1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Algorithm testing framework and tests. 4 * 5 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 6 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org> 7 * Copyright (c) 2007 Nokia Siemens Networks 8 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> 9 * Copyright (c) 2019 Google LLC 10 * 11 * Updated RFC4106 AES-GCM testing. 12 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com) 13 * Adrian Hoban <adrian.hoban@intel.com> 14 * Gabriele Paoloni <gabriele.paoloni@intel.com> 15 * Tadeusz Struk (tadeusz.struk@intel.com) 16 * Copyright (c) 2010, Intel Corporation. 17 */ 18 19 #include <crypto/aead.h> 20 #include <crypto/hash.h> 21 #include <crypto/skcipher.h> 22 #include <linux/err.h> 23 #include <linux/fips.h> 24 #include <linux/module.h> 25 #include <linux/once.h> 26 #include <linux/random.h> 27 #include <linux/scatterlist.h> 28 #include <linux/slab.h> 29 #include <linux/string.h> 30 #include <linux/uio.h> 31 #include <crypto/rng.h> 32 #include <crypto/drbg.h> 33 #include <crypto/akcipher.h> 34 #include <crypto/kpp.h> 35 #include <crypto/acompress.h> 36 #include <crypto/internal/cipher.h> 37 #include <crypto/internal/simd.h> 38 39 #include "internal.h" 40 41 MODULE_IMPORT_NS(CRYPTO_INTERNAL); 42 43 static bool notests; 44 module_param(notests, bool, 0644); 45 MODULE_PARM_DESC(notests, "disable crypto self-tests"); 46 47 static bool panic_on_fail; 48 module_param(panic_on_fail, bool, 0444); 49 50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 51 static bool noextratests; 52 module_param(noextratests, bool, 0644); 53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests"); 54 55 static unsigned int fuzz_iterations = 100; 56 module_param(fuzz_iterations, uint, 0644); 57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations"); 58 #endif 59 60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS 61 62 /* a perfect nop */ 63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 64 { 65 return 0; 66 } 67 68 #else 69 70 #include "testmgr.h" 71 72 /* 73 * Need slab memory for testing (size in number of pages). 74 */ 75 #define XBUFSIZE 8 76 77 /* 78 * Used by test_cipher() 79 */ 80 #define ENCRYPT 1 81 #define DECRYPT 0 82 83 struct aead_test_suite { 84 const struct aead_testvec *vecs; 85 unsigned int count; 86 87 /* 88 * Set if trying to decrypt an inauthentic ciphertext with this 89 * algorithm might result in EINVAL rather than EBADMSG, due to other 90 * validation the algorithm does on the inputs such as length checks. 91 */ 92 unsigned int einval_allowed : 1; 93 94 /* 95 * Set if this algorithm requires that the IV be located at the end of 96 * the AAD buffer, in addition to being given in the normal way. The 97 * behavior when the two IV copies differ is implementation-defined. 98 */ 99 unsigned int aad_iv : 1; 100 }; 101 102 struct cipher_test_suite { 103 const struct cipher_testvec *vecs; 104 unsigned int count; 105 }; 106 107 struct comp_test_suite { 108 struct { 109 const struct comp_testvec *vecs; 110 unsigned int count; 111 } comp, decomp; 112 }; 113 114 struct hash_test_suite { 115 const struct hash_testvec *vecs; 116 unsigned int count; 117 }; 118 119 struct cprng_test_suite { 120 const struct cprng_testvec *vecs; 121 unsigned int count; 122 }; 123 124 struct drbg_test_suite { 125 const struct drbg_testvec *vecs; 126 unsigned int count; 127 }; 128 129 struct akcipher_test_suite { 130 const struct akcipher_testvec *vecs; 131 unsigned int count; 132 }; 133 134 struct kpp_test_suite { 135 const struct kpp_testvec *vecs; 136 unsigned int count; 137 }; 138 139 struct alg_test_desc { 140 const char *alg; 141 const char *generic_driver; 142 int (*test)(const struct alg_test_desc *desc, const char *driver, 143 u32 type, u32 mask); 144 int fips_allowed; /* set if alg is allowed in fips mode */ 145 146 union { 147 struct aead_test_suite aead; 148 struct cipher_test_suite cipher; 149 struct comp_test_suite comp; 150 struct hash_test_suite hash; 151 struct cprng_test_suite cprng; 152 struct drbg_test_suite drbg; 153 struct akcipher_test_suite akcipher; 154 struct kpp_test_suite kpp; 155 } suite; 156 }; 157 158 static void hexdump(unsigned char *buf, unsigned int len) 159 { 160 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET, 161 16, 1, 162 buf, len, false); 163 } 164 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order) 166 { 167 int i; 168 169 for (i = 0; i < XBUFSIZE; i++) { 170 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order); 171 if (!buf[i]) 172 goto err_free_buf; 173 } 174 175 return 0; 176 177 err_free_buf: 178 while (i-- > 0) 179 free_pages((unsigned long)buf[i], order); 180 181 return -ENOMEM; 182 } 183 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE]) 185 { 186 return __testmgr_alloc_buf(buf, 0); 187 } 188 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order) 190 { 191 int i; 192 193 for (i = 0; i < XBUFSIZE; i++) 194 free_pages((unsigned long)buf[i], order); 195 } 196 197 static void testmgr_free_buf(char *buf[XBUFSIZE]) 198 { 199 __testmgr_free_buf(buf, 0); 200 } 201 202 #define TESTMGR_POISON_BYTE 0xfe 203 #define TESTMGR_POISON_LEN 16 204 205 static inline void testmgr_poison(void *addr, size_t len) 206 { 207 memset(addr, TESTMGR_POISON_BYTE, len); 208 } 209 210 /* Is the memory region still fully poisoned? */ 211 static inline bool testmgr_is_poison(const void *addr, size_t len) 212 { 213 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL; 214 } 215 216 /* flush type for hash algorithms */ 217 enum flush_type { 218 /* merge with update of previous buffer(s) */ 219 FLUSH_TYPE_NONE = 0, 220 221 /* update with previous buffer(s) before doing this one */ 222 FLUSH_TYPE_FLUSH, 223 224 /* likewise, but also export and re-import the intermediate state */ 225 FLUSH_TYPE_REIMPORT, 226 }; 227 228 /* finalization function for hash algorithms */ 229 enum finalization_type { 230 FINALIZATION_TYPE_FINAL, /* use final() */ 231 FINALIZATION_TYPE_FINUP, /* use finup() */ 232 FINALIZATION_TYPE_DIGEST, /* use digest() */ 233 }; 234 235 /* 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 */ 297 struct testvec_config { 298 const char *name; 299 enum inplace_mode inplace_mode; 300 u32 req_flags; 301 struct test_sg_division src_divs[XBUFSIZE]; 302 struct test_sg_division dst_divs[XBUFSIZE]; 303 unsigned int iv_offset; 304 unsigned int key_offset; 305 bool iv_offset_relative_to_alignmask; 306 bool key_offset_relative_to_alignmask; 307 enum finalization_type finalization_type; 308 bool nosimd; 309 }; 310 311 #define TESTVEC_CONFIG_NAMELEN 192 312 313 /* 314 * The following are the lists of testvec_configs to test for each algorithm 315 * type when the basic crypto self-tests are enabled, i.e. when 316 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test 317 * coverage, while keeping the test time much shorter than the full fuzz tests 318 * so that the basic tests can be enabled in a wider range of circumstances. 319 */ 320 321 /* Configs for skciphers and aeads */ 322 static const struct testvec_config default_cipher_testvec_configs[] = { 323 { 324 .name = "in-place (one sglist)", 325 .inplace_mode = INPLACE_ONE_SGLIST, 326 .src_divs = { { .proportion_of_total = 10000 } }, 327 }, { 328 .name = "in-place (two sglists)", 329 .inplace_mode = INPLACE_TWO_SGLISTS, 330 .src_divs = { { .proportion_of_total = 10000 } }, 331 }, { 332 .name = "out-of-place", 333 .inplace_mode = OUT_OF_PLACE, 334 .src_divs = { { .proportion_of_total = 10000 } }, 335 }, { 336 .name = "unaligned buffer, offset=1", 337 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 338 .iv_offset = 1, 339 .key_offset = 1, 340 }, { 341 .name = "buffer aligned only to alignmask", 342 .src_divs = { 343 { 344 .proportion_of_total = 10000, 345 .offset = 1, 346 .offset_relative_to_alignmask = true, 347 }, 348 }, 349 .iv_offset = 1, 350 .iv_offset_relative_to_alignmask = true, 351 .key_offset = 1, 352 .key_offset_relative_to_alignmask = true, 353 }, { 354 .name = "two even aligned splits", 355 .src_divs = { 356 { .proportion_of_total = 5000 }, 357 { .proportion_of_total = 5000 }, 358 }, 359 }, { 360 .name = "uneven misaligned splits, may sleep", 361 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 362 .src_divs = { 363 { .proportion_of_total = 1900, .offset = 33 }, 364 { .proportion_of_total = 3300, .offset = 7 }, 365 { .proportion_of_total = 4800, .offset = 18 }, 366 }, 367 .iv_offset = 3, 368 .key_offset = 3, 369 }, { 370 .name = "misaligned splits crossing pages, inplace", 371 .inplace_mode = INPLACE_ONE_SGLIST, 372 .src_divs = { 373 { 374 .proportion_of_total = 7500, 375 .offset = PAGE_SIZE - 32 376 }, { 377 .proportion_of_total = 2500, 378 .offset = PAGE_SIZE - 7 379 }, 380 }, 381 } 382 }; 383 384 static const struct testvec_config default_hash_testvec_configs[] = { 385 { 386 .name = "init+update+final aligned buffer", 387 .src_divs = { { .proportion_of_total = 10000 } }, 388 .finalization_type = FINALIZATION_TYPE_FINAL, 389 }, { 390 .name = "init+finup aligned buffer", 391 .src_divs = { { .proportion_of_total = 10000 } }, 392 .finalization_type = FINALIZATION_TYPE_FINUP, 393 }, { 394 .name = "digest aligned buffer", 395 .src_divs = { { .proportion_of_total = 10000 } }, 396 .finalization_type = FINALIZATION_TYPE_DIGEST, 397 }, { 398 .name = "init+update+final misaligned buffer", 399 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 400 .finalization_type = FINALIZATION_TYPE_FINAL, 401 .key_offset = 1, 402 }, { 403 .name = "digest buffer aligned only to alignmask", 404 .src_divs = { 405 { 406 .proportion_of_total = 10000, 407 .offset = 1, 408 .offset_relative_to_alignmask = true, 409 }, 410 }, 411 .finalization_type = FINALIZATION_TYPE_DIGEST, 412 .key_offset = 1, 413 .key_offset_relative_to_alignmask = true, 414 }, { 415 .name = "init+update+update+final two even splits", 416 .src_divs = { 417 { .proportion_of_total = 5000 }, 418 { 419 .proportion_of_total = 5000, 420 .flush_type = FLUSH_TYPE_FLUSH, 421 }, 422 }, 423 .finalization_type = FINALIZATION_TYPE_FINAL, 424 }, { 425 .name = "digest uneven misaligned splits, may sleep", 426 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 427 .src_divs = { 428 { .proportion_of_total = 1900, .offset = 33 }, 429 { .proportion_of_total = 3300, .offset = 7 }, 430 { .proportion_of_total = 4800, .offset = 18 }, 431 }, 432 .finalization_type = FINALIZATION_TYPE_DIGEST, 433 }, { 434 .name = "digest misaligned splits crossing pages", 435 .src_divs = { 436 { 437 .proportion_of_total = 7500, 438 .offset = PAGE_SIZE - 32, 439 }, { 440 .proportion_of_total = 2500, 441 .offset = PAGE_SIZE - 7, 442 }, 443 }, 444 .finalization_type = FINALIZATION_TYPE_DIGEST, 445 }, { 446 .name = "import/export", 447 .src_divs = { 448 { 449 .proportion_of_total = 6500, 450 .flush_type = FLUSH_TYPE_REIMPORT, 451 }, { 452 .proportion_of_total = 3500, 453 .flush_type = FLUSH_TYPE_REIMPORT, 454 }, 455 }, 456 .finalization_type = FINALIZATION_TYPE_FINAL, 457 } 458 }; 459 460 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs) 461 { 462 unsigned int remaining = TEST_SG_TOTAL; 463 unsigned int ndivs = 0; 464 465 do { 466 remaining -= divs[ndivs++].proportion_of_total; 467 } while (remaining); 468 469 return ndivs; 470 } 471 472 #define SGDIVS_HAVE_FLUSHES BIT(0) 473 #define SGDIVS_HAVE_NOSIMD BIT(1) 474 475 static bool valid_sg_divisions(const struct test_sg_division *divs, 476 unsigned int count, int *flags_ret) 477 { 478 unsigned int total = 0; 479 unsigned int i; 480 481 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) { 482 if (divs[i].proportion_of_total <= 0 || 483 divs[i].proportion_of_total > TEST_SG_TOTAL - total) 484 return false; 485 total += divs[i].proportion_of_total; 486 if (divs[i].flush_type != FLUSH_TYPE_NONE) 487 *flags_ret |= SGDIVS_HAVE_FLUSHES; 488 if (divs[i].nosimd) 489 *flags_ret |= SGDIVS_HAVE_NOSIMD; 490 } 491 return total == TEST_SG_TOTAL && 492 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL; 493 } 494 495 /* 496 * Check whether the given testvec_config is valid. This isn't strictly needed 497 * since every testvec_config should be valid, but check anyway so that people 498 * don't unknowingly add broken configs that don't do what they wanted. 499 */ 500 static bool valid_testvec_config(const struct testvec_config *cfg) 501 { 502 int flags = 0; 503 504 if (cfg->name == NULL) 505 return false; 506 507 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs), 508 &flags)) 509 return false; 510 511 if (cfg->dst_divs[0].proportion_of_total) { 512 if (!valid_sg_divisions(cfg->dst_divs, 513 ARRAY_SIZE(cfg->dst_divs), &flags)) 514 return false; 515 } else { 516 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs))) 517 return false; 518 /* defaults to dst_divs=src_divs */ 519 } 520 521 if (cfg->iv_offset + 522 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) > 523 MAX_ALGAPI_ALIGNMASK + 1) 524 return false; 525 526 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) && 527 cfg->finalization_type == FINALIZATION_TYPE_DIGEST) 528 return false; 529 530 if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) && 531 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) 532 return false; 533 534 return true; 535 } 536 537 struct test_sglist { 538 char *bufs[XBUFSIZE]; 539 struct scatterlist sgl[XBUFSIZE]; 540 struct scatterlist sgl_saved[XBUFSIZE]; 541 struct scatterlist *sgl_ptr; 542 unsigned int nents; 543 }; 544 545 static int init_test_sglist(struct test_sglist *tsgl) 546 { 547 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */); 548 } 549 550 static void destroy_test_sglist(struct test_sglist *tsgl) 551 { 552 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */); 553 } 554 555 /** 556 * build_test_sglist() - build a scatterlist for a crypto test 557 * 558 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page 559 * buffers which the scatterlist @tsgl->sgl[] will be made to point into. 560 * @divs: the layout specification on which the scatterlist will be based 561 * @alignmask: the algorithm's alignmask 562 * @total_len: the total length of the scatterlist to build in bytes 563 * @data: if non-NULL, the buffers will be filled with this data until it ends. 564 * Otherwise the buffers will be poisoned. In both cases, some bytes 565 * past the end of each buffer will be poisoned to help detect overruns. 566 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry 567 * corresponds will be returned here. This will match @divs except 568 * that divisions resolving to a length of 0 are omitted as they are 569 * not included in the scatterlist. 570 * 571 * Return: 0 or a -errno value 572 */ 573 static int build_test_sglist(struct test_sglist *tsgl, 574 const struct test_sg_division *divs, 575 const unsigned int alignmask, 576 const unsigned int total_len, 577 struct iov_iter *data, 578 const struct test_sg_division *out_divs[XBUFSIZE]) 579 { 580 struct { 581 const struct test_sg_division *div; 582 size_t length; 583 } partitions[XBUFSIZE]; 584 const unsigned int ndivs = count_test_sg_divisions(divs); 585 unsigned int len_remaining = total_len; 586 unsigned int i; 587 588 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl)); 589 if (WARN_ON(ndivs > ARRAY_SIZE(partitions))) 590 return -EINVAL; 591 592 /* Calculate the (div, length) pairs */ 593 tsgl->nents = 0; 594 for (i = 0; i < ndivs; i++) { 595 unsigned int len_this_sg = 596 min(len_remaining, 597 (total_len * divs[i].proportion_of_total + 598 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL); 599 600 if (len_this_sg != 0) { 601 partitions[tsgl->nents].div = &divs[i]; 602 partitions[tsgl->nents].length = len_this_sg; 603 tsgl->nents++; 604 len_remaining -= len_this_sg; 605 } 606 } 607 if (tsgl->nents == 0) { 608 partitions[tsgl->nents].div = &divs[0]; 609 partitions[tsgl->nents].length = 0; 610 tsgl->nents++; 611 } 612 partitions[tsgl->nents - 1].length += len_remaining; 613 614 /* Set up the sgl entries and fill the data or poison */ 615 sg_init_table(tsgl->sgl, tsgl->nents); 616 for (i = 0; i < tsgl->nents; i++) { 617 unsigned int offset = partitions[i].div->offset; 618 void *addr; 619 620 if (partitions[i].div->offset_relative_to_alignmask) 621 offset += alignmask; 622 623 while (offset + partitions[i].length + TESTMGR_POISON_LEN > 624 2 * PAGE_SIZE) { 625 if (WARN_ON(offset <= 0)) 626 return -EINVAL; 627 offset /= 2; 628 } 629 630 addr = &tsgl->bufs[i][offset]; 631 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length); 632 633 if (out_divs) 634 out_divs[i] = partitions[i].div; 635 636 if (data) { 637 size_t copy_len, copied; 638 639 copy_len = min(partitions[i].length, data->count); 640 copied = copy_from_iter(addr, copy_len, data); 641 if (WARN_ON(copied != copy_len)) 642 return -EINVAL; 643 testmgr_poison(addr + copy_len, partitions[i].length + 644 TESTMGR_POISON_LEN - copy_len); 645 } else { 646 testmgr_poison(addr, partitions[i].length + 647 TESTMGR_POISON_LEN); 648 } 649 } 650 651 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]); 652 tsgl->sgl_ptr = tsgl->sgl; 653 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0])); 654 return 0; 655 } 656 657 /* 658 * Verify that a scatterlist crypto operation produced the correct output. 659 * 660 * @tsgl: scatterlist containing the actual output 661 * @expected_output: buffer containing the expected output 662 * @len_to_check: length of @expected_output in bytes 663 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result 664 * @check_poison: verify that the poison bytes after each chunk are intact? 665 * 666 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun. 667 */ 668 static int verify_correct_output(const struct test_sglist *tsgl, 669 const char *expected_output, 670 unsigned int len_to_check, 671 unsigned int unchecked_prefix_len, 672 bool check_poison) 673 { 674 unsigned int i; 675 676 for (i = 0; i < tsgl->nents; i++) { 677 struct scatterlist *sg = &tsgl->sgl_ptr[i]; 678 unsigned int len = sg->length; 679 unsigned int offset = sg->offset; 680 const char *actual_output; 681 682 if (unchecked_prefix_len) { 683 if (unchecked_prefix_len >= len) { 684 unchecked_prefix_len -= len; 685 continue; 686 } 687 offset += unchecked_prefix_len; 688 len -= unchecked_prefix_len; 689 unchecked_prefix_len = 0; 690 } 691 len = min(len, len_to_check); 692 actual_output = page_address(sg_page(sg)) + offset; 693 if (memcmp(expected_output, actual_output, len) != 0) 694 return -EINVAL; 695 if (check_poison && 696 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN)) 697 return -EOVERFLOW; 698 len_to_check -= len; 699 expected_output += len; 700 } 701 if (WARN_ON(len_to_check != 0)) 702 return -EINVAL; 703 return 0; 704 } 705 706 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl) 707 { 708 unsigned int i; 709 710 for (i = 0; i < tsgl->nents; i++) { 711 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link) 712 return true; 713 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset) 714 return true; 715 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length) 716 return true; 717 } 718 return false; 719 } 720 721 struct cipher_test_sglists { 722 struct test_sglist src; 723 struct test_sglist dst; 724 }; 725 726 static struct cipher_test_sglists *alloc_cipher_test_sglists(void) 727 { 728 struct cipher_test_sglists *tsgls; 729 730 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL); 731 if (!tsgls) 732 return NULL; 733 734 if (init_test_sglist(&tsgls->src) != 0) 735 goto fail_kfree; 736 if (init_test_sglist(&tsgls->dst) != 0) 737 goto fail_destroy_src; 738 739 return tsgls; 740 741 fail_destroy_src: 742 destroy_test_sglist(&tsgls->src); 743 fail_kfree: 744 kfree(tsgls); 745 return NULL; 746 } 747 748 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls) 749 { 750 if (tsgls) { 751 destroy_test_sglist(&tsgls->src); 752 destroy_test_sglist(&tsgls->dst); 753 kfree(tsgls); 754 } 755 } 756 757 /* Build the src and dst scatterlists for an skcipher or AEAD test */ 758 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls, 759 const struct testvec_config *cfg, 760 unsigned int alignmask, 761 unsigned int src_total_len, 762 unsigned int dst_total_len, 763 const struct kvec *inputs, 764 unsigned int nr_inputs) 765 { 766 struct iov_iter input; 767 int err; 768 769 iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len); 770 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask, 771 cfg->inplace_mode != OUT_OF_PLACE ? 772 max(dst_total_len, src_total_len) : 773 src_total_len, 774 &input, NULL); 775 if (err) 776 return err; 777 778 /* 779 * In-place crypto operations can use the same scatterlist for both the 780 * source and destination (req->src == req->dst), or can use separate 781 * scatterlists (req->src != req->dst) which point to the same 782 * underlying memory. Make sure to test both cases. 783 */ 784 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) { 785 tsgls->dst.sgl_ptr = tsgls->src.sgl; 786 tsgls->dst.nents = tsgls->src.nents; 787 return 0; 788 } 789 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) { 790 /* 791 * For now we keep it simple and only test the case where the 792 * two scatterlists have identical entries, rather than 793 * different entries that split up the same memory differently. 794 */ 795 memcpy(tsgls->dst.sgl, tsgls->src.sgl, 796 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 797 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl, 798 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 799 tsgls->dst.sgl_ptr = tsgls->dst.sgl; 800 tsgls->dst.nents = tsgls->src.nents; 801 return 0; 802 } 803 /* Out of place */ 804 return build_test_sglist(&tsgls->dst, 805 cfg->dst_divs[0].proportion_of_total ? 806 cfg->dst_divs : cfg->src_divs, 807 alignmask, dst_total_len, NULL, NULL); 808 } 809 810 /* 811 * Support for testing passing a misaligned key to setkey(): 812 * 813 * If cfg->key_offset is set, copy the key into a new buffer at that offset, 814 * optionally adding alignmask. Else, just use the key directly. 815 */ 816 static int prepare_keybuf(const u8 *key, unsigned int ksize, 817 const struct testvec_config *cfg, 818 unsigned int alignmask, 819 const u8 **keybuf_ret, const u8 **keyptr_ret) 820 { 821 unsigned int key_offset = cfg->key_offset; 822 u8 *keybuf = NULL, *keyptr = (u8 *)key; 823 824 if (key_offset != 0) { 825 if (cfg->key_offset_relative_to_alignmask) 826 key_offset += alignmask; 827 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL); 828 if (!keybuf) 829 return -ENOMEM; 830 keyptr = keybuf + key_offset; 831 memcpy(keyptr, key, ksize); 832 } 833 *keybuf_ret = keybuf; 834 *keyptr_ret = keyptr; 835 return 0; 836 } 837 838 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */ 839 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \ 840 ({ \ 841 const u8 *keybuf, *keyptr; \ 842 int err; \ 843 \ 844 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \ 845 &keybuf, &keyptr); \ 846 if (err == 0) { \ 847 err = setkey_f((tfm), keyptr, (ksize)); \ 848 kfree(keybuf); \ 849 } \ 850 err; \ 851 }) 852 853 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 854 855 /* Generate a random length in range [0, max_len], but prefer smaller values */ 856 static unsigned int generate_random_length(unsigned int max_len) 857 { 858 unsigned int len = prandom_u32() % (max_len + 1); 859 860 switch (prandom_u32() % 4) { 861 case 0: 862 return len % 64; 863 case 1: 864 return len % 256; 865 case 2: 866 return len % 1024; 867 default: 868 return len; 869 } 870 } 871 872 /* Flip a random bit in the given nonempty data buffer */ 873 static void flip_random_bit(u8 *buf, size_t size) 874 { 875 size_t bitpos; 876 877 bitpos = prandom_u32() % (size * 8); 878 buf[bitpos / 8] ^= 1 << (bitpos % 8); 879 } 880 881 /* Flip a random byte in the given nonempty data buffer */ 882 static void flip_random_byte(u8 *buf, size_t size) 883 { 884 buf[prandom_u32() % size] ^= 0xff; 885 } 886 887 /* Sometimes make some random changes to the given nonempty data buffer */ 888 static void mutate_buffer(u8 *buf, size_t size) 889 { 890 size_t num_flips; 891 size_t i; 892 893 /* Sometimes flip some bits */ 894 if (prandom_u32() % 4 == 0) { 895 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8); 896 for (i = 0; i < num_flips; i++) 897 flip_random_bit(buf, size); 898 } 899 900 /* Sometimes flip some bytes */ 901 if (prandom_u32() % 4 == 0) { 902 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size); 903 for (i = 0; i < num_flips; i++) 904 flip_random_byte(buf, size); 905 } 906 } 907 908 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */ 909 static void generate_random_bytes(u8 *buf, size_t count) 910 { 911 u8 b; 912 u8 increment; 913 size_t i; 914 915 if (count == 0) 916 return; 917 918 switch (prandom_u32() % 8) { /* Choose a generation strategy */ 919 case 0: 920 case 1: 921 /* All the same byte, plus optional mutations */ 922 switch (prandom_u32() % 4) { 923 case 0: 924 b = 0x00; 925 break; 926 case 1: 927 b = 0xff; 928 break; 929 default: 930 b = (u8)prandom_u32(); 931 break; 932 } 933 memset(buf, b, count); 934 mutate_buffer(buf, count); 935 break; 936 case 2: 937 /* Ascending or descending bytes, plus optional mutations */ 938 increment = (u8)prandom_u32(); 939 b = (u8)prandom_u32(); 940 for (i = 0; i < count; i++, b += increment) 941 buf[i] = b; 942 mutate_buffer(buf, count); 943 break; 944 default: 945 /* Fully random bytes */ 946 for (i = 0; i < count; i++) 947 buf[i] = (u8)prandom_u32(); 948 } 949 } 950 951 static char *generate_random_sgl_divisions(struct test_sg_division *divs, 952 size_t max_divs, char *p, char *end, 953 bool gen_flushes, u32 req_flags) 954 { 955 struct test_sg_division *div = divs; 956 unsigned int remaining = TEST_SG_TOTAL; 957 958 do { 959 unsigned int this_len; 960 const char *flushtype_str; 961 962 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0) 963 this_len = remaining; 964 else 965 this_len = 1 + (prandom_u32() % remaining); 966 div->proportion_of_total = this_len; 967 968 if (prandom_u32() % 4 == 0) 969 div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128); 970 else if (prandom_u32() % 2 == 0) 971 div->offset = prandom_u32() % 32; 972 else 973 div->offset = prandom_u32() % PAGE_SIZE; 974 if (prandom_u32() % 8 == 0) 975 div->offset_relative_to_alignmask = true; 976 977 div->flush_type = FLUSH_TYPE_NONE; 978 if (gen_flushes) { 979 switch (prandom_u32() % 4) { 980 case 0: 981 div->flush_type = FLUSH_TYPE_REIMPORT; 982 break; 983 case 1: 984 div->flush_type = FLUSH_TYPE_FLUSH; 985 break; 986 } 987 } 988 989 if (div->flush_type != FLUSH_TYPE_NONE && 990 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && 991 prandom_u32() % 2 == 0) 992 div->nosimd = true; 993 994 switch (div->flush_type) { 995 case FLUSH_TYPE_FLUSH: 996 if (div->nosimd) 997 flushtype_str = "<flush,nosimd>"; 998 else 999 flushtype_str = "<flush>"; 1000 break; 1001 case FLUSH_TYPE_REIMPORT: 1002 if (div->nosimd) 1003 flushtype_str = "<reimport,nosimd>"; 1004 else 1005 flushtype_str = "<reimport>"; 1006 break; 1007 default: 1008 flushtype_str = ""; 1009 break; 1010 } 1011 1012 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */ 1013 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str, 1014 this_len / 100, this_len % 100, 1015 div->offset_relative_to_alignmask ? 1016 "alignmask" : "", 1017 div->offset, this_len == remaining ? "" : ", "); 1018 remaining -= this_len; 1019 div++; 1020 } while (remaining); 1021 1022 return p; 1023 } 1024 1025 /* Generate a random testvec_config for fuzz testing */ 1026 static void generate_random_testvec_config(struct testvec_config *cfg, 1027 char *name, size_t max_namelen) 1028 { 1029 char *p = name; 1030 char * const end = name + max_namelen; 1031 1032 memset(cfg, 0, sizeof(*cfg)); 1033 1034 cfg->name = name; 1035 1036 p += scnprintf(p, end - p, "random:"); 1037 1038 switch (prandom_u32() % 4) { 1039 case 0: 1040 case 1: 1041 cfg->inplace_mode = OUT_OF_PLACE; 1042 break; 1043 case 2: 1044 cfg->inplace_mode = INPLACE_ONE_SGLIST; 1045 p += scnprintf(p, end - p, " inplace_one_sglist"); 1046 break; 1047 default: 1048 cfg->inplace_mode = INPLACE_TWO_SGLISTS; 1049 p += scnprintf(p, end - p, " inplace_two_sglists"); 1050 break; 1051 } 1052 1053 if (prandom_u32() % 2 == 0) { 1054 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP; 1055 p += scnprintf(p, end - p, " may_sleep"); 1056 } 1057 1058 switch (prandom_u32() % 4) { 1059 case 0: 1060 cfg->finalization_type = FINALIZATION_TYPE_FINAL; 1061 p += scnprintf(p, end - p, " use_final"); 1062 break; 1063 case 1: 1064 cfg->finalization_type = FINALIZATION_TYPE_FINUP; 1065 p += scnprintf(p, end - p, " use_finup"); 1066 break; 1067 default: 1068 cfg->finalization_type = FINALIZATION_TYPE_DIGEST; 1069 p += scnprintf(p, end - p, " use_digest"); 1070 break; 1071 } 1072 1073 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && 1074 prandom_u32() % 2 == 0) { 1075 cfg->nosimd = true; 1076 p += scnprintf(p, end - p, " nosimd"); 1077 } 1078 1079 p += scnprintf(p, end - p, " src_divs=["); 1080 p = generate_random_sgl_divisions(cfg->src_divs, 1081 ARRAY_SIZE(cfg->src_divs), p, end, 1082 (cfg->finalization_type != 1083 FINALIZATION_TYPE_DIGEST), 1084 cfg->req_flags); 1085 p += scnprintf(p, end - p, "]"); 1086 1087 if (cfg->inplace_mode == OUT_OF_PLACE && prandom_u32() % 2 == 0) { 1088 p += scnprintf(p, end - p, " dst_divs=["); 1089 p = generate_random_sgl_divisions(cfg->dst_divs, 1090 ARRAY_SIZE(cfg->dst_divs), 1091 p, end, false, 1092 cfg->req_flags); 1093 p += scnprintf(p, end - p, "]"); 1094 } 1095 1096 if (prandom_u32() % 2 == 0) { 1097 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK); 1098 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset); 1099 } 1100 1101 if (prandom_u32() % 2 == 0) { 1102 cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK); 1103 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset); 1104 } 1105 1106 WARN_ON_ONCE(!valid_testvec_config(cfg)); 1107 } 1108 1109 static void crypto_disable_simd_for_test(void) 1110 { 1111 migrate_disable(); 1112 __this_cpu_write(crypto_simd_disabled_for_test, true); 1113 } 1114 1115 static void crypto_reenable_simd_for_test(void) 1116 { 1117 __this_cpu_write(crypto_simd_disabled_for_test, false); 1118 migrate_enable(); 1119 } 1120 1121 /* 1122 * Given an algorithm name, build the name of the generic implementation of that 1123 * algorithm, assuming the usual naming convention. Specifically, this appends 1124 * "-generic" to every part of the name that is not a template name. Examples: 1125 * 1126 * aes => aes-generic 1127 * cbc(aes) => cbc(aes-generic) 1128 * cts(cbc(aes)) => cts(cbc(aes-generic)) 1129 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic) 1130 * 1131 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long 1132 */ 1133 static int build_generic_driver_name(const char *algname, 1134 char driver_name[CRYPTO_MAX_ALG_NAME]) 1135 { 1136 const char *in = algname; 1137 char *out = driver_name; 1138 size_t len = strlen(algname); 1139 1140 if (len >= CRYPTO_MAX_ALG_NAME) 1141 goto too_long; 1142 do { 1143 const char *in_saved = in; 1144 1145 while (*in && *in != '(' && *in != ')' && *in != ',') 1146 *out++ = *in++; 1147 if (*in != '(' && in > in_saved) { 1148 len += 8; 1149 if (len >= CRYPTO_MAX_ALG_NAME) 1150 goto too_long; 1151 memcpy(out, "-generic", 8); 1152 out += 8; 1153 } 1154 } while ((*out++ = *in++) != '\0'); 1155 return 0; 1156 1157 too_long: 1158 pr_err("alg: generic driver name for \"%s\" would be too long\n", 1159 algname); 1160 return -ENAMETOOLONG; 1161 } 1162 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1163 static void crypto_disable_simd_for_test(void) 1164 { 1165 } 1166 1167 static void crypto_reenable_simd_for_test(void) 1168 { 1169 } 1170 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1171 1172 static int build_hash_sglist(struct test_sglist *tsgl, 1173 const struct hash_testvec *vec, 1174 const struct testvec_config *cfg, 1175 unsigned int alignmask, 1176 const struct test_sg_division *divs[XBUFSIZE]) 1177 { 1178 struct kvec kv; 1179 struct iov_iter input; 1180 1181 kv.iov_base = (void *)vec->plaintext; 1182 kv.iov_len = vec->psize; 1183 iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize); 1184 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize, 1185 &input, divs); 1186 } 1187 1188 static int check_hash_result(const char *type, 1189 const u8 *result, unsigned int digestsize, 1190 const struct hash_testvec *vec, 1191 const char *vec_name, 1192 const char *driver, 1193 const struct testvec_config *cfg) 1194 { 1195 if (memcmp(result, vec->digest, digestsize) != 0) { 1196 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 1197 type, driver, vec_name, cfg->name); 1198 return -EINVAL; 1199 } 1200 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) { 1201 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n", 1202 type, driver, vec_name, cfg->name); 1203 return -EOVERFLOW; 1204 } 1205 return 0; 1206 } 1207 1208 static inline int check_shash_op(const char *op, int err, 1209 const char *driver, const char *vec_name, 1210 const struct testvec_config *cfg) 1211 { 1212 if (err) 1213 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1214 driver, op, err, vec_name, cfg->name); 1215 return err; 1216 } 1217 1218 /* Test one hash test vector in one configuration, using the shash API */ 1219 static int test_shash_vec_cfg(const struct hash_testvec *vec, 1220 const char *vec_name, 1221 const struct testvec_config *cfg, 1222 struct shash_desc *desc, 1223 struct test_sglist *tsgl, 1224 u8 *hashstate) 1225 { 1226 struct crypto_shash *tfm = desc->tfm; 1227 const unsigned int alignmask = crypto_shash_alignmask(tfm); 1228 const unsigned int digestsize = crypto_shash_digestsize(tfm); 1229 const unsigned int statesize = crypto_shash_statesize(tfm); 1230 const char *driver = crypto_shash_driver_name(tfm); 1231 const struct test_sg_division *divs[XBUFSIZE]; 1232 unsigned int i; 1233 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1234 int err; 1235 1236 /* Set the key, if specified */ 1237 if (vec->ksize) { 1238 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize, 1239 cfg, alignmask); 1240 if (err) { 1241 if (err == vec->setkey_error) 1242 return 0; 1243 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1244 driver, vec_name, vec->setkey_error, err, 1245 crypto_shash_get_flags(tfm)); 1246 return err; 1247 } 1248 if (vec->setkey_error) { 1249 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1250 driver, vec_name, vec->setkey_error); 1251 return -EINVAL; 1252 } 1253 } 1254 1255 /* Build the scatterlist for the source data */ 1256 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs); 1257 if (err) { 1258 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1259 driver, vec_name, cfg->name); 1260 return err; 1261 } 1262 1263 /* Do the actual hashing */ 1264 1265 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1266 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1267 1268 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1269 vec->digest_error) { 1270 /* Just using digest() */ 1271 if (tsgl->nents != 1) 1272 return 0; 1273 if (cfg->nosimd) 1274 crypto_disable_simd_for_test(); 1275 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]), 1276 tsgl->sgl[0].length, result); 1277 if (cfg->nosimd) 1278 crypto_reenable_simd_for_test(); 1279 if (err) { 1280 if (err == vec->digest_error) 1281 return 0; 1282 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1283 driver, vec_name, vec->digest_error, err, 1284 cfg->name); 1285 return err; 1286 } 1287 if (vec->digest_error) { 1288 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1289 driver, vec_name, vec->digest_error, cfg->name); 1290 return -EINVAL; 1291 } 1292 goto result_ready; 1293 } 1294 1295 /* Using init(), zero or more update(), then final() or finup() */ 1296 1297 if (cfg->nosimd) 1298 crypto_disable_simd_for_test(); 1299 err = crypto_shash_init(desc); 1300 if (cfg->nosimd) 1301 crypto_reenable_simd_for_test(); 1302 err = check_shash_op("init", err, driver, vec_name, cfg); 1303 if (err) 1304 return err; 1305 1306 for (i = 0; i < tsgl->nents; i++) { 1307 if (i + 1 == tsgl->nents && 1308 cfg->finalization_type == FINALIZATION_TYPE_FINUP) { 1309 if (divs[i]->nosimd) 1310 crypto_disable_simd_for_test(); 1311 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]), 1312 tsgl->sgl[i].length, result); 1313 if (divs[i]->nosimd) 1314 crypto_reenable_simd_for_test(); 1315 err = check_shash_op("finup", err, driver, vec_name, 1316 cfg); 1317 if (err) 1318 return err; 1319 goto result_ready; 1320 } 1321 if (divs[i]->nosimd) 1322 crypto_disable_simd_for_test(); 1323 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]), 1324 tsgl->sgl[i].length); 1325 if (divs[i]->nosimd) 1326 crypto_reenable_simd_for_test(); 1327 err = check_shash_op("update", err, driver, vec_name, cfg); 1328 if (err) 1329 return err; 1330 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1331 /* Test ->export() and ->import() */ 1332 testmgr_poison(hashstate + statesize, 1333 TESTMGR_POISON_LEN); 1334 err = crypto_shash_export(desc, hashstate); 1335 err = check_shash_op("export", err, driver, vec_name, 1336 cfg); 1337 if (err) 1338 return err; 1339 if (!testmgr_is_poison(hashstate + statesize, 1340 TESTMGR_POISON_LEN)) { 1341 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1342 driver, vec_name, cfg->name); 1343 return -EOVERFLOW; 1344 } 1345 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1346 err = crypto_shash_import(desc, hashstate); 1347 err = check_shash_op("import", err, driver, vec_name, 1348 cfg); 1349 if (err) 1350 return err; 1351 } 1352 } 1353 1354 if (cfg->nosimd) 1355 crypto_disable_simd_for_test(); 1356 err = crypto_shash_final(desc, result); 1357 if (cfg->nosimd) 1358 crypto_reenable_simd_for_test(); 1359 err = check_shash_op("final", err, driver, vec_name, cfg); 1360 if (err) 1361 return err; 1362 result_ready: 1363 return check_hash_result("shash", result, digestsize, vec, vec_name, 1364 driver, cfg); 1365 } 1366 1367 static int do_ahash_op(int (*op)(struct ahash_request *req), 1368 struct ahash_request *req, 1369 struct crypto_wait *wait, bool nosimd) 1370 { 1371 int err; 1372 1373 if (nosimd) 1374 crypto_disable_simd_for_test(); 1375 1376 err = op(req); 1377 1378 if (nosimd) 1379 crypto_reenable_simd_for_test(); 1380 1381 return crypto_wait_req(err, wait); 1382 } 1383 1384 static int check_nonfinal_ahash_op(const char *op, int err, 1385 u8 *result, unsigned int digestsize, 1386 const char *driver, const char *vec_name, 1387 const struct testvec_config *cfg) 1388 { 1389 if (err) { 1390 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1391 driver, op, err, vec_name, cfg->name); 1392 return err; 1393 } 1394 if (!testmgr_is_poison(result, digestsize)) { 1395 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n", 1396 driver, op, vec_name, cfg->name); 1397 return -EINVAL; 1398 } 1399 return 0; 1400 } 1401 1402 /* Test one hash test vector in one configuration, using the ahash API */ 1403 static int test_ahash_vec_cfg(const struct hash_testvec *vec, 1404 const char *vec_name, 1405 const struct testvec_config *cfg, 1406 struct ahash_request *req, 1407 struct test_sglist *tsgl, 1408 u8 *hashstate) 1409 { 1410 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1411 const unsigned int alignmask = crypto_ahash_alignmask(tfm); 1412 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1413 const unsigned int statesize = crypto_ahash_statesize(tfm); 1414 const char *driver = crypto_ahash_driver_name(tfm); 1415 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1416 const struct test_sg_division *divs[XBUFSIZE]; 1417 DECLARE_CRYPTO_WAIT(wait); 1418 unsigned int i; 1419 struct scatterlist *pending_sgl; 1420 unsigned int pending_len; 1421 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1422 int err; 1423 1424 /* Set the key, if specified */ 1425 if (vec->ksize) { 1426 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize, 1427 cfg, alignmask); 1428 if (err) { 1429 if (err == vec->setkey_error) 1430 return 0; 1431 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1432 driver, vec_name, vec->setkey_error, err, 1433 crypto_ahash_get_flags(tfm)); 1434 return err; 1435 } 1436 if (vec->setkey_error) { 1437 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1438 driver, vec_name, vec->setkey_error); 1439 return -EINVAL; 1440 } 1441 } 1442 1443 /* Build the scatterlist for the source data */ 1444 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs); 1445 if (err) { 1446 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1447 driver, vec_name, cfg->name); 1448 return err; 1449 } 1450 1451 /* Do the actual hashing */ 1452 1453 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1454 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1455 1456 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1457 vec->digest_error) { 1458 /* Just using digest() */ 1459 ahash_request_set_callback(req, req_flags, crypto_req_done, 1460 &wait); 1461 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize); 1462 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd); 1463 if (err) { 1464 if (err == vec->digest_error) 1465 return 0; 1466 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1467 driver, vec_name, vec->digest_error, err, 1468 cfg->name); 1469 return err; 1470 } 1471 if (vec->digest_error) { 1472 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1473 driver, vec_name, vec->digest_error, cfg->name); 1474 return -EINVAL; 1475 } 1476 goto result_ready; 1477 } 1478 1479 /* Using init(), zero or more update(), then final() or finup() */ 1480 1481 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1482 ahash_request_set_crypt(req, NULL, result, 0); 1483 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd); 1484 err = check_nonfinal_ahash_op("init", err, result, digestsize, 1485 driver, vec_name, cfg); 1486 if (err) 1487 return err; 1488 1489 pending_sgl = NULL; 1490 pending_len = 0; 1491 for (i = 0; i < tsgl->nents; i++) { 1492 if (divs[i]->flush_type != FLUSH_TYPE_NONE && 1493 pending_sgl != NULL) { 1494 /* update() with the pending data */ 1495 ahash_request_set_callback(req, req_flags, 1496 crypto_req_done, &wait); 1497 ahash_request_set_crypt(req, pending_sgl, result, 1498 pending_len); 1499 err = do_ahash_op(crypto_ahash_update, req, &wait, 1500 divs[i]->nosimd); 1501 err = check_nonfinal_ahash_op("update", err, 1502 result, digestsize, 1503 driver, vec_name, cfg); 1504 if (err) 1505 return err; 1506 pending_sgl = NULL; 1507 pending_len = 0; 1508 } 1509 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1510 /* Test ->export() and ->import() */ 1511 testmgr_poison(hashstate + statesize, 1512 TESTMGR_POISON_LEN); 1513 err = crypto_ahash_export(req, hashstate); 1514 err = check_nonfinal_ahash_op("export", err, 1515 result, digestsize, 1516 driver, vec_name, cfg); 1517 if (err) 1518 return err; 1519 if (!testmgr_is_poison(hashstate + statesize, 1520 TESTMGR_POISON_LEN)) { 1521 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1522 driver, vec_name, cfg->name); 1523 return -EOVERFLOW; 1524 } 1525 1526 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1527 err = crypto_ahash_import(req, hashstate); 1528 err = check_nonfinal_ahash_op("import", err, 1529 result, digestsize, 1530 driver, vec_name, cfg); 1531 if (err) 1532 return err; 1533 } 1534 if (pending_sgl == NULL) 1535 pending_sgl = &tsgl->sgl[i]; 1536 pending_len += tsgl->sgl[i].length; 1537 } 1538 1539 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1540 ahash_request_set_crypt(req, pending_sgl, result, pending_len); 1541 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) { 1542 /* finish with update() and final() */ 1543 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd); 1544 err = check_nonfinal_ahash_op("update", err, result, digestsize, 1545 driver, vec_name, cfg); 1546 if (err) 1547 return err; 1548 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd); 1549 if (err) { 1550 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n", 1551 driver, err, vec_name, cfg->name); 1552 return err; 1553 } 1554 } else { 1555 /* finish with finup() */ 1556 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd); 1557 if (err) { 1558 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n", 1559 driver, err, vec_name, cfg->name); 1560 return err; 1561 } 1562 } 1563 1564 result_ready: 1565 return check_hash_result("ahash", result, digestsize, vec, vec_name, 1566 driver, cfg); 1567 } 1568 1569 static int test_hash_vec_cfg(const struct hash_testvec *vec, 1570 const char *vec_name, 1571 const struct testvec_config *cfg, 1572 struct ahash_request *req, 1573 struct shash_desc *desc, 1574 struct test_sglist *tsgl, 1575 u8 *hashstate) 1576 { 1577 int err; 1578 1579 /* 1580 * For algorithms implemented as "shash", most bugs will be detected by 1581 * both the shash and ahash tests. Test the shash API first so that the 1582 * failures involve less indirection, so are easier to debug. 1583 */ 1584 1585 if (desc) { 1586 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl, 1587 hashstate); 1588 if (err) 1589 return err; 1590 } 1591 1592 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate); 1593 } 1594 1595 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num, 1596 struct ahash_request *req, struct shash_desc *desc, 1597 struct test_sglist *tsgl, u8 *hashstate) 1598 { 1599 char vec_name[16]; 1600 unsigned int i; 1601 int err; 1602 1603 sprintf(vec_name, "%u", vec_num); 1604 1605 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) { 1606 err = test_hash_vec_cfg(vec, vec_name, 1607 &default_hash_testvec_configs[i], 1608 req, desc, tsgl, hashstate); 1609 if (err) 1610 return err; 1611 } 1612 1613 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1614 if (!noextratests) { 1615 struct testvec_config cfg; 1616 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1617 1618 for (i = 0; i < fuzz_iterations; i++) { 1619 generate_random_testvec_config(&cfg, cfgname, 1620 sizeof(cfgname)); 1621 err = test_hash_vec_cfg(vec, vec_name, &cfg, 1622 req, desc, tsgl, hashstate); 1623 if (err) 1624 return err; 1625 cond_resched(); 1626 } 1627 } 1628 #endif 1629 return 0; 1630 } 1631 1632 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1633 /* 1634 * Generate a hash test vector from the given implementation. 1635 * Assumes the buffers in 'vec' were already allocated. 1636 */ 1637 static void generate_random_hash_testvec(struct shash_desc *desc, 1638 struct hash_testvec *vec, 1639 unsigned int maxkeysize, 1640 unsigned int maxdatasize, 1641 char *name, size_t max_namelen) 1642 { 1643 /* Data */ 1644 vec->psize = generate_random_length(maxdatasize); 1645 generate_random_bytes((u8 *)vec->plaintext, vec->psize); 1646 1647 /* 1648 * Key: length in range [1, maxkeysize], but usually choose maxkeysize. 1649 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0. 1650 */ 1651 vec->setkey_error = 0; 1652 vec->ksize = 0; 1653 if (maxkeysize) { 1654 vec->ksize = maxkeysize; 1655 if (prandom_u32() % 4 == 0) 1656 vec->ksize = 1 + (prandom_u32() % maxkeysize); 1657 generate_random_bytes((u8 *)vec->key, vec->ksize); 1658 1659 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key, 1660 vec->ksize); 1661 /* If the key couldn't be set, no need to continue to digest. */ 1662 if (vec->setkey_error) 1663 goto done; 1664 } 1665 1666 /* Digest */ 1667 vec->digest_error = crypto_shash_digest(desc, vec->plaintext, 1668 vec->psize, (u8 *)vec->digest); 1669 done: 1670 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"", 1671 vec->psize, vec->ksize); 1672 } 1673 1674 /* 1675 * Test the hash algorithm represented by @req against the corresponding generic 1676 * implementation, if one is available. 1677 */ 1678 static int test_hash_vs_generic_impl(const char *generic_driver, 1679 unsigned int maxkeysize, 1680 struct ahash_request *req, 1681 struct shash_desc *desc, 1682 struct test_sglist *tsgl, 1683 u8 *hashstate) 1684 { 1685 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1686 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1687 const unsigned int blocksize = crypto_ahash_blocksize(tfm); 1688 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 1689 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name; 1690 const char *driver = crypto_ahash_driver_name(tfm); 1691 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 1692 struct crypto_shash *generic_tfm = NULL; 1693 struct shash_desc *generic_desc = NULL; 1694 unsigned int i; 1695 struct hash_testvec vec = { 0 }; 1696 char vec_name[64]; 1697 struct testvec_config *cfg; 1698 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1699 int err; 1700 1701 if (noextratests) 1702 return 0; 1703 1704 if (!generic_driver) { /* Use default naming convention? */ 1705 err = build_generic_driver_name(algname, _generic_driver); 1706 if (err) 1707 return err; 1708 generic_driver = _generic_driver; 1709 } 1710 1711 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 1712 return 0; 1713 1714 generic_tfm = crypto_alloc_shash(generic_driver, 0, 0); 1715 if (IS_ERR(generic_tfm)) { 1716 err = PTR_ERR(generic_tfm); 1717 if (err == -ENOENT) { 1718 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n", 1719 driver, generic_driver); 1720 return 0; 1721 } 1722 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n", 1723 generic_driver, algname, err); 1724 return err; 1725 } 1726 1727 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 1728 if (!cfg) { 1729 err = -ENOMEM; 1730 goto out; 1731 } 1732 1733 generic_desc = kzalloc(sizeof(*desc) + 1734 crypto_shash_descsize(generic_tfm), GFP_KERNEL); 1735 if (!generic_desc) { 1736 err = -ENOMEM; 1737 goto out; 1738 } 1739 generic_desc->tfm = generic_tfm; 1740 1741 /* Check the algorithm properties for consistency. */ 1742 1743 if (digestsize != crypto_shash_digestsize(generic_tfm)) { 1744 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n", 1745 driver, digestsize, 1746 crypto_shash_digestsize(generic_tfm)); 1747 err = -EINVAL; 1748 goto out; 1749 } 1750 1751 if (blocksize != crypto_shash_blocksize(generic_tfm)) { 1752 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n", 1753 driver, blocksize, crypto_shash_blocksize(generic_tfm)); 1754 err = -EINVAL; 1755 goto out; 1756 } 1757 1758 /* 1759 * Now generate test vectors using the generic implementation, and test 1760 * the other implementation against them. 1761 */ 1762 1763 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 1764 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL); 1765 vec.digest = kmalloc(digestsize, GFP_KERNEL); 1766 if (!vec.key || !vec.plaintext || !vec.digest) { 1767 err = -ENOMEM; 1768 goto out; 1769 } 1770 1771 for (i = 0; i < fuzz_iterations * 8; i++) { 1772 generate_random_hash_testvec(generic_desc, &vec, 1773 maxkeysize, maxdatasize, 1774 vec_name, sizeof(vec_name)); 1775 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname)); 1776 1777 err = test_hash_vec_cfg(&vec, vec_name, cfg, 1778 req, desc, tsgl, hashstate); 1779 if (err) 1780 goto out; 1781 cond_resched(); 1782 } 1783 err = 0; 1784 out: 1785 kfree(cfg); 1786 kfree(vec.key); 1787 kfree(vec.plaintext); 1788 kfree(vec.digest); 1789 crypto_free_shash(generic_tfm); 1790 kfree_sensitive(generic_desc); 1791 return err; 1792 } 1793 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1794 static int test_hash_vs_generic_impl(const char *generic_driver, 1795 unsigned int maxkeysize, 1796 struct ahash_request *req, 1797 struct shash_desc *desc, 1798 struct test_sglist *tsgl, 1799 u8 *hashstate) 1800 { 1801 return 0; 1802 } 1803 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1804 1805 static int alloc_shash(const char *driver, u32 type, u32 mask, 1806 struct crypto_shash **tfm_ret, 1807 struct shash_desc **desc_ret) 1808 { 1809 struct crypto_shash *tfm; 1810 struct shash_desc *desc; 1811 1812 tfm = crypto_alloc_shash(driver, type, mask); 1813 if (IS_ERR(tfm)) { 1814 if (PTR_ERR(tfm) == -ENOENT) { 1815 /* 1816 * This algorithm is only available through the ahash 1817 * API, not the shash API, so skip the shash tests. 1818 */ 1819 return 0; 1820 } 1821 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n", 1822 driver, PTR_ERR(tfm)); 1823 return PTR_ERR(tfm); 1824 } 1825 1826 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL); 1827 if (!desc) { 1828 crypto_free_shash(tfm); 1829 return -ENOMEM; 1830 } 1831 desc->tfm = tfm; 1832 1833 *tfm_ret = tfm; 1834 *desc_ret = desc; 1835 return 0; 1836 } 1837 1838 static int __alg_test_hash(const struct hash_testvec *vecs, 1839 unsigned int num_vecs, const char *driver, 1840 u32 type, u32 mask, 1841 const char *generic_driver, unsigned int maxkeysize) 1842 { 1843 struct crypto_ahash *atfm = NULL; 1844 struct ahash_request *req = NULL; 1845 struct crypto_shash *stfm = NULL; 1846 struct shash_desc *desc = NULL; 1847 struct test_sglist *tsgl = NULL; 1848 u8 *hashstate = NULL; 1849 unsigned int statesize; 1850 unsigned int i; 1851 int err; 1852 1853 /* 1854 * Always test the ahash API. This works regardless of whether the 1855 * algorithm is implemented as ahash or shash. 1856 */ 1857 1858 atfm = crypto_alloc_ahash(driver, type, mask); 1859 if (IS_ERR(atfm)) { 1860 pr_err("alg: hash: failed to allocate transform for %s: %ld\n", 1861 driver, PTR_ERR(atfm)); 1862 return PTR_ERR(atfm); 1863 } 1864 driver = crypto_ahash_driver_name(atfm); 1865 1866 req = ahash_request_alloc(atfm, GFP_KERNEL); 1867 if (!req) { 1868 pr_err("alg: hash: failed to allocate request for %s\n", 1869 driver); 1870 err = -ENOMEM; 1871 goto out; 1872 } 1873 1874 /* 1875 * If available also test the shash API, to cover corner cases that may 1876 * be missed by testing the ahash API only. 1877 */ 1878 err = alloc_shash(driver, type, mask, &stfm, &desc); 1879 if (err) 1880 goto out; 1881 1882 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL); 1883 if (!tsgl || init_test_sglist(tsgl) != 0) { 1884 pr_err("alg: hash: failed to allocate test buffers for %s\n", 1885 driver); 1886 kfree(tsgl); 1887 tsgl = NULL; 1888 err = -ENOMEM; 1889 goto out; 1890 } 1891 1892 statesize = crypto_ahash_statesize(atfm); 1893 if (stfm) 1894 statesize = max(statesize, crypto_shash_statesize(stfm)); 1895 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL); 1896 if (!hashstate) { 1897 pr_err("alg: hash: failed to allocate hash state buffer for %s\n", 1898 driver); 1899 err = -ENOMEM; 1900 goto out; 1901 } 1902 1903 for (i = 0; i < num_vecs; i++) { 1904 if (fips_enabled && vecs[i].fips_skip) 1905 continue; 1906 1907 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate); 1908 if (err) 1909 goto out; 1910 cond_resched(); 1911 } 1912 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req, 1913 desc, tsgl, hashstate); 1914 out: 1915 kfree(hashstate); 1916 if (tsgl) { 1917 destroy_test_sglist(tsgl); 1918 kfree(tsgl); 1919 } 1920 kfree(desc); 1921 crypto_free_shash(stfm); 1922 ahash_request_free(req); 1923 crypto_free_ahash(atfm); 1924 return err; 1925 } 1926 1927 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver, 1928 u32 type, u32 mask) 1929 { 1930 const struct hash_testvec *template = desc->suite.hash.vecs; 1931 unsigned int tcount = desc->suite.hash.count; 1932 unsigned int nr_unkeyed, nr_keyed; 1933 unsigned int maxkeysize = 0; 1934 int err; 1935 1936 /* 1937 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests 1938 * first, before setting a key on the tfm. To make this easier, we 1939 * require that the unkeyed test vectors (if any) are listed first. 1940 */ 1941 1942 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) { 1943 if (template[nr_unkeyed].ksize) 1944 break; 1945 } 1946 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) { 1947 if (!template[nr_unkeyed + nr_keyed].ksize) { 1948 pr_err("alg: hash: test vectors for %s out of order, " 1949 "unkeyed ones must come first\n", desc->alg); 1950 return -EINVAL; 1951 } 1952 maxkeysize = max_t(unsigned int, maxkeysize, 1953 template[nr_unkeyed + nr_keyed].ksize); 1954 } 1955 1956 err = 0; 1957 if (nr_unkeyed) { 1958 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask, 1959 desc->generic_driver, maxkeysize); 1960 template += nr_unkeyed; 1961 } 1962 1963 if (!err && nr_keyed) 1964 err = __alg_test_hash(template, nr_keyed, driver, type, mask, 1965 desc->generic_driver, maxkeysize); 1966 1967 return err; 1968 } 1969 1970 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec, 1971 const char *vec_name, 1972 const struct testvec_config *cfg, 1973 struct aead_request *req, 1974 struct cipher_test_sglists *tsgls) 1975 { 1976 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 1977 const unsigned int alignmask = crypto_aead_alignmask(tfm); 1978 const unsigned int ivsize = crypto_aead_ivsize(tfm); 1979 const unsigned int authsize = vec->clen - vec->plen; 1980 const char *driver = crypto_aead_driver_name(tfm); 1981 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1982 const char *op = enc ? "encryption" : "decryption"; 1983 DECLARE_CRYPTO_WAIT(wait); 1984 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 1985 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 1986 cfg->iv_offset + 1987 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 1988 struct kvec input[2]; 1989 int err; 1990 1991 /* Set the key */ 1992 if (vec->wk) 1993 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1994 else 1995 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1996 1997 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen, 1998 cfg, alignmask); 1999 if (err && err != vec->setkey_error) { 2000 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2001 driver, vec_name, vec->setkey_error, err, 2002 crypto_aead_get_flags(tfm)); 2003 return err; 2004 } 2005 if (!err && vec->setkey_error) { 2006 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2007 driver, vec_name, vec->setkey_error); 2008 return -EINVAL; 2009 } 2010 2011 /* Set the authentication tag size */ 2012 err = crypto_aead_setauthsize(tfm, authsize); 2013 if (err && err != vec->setauthsize_error) { 2014 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n", 2015 driver, vec_name, vec->setauthsize_error, err); 2016 return err; 2017 } 2018 if (!err && vec->setauthsize_error) { 2019 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n", 2020 driver, vec_name, vec->setauthsize_error); 2021 return -EINVAL; 2022 } 2023 2024 if (vec->setkey_error || vec->setauthsize_error) 2025 return 0; 2026 2027 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2028 if (WARN_ON(ivsize > MAX_IVLEN)) 2029 return -EINVAL; 2030 if (vec->iv) 2031 memcpy(iv, vec->iv, ivsize); 2032 else 2033 memset(iv, 0, ivsize); 2034 2035 /* Build the src/dst scatterlists */ 2036 input[0].iov_base = (void *)vec->assoc; 2037 input[0].iov_len = vec->alen; 2038 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2039 input[1].iov_len = enc ? vec->plen : vec->clen; 2040 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2041 vec->alen + (enc ? vec->plen : 2042 vec->clen), 2043 vec->alen + (enc ? vec->clen : 2044 vec->plen), 2045 input, 2); 2046 if (err) { 2047 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2048 driver, op, vec_name, cfg->name); 2049 return err; 2050 } 2051 2052 /* Do the actual encryption or decryption */ 2053 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm)); 2054 aead_request_set_callback(req, req_flags, crypto_req_done, &wait); 2055 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2056 enc ? vec->plen : vec->clen, iv); 2057 aead_request_set_ad(req, vec->alen); 2058 if (cfg->nosimd) 2059 crypto_disable_simd_for_test(); 2060 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req); 2061 if (cfg->nosimd) 2062 crypto_reenable_simd_for_test(); 2063 err = crypto_wait_req(err, &wait); 2064 2065 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2066 if (req->cryptlen != (enc ? vec->plen : vec->clen) || 2067 req->assoclen != vec->alen || 2068 req->iv != iv || 2069 req->src != tsgls->src.sgl_ptr || 2070 req->dst != tsgls->dst.sgl_ptr || 2071 crypto_aead_reqtfm(req) != tfm || 2072 req->base.complete != crypto_req_done || 2073 req->base.flags != req_flags || 2074 req->base.data != &wait) { 2075 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2076 driver, op, vec_name, cfg->name); 2077 if (req->cryptlen != (enc ? vec->plen : vec->clen)) 2078 pr_err("alg: aead: changed 'req->cryptlen'\n"); 2079 if (req->assoclen != vec->alen) 2080 pr_err("alg: aead: changed 'req->assoclen'\n"); 2081 if (req->iv != iv) 2082 pr_err("alg: aead: changed 'req->iv'\n"); 2083 if (req->src != tsgls->src.sgl_ptr) 2084 pr_err("alg: aead: changed 'req->src'\n"); 2085 if (req->dst != tsgls->dst.sgl_ptr) 2086 pr_err("alg: aead: changed 'req->dst'\n"); 2087 if (crypto_aead_reqtfm(req) != tfm) 2088 pr_err("alg: aead: changed 'req->base.tfm'\n"); 2089 if (req->base.complete != crypto_req_done) 2090 pr_err("alg: aead: changed 'req->base.complete'\n"); 2091 if (req->base.flags != req_flags) 2092 pr_err("alg: aead: changed 'req->base.flags'\n"); 2093 if (req->base.data != &wait) 2094 pr_err("alg: aead: changed 'req->base.data'\n"); 2095 return -EINVAL; 2096 } 2097 if (is_test_sglist_corrupted(&tsgls->src)) { 2098 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2099 driver, op, vec_name, cfg->name); 2100 return -EINVAL; 2101 } 2102 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2103 is_test_sglist_corrupted(&tsgls->dst)) { 2104 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2105 driver, op, vec_name, cfg->name); 2106 return -EINVAL; 2107 } 2108 2109 /* Check for unexpected success or failure, or wrong error code */ 2110 if ((err == 0 && vec->novrfy) || 2111 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) { 2112 char expected_error[32]; 2113 2114 if (vec->novrfy && 2115 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG) 2116 sprintf(expected_error, "-EBADMSG or %d", 2117 vec->crypt_error); 2118 else if (vec->novrfy) 2119 sprintf(expected_error, "-EBADMSG"); 2120 else 2121 sprintf(expected_error, "%d", vec->crypt_error); 2122 if (err) { 2123 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n", 2124 driver, op, vec_name, expected_error, err, 2125 cfg->name); 2126 return err; 2127 } 2128 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n", 2129 driver, op, vec_name, expected_error, cfg->name); 2130 return -EINVAL; 2131 } 2132 if (err) /* Expectedly failed. */ 2133 return 0; 2134 2135 /* Check for the correct output (ciphertext or plaintext) */ 2136 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2137 enc ? vec->clen : vec->plen, 2138 vec->alen, 2139 enc || cfg->inplace_mode == OUT_OF_PLACE); 2140 if (err == -EOVERFLOW) { 2141 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2142 driver, op, vec_name, cfg->name); 2143 return err; 2144 } 2145 if (err) { 2146 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2147 driver, op, vec_name, cfg->name); 2148 return err; 2149 } 2150 2151 return 0; 2152 } 2153 2154 static int test_aead_vec(int enc, const struct aead_testvec *vec, 2155 unsigned int vec_num, struct aead_request *req, 2156 struct cipher_test_sglists *tsgls) 2157 { 2158 char vec_name[16]; 2159 unsigned int i; 2160 int err; 2161 2162 if (enc && vec->novrfy) 2163 return 0; 2164 2165 sprintf(vec_name, "%u", vec_num); 2166 2167 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2168 err = test_aead_vec_cfg(enc, vec, vec_name, 2169 &default_cipher_testvec_configs[i], 2170 req, tsgls); 2171 if (err) 2172 return err; 2173 } 2174 2175 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2176 if (!noextratests) { 2177 struct testvec_config cfg; 2178 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2179 2180 for (i = 0; i < fuzz_iterations; i++) { 2181 generate_random_testvec_config(&cfg, cfgname, 2182 sizeof(cfgname)); 2183 err = test_aead_vec_cfg(enc, vec, vec_name, 2184 &cfg, req, tsgls); 2185 if (err) 2186 return err; 2187 cond_resched(); 2188 } 2189 } 2190 #endif 2191 return 0; 2192 } 2193 2194 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2195 2196 struct aead_extra_tests_ctx { 2197 struct aead_request *req; 2198 struct crypto_aead *tfm; 2199 const struct alg_test_desc *test_desc; 2200 struct cipher_test_sglists *tsgls; 2201 unsigned int maxdatasize; 2202 unsigned int maxkeysize; 2203 2204 struct aead_testvec vec; 2205 char vec_name[64]; 2206 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2207 struct testvec_config cfg; 2208 }; 2209 2210 /* 2211 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext" 2212 * here means the full ciphertext including the authentication tag. The 2213 * authentication tag (and hence also the ciphertext) is assumed to be nonempty. 2214 */ 2215 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv, 2216 unsigned int ivsize) 2217 { 2218 const unsigned int aad_tail_size = aad_iv ? ivsize : 0; 2219 const unsigned int authsize = vec->clen - vec->plen; 2220 2221 if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) { 2222 /* Mutate the AAD */ 2223 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size); 2224 if (prandom_u32() % 2 == 0) 2225 return; 2226 } 2227 if (prandom_u32() % 2 == 0) { 2228 /* Mutate auth tag (assuming it's at the end of ciphertext) */ 2229 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize); 2230 } else { 2231 /* Mutate any part of the ciphertext */ 2232 flip_random_bit((u8 *)vec->ctext, vec->clen); 2233 } 2234 } 2235 2236 /* 2237 * Minimum authentication tag size in bytes at which we assume that we can 2238 * reliably generate inauthentic messages, i.e. not generate an authentic 2239 * message by chance. 2240 */ 2241 #define MIN_COLLISION_FREE_AUTHSIZE 8 2242 2243 static void generate_aead_message(struct aead_request *req, 2244 const struct aead_test_suite *suite, 2245 struct aead_testvec *vec, 2246 bool prefer_inauthentic) 2247 { 2248 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2249 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2250 const unsigned int authsize = vec->clen - vec->plen; 2251 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) && 2252 (prefer_inauthentic || prandom_u32() % 4 == 0); 2253 2254 /* Generate the AAD. */ 2255 generate_random_bytes((u8 *)vec->assoc, vec->alen); 2256 if (suite->aad_iv && vec->alen >= ivsize) 2257 /* Avoid implementation-defined behavior. */ 2258 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize); 2259 2260 if (inauthentic && prandom_u32() % 2 == 0) { 2261 /* Generate a random ciphertext. */ 2262 generate_random_bytes((u8 *)vec->ctext, vec->clen); 2263 } else { 2264 int i = 0; 2265 struct scatterlist src[2], dst; 2266 u8 iv[MAX_IVLEN]; 2267 DECLARE_CRYPTO_WAIT(wait); 2268 2269 /* Generate a random plaintext and encrypt it. */ 2270 sg_init_table(src, 2); 2271 if (vec->alen) 2272 sg_set_buf(&src[i++], vec->assoc, vec->alen); 2273 if (vec->plen) { 2274 generate_random_bytes((u8 *)vec->ptext, vec->plen); 2275 sg_set_buf(&src[i++], vec->ptext, vec->plen); 2276 } 2277 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen); 2278 memcpy(iv, vec->iv, ivsize); 2279 aead_request_set_callback(req, 0, crypto_req_done, &wait); 2280 aead_request_set_crypt(req, src, &dst, vec->plen, iv); 2281 aead_request_set_ad(req, vec->alen); 2282 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req), 2283 &wait); 2284 /* If encryption failed, we're done. */ 2285 if (vec->crypt_error != 0) 2286 return; 2287 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen); 2288 if (!inauthentic) 2289 return; 2290 /* 2291 * Mutate the authentic (ciphertext, AAD) pair to get an 2292 * inauthentic one. 2293 */ 2294 mutate_aead_message(vec, suite->aad_iv, ivsize); 2295 } 2296 vec->novrfy = 1; 2297 if (suite->einval_allowed) 2298 vec->crypt_error = -EINVAL; 2299 } 2300 2301 /* 2302 * Generate an AEAD test vector 'vec' using the implementation specified by 2303 * 'req'. The buffers in 'vec' must already be allocated. 2304 * 2305 * If 'prefer_inauthentic' is true, then this function will generate inauthentic 2306 * test vectors (i.e. vectors with 'vec->novrfy=1') more often. 2307 */ 2308 static void generate_random_aead_testvec(struct aead_request *req, 2309 struct aead_testvec *vec, 2310 const struct aead_test_suite *suite, 2311 unsigned int maxkeysize, 2312 unsigned int maxdatasize, 2313 char *name, size_t max_namelen, 2314 bool prefer_inauthentic) 2315 { 2316 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2317 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2318 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm); 2319 unsigned int authsize; 2320 unsigned int total_len; 2321 2322 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 2323 vec->klen = maxkeysize; 2324 if (prandom_u32() % 4 == 0) 2325 vec->klen = prandom_u32() % (maxkeysize + 1); 2326 generate_random_bytes((u8 *)vec->key, vec->klen); 2327 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen); 2328 2329 /* IV */ 2330 generate_random_bytes((u8 *)vec->iv, ivsize); 2331 2332 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */ 2333 authsize = maxauthsize; 2334 if (prandom_u32() % 4 == 0) 2335 authsize = prandom_u32() % (maxauthsize + 1); 2336 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE) 2337 authsize = MIN_COLLISION_FREE_AUTHSIZE; 2338 if (WARN_ON(authsize > maxdatasize)) 2339 authsize = maxdatasize; 2340 maxdatasize -= authsize; 2341 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize); 2342 2343 /* AAD, plaintext, and ciphertext lengths */ 2344 total_len = generate_random_length(maxdatasize); 2345 if (prandom_u32() % 4 == 0) 2346 vec->alen = 0; 2347 else 2348 vec->alen = generate_random_length(total_len); 2349 vec->plen = total_len - vec->alen; 2350 vec->clen = vec->plen + authsize; 2351 2352 /* 2353 * Generate the AAD, plaintext, and ciphertext. Not applicable if the 2354 * key or the authentication tag size couldn't be set. 2355 */ 2356 vec->novrfy = 0; 2357 vec->crypt_error = 0; 2358 if (vec->setkey_error == 0 && vec->setauthsize_error == 0) 2359 generate_aead_message(req, suite, vec, prefer_inauthentic); 2360 snprintf(name, max_namelen, 2361 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"", 2362 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy); 2363 } 2364 2365 static void try_to_generate_inauthentic_testvec( 2366 struct aead_extra_tests_ctx *ctx) 2367 { 2368 int i; 2369 2370 for (i = 0; i < 10; i++) { 2371 generate_random_aead_testvec(ctx->req, &ctx->vec, 2372 &ctx->test_desc->suite.aead, 2373 ctx->maxkeysize, ctx->maxdatasize, 2374 ctx->vec_name, 2375 sizeof(ctx->vec_name), true); 2376 if (ctx->vec.novrfy) 2377 return; 2378 } 2379 } 2380 2381 /* 2382 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the 2383 * result of an encryption with the key) and verify that decryption fails. 2384 */ 2385 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx) 2386 { 2387 unsigned int i; 2388 int err; 2389 2390 for (i = 0; i < fuzz_iterations * 8; i++) { 2391 /* 2392 * Since this part of the tests isn't comparing the 2393 * implementation to another, there's no point in testing any 2394 * test vectors other than inauthentic ones (vec.novrfy=1) here. 2395 * 2396 * If we're having trouble generating such a test vector, e.g. 2397 * if the algorithm keeps rejecting the generated keys, don't 2398 * retry forever; just continue on. 2399 */ 2400 try_to_generate_inauthentic_testvec(ctx); 2401 if (ctx->vec.novrfy) { 2402 generate_random_testvec_config(&ctx->cfg, ctx->cfgname, 2403 sizeof(ctx->cfgname)); 2404 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2405 ctx->vec_name, &ctx->cfg, 2406 ctx->req, ctx->tsgls); 2407 if (err) 2408 return err; 2409 } 2410 cond_resched(); 2411 } 2412 return 0; 2413 } 2414 2415 /* 2416 * Test the AEAD algorithm against the corresponding generic implementation, if 2417 * one is available. 2418 */ 2419 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx) 2420 { 2421 struct crypto_aead *tfm = ctx->tfm; 2422 const char *algname = crypto_aead_alg(tfm)->base.cra_name; 2423 const char *driver = crypto_aead_driver_name(tfm); 2424 const char *generic_driver = ctx->test_desc->generic_driver; 2425 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 2426 struct crypto_aead *generic_tfm = NULL; 2427 struct aead_request *generic_req = NULL; 2428 unsigned int i; 2429 int err; 2430 2431 if (!generic_driver) { /* Use default naming convention? */ 2432 err = build_generic_driver_name(algname, _generic_driver); 2433 if (err) 2434 return err; 2435 generic_driver = _generic_driver; 2436 } 2437 2438 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 2439 return 0; 2440 2441 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0); 2442 if (IS_ERR(generic_tfm)) { 2443 err = PTR_ERR(generic_tfm); 2444 if (err == -ENOENT) { 2445 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n", 2446 driver, generic_driver); 2447 return 0; 2448 } 2449 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n", 2450 generic_driver, algname, err); 2451 return err; 2452 } 2453 2454 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL); 2455 if (!generic_req) { 2456 err = -ENOMEM; 2457 goto out; 2458 } 2459 2460 /* Check the algorithm properties for consistency. */ 2461 2462 if (crypto_aead_maxauthsize(tfm) != 2463 crypto_aead_maxauthsize(generic_tfm)) { 2464 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n", 2465 driver, crypto_aead_maxauthsize(tfm), 2466 crypto_aead_maxauthsize(generic_tfm)); 2467 err = -EINVAL; 2468 goto out; 2469 } 2470 2471 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) { 2472 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n", 2473 driver, crypto_aead_ivsize(tfm), 2474 crypto_aead_ivsize(generic_tfm)); 2475 err = -EINVAL; 2476 goto out; 2477 } 2478 2479 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) { 2480 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n", 2481 driver, crypto_aead_blocksize(tfm), 2482 crypto_aead_blocksize(generic_tfm)); 2483 err = -EINVAL; 2484 goto out; 2485 } 2486 2487 /* 2488 * Now generate test vectors using the generic implementation, and test 2489 * the other implementation against them. 2490 */ 2491 for (i = 0; i < fuzz_iterations * 8; i++) { 2492 generate_random_aead_testvec(generic_req, &ctx->vec, 2493 &ctx->test_desc->suite.aead, 2494 ctx->maxkeysize, ctx->maxdatasize, 2495 ctx->vec_name, 2496 sizeof(ctx->vec_name), false); 2497 generate_random_testvec_config(&ctx->cfg, ctx->cfgname, 2498 sizeof(ctx->cfgname)); 2499 if (!ctx->vec.novrfy) { 2500 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec, 2501 ctx->vec_name, &ctx->cfg, 2502 ctx->req, ctx->tsgls); 2503 if (err) 2504 goto out; 2505 } 2506 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) { 2507 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2508 ctx->vec_name, &ctx->cfg, 2509 ctx->req, ctx->tsgls); 2510 if (err) 2511 goto out; 2512 } 2513 cond_resched(); 2514 } 2515 err = 0; 2516 out: 2517 crypto_free_aead(generic_tfm); 2518 aead_request_free(generic_req); 2519 return err; 2520 } 2521 2522 static int test_aead_extra(const struct alg_test_desc *test_desc, 2523 struct aead_request *req, 2524 struct cipher_test_sglists *tsgls) 2525 { 2526 struct aead_extra_tests_ctx *ctx; 2527 unsigned int i; 2528 int err; 2529 2530 if (noextratests) 2531 return 0; 2532 2533 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 2534 if (!ctx) 2535 return -ENOMEM; 2536 ctx->req = req; 2537 ctx->tfm = crypto_aead_reqtfm(req); 2538 ctx->test_desc = test_desc; 2539 ctx->tsgls = tsgls; 2540 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 2541 ctx->maxkeysize = 0; 2542 for (i = 0; i < test_desc->suite.aead.count; i++) 2543 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize, 2544 test_desc->suite.aead.vecs[i].klen); 2545 2546 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL); 2547 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL); 2548 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2549 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2550 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2551 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc || 2552 !ctx->vec.ptext || !ctx->vec.ctext) { 2553 err = -ENOMEM; 2554 goto out; 2555 } 2556 2557 err = test_aead_vs_generic_impl(ctx); 2558 if (err) 2559 goto out; 2560 2561 err = test_aead_inauthentic_inputs(ctx); 2562 out: 2563 kfree(ctx->vec.key); 2564 kfree(ctx->vec.iv); 2565 kfree(ctx->vec.assoc); 2566 kfree(ctx->vec.ptext); 2567 kfree(ctx->vec.ctext); 2568 kfree(ctx); 2569 return err; 2570 } 2571 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 2572 static int test_aead_extra(const struct alg_test_desc *test_desc, 2573 struct aead_request *req, 2574 struct cipher_test_sglists *tsgls) 2575 { 2576 return 0; 2577 } 2578 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 2579 2580 static int test_aead(int enc, const struct aead_test_suite *suite, 2581 struct aead_request *req, 2582 struct cipher_test_sglists *tsgls) 2583 { 2584 unsigned int i; 2585 int err; 2586 2587 for (i = 0; i < suite->count; i++) { 2588 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls); 2589 if (err) 2590 return err; 2591 cond_resched(); 2592 } 2593 return 0; 2594 } 2595 2596 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, 2597 u32 type, u32 mask) 2598 { 2599 const struct aead_test_suite *suite = &desc->suite.aead; 2600 struct crypto_aead *tfm; 2601 struct aead_request *req = NULL; 2602 struct cipher_test_sglists *tsgls = NULL; 2603 int err; 2604 2605 if (suite->count <= 0) { 2606 pr_err("alg: aead: empty test suite for %s\n", driver); 2607 return -EINVAL; 2608 } 2609 2610 tfm = crypto_alloc_aead(driver, type, mask); 2611 if (IS_ERR(tfm)) { 2612 pr_err("alg: aead: failed to allocate transform for %s: %ld\n", 2613 driver, PTR_ERR(tfm)); 2614 return PTR_ERR(tfm); 2615 } 2616 driver = crypto_aead_driver_name(tfm); 2617 2618 req = aead_request_alloc(tfm, GFP_KERNEL); 2619 if (!req) { 2620 pr_err("alg: aead: failed to allocate request for %s\n", 2621 driver); 2622 err = -ENOMEM; 2623 goto out; 2624 } 2625 2626 tsgls = alloc_cipher_test_sglists(); 2627 if (!tsgls) { 2628 pr_err("alg: aead: failed to allocate test buffers for %s\n", 2629 driver); 2630 err = -ENOMEM; 2631 goto out; 2632 } 2633 2634 err = test_aead(ENCRYPT, suite, req, tsgls); 2635 if (err) 2636 goto out; 2637 2638 err = test_aead(DECRYPT, suite, req, tsgls); 2639 if (err) 2640 goto out; 2641 2642 err = test_aead_extra(desc, req, tsgls); 2643 out: 2644 free_cipher_test_sglists(tsgls); 2645 aead_request_free(req); 2646 crypto_free_aead(tfm); 2647 return err; 2648 } 2649 2650 static int test_cipher(struct crypto_cipher *tfm, int enc, 2651 const struct cipher_testvec *template, 2652 unsigned int tcount) 2653 { 2654 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm)); 2655 unsigned int i, j, k; 2656 char *q; 2657 const char *e; 2658 const char *input, *result; 2659 void *data; 2660 char *xbuf[XBUFSIZE]; 2661 int ret = -ENOMEM; 2662 2663 if (testmgr_alloc_buf(xbuf)) 2664 goto out_nobuf; 2665 2666 if (enc == ENCRYPT) 2667 e = "encryption"; 2668 else 2669 e = "decryption"; 2670 2671 j = 0; 2672 for (i = 0; i < tcount; i++) { 2673 2674 if (fips_enabled && template[i].fips_skip) 2675 continue; 2676 2677 input = enc ? template[i].ptext : template[i].ctext; 2678 result = enc ? template[i].ctext : template[i].ptext; 2679 j++; 2680 2681 ret = -EINVAL; 2682 if (WARN_ON(template[i].len > PAGE_SIZE)) 2683 goto out; 2684 2685 data = xbuf[0]; 2686 memcpy(data, input, template[i].len); 2687 2688 crypto_cipher_clear_flags(tfm, ~0); 2689 if (template[i].wk) 2690 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2691 2692 ret = crypto_cipher_setkey(tfm, template[i].key, 2693 template[i].klen); 2694 if (ret) { 2695 if (ret == template[i].setkey_error) 2696 continue; 2697 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n", 2698 algo, j, template[i].setkey_error, ret, 2699 crypto_cipher_get_flags(tfm)); 2700 goto out; 2701 } 2702 if (template[i].setkey_error) { 2703 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n", 2704 algo, j, template[i].setkey_error); 2705 ret = -EINVAL; 2706 goto out; 2707 } 2708 2709 for (k = 0; k < template[i].len; 2710 k += crypto_cipher_blocksize(tfm)) { 2711 if (enc) 2712 crypto_cipher_encrypt_one(tfm, data + k, 2713 data + k); 2714 else 2715 crypto_cipher_decrypt_one(tfm, data + k, 2716 data + k); 2717 } 2718 2719 q = data; 2720 if (memcmp(q, result, template[i].len)) { 2721 printk(KERN_ERR "alg: cipher: Test %d failed " 2722 "on %s for %s\n", j, e, algo); 2723 hexdump(q, template[i].len); 2724 ret = -EINVAL; 2725 goto out; 2726 } 2727 } 2728 2729 ret = 0; 2730 2731 out: 2732 testmgr_free_buf(xbuf); 2733 out_nobuf: 2734 return ret; 2735 } 2736 2737 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec, 2738 const char *vec_name, 2739 const struct testvec_config *cfg, 2740 struct skcipher_request *req, 2741 struct cipher_test_sglists *tsgls) 2742 { 2743 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 2744 const unsigned int alignmask = crypto_skcipher_alignmask(tfm); 2745 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 2746 const char *driver = crypto_skcipher_driver_name(tfm); 2747 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 2748 const char *op = enc ? "encryption" : "decryption"; 2749 DECLARE_CRYPTO_WAIT(wait); 2750 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 2751 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 2752 cfg->iv_offset + 2753 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 2754 struct kvec input; 2755 int err; 2756 2757 /* Set the key */ 2758 if (vec->wk) 2759 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2760 else 2761 crypto_skcipher_clear_flags(tfm, 2762 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2763 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen, 2764 cfg, alignmask); 2765 if (err) { 2766 if (err == vec->setkey_error) 2767 return 0; 2768 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2769 driver, vec_name, vec->setkey_error, err, 2770 crypto_skcipher_get_flags(tfm)); 2771 return err; 2772 } 2773 if (vec->setkey_error) { 2774 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2775 driver, vec_name, vec->setkey_error); 2776 return -EINVAL; 2777 } 2778 2779 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2780 if (ivsize) { 2781 if (WARN_ON(ivsize > MAX_IVLEN)) 2782 return -EINVAL; 2783 if (vec->generates_iv && !enc) 2784 memcpy(iv, vec->iv_out, ivsize); 2785 else if (vec->iv) 2786 memcpy(iv, vec->iv, ivsize); 2787 else 2788 memset(iv, 0, ivsize); 2789 } else { 2790 if (vec->generates_iv) { 2791 pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n", 2792 driver, vec_name); 2793 return -EINVAL; 2794 } 2795 iv = NULL; 2796 } 2797 2798 /* Build the src/dst scatterlists */ 2799 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2800 input.iov_len = vec->len; 2801 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2802 vec->len, vec->len, &input, 1); 2803 if (err) { 2804 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2805 driver, op, vec_name, cfg->name); 2806 return err; 2807 } 2808 2809 /* Do the actual encryption or decryption */ 2810 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm)); 2811 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait); 2812 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2813 vec->len, iv); 2814 if (cfg->nosimd) 2815 crypto_disable_simd_for_test(); 2816 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req); 2817 if (cfg->nosimd) 2818 crypto_reenable_simd_for_test(); 2819 err = crypto_wait_req(err, &wait); 2820 2821 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2822 if (req->cryptlen != vec->len || 2823 req->iv != iv || 2824 req->src != tsgls->src.sgl_ptr || 2825 req->dst != tsgls->dst.sgl_ptr || 2826 crypto_skcipher_reqtfm(req) != tfm || 2827 req->base.complete != crypto_req_done || 2828 req->base.flags != req_flags || 2829 req->base.data != &wait) { 2830 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2831 driver, op, vec_name, cfg->name); 2832 if (req->cryptlen != vec->len) 2833 pr_err("alg: skcipher: changed 'req->cryptlen'\n"); 2834 if (req->iv != iv) 2835 pr_err("alg: skcipher: changed 'req->iv'\n"); 2836 if (req->src != tsgls->src.sgl_ptr) 2837 pr_err("alg: skcipher: changed 'req->src'\n"); 2838 if (req->dst != tsgls->dst.sgl_ptr) 2839 pr_err("alg: skcipher: changed 'req->dst'\n"); 2840 if (crypto_skcipher_reqtfm(req) != tfm) 2841 pr_err("alg: skcipher: changed 'req->base.tfm'\n"); 2842 if (req->base.complete != crypto_req_done) 2843 pr_err("alg: skcipher: changed 'req->base.complete'\n"); 2844 if (req->base.flags != req_flags) 2845 pr_err("alg: skcipher: changed 'req->base.flags'\n"); 2846 if (req->base.data != &wait) 2847 pr_err("alg: skcipher: changed 'req->base.data'\n"); 2848 return -EINVAL; 2849 } 2850 if (is_test_sglist_corrupted(&tsgls->src)) { 2851 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2852 driver, op, vec_name, cfg->name); 2853 return -EINVAL; 2854 } 2855 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2856 is_test_sglist_corrupted(&tsgls->dst)) { 2857 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2858 driver, op, vec_name, cfg->name); 2859 return -EINVAL; 2860 } 2861 2862 /* Check for success or failure */ 2863 if (err) { 2864 if (err == vec->crypt_error) 2865 return 0; 2866 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 2867 driver, op, vec_name, vec->crypt_error, err, cfg->name); 2868 return err; 2869 } 2870 if (vec->crypt_error) { 2871 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 2872 driver, op, vec_name, vec->crypt_error, cfg->name); 2873 return -EINVAL; 2874 } 2875 2876 /* Check for the correct output (ciphertext or plaintext) */ 2877 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2878 vec->len, 0, true); 2879 if (err == -EOVERFLOW) { 2880 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2881 driver, op, vec_name, cfg->name); 2882 return err; 2883 } 2884 if (err) { 2885 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2886 driver, op, vec_name, cfg->name); 2887 return err; 2888 } 2889 2890 /* If applicable, check that the algorithm generated the correct IV */ 2891 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) { 2892 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n", 2893 driver, op, vec_name, cfg->name); 2894 hexdump(iv, ivsize); 2895 return -EINVAL; 2896 } 2897 2898 return 0; 2899 } 2900 2901 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec, 2902 unsigned int vec_num, 2903 struct skcipher_request *req, 2904 struct cipher_test_sglists *tsgls) 2905 { 2906 char vec_name[16]; 2907 unsigned int i; 2908 int err; 2909 2910 if (fips_enabled && vec->fips_skip) 2911 return 0; 2912 2913 sprintf(vec_name, "%u", vec_num); 2914 2915 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2916 err = test_skcipher_vec_cfg(enc, vec, vec_name, 2917 &default_cipher_testvec_configs[i], 2918 req, tsgls); 2919 if (err) 2920 return err; 2921 } 2922 2923 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2924 if (!noextratests) { 2925 struct testvec_config cfg; 2926 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2927 2928 for (i = 0; i < fuzz_iterations; i++) { 2929 generate_random_testvec_config(&cfg, cfgname, 2930 sizeof(cfgname)); 2931 err = test_skcipher_vec_cfg(enc, vec, vec_name, 2932 &cfg, req, tsgls); 2933 if (err) 2934 return err; 2935 cond_resched(); 2936 } 2937 } 2938 #endif 2939 return 0; 2940 } 2941 2942 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2943 /* 2944 * Generate a symmetric cipher test vector from the given implementation. 2945 * Assumes the buffers in 'vec' were already allocated. 2946 */ 2947 static void generate_random_cipher_testvec(struct skcipher_request *req, 2948 struct cipher_testvec *vec, 2949 unsigned int maxdatasize, 2950 char *name, size_t max_namelen) 2951 { 2952 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 2953 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 2954 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 2955 struct scatterlist src, dst; 2956 u8 iv[MAX_IVLEN]; 2957 DECLARE_CRYPTO_WAIT(wait); 2958 2959 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 2960 vec->klen = maxkeysize; 2961 if (prandom_u32() % 4 == 0) 2962 vec->klen = prandom_u32() % (maxkeysize + 1); 2963 generate_random_bytes((u8 *)vec->key, vec->klen); 2964 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen); 2965 2966 /* IV */ 2967 generate_random_bytes((u8 *)vec->iv, ivsize); 2968 2969 /* Plaintext */ 2970 vec->len = generate_random_length(maxdatasize); 2971 generate_random_bytes((u8 *)vec->ptext, vec->len); 2972 2973 /* If the key couldn't be set, no need to continue to encrypt. */ 2974 if (vec->setkey_error) 2975 goto done; 2976 2977 /* Ciphertext */ 2978 sg_init_one(&src, vec->ptext, vec->len); 2979 sg_init_one(&dst, vec->ctext, vec->len); 2980 memcpy(iv, vec->iv, ivsize); 2981 skcipher_request_set_callback(req, 0, crypto_req_done, &wait); 2982 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv); 2983 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait); 2984 if (vec->crypt_error != 0) { 2985 /* 2986 * The only acceptable error here is for an invalid length, so 2987 * skcipher decryption should fail with the same error too. 2988 * We'll test for this. But to keep the API usage well-defined, 2989 * explicitly initialize the ciphertext buffer too. 2990 */ 2991 memset((u8 *)vec->ctext, 0, vec->len); 2992 } 2993 done: 2994 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"", 2995 vec->len, vec->klen); 2996 } 2997 2998 /* 2999 * Test the skcipher algorithm represented by @req against the corresponding 3000 * generic implementation, if one is available. 3001 */ 3002 static int test_skcipher_vs_generic_impl(const char *generic_driver, 3003 struct skcipher_request *req, 3004 struct cipher_test_sglists *tsgls) 3005 { 3006 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 3007 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 3008 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 3009 const unsigned int blocksize = crypto_skcipher_blocksize(tfm); 3010 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 3011 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name; 3012 const char *driver = crypto_skcipher_driver_name(tfm); 3013 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 3014 struct crypto_skcipher *generic_tfm = NULL; 3015 struct skcipher_request *generic_req = NULL; 3016 unsigned int i; 3017 struct cipher_testvec vec = { 0 }; 3018 char vec_name[64]; 3019 struct testvec_config *cfg; 3020 char cfgname[TESTVEC_CONFIG_NAMELEN]; 3021 int err; 3022 3023 if (noextratests) 3024 return 0; 3025 3026 /* Keywrap isn't supported here yet as it handles its IV differently. */ 3027 if (strncmp(algname, "kw(", 3) == 0) 3028 return 0; 3029 3030 if (!generic_driver) { /* Use default naming convention? */ 3031 err = build_generic_driver_name(algname, _generic_driver); 3032 if (err) 3033 return err; 3034 generic_driver = _generic_driver; 3035 } 3036 3037 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 3038 return 0; 3039 3040 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0); 3041 if (IS_ERR(generic_tfm)) { 3042 err = PTR_ERR(generic_tfm); 3043 if (err == -ENOENT) { 3044 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n", 3045 driver, generic_driver); 3046 return 0; 3047 } 3048 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n", 3049 generic_driver, algname, err); 3050 return err; 3051 } 3052 3053 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 3054 if (!cfg) { 3055 err = -ENOMEM; 3056 goto out; 3057 } 3058 3059 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL); 3060 if (!generic_req) { 3061 err = -ENOMEM; 3062 goto out; 3063 } 3064 3065 /* Check the algorithm properties for consistency. */ 3066 3067 if (crypto_skcipher_min_keysize(tfm) != 3068 crypto_skcipher_min_keysize(generic_tfm)) { 3069 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n", 3070 driver, crypto_skcipher_min_keysize(tfm), 3071 crypto_skcipher_min_keysize(generic_tfm)); 3072 err = -EINVAL; 3073 goto out; 3074 } 3075 3076 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) { 3077 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n", 3078 driver, maxkeysize, 3079 crypto_skcipher_max_keysize(generic_tfm)); 3080 err = -EINVAL; 3081 goto out; 3082 } 3083 3084 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) { 3085 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n", 3086 driver, ivsize, crypto_skcipher_ivsize(generic_tfm)); 3087 err = -EINVAL; 3088 goto out; 3089 } 3090 3091 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) { 3092 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n", 3093 driver, blocksize, 3094 crypto_skcipher_blocksize(generic_tfm)); 3095 err = -EINVAL; 3096 goto out; 3097 } 3098 3099 /* 3100 * Now generate test vectors using the generic implementation, and test 3101 * the other implementation against them. 3102 */ 3103 3104 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 3105 vec.iv = kmalloc(ivsize, GFP_KERNEL); 3106 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL); 3107 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL); 3108 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) { 3109 err = -ENOMEM; 3110 goto out; 3111 } 3112 3113 for (i = 0; i < fuzz_iterations * 8; i++) { 3114 generate_random_cipher_testvec(generic_req, &vec, maxdatasize, 3115 vec_name, sizeof(vec_name)); 3116 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname)); 3117 3118 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name, 3119 cfg, req, tsgls); 3120 if (err) 3121 goto out; 3122 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name, 3123 cfg, req, tsgls); 3124 if (err) 3125 goto out; 3126 cond_resched(); 3127 } 3128 err = 0; 3129 out: 3130 kfree(cfg); 3131 kfree(vec.key); 3132 kfree(vec.iv); 3133 kfree(vec.ptext); 3134 kfree(vec.ctext); 3135 crypto_free_skcipher(generic_tfm); 3136 skcipher_request_free(generic_req); 3137 return err; 3138 } 3139 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 3140 static int test_skcipher_vs_generic_impl(const char *generic_driver, 3141 struct skcipher_request *req, 3142 struct cipher_test_sglists *tsgls) 3143 { 3144 return 0; 3145 } 3146 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 3147 3148 static int test_skcipher(int enc, const struct cipher_test_suite *suite, 3149 struct skcipher_request *req, 3150 struct cipher_test_sglists *tsgls) 3151 { 3152 unsigned int i; 3153 int err; 3154 3155 for (i = 0; i < suite->count; i++) { 3156 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls); 3157 if (err) 3158 return err; 3159 cond_resched(); 3160 } 3161 return 0; 3162 } 3163 3164 static int alg_test_skcipher(const struct alg_test_desc *desc, 3165 const char *driver, u32 type, u32 mask) 3166 { 3167 const struct cipher_test_suite *suite = &desc->suite.cipher; 3168 struct crypto_skcipher *tfm; 3169 struct skcipher_request *req = NULL; 3170 struct cipher_test_sglists *tsgls = NULL; 3171 int err; 3172 3173 if (suite->count <= 0) { 3174 pr_err("alg: skcipher: empty test suite for %s\n", driver); 3175 return -EINVAL; 3176 } 3177 3178 tfm = crypto_alloc_skcipher(driver, type, mask); 3179 if (IS_ERR(tfm)) { 3180 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n", 3181 driver, PTR_ERR(tfm)); 3182 return PTR_ERR(tfm); 3183 } 3184 driver = crypto_skcipher_driver_name(tfm); 3185 3186 req = skcipher_request_alloc(tfm, GFP_KERNEL); 3187 if (!req) { 3188 pr_err("alg: skcipher: failed to allocate request for %s\n", 3189 driver); 3190 err = -ENOMEM; 3191 goto out; 3192 } 3193 3194 tsgls = alloc_cipher_test_sglists(); 3195 if (!tsgls) { 3196 pr_err("alg: skcipher: failed to allocate test buffers for %s\n", 3197 driver); 3198 err = -ENOMEM; 3199 goto out; 3200 } 3201 3202 err = test_skcipher(ENCRYPT, suite, req, tsgls); 3203 if (err) 3204 goto out; 3205 3206 err = test_skcipher(DECRYPT, suite, req, tsgls); 3207 if (err) 3208 goto out; 3209 3210 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls); 3211 out: 3212 free_cipher_test_sglists(tsgls); 3213 skcipher_request_free(req); 3214 crypto_free_skcipher(tfm); 3215 return err; 3216 } 3217 3218 static int test_comp(struct crypto_comp *tfm, 3219 const struct comp_testvec *ctemplate, 3220 const struct comp_testvec *dtemplate, 3221 int ctcount, int dtcount) 3222 { 3223 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm)); 3224 char *output, *decomp_output; 3225 unsigned int i; 3226 int ret; 3227 3228 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3229 if (!output) 3230 return -ENOMEM; 3231 3232 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3233 if (!decomp_output) { 3234 kfree(output); 3235 return -ENOMEM; 3236 } 3237 3238 for (i = 0; i < ctcount; i++) { 3239 int ilen; 3240 unsigned int dlen = COMP_BUF_SIZE; 3241 3242 memset(output, 0, COMP_BUF_SIZE); 3243 memset(decomp_output, 0, COMP_BUF_SIZE); 3244 3245 ilen = ctemplate[i].inlen; 3246 ret = crypto_comp_compress(tfm, ctemplate[i].input, 3247 ilen, output, &dlen); 3248 if (ret) { 3249 printk(KERN_ERR "alg: comp: compression failed " 3250 "on test %d for %s: ret=%d\n", i + 1, algo, 3251 -ret); 3252 goto out; 3253 } 3254 3255 ilen = dlen; 3256 dlen = COMP_BUF_SIZE; 3257 ret = crypto_comp_decompress(tfm, output, 3258 ilen, decomp_output, &dlen); 3259 if (ret) { 3260 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n", 3261 i + 1, algo, -ret); 3262 goto out; 3263 } 3264 3265 if (dlen != ctemplate[i].inlen) { 3266 printk(KERN_ERR "alg: comp: Compression test %d " 3267 "failed for %s: output len = %d\n", i + 1, algo, 3268 dlen); 3269 ret = -EINVAL; 3270 goto out; 3271 } 3272 3273 if (memcmp(decomp_output, ctemplate[i].input, 3274 ctemplate[i].inlen)) { 3275 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n", 3276 i + 1, algo); 3277 hexdump(decomp_output, dlen); 3278 ret = -EINVAL; 3279 goto out; 3280 } 3281 } 3282 3283 for (i = 0; i < dtcount; i++) { 3284 int ilen; 3285 unsigned int dlen = COMP_BUF_SIZE; 3286 3287 memset(decomp_output, 0, COMP_BUF_SIZE); 3288 3289 ilen = dtemplate[i].inlen; 3290 ret = crypto_comp_decompress(tfm, dtemplate[i].input, 3291 ilen, decomp_output, &dlen); 3292 if (ret) { 3293 printk(KERN_ERR "alg: comp: decompression failed " 3294 "on test %d for %s: ret=%d\n", i + 1, algo, 3295 -ret); 3296 goto out; 3297 } 3298 3299 if (dlen != dtemplate[i].outlen) { 3300 printk(KERN_ERR "alg: comp: Decompression test %d " 3301 "failed for %s: output len = %d\n", i + 1, algo, 3302 dlen); 3303 ret = -EINVAL; 3304 goto out; 3305 } 3306 3307 if (memcmp(decomp_output, dtemplate[i].output, dlen)) { 3308 printk(KERN_ERR "alg: comp: Decompression test %d " 3309 "failed for %s\n", i + 1, algo); 3310 hexdump(decomp_output, dlen); 3311 ret = -EINVAL; 3312 goto out; 3313 } 3314 } 3315 3316 ret = 0; 3317 3318 out: 3319 kfree(decomp_output); 3320 kfree(output); 3321 return ret; 3322 } 3323 3324 static int test_acomp(struct crypto_acomp *tfm, 3325 const struct comp_testvec *ctemplate, 3326 const struct comp_testvec *dtemplate, 3327 int ctcount, int dtcount) 3328 { 3329 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm)); 3330 unsigned int i; 3331 char *output, *decomp_out; 3332 int ret; 3333 struct scatterlist src, dst; 3334 struct acomp_req *req; 3335 struct crypto_wait wait; 3336 3337 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3338 if (!output) 3339 return -ENOMEM; 3340 3341 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3342 if (!decomp_out) { 3343 kfree(output); 3344 return -ENOMEM; 3345 } 3346 3347 for (i = 0; i < ctcount; i++) { 3348 unsigned int dlen = COMP_BUF_SIZE; 3349 int ilen = ctemplate[i].inlen; 3350 void *input_vec; 3351 3352 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL); 3353 if (!input_vec) { 3354 ret = -ENOMEM; 3355 goto out; 3356 } 3357 3358 memset(output, 0, dlen); 3359 crypto_init_wait(&wait); 3360 sg_init_one(&src, input_vec, ilen); 3361 sg_init_one(&dst, output, dlen); 3362 3363 req = acomp_request_alloc(tfm); 3364 if (!req) { 3365 pr_err("alg: acomp: request alloc failed for %s\n", 3366 algo); 3367 kfree(input_vec); 3368 ret = -ENOMEM; 3369 goto out; 3370 } 3371 3372 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3373 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3374 crypto_req_done, &wait); 3375 3376 ret = crypto_wait_req(crypto_acomp_compress(req), &wait); 3377 if (ret) { 3378 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3379 i + 1, algo, -ret); 3380 kfree(input_vec); 3381 acomp_request_free(req); 3382 goto out; 3383 } 3384 3385 ilen = req->dlen; 3386 dlen = COMP_BUF_SIZE; 3387 sg_init_one(&src, output, ilen); 3388 sg_init_one(&dst, decomp_out, dlen); 3389 crypto_init_wait(&wait); 3390 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3391 3392 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3393 if (ret) { 3394 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3395 i + 1, algo, -ret); 3396 kfree(input_vec); 3397 acomp_request_free(req); 3398 goto out; 3399 } 3400 3401 if (req->dlen != ctemplate[i].inlen) { 3402 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n", 3403 i + 1, algo, req->dlen); 3404 ret = -EINVAL; 3405 kfree(input_vec); 3406 acomp_request_free(req); 3407 goto out; 3408 } 3409 3410 if (memcmp(input_vec, decomp_out, req->dlen)) { 3411 pr_err("alg: acomp: Compression test %d failed for %s\n", 3412 i + 1, algo); 3413 hexdump(output, req->dlen); 3414 ret = -EINVAL; 3415 kfree(input_vec); 3416 acomp_request_free(req); 3417 goto out; 3418 } 3419 3420 kfree(input_vec); 3421 acomp_request_free(req); 3422 } 3423 3424 for (i = 0; i < dtcount; i++) { 3425 unsigned int dlen = COMP_BUF_SIZE; 3426 int ilen = dtemplate[i].inlen; 3427 void *input_vec; 3428 3429 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL); 3430 if (!input_vec) { 3431 ret = -ENOMEM; 3432 goto out; 3433 } 3434 3435 memset(output, 0, dlen); 3436 crypto_init_wait(&wait); 3437 sg_init_one(&src, input_vec, ilen); 3438 sg_init_one(&dst, output, dlen); 3439 3440 req = acomp_request_alloc(tfm); 3441 if (!req) { 3442 pr_err("alg: acomp: request alloc failed for %s\n", 3443 algo); 3444 kfree(input_vec); 3445 ret = -ENOMEM; 3446 goto out; 3447 } 3448 3449 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3450 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3451 crypto_req_done, &wait); 3452 3453 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3454 if (ret) { 3455 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n", 3456 i + 1, algo, -ret); 3457 kfree(input_vec); 3458 acomp_request_free(req); 3459 goto out; 3460 } 3461 3462 if (req->dlen != dtemplate[i].outlen) { 3463 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n", 3464 i + 1, algo, req->dlen); 3465 ret = -EINVAL; 3466 kfree(input_vec); 3467 acomp_request_free(req); 3468 goto out; 3469 } 3470 3471 if (memcmp(output, dtemplate[i].output, req->dlen)) { 3472 pr_err("alg: acomp: Decompression test %d failed for %s\n", 3473 i + 1, algo); 3474 hexdump(output, req->dlen); 3475 ret = -EINVAL; 3476 kfree(input_vec); 3477 acomp_request_free(req); 3478 goto out; 3479 } 3480 3481 kfree(input_vec); 3482 acomp_request_free(req); 3483 } 3484 3485 ret = 0; 3486 3487 out: 3488 kfree(decomp_out); 3489 kfree(output); 3490 return ret; 3491 } 3492 3493 static int test_cprng(struct crypto_rng *tfm, 3494 const struct cprng_testvec *template, 3495 unsigned int tcount) 3496 { 3497 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm)); 3498 int err = 0, i, j, seedsize; 3499 u8 *seed; 3500 char result[32]; 3501 3502 seedsize = crypto_rng_seedsize(tfm); 3503 3504 seed = kmalloc(seedsize, GFP_KERNEL); 3505 if (!seed) { 3506 printk(KERN_ERR "alg: cprng: Failed to allocate seed space " 3507 "for %s\n", algo); 3508 return -ENOMEM; 3509 } 3510 3511 for (i = 0; i < tcount; i++) { 3512 memset(result, 0, 32); 3513 3514 memcpy(seed, template[i].v, template[i].vlen); 3515 memcpy(seed + template[i].vlen, template[i].key, 3516 template[i].klen); 3517 memcpy(seed + template[i].vlen + template[i].klen, 3518 template[i].dt, template[i].dtlen); 3519 3520 err = crypto_rng_reset(tfm, seed, seedsize); 3521 if (err) { 3522 printk(KERN_ERR "alg: cprng: Failed to reset rng " 3523 "for %s\n", algo); 3524 goto out; 3525 } 3526 3527 for (j = 0; j < template[i].loops; j++) { 3528 err = crypto_rng_get_bytes(tfm, result, 3529 template[i].rlen); 3530 if (err < 0) { 3531 printk(KERN_ERR "alg: cprng: Failed to obtain " 3532 "the correct amount of random data for " 3533 "%s (requested %d)\n", algo, 3534 template[i].rlen); 3535 goto out; 3536 } 3537 } 3538 3539 err = memcmp(result, template[i].result, 3540 template[i].rlen); 3541 if (err) { 3542 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n", 3543 i, algo); 3544 hexdump(result, template[i].rlen); 3545 err = -EINVAL; 3546 goto out; 3547 } 3548 } 3549 3550 out: 3551 kfree(seed); 3552 return err; 3553 } 3554 3555 static int alg_test_cipher(const struct alg_test_desc *desc, 3556 const char *driver, u32 type, u32 mask) 3557 { 3558 const struct cipher_test_suite *suite = &desc->suite.cipher; 3559 struct crypto_cipher *tfm; 3560 int err; 3561 3562 tfm = crypto_alloc_cipher(driver, type, mask); 3563 if (IS_ERR(tfm)) { 3564 printk(KERN_ERR "alg: cipher: Failed to load transform for " 3565 "%s: %ld\n", driver, PTR_ERR(tfm)); 3566 return PTR_ERR(tfm); 3567 } 3568 3569 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count); 3570 if (!err) 3571 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count); 3572 3573 crypto_free_cipher(tfm); 3574 return err; 3575 } 3576 3577 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, 3578 u32 type, u32 mask) 3579 { 3580 struct crypto_comp *comp; 3581 struct crypto_acomp *acomp; 3582 int err; 3583 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK; 3584 3585 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) { 3586 acomp = crypto_alloc_acomp(driver, type, mask); 3587 if (IS_ERR(acomp)) { 3588 pr_err("alg: acomp: Failed to load transform for %s: %ld\n", 3589 driver, PTR_ERR(acomp)); 3590 return PTR_ERR(acomp); 3591 } 3592 err = test_acomp(acomp, desc->suite.comp.comp.vecs, 3593 desc->suite.comp.decomp.vecs, 3594 desc->suite.comp.comp.count, 3595 desc->suite.comp.decomp.count); 3596 crypto_free_acomp(acomp); 3597 } else { 3598 comp = crypto_alloc_comp(driver, type, mask); 3599 if (IS_ERR(comp)) { 3600 pr_err("alg: comp: Failed to load transform for %s: %ld\n", 3601 driver, PTR_ERR(comp)); 3602 return PTR_ERR(comp); 3603 } 3604 3605 err = test_comp(comp, desc->suite.comp.comp.vecs, 3606 desc->suite.comp.decomp.vecs, 3607 desc->suite.comp.comp.count, 3608 desc->suite.comp.decomp.count); 3609 3610 crypto_free_comp(comp); 3611 } 3612 return err; 3613 } 3614 3615 static int alg_test_crc32c(const struct alg_test_desc *desc, 3616 const char *driver, u32 type, u32 mask) 3617 { 3618 struct crypto_shash *tfm; 3619 __le32 val; 3620 int err; 3621 3622 err = alg_test_hash(desc, driver, type, mask); 3623 if (err) 3624 return err; 3625 3626 tfm = crypto_alloc_shash(driver, type, mask); 3627 if (IS_ERR(tfm)) { 3628 if (PTR_ERR(tfm) == -ENOENT) { 3629 /* 3630 * This crc32c implementation is only available through 3631 * ahash API, not the shash API, so the remaining part 3632 * of the test is not applicable to it. 3633 */ 3634 return 0; 3635 } 3636 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: " 3637 "%ld\n", driver, PTR_ERR(tfm)); 3638 return PTR_ERR(tfm); 3639 } 3640 driver = crypto_shash_driver_name(tfm); 3641 3642 do { 3643 SHASH_DESC_ON_STACK(shash, tfm); 3644 u32 *ctx = (u32 *)shash_desc_ctx(shash); 3645 3646 shash->tfm = tfm; 3647 3648 *ctx = 420553207; 3649 err = crypto_shash_final(shash, (u8 *)&val); 3650 if (err) { 3651 printk(KERN_ERR "alg: crc32c: Operation failed for " 3652 "%s: %d\n", driver, err); 3653 break; 3654 } 3655 3656 if (val != cpu_to_le32(~420553207)) { 3657 pr_err("alg: crc32c: Test failed for %s: %u\n", 3658 driver, le32_to_cpu(val)); 3659 err = -EINVAL; 3660 } 3661 } while (0); 3662 3663 crypto_free_shash(tfm); 3664 3665 return err; 3666 } 3667 3668 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver, 3669 u32 type, u32 mask) 3670 { 3671 struct crypto_rng *rng; 3672 int err; 3673 3674 rng = crypto_alloc_rng(driver, type, mask); 3675 if (IS_ERR(rng)) { 3676 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: " 3677 "%ld\n", driver, PTR_ERR(rng)); 3678 return PTR_ERR(rng); 3679 } 3680 3681 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count); 3682 3683 crypto_free_rng(rng); 3684 3685 return err; 3686 } 3687 3688 3689 static int drbg_cavs_test(const struct drbg_testvec *test, int pr, 3690 const char *driver, u32 type, u32 mask) 3691 { 3692 int ret = -EAGAIN; 3693 struct crypto_rng *drng; 3694 struct drbg_test_data test_data; 3695 struct drbg_string addtl, pers, testentropy; 3696 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL); 3697 3698 if (!buf) 3699 return -ENOMEM; 3700 3701 drng = crypto_alloc_rng(driver, type, mask); 3702 if (IS_ERR(drng)) { 3703 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for " 3704 "%s\n", driver); 3705 kfree_sensitive(buf); 3706 return -ENOMEM; 3707 } 3708 3709 test_data.testentropy = &testentropy; 3710 drbg_string_fill(&testentropy, test->entropy, test->entropylen); 3711 drbg_string_fill(&pers, test->pers, test->perslen); 3712 ret = crypto_drbg_reset_test(drng, &pers, &test_data); 3713 if (ret) { 3714 printk(KERN_ERR "alg: drbg: Failed to reset rng\n"); 3715 goto outbuf; 3716 } 3717 3718 drbg_string_fill(&addtl, test->addtla, test->addtllen); 3719 if (pr) { 3720 drbg_string_fill(&testentropy, test->entpra, test->entprlen); 3721 ret = crypto_drbg_get_bytes_addtl_test(drng, 3722 buf, test->expectedlen, &addtl, &test_data); 3723 } else { 3724 ret = crypto_drbg_get_bytes_addtl(drng, 3725 buf, test->expectedlen, &addtl); 3726 } 3727 if (ret < 0) { 3728 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3729 "driver %s\n", driver); 3730 goto outbuf; 3731 } 3732 3733 drbg_string_fill(&addtl, test->addtlb, test->addtllen); 3734 if (pr) { 3735 drbg_string_fill(&testentropy, test->entprb, test->entprlen); 3736 ret = crypto_drbg_get_bytes_addtl_test(drng, 3737 buf, test->expectedlen, &addtl, &test_data); 3738 } else { 3739 ret = crypto_drbg_get_bytes_addtl(drng, 3740 buf, test->expectedlen, &addtl); 3741 } 3742 if (ret < 0) { 3743 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3744 "driver %s\n", driver); 3745 goto outbuf; 3746 } 3747 3748 ret = memcmp(test->expected, buf, test->expectedlen); 3749 3750 outbuf: 3751 crypto_free_rng(drng); 3752 kfree_sensitive(buf); 3753 return ret; 3754 } 3755 3756 3757 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver, 3758 u32 type, u32 mask) 3759 { 3760 int err = 0; 3761 int pr = 0; 3762 int i = 0; 3763 const struct drbg_testvec *template = desc->suite.drbg.vecs; 3764 unsigned int tcount = desc->suite.drbg.count; 3765 3766 if (0 == memcmp(driver, "drbg_pr_", 8)) 3767 pr = 1; 3768 3769 for (i = 0; i < tcount; i++) { 3770 err = drbg_cavs_test(&template[i], pr, driver, type, mask); 3771 if (err) { 3772 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n", 3773 i, driver); 3774 err = -EINVAL; 3775 break; 3776 } 3777 } 3778 return err; 3779 3780 } 3781 3782 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, 3783 const char *alg) 3784 { 3785 struct kpp_request *req; 3786 void *input_buf = NULL; 3787 void *output_buf = NULL; 3788 void *a_public = NULL; 3789 void *a_ss = NULL; 3790 void *shared_secret = NULL; 3791 struct crypto_wait wait; 3792 unsigned int out_len_max; 3793 int err = -ENOMEM; 3794 struct scatterlist src, dst; 3795 3796 req = kpp_request_alloc(tfm, GFP_KERNEL); 3797 if (!req) 3798 return err; 3799 3800 crypto_init_wait(&wait); 3801 3802 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size); 3803 if (err < 0) 3804 goto free_req; 3805 3806 out_len_max = crypto_kpp_maxsize(tfm); 3807 output_buf = kzalloc(out_len_max, GFP_KERNEL); 3808 if (!output_buf) { 3809 err = -ENOMEM; 3810 goto free_req; 3811 } 3812 3813 /* Use appropriate parameter as base */ 3814 kpp_request_set_input(req, NULL, 0); 3815 sg_init_one(&dst, output_buf, out_len_max); 3816 kpp_request_set_output(req, &dst, out_len_max); 3817 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3818 crypto_req_done, &wait); 3819 3820 /* Compute party A's public key */ 3821 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait); 3822 if (err) { 3823 pr_err("alg: %s: Party A: generate public key test failed. err %d\n", 3824 alg, err); 3825 goto free_output; 3826 } 3827 3828 if (vec->genkey) { 3829 /* Save party A's public key */ 3830 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL); 3831 if (!a_public) { 3832 err = -ENOMEM; 3833 goto free_output; 3834 } 3835 } else { 3836 /* Verify calculated public key */ 3837 if (memcmp(vec->expected_a_public, sg_virt(req->dst), 3838 vec->expected_a_public_size)) { 3839 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n", 3840 alg); 3841 err = -EINVAL; 3842 goto free_output; 3843 } 3844 } 3845 3846 /* Calculate shared secret key by using counter part (b) public key. */ 3847 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL); 3848 if (!input_buf) { 3849 err = -ENOMEM; 3850 goto free_output; 3851 } 3852 3853 sg_init_one(&src, input_buf, vec->b_public_size); 3854 sg_init_one(&dst, output_buf, out_len_max); 3855 kpp_request_set_input(req, &src, vec->b_public_size); 3856 kpp_request_set_output(req, &dst, out_len_max); 3857 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3858 crypto_req_done, &wait); 3859 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait); 3860 if (err) { 3861 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n", 3862 alg, err); 3863 goto free_all; 3864 } 3865 3866 if (vec->genkey) { 3867 /* Save the shared secret obtained by party A */ 3868 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL); 3869 if (!a_ss) { 3870 err = -ENOMEM; 3871 goto free_all; 3872 } 3873 3874 /* 3875 * Calculate party B's shared secret by using party A's 3876 * public key. 3877 */ 3878 err = crypto_kpp_set_secret(tfm, vec->b_secret, 3879 vec->b_secret_size); 3880 if (err < 0) 3881 goto free_all; 3882 3883 sg_init_one(&src, a_public, vec->expected_a_public_size); 3884 sg_init_one(&dst, output_buf, out_len_max); 3885 kpp_request_set_input(req, &src, vec->expected_a_public_size); 3886 kpp_request_set_output(req, &dst, out_len_max); 3887 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3888 crypto_req_done, &wait); 3889 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), 3890 &wait); 3891 if (err) { 3892 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n", 3893 alg, err); 3894 goto free_all; 3895 } 3896 3897 shared_secret = a_ss; 3898 } else { 3899 shared_secret = (void *)vec->expected_ss; 3900 } 3901 3902 /* 3903 * verify shared secret from which the user will derive 3904 * secret key by executing whatever hash it has chosen 3905 */ 3906 if (memcmp(shared_secret, sg_virt(req->dst), 3907 vec->expected_ss_size)) { 3908 pr_err("alg: %s: compute shared secret test failed. Invalid output\n", 3909 alg); 3910 err = -EINVAL; 3911 } 3912 3913 free_all: 3914 kfree(a_ss); 3915 kfree(input_buf); 3916 free_output: 3917 kfree(a_public); 3918 kfree(output_buf); 3919 free_req: 3920 kpp_request_free(req); 3921 return err; 3922 } 3923 3924 static int test_kpp(struct crypto_kpp *tfm, const char *alg, 3925 const struct kpp_testvec *vecs, unsigned int tcount) 3926 { 3927 int ret, i; 3928 3929 for (i = 0; i < tcount; i++) { 3930 ret = do_test_kpp(tfm, vecs++, alg); 3931 if (ret) { 3932 pr_err("alg: %s: test failed on vector %d, err=%d\n", 3933 alg, i + 1, ret); 3934 return ret; 3935 } 3936 } 3937 return 0; 3938 } 3939 3940 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, 3941 u32 type, u32 mask) 3942 { 3943 struct crypto_kpp *tfm; 3944 int err = 0; 3945 3946 tfm = crypto_alloc_kpp(driver, type, mask); 3947 if (IS_ERR(tfm)) { 3948 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", 3949 driver, PTR_ERR(tfm)); 3950 return PTR_ERR(tfm); 3951 } 3952 if (desc->suite.kpp.vecs) 3953 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs, 3954 desc->suite.kpp.count); 3955 3956 crypto_free_kpp(tfm); 3957 return err; 3958 } 3959 3960 static u8 *test_pack_u32(u8 *dst, u32 val) 3961 { 3962 memcpy(dst, &val, sizeof(val)); 3963 return dst + sizeof(val); 3964 } 3965 3966 static int test_akcipher_one(struct crypto_akcipher *tfm, 3967 const struct akcipher_testvec *vecs) 3968 { 3969 char *xbuf[XBUFSIZE]; 3970 struct akcipher_request *req; 3971 void *outbuf_enc = NULL; 3972 void *outbuf_dec = NULL; 3973 struct crypto_wait wait; 3974 unsigned int out_len_max, out_len = 0; 3975 int err = -ENOMEM; 3976 struct scatterlist src, dst, src_tab[3]; 3977 const char *m, *c; 3978 unsigned int m_size, c_size; 3979 const char *op; 3980 u8 *key, *ptr; 3981 3982 if (testmgr_alloc_buf(xbuf)) 3983 return err; 3984 3985 req = akcipher_request_alloc(tfm, GFP_KERNEL); 3986 if (!req) 3987 goto free_xbuf; 3988 3989 crypto_init_wait(&wait); 3990 3991 key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len, 3992 GFP_KERNEL); 3993 if (!key) 3994 goto free_req; 3995 memcpy(key, vecs->key, vecs->key_len); 3996 ptr = key + vecs->key_len; 3997 ptr = test_pack_u32(ptr, vecs->algo); 3998 ptr = test_pack_u32(ptr, vecs->param_len); 3999 memcpy(ptr, vecs->params, vecs->param_len); 4000 4001 if (vecs->public_key_vec) 4002 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len); 4003 else 4004 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len); 4005 if (err) 4006 goto free_key; 4007 4008 /* 4009 * First run test which do not require a private key, such as 4010 * encrypt or verify. 4011 */ 4012 err = -ENOMEM; 4013 out_len_max = crypto_akcipher_maxsize(tfm); 4014 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); 4015 if (!outbuf_enc) 4016 goto free_key; 4017 4018 if (!vecs->siggen_sigver_test) { 4019 m = vecs->m; 4020 m_size = vecs->m_size; 4021 c = vecs->c; 4022 c_size = vecs->c_size; 4023 op = "encrypt"; 4024 } else { 4025 /* Swap args so we could keep plaintext (digest) 4026 * in vecs->m, and cooked signature in vecs->c. 4027 */ 4028 m = vecs->c; /* signature */ 4029 m_size = vecs->c_size; 4030 c = vecs->m; /* digest */ 4031 c_size = vecs->m_size; 4032 op = "verify"; 4033 } 4034 4035 err = -E2BIG; 4036 if (WARN_ON(m_size > PAGE_SIZE)) 4037 goto free_all; 4038 memcpy(xbuf[0], m, m_size); 4039 4040 sg_init_table(src_tab, 3); 4041 sg_set_buf(&src_tab[0], xbuf[0], 8); 4042 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8); 4043 if (vecs->siggen_sigver_test) { 4044 if (WARN_ON(c_size > PAGE_SIZE)) 4045 goto free_all; 4046 memcpy(xbuf[1], c, c_size); 4047 sg_set_buf(&src_tab[2], xbuf[1], c_size); 4048 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size); 4049 } else { 4050 sg_init_one(&dst, outbuf_enc, out_len_max); 4051 akcipher_request_set_crypt(req, src_tab, &dst, m_size, 4052 out_len_max); 4053 } 4054 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 4055 crypto_req_done, &wait); 4056 4057 err = crypto_wait_req(vecs->siggen_sigver_test ? 4058 /* Run asymmetric signature verification */ 4059 crypto_akcipher_verify(req) : 4060 /* Run asymmetric encrypt */ 4061 crypto_akcipher_encrypt(req), &wait); 4062 if (err) { 4063 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 4064 goto free_all; 4065 } 4066 if (!vecs->siggen_sigver_test && c) { 4067 if (req->dst_len != c_size) { 4068 pr_err("alg: akcipher: %s test failed. Invalid output len\n", 4069 op); 4070 err = -EINVAL; 4071 goto free_all; 4072 } 4073 /* verify that encrypted message is equal to expected */ 4074 if (memcmp(c, outbuf_enc, c_size) != 0) { 4075 pr_err("alg: akcipher: %s test failed. Invalid output\n", 4076 op); 4077 hexdump(outbuf_enc, c_size); 4078 err = -EINVAL; 4079 goto free_all; 4080 } 4081 } 4082 4083 /* 4084 * Don't invoke (decrypt or sign) test which require a private key 4085 * for vectors with only a public key. 4086 */ 4087 if (vecs->public_key_vec) { 4088 err = 0; 4089 goto free_all; 4090 } 4091 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL); 4092 if (!outbuf_dec) { 4093 err = -ENOMEM; 4094 goto free_all; 4095 } 4096 4097 if (!vecs->siggen_sigver_test && !c) { 4098 c = outbuf_enc; 4099 c_size = req->dst_len; 4100 } 4101 4102 err = -E2BIG; 4103 op = vecs->siggen_sigver_test ? "sign" : "decrypt"; 4104 if (WARN_ON(c_size > PAGE_SIZE)) 4105 goto free_all; 4106 memcpy(xbuf[0], c, c_size); 4107 4108 sg_init_one(&src, xbuf[0], c_size); 4109 sg_init_one(&dst, outbuf_dec, out_len_max); 4110 crypto_init_wait(&wait); 4111 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max); 4112 4113 err = crypto_wait_req(vecs->siggen_sigver_test ? 4114 /* Run asymmetric signature generation */ 4115 crypto_akcipher_sign(req) : 4116 /* Run asymmetric decrypt */ 4117 crypto_akcipher_decrypt(req), &wait); 4118 if (err) { 4119 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 4120 goto free_all; 4121 } 4122 out_len = req->dst_len; 4123 if (out_len < m_size) { 4124 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n", 4125 op, out_len); 4126 err = -EINVAL; 4127 goto free_all; 4128 } 4129 /* verify that decrypted message is equal to the original msg */ 4130 if (memchr_inv(outbuf_dec, 0, out_len - m_size) || 4131 memcmp(m, outbuf_dec + out_len - m_size, m_size)) { 4132 pr_err("alg: akcipher: %s test failed. Invalid output\n", op); 4133 hexdump(outbuf_dec, out_len); 4134 err = -EINVAL; 4135 } 4136 free_all: 4137 kfree(outbuf_dec); 4138 kfree(outbuf_enc); 4139 free_key: 4140 kfree(key); 4141 free_req: 4142 akcipher_request_free(req); 4143 free_xbuf: 4144 testmgr_free_buf(xbuf); 4145 return err; 4146 } 4147 4148 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, 4149 const struct akcipher_testvec *vecs, 4150 unsigned int tcount) 4151 { 4152 const char *algo = 4153 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm)); 4154 int ret, i; 4155 4156 for (i = 0; i < tcount; i++) { 4157 ret = test_akcipher_one(tfm, vecs++); 4158 if (!ret) 4159 continue; 4160 4161 pr_err("alg: akcipher: test %d failed for %s, err=%d\n", 4162 i + 1, algo, ret); 4163 return ret; 4164 } 4165 return 0; 4166 } 4167 4168 static int alg_test_akcipher(const struct alg_test_desc *desc, 4169 const char *driver, u32 type, u32 mask) 4170 { 4171 struct crypto_akcipher *tfm; 4172 int err = 0; 4173 4174 tfm = crypto_alloc_akcipher(driver, type, mask); 4175 if (IS_ERR(tfm)) { 4176 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n", 4177 driver, PTR_ERR(tfm)); 4178 return PTR_ERR(tfm); 4179 } 4180 if (desc->suite.akcipher.vecs) 4181 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs, 4182 desc->suite.akcipher.count); 4183 4184 crypto_free_akcipher(tfm); 4185 return err; 4186 } 4187 4188 static int alg_test_null(const struct alg_test_desc *desc, 4189 const char *driver, u32 type, u32 mask) 4190 { 4191 return 0; 4192 } 4193 4194 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv) 4195 #define __VECS(tv) { ____VECS(tv) } 4196 4197 /* Please keep this list sorted by algorithm name. */ 4198 static const struct alg_test_desc alg_test_descs[] = { 4199 { 4200 .alg = "adiantum(xchacha12,aes)", 4201 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)", 4202 .test = alg_test_skcipher, 4203 .suite = { 4204 .cipher = __VECS(adiantum_xchacha12_aes_tv_template) 4205 }, 4206 }, { 4207 .alg = "adiantum(xchacha20,aes)", 4208 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)", 4209 .test = alg_test_skcipher, 4210 .suite = { 4211 .cipher = __VECS(adiantum_xchacha20_aes_tv_template) 4212 }, 4213 }, { 4214 .alg = "aegis128", 4215 .test = alg_test_aead, 4216 .suite = { 4217 .aead = __VECS(aegis128_tv_template) 4218 } 4219 }, { 4220 .alg = "ansi_cprng", 4221 .test = alg_test_cprng, 4222 .suite = { 4223 .cprng = __VECS(ansi_cprng_aes_tv_template) 4224 } 4225 }, { 4226 .alg = "authenc(hmac(md5),ecb(cipher_null))", 4227 .test = alg_test_aead, 4228 .suite = { 4229 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template) 4230 } 4231 }, { 4232 .alg = "authenc(hmac(sha1),cbc(aes))", 4233 .test = alg_test_aead, 4234 .fips_allowed = 1, 4235 .suite = { 4236 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp) 4237 } 4238 }, { 4239 .alg = "authenc(hmac(sha1),cbc(des))", 4240 .test = alg_test_aead, 4241 .suite = { 4242 .aead = __VECS(hmac_sha1_des_cbc_tv_temp) 4243 } 4244 }, { 4245 .alg = "authenc(hmac(sha1),cbc(des3_ede))", 4246 .test = alg_test_aead, 4247 .suite = { 4248 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp) 4249 } 4250 }, { 4251 .alg = "authenc(hmac(sha1),ctr(aes))", 4252 .test = alg_test_null, 4253 .fips_allowed = 1, 4254 }, { 4255 .alg = "authenc(hmac(sha1),ecb(cipher_null))", 4256 .test = alg_test_aead, 4257 .suite = { 4258 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp) 4259 } 4260 }, { 4261 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))", 4262 .test = alg_test_null, 4263 .fips_allowed = 1, 4264 }, { 4265 .alg = "authenc(hmac(sha224),cbc(des))", 4266 .test = alg_test_aead, 4267 .suite = { 4268 .aead = __VECS(hmac_sha224_des_cbc_tv_temp) 4269 } 4270 }, { 4271 .alg = "authenc(hmac(sha224),cbc(des3_ede))", 4272 .test = alg_test_aead, 4273 .suite = { 4274 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp) 4275 } 4276 }, { 4277 .alg = "authenc(hmac(sha256),cbc(aes))", 4278 .test = alg_test_aead, 4279 .fips_allowed = 1, 4280 .suite = { 4281 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp) 4282 } 4283 }, { 4284 .alg = "authenc(hmac(sha256),cbc(des))", 4285 .test = alg_test_aead, 4286 .suite = { 4287 .aead = __VECS(hmac_sha256_des_cbc_tv_temp) 4288 } 4289 }, { 4290 .alg = "authenc(hmac(sha256),cbc(des3_ede))", 4291 .test = alg_test_aead, 4292 .suite = { 4293 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp) 4294 } 4295 }, { 4296 .alg = "authenc(hmac(sha256),ctr(aes))", 4297 .test = alg_test_null, 4298 .fips_allowed = 1, 4299 }, { 4300 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", 4301 .test = alg_test_null, 4302 .fips_allowed = 1, 4303 }, { 4304 .alg = "authenc(hmac(sha384),cbc(des))", 4305 .test = alg_test_aead, 4306 .suite = { 4307 .aead = __VECS(hmac_sha384_des_cbc_tv_temp) 4308 } 4309 }, { 4310 .alg = "authenc(hmac(sha384),cbc(des3_ede))", 4311 .test = alg_test_aead, 4312 .suite = { 4313 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp) 4314 } 4315 }, { 4316 .alg = "authenc(hmac(sha384),ctr(aes))", 4317 .test = alg_test_null, 4318 .fips_allowed = 1, 4319 }, { 4320 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", 4321 .test = alg_test_null, 4322 .fips_allowed = 1, 4323 }, { 4324 .alg = "authenc(hmac(sha512),cbc(aes))", 4325 .fips_allowed = 1, 4326 .test = alg_test_aead, 4327 .suite = { 4328 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp) 4329 } 4330 }, { 4331 .alg = "authenc(hmac(sha512),cbc(des))", 4332 .test = alg_test_aead, 4333 .suite = { 4334 .aead = __VECS(hmac_sha512_des_cbc_tv_temp) 4335 } 4336 }, { 4337 .alg = "authenc(hmac(sha512),cbc(des3_ede))", 4338 .test = alg_test_aead, 4339 .suite = { 4340 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp) 4341 } 4342 }, { 4343 .alg = "authenc(hmac(sha512),ctr(aes))", 4344 .test = alg_test_null, 4345 .fips_allowed = 1, 4346 }, { 4347 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", 4348 .test = alg_test_null, 4349 .fips_allowed = 1, 4350 }, { 4351 .alg = "blake2b-160", 4352 .test = alg_test_hash, 4353 .fips_allowed = 0, 4354 .suite = { 4355 .hash = __VECS(blake2b_160_tv_template) 4356 } 4357 }, { 4358 .alg = "blake2b-256", 4359 .test = alg_test_hash, 4360 .fips_allowed = 0, 4361 .suite = { 4362 .hash = __VECS(blake2b_256_tv_template) 4363 } 4364 }, { 4365 .alg = "blake2b-384", 4366 .test = alg_test_hash, 4367 .fips_allowed = 0, 4368 .suite = { 4369 .hash = __VECS(blake2b_384_tv_template) 4370 } 4371 }, { 4372 .alg = "blake2b-512", 4373 .test = alg_test_hash, 4374 .fips_allowed = 0, 4375 .suite = { 4376 .hash = __VECS(blake2b_512_tv_template) 4377 } 4378 }, { 4379 .alg = "blake2s-128", 4380 .test = alg_test_hash, 4381 .suite = { 4382 .hash = __VECS(blakes2s_128_tv_template) 4383 } 4384 }, { 4385 .alg = "blake2s-160", 4386 .test = alg_test_hash, 4387 .suite = { 4388 .hash = __VECS(blakes2s_160_tv_template) 4389 } 4390 }, { 4391 .alg = "blake2s-224", 4392 .test = alg_test_hash, 4393 .suite = { 4394 .hash = __VECS(blakes2s_224_tv_template) 4395 } 4396 }, { 4397 .alg = "blake2s-256", 4398 .test = alg_test_hash, 4399 .suite = { 4400 .hash = __VECS(blakes2s_256_tv_template) 4401 } 4402 }, { 4403 .alg = "cbc(aes)", 4404 .test = alg_test_skcipher, 4405 .fips_allowed = 1, 4406 .suite = { 4407 .cipher = __VECS(aes_cbc_tv_template) 4408 }, 4409 }, { 4410 .alg = "cbc(anubis)", 4411 .test = alg_test_skcipher, 4412 .suite = { 4413 .cipher = __VECS(anubis_cbc_tv_template) 4414 }, 4415 }, { 4416 .alg = "cbc(blowfish)", 4417 .test = alg_test_skcipher, 4418 .suite = { 4419 .cipher = __VECS(bf_cbc_tv_template) 4420 }, 4421 }, { 4422 .alg = "cbc(camellia)", 4423 .test = alg_test_skcipher, 4424 .suite = { 4425 .cipher = __VECS(camellia_cbc_tv_template) 4426 }, 4427 }, { 4428 .alg = "cbc(cast5)", 4429 .test = alg_test_skcipher, 4430 .suite = { 4431 .cipher = __VECS(cast5_cbc_tv_template) 4432 }, 4433 }, { 4434 .alg = "cbc(cast6)", 4435 .test = alg_test_skcipher, 4436 .suite = { 4437 .cipher = __VECS(cast6_cbc_tv_template) 4438 }, 4439 }, { 4440 .alg = "cbc(des)", 4441 .test = alg_test_skcipher, 4442 .suite = { 4443 .cipher = __VECS(des_cbc_tv_template) 4444 }, 4445 }, { 4446 .alg = "cbc(des3_ede)", 4447 .test = alg_test_skcipher, 4448 .suite = { 4449 .cipher = __VECS(des3_ede_cbc_tv_template) 4450 }, 4451 }, { 4452 /* Same as cbc(aes) except the key is stored in 4453 * hardware secure memory which we reference by index 4454 */ 4455 .alg = "cbc(paes)", 4456 .test = alg_test_null, 4457 .fips_allowed = 1, 4458 }, { 4459 /* Same as cbc(sm4) except the key is stored in 4460 * hardware secure memory which we reference by index 4461 */ 4462 .alg = "cbc(psm4)", 4463 .test = alg_test_null, 4464 }, { 4465 .alg = "cbc(serpent)", 4466 .test = alg_test_skcipher, 4467 .suite = { 4468 .cipher = __VECS(serpent_cbc_tv_template) 4469 }, 4470 }, { 4471 .alg = "cbc(sm4)", 4472 .test = alg_test_skcipher, 4473 .suite = { 4474 .cipher = __VECS(sm4_cbc_tv_template) 4475 } 4476 }, { 4477 .alg = "cbc(twofish)", 4478 .test = alg_test_skcipher, 4479 .suite = { 4480 .cipher = __VECS(tf_cbc_tv_template) 4481 }, 4482 }, { 4483 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4484 .alg = "cbc-paes-s390", 4485 .fips_allowed = 1, 4486 .test = alg_test_skcipher, 4487 .suite = { 4488 .cipher = __VECS(aes_cbc_tv_template) 4489 } 4490 }, { 4491 #endif 4492 .alg = "cbcmac(aes)", 4493 .fips_allowed = 1, 4494 .test = alg_test_hash, 4495 .suite = { 4496 .hash = __VECS(aes_cbcmac_tv_template) 4497 } 4498 }, { 4499 .alg = "cbcmac(sm4)", 4500 .test = alg_test_hash, 4501 .suite = { 4502 .hash = __VECS(sm4_cbcmac_tv_template) 4503 } 4504 }, { 4505 .alg = "ccm(aes)", 4506 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))", 4507 .test = alg_test_aead, 4508 .fips_allowed = 1, 4509 .suite = { 4510 .aead = { 4511 ____VECS(aes_ccm_tv_template), 4512 .einval_allowed = 1, 4513 } 4514 } 4515 }, { 4516 .alg = "ccm(sm4)", 4517 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))", 4518 .test = alg_test_aead, 4519 .suite = { 4520 .aead = { 4521 ____VECS(sm4_ccm_tv_template), 4522 .einval_allowed = 1, 4523 } 4524 } 4525 }, { 4526 .alg = "cfb(aes)", 4527 .test = alg_test_skcipher, 4528 .fips_allowed = 1, 4529 .suite = { 4530 .cipher = __VECS(aes_cfb_tv_template) 4531 }, 4532 }, { 4533 .alg = "cfb(sm4)", 4534 .test = alg_test_skcipher, 4535 .suite = { 4536 .cipher = __VECS(sm4_cfb_tv_template) 4537 } 4538 }, { 4539 .alg = "chacha20", 4540 .test = alg_test_skcipher, 4541 .suite = { 4542 .cipher = __VECS(chacha20_tv_template) 4543 }, 4544 }, { 4545 .alg = "cmac(aes)", 4546 .fips_allowed = 1, 4547 .test = alg_test_hash, 4548 .suite = { 4549 .hash = __VECS(aes_cmac128_tv_template) 4550 } 4551 }, { 4552 .alg = "cmac(des3_ede)", 4553 .test = alg_test_hash, 4554 .suite = { 4555 .hash = __VECS(des3_ede_cmac64_tv_template) 4556 } 4557 }, { 4558 .alg = "cmac(sm4)", 4559 .test = alg_test_hash, 4560 .suite = { 4561 .hash = __VECS(sm4_cmac128_tv_template) 4562 } 4563 }, { 4564 .alg = "compress_null", 4565 .test = alg_test_null, 4566 }, { 4567 .alg = "crc32", 4568 .test = alg_test_hash, 4569 .fips_allowed = 1, 4570 .suite = { 4571 .hash = __VECS(crc32_tv_template) 4572 } 4573 }, { 4574 .alg = "crc32c", 4575 .test = alg_test_crc32c, 4576 .fips_allowed = 1, 4577 .suite = { 4578 .hash = __VECS(crc32c_tv_template) 4579 } 4580 }, { 4581 .alg = "crc64-rocksoft", 4582 .test = alg_test_hash, 4583 .fips_allowed = 1, 4584 .suite = { 4585 .hash = __VECS(crc64_rocksoft_tv_template) 4586 } 4587 }, { 4588 .alg = "crct10dif", 4589 .test = alg_test_hash, 4590 .fips_allowed = 1, 4591 .suite = { 4592 .hash = __VECS(crct10dif_tv_template) 4593 } 4594 }, { 4595 .alg = "ctr(aes)", 4596 .test = alg_test_skcipher, 4597 .fips_allowed = 1, 4598 .suite = { 4599 .cipher = __VECS(aes_ctr_tv_template) 4600 } 4601 }, { 4602 .alg = "ctr(blowfish)", 4603 .test = alg_test_skcipher, 4604 .suite = { 4605 .cipher = __VECS(bf_ctr_tv_template) 4606 } 4607 }, { 4608 .alg = "ctr(camellia)", 4609 .test = alg_test_skcipher, 4610 .suite = { 4611 .cipher = __VECS(camellia_ctr_tv_template) 4612 } 4613 }, { 4614 .alg = "ctr(cast5)", 4615 .test = alg_test_skcipher, 4616 .suite = { 4617 .cipher = __VECS(cast5_ctr_tv_template) 4618 } 4619 }, { 4620 .alg = "ctr(cast6)", 4621 .test = alg_test_skcipher, 4622 .suite = { 4623 .cipher = __VECS(cast6_ctr_tv_template) 4624 } 4625 }, { 4626 .alg = "ctr(des)", 4627 .test = alg_test_skcipher, 4628 .suite = { 4629 .cipher = __VECS(des_ctr_tv_template) 4630 } 4631 }, { 4632 .alg = "ctr(des3_ede)", 4633 .test = alg_test_skcipher, 4634 .suite = { 4635 .cipher = __VECS(des3_ede_ctr_tv_template) 4636 } 4637 }, { 4638 /* Same as ctr(aes) except the key is stored in 4639 * hardware secure memory which we reference by index 4640 */ 4641 .alg = "ctr(paes)", 4642 .test = alg_test_null, 4643 .fips_allowed = 1, 4644 }, { 4645 4646 /* Same as ctr(sm4) except the key is stored in 4647 * hardware secure memory which we reference by index 4648 */ 4649 .alg = "ctr(psm4)", 4650 .test = alg_test_null, 4651 }, { 4652 .alg = "ctr(serpent)", 4653 .test = alg_test_skcipher, 4654 .suite = { 4655 .cipher = __VECS(serpent_ctr_tv_template) 4656 } 4657 }, { 4658 .alg = "ctr(sm4)", 4659 .test = alg_test_skcipher, 4660 .suite = { 4661 .cipher = __VECS(sm4_ctr_tv_template) 4662 } 4663 }, { 4664 .alg = "ctr(twofish)", 4665 .test = alg_test_skcipher, 4666 .suite = { 4667 .cipher = __VECS(tf_ctr_tv_template) 4668 } 4669 }, { 4670 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4671 .alg = "ctr-paes-s390", 4672 .fips_allowed = 1, 4673 .test = alg_test_skcipher, 4674 .suite = { 4675 .cipher = __VECS(aes_ctr_tv_template) 4676 } 4677 }, { 4678 #endif 4679 .alg = "cts(cbc(aes))", 4680 .test = alg_test_skcipher, 4681 .fips_allowed = 1, 4682 .suite = { 4683 .cipher = __VECS(cts_mode_tv_template) 4684 } 4685 }, { 4686 /* Same as cts(cbc((aes)) except the key is stored in 4687 * hardware secure memory which we reference by index 4688 */ 4689 .alg = "cts(cbc(paes))", 4690 .test = alg_test_null, 4691 .fips_allowed = 1, 4692 }, { 4693 .alg = "curve25519", 4694 .test = alg_test_kpp, 4695 .suite = { 4696 .kpp = __VECS(curve25519_tv_template) 4697 } 4698 }, { 4699 .alg = "deflate", 4700 .test = alg_test_comp, 4701 .fips_allowed = 1, 4702 .suite = { 4703 .comp = { 4704 .comp = __VECS(deflate_comp_tv_template), 4705 .decomp = __VECS(deflate_decomp_tv_template) 4706 } 4707 } 4708 }, { 4709 .alg = "dh", 4710 .test = alg_test_kpp, 4711 .suite = { 4712 .kpp = __VECS(dh_tv_template) 4713 } 4714 }, { 4715 .alg = "digest_null", 4716 .test = alg_test_null, 4717 }, { 4718 .alg = "drbg_nopr_ctr_aes128", 4719 .test = alg_test_drbg, 4720 .fips_allowed = 1, 4721 .suite = { 4722 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template) 4723 } 4724 }, { 4725 .alg = "drbg_nopr_ctr_aes192", 4726 .test = alg_test_drbg, 4727 .fips_allowed = 1, 4728 .suite = { 4729 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template) 4730 } 4731 }, { 4732 .alg = "drbg_nopr_ctr_aes256", 4733 .test = alg_test_drbg, 4734 .fips_allowed = 1, 4735 .suite = { 4736 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template) 4737 } 4738 }, { 4739 /* 4740 * There is no need to specifically test the DRBG with every 4741 * backend cipher -- covered by drbg_nopr_hmac_sha256 test 4742 */ 4743 .alg = "drbg_nopr_hmac_sha1", 4744 .fips_allowed = 1, 4745 .test = alg_test_null, 4746 }, { 4747 .alg = "drbg_nopr_hmac_sha256", 4748 .test = alg_test_drbg, 4749 .fips_allowed = 1, 4750 .suite = { 4751 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template) 4752 } 4753 }, { 4754 /* covered by drbg_nopr_hmac_sha256 test */ 4755 .alg = "drbg_nopr_hmac_sha384", 4756 .fips_allowed = 1, 4757 .test = alg_test_null, 4758 }, { 4759 .alg = "drbg_nopr_hmac_sha512", 4760 .test = alg_test_drbg, 4761 .fips_allowed = 1, 4762 .suite = { 4763 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template) 4764 } 4765 }, { 4766 .alg = "drbg_nopr_sha1", 4767 .fips_allowed = 1, 4768 .test = alg_test_null, 4769 }, { 4770 .alg = "drbg_nopr_sha256", 4771 .test = alg_test_drbg, 4772 .fips_allowed = 1, 4773 .suite = { 4774 .drbg = __VECS(drbg_nopr_sha256_tv_template) 4775 } 4776 }, { 4777 /* covered by drbg_nopr_sha256 test */ 4778 .alg = "drbg_nopr_sha384", 4779 .fips_allowed = 1, 4780 .test = alg_test_null, 4781 }, { 4782 .alg = "drbg_nopr_sha512", 4783 .fips_allowed = 1, 4784 .test = alg_test_null, 4785 }, { 4786 .alg = "drbg_pr_ctr_aes128", 4787 .test = alg_test_drbg, 4788 .fips_allowed = 1, 4789 .suite = { 4790 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template) 4791 } 4792 }, { 4793 /* covered by drbg_pr_ctr_aes128 test */ 4794 .alg = "drbg_pr_ctr_aes192", 4795 .fips_allowed = 1, 4796 .test = alg_test_null, 4797 }, { 4798 .alg = "drbg_pr_ctr_aes256", 4799 .fips_allowed = 1, 4800 .test = alg_test_null, 4801 }, { 4802 .alg = "drbg_pr_hmac_sha1", 4803 .fips_allowed = 1, 4804 .test = alg_test_null, 4805 }, { 4806 .alg = "drbg_pr_hmac_sha256", 4807 .test = alg_test_drbg, 4808 .fips_allowed = 1, 4809 .suite = { 4810 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template) 4811 } 4812 }, { 4813 /* covered by drbg_pr_hmac_sha256 test */ 4814 .alg = "drbg_pr_hmac_sha384", 4815 .fips_allowed = 1, 4816 .test = alg_test_null, 4817 }, { 4818 .alg = "drbg_pr_hmac_sha512", 4819 .test = alg_test_null, 4820 .fips_allowed = 1, 4821 }, { 4822 .alg = "drbg_pr_sha1", 4823 .fips_allowed = 1, 4824 .test = alg_test_null, 4825 }, { 4826 .alg = "drbg_pr_sha256", 4827 .test = alg_test_drbg, 4828 .fips_allowed = 1, 4829 .suite = { 4830 .drbg = __VECS(drbg_pr_sha256_tv_template) 4831 } 4832 }, { 4833 /* covered by drbg_pr_sha256 test */ 4834 .alg = "drbg_pr_sha384", 4835 .fips_allowed = 1, 4836 .test = alg_test_null, 4837 }, { 4838 .alg = "drbg_pr_sha512", 4839 .fips_allowed = 1, 4840 .test = alg_test_null, 4841 }, { 4842 .alg = "ecb(aes)", 4843 .test = alg_test_skcipher, 4844 .fips_allowed = 1, 4845 .suite = { 4846 .cipher = __VECS(aes_tv_template) 4847 } 4848 }, { 4849 .alg = "ecb(anubis)", 4850 .test = alg_test_skcipher, 4851 .suite = { 4852 .cipher = __VECS(anubis_tv_template) 4853 } 4854 }, { 4855 .alg = "ecb(arc4)", 4856 .generic_driver = "ecb(arc4)-generic", 4857 .test = alg_test_skcipher, 4858 .suite = { 4859 .cipher = __VECS(arc4_tv_template) 4860 } 4861 }, { 4862 .alg = "ecb(blowfish)", 4863 .test = alg_test_skcipher, 4864 .suite = { 4865 .cipher = __VECS(bf_tv_template) 4866 } 4867 }, { 4868 .alg = "ecb(camellia)", 4869 .test = alg_test_skcipher, 4870 .suite = { 4871 .cipher = __VECS(camellia_tv_template) 4872 } 4873 }, { 4874 .alg = "ecb(cast5)", 4875 .test = alg_test_skcipher, 4876 .suite = { 4877 .cipher = __VECS(cast5_tv_template) 4878 } 4879 }, { 4880 .alg = "ecb(cast6)", 4881 .test = alg_test_skcipher, 4882 .suite = { 4883 .cipher = __VECS(cast6_tv_template) 4884 } 4885 }, { 4886 .alg = "ecb(cipher_null)", 4887 .test = alg_test_null, 4888 .fips_allowed = 1, 4889 }, { 4890 .alg = "ecb(des)", 4891 .test = alg_test_skcipher, 4892 .suite = { 4893 .cipher = __VECS(des_tv_template) 4894 } 4895 }, { 4896 .alg = "ecb(des3_ede)", 4897 .test = alg_test_skcipher, 4898 .suite = { 4899 .cipher = __VECS(des3_ede_tv_template) 4900 } 4901 }, { 4902 .alg = "ecb(fcrypt)", 4903 .test = alg_test_skcipher, 4904 .suite = { 4905 .cipher = { 4906 .vecs = fcrypt_pcbc_tv_template, 4907 .count = 1 4908 } 4909 } 4910 }, { 4911 .alg = "ecb(khazad)", 4912 .test = alg_test_skcipher, 4913 .suite = { 4914 .cipher = __VECS(khazad_tv_template) 4915 } 4916 }, { 4917 /* Same as ecb(aes) except the key is stored in 4918 * hardware secure memory which we reference by index 4919 */ 4920 .alg = "ecb(paes)", 4921 .test = alg_test_null, 4922 .fips_allowed = 1, 4923 }, { 4924 .alg = "ecb(seed)", 4925 .test = alg_test_skcipher, 4926 .suite = { 4927 .cipher = __VECS(seed_tv_template) 4928 } 4929 }, { 4930 .alg = "ecb(serpent)", 4931 .test = alg_test_skcipher, 4932 .suite = { 4933 .cipher = __VECS(serpent_tv_template) 4934 } 4935 }, { 4936 .alg = "ecb(sm4)", 4937 .test = alg_test_skcipher, 4938 .suite = { 4939 .cipher = __VECS(sm4_tv_template) 4940 } 4941 }, { 4942 .alg = "ecb(tea)", 4943 .test = alg_test_skcipher, 4944 .suite = { 4945 .cipher = __VECS(tea_tv_template) 4946 } 4947 }, { 4948 .alg = "ecb(twofish)", 4949 .test = alg_test_skcipher, 4950 .suite = { 4951 .cipher = __VECS(tf_tv_template) 4952 } 4953 }, { 4954 .alg = "ecb(xeta)", 4955 .test = alg_test_skcipher, 4956 .suite = { 4957 .cipher = __VECS(xeta_tv_template) 4958 } 4959 }, { 4960 .alg = "ecb(xtea)", 4961 .test = alg_test_skcipher, 4962 .suite = { 4963 .cipher = __VECS(xtea_tv_template) 4964 } 4965 }, { 4966 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4967 .alg = "ecb-paes-s390", 4968 .fips_allowed = 1, 4969 .test = alg_test_skcipher, 4970 .suite = { 4971 .cipher = __VECS(aes_tv_template) 4972 } 4973 }, { 4974 #endif 4975 .alg = "ecdh-nist-p192", 4976 .test = alg_test_kpp, 4977 .suite = { 4978 .kpp = __VECS(ecdh_p192_tv_template) 4979 } 4980 }, { 4981 .alg = "ecdh-nist-p256", 4982 .test = alg_test_kpp, 4983 .fips_allowed = 1, 4984 .suite = { 4985 .kpp = __VECS(ecdh_p256_tv_template) 4986 } 4987 }, { 4988 .alg = "ecdh-nist-p384", 4989 .test = alg_test_kpp, 4990 .fips_allowed = 1, 4991 .suite = { 4992 .kpp = __VECS(ecdh_p384_tv_template) 4993 } 4994 }, { 4995 .alg = "ecdsa-nist-p192", 4996 .test = alg_test_akcipher, 4997 .suite = { 4998 .akcipher = __VECS(ecdsa_nist_p192_tv_template) 4999 } 5000 }, { 5001 .alg = "ecdsa-nist-p256", 5002 .test = alg_test_akcipher, 5003 .suite = { 5004 .akcipher = __VECS(ecdsa_nist_p256_tv_template) 5005 } 5006 }, { 5007 .alg = "ecdsa-nist-p384", 5008 .test = alg_test_akcipher, 5009 .suite = { 5010 .akcipher = __VECS(ecdsa_nist_p384_tv_template) 5011 } 5012 }, { 5013 .alg = "ecrdsa", 5014 .test = alg_test_akcipher, 5015 .suite = { 5016 .akcipher = __VECS(ecrdsa_tv_template) 5017 } 5018 }, { 5019 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)", 5020 .test = alg_test_aead, 5021 .fips_allowed = 1, 5022 .suite = { 5023 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp) 5024 } 5025 }, { 5026 .alg = "essiv(cbc(aes),sha256)", 5027 .test = alg_test_skcipher, 5028 .fips_allowed = 1, 5029 .suite = { 5030 .cipher = __VECS(essiv_aes_cbc_tv_template) 5031 } 5032 }, { 5033 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS) 5034 .alg = "ffdhe2048(dh)", 5035 .test = alg_test_kpp, 5036 .fips_allowed = 1, 5037 .suite = { 5038 .kpp = __VECS(ffdhe2048_dh_tv_template) 5039 } 5040 }, { 5041 .alg = "ffdhe3072(dh)", 5042 .test = alg_test_kpp, 5043 .fips_allowed = 1, 5044 .suite = { 5045 .kpp = __VECS(ffdhe3072_dh_tv_template) 5046 } 5047 }, { 5048 .alg = "ffdhe4096(dh)", 5049 .test = alg_test_kpp, 5050 .fips_allowed = 1, 5051 .suite = { 5052 .kpp = __VECS(ffdhe4096_dh_tv_template) 5053 } 5054 }, { 5055 .alg = "ffdhe6144(dh)", 5056 .test = alg_test_kpp, 5057 .fips_allowed = 1, 5058 .suite = { 5059 .kpp = __VECS(ffdhe6144_dh_tv_template) 5060 } 5061 }, { 5062 .alg = "ffdhe8192(dh)", 5063 .test = alg_test_kpp, 5064 .fips_allowed = 1, 5065 .suite = { 5066 .kpp = __VECS(ffdhe8192_dh_tv_template) 5067 } 5068 }, { 5069 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */ 5070 .alg = "gcm(aes)", 5071 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)", 5072 .test = alg_test_aead, 5073 .fips_allowed = 1, 5074 .suite = { 5075 .aead = __VECS(aes_gcm_tv_template) 5076 } 5077 }, { 5078 .alg = "gcm(sm4)", 5079 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)", 5080 .test = alg_test_aead, 5081 .suite = { 5082 .aead = __VECS(sm4_gcm_tv_template) 5083 } 5084 }, { 5085 .alg = "ghash", 5086 .test = alg_test_hash, 5087 .fips_allowed = 1, 5088 .suite = { 5089 .hash = __VECS(ghash_tv_template) 5090 } 5091 }, { 5092 .alg = "hmac(md5)", 5093 .test = alg_test_hash, 5094 .suite = { 5095 .hash = __VECS(hmac_md5_tv_template) 5096 } 5097 }, { 5098 .alg = "hmac(rmd160)", 5099 .test = alg_test_hash, 5100 .suite = { 5101 .hash = __VECS(hmac_rmd160_tv_template) 5102 } 5103 }, { 5104 .alg = "hmac(sha1)", 5105 .test = alg_test_hash, 5106 .fips_allowed = 1, 5107 .suite = { 5108 .hash = __VECS(hmac_sha1_tv_template) 5109 } 5110 }, { 5111 .alg = "hmac(sha224)", 5112 .test = alg_test_hash, 5113 .fips_allowed = 1, 5114 .suite = { 5115 .hash = __VECS(hmac_sha224_tv_template) 5116 } 5117 }, { 5118 .alg = "hmac(sha256)", 5119 .test = alg_test_hash, 5120 .fips_allowed = 1, 5121 .suite = { 5122 .hash = __VECS(hmac_sha256_tv_template) 5123 } 5124 }, { 5125 .alg = "hmac(sha3-224)", 5126 .test = alg_test_hash, 5127 .fips_allowed = 1, 5128 .suite = { 5129 .hash = __VECS(hmac_sha3_224_tv_template) 5130 } 5131 }, { 5132 .alg = "hmac(sha3-256)", 5133 .test = alg_test_hash, 5134 .fips_allowed = 1, 5135 .suite = { 5136 .hash = __VECS(hmac_sha3_256_tv_template) 5137 } 5138 }, { 5139 .alg = "hmac(sha3-384)", 5140 .test = alg_test_hash, 5141 .fips_allowed = 1, 5142 .suite = { 5143 .hash = __VECS(hmac_sha3_384_tv_template) 5144 } 5145 }, { 5146 .alg = "hmac(sha3-512)", 5147 .test = alg_test_hash, 5148 .fips_allowed = 1, 5149 .suite = { 5150 .hash = __VECS(hmac_sha3_512_tv_template) 5151 } 5152 }, { 5153 .alg = "hmac(sha384)", 5154 .test = alg_test_hash, 5155 .fips_allowed = 1, 5156 .suite = { 5157 .hash = __VECS(hmac_sha384_tv_template) 5158 } 5159 }, { 5160 .alg = "hmac(sha512)", 5161 .test = alg_test_hash, 5162 .fips_allowed = 1, 5163 .suite = { 5164 .hash = __VECS(hmac_sha512_tv_template) 5165 } 5166 }, { 5167 .alg = "hmac(sm3)", 5168 .test = alg_test_hash, 5169 .suite = { 5170 .hash = __VECS(hmac_sm3_tv_template) 5171 } 5172 }, { 5173 .alg = "hmac(streebog256)", 5174 .test = alg_test_hash, 5175 .suite = { 5176 .hash = __VECS(hmac_streebog256_tv_template) 5177 } 5178 }, { 5179 .alg = "hmac(streebog512)", 5180 .test = alg_test_hash, 5181 .suite = { 5182 .hash = __VECS(hmac_streebog512_tv_template) 5183 } 5184 }, { 5185 .alg = "jitterentropy_rng", 5186 .fips_allowed = 1, 5187 .test = alg_test_null, 5188 }, { 5189 .alg = "kw(aes)", 5190 .test = alg_test_skcipher, 5191 .fips_allowed = 1, 5192 .suite = { 5193 .cipher = __VECS(aes_kw_tv_template) 5194 } 5195 }, { 5196 .alg = "lrw(aes)", 5197 .generic_driver = "lrw(ecb(aes-generic))", 5198 .test = alg_test_skcipher, 5199 .suite = { 5200 .cipher = __VECS(aes_lrw_tv_template) 5201 } 5202 }, { 5203 .alg = "lrw(camellia)", 5204 .generic_driver = "lrw(ecb(camellia-generic))", 5205 .test = alg_test_skcipher, 5206 .suite = { 5207 .cipher = __VECS(camellia_lrw_tv_template) 5208 } 5209 }, { 5210 .alg = "lrw(cast6)", 5211 .generic_driver = "lrw(ecb(cast6-generic))", 5212 .test = alg_test_skcipher, 5213 .suite = { 5214 .cipher = __VECS(cast6_lrw_tv_template) 5215 } 5216 }, { 5217 .alg = "lrw(serpent)", 5218 .generic_driver = "lrw(ecb(serpent-generic))", 5219 .test = alg_test_skcipher, 5220 .suite = { 5221 .cipher = __VECS(serpent_lrw_tv_template) 5222 } 5223 }, { 5224 .alg = "lrw(twofish)", 5225 .generic_driver = "lrw(ecb(twofish-generic))", 5226 .test = alg_test_skcipher, 5227 .suite = { 5228 .cipher = __VECS(tf_lrw_tv_template) 5229 } 5230 }, { 5231 .alg = "lz4", 5232 .test = alg_test_comp, 5233 .fips_allowed = 1, 5234 .suite = { 5235 .comp = { 5236 .comp = __VECS(lz4_comp_tv_template), 5237 .decomp = __VECS(lz4_decomp_tv_template) 5238 } 5239 } 5240 }, { 5241 .alg = "lz4hc", 5242 .test = alg_test_comp, 5243 .fips_allowed = 1, 5244 .suite = { 5245 .comp = { 5246 .comp = __VECS(lz4hc_comp_tv_template), 5247 .decomp = __VECS(lz4hc_decomp_tv_template) 5248 } 5249 } 5250 }, { 5251 .alg = "lzo", 5252 .test = alg_test_comp, 5253 .fips_allowed = 1, 5254 .suite = { 5255 .comp = { 5256 .comp = __VECS(lzo_comp_tv_template), 5257 .decomp = __VECS(lzo_decomp_tv_template) 5258 } 5259 } 5260 }, { 5261 .alg = "lzo-rle", 5262 .test = alg_test_comp, 5263 .fips_allowed = 1, 5264 .suite = { 5265 .comp = { 5266 .comp = __VECS(lzorle_comp_tv_template), 5267 .decomp = __VECS(lzorle_decomp_tv_template) 5268 } 5269 } 5270 }, { 5271 .alg = "md4", 5272 .test = alg_test_hash, 5273 .suite = { 5274 .hash = __VECS(md4_tv_template) 5275 } 5276 }, { 5277 .alg = "md5", 5278 .test = alg_test_hash, 5279 .suite = { 5280 .hash = __VECS(md5_tv_template) 5281 } 5282 }, { 5283 .alg = "michael_mic", 5284 .test = alg_test_hash, 5285 .suite = { 5286 .hash = __VECS(michael_mic_tv_template) 5287 } 5288 }, { 5289 .alg = "nhpoly1305", 5290 .test = alg_test_hash, 5291 .suite = { 5292 .hash = __VECS(nhpoly1305_tv_template) 5293 } 5294 }, { 5295 .alg = "ofb(aes)", 5296 .test = alg_test_skcipher, 5297 .fips_allowed = 1, 5298 .suite = { 5299 .cipher = __VECS(aes_ofb_tv_template) 5300 } 5301 }, { 5302 /* Same as ofb(aes) except the key is stored in 5303 * hardware secure memory which we reference by index 5304 */ 5305 .alg = "ofb(paes)", 5306 .test = alg_test_null, 5307 .fips_allowed = 1, 5308 }, { 5309 .alg = "ofb(sm4)", 5310 .test = alg_test_skcipher, 5311 .suite = { 5312 .cipher = __VECS(sm4_ofb_tv_template) 5313 } 5314 }, { 5315 .alg = "pcbc(fcrypt)", 5316 .test = alg_test_skcipher, 5317 .suite = { 5318 .cipher = __VECS(fcrypt_pcbc_tv_template) 5319 } 5320 }, { 5321 .alg = "pkcs1pad(rsa,sha224)", 5322 .test = alg_test_null, 5323 .fips_allowed = 1, 5324 }, { 5325 .alg = "pkcs1pad(rsa,sha256)", 5326 .test = alg_test_akcipher, 5327 .fips_allowed = 1, 5328 .suite = { 5329 .akcipher = __VECS(pkcs1pad_rsa_tv_template) 5330 } 5331 }, { 5332 .alg = "pkcs1pad(rsa,sha384)", 5333 .test = alg_test_null, 5334 .fips_allowed = 1, 5335 }, { 5336 .alg = "pkcs1pad(rsa,sha512)", 5337 .test = alg_test_null, 5338 .fips_allowed = 1, 5339 }, { 5340 .alg = "poly1305", 5341 .test = alg_test_hash, 5342 .suite = { 5343 .hash = __VECS(poly1305_tv_template) 5344 } 5345 }, { 5346 .alg = "rfc3686(ctr(aes))", 5347 .test = alg_test_skcipher, 5348 .fips_allowed = 1, 5349 .suite = { 5350 .cipher = __VECS(aes_ctr_rfc3686_tv_template) 5351 } 5352 }, { 5353 .alg = "rfc3686(ctr(sm4))", 5354 .test = alg_test_skcipher, 5355 .suite = { 5356 .cipher = __VECS(sm4_ctr_rfc3686_tv_template) 5357 } 5358 }, { 5359 .alg = "rfc4106(gcm(aes))", 5360 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))", 5361 .test = alg_test_aead, 5362 .fips_allowed = 1, 5363 .suite = { 5364 .aead = { 5365 ____VECS(aes_gcm_rfc4106_tv_template), 5366 .einval_allowed = 1, 5367 .aad_iv = 1, 5368 } 5369 } 5370 }, { 5371 .alg = "rfc4309(ccm(aes))", 5372 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))", 5373 .test = alg_test_aead, 5374 .fips_allowed = 1, 5375 .suite = { 5376 .aead = { 5377 ____VECS(aes_ccm_rfc4309_tv_template), 5378 .einval_allowed = 1, 5379 .aad_iv = 1, 5380 } 5381 } 5382 }, { 5383 .alg = "rfc4543(gcm(aes))", 5384 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))", 5385 .test = alg_test_aead, 5386 .suite = { 5387 .aead = { 5388 ____VECS(aes_gcm_rfc4543_tv_template), 5389 .einval_allowed = 1, 5390 .aad_iv = 1, 5391 } 5392 } 5393 }, { 5394 .alg = "rfc7539(chacha20,poly1305)", 5395 .test = alg_test_aead, 5396 .suite = { 5397 .aead = __VECS(rfc7539_tv_template) 5398 } 5399 }, { 5400 .alg = "rfc7539esp(chacha20,poly1305)", 5401 .test = alg_test_aead, 5402 .suite = { 5403 .aead = { 5404 ____VECS(rfc7539esp_tv_template), 5405 .einval_allowed = 1, 5406 .aad_iv = 1, 5407 } 5408 } 5409 }, { 5410 .alg = "rmd160", 5411 .test = alg_test_hash, 5412 .suite = { 5413 .hash = __VECS(rmd160_tv_template) 5414 } 5415 }, { 5416 .alg = "rsa", 5417 .test = alg_test_akcipher, 5418 .fips_allowed = 1, 5419 .suite = { 5420 .akcipher = __VECS(rsa_tv_template) 5421 } 5422 }, { 5423 .alg = "sha1", 5424 .test = alg_test_hash, 5425 .fips_allowed = 1, 5426 .suite = { 5427 .hash = __VECS(sha1_tv_template) 5428 } 5429 }, { 5430 .alg = "sha224", 5431 .test = alg_test_hash, 5432 .fips_allowed = 1, 5433 .suite = { 5434 .hash = __VECS(sha224_tv_template) 5435 } 5436 }, { 5437 .alg = "sha256", 5438 .test = alg_test_hash, 5439 .fips_allowed = 1, 5440 .suite = { 5441 .hash = __VECS(sha256_tv_template) 5442 } 5443 }, { 5444 .alg = "sha3-224", 5445 .test = alg_test_hash, 5446 .fips_allowed = 1, 5447 .suite = { 5448 .hash = __VECS(sha3_224_tv_template) 5449 } 5450 }, { 5451 .alg = "sha3-256", 5452 .test = alg_test_hash, 5453 .fips_allowed = 1, 5454 .suite = { 5455 .hash = __VECS(sha3_256_tv_template) 5456 } 5457 }, { 5458 .alg = "sha3-384", 5459 .test = alg_test_hash, 5460 .fips_allowed = 1, 5461 .suite = { 5462 .hash = __VECS(sha3_384_tv_template) 5463 } 5464 }, { 5465 .alg = "sha3-512", 5466 .test = alg_test_hash, 5467 .fips_allowed = 1, 5468 .suite = { 5469 .hash = __VECS(sha3_512_tv_template) 5470 } 5471 }, { 5472 .alg = "sha384", 5473 .test = alg_test_hash, 5474 .fips_allowed = 1, 5475 .suite = { 5476 .hash = __VECS(sha384_tv_template) 5477 } 5478 }, { 5479 .alg = "sha512", 5480 .test = alg_test_hash, 5481 .fips_allowed = 1, 5482 .suite = { 5483 .hash = __VECS(sha512_tv_template) 5484 } 5485 }, { 5486 .alg = "sm2", 5487 .test = alg_test_akcipher, 5488 .suite = { 5489 .akcipher = __VECS(sm2_tv_template) 5490 } 5491 }, { 5492 .alg = "sm3", 5493 .test = alg_test_hash, 5494 .suite = { 5495 .hash = __VECS(sm3_tv_template) 5496 } 5497 }, { 5498 .alg = "streebog256", 5499 .test = alg_test_hash, 5500 .suite = { 5501 .hash = __VECS(streebog256_tv_template) 5502 } 5503 }, { 5504 .alg = "streebog512", 5505 .test = alg_test_hash, 5506 .suite = { 5507 .hash = __VECS(streebog512_tv_template) 5508 } 5509 }, { 5510 .alg = "vmac64(aes)", 5511 .test = alg_test_hash, 5512 .suite = { 5513 .hash = __VECS(vmac64_aes_tv_template) 5514 } 5515 }, { 5516 .alg = "wp256", 5517 .test = alg_test_hash, 5518 .suite = { 5519 .hash = __VECS(wp256_tv_template) 5520 } 5521 }, { 5522 .alg = "wp384", 5523 .test = alg_test_hash, 5524 .suite = { 5525 .hash = __VECS(wp384_tv_template) 5526 } 5527 }, { 5528 .alg = "wp512", 5529 .test = alg_test_hash, 5530 .suite = { 5531 .hash = __VECS(wp512_tv_template) 5532 } 5533 }, { 5534 .alg = "xcbc(aes)", 5535 .test = alg_test_hash, 5536 .suite = { 5537 .hash = __VECS(aes_xcbc128_tv_template) 5538 } 5539 }, { 5540 .alg = "xchacha12", 5541 .test = alg_test_skcipher, 5542 .suite = { 5543 .cipher = __VECS(xchacha12_tv_template) 5544 }, 5545 }, { 5546 .alg = "xchacha20", 5547 .test = alg_test_skcipher, 5548 .suite = { 5549 .cipher = __VECS(xchacha20_tv_template) 5550 }, 5551 }, { 5552 .alg = "xts(aes)", 5553 .generic_driver = "xts(ecb(aes-generic))", 5554 .test = alg_test_skcipher, 5555 .fips_allowed = 1, 5556 .suite = { 5557 .cipher = __VECS(aes_xts_tv_template) 5558 } 5559 }, { 5560 .alg = "xts(camellia)", 5561 .generic_driver = "xts(ecb(camellia-generic))", 5562 .test = alg_test_skcipher, 5563 .suite = { 5564 .cipher = __VECS(camellia_xts_tv_template) 5565 } 5566 }, { 5567 .alg = "xts(cast6)", 5568 .generic_driver = "xts(ecb(cast6-generic))", 5569 .test = alg_test_skcipher, 5570 .suite = { 5571 .cipher = __VECS(cast6_xts_tv_template) 5572 } 5573 }, { 5574 /* Same as xts(aes) except the key is stored in 5575 * hardware secure memory which we reference by index 5576 */ 5577 .alg = "xts(paes)", 5578 .test = alg_test_null, 5579 .fips_allowed = 1, 5580 }, { 5581 .alg = "xts(serpent)", 5582 .generic_driver = "xts(ecb(serpent-generic))", 5583 .test = alg_test_skcipher, 5584 .suite = { 5585 .cipher = __VECS(serpent_xts_tv_template) 5586 } 5587 }, { 5588 .alg = "xts(twofish)", 5589 .generic_driver = "xts(ecb(twofish-generic))", 5590 .test = alg_test_skcipher, 5591 .suite = { 5592 .cipher = __VECS(tf_xts_tv_template) 5593 } 5594 }, { 5595 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 5596 .alg = "xts-paes-s390", 5597 .fips_allowed = 1, 5598 .test = alg_test_skcipher, 5599 .suite = { 5600 .cipher = __VECS(aes_xts_tv_template) 5601 } 5602 }, { 5603 #endif 5604 .alg = "xts4096(paes)", 5605 .test = alg_test_null, 5606 .fips_allowed = 1, 5607 }, { 5608 .alg = "xts512(paes)", 5609 .test = alg_test_null, 5610 .fips_allowed = 1, 5611 }, { 5612 .alg = "xxhash64", 5613 .test = alg_test_hash, 5614 .fips_allowed = 1, 5615 .suite = { 5616 .hash = __VECS(xxhash64_tv_template) 5617 } 5618 }, { 5619 .alg = "zlib-deflate", 5620 .test = alg_test_comp, 5621 .fips_allowed = 1, 5622 .suite = { 5623 .comp = { 5624 .comp = __VECS(zlib_deflate_comp_tv_template), 5625 .decomp = __VECS(zlib_deflate_decomp_tv_template) 5626 } 5627 } 5628 }, { 5629 .alg = "zstd", 5630 .test = alg_test_comp, 5631 .fips_allowed = 1, 5632 .suite = { 5633 .comp = { 5634 .comp = __VECS(zstd_comp_tv_template), 5635 .decomp = __VECS(zstd_decomp_tv_template) 5636 } 5637 } 5638 } 5639 }; 5640 5641 static void alg_check_test_descs_order(void) 5642 { 5643 int i; 5644 5645 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) { 5646 int diff = strcmp(alg_test_descs[i - 1].alg, 5647 alg_test_descs[i].alg); 5648 5649 if (WARN_ON(diff > 0)) { 5650 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n", 5651 alg_test_descs[i - 1].alg, 5652 alg_test_descs[i].alg); 5653 } 5654 5655 if (WARN_ON(diff == 0)) { 5656 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n", 5657 alg_test_descs[i].alg); 5658 } 5659 } 5660 } 5661 5662 static void alg_check_testvec_configs(void) 5663 { 5664 int i; 5665 5666 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) 5667 WARN_ON(!valid_testvec_config( 5668 &default_cipher_testvec_configs[i])); 5669 5670 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) 5671 WARN_ON(!valid_testvec_config( 5672 &default_hash_testvec_configs[i])); 5673 } 5674 5675 static void testmgr_onetime_init(void) 5676 { 5677 alg_check_test_descs_order(); 5678 alg_check_testvec_configs(); 5679 5680 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 5681 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n"); 5682 #endif 5683 } 5684 5685 static int alg_find_test(const char *alg) 5686 { 5687 int start = 0; 5688 int end = ARRAY_SIZE(alg_test_descs); 5689 5690 while (start < end) { 5691 int i = (start + end) / 2; 5692 int diff = strcmp(alg_test_descs[i].alg, alg); 5693 5694 if (diff > 0) { 5695 end = i; 5696 continue; 5697 } 5698 5699 if (diff < 0) { 5700 start = i + 1; 5701 continue; 5702 } 5703 5704 return i; 5705 } 5706 5707 return -1; 5708 } 5709 5710 static int alg_fips_disabled(const char *driver, const char *alg) 5711 { 5712 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver); 5713 5714 return -ECANCELED; 5715 } 5716 5717 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 5718 { 5719 int i; 5720 int j; 5721 int rc; 5722 5723 if (!fips_enabled && notests) { 5724 printk_once(KERN_INFO "alg: self-tests disabled\n"); 5725 return 0; 5726 } 5727 5728 DO_ONCE(testmgr_onetime_init); 5729 5730 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) { 5731 char nalg[CRYPTO_MAX_ALG_NAME]; 5732 5733 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 5734 sizeof(nalg)) 5735 return -ENAMETOOLONG; 5736 5737 i = alg_find_test(nalg); 5738 if (i < 0) 5739 goto notest; 5740 5741 if (fips_enabled && !alg_test_descs[i].fips_allowed) 5742 goto non_fips_alg; 5743 5744 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask); 5745 goto test_done; 5746 } 5747 5748 i = alg_find_test(alg); 5749 j = alg_find_test(driver); 5750 if (i < 0 && j < 0) 5751 goto notest; 5752 5753 if (fips_enabled) { 5754 if (j >= 0 && !alg_test_descs[j].fips_allowed) 5755 return -EINVAL; 5756 5757 if (i >= 0 && !alg_test_descs[i].fips_allowed) 5758 goto non_fips_alg; 5759 } 5760 5761 rc = 0; 5762 if (i >= 0) 5763 rc |= alg_test_descs[i].test(alg_test_descs + i, driver, 5764 type, mask); 5765 if (j >= 0 && j != i) 5766 rc |= alg_test_descs[j].test(alg_test_descs + j, driver, 5767 type, mask); 5768 5769 test_done: 5770 if (rc) { 5771 if (fips_enabled || panic_on_fail) { 5772 fips_fail_notify(); 5773 panic("alg: self-tests for %s (%s) failed in %s mode!\n", 5774 driver, alg, 5775 fips_enabled ? "fips" : "panic_on_fail"); 5776 } 5777 WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)", 5778 driver, alg, rc); 5779 } else { 5780 if (fips_enabled) 5781 pr_info("alg: self-tests for %s (%s) passed\n", 5782 driver, alg); 5783 } 5784 5785 return rc; 5786 5787 notest: 5788 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver); 5789 5790 if (type & CRYPTO_ALG_FIPS_INTERNAL) 5791 return alg_fips_disabled(driver, alg); 5792 5793 return 0; 5794 non_fips_alg: 5795 return alg_fips_disabled(driver, alg); 5796 } 5797 5798 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ 5799 5800 EXPORT_SYMBOL_GPL(alg_test); 5801