_template) 4580 } 4581 }, { 4582 .alg = "ctr(twofish)", 4583 .test = alg_test_skcipher, 4584 .suite = { 4585 .cipher = __VECS(tf_ctr_tv_template) 4586 } 4587 }, { 4588 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4589 .alg = "ctr-paes-s390", 4590 .fips_allowed = 1, 4591 .test = alg_test_skcipher, 4592 .suite = { 4593 .cipher = __VECS(aes_ctr_tv_template) 4594 } 4595 }, { 4596 #endif 4597 .alg = "cts(cbc(aes))", 4598 .generic_driver = "cts(cbc(aes-lib))", 4599 .test = alg_test_skcipher, 4600 .fips_allowed = 1, 4601 .suite = { 4602 .cipher = __VECS(cts_mode_tv_template) 4603 } 4604 }, { 4605 /* Same as cts(cbc((aes)) except the key is stored in 4606 * hardware secure memory which we reference by index 4607 */ 4608 .alg = "cts(cbc(paes))", 4609 .test = alg_test_null, 4610 .fips_allowed = 1, 4611 }, { 4612 .alg = "cts(cbc(sm4))", 4613 .test = alg_test_skcipher, 4614 .suite = { 4615 .cipher = __VECS(sm4_cts_tv_template) 4616 } 4617 }, { 4618 .alg = "deflate", 4619 .test = alg_test_comp, 4620 .fips_allowed = 1, 4621 .suite = { 4622 .comp = { 4623 .comp = __VECS(deflate_comp_tv_template), 4624 .decomp = __VECS(deflate_decomp_tv_template) 4625 } 4626 } 4627 }, { 4628 .alg = "deflate-iaa", 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 .suite = { 4641 .kpp = __VECS(dh_tv_template) 4642 } 4643 }, { 4644 .alg = "digest_null", 4645 .test = alg_test_null, 4646 }, { 4647 .alg = "drbg_nopr_hmac_sha512", 4648 .test = alg_test_drbg, 4649 .fips_allowed = 1, 4650 .suite = { 4651 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template) 4652 } 4653 }, { 4654 .alg = "ecb(aes)", 4655 .generic_driver = "ecb(aes-lib)", 4656 .test = alg_test_skcipher, 4657 .fips_allowed = 1, 4658 .suite = { 4659 .cipher = __VECS(aes_tv_template) 4660 } 4661 }, { 4662 .alg = "ecb(anubis)", 4663 .test = alg_test_skcipher, 4664 .suite = { 4665 .cipher = __VECS(anubis_tv_template) 4666 } 4667 }, { 4668 .alg = "ecb(arc4)", 4669 .generic_driver = "arc4-generic", 4670 .test = alg_test_skcipher, 4671 .suite = { 4672 .cipher = __VECS(arc4_tv_template) 4673 } 4674 }, { 4675 .alg = "ecb(aria)", 4676 .test = alg_test_skcipher, 4677 .suite = { 4678 .cipher = __VECS(aria_tv_template) 4679 } 4680 }, { 4681 .alg = "ecb(blowfish)", 4682 .test = alg_test_skcipher, 4683 .suite = { 4684 .cipher = __VECS(bf_tv_template) 4685 } 4686 }, { 4687 .alg = "ecb(camellia)", 4688 .test = alg_test_skcipher, 4689 .suite = { 4690 .cipher = __VECS(camellia_tv_template) 4691 } 4692 }, { 4693 .alg = "ecb(cast5)", 4694 .test = alg_test_skcipher, 4695 .suite = { 4696 .cipher = __VECS(cast5_tv_template) 4697 } 4698 }, { 4699 .alg = "ecb(cast6)", 4700 .test = alg_test_skcipher, 4701 .suite = { 4702 .cipher = __VECS(cast6_tv_template) 4703 } 4704 }, { 4705 .alg = "ecb(cipher_null)", 4706 .test = alg_test_null, 4707 .fips_allowed = 1, 4708 }, { 4709 .alg = "ecb(des)", 4710 .test = alg_test_skcipher, 4711 .suite = { 4712 .cipher = __VECS(des_tv_template) 4713 } 4714 }, { 4715 .alg = "ecb(des3_ede)", 4716 .test = alg_test_skcipher, 4717 .suite = { 4718 .cipher = __VECS(des3_ede_tv_template) 4719 } 4720 }, { 4721 .alg = "ecb(fcrypt)", 4722 .test = alg_test_skcipher, 4723 .suite = { 4724 .cipher = { 4725 .vecs = fcrypt_pcbc_tv_template, 4726 .count = 1 4727 } 4728 } 4729 }, { 4730 .alg = "ecb(khazad)", 4731 .test = alg_test_skcipher, 4732 .suite = { 4733 .cipher = __VECS(khazad_tv_template) 4734 } 4735 }, { 4736 /* Same as ecb(aes) except the key is stored in 4737 * hardware secure memory which we reference by index 4738 */ 4739 .alg = "ecb(paes)", 4740 .test = alg_test_null, 4741 .fips_allowed = 1, 4742 }, { 4743 .alg = "ecb(seed)", 4744 .test = alg_test_skcipher, 4745 .suite = { 4746 .cipher = __VECS(seed_tv_template) 4747 } 4748 }, { 4749 .alg = "ecb(serpent)", 4750 .test = alg_test_skcipher, 4751 .suite = { 4752 .cipher = __VECS(serpent_tv_template) 4753 } 4754 }, { 4755 .alg = "ecb(sm4)", 4756 .test = alg_test_skcipher, 4757 .suite = { 4758 .cipher = __VECS(sm4_tv_template) 4759 } 4760 }, { 4761 .alg = "ecb(tea)", 4762 .test = alg_test_skcipher, 4763 .suite = { 4764 .cipher = __VECS(tea_tv_template) 4765 } 4766 }, { 4767 .alg = "ecb(twofish)", 4768 .test = alg_test_skcipher, 4769 .suite = { 4770 .cipher = __VECS(tf_tv_template) 4771 } 4772 }, { 4773 .alg = "ecb(xeta)", 4774 .test = alg_test_skcipher, 4775 .suite = { 4776 .cipher = __VECS(xeta_tv_template) 4777 } 4778 }, { 4779 .alg = "ecb(xtea)", 4780 .test = alg_test_skcipher, 4781 .suite = { 4782 .cipher = __VECS(xtea_tv_template) 4783 } 4784 }, { 4785 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4786 .alg = "ecb-paes-s390", 4787 .fips_allowed = 1, 4788 .test = alg_test_skcipher, 4789 .suite = { 4790 .cipher = __VECS(aes_tv_template) 4791 } 4792 }, { 4793 #endif 4794 .alg = "ecdh-nist-p192", 4795 .test = alg_test_kpp, 4796 .suite = { 4797 .kpp = __VECS(ecdh_p192_tv_template) 4798 } 4799 }, { 4800 .alg = "ecdh-nist-p256", 4801 .test = alg_test_kpp, 4802 .fips_allowed = 1, 4803 .suite = { 4804 .kpp = __VECS(ecdh_p256_tv_template) 4805 } 4806 }, { 4807 .alg = "ecdh-nist-p384", 4808 .test = alg_test_kpp, 4809 .fips_allowed = 1, 4810 .suite = { 4811 .kpp = __VECS(ecdh_p384_tv_template) 4812 } 4813 }, { 4814 .alg = "ecdsa-nist-p192", 4815 .test = alg_test_sig, 4816 .suite = { 4817 .sig = __VECS(ecdsa_nist_p192_tv_template) 4818 } 4819 }, { 4820 .alg = "ecdsa-nist-p256", 4821 .test = alg_test_sig, 4822 .fips_allowed = 1, 4823 .suite = { 4824 .sig = __VECS(ecdsa_nist_p256_tv_template) 4825 } 4826 }, { 4827 .alg = "ecdsa-nist-p384", 4828 .test = alg_test_sig, 4829 .fips_allowed = 1, 4830 .suite = { 4831 .sig = __VECS(ecdsa_nist_p384_tv_template) 4832 } 4833 }, { 4834 .alg = "ecdsa-nist-p521", 4835 .test = alg_test_sig, 4836 .fips_allowed = 1, 4837 .suite = { 4838 .sig = __VECS(ecdsa_nist_p521_tv_template) 4839 } 4840 }, { 4841 .alg = "ecrdsa", 4842 .test = alg_test_sig, 4843 .suite = { 4844 .sig = __VECS(ecrdsa_tv_template) 4845 } 4846 }, { 4847 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)", 4848 .generic_driver = "essiv(authenc(hmac-sha256-lib,cbc(aes-lib)),sha256-lib)", 4849 .test = alg_test_aead, 4850 .fips_allowed = 1, 4851 .suite = { 4852 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp) 4853 } 4854 }, { 4855 .alg = "essiv(cbc(aes),sha256)", 4856 .generic_driver = "essiv(cbc(aes-lib),sha256-lib)", 4857 .test = alg_test_skcipher, 4858 .fips_allowed = 1, 4859 .suite = { 4860 .cipher = __VECS(essiv_aes_cbc_tv_template) 4861 } 4862 }, { 4863 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS) 4864 .alg = "ffdhe2048(dh)", 4865 .test = alg_test_kpp, 4866 .fips_allowed = 1, 4867 .suite = { 4868 .kpp = __VECS(ffdhe2048_dh_tv_template) 4869 } 4870 }, { 4871 .alg = "ffdhe3072(dh)", 4872 .test = alg_test_kpp, 4873 .fips_allowed = 1, 4874 .suite = { 4875 .kpp = __VECS(ffdhe3072_dh_tv_template) 4876 } 4877 }, { 4878 .alg = "ffdhe4096(dh)", 4879 .test = alg_test_kpp, 4880 .fips_allowed = 1, 4881 .suite = { 4882 .kpp = __VECS(ffdhe4096_dh_tv_template) 4883 } 4884 }, { 4885 .alg = "ffdhe6144(dh)", 4886 .test = alg_test_kpp, 4887 .fips_allowed = 1, 4888 .suite = { 4889 .kpp = __VECS(ffdhe6144_dh_tv_template) 4890 } 4891 }, { 4892 .alg = "ffdhe8192(dh)", 4893 .test = alg_test_kpp, 4894 .fips_allowed = 1, 4895 .suite = { 4896 .kpp = __VECS(ffdhe8192_dh_tv_template) 4897 } 4898 }, { 4899 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */ 4900 .alg = "gcm(aes)", 4901 .generic_driver = "gcm_base(ctr(aes-lib),ghash-lib)", 4902 .test = alg_test_aead, 4903 .fips_allowed = 1, 4904 .suite = { 4905 .aead = __VECS(aes_gcm_tv_template) 4906 } 4907 }, { 4908 .alg = "gcm(aria)", 4909 .generic_driver = "gcm_base(ctr(aria-generic),ghash-lib)", 4910 .test = alg_test_aead, 4911 .suite = { 4912 .aead = __VECS(aria_gcm_tv_template) 4913 } 4914 }, { 4915 .alg = "gcm(sm4)", 4916 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-lib)", 4917 .test = alg_test_aead, 4918 .suite = { 4919 .aead = __VECS(sm4_gcm_tv_template) 4920 } 4921 }, { 4922 .alg = "hctr2(aes)", 4923 .generic_driver = "hctr2_base(xctr(aes-lib),polyval-lib)", 4924 .test = alg_test_skcipher, 4925 .suite = { 4926 .cipher = __VECS(aes_hctr2_tv_template) 4927 } 4928 }, { 4929 .alg = "hmac(md5)", 4930 .generic_driver = "hmac-md5-lib", 4931 .test = alg_test_hash, 4932 .suite = { 4933 .hash = __VECS(hmac_md5_tv_template) 4934 } 4935 }, { 4936 .alg = "hmac(rmd160)", 4937 .test = alg_test_hash, 4938 .suite = { 4939 .hash = __VECS(hmac_rmd160_tv_template) 4940 } 4941 }, { 4942 .alg = "hmac(sha1)", 4943 .generic_driver = "hmac-sha1-lib", 4944 .test = alg_test_hash, 4945 .fips_allowed = 1, 4946 .suite = { 4947 .hash = __VECS(hmac_sha1_tv_template) 4948 } 4949 }, { 4950 .alg = "hmac(sha224)", 4951 .generic_driver = "hmac-sha224-lib", 4952 .test = alg_test_hash, 4953 .fips_allowed = 1, 4954 .suite = { 4955 .hash = __VECS(hmac_sha224_tv_template) 4956 } 4957 }, { 4958 .alg = "hmac(sha256)", 4959 .generic_driver = "hmac-sha256-lib", 4960 .test = alg_test_hash, 4961 .fips_allowed = 1, 4962 .suite = { 4963 .hash = __VECS(hmac_sha256_tv_template) 4964 } 4965 }, { 4966 .alg = "hmac(sha3-224)", 4967 .generic_driver = "hmac(sha3-224-lib)", 4968 .test = alg_test_hash, 4969 .fips_allowed = 1, 4970 .suite = { 4971 .hash = __VECS(hmac_sha3_224_tv_template) 4972 } 4973 }, { 4974 .alg = "hmac(sha3-256)", 4975 .generic_driver = "hmac(sha3-256-lib)", 4976 .test = alg_test_hash, 4977 .fips_allowed = 1, 4978 .suite = { 4979 .hash = __VECS(hmac_sha3_256_tv_template) 4980 } 4981 }, { 4982 .alg = "hmac(sha3-384)", 4983 .generic_driver = "hmac(sha3-384-lib)", 4984 .test = alg_test_hash, 4985 .fips_allowed = 1, 4986 .suite = { 4987 .hash = __VECS(hmac_sha3_384_tv_template) 4988 } 4989 }, { 4990 .alg = "hmac(sha3-512)", 4991 .generic_driver = "hmac(sha3-512-lib)", 4992 .test = alg_test_hash, 4993 .fips_allowed = 1, 4994 .suite = { 4995 .hash = __VECS(hmac_sha3_512_tv_template) 4996 } 4997 }, { 4998 .alg = "hmac(sha384)", 4999 .generic_driver = "hmac-sha384-lib", 5000 .test = alg_test_hash, 5001 .fips_allowed = 1, 5002 .suite = { 5003 .hash = __VECS(hmac_sha384_tv_template) 5004 } 5005 }, { 5006 .alg = "hmac(sha512)", 5007 .generic_driver = "hmac-sha512-lib", 5008 .test = alg_test_hash, 5009 .fips_allowed = 1, 5010 .suite = { 5011 .hash = __VECS(hmac_sha512_tv_template) 5012 } 5013 }, { 5014 .alg = "hmac(sm3)", 5015 .generic_driver = "hmac(sm3-lib)", 5016 .test = alg_test_hash, 5017 .suite = { 5018 .hash = __VECS(hmac_sm3_tv_template) 5019 } 5020 }, { 5021 .alg = "hmac(streebog256)", 5022 .test = alg_test_hash, 5023 .suite = { 5024 .hash = __VECS(hmac_streebog256_tv_template) 5025 } 5026 }, { 5027 .alg = "hmac(streebog512)", 5028 .test = alg_test_hash, 5029 .suite = { 5030 .hash = __VECS(hmac_streebog512_tv_template) 5031 } 5032 }, { 5033 .alg = "jitterentropy_rng", 5034 .fips_allowed = 1, 5035 .test = alg_test_null, 5036 }, { 5037 .alg = "krb5enc(cmac(camellia),cts(cbc(camellia)))", 5038 .test = alg_test_aead, 5039 .suite.aead = __VECS(krb5_test_camellia_cts_cmac) 5040 }, { 5041 .alg = "lrw(aes)", 5042 .generic_driver = "lrw(ecb(aes-lib))", 5043 .test = alg_test_skcipher, 5044 .suite = { 5045 .cipher = __VECS(aes_lrw_tv_template) 5046 } 5047 }, { 5048 .alg = "lrw(camellia)", 5049 .generic_driver = "lrw(ecb(camellia-generic))", 5050 .test = alg_test_skcipher, 5051 .suite = { 5052 .cipher = __VECS(camellia_lrw_tv_template) 5053 } 5054 }, { 5055 .alg = "lrw(cast6)", 5056 .generic_driver = "lrw(ecb(cast6-generic))", 5057 .test = alg_test_skcipher, 5058 .suite = { 5059 .cipher = __VECS(cast6_lrw_tv_template) 5060 } 5061 }, { 5062 .alg = "lrw(serpent)", 5063 .generic_driver = "lrw(ecb(serpent-generic))", 5064 .test = alg_test_skcipher, 5065 .suite = { 5066 .cipher = __VECS(serpent_lrw_tv_template) 5067 } 5068 }, { 5069 .alg = "lrw(twofish)", 5070 .generic_driver = "lrw(ecb(twofish-generic))", 5071 .test = alg_test_skcipher, 5072 .suite = { 5073 .cipher = __VECS(tf_lrw_tv_template) 5074 } 5075 }, { 5076 .alg = "lz4", 5077 .test = alg_test_comp, 5078 .fips_allowed = 1, 5079 .suite = { 5080 .comp = { 5081 .comp = __VECS(lz4_comp_tv_template), 5082 .decomp = __VECS(lz4_decomp_tv_template) 5083 } 5084 } 5085 }, { 5086 .alg = "lz4hc", 5087 .test = alg_test_comp, 5088 .fips_allowed = 1, 5089 .suite = { 5090 .comp = { 5091 .comp = __VECS(lz4hc_comp_tv_template), 5092 .decomp = __VECS(lz4hc_decomp_tv_template) 5093 } 5094 } 5095 }, { 5096 .alg = "lzo", 5097 .test = alg_test_comp, 5098 .fips_allowed = 1, 5099 .suite = { 5100 .comp = { 5101 .comp = __VECS(lzo_comp_tv_template), 5102 .decomp = __VECS(lzo_decomp_tv_template) 5103 } 5104 } 5105 }, { 5106 .alg = "lzo-rle", 5107 .test = alg_test_comp, 5108 .fips_allowed = 1, 5109 .suite = { 5110 .comp = { 5111 .comp = __VECS(lzorle_comp_tv_template), 5112 .decomp = __VECS(lzorle_decomp_tv_template) 5113 } 5114 } 5115 }, { 5116 .alg = "md4", 5117 .test = alg_test_hash, 5118 .suite = { 5119 .hash = __VECS(md4_tv_template) 5120 } 5121 }, { 5122 .alg = "md5", 5123 .generic_driver = "md5-lib", 5124 .test = alg_test_hash, 5125 .suite = { 5126 .hash = __VECS(md5_tv_template) 5127 } 5128 }, { 5129 .alg = "p1363(ecdsa-nist-p192)", 5130 .test = alg_test_null, 5131 }, { 5132 .alg = "p1363(ecdsa-nist-p256)", 5133 .test = alg_test_sig, 5134 .fips_allowed = 1, 5135 .suite = { 5136 .sig = __VECS(p1363_ecdsa_nist_p256_tv_template) 5137 } 5138 }, { 5139 .alg = "p1363(ecdsa-nist-p384)", 5140 .test = alg_test_null, 5141 .fips_allowed = 1, 5142 }, { 5143 .alg = "p1363(ecdsa-nist-p521)", 5144 .test = alg_test_null, 5145 .fips_allowed = 1, 5146 }, { 5147 .alg = "pcbc(fcrypt)", 5148 .test = alg_test_skcipher, 5149 .suite = { 5150 .cipher = __VECS(fcrypt_pcbc_tv_template) 5151 } 5152 }, { 5153 #if IS_ENABLED(CONFIG_CRYPTO_PHMAC_S390) 5154 .alg = "phmac(sha224)", 5155 .test = alg_test_hash, 5156 .fips_allowed = 1, 5157 .suite = { 5158 .hash = __VECS(hmac_sha224_tv_template) 5159 } 5160 }, { 5161 .alg = "phmac(sha256)", 5162 .test = alg_test_hash, 5163 .fips_allowed = 1, 5164 .suite = { 5165 .hash = __VECS(hmac_sha256_tv_template) 5166 } 5167 }, { 5168 .alg = "phmac(sha384)", 5169 .test = alg_test_hash, 5170 .fips_allowed = 1, 5171 .suite = { 5172 .hash = __VECS(hmac_sha384_tv_template) 5173 } 5174 }, { 5175 .alg = "phmac(sha512)", 5176 .test = alg_test_hash, 5177 .fips_allowed = 1, 5178 .suite = { 5179 .hash = __VECS(hmac_sha512_tv_template) 5180 } 5181 }, { 5182 #endif 5183 .alg = "pkcs1(rsa,none)", 5184 .test = alg_test_sig, 5185 .suite = { 5186 .sig = __VECS(pkcs1_rsa_none_tv_template) 5187 } 5188 }, { 5189 .alg = "pkcs1(rsa,sha1)", 5190 .test = alg_test_null, 5191 }, { 5192 .alg = "pkcs1(rsa,sha224)", 5193 .test = alg_test_null, 5194 .fips_allowed = 1, 5195 }, { 5196 .alg = "pkcs1(rsa,sha256)", 5197 .test = alg_test_sig, 5198 .fips_allowed = 1, 5199 .suite = { 5200 .sig = __VECS(pkcs1_rsa_tv_template) 5201 } 5202 }, { 5203 .alg = "pkcs1(rsa,sha3-256)", 5204 .test = alg_test_null, 5205 .fips_allowed = 1, 5206 }, { 5207 .alg = "pkcs1(rsa,sha3-384)", 5208 .test = alg_test_null, 5209 .fips_allowed = 1, 5210 }, { 5211 .alg = "pkcs1(rsa,sha3-512)", 5212 .test = alg_test_null, 5213 .fips_allowed = 1, 5214 }, { 5215 .alg = "pkcs1(rsa,sha384)", 5216 .test = alg_test_null, 5217 .fips_allowed = 1, 5218 }, { 5219 .alg = "pkcs1(rsa,sha512)", 5220 .test = alg_test_null, 5221 .fips_allowed = 1, 5222 }, { 5223 .alg = "pkcs1pad(rsa)", 5224 .test = alg_test_null, 5225 .fips_allowed = 1, 5226 }, { 5227 .alg = "pkcs1pad(rsa,sha1)", 5228 .test = alg_test_null, 5229 }, { 5230 .alg = "rfc3686(ctr(aes))", 5231 .generic_driver = "rfc3686(ctr(aes-lib))", 5232 .test = alg_test_skcipher, 5233 .fips_allowed = 1, 5234 .suite = { 5235 .cipher = __VECS(aes_ctr_rfc3686_tv_template) 5236 } 5237 }, { 5238 .alg = "rfc3686(ctr(sm4))", 5239 .test = alg_test_skcipher, 5240 .suite = { 5241 .cipher = __VECS(sm4_ctr_rfc3686_tv_template) 5242 } 5243 }, { 5244 .alg = "rfc4106(gcm(aes))", 5245 .generic_driver = "rfc4106(gcm_base(ctr(aes-lib),ghash-lib))", 5246 .test = alg_test_aead, 5247 .fips_allowed = 1, 5248 .suite = { 5249 .aead = { 5250 ____VECS(aes_gcm_rfc4106_tv_template), 5251 .einval_allowed = 1, 5252 .aad_iv = 1, 5253 } 5254 } 5255 }, { 5256 .alg = "rfc4309(ccm(aes))", 5257 .generic_driver = "rfc4309(ccm_base(ctr(aes-lib),cbcmac-aes-lib))", 5258 .test = alg_test_aead, 5259 .fips_allowed = 1, 5260 .suite = { 5261 .aead = { 5262 ____VECS(aes_ccm_rfc4309_tv_template), 5263 .einval_allowed = 1, 5264 .aad_iv = 1, 5265 } 5266 } 5267 }, { 5268 .alg = "rfc4543(gcm(aes))", 5269 .generic_driver = "rfc4543(gcm_base(ctr(aes-lib),ghash-lib))", 5270 .test = alg_test_aead, 5271 .suite = { 5272 .aead = { 5273 ____VECS(aes_gcm_rfc4543_tv_template), 5274 .einval_allowed = 1, 5275 .aad_iv = 1, 5276 } 5277 } 5278 }, { 5279 .alg = "rfc7539(chacha20,poly1305)", 5280 .generic_driver = "rfc7539(chacha20-lib,poly1305-generic)", 5281 .test = alg_test_aead, 5282 .suite = { 5283 .aead = __VECS(rfc7539_tv_template) 5284 } 5285 }, { 5286 .alg = "rfc7539esp(chacha20,poly1305)", 5287 .generic_driver = "rfc7539esp(chacha20-lib,poly1305-generic)", 5288 .test = alg_test_aead, 5289 .suite = { 5290 .aead = { 5291 ____VECS(rfc7539esp_tv_template), 5292 .einval_allowed = 1, 5293 .aad_iv = 1, 5294 } 5295 } 5296 }, { 5297 .alg = "rmd160", 5298 .test = alg_test_hash, 5299 .suite = { 5300 .hash = __VECS(rmd160_tv_template) 5301 } 5302 }, { 5303 .alg = "rsa", 5304 .test = alg_test_akcipher, 5305 .fips_allowed = 1, 5306 .suite = { 5307 .akcipher = __VECS(rsa_tv_template) 5308 } 5309 }, { 5310 .alg = "sha1", 5311 .generic_driver = "sha1-lib", 5312 .test = alg_test_hash, 5313 .fips_allowed = 1, 5314 .suite = { 5315 .hash = __VECS(sha1_tv_template) 5316 } 5317 }, { 5318 .alg = "sha224", 5319 .generic_driver = "sha224-lib", 5320 .test = alg_test_hash, 5321 .fips_allowed = 1, 5322 .suite = { 5323 .hash = __VECS(sha224_tv_template) 5324 } 5325 }, { 5326 .alg = "sha256", 5327 .generic_driver = "sha256-lib", 5328 .test = alg_test_hash, 5329 .fips_allowed = 1, 5330 .suite = { 5331 .hash = __VECS(sha256_tv_template) 5332 } 5333 }, { 5334 .alg = "sha3-224", 5335 .generic_driver = "sha3-224-lib", 5336 .test = alg_test_hash, 5337 .fips_allowed = 1, 5338 .suite = { 5339 .hash = __VECS(sha3_224_tv_template) 5340 } 5341 }, { 5342 .alg = "sha3-256", 5343 .generic_driver = "sha3-256-lib", 5344 .test = alg_test_hash, 5345 .fips_allowed = 1, 5346 .suite = { 5347 .hash = __VECS(sha3_256_tv_template) 5348 } 5349 }, { 5350 .alg = "sha3-384", 5351 .generic_driver = "sha3-384-lib", 5352 .test = alg_test_hash, 5353 .fips_allowed = 1, 5354 .suite = { 5355 .hash = __VECS(sha3_384_tv_template) 5356 } 5357 }, { 5358 .alg = "sha3-512", 5359 .generic_driver = "sha3-512-lib", 5360 .test = alg_test_hash, 5361 .fips_allowed = 1, 5362 .suite = { 5363 .hash = __VECS(sha3_512_tv_template) 5364 } 5365 }, { 5366 .alg = "sha384", 5367 .generic_driver = "sha384-lib", 5368 .test = alg_test_hash, 5369 .fips_allowed = 1, 5370 .suite = { 5371 .hash = __VECS(sha384_tv_template) 5372 } 5373 }, { 5374 .alg = "sha512", 5375 .generic_driver = "sha512-lib", 5376 .test = alg_test_hash, 5377 .fips_allowed = 1, 5378 .suite = { 5379 .hash = __VECS(sha512_tv_template) 5380 } 5381 }, { 5382 .alg = "sm3", 5383 .generic_driver = "sm3-lib", 5384 .test = alg_test_hash, 5385 .suite = { 5386 .hash = __VECS(sm3_tv_template) 5387 } 5388 }, { 5389 .alg = "streebog256", 5390 .test = alg_test_hash, 5391 .suite = { 5392 .hash = __VECS(streebog256_tv_template) 5393 } 5394 }, { 5395 .alg = "streebog512", 5396 .test = alg_test_hash, 5397 .suite = { 5398 .hash = __VECS(streebog512_tv_template) 5399 } 5400 }, { 5401 .alg = "wp256", 5402 .test = alg_test_hash, 5403 .suite = { 5404 .hash = __VECS(wp256_tv_template) 5405 } 5406 }, { 5407 .alg = "wp384", 5408 .test = alg_test_hash, 5409 .suite = { 5410 .hash = __VECS(wp384_tv_template) 5411 } 5412 }, { 5413 .alg = "wp512", 5414 .test = alg_test_hash, 5415 .suite = { 5416 .hash = __VECS(wp512_tv_template) 5417 } 5418 }, { 5419 .alg = "x962(ecdsa-nist-p192)", 5420 .test = alg_test_sig, 5421 .suite = { 5422 .sig = __VECS(x962_ecdsa_nist_p192_tv_template) 5423 } 5424 }, { 5425 .alg = "x962(ecdsa-nist-p256)", 5426 .test = alg_test_sig, 5427 .fips_allowed = 1, 5428 .suite = { 5429 .sig = __VECS(x962_ecdsa_nist_p256_tv_template) 5430 } 5431 }, { 5432 .alg = "x962(ecdsa-nist-p384)", 5433 .test = alg_test_sig, 5434 .fips_allowed = 1, 5435 .suite = { 5436 .sig = __VECS(x962_ecdsa_nist_p384_tv_template) 5437 } 5438 }, { 5439 .alg = "x962(ecdsa-nist-p521)", 5440 .test = alg_test_sig, 5441 .fips_allowed = 1, 5442 .suite = { 5443 .sig = __VECS(x962_ecdsa_nist_p521_tv_template) 5444 } 5445 }, { 5446 .alg = "xcbc(aes)", 5447 .generic_driver = "xcbc-aes-lib", 5448 .test = alg_test_hash, 5449 .suite = { 5450 .hash = __VECS(aes_xcbc128_tv_template) 5451 } 5452 }, { 5453 .alg = "xcbc(sm4)", 5454 .test = alg_test_hash, 5455 .suite = { 5456 .hash = __VECS(sm4_xcbc128_tv_template) 5457 } 5458 }, { 5459 .alg = "xchacha12", 5460 .generic_driver = "xchacha12-lib", 5461 .test = alg_test_skcipher, 5462 .suite = { 5463 .cipher = __VECS(xchacha12_tv_template) 5464 }, 5465 }, { 5466 .alg = "xchacha20", 5467 .generic_driver = "xchacha20-lib", 5468 .test = alg_test_skcipher, 5469 .suite = { 5470 .cipher = __VECS(xchacha20_tv_template) 5471 }, 5472 }, { 5473 .alg = "xctr(aes)", 5474 .generic_driver = "xctr(aes-lib)", 5475 .test = alg_test_skcipher, 5476 .suite = { 5477 .cipher = __VECS(aes_xctr_tv_template) 5478 } 5479 }, { 5480 .alg = "xts(aes)", 5481 .generic_driver = "xts(ecb(aes-lib))", 5482 .test = alg_test_skcipher, 5483 .fips_allowed = 1, 5484 .suite = { 5485 .cipher = __VECS(aes_xts_tv_template) 5486 } 5487 }, { 5488 .alg = "xts(camellia)", 5489 .generic_driver = "xts(ecb(camellia-generic))", 5490 .test = alg_test_skcipher, 5491 .suite = { 5492 .cipher = __VECS(camellia_xts_tv_template) 5493 } 5494 }, { 5495 .alg = "xts(cast6)", 5496 .generic_driver = "xts(ecb(cast6-generic))", 5497 .test = alg_test_skcipher, 5498 .suite = { 5499 .cipher = __VECS(cast6_xts_tv_template) 5500 } 5501 }, { 5502 /* Same as xts(aes) except the key is stored in 5503 * hardware secure memory which we reference by index 5504 */ 5505 .alg = "xts(paes)", 5506 .test = alg_test_null, 5507 .fips_allowed = 1, 5508 }, { 5509 .alg = "xts(serpent)", 5510 .generic_driver = "xts(ecb(serpent-generic))", 5511 .test = alg_test_skcipher, 5512 .suite = { 5513 .cipher = __VECS(serpent_xts_tv_template) 5514 } 5515 }, { 5516 .alg = "xts(sm4)", 5517 .generic_driver = "xts(ecb(sm4-generic))", 5518 .test = alg_test_skcipher, 5519 .suite = { 5520 .cipher = __VECS(sm4_xts_tv_template) 5521 } 5522 }, { 5523 .alg = "xts(twofish)", 5524 .generic_driver = "xts(ecb(twofish-generic))", 5525 .test = alg_test_skcipher, 5526 .suite = { 5527 .cipher = __VECS(tf_xts_tv_template) 5528 } 5529 }, { 5530 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 5531 .alg = "xts-paes-s390", 5532 .fips_allowed = 1, 5533 .test = alg_test_skcipher, 5534 .suite = { 5535 .cipher = __VECS(aes_xts_tv_template) 5536 } 5537 }, { 5538 #endif 5539 .alg = "xxhash64", 5540 .test = alg_test_hash, 5541 .fips_allowed = 1, 5542 .suite = { 5543 .hash = __VECS(xxhash64_tv_template) 5544 } 5545 }, { 5546 .alg = "zstd", 5547 .test = alg_test_comp, 5548 .fips_allowed = 1, 5549 .suite = { 5550 .comp = { 5551 .comp = __VECS(zstd_comp_tv_template), 5552 .decomp = __VECS(zstd_decomp_tv_template) 5553 } 5554 } 5555 } 5556 }; 5557 5558 static void alg_check_test_descs_order(void) 5559 { 5560 int i; 5561 5562 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) { 5563 int diff = strcmp(alg_test_descs[i - 1].alg, 5564 alg_test_descs[i].alg); 5565 5566 if (WARN_ON(diff > 0)) { 5567 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n", 5568 alg_test_descs[i - 1].alg, 5569 alg_test_descs[i].alg); 5570 } 5571 5572 if (WARN_ON(diff == 0)) { 5573 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n", 5574 alg_test_descs[i].alg); 5575 } 5576 } 5577 } 5578 5579 static void alg_check_testvec_configs(void) 5580 { 5581 int i; 5582 5583 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) 5584 WARN_ON(!valid_testvec_config( 5585 &default_cipher_testvec_configs[i])); 5586 5587 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) 5588 WARN_ON(!valid_testvec_config( 5589 &default_hash_testvec_configs[i])); 5590 } 5591 5592 static void testmgr_onetime_init(void) 5593 { 5594 alg_check_test_descs_order(); 5595 alg_check_testvec_configs(); 5596 5597 if (!noslowtests) 5598 pr_warn("alg: full crypto tests enabled. This is intended for developer use only.\n"); 5599 } 5600 5601 static int alg_find_test(const char *alg) 5602 { 5603 int start = 0; 5604 int end = ARRAY_SIZE(alg_test_descs); 5605 5606 while (start < end) { 5607 int i = (start + end) / 2; 5608 int diff = strcmp(alg_test_descs[i].alg, alg); 5609 5610 if (diff > 0) { 5611 end = i; 5612 continue; 5613 } 5614 5615 if (diff < 0) { 5616 start = i + 1; 5617 continue; 5618 } 5619 5620 return i; 5621 } 5622 5623 return -1; 5624 } 5625 5626 static int alg_fips_disabled(const char *driver, const char *alg) 5627 { 5628 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver); 5629 5630 return -ECANCELED; 5631 } 5632 5633 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 5634 { 5635 int i; 5636 int j; 5637 int rc; 5638 5639 if (!fips_enabled && notests) { 5640 printk_once(KERN_INFO "alg: self-tests disabled\n"); 5641 return 0; 5642 } 5643 5644 DO_ONCE(testmgr_onetime_init); 5645 5646 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) { 5647 char nalg[CRYPTO_MAX_ALG_NAME]; 5648 5649 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 5650 sizeof(nalg)) 5651 return -ENAMETOOLONG; 5652 5653 i = alg_find_test(nalg); 5654 if (i < 0) 5655 goto notest; 5656 5657 if (fips_enabled && !alg_test_descs[i].fips_allowed) 5658 goto non_fips_alg; 5659 5660 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask); 5661 goto test_done; 5662 } 5663 5664 i = alg_find_test(alg); 5665 j = alg_find_test(driver); 5666 if (i < 0 && j < 0) 5667 goto notest; 5668 5669 if (fips_enabled) { 5670 if (j >= 0 && !alg_test_descs[j].fips_allowed) 5671 return -EINVAL; 5672 5673 if (i >= 0 && !alg_test_descs[i].fips_allowed) 5674 goto non_fips_alg; 5675 } 5676 5677 rc = 0; 5678 if (i >= 0) 5679 rc |= alg_test_descs[i].test(alg_test_descs + i, driver, 5680 type, mask); 5681 if (j >= 0 && j != i) 5682 rc |= alg_test_descs[j].test(alg_test_descs + j, driver, 5683 type, mask); 5684 5685 test_done: 5686 if (rc) { 5687 if (fips_enabled) { 5688 fips_fail_notify(); 5689 panic("alg: self-tests for %s (%s) failed in fips mode!\n", 5690 driver, alg); 5691 } 5692 pr_warn("alg: self-tests for %s using %s failed (rc=%d)", 5693 alg, driver, rc); 5694 WARN(rc != -ENOENT, 5695 "alg: self-tests for %s using %s failed (rc=%d)", 5696 alg, driver, rc); 5697 } else { 5698 if (fips_enabled) 5699 pr_info("alg: self-tests for %s (%s) passed\n", 5700 driver, alg); 5701 } 5702 5703 return rc; 5704 5705 notest: 5706 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) { 5707 char nalg[CRYPTO_MAX_ALG_NAME]; 5708 5709 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 5710 sizeof(nalg)) 5711 goto notest2; 5712 5713 i = alg_find_test(nalg); 5714 if (i < 0) 5715 goto notest2; 5716 5717 if (fips_enabled && !alg_test_descs[i].fips_allowed) 5718 goto non_fips_alg; 5719 5720 rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask); 5721 goto test_done; 5722 } 5723 5724 notest2: 5725 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver); 5726 5727 if (type & CRYPTO_ALG_FIPS_INTERNAL) 5728 return alg_fips_disabled(driver, alg); 5729 5730 return 0; 5731 non_fips_alg: 5732 return alg_fips_disabled(driver, alg); 5733 } 5734 5735 #endif /* CONFIG_CRYPTO_SELFTESTS */ 5736 5737 EXPORT_SYMBOL_GPL(alg_test); 5738