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