1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Algorithm testing framework and tests. 4 * 5 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 6 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org> 7 * Copyright (c) 2007 Nokia Siemens Networks 8 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> 9 * Copyright (c) 2019 Google LLC 10 * 11 * Updated RFC4106 AES-GCM testing. 12 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com) 13 * Adrian Hoban <adrian.hoban@intel.com> 14 * Gabriele Paoloni <gabriele.paoloni@intel.com> 15 * Tadeusz Struk (tadeusz.struk@intel.com) 16 * Copyright (c) 2010, Intel Corporation. 17 */ 18 19 #include <crypto/aead.h> 20 #include <crypto/hash.h> 21 #include <crypto/skcipher.h> 22 #include <linux/err.h> 23 #include <linux/fips.h> 24 #include <linux/module.h> 25 #include <linux/once.h> 26 #include <linux/random.h> 27 #include <linux/scatterlist.h> 28 #include <linux/slab.h> 29 #include <linux/string.h> 30 #include <linux/uio.h> 31 #include <crypto/rng.h> 32 #include <crypto/drbg.h> 33 #include <crypto/akcipher.h> 34 #include <crypto/kpp.h> 35 #include <crypto/acompress.h> 36 #include <crypto/internal/cipher.h> 37 #include <crypto/internal/simd.h> 38 39 #include "internal.h" 40 41 MODULE_IMPORT_NS(CRYPTO_INTERNAL); 42 43 static bool notests; 44 module_param(notests, bool, 0644); 45 MODULE_PARM_DESC(notests, "disable crypto self-tests"); 46 47 static bool panic_on_fail; 48 module_param(panic_on_fail, bool, 0444); 49 50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 51 static bool noextratests; 52 module_param(noextratests, bool, 0644); 53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests"); 54 55 static unsigned int fuzz_iterations = 100; 56 module_param(fuzz_iterations, uint, 0644); 57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations"); 58 #endif 59 60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS 61 62 /* a perfect nop */ 63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 64 { 65 return 0; 66 } 67 68 #else 69 70 #include "testmgr.h" 71 72 /* 73 * Need slab memory for testing (size in number of pages). 74 */ 75 #define XBUFSIZE 8 76 77 /* 78 * Used by test_cipher() 79 */ 80 #define ENCRYPT 1 81 #define DECRYPT 0 82 83 struct aead_test_suite { 84 const struct aead_testvec *vecs; 85 unsigned int count; 86 87 /* 88 * Set if trying to decrypt an inauthentic ciphertext with this 89 * algorithm might result in EINVAL rather than EBADMSG, due to other 90 * validation the algorithm does on the inputs such as length checks. 91 */ 92 unsigned int einval_allowed : 1; 93 94 /* 95 * Set if this algorithm requires that the IV be located at the end of 96 * the AAD buffer, in addition to being given in the normal way. The 97 * behavior when the two IV copies differ is implementation-defined. 98 */ 99 unsigned int aad_iv : 1; 100 }; 101 102 struct cipher_test_suite { 103 const struct cipher_testvec *vecs; 104 unsigned int count; 105 }; 106 107 struct comp_test_suite { 108 struct { 109 const struct comp_testvec *vecs; 110 unsigned int count; 111 } comp, decomp; 112 }; 113 114 struct hash_test_suite { 115 const struct hash_testvec *vecs; 116 unsigned int count; 117 }; 118 119 struct cprng_test_suite { 120 const struct cprng_testvec *vecs; 121 unsigned int count; 122 }; 123 124 struct drbg_test_suite { 125 const struct drbg_testvec *vecs; 126 unsigned int count; 127 }; 128 129 struct akcipher_test_suite { 130 const struct akcipher_testvec *vecs; 131 unsigned int count; 132 }; 133 134 struct kpp_test_suite { 135 const struct kpp_testvec *vecs; 136 unsigned int count; 137 }; 138 139 struct alg_test_desc { 140 const char *alg; 141 const char *generic_driver; 142 int (*test)(const struct alg_test_desc *desc, const char *driver, 143 u32 type, u32 mask); 144 int fips_allowed; /* set if alg is allowed in fips mode */ 145 146 union { 147 struct aead_test_suite aead; 148 struct cipher_test_suite cipher; 149 struct comp_test_suite comp; 150 struct hash_test_suite hash; 151 struct cprng_test_suite cprng; 152 struct drbg_test_suite drbg; 153 struct akcipher_test_suite akcipher; 154 struct kpp_test_suite kpp; 155 } suite; 156 }; 157 158 static void hexdump(unsigned char *buf, unsigned int len) 159 { 160 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET, 161 16, 1, 162 buf, len, false); 163 } 164 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order) 166 { 167 int i; 168 169 for (i = 0; i < XBUFSIZE; i++) { 170 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order); 171 if (!buf[i]) 172 goto err_free_buf; 173 } 174 175 return 0; 176 177 err_free_buf: 178 while (i-- > 0) 179 free_pages((unsigned long)buf[i], order); 180 181 return -ENOMEM; 182 } 183 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE]) 185 { 186 return __testmgr_alloc_buf(buf, 0); 187 } 188 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order) 190 { 191 int i; 192 193 for (i = 0; i < XBUFSIZE; i++) 194 free_pages((unsigned long)buf[i], order); 195 } 196 197 static void testmgr_free_buf(char *buf[XBUFSIZE]) 198 { 199 __testmgr_free_buf(buf, 0); 200 } 201 202 #define TESTMGR_POISON_BYTE 0xfe 203 #define TESTMGR_POISON_LEN 16 204 205 static inline void testmgr_poison(void *addr, size_t len) 206 { 207 memset(addr, TESTMGR_POISON_BYTE, len); 208 } 209 210 /* Is the memory region still fully poisoned? */ 211 static inline bool testmgr_is_poison(const void *addr, size_t len) 212 { 213 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL; 214 } 215 216 /* flush type for hash algorithms */ 217 enum flush_type { 218 /* merge with update of previous buffer(s) */ 219 FLUSH_TYPE_NONE = 0, 220 221 /* update with previous buffer(s) before doing this one */ 222 FLUSH_TYPE_FLUSH, 223 224 /* likewise, but also export and re-import the intermediate state */ 225 FLUSH_TYPE_REIMPORT, 226 }; 227 228 /* finalization function for hash algorithms */ 229 enum finalization_type { 230 FINALIZATION_TYPE_FINAL, /* use final() */ 231 FINALIZATION_TYPE_FINUP, /* use finup() */ 232 FINALIZATION_TYPE_DIGEST, /* use digest() */ 233 }; 234 235 /* 236 * Whether the crypto operation will occur in-place, and if so whether the 237 * source and destination scatterlist pointers will coincide (req->src == 238 * req->dst), or whether they'll merely point to two separate scatterlists 239 * (req->src != req->dst) that reference the same underlying memory. 240 * 241 * This is only relevant for algorithm types that support in-place operation. 242 */ 243 enum inplace_mode { 244 OUT_OF_PLACE, 245 INPLACE_ONE_SGLIST, 246 INPLACE_TWO_SGLISTS, 247 }; 248 249 #define TEST_SG_TOTAL 10000 250 251 /** 252 * struct test_sg_division - description of a scatterlist entry 253 * 254 * This struct describes one entry of a scatterlist being constructed to check a 255 * crypto test vector. 256 * 257 * @proportion_of_total: length of this chunk relative to the total length, 258 * given as a proportion out of TEST_SG_TOTAL so that it 259 * scales to fit any test vector 260 * @offset: byte offset into a 2-page buffer at which this chunk will start 261 * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the 262 * @offset 263 * @flush_type: for hashes, whether an update() should be done now vs. 264 * continuing to accumulate data 265 * @nosimd: if doing the pending update(), do it with SIMD disabled? 266 */ 267 struct test_sg_division { 268 unsigned int proportion_of_total; 269 unsigned int offset; 270 bool offset_relative_to_alignmask; 271 enum flush_type flush_type; 272 bool nosimd; 273 }; 274 275 /** 276 * struct testvec_config - configuration for testing a crypto test vector 277 * 278 * This struct describes the data layout and other parameters with which each 279 * crypto test vector can be tested. 280 * 281 * @name: name of this config, logged for debugging purposes if a test fails 282 * @inplace_mode: whether and how to operate on the data in-place, if applicable 283 * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP 284 * @src_divs: description of how to arrange the source scatterlist 285 * @dst_divs: description of how to arrange the dst scatterlist, if applicable 286 * for the algorithm type. Defaults to @src_divs if unset. 287 * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1], 288 * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary 289 * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to 290 * the @iv_offset 291 * @key_offset: misalignment of the key, where 0 is default alignment 292 * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to 293 * the @key_offset 294 * @finalization_type: what finalization function to use for hashes 295 * @nosimd: execute with SIMD disabled? Requires !CRYPTO_TFM_REQ_MAY_SLEEP. 296 */ 297 struct testvec_config { 298 const char *name; 299 enum inplace_mode inplace_mode; 300 u32 req_flags; 301 struct test_sg_division src_divs[XBUFSIZE]; 302 struct test_sg_division dst_divs[XBUFSIZE]; 303 unsigned int iv_offset; 304 unsigned int key_offset; 305 bool iv_offset_relative_to_alignmask; 306 bool key_offset_relative_to_alignmask; 307 enum finalization_type finalization_type; 308 bool nosimd; 309 }; 310 311 #define TESTVEC_CONFIG_NAMELEN 192 312 313 /* 314 * The following are the lists of testvec_configs to test for each algorithm 315 * type when the basic crypto self-tests are enabled, i.e. when 316 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test 317 * coverage, while keeping the test time much shorter than the full fuzz tests 318 * so that the basic tests can be enabled in a wider range of circumstances. 319 */ 320 321 /* Configs for skciphers and aeads */ 322 static const struct testvec_config default_cipher_testvec_configs[] = { 323 { 324 .name = "in-place (one sglist)", 325 .inplace_mode = INPLACE_ONE_SGLIST, 326 .src_divs = { { .proportion_of_total = 10000 } }, 327 }, { 328 .name = "in-place (two sglists)", 329 .inplace_mode = INPLACE_TWO_SGLISTS, 330 .src_divs = { { .proportion_of_total = 10000 } }, 331 }, { 332 .name = "out-of-place", 333 .inplace_mode = OUT_OF_PLACE, 334 .src_divs = { { .proportion_of_total = 10000 } }, 335 }, { 336 .name = "unaligned buffer, offset=1", 337 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 338 .iv_offset = 1, 339 .key_offset = 1, 340 }, { 341 .name = "buffer aligned only to alignmask", 342 .src_divs = { 343 { 344 .proportion_of_total = 10000, 345 .offset = 1, 346 .offset_relative_to_alignmask = true, 347 }, 348 }, 349 .iv_offset = 1, 350 .iv_offset_relative_to_alignmask = true, 351 .key_offset = 1, 352 .key_offset_relative_to_alignmask = true, 353 }, { 354 .name = "two even aligned splits", 355 .src_divs = { 356 { .proportion_of_total = 5000 }, 357 { .proportion_of_total = 5000 }, 358 }, 359 }, { 360 .name = "one src, two even splits dst", 361 .inplace_mode = OUT_OF_PLACE, 362 .src_divs = { { .proportion_of_total = 10000 } }, 363 .dst_divs = { 364 { .proportion_of_total = 5000 }, 365 { .proportion_of_total = 5000 }, 366 }, 367 }, { 368 .name = "uneven misaligned splits, may sleep", 369 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 370 .src_divs = { 371 { .proportion_of_total = 1900, .offset = 33 }, 372 { .proportion_of_total = 3300, .offset = 7 }, 373 { .proportion_of_total = 4800, .offset = 18 }, 374 }, 375 .iv_offset = 3, 376 .key_offset = 3, 377 }, { 378 .name = "misaligned splits crossing pages, inplace", 379 .inplace_mode = INPLACE_ONE_SGLIST, 380 .src_divs = { 381 { 382 .proportion_of_total = 7500, 383 .offset = PAGE_SIZE - 32 384 }, { 385 .proportion_of_total = 2500, 386 .offset = PAGE_SIZE - 7 387 }, 388 }, 389 } 390 }; 391 392 static const struct testvec_config default_hash_testvec_configs[] = { 393 { 394 .name = "init+update+final aligned buffer", 395 .src_divs = { { .proportion_of_total = 10000 } }, 396 .finalization_type = FINALIZATION_TYPE_FINAL, 397 }, { 398 .name = "init+finup aligned buffer", 399 .src_divs = { { .proportion_of_total = 10000 } }, 400 .finalization_type = FINALIZATION_TYPE_FINUP, 401 }, { 402 .name = "digest aligned buffer", 403 .src_divs = { { .proportion_of_total = 10000 } }, 404 .finalization_type = FINALIZATION_TYPE_DIGEST, 405 }, { 406 .name = "init+update+final misaligned buffer", 407 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 408 .finalization_type = FINALIZATION_TYPE_FINAL, 409 .key_offset = 1, 410 }, { 411 .name = "digest buffer aligned only to alignmask", 412 .src_divs = { 413 { 414 .proportion_of_total = 10000, 415 .offset = 1, 416 .offset_relative_to_alignmask = true, 417 }, 418 }, 419 .finalization_type = FINALIZATION_TYPE_DIGEST, 420 .key_offset = 1, 421 .key_offset_relative_to_alignmask = true, 422 }, { 423 .name = "init+update+update+final two even splits", 424 .src_divs = { 425 { .proportion_of_total = 5000 }, 426 { 427 .proportion_of_total = 5000, 428 .flush_type = FLUSH_TYPE_FLUSH, 429 }, 430 }, 431 .finalization_type = FINALIZATION_TYPE_FINAL, 432 }, { 433 .name = "digest uneven misaligned splits, may sleep", 434 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 435 .src_divs = { 436 { .proportion_of_total = 1900, .offset = 33 }, 437 { .proportion_of_total = 3300, .offset = 7 }, 438 { .proportion_of_total = 4800, .offset = 18 }, 439 }, 440 .finalization_type = FINALIZATION_TYPE_DIGEST, 441 }, { 442 .name = "digest misaligned splits crossing pages", 443 .src_divs = { 444 { 445 .proportion_of_total = 7500, 446 .offset = PAGE_SIZE - 32, 447 }, { 448 .proportion_of_total = 2500, 449 .offset = PAGE_SIZE - 7, 450 }, 451 }, 452 .finalization_type = FINALIZATION_TYPE_DIGEST, 453 }, { 454 .name = "import/export", 455 .src_divs = { 456 { 457 .proportion_of_total = 6500, 458 .flush_type = FLUSH_TYPE_REIMPORT, 459 }, { 460 .proportion_of_total = 3500, 461 .flush_type = FLUSH_TYPE_REIMPORT, 462 }, 463 }, 464 .finalization_type = FINALIZATION_TYPE_FINAL, 465 } 466 }; 467 468 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs) 469 { 470 unsigned int remaining = TEST_SG_TOTAL; 471 unsigned int ndivs = 0; 472 473 do { 474 remaining -= divs[ndivs++].proportion_of_total; 475 } while (remaining); 476 477 return ndivs; 478 } 479 480 #define SGDIVS_HAVE_FLUSHES BIT(0) 481 #define SGDIVS_HAVE_NOSIMD BIT(1) 482 483 static bool valid_sg_divisions(const struct test_sg_division *divs, 484 unsigned int count, int *flags_ret) 485 { 486 unsigned int total = 0; 487 unsigned int i; 488 489 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) { 490 if (divs[i].proportion_of_total <= 0 || 491 divs[i].proportion_of_total > TEST_SG_TOTAL - total) 492 return false; 493 total += divs[i].proportion_of_total; 494 if (divs[i].flush_type != FLUSH_TYPE_NONE) 495 *flags_ret |= SGDIVS_HAVE_FLUSHES; 496 if (divs[i].nosimd) 497 *flags_ret |= SGDIVS_HAVE_NOSIMD; 498 } 499 return total == TEST_SG_TOTAL && 500 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL; 501 } 502 503 /* 504 * Check whether the given testvec_config is valid. This isn't strictly needed 505 * since every testvec_config should be valid, but check anyway so that people 506 * don't unknowingly add broken configs that don't do what they wanted. 507 */ 508 static bool valid_testvec_config(const struct testvec_config *cfg) 509 { 510 int flags = 0; 511 512 if (cfg->name == NULL) 513 return false; 514 515 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs), 516 &flags)) 517 return false; 518 519 if (cfg->dst_divs[0].proportion_of_total) { 520 if (!valid_sg_divisions(cfg->dst_divs, 521 ARRAY_SIZE(cfg->dst_divs), &flags)) 522 return false; 523 } else { 524 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs))) 525 return false; 526 /* defaults to dst_divs=src_divs */ 527 } 528 529 if (cfg->iv_offset + 530 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) > 531 MAX_ALGAPI_ALIGNMASK + 1) 532 return false; 533 534 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) && 535 cfg->finalization_type == FINALIZATION_TYPE_DIGEST) 536 return false; 537 538 if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) && 539 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) 540 return false; 541 542 return true; 543 } 544 545 struct test_sglist { 546 char *bufs[XBUFSIZE]; 547 struct scatterlist sgl[XBUFSIZE]; 548 struct scatterlist sgl_saved[XBUFSIZE]; 549 struct scatterlist *sgl_ptr; 550 unsigned int nents; 551 }; 552 553 static int init_test_sglist(struct test_sglist *tsgl) 554 { 555 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */); 556 } 557 558 static void destroy_test_sglist(struct test_sglist *tsgl) 559 { 560 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */); 561 } 562 563 /** 564 * build_test_sglist() - build a scatterlist for a crypto test 565 * 566 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page 567 * buffers which the scatterlist @tsgl->sgl[] will be made to point into. 568 * @divs: the layout specification on which the scatterlist will be based 569 * @alignmask: the algorithm's alignmask 570 * @total_len: the total length of the scatterlist to build in bytes 571 * @data: if non-NULL, the buffers will be filled with this data until it ends. 572 * Otherwise the buffers will be poisoned. In both cases, some bytes 573 * past the end of each buffer will be poisoned to help detect overruns. 574 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry 575 * corresponds will be returned here. This will match @divs except 576 * that divisions resolving to a length of 0 are omitted as they are 577 * not included in the scatterlist. 578 * 579 * Return: 0 or a -errno value 580 */ 581 static int build_test_sglist(struct test_sglist *tsgl, 582 const struct test_sg_division *divs, 583 const unsigned int alignmask, 584 const unsigned int total_len, 585 struct iov_iter *data, 586 const struct test_sg_division *out_divs[XBUFSIZE]) 587 { 588 struct { 589 const struct test_sg_division *div; 590 size_t length; 591 } partitions[XBUFSIZE]; 592 const unsigned int ndivs = count_test_sg_divisions(divs); 593 unsigned int len_remaining = total_len; 594 unsigned int i; 595 596 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl)); 597 if (WARN_ON(ndivs > ARRAY_SIZE(partitions))) 598 return -EINVAL; 599 600 /* Calculate the (div, length) pairs */ 601 tsgl->nents = 0; 602 for (i = 0; i < ndivs; i++) { 603 unsigned int len_this_sg = 604 min(len_remaining, 605 (total_len * divs[i].proportion_of_total + 606 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL); 607 608 if (len_this_sg != 0) { 609 partitions[tsgl->nents].div = &divs[i]; 610 partitions[tsgl->nents].length = len_this_sg; 611 tsgl->nents++; 612 len_remaining -= len_this_sg; 613 } 614 } 615 if (tsgl->nents == 0) { 616 partitions[tsgl->nents].div = &divs[0]; 617 partitions[tsgl->nents].length = 0; 618 tsgl->nents++; 619 } 620 partitions[tsgl->nents - 1].length += len_remaining; 621 622 /* Set up the sgl entries and fill the data or poison */ 623 sg_init_table(tsgl->sgl, tsgl->nents); 624 for (i = 0; i < tsgl->nents; i++) { 625 unsigned int offset = partitions[i].div->offset; 626 void *addr; 627 628 if (partitions[i].div->offset_relative_to_alignmask) 629 offset += alignmask; 630 631 while (offset + partitions[i].length + TESTMGR_POISON_LEN > 632 2 * PAGE_SIZE) { 633 if (WARN_ON(offset <= 0)) 634 return -EINVAL; 635 offset /= 2; 636 } 637 638 addr = &tsgl->bufs[i][offset]; 639 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length); 640 641 if (out_divs) 642 out_divs[i] = partitions[i].div; 643 644 if (data) { 645 size_t copy_len, copied; 646 647 copy_len = min(partitions[i].length, data->count); 648 copied = copy_from_iter(addr, copy_len, data); 649 if (WARN_ON(copied != copy_len)) 650 return -EINVAL; 651 testmgr_poison(addr + copy_len, partitions[i].length + 652 TESTMGR_POISON_LEN - copy_len); 653 } else { 654 testmgr_poison(addr, partitions[i].length + 655 TESTMGR_POISON_LEN); 656 } 657 } 658 659 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]); 660 tsgl->sgl_ptr = tsgl->sgl; 661 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0])); 662 return 0; 663 } 664 665 /* 666 * Verify that a scatterlist crypto operation produced the correct output. 667 * 668 * @tsgl: scatterlist containing the actual output 669 * @expected_output: buffer containing the expected output 670 * @len_to_check: length of @expected_output in bytes 671 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result 672 * @check_poison: verify that the poison bytes after each chunk are intact? 673 * 674 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun. 675 */ 676 static int verify_correct_output(const struct test_sglist *tsgl, 677 const char *expected_output, 678 unsigned int len_to_check, 679 unsigned int unchecked_prefix_len, 680 bool check_poison) 681 { 682 unsigned int i; 683 684 for (i = 0; i < tsgl->nents; i++) { 685 struct scatterlist *sg = &tsgl->sgl_ptr[i]; 686 unsigned int len = sg->length; 687 unsigned int offset = sg->offset; 688 const char *actual_output; 689 690 if (unchecked_prefix_len) { 691 if (unchecked_prefix_len >= len) { 692 unchecked_prefix_len -= len; 693 continue; 694 } 695 offset += unchecked_prefix_len; 696 len -= unchecked_prefix_len; 697 unchecked_prefix_len = 0; 698 } 699 len = min(len, len_to_check); 700 actual_output = page_address(sg_page(sg)) + offset; 701 if (memcmp(expected_output, actual_output, len) != 0) 702 return -EINVAL; 703 if (check_poison && 704 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN)) 705 return -EOVERFLOW; 706 len_to_check -= len; 707 expected_output += len; 708 } 709 if (WARN_ON(len_to_check != 0)) 710 return -EINVAL; 711 return 0; 712 } 713 714 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl) 715 { 716 unsigned int i; 717 718 for (i = 0; i < tsgl->nents; i++) { 719 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link) 720 return true; 721 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset) 722 return true; 723 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length) 724 return true; 725 } 726 return false; 727 } 728 729 struct cipher_test_sglists { 730 struct test_sglist src; 731 struct test_sglist dst; 732 }; 733 734 static struct cipher_test_sglists *alloc_cipher_test_sglists(void) 735 { 736 struct cipher_test_sglists *tsgls; 737 738 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL); 739 if (!tsgls) 740 return NULL; 741 742 if (init_test_sglist(&tsgls->src) != 0) 743 goto fail_kfree; 744 if (init_test_sglist(&tsgls->dst) != 0) 745 goto fail_destroy_src; 746 747 return tsgls; 748 749 fail_destroy_src: 750 destroy_test_sglist(&tsgls->src); 751 fail_kfree: 752 kfree(tsgls); 753 return NULL; 754 } 755 756 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls) 757 { 758 if (tsgls) { 759 destroy_test_sglist(&tsgls->src); 760 destroy_test_sglist(&tsgls->dst); 761 kfree(tsgls); 762 } 763 } 764 765 /* Build the src and dst scatterlists for an skcipher or AEAD test */ 766 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls, 767 const struct testvec_config *cfg, 768 unsigned int alignmask, 769 unsigned int src_total_len, 770 unsigned int dst_total_len, 771 const struct kvec *inputs, 772 unsigned int nr_inputs) 773 { 774 struct iov_iter input; 775 int err; 776 777 iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len); 778 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask, 779 cfg->inplace_mode != OUT_OF_PLACE ? 780 max(dst_total_len, src_total_len) : 781 src_total_len, 782 &input, NULL); 783 if (err) 784 return err; 785 786 /* 787 * In-place crypto operations can use the same scatterlist for both the 788 * source and destination (req->src == req->dst), or can use separate 789 * scatterlists (req->src != req->dst) which point to the same 790 * underlying memory. Make sure to test both cases. 791 */ 792 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) { 793 tsgls->dst.sgl_ptr = tsgls->src.sgl; 794 tsgls->dst.nents = tsgls->src.nents; 795 return 0; 796 } 797 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) { 798 /* 799 * For now we keep it simple and only test the case where the 800 * two scatterlists have identical entries, rather than 801 * different entries that split up the same memory differently. 802 */ 803 memcpy(tsgls->dst.sgl, tsgls->src.sgl, 804 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 805 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl, 806 tsgls->src.nents * sizeof(tsgls->src.sgl[0])); 807 tsgls->dst.sgl_ptr = tsgls->dst.sgl; 808 tsgls->dst.nents = tsgls->src.nents; 809 return 0; 810 } 811 /* Out of place */ 812 return build_test_sglist(&tsgls->dst, 813 cfg->dst_divs[0].proportion_of_total ? 814 cfg->dst_divs : cfg->src_divs, 815 alignmask, dst_total_len, NULL, NULL); 816 } 817 818 /* 819 * Support for testing passing a misaligned key to setkey(): 820 * 821 * If cfg->key_offset is set, copy the key into a new buffer at that offset, 822 * optionally adding alignmask. Else, just use the key directly. 823 */ 824 static int prepare_keybuf(const u8 *key, unsigned int ksize, 825 const struct testvec_config *cfg, 826 unsigned int alignmask, 827 const u8 **keybuf_ret, const u8 **keyptr_ret) 828 { 829 unsigned int key_offset = cfg->key_offset; 830 u8 *keybuf = NULL, *keyptr = (u8 *)key; 831 832 if (key_offset != 0) { 833 if (cfg->key_offset_relative_to_alignmask) 834 key_offset += alignmask; 835 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL); 836 if (!keybuf) 837 return -ENOMEM; 838 keyptr = keybuf + key_offset; 839 memcpy(keyptr, key, ksize); 840 } 841 *keybuf_ret = keybuf; 842 *keyptr_ret = keyptr; 843 return 0; 844 } 845 846 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */ 847 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \ 848 ({ \ 849 const u8 *keybuf, *keyptr; \ 850 int err; \ 851 \ 852 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \ 853 &keybuf, &keyptr); \ 854 if (err == 0) { \ 855 err = setkey_f((tfm), keyptr, (ksize)); \ 856 kfree(keybuf); \ 857 } \ 858 err; \ 859 }) 860 861 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 862 863 /* 864 * The fuzz tests use prandom instead of the normal Linux RNG since they don't 865 * need cryptographically secure random numbers. This greatly improves the 866 * performance of these tests, especially if they are run before the Linux RNG 867 * has been initialized or if they are run on a lockdep-enabled kernel. 868 */ 869 870 static inline void init_rnd_state(struct rnd_state *rng) 871 { 872 prandom_seed_state(rng, get_random_u64()); 873 } 874 875 static inline u8 prandom_u8(struct rnd_state *rng) 876 { 877 return prandom_u32_state(rng); 878 } 879 880 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil) 881 { 882 /* 883 * This is slightly biased for non-power-of-2 values of 'ceil', but this 884 * isn't important here. 885 */ 886 return prandom_u32_state(rng) % ceil; 887 } 888 889 static inline bool prandom_bool(struct rnd_state *rng) 890 { 891 return prandom_u32_below(rng, 2); 892 } 893 894 static inline u32 prandom_u32_inclusive(struct rnd_state *rng, 895 u32 floor, u32 ceil) 896 { 897 return floor + prandom_u32_below(rng, ceil - floor + 1); 898 } 899 900 /* Generate a random length in range [0, max_len], but prefer smaller values */ 901 static unsigned int generate_random_length(struct rnd_state *rng, 902 unsigned int max_len) 903 { 904 unsigned int len = prandom_u32_below(rng, max_len + 1); 905 906 switch (prandom_u32_below(rng, 4)) { 907 case 0: 908 return len % 64; 909 case 1: 910 return len % 256; 911 case 2: 912 return len % 1024; 913 default: 914 return len; 915 } 916 } 917 918 /* Flip a random bit in the given nonempty data buffer */ 919 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size) 920 { 921 size_t bitpos; 922 923 bitpos = prandom_u32_below(rng, size * 8); 924 buf[bitpos / 8] ^= 1 << (bitpos % 8); 925 } 926 927 /* Flip a random byte in the given nonempty data buffer */ 928 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size) 929 { 930 buf[prandom_u32_below(rng, size)] ^= 0xff; 931 } 932 933 /* Sometimes make some random changes to the given nonempty data buffer */ 934 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size) 935 { 936 size_t num_flips; 937 size_t i; 938 939 /* Sometimes flip some bits */ 940 if (prandom_u32_below(rng, 4) == 0) { 941 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), 942 size * 8); 943 for (i = 0; i < num_flips; i++) 944 flip_random_bit(rng, buf, size); 945 } 946 947 /* Sometimes flip some bytes */ 948 if (prandom_u32_below(rng, 4) == 0) { 949 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size); 950 for (i = 0; i < num_flips; i++) 951 flip_random_byte(rng, buf, size); 952 } 953 } 954 955 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */ 956 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count) 957 { 958 u8 b; 959 u8 increment; 960 size_t i; 961 962 if (count == 0) 963 return; 964 965 switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */ 966 case 0: 967 case 1: 968 /* All the same byte, plus optional mutations */ 969 switch (prandom_u32_below(rng, 4)) { 970 case 0: 971 b = 0x00; 972 break; 973 case 1: 974 b = 0xff; 975 break; 976 default: 977 b = prandom_u8(rng); 978 break; 979 } 980 memset(buf, b, count); 981 mutate_buffer(rng, buf, count); 982 break; 983 case 2: 984 /* Ascending or descending bytes, plus optional mutations */ 985 increment = prandom_u8(rng); 986 b = prandom_u8(rng); 987 for (i = 0; i < count; i++, b += increment) 988 buf[i] = b; 989 mutate_buffer(rng, buf, count); 990 break; 991 default: 992 /* Fully random bytes */ 993 prandom_bytes_state(rng, buf, count); 994 } 995 } 996 997 static char *generate_random_sgl_divisions(struct rnd_state *rng, 998 struct test_sg_division *divs, 999 size_t max_divs, char *p, char *end, 1000 bool gen_flushes, u32 req_flags) 1001 { 1002 struct test_sg_division *div = divs; 1003 unsigned int remaining = TEST_SG_TOTAL; 1004 1005 do { 1006 unsigned int this_len; 1007 const char *flushtype_str; 1008 1009 if (div == &divs[max_divs - 1] || prandom_bool(rng)) 1010 this_len = remaining; 1011 else 1012 this_len = prandom_u32_inclusive(rng, 1, remaining); 1013 div->proportion_of_total = this_len; 1014 1015 if (prandom_u32_below(rng, 4) == 0) 1016 div->offset = prandom_u32_inclusive(rng, 1017 PAGE_SIZE - 128, 1018 PAGE_SIZE - 1); 1019 else if (prandom_bool(rng)) 1020 div->offset = prandom_u32_below(rng, 32); 1021 else 1022 div->offset = prandom_u32_below(rng, PAGE_SIZE); 1023 if (prandom_u32_below(rng, 8) == 0) 1024 div->offset_relative_to_alignmask = true; 1025 1026 div->flush_type = FLUSH_TYPE_NONE; 1027 if (gen_flushes) { 1028 switch (prandom_u32_below(rng, 4)) { 1029 case 0: 1030 div->flush_type = FLUSH_TYPE_REIMPORT; 1031 break; 1032 case 1: 1033 div->flush_type = FLUSH_TYPE_FLUSH; 1034 break; 1035 } 1036 } 1037 1038 if (div->flush_type != FLUSH_TYPE_NONE && 1039 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && 1040 prandom_bool(rng)) 1041 div->nosimd = true; 1042 1043 switch (div->flush_type) { 1044 case FLUSH_TYPE_FLUSH: 1045 if (div->nosimd) 1046 flushtype_str = "<flush,nosimd>"; 1047 else 1048 flushtype_str = "<flush>"; 1049 break; 1050 case FLUSH_TYPE_REIMPORT: 1051 if (div->nosimd) 1052 flushtype_str = "<reimport,nosimd>"; 1053 else 1054 flushtype_str = "<reimport>"; 1055 break; 1056 default: 1057 flushtype_str = ""; 1058 break; 1059 } 1060 1061 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */ 1062 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str, 1063 this_len / 100, this_len % 100, 1064 div->offset_relative_to_alignmask ? 1065 "alignmask" : "", 1066 div->offset, this_len == remaining ? "" : ", "); 1067 remaining -= this_len; 1068 div++; 1069 } while (remaining); 1070 1071 return p; 1072 } 1073 1074 /* Generate a random testvec_config for fuzz testing */ 1075 static void generate_random_testvec_config(struct rnd_state *rng, 1076 struct testvec_config *cfg, 1077 char *name, size_t max_namelen) 1078 { 1079 char *p = name; 1080 char * const end = name + max_namelen; 1081 1082 memset(cfg, 0, sizeof(*cfg)); 1083 1084 cfg->name = name; 1085 1086 p += scnprintf(p, end - p, "random:"); 1087 1088 switch (prandom_u32_below(rng, 4)) { 1089 case 0: 1090 case 1: 1091 cfg->inplace_mode = OUT_OF_PLACE; 1092 break; 1093 case 2: 1094 cfg->inplace_mode = INPLACE_ONE_SGLIST; 1095 p += scnprintf(p, end - p, " inplace_one_sglist"); 1096 break; 1097 default: 1098 cfg->inplace_mode = INPLACE_TWO_SGLISTS; 1099 p += scnprintf(p, end - p, " inplace_two_sglists"); 1100 break; 1101 } 1102 1103 if (prandom_bool(rng)) { 1104 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP; 1105 p += scnprintf(p, end - p, " may_sleep"); 1106 } 1107 1108 switch (prandom_u32_below(rng, 4)) { 1109 case 0: 1110 cfg->finalization_type = FINALIZATION_TYPE_FINAL; 1111 p += scnprintf(p, end - p, " use_final"); 1112 break; 1113 case 1: 1114 cfg->finalization_type = FINALIZATION_TYPE_FINUP; 1115 p += scnprintf(p, end - p, " use_finup"); 1116 break; 1117 default: 1118 cfg->finalization_type = FINALIZATION_TYPE_DIGEST; 1119 p += scnprintf(p, end - p, " use_digest"); 1120 break; 1121 } 1122 1123 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) { 1124 cfg->nosimd = true; 1125 p += scnprintf(p, end - p, " nosimd"); 1126 } 1127 1128 p += scnprintf(p, end - p, " src_divs=["); 1129 p = generate_random_sgl_divisions(rng, cfg->src_divs, 1130 ARRAY_SIZE(cfg->src_divs), p, end, 1131 (cfg->finalization_type != 1132 FINALIZATION_TYPE_DIGEST), 1133 cfg->req_flags); 1134 p += scnprintf(p, end - p, "]"); 1135 1136 if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) { 1137 p += scnprintf(p, end - p, " dst_divs=["); 1138 p = generate_random_sgl_divisions(rng, cfg->dst_divs, 1139 ARRAY_SIZE(cfg->dst_divs), 1140 p, end, false, 1141 cfg->req_flags); 1142 p += scnprintf(p, end - p, "]"); 1143 } 1144 1145 if (prandom_bool(rng)) { 1146 cfg->iv_offset = prandom_u32_inclusive(rng, 1, 1147 MAX_ALGAPI_ALIGNMASK); 1148 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset); 1149 } 1150 1151 if (prandom_bool(rng)) { 1152 cfg->key_offset = prandom_u32_inclusive(rng, 1, 1153 MAX_ALGAPI_ALIGNMASK); 1154 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset); 1155 } 1156 1157 WARN_ON_ONCE(!valid_testvec_config(cfg)); 1158 } 1159 1160 static void crypto_disable_simd_for_test(void) 1161 { 1162 migrate_disable(); 1163 __this_cpu_write(crypto_simd_disabled_for_test, true); 1164 } 1165 1166 static void crypto_reenable_simd_for_test(void) 1167 { 1168 __this_cpu_write(crypto_simd_disabled_for_test, false); 1169 migrate_enable(); 1170 } 1171 1172 /* 1173 * Given an algorithm name, build the name of the generic implementation of that 1174 * algorithm, assuming the usual naming convention. Specifically, this appends 1175 * "-generic" to every part of the name that is not a template name. Examples: 1176 * 1177 * aes => aes-generic 1178 * cbc(aes) => cbc(aes-generic) 1179 * cts(cbc(aes)) => cts(cbc(aes-generic)) 1180 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic) 1181 * 1182 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long 1183 */ 1184 static int build_generic_driver_name(const char *algname, 1185 char driver_name[CRYPTO_MAX_ALG_NAME]) 1186 { 1187 const char *in = algname; 1188 char *out = driver_name; 1189 size_t len = strlen(algname); 1190 1191 if (len >= CRYPTO_MAX_ALG_NAME) 1192 goto too_long; 1193 do { 1194 const char *in_saved = in; 1195 1196 while (*in && *in != '(' && *in != ')' && *in != ',') 1197 *out++ = *in++; 1198 if (*in != '(' && in > in_saved) { 1199 len += 8; 1200 if (len >= CRYPTO_MAX_ALG_NAME) 1201 goto too_long; 1202 memcpy(out, "-generic", 8); 1203 out += 8; 1204 } 1205 } while ((*out++ = *in++) != '\0'); 1206 return 0; 1207 1208 too_long: 1209 pr_err("alg: generic driver name for \"%s\" would be too long\n", 1210 algname); 1211 return -ENAMETOOLONG; 1212 } 1213 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1214 static void crypto_disable_simd_for_test(void) 1215 { 1216 } 1217 1218 static void crypto_reenable_simd_for_test(void) 1219 { 1220 } 1221 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1222 1223 static int build_hash_sglist(struct test_sglist *tsgl, 1224 const struct hash_testvec *vec, 1225 const struct testvec_config *cfg, 1226 unsigned int alignmask, 1227 const struct test_sg_division *divs[XBUFSIZE]) 1228 { 1229 struct kvec kv; 1230 struct iov_iter input; 1231 1232 kv.iov_base = (void *)vec->plaintext; 1233 kv.iov_len = vec->psize; 1234 iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize); 1235 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize, 1236 &input, divs); 1237 } 1238 1239 static int check_hash_result(const char *type, 1240 const u8 *result, unsigned int digestsize, 1241 const struct hash_testvec *vec, 1242 const char *vec_name, 1243 const char *driver, 1244 const struct testvec_config *cfg) 1245 { 1246 if (memcmp(result, vec->digest, digestsize) != 0) { 1247 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 1248 type, driver, vec_name, cfg->name); 1249 return -EINVAL; 1250 } 1251 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) { 1252 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n", 1253 type, driver, vec_name, cfg->name); 1254 return -EOVERFLOW; 1255 } 1256 return 0; 1257 } 1258 1259 static inline int check_shash_op(const char *op, int err, 1260 const char *driver, const char *vec_name, 1261 const struct testvec_config *cfg) 1262 { 1263 if (err) 1264 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1265 driver, op, err, vec_name, cfg->name); 1266 return err; 1267 } 1268 1269 /* Test one hash test vector in one configuration, using the shash API */ 1270 static int test_shash_vec_cfg(const struct hash_testvec *vec, 1271 const char *vec_name, 1272 const struct testvec_config *cfg, 1273 struct shash_desc *desc, 1274 struct test_sglist *tsgl, 1275 u8 *hashstate) 1276 { 1277 struct crypto_shash *tfm = desc->tfm; 1278 const unsigned int digestsize = crypto_shash_digestsize(tfm); 1279 const unsigned int statesize = crypto_shash_statesize(tfm); 1280 const char *driver = crypto_shash_driver_name(tfm); 1281 const struct test_sg_division *divs[XBUFSIZE]; 1282 unsigned int i; 1283 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1284 int err; 1285 1286 /* Set the key, if specified */ 1287 if (vec->ksize) { 1288 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize, 1289 cfg, 0); 1290 if (err) { 1291 if (err == vec->setkey_error) 1292 return 0; 1293 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1294 driver, vec_name, vec->setkey_error, err, 1295 crypto_shash_get_flags(tfm)); 1296 return err; 1297 } 1298 if (vec->setkey_error) { 1299 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1300 driver, vec_name, vec->setkey_error); 1301 return -EINVAL; 1302 } 1303 } 1304 1305 /* Build the scatterlist for the source data */ 1306 err = build_hash_sglist(tsgl, vec, cfg, 0, divs); 1307 if (err) { 1308 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1309 driver, vec_name, cfg->name); 1310 return err; 1311 } 1312 1313 /* Do the actual hashing */ 1314 1315 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1316 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1317 1318 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1319 vec->digest_error) { 1320 /* Just using digest() */ 1321 if (tsgl->nents != 1) 1322 return 0; 1323 if (cfg->nosimd) 1324 crypto_disable_simd_for_test(); 1325 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]), 1326 tsgl->sgl[0].length, result); 1327 if (cfg->nosimd) 1328 crypto_reenable_simd_for_test(); 1329 if (err) { 1330 if (err == vec->digest_error) 1331 return 0; 1332 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1333 driver, vec_name, vec->digest_error, err, 1334 cfg->name); 1335 return err; 1336 } 1337 if (vec->digest_error) { 1338 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1339 driver, vec_name, vec->digest_error, cfg->name); 1340 return -EINVAL; 1341 } 1342 goto result_ready; 1343 } 1344 1345 /* Using init(), zero or more update(), then final() or finup() */ 1346 1347 if (cfg->nosimd) 1348 crypto_disable_simd_for_test(); 1349 err = crypto_shash_init(desc); 1350 if (cfg->nosimd) 1351 crypto_reenable_simd_for_test(); 1352 err = check_shash_op("init", err, driver, vec_name, cfg); 1353 if (err) 1354 return err; 1355 1356 for (i = 0; i < tsgl->nents; i++) { 1357 if (i + 1 == tsgl->nents && 1358 cfg->finalization_type == FINALIZATION_TYPE_FINUP) { 1359 if (divs[i]->nosimd) 1360 crypto_disable_simd_for_test(); 1361 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]), 1362 tsgl->sgl[i].length, result); 1363 if (divs[i]->nosimd) 1364 crypto_reenable_simd_for_test(); 1365 err = check_shash_op("finup", err, driver, vec_name, 1366 cfg); 1367 if (err) 1368 return err; 1369 goto result_ready; 1370 } 1371 if (divs[i]->nosimd) 1372 crypto_disable_simd_for_test(); 1373 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]), 1374 tsgl->sgl[i].length); 1375 if (divs[i]->nosimd) 1376 crypto_reenable_simd_for_test(); 1377 err = check_shash_op("update", err, driver, vec_name, cfg); 1378 if (err) 1379 return err; 1380 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1381 /* Test ->export() and ->import() */ 1382 testmgr_poison(hashstate + statesize, 1383 TESTMGR_POISON_LEN); 1384 err = crypto_shash_export(desc, hashstate); 1385 err = check_shash_op("export", err, driver, vec_name, 1386 cfg); 1387 if (err) 1388 return err; 1389 if (!testmgr_is_poison(hashstate + statesize, 1390 TESTMGR_POISON_LEN)) { 1391 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1392 driver, vec_name, cfg->name); 1393 return -EOVERFLOW; 1394 } 1395 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm)); 1396 err = crypto_shash_import(desc, hashstate); 1397 err = check_shash_op("import", err, driver, vec_name, 1398 cfg); 1399 if (err) 1400 return err; 1401 } 1402 } 1403 1404 if (cfg->nosimd) 1405 crypto_disable_simd_for_test(); 1406 err = crypto_shash_final(desc, result); 1407 if (cfg->nosimd) 1408 crypto_reenable_simd_for_test(); 1409 err = check_shash_op("final", err, driver, vec_name, cfg); 1410 if (err) 1411 return err; 1412 result_ready: 1413 return check_hash_result("shash", result, digestsize, vec, vec_name, 1414 driver, cfg); 1415 } 1416 1417 static int do_ahash_op(int (*op)(struct ahash_request *req), 1418 struct ahash_request *req, 1419 struct crypto_wait *wait, bool nosimd) 1420 { 1421 int err; 1422 1423 if (nosimd) 1424 crypto_disable_simd_for_test(); 1425 1426 err = op(req); 1427 1428 if (nosimd) 1429 crypto_reenable_simd_for_test(); 1430 1431 return crypto_wait_req(err, wait); 1432 } 1433 1434 static int check_nonfinal_ahash_op(const char *op, int err, 1435 u8 *result, unsigned int digestsize, 1436 const char *driver, const char *vec_name, 1437 const struct testvec_config *cfg) 1438 { 1439 if (err) { 1440 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n", 1441 driver, op, err, vec_name, cfg->name); 1442 return err; 1443 } 1444 if (!testmgr_is_poison(result, digestsize)) { 1445 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n", 1446 driver, op, vec_name, cfg->name); 1447 return -EINVAL; 1448 } 1449 return 0; 1450 } 1451 1452 /* Test one hash test vector in one configuration, using the ahash API */ 1453 static int test_ahash_vec_cfg(const struct hash_testvec *vec, 1454 const char *vec_name, 1455 const struct testvec_config *cfg, 1456 struct ahash_request *req, 1457 struct test_sglist *tsgl, 1458 u8 *hashstate) 1459 { 1460 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1461 const unsigned int alignmask = crypto_ahash_alignmask(tfm); 1462 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1463 const unsigned int statesize = crypto_ahash_statesize(tfm); 1464 const char *driver = crypto_ahash_driver_name(tfm); 1465 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1466 const struct test_sg_division *divs[XBUFSIZE]; 1467 DECLARE_CRYPTO_WAIT(wait); 1468 unsigned int i; 1469 struct scatterlist *pending_sgl; 1470 unsigned int pending_len; 1471 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 1472 int err; 1473 1474 /* Set the key, if specified */ 1475 if (vec->ksize) { 1476 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize, 1477 cfg, alignmask); 1478 if (err) { 1479 if (err == vec->setkey_error) 1480 return 0; 1481 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 1482 driver, vec_name, vec->setkey_error, err, 1483 crypto_ahash_get_flags(tfm)); 1484 return err; 1485 } 1486 if (vec->setkey_error) { 1487 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 1488 driver, vec_name, vec->setkey_error); 1489 return -EINVAL; 1490 } 1491 } 1492 1493 /* Build the scatterlist for the source data */ 1494 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs); 1495 if (err) { 1496 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", 1497 driver, vec_name, cfg->name); 1498 return err; 1499 } 1500 1501 /* Do the actual hashing */ 1502 1503 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1504 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 1505 1506 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST || 1507 vec->digest_error) { 1508 /* Just using digest() */ 1509 ahash_request_set_callback(req, req_flags, crypto_req_done, 1510 &wait); 1511 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize); 1512 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd); 1513 if (err) { 1514 if (err == vec->digest_error) 1515 return 0; 1516 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 1517 driver, vec_name, vec->digest_error, err, 1518 cfg->name); 1519 return err; 1520 } 1521 if (vec->digest_error) { 1522 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 1523 driver, vec_name, vec->digest_error, cfg->name); 1524 return -EINVAL; 1525 } 1526 goto result_ready; 1527 } 1528 1529 /* Using init(), zero or more update(), then final() or finup() */ 1530 1531 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1532 ahash_request_set_crypt(req, NULL, result, 0); 1533 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd); 1534 err = check_nonfinal_ahash_op("init", err, result, digestsize, 1535 driver, vec_name, cfg); 1536 if (err) 1537 return err; 1538 1539 pending_sgl = NULL; 1540 pending_len = 0; 1541 for (i = 0; i < tsgl->nents; i++) { 1542 if (divs[i]->flush_type != FLUSH_TYPE_NONE && 1543 pending_sgl != NULL) { 1544 /* update() with the pending data */ 1545 ahash_request_set_callback(req, req_flags, 1546 crypto_req_done, &wait); 1547 ahash_request_set_crypt(req, pending_sgl, result, 1548 pending_len); 1549 err = do_ahash_op(crypto_ahash_update, req, &wait, 1550 divs[i]->nosimd); 1551 err = check_nonfinal_ahash_op("update", err, 1552 result, digestsize, 1553 driver, vec_name, cfg); 1554 if (err) 1555 return err; 1556 pending_sgl = NULL; 1557 pending_len = 0; 1558 } 1559 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 1560 /* Test ->export() and ->import() */ 1561 testmgr_poison(hashstate + statesize, 1562 TESTMGR_POISON_LEN); 1563 err = crypto_ahash_export(req, hashstate); 1564 err = check_nonfinal_ahash_op("export", err, 1565 result, digestsize, 1566 driver, vec_name, cfg); 1567 if (err) 1568 return err; 1569 if (!testmgr_is_poison(hashstate + statesize, 1570 TESTMGR_POISON_LEN)) { 1571 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n", 1572 driver, vec_name, cfg->name); 1573 return -EOVERFLOW; 1574 } 1575 1576 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 1577 err = crypto_ahash_import(req, hashstate); 1578 err = check_nonfinal_ahash_op("import", err, 1579 result, digestsize, 1580 driver, vec_name, cfg); 1581 if (err) 1582 return err; 1583 } 1584 if (pending_sgl == NULL) 1585 pending_sgl = &tsgl->sgl[i]; 1586 pending_len += tsgl->sgl[i].length; 1587 } 1588 1589 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 1590 ahash_request_set_crypt(req, pending_sgl, result, pending_len); 1591 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) { 1592 /* finish with update() and final() */ 1593 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd); 1594 err = check_nonfinal_ahash_op("update", err, result, digestsize, 1595 driver, vec_name, cfg); 1596 if (err) 1597 return err; 1598 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd); 1599 if (err) { 1600 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n", 1601 driver, err, vec_name, cfg->name); 1602 return err; 1603 } 1604 } else { 1605 /* finish with finup() */ 1606 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd); 1607 if (err) { 1608 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n", 1609 driver, err, vec_name, cfg->name); 1610 return err; 1611 } 1612 } 1613 1614 result_ready: 1615 return check_hash_result("ahash", result, digestsize, vec, vec_name, 1616 driver, cfg); 1617 } 1618 1619 static int test_hash_vec_cfg(const struct hash_testvec *vec, 1620 const char *vec_name, 1621 const struct testvec_config *cfg, 1622 struct ahash_request *req, 1623 struct shash_desc *desc, 1624 struct test_sglist *tsgl, 1625 u8 *hashstate) 1626 { 1627 int err; 1628 1629 /* 1630 * For algorithms implemented as "shash", most bugs will be detected by 1631 * both the shash and ahash tests. Test the shash API first so that the 1632 * failures involve less indirection, so are easier to debug. 1633 */ 1634 1635 if (desc) { 1636 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl, 1637 hashstate); 1638 if (err) 1639 return err; 1640 } 1641 1642 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate); 1643 } 1644 1645 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num, 1646 struct ahash_request *req, struct shash_desc *desc, 1647 struct test_sglist *tsgl, u8 *hashstate) 1648 { 1649 char vec_name[16]; 1650 unsigned int i; 1651 int err; 1652 1653 sprintf(vec_name, "%u", vec_num); 1654 1655 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) { 1656 err = test_hash_vec_cfg(vec, vec_name, 1657 &default_hash_testvec_configs[i], 1658 req, desc, tsgl, hashstate); 1659 if (err) 1660 return err; 1661 } 1662 1663 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1664 if (!noextratests) { 1665 struct rnd_state rng; 1666 struct testvec_config cfg; 1667 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1668 1669 init_rnd_state(&rng); 1670 1671 for (i = 0; i < fuzz_iterations; i++) { 1672 generate_random_testvec_config(&rng, &cfg, cfgname, 1673 sizeof(cfgname)); 1674 err = test_hash_vec_cfg(vec, vec_name, &cfg, 1675 req, desc, tsgl, hashstate); 1676 if (err) 1677 return err; 1678 cond_resched(); 1679 } 1680 } 1681 #endif 1682 return 0; 1683 } 1684 1685 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1686 /* 1687 * Generate a hash test vector from the given implementation. 1688 * Assumes the buffers in 'vec' were already allocated. 1689 */ 1690 static void generate_random_hash_testvec(struct rnd_state *rng, 1691 struct shash_desc *desc, 1692 struct hash_testvec *vec, 1693 unsigned int maxkeysize, 1694 unsigned int maxdatasize, 1695 char *name, size_t max_namelen) 1696 { 1697 /* Data */ 1698 vec->psize = generate_random_length(rng, maxdatasize); 1699 generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize); 1700 1701 /* 1702 * Key: length in range [1, maxkeysize], but usually choose maxkeysize. 1703 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0. 1704 */ 1705 vec->setkey_error = 0; 1706 vec->ksize = 0; 1707 if (maxkeysize) { 1708 vec->ksize = maxkeysize; 1709 if (prandom_u32_below(rng, 4) == 0) 1710 vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize); 1711 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize); 1712 1713 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key, 1714 vec->ksize); 1715 /* If the key couldn't be set, no need to continue to digest. */ 1716 if (vec->setkey_error) 1717 goto done; 1718 } 1719 1720 /* Digest */ 1721 vec->digest_error = crypto_shash_digest(desc, vec->plaintext, 1722 vec->psize, (u8 *)vec->digest); 1723 done: 1724 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"", 1725 vec->psize, vec->ksize); 1726 } 1727 1728 /* 1729 * Test the hash algorithm represented by @req against the corresponding generic 1730 * implementation, if one is available. 1731 */ 1732 static int test_hash_vs_generic_impl(const char *generic_driver, 1733 unsigned int maxkeysize, 1734 struct ahash_request *req, 1735 struct shash_desc *desc, 1736 struct test_sglist *tsgl, 1737 u8 *hashstate) 1738 { 1739 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 1740 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 1741 const unsigned int blocksize = crypto_ahash_blocksize(tfm); 1742 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 1743 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name; 1744 const char *driver = crypto_ahash_driver_name(tfm); 1745 struct rnd_state rng; 1746 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 1747 struct crypto_shash *generic_tfm = NULL; 1748 struct shash_desc *generic_desc = NULL; 1749 unsigned int i; 1750 struct hash_testvec vec = { 0 }; 1751 char vec_name[64]; 1752 struct testvec_config *cfg; 1753 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1754 int err; 1755 1756 if (noextratests) 1757 return 0; 1758 1759 init_rnd_state(&rng); 1760 1761 if (!generic_driver) { /* Use default naming convention? */ 1762 err = build_generic_driver_name(algname, _generic_driver); 1763 if (err) 1764 return err; 1765 generic_driver = _generic_driver; 1766 } 1767 1768 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 1769 return 0; 1770 1771 generic_tfm = crypto_alloc_shash(generic_driver, 0, 0); 1772 if (IS_ERR(generic_tfm)) { 1773 err = PTR_ERR(generic_tfm); 1774 if (err == -ENOENT) { 1775 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n", 1776 driver, generic_driver); 1777 return 0; 1778 } 1779 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n", 1780 generic_driver, algname, err); 1781 return err; 1782 } 1783 1784 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 1785 if (!cfg) { 1786 err = -ENOMEM; 1787 goto out; 1788 } 1789 1790 generic_desc = kzalloc(sizeof(*desc) + 1791 crypto_shash_descsize(generic_tfm), GFP_KERNEL); 1792 if (!generic_desc) { 1793 err = -ENOMEM; 1794 goto out; 1795 } 1796 generic_desc->tfm = generic_tfm; 1797 1798 /* Check the algorithm properties for consistency. */ 1799 1800 if (digestsize != crypto_shash_digestsize(generic_tfm)) { 1801 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n", 1802 driver, digestsize, 1803 crypto_shash_digestsize(generic_tfm)); 1804 err = -EINVAL; 1805 goto out; 1806 } 1807 1808 if (blocksize != crypto_shash_blocksize(generic_tfm)) { 1809 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n", 1810 driver, blocksize, crypto_shash_blocksize(generic_tfm)); 1811 err = -EINVAL; 1812 goto out; 1813 } 1814 1815 /* 1816 * Now generate test vectors using the generic implementation, and test 1817 * the other implementation against them. 1818 */ 1819 1820 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 1821 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL); 1822 vec.digest = kmalloc(digestsize, GFP_KERNEL); 1823 if (!vec.key || !vec.plaintext || !vec.digest) { 1824 err = -ENOMEM; 1825 goto out; 1826 } 1827 1828 for (i = 0; i < fuzz_iterations * 8; i++) { 1829 generate_random_hash_testvec(&rng, generic_desc, &vec, 1830 maxkeysize, maxdatasize, 1831 vec_name, sizeof(vec_name)); 1832 generate_random_testvec_config(&rng, cfg, cfgname, 1833 sizeof(cfgname)); 1834 1835 err = test_hash_vec_cfg(&vec, vec_name, cfg, 1836 req, desc, tsgl, hashstate); 1837 if (err) 1838 goto out; 1839 cond_resched(); 1840 } 1841 err = 0; 1842 out: 1843 kfree(cfg); 1844 kfree(vec.key); 1845 kfree(vec.plaintext); 1846 kfree(vec.digest); 1847 crypto_free_shash(generic_tfm); 1848 kfree_sensitive(generic_desc); 1849 return err; 1850 } 1851 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1852 static int test_hash_vs_generic_impl(const char *generic_driver, 1853 unsigned int maxkeysize, 1854 struct ahash_request *req, 1855 struct shash_desc *desc, 1856 struct test_sglist *tsgl, 1857 u8 *hashstate) 1858 { 1859 return 0; 1860 } 1861 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 1862 1863 static int alloc_shash(const char *driver, u32 type, u32 mask, 1864 struct crypto_shash **tfm_ret, 1865 struct shash_desc **desc_ret) 1866 { 1867 struct crypto_shash *tfm; 1868 struct shash_desc *desc; 1869 1870 tfm = crypto_alloc_shash(driver, type, mask); 1871 if (IS_ERR(tfm)) { 1872 if (PTR_ERR(tfm) == -ENOENT) { 1873 /* 1874 * This algorithm is only available through the ahash 1875 * API, not the shash API, so skip the shash tests. 1876 */ 1877 return 0; 1878 } 1879 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n", 1880 driver, PTR_ERR(tfm)); 1881 return PTR_ERR(tfm); 1882 } 1883 1884 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL); 1885 if (!desc) { 1886 crypto_free_shash(tfm); 1887 return -ENOMEM; 1888 } 1889 desc->tfm = tfm; 1890 1891 *tfm_ret = tfm; 1892 *desc_ret = desc; 1893 return 0; 1894 } 1895 1896 static int __alg_test_hash(const struct hash_testvec *vecs, 1897 unsigned int num_vecs, const char *driver, 1898 u32 type, u32 mask, 1899 const char *generic_driver, unsigned int maxkeysize) 1900 { 1901 struct crypto_ahash *atfm = NULL; 1902 struct ahash_request *req = NULL; 1903 struct crypto_shash *stfm = NULL; 1904 struct shash_desc *desc = NULL; 1905 struct test_sglist *tsgl = NULL; 1906 u8 *hashstate = NULL; 1907 unsigned int statesize; 1908 unsigned int i; 1909 int err; 1910 1911 /* 1912 * Always test the ahash API. This works regardless of whether the 1913 * algorithm is implemented as ahash or shash. 1914 */ 1915 1916 atfm = crypto_alloc_ahash(driver, type, mask); 1917 if (IS_ERR(atfm)) { 1918 pr_err("alg: hash: failed to allocate transform for %s: %ld\n", 1919 driver, PTR_ERR(atfm)); 1920 return PTR_ERR(atfm); 1921 } 1922 driver = crypto_ahash_driver_name(atfm); 1923 1924 req = ahash_request_alloc(atfm, GFP_KERNEL); 1925 if (!req) { 1926 pr_err("alg: hash: failed to allocate request for %s\n", 1927 driver); 1928 err = -ENOMEM; 1929 goto out; 1930 } 1931 1932 /* 1933 * If available also test the shash API, to cover corner cases that may 1934 * be missed by testing the ahash API only. 1935 */ 1936 err = alloc_shash(driver, type, mask, &stfm, &desc); 1937 if (err) 1938 goto out; 1939 1940 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL); 1941 if (!tsgl || init_test_sglist(tsgl) != 0) { 1942 pr_err("alg: hash: failed to allocate test buffers for %s\n", 1943 driver); 1944 kfree(tsgl); 1945 tsgl = NULL; 1946 err = -ENOMEM; 1947 goto out; 1948 } 1949 1950 statesize = crypto_ahash_statesize(atfm); 1951 if (stfm) 1952 statesize = max(statesize, crypto_shash_statesize(stfm)); 1953 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL); 1954 if (!hashstate) { 1955 pr_err("alg: hash: failed to allocate hash state buffer for %s\n", 1956 driver); 1957 err = -ENOMEM; 1958 goto out; 1959 } 1960 1961 for (i = 0; i < num_vecs; i++) { 1962 if (fips_enabled && vecs[i].fips_skip) 1963 continue; 1964 1965 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate); 1966 if (err) 1967 goto out; 1968 cond_resched(); 1969 } 1970 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req, 1971 desc, tsgl, hashstate); 1972 out: 1973 kfree(hashstate); 1974 if (tsgl) { 1975 destroy_test_sglist(tsgl); 1976 kfree(tsgl); 1977 } 1978 kfree(desc); 1979 crypto_free_shash(stfm); 1980 ahash_request_free(req); 1981 crypto_free_ahash(atfm); 1982 return err; 1983 } 1984 1985 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver, 1986 u32 type, u32 mask) 1987 { 1988 const struct hash_testvec *template = desc->suite.hash.vecs; 1989 unsigned int tcount = desc->suite.hash.count; 1990 unsigned int nr_unkeyed, nr_keyed; 1991 unsigned int maxkeysize = 0; 1992 int err; 1993 1994 /* 1995 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests 1996 * first, before setting a key on the tfm. To make this easier, we 1997 * require that the unkeyed test vectors (if any) are listed first. 1998 */ 1999 2000 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) { 2001 if (template[nr_unkeyed].ksize) 2002 break; 2003 } 2004 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) { 2005 if (!template[nr_unkeyed + nr_keyed].ksize) { 2006 pr_err("alg: hash: test vectors for %s out of order, " 2007 "unkeyed ones must come first\n", desc->alg); 2008 return -EINVAL; 2009 } 2010 maxkeysize = max_t(unsigned int, maxkeysize, 2011 template[nr_unkeyed + nr_keyed].ksize); 2012 } 2013 2014 err = 0; 2015 if (nr_unkeyed) { 2016 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask, 2017 desc->generic_driver, maxkeysize); 2018 template += nr_unkeyed; 2019 } 2020 2021 if (!err && nr_keyed) 2022 err = __alg_test_hash(template, nr_keyed, driver, type, mask, 2023 desc->generic_driver, maxkeysize); 2024 2025 return err; 2026 } 2027 2028 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec, 2029 const char *vec_name, 2030 const struct testvec_config *cfg, 2031 struct aead_request *req, 2032 struct cipher_test_sglists *tsgls) 2033 { 2034 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2035 const unsigned int alignmask = crypto_aead_alignmask(tfm); 2036 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2037 const unsigned int authsize = vec->clen - vec->plen; 2038 const char *driver = crypto_aead_driver_name(tfm); 2039 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 2040 const char *op = enc ? "encryption" : "decryption"; 2041 DECLARE_CRYPTO_WAIT(wait); 2042 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 2043 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 2044 cfg->iv_offset + 2045 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 2046 struct kvec input[2]; 2047 int err; 2048 2049 /* Set the key */ 2050 if (vec->wk) 2051 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2052 else 2053 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2054 2055 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen, 2056 cfg, alignmask); 2057 if (err && err != vec->setkey_error) { 2058 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2059 driver, vec_name, vec->setkey_error, err, 2060 crypto_aead_get_flags(tfm)); 2061 return err; 2062 } 2063 if (!err && vec->setkey_error) { 2064 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2065 driver, vec_name, vec->setkey_error); 2066 return -EINVAL; 2067 } 2068 2069 /* Set the authentication tag size */ 2070 err = crypto_aead_setauthsize(tfm, authsize); 2071 if (err && err != vec->setauthsize_error) { 2072 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n", 2073 driver, vec_name, vec->setauthsize_error, err); 2074 return err; 2075 } 2076 if (!err && vec->setauthsize_error) { 2077 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n", 2078 driver, vec_name, vec->setauthsize_error); 2079 return -EINVAL; 2080 } 2081 2082 if (vec->setkey_error || vec->setauthsize_error) 2083 return 0; 2084 2085 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2086 if (WARN_ON(ivsize > MAX_IVLEN)) 2087 return -EINVAL; 2088 if (vec->iv) 2089 memcpy(iv, vec->iv, ivsize); 2090 else 2091 memset(iv, 0, ivsize); 2092 2093 /* Build the src/dst scatterlists */ 2094 input[0].iov_base = (void *)vec->assoc; 2095 input[0].iov_len = vec->alen; 2096 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2097 input[1].iov_len = enc ? vec->plen : vec->clen; 2098 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2099 vec->alen + (enc ? vec->plen : 2100 vec->clen), 2101 vec->alen + (enc ? vec->clen : 2102 vec->plen), 2103 input, 2); 2104 if (err) { 2105 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2106 driver, op, vec_name, cfg->name); 2107 return err; 2108 } 2109 2110 /* Do the actual encryption or decryption */ 2111 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm)); 2112 aead_request_set_callback(req, req_flags, crypto_req_done, &wait); 2113 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2114 enc ? vec->plen : vec->clen, iv); 2115 aead_request_set_ad(req, vec->alen); 2116 if (cfg->nosimd) 2117 crypto_disable_simd_for_test(); 2118 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req); 2119 if (cfg->nosimd) 2120 crypto_reenable_simd_for_test(); 2121 err = crypto_wait_req(err, &wait); 2122 2123 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2124 if (req->cryptlen != (enc ? vec->plen : vec->clen) || 2125 req->assoclen != vec->alen || 2126 req->iv != iv || 2127 req->src != tsgls->src.sgl_ptr || 2128 req->dst != tsgls->dst.sgl_ptr || 2129 crypto_aead_reqtfm(req) != tfm || 2130 req->base.complete != crypto_req_done || 2131 req->base.flags != req_flags || 2132 req->base.data != &wait) { 2133 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2134 driver, op, vec_name, cfg->name); 2135 if (req->cryptlen != (enc ? vec->plen : vec->clen)) 2136 pr_err("alg: aead: changed 'req->cryptlen'\n"); 2137 if (req->assoclen != vec->alen) 2138 pr_err("alg: aead: changed 'req->assoclen'\n"); 2139 if (req->iv != iv) 2140 pr_err("alg: aead: changed 'req->iv'\n"); 2141 if (req->src != tsgls->src.sgl_ptr) 2142 pr_err("alg: aead: changed 'req->src'\n"); 2143 if (req->dst != tsgls->dst.sgl_ptr) 2144 pr_err("alg: aead: changed 'req->dst'\n"); 2145 if (crypto_aead_reqtfm(req) != tfm) 2146 pr_err("alg: aead: changed 'req->base.tfm'\n"); 2147 if (req->base.complete != crypto_req_done) 2148 pr_err("alg: aead: changed 'req->base.complete'\n"); 2149 if (req->base.flags != req_flags) 2150 pr_err("alg: aead: changed 'req->base.flags'\n"); 2151 if (req->base.data != &wait) 2152 pr_err("alg: aead: changed 'req->base.data'\n"); 2153 return -EINVAL; 2154 } 2155 if (is_test_sglist_corrupted(&tsgls->src)) { 2156 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2157 driver, op, vec_name, cfg->name); 2158 return -EINVAL; 2159 } 2160 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2161 is_test_sglist_corrupted(&tsgls->dst)) { 2162 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2163 driver, op, vec_name, cfg->name); 2164 return -EINVAL; 2165 } 2166 2167 /* Check for unexpected success or failure, or wrong error code */ 2168 if ((err == 0 && vec->novrfy) || 2169 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) { 2170 char expected_error[32]; 2171 2172 if (vec->novrfy && 2173 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG) 2174 sprintf(expected_error, "-EBADMSG or %d", 2175 vec->crypt_error); 2176 else if (vec->novrfy) 2177 sprintf(expected_error, "-EBADMSG"); 2178 else 2179 sprintf(expected_error, "%d", vec->crypt_error); 2180 if (err) { 2181 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n", 2182 driver, op, vec_name, expected_error, err, 2183 cfg->name); 2184 return err; 2185 } 2186 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n", 2187 driver, op, vec_name, expected_error, cfg->name); 2188 return -EINVAL; 2189 } 2190 if (err) /* Expectedly failed. */ 2191 return 0; 2192 2193 /* Check for the correct output (ciphertext or plaintext) */ 2194 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2195 enc ? vec->clen : vec->plen, 2196 vec->alen, 2197 enc || cfg->inplace_mode == OUT_OF_PLACE); 2198 if (err == -EOVERFLOW) { 2199 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2200 driver, op, vec_name, cfg->name); 2201 return err; 2202 } 2203 if (err) { 2204 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2205 driver, op, vec_name, cfg->name); 2206 return err; 2207 } 2208 2209 return 0; 2210 } 2211 2212 static int test_aead_vec(int enc, const struct aead_testvec *vec, 2213 unsigned int vec_num, struct aead_request *req, 2214 struct cipher_test_sglists *tsgls) 2215 { 2216 char vec_name[16]; 2217 unsigned int i; 2218 int err; 2219 2220 if (enc && vec->novrfy) 2221 return 0; 2222 2223 sprintf(vec_name, "%u", vec_num); 2224 2225 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2226 err = test_aead_vec_cfg(enc, vec, vec_name, 2227 &default_cipher_testvec_configs[i], 2228 req, tsgls); 2229 if (err) 2230 return err; 2231 } 2232 2233 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2234 if (!noextratests) { 2235 struct rnd_state rng; 2236 struct testvec_config cfg; 2237 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2238 2239 init_rnd_state(&rng); 2240 2241 for (i = 0; i < fuzz_iterations; i++) { 2242 generate_random_testvec_config(&rng, &cfg, cfgname, 2243 sizeof(cfgname)); 2244 err = test_aead_vec_cfg(enc, vec, vec_name, 2245 &cfg, req, tsgls); 2246 if (err) 2247 return err; 2248 cond_resched(); 2249 } 2250 } 2251 #endif 2252 return 0; 2253 } 2254 2255 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2256 2257 struct aead_extra_tests_ctx { 2258 struct rnd_state rng; 2259 struct aead_request *req; 2260 struct crypto_aead *tfm; 2261 const struct alg_test_desc *test_desc; 2262 struct cipher_test_sglists *tsgls; 2263 unsigned int maxdatasize; 2264 unsigned int maxkeysize; 2265 2266 struct aead_testvec vec; 2267 char vec_name[64]; 2268 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2269 struct testvec_config cfg; 2270 }; 2271 2272 /* 2273 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext" 2274 * here means the full ciphertext including the authentication tag. The 2275 * authentication tag (and hence also the ciphertext) is assumed to be nonempty. 2276 */ 2277 static void mutate_aead_message(struct rnd_state *rng, 2278 struct aead_testvec *vec, bool aad_iv, 2279 unsigned int ivsize) 2280 { 2281 const unsigned int aad_tail_size = aad_iv ? ivsize : 0; 2282 const unsigned int authsize = vec->clen - vec->plen; 2283 2284 if (prandom_bool(rng) && vec->alen > aad_tail_size) { 2285 /* Mutate the AAD */ 2286 flip_random_bit(rng, (u8 *)vec->assoc, 2287 vec->alen - aad_tail_size); 2288 if (prandom_bool(rng)) 2289 return; 2290 } 2291 if (prandom_bool(rng)) { 2292 /* Mutate auth tag (assuming it's at the end of ciphertext) */ 2293 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize); 2294 } else { 2295 /* Mutate any part of the ciphertext */ 2296 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen); 2297 } 2298 } 2299 2300 /* 2301 * Minimum authentication tag size in bytes at which we assume that we can 2302 * reliably generate inauthentic messages, i.e. not generate an authentic 2303 * message by chance. 2304 */ 2305 #define MIN_COLLISION_FREE_AUTHSIZE 8 2306 2307 static void generate_aead_message(struct rnd_state *rng, 2308 struct aead_request *req, 2309 const struct aead_test_suite *suite, 2310 struct aead_testvec *vec, 2311 bool prefer_inauthentic) 2312 { 2313 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2314 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2315 const unsigned int authsize = vec->clen - vec->plen; 2316 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) && 2317 (prefer_inauthentic || 2318 prandom_u32_below(rng, 4) == 0); 2319 2320 /* Generate the AAD. */ 2321 generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen); 2322 if (suite->aad_iv && vec->alen >= ivsize) 2323 /* Avoid implementation-defined behavior. */ 2324 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize); 2325 2326 if (inauthentic && prandom_bool(rng)) { 2327 /* Generate a random ciphertext. */ 2328 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen); 2329 } else { 2330 int i = 0; 2331 struct scatterlist src[2], dst; 2332 u8 iv[MAX_IVLEN]; 2333 DECLARE_CRYPTO_WAIT(wait); 2334 2335 /* Generate a random plaintext and encrypt it. */ 2336 sg_init_table(src, 2); 2337 if (vec->alen) 2338 sg_set_buf(&src[i++], vec->assoc, vec->alen); 2339 if (vec->plen) { 2340 generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen); 2341 sg_set_buf(&src[i++], vec->ptext, vec->plen); 2342 } 2343 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen); 2344 memcpy(iv, vec->iv, ivsize); 2345 aead_request_set_callback(req, 0, crypto_req_done, &wait); 2346 aead_request_set_crypt(req, src, &dst, vec->plen, iv); 2347 aead_request_set_ad(req, vec->alen); 2348 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req), 2349 &wait); 2350 /* If encryption failed, we're done. */ 2351 if (vec->crypt_error != 0) 2352 return; 2353 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen); 2354 if (!inauthentic) 2355 return; 2356 /* 2357 * Mutate the authentic (ciphertext, AAD) pair to get an 2358 * inauthentic one. 2359 */ 2360 mutate_aead_message(rng, vec, suite->aad_iv, ivsize); 2361 } 2362 vec->novrfy = 1; 2363 if (suite->einval_allowed) 2364 vec->crypt_error = -EINVAL; 2365 } 2366 2367 /* 2368 * Generate an AEAD test vector 'vec' using the implementation specified by 2369 * 'req'. The buffers in 'vec' must already be allocated. 2370 * 2371 * If 'prefer_inauthentic' is true, then this function will generate inauthentic 2372 * test vectors (i.e. vectors with 'vec->novrfy=1') more often. 2373 */ 2374 static void generate_random_aead_testvec(struct rnd_state *rng, 2375 struct aead_request *req, 2376 struct aead_testvec *vec, 2377 const struct aead_test_suite *suite, 2378 unsigned int maxkeysize, 2379 unsigned int maxdatasize, 2380 char *name, size_t max_namelen, 2381 bool prefer_inauthentic) 2382 { 2383 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 2384 const unsigned int ivsize = crypto_aead_ivsize(tfm); 2385 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm); 2386 unsigned int authsize; 2387 unsigned int total_len; 2388 2389 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 2390 vec->klen = maxkeysize; 2391 if (prandom_u32_below(rng, 4) == 0) 2392 vec->klen = prandom_u32_below(rng, maxkeysize + 1); 2393 generate_random_bytes(rng, (u8 *)vec->key, vec->klen); 2394 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen); 2395 2396 /* IV */ 2397 generate_random_bytes(rng, (u8 *)vec->iv, ivsize); 2398 2399 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */ 2400 authsize = maxauthsize; 2401 if (prandom_u32_below(rng, 4) == 0) 2402 authsize = prandom_u32_below(rng, maxauthsize + 1); 2403 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE) 2404 authsize = MIN_COLLISION_FREE_AUTHSIZE; 2405 if (WARN_ON(authsize > maxdatasize)) 2406 authsize = maxdatasize; 2407 maxdatasize -= authsize; 2408 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize); 2409 2410 /* AAD, plaintext, and ciphertext lengths */ 2411 total_len = generate_random_length(rng, maxdatasize); 2412 if (prandom_u32_below(rng, 4) == 0) 2413 vec->alen = 0; 2414 else 2415 vec->alen = generate_random_length(rng, total_len); 2416 vec->plen = total_len - vec->alen; 2417 vec->clen = vec->plen + authsize; 2418 2419 /* 2420 * Generate the AAD, plaintext, and ciphertext. Not applicable if the 2421 * key or the authentication tag size couldn't be set. 2422 */ 2423 vec->novrfy = 0; 2424 vec->crypt_error = 0; 2425 if (vec->setkey_error == 0 && vec->setauthsize_error == 0) 2426 generate_aead_message(rng, req, suite, vec, prefer_inauthentic); 2427 snprintf(name, max_namelen, 2428 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"", 2429 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy); 2430 } 2431 2432 static void try_to_generate_inauthentic_testvec( 2433 struct aead_extra_tests_ctx *ctx) 2434 { 2435 int i; 2436 2437 for (i = 0; i < 10; i++) { 2438 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec, 2439 &ctx->test_desc->suite.aead, 2440 ctx->maxkeysize, ctx->maxdatasize, 2441 ctx->vec_name, 2442 sizeof(ctx->vec_name), true); 2443 if (ctx->vec.novrfy) 2444 return; 2445 } 2446 } 2447 2448 /* 2449 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the 2450 * result of an encryption with the key) and verify that decryption fails. 2451 */ 2452 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx) 2453 { 2454 unsigned int i; 2455 int err; 2456 2457 for (i = 0; i < fuzz_iterations * 8; i++) { 2458 /* 2459 * Since this part of the tests isn't comparing the 2460 * implementation to another, there's no point in testing any 2461 * test vectors other than inauthentic ones (vec.novrfy=1) here. 2462 * 2463 * If we're having trouble generating such a test vector, e.g. 2464 * if the algorithm keeps rejecting the generated keys, don't 2465 * retry forever; just continue on. 2466 */ 2467 try_to_generate_inauthentic_testvec(ctx); 2468 if (ctx->vec.novrfy) { 2469 generate_random_testvec_config(&ctx->rng, &ctx->cfg, 2470 ctx->cfgname, 2471 sizeof(ctx->cfgname)); 2472 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2473 ctx->vec_name, &ctx->cfg, 2474 ctx->req, ctx->tsgls); 2475 if (err) 2476 return err; 2477 } 2478 cond_resched(); 2479 } 2480 return 0; 2481 } 2482 2483 /* 2484 * Test the AEAD algorithm against the corresponding generic implementation, if 2485 * one is available. 2486 */ 2487 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx) 2488 { 2489 struct crypto_aead *tfm = ctx->tfm; 2490 const char *algname = crypto_aead_alg(tfm)->base.cra_name; 2491 const char *driver = crypto_aead_driver_name(tfm); 2492 const char *generic_driver = ctx->test_desc->generic_driver; 2493 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 2494 struct crypto_aead *generic_tfm = NULL; 2495 struct aead_request *generic_req = NULL; 2496 unsigned int i; 2497 int err; 2498 2499 if (!generic_driver) { /* Use default naming convention? */ 2500 err = build_generic_driver_name(algname, _generic_driver); 2501 if (err) 2502 return err; 2503 generic_driver = _generic_driver; 2504 } 2505 2506 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 2507 return 0; 2508 2509 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0); 2510 if (IS_ERR(generic_tfm)) { 2511 err = PTR_ERR(generic_tfm); 2512 if (err == -ENOENT) { 2513 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n", 2514 driver, generic_driver); 2515 return 0; 2516 } 2517 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n", 2518 generic_driver, algname, err); 2519 return err; 2520 } 2521 2522 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL); 2523 if (!generic_req) { 2524 err = -ENOMEM; 2525 goto out; 2526 } 2527 2528 /* Check the algorithm properties for consistency. */ 2529 2530 if (crypto_aead_maxauthsize(tfm) != 2531 crypto_aead_maxauthsize(generic_tfm)) { 2532 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n", 2533 driver, crypto_aead_maxauthsize(tfm), 2534 crypto_aead_maxauthsize(generic_tfm)); 2535 err = -EINVAL; 2536 goto out; 2537 } 2538 2539 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) { 2540 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n", 2541 driver, crypto_aead_ivsize(tfm), 2542 crypto_aead_ivsize(generic_tfm)); 2543 err = -EINVAL; 2544 goto out; 2545 } 2546 2547 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) { 2548 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n", 2549 driver, crypto_aead_blocksize(tfm), 2550 crypto_aead_blocksize(generic_tfm)); 2551 err = -EINVAL; 2552 goto out; 2553 } 2554 2555 /* 2556 * Now generate test vectors using the generic implementation, and test 2557 * the other implementation against them. 2558 */ 2559 for (i = 0; i < fuzz_iterations * 8; i++) { 2560 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec, 2561 &ctx->test_desc->suite.aead, 2562 ctx->maxkeysize, ctx->maxdatasize, 2563 ctx->vec_name, 2564 sizeof(ctx->vec_name), false); 2565 generate_random_testvec_config(&ctx->rng, &ctx->cfg, 2566 ctx->cfgname, 2567 sizeof(ctx->cfgname)); 2568 if (!ctx->vec.novrfy) { 2569 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec, 2570 ctx->vec_name, &ctx->cfg, 2571 ctx->req, ctx->tsgls); 2572 if (err) 2573 goto out; 2574 } 2575 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) { 2576 err = test_aead_vec_cfg(DECRYPT, &ctx->vec, 2577 ctx->vec_name, &ctx->cfg, 2578 ctx->req, ctx->tsgls); 2579 if (err) 2580 goto out; 2581 } 2582 cond_resched(); 2583 } 2584 err = 0; 2585 out: 2586 crypto_free_aead(generic_tfm); 2587 aead_request_free(generic_req); 2588 return err; 2589 } 2590 2591 static int test_aead_extra(const struct alg_test_desc *test_desc, 2592 struct aead_request *req, 2593 struct cipher_test_sglists *tsgls) 2594 { 2595 struct aead_extra_tests_ctx *ctx; 2596 unsigned int i; 2597 int err; 2598 2599 if (noextratests) 2600 return 0; 2601 2602 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 2603 if (!ctx) 2604 return -ENOMEM; 2605 init_rnd_state(&ctx->rng); 2606 ctx->req = req; 2607 ctx->tfm = crypto_aead_reqtfm(req); 2608 ctx->test_desc = test_desc; 2609 ctx->tsgls = tsgls; 2610 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 2611 ctx->maxkeysize = 0; 2612 for (i = 0; i < test_desc->suite.aead.count; i++) 2613 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize, 2614 test_desc->suite.aead.vecs[i].klen); 2615 2616 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL); 2617 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL); 2618 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2619 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2620 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL); 2621 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc || 2622 !ctx->vec.ptext || !ctx->vec.ctext) { 2623 err = -ENOMEM; 2624 goto out; 2625 } 2626 2627 err = test_aead_vs_generic_impl(ctx); 2628 if (err) 2629 goto out; 2630 2631 err = test_aead_inauthentic_inputs(ctx); 2632 out: 2633 kfree(ctx->vec.key); 2634 kfree(ctx->vec.iv); 2635 kfree(ctx->vec.assoc); 2636 kfree(ctx->vec.ptext); 2637 kfree(ctx->vec.ctext); 2638 kfree(ctx); 2639 return err; 2640 } 2641 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 2642 static int test_aead_extra(const struct alg_test_desc *test_desc, 2643 struct aead_request *req, 2644 struct cipher_test_sglists *tsgls) 2645 { 2646 return 0; 2647 } 2648 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 2649 2650 static int test_aead(int enc, const struct aead_test_suite *suite, 2651 struct aead_request *req, 2652 struct cipher_test_sglists *tsgls) 2653 { 2654 unsigned int i; 2655 int err; 2656 2657 for (i = 0; i < suite->count; i++) { 2658 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls); 2659 if (err) 2660 return err; 2661 cond_resched(); 2662 } 2663 return 0; 2664 } 2665 2666 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, 2667 u32 type, u32 mask) 2668 { 2669 const struct aead_test_suite *suite = &desc->suite.aead; 2670 struct crypto_aead *tfm; 2671 struct aead_request *req = NULL; 2672 struct cipher_test_sglists *tsgls = NULL; 2673 int err; 2674 2675 if (suite->count <= 0) { 2676 pr_err("alg: aead: empty test suite for %s\n", driver); 2677 return -EINVAL; 2678 } 2679 2680 tfm = crypto_alloc_aead(driver, type, mask); 2681 if (IS_ERR(tfm)) { 2682 pr_err("alg: aead: failed to allocate transform for %s: %ld\n", 2683 driver, PTR_ERR(tfm)); 2684 return PTR_ERR(tfm); 2685 } 2686 driver = crypto_aead_driver_name(tfm); 2687 2688 req = aead_request_alloc(tfm, GFP_KERNEL); 2689 if (!req) { 2690 pr_err("alg: aead: failed to allocate request for %s\n", 2691 driver); 2692 err = -ENOMEM; 2693 goto out; 2694 } 2695 2696 tsgls = alloc_cipher_test_sglists(); 2697 if (!tsgls) { 2698 pr_err("alg: aead: failed to allocate test buffers for %s\n", 2699 driver); 2700 err = -ENOMEM; 2701 goto out; 2702 } 2703 2704 err = test_aead(ENCRYPT, suite, req, tsgls); 2705 if (err) 2706 goto out; 2707 2708 err = test_aead(DECRYPT, suite, req, tsgls); 2709 if (err) 2710 goto out; 2711 2712 err = test_aead_extra(desc, req, tsgls); 2713 out: 2714 free_cipher_test_sglists(tsgls); 2715 aead_request_free(req); 2716 crypto_free_aead(tfm); 2717 return err; 2718 } 2719 2720 static int test_cipher(struct crypto_cipher *tfm, int enc, 2721 const struct cipher_testvec *template, 2722 unsigned int tcount) 2723 { 2724 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm)); 2725 unsigned int i, j, k; 2726 char *q; 2727 const char *e; 2728 const char *input, *result; 2729 void *data; 2730 char *xbuf[XBUFSIZE]; 2731 int ret = -ENOMEM; 2732 2733 if (testmgr_alloc_buf(xbuf)) 2734 goto out_nobuf; 2735 2736 if (enc == ENCRYPT) 2737 e = "encryption"; 2738 else 2739 e = "decryption"; 2740 2741 j = 0; 2742 for (i = 0; i < tcount; i++) { 2743 2744 if (fips_enabled && template[i].fips_skip) 2745 continue; 2746 2747 input = enc ? template[i].ptext : template[i].ctext; 2748 result = enc ? template[i].ctext : template[i].ptext; 2749 j++; 2750 2751 ret = -EINVAL; 2752 if (WARN_ON(template[i].len > PAGE_SIZE)) 2753 goto out; 2754 2755 data = xbuf[0]; 2756 memcpy(data, input, template[i].len); 2757 2758 crypto_cipher_clear_flags(tfm, ~0); 2759 if (template[i].wk) 2760 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2761 2762 ret = crypto_cipher_setkey(tfm, template[i].key, 2763 template[i].klen); 2764 if (ret) { 2765 if (ret == template[i].setkey_error) 2766 continue; 2767 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n", 2768 algo, j, template[i].setkey_error, ret, 2769 crypto_cipher_get_flags(tfm)); 2770 goto out; 2771 } 2772 if (template[i].setkey_error) { 2773 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n", 2774 algo, j, template[i].setkey_error); 2775 ret = -EINVAL; 2776 goto out; 2777 } 2778 2779 for (k = 0; k < template[i].len; 2780 k += crypto_cipher_blocksize(tfm)) { 2781 if (enc) 2782 crypto_cipher_encrypt_one(tfm, data + k, 2783 data + k); 2784 else 2785 crypto_cipher_decrypt_one(tfm, data + k, 2786 data + k); 2787 } 2788 2789 q = data; 2790 if (memcmp(q, result, template[i].len)) { 2791 printk(KERN_ERR "alg: cipher: Test %d failed " 2792 "on %s for %s\n", j, e, algo); 2793 hexdump(q, template[i].len); 2794 ret = -EINVAL; 2795 goto out; 2796 } 2797 } 2798 2799 ret = 0; 2800 2801 out: 2802 testmgr_free_buf(xbuf); 2803 out_nobuf: 2804 return ret; 2805 } 2806 2807 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec, 2808 const char *vec_name, 2809 const struct testvec_config *cfg, 2810 struct skcipher_request *req, 2811 struct cipher_test_sglists *tsgls) 2812 { 2813 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 2814 const unsigned int alignmask = crypto_skcipher_alignmask(tfm); 2815 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 2816 const char *driver = crypto_skcipher_driver_name(tfm); 2817 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 2818 const char *op = enc ? "encryption" : "decryption"; 2819 DECLARE_CRYPTO_WAIT(wait); 2820 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 2821 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 2822 cfg->iv_offset + 2823 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 2824 struct kvec input; 2825 int err; 2826 2827 /* Set the key */ 2828 if (vec->wk) 2829 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2830 else 2831 crypto_skcipher_clear_flags(tfm, 2832 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 2833 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen, 2834 cfg, alignmask); 2835 if (err) { 2836 if (err == vec->setkey_error) 2837 return 0; 2838 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n", 2839 driver, vec_name, vec->setkey_error, err, 2840 crypto_skcipher_get_flags(tfm)); 2841 return err; 2842 } 2843 if (vec->setkey_error) { 2844 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n", 2845 driver, vec_name, vec->setkey_error); 2846 return -EINVAL; 2847 } 2848 2849 /* The IV must be copied to a buffer, as the algorithm may modify it */ 2850 if (ivsize) { 2851 if (WARN_ON(ivsize > MAX_IVLEN)) 2852 return -EINVAL; 2853 if (vec->generates_iv && !enc) 2854 memcpy(iv, vec->iv_out, ivsize); 2855 else if (vec->iv) 2856 memcpy(iv, vec->iv, ivsize); 2857 else 2858 memset(iv, 0, ivsize); 2859 } else { 2860 if (vec->generates_iv) { 2861 pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n", 2862 driver, vec_name); 2863 return -EINVAL; 2864 } 2865 iv = NULL; 2866 } 2867 2868 /* Build the src/dst scatterlists */ 2869 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 2870 input.iov_len = vec->len; 2871 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 2872 vec->len, vec->len, &input, 1); 2873 if (err) { 2874 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n", 2875 driver, op, vec_name, cfg->name); 2876 return err; 2877 } 2878 2879 /* Do the actual encryption or decryption */ 2880 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm)); 2881 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait); 2882 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 2883 vec->len, iv); 2884 if (cfg->nosimd) 2885 crypto_disable_simd_for_test(); 2886 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req); 2887 if (cfg->nosimd) 2888 crypto_reenable_simd_for_test(); 2889 err = crypto_wait_req(err, &wait); 2890 2891 /* Check that the algorithm didn't overwrite things it shouldn't have */ 2892 if (req->cryptlen != vec->len || 2893 req->iv != iv || 2894 req->src != tsgls->src.sgl_ptr || 2895 req->dst != tsgls->dst.sgl_ptr || 2896 crypto_skcipher_reqtfm(req) != tfm || 2897 req->base.complete != crypto_req_done || 2898 req->base.flags != req_flags || 2899 req->base.data != &wait) { 2900 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n", 2901 driver, op, vec_name, cfg->name); 2902 if (req->cryptlen != vec->len) 2903 pr_err("alg: skcipher: changed 'req->cryptlen'\n"); 2904 if (req->iv != iv) 2905 pr_err("alg: skcipher: changed 'req->iv'\n"); 2906 if (req->src != tsgls->src.sgl_ptr) 2907 pr_err("alg: skcipher: changed 'req->src'\n"); 2908 if (req->dst != tsgls->dst.sgl_ptr) 2909 pr_err("alg: skcipher: changed 'req->dst'\n"); 2910 if (crypto_skcipher_reqtfm(req) != tfm) 2911 pr_err("alg: skcipher: changed 'req->base.tfm'\n"); 2912 if (req->base.complete != crypto_req_done) 2913 pr_err("alg: skcipher: changed 'req->base.complete'\n"); 2914 if (req->base.flags != req_flags) 2915 pr_err("alg: skcipher: changed 'req->base.flags'\n"); 2916 if (req->base.data != &wait) 2917 pr_err("alg: skcipher: changed 'req->base.data'\n"); 2918 return -EINVAL; 2919 } 2920 if (is_test_sglist_corrupted(&tsgls->src)) { 2921 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n", 2922 driver, op, vec_name, cfg->name); 2923 return -EINVAL; 2924 } 2925 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 2926 is_test_sglist_corrupted(&tsgls->dst)) { 2927 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n", 2928 driver, op, vec_name, cfg->name); 2929 return -EINVAL; 2930 } 2931 2932 /* Check for success or failure */ 2933 if (err) { 2934 if (err == vec->crypt_error) 2935 return 0; 2936 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n", 2937 driver, op, vec_name, vec->crypt_error, err, cfg->name); 2938 return err; 2939 } 2940 if (vec->crypt_error) { 2941 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n", 2942 driver, op, vec_name, vec->crypt_error, cfg->name); 2943 return -EINVAL; 2944 } 2945 2946 /* Check for the correct output (ciphertext or plaintext) */ 2947 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 2948 vec->len, 0, true); 2949 if (err == -EOVERFLOW) { 2950 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n", 2951 driver, op, vec_name, cfg->name); 2952 return err; 2953 } 2954 if (err) { 2955 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n", 2956 driver, op, vec_name, cfg->name); 2957 return err; 2958 } 2959 2960 /* If applicable, check that the algorithm generated the correct IV */ 2961 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) { 2962 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n", 2963 driver, op, vec_name, cfg->name); 2964 hexdump(iv, ivsize); 2965 return -EINVAL; 2966 } 2967 2968 return 0; 2969 } 2970 2971 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec, 2972 unsigned int vec_num, 2973 struct skcipher_request *req, 2974 struct cipher_test_sglists *tsgls) 2975 { 2976 char vec_name[16]; 2977 unsigned int i; 2978 int err; 2979 2980 if (fips_enabled && vec->fips_skip) 2981 return 0; 2982 2983 sprintf(vec_name, "%u", vec_num); 2984 2985 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 2986 err = test_skcipher_vec_cfg(enc, vec, vec_name, 2987 &default_cipher_testvec_configs[i], 2988 req, tsgls); 2989 if (err) 2990 return err; 2991 } 2992 2993 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 2994 if (!noextratests) { 2995 struct rnd_state rng; 2996 struct testvec_config cfg; 2997 char cfgname[TESTVEC_CONFIG_NAMELEN]; 2998 2999 init_rnd_state(&rng); 3000 3001 for (i = 0; i < fuzz_iterations; i++) { 3002 generate_random_testvec_config(&rng, &cfg, cfgname, 3003 sizeof(cfgname)); 3004 err = test_skcipher_vec_cfg(enc, vec, vec_name, 3005 &cfg, req, tsgls); 3006 if (err) 3007 return err; 3008 cond_resched(); 3009 } 3010 } 3011 #endif 3012 return 0; 3013 } 3014 3015 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 3016 /* 3017 * Generate a symmetric cipher test vector from the given implementation. 3018 * Assumes the buffers in 'vec' were already allocated. 3019 */ 3020 static void generate_random_cipher_testvec(struct rnd_state *rng, 3021 struct skcipher_request *req, 3022 struct cipher_testvec *vec, 3023 unsigned int maxdatasize, 3024 char *name, size_t max_namelen) 3025 { 3026 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 3027 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 3028 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 3029 struct scatterlist src, dst; 3030 u8 iv[MAX_IVLEN]; 3031 DECLARE_CRYPTO_WAIT(wait); 3032 3033 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */ 3034 vec->klen = maxkeysize; 3035 if (prandom_u32_below(rng, 4) == 0) 3036 vec->klen = prandom_u32_below(rng, maxkeysize + 1); 3037 generate_random_bytes(rng, (u8 *)vec->key, vec->klen); 3038 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen); 3039 3040 /* IV */ 3041 generate_random_bytes(rng, (u8 *)vec->iv, ivsize); 3042 3043 /* Plaintext */ 3044 vec->len = generate_random_length(rng, maxdatasize); 3045 generate_random_bytes(rng, (u8 *)vec->ptext, vec->len); 3046 3047 /* If the key couldn't be set, no need to continue to encrypt. */ 3048 if (vec->setkey_error) 3049 goto done; 3050 3051 /* Ciphertext */ 3052 sg_init_one(&src, vec->ptext, vec->len); 3053 sg_init_one(&dst, vec->ctext, vec->len); 3054 memcpy(iv, vec->iv, ivsize); 3055 skcipher_request_set_callback(req, 0, crypto_req_done, &wait); 3056 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv); 3057 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait); 3058 if (vec->crypt_error != 0) { 3059 /* 3060 * The only acceptable error here is for an invalid length, so 3061 * skcipher decryption should fail with the same error too. 3062 * We'll test for this. But to keep the API usage well-defined, 3063 * explicitly initialize the ciphertext buffer too. 3064 */ 3065 memset((u8 *)vec->ctext, 0, vec->len); 3066 } 3067 done: 3068 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"", 3069 vec->len, vec->klen); 3070 } 3071 3072 /* 3073 * Test the skcipher algorithm represented by @req against the corresponding 3074 * generic implementation, if one is available. 3075 */ 3076 static int test_skcipher_vs_generic_impl(const char *generic_driver, 3077 struct skcipher_request *req, 3078 struct cipher_test_sglists *tsgls) 3079 { 3080 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 3081 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm); 3082 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 3083 const unsigned int blocksize = crypto_skcipher_blocksize(tfm); 3084 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN; 3085 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name; 3086 const char *driver = crypto_skcipher_driver_name(tfm); 3087 struct rnd_state rng; 3088 char _generic_driver[CRYPTO_MAX_ALG_NAME]; 3089 struct crypto_skcipher *generic_tfm = NULL; 3090 struct skcipher_request *generic_req = NULL; 3091 unsigned int i; 3092 struct cipher_testvec vec = { 0 }; 3093 char vec_name[64]; 3094 struct testvec_config *cfg; 3095 char cfgname[TESTVEC_CONFIG_NAMELEN]; 3096 int err; 3097 3098 if (noextratests) 3099 return 0; 3100 3101 /* Keywrap isn't supported here yet as it handles its IV differently. */ 3102 if (strncmp(algname, "kw(", 3) == 0) 3103 return 0; 3104 3105 init_rnd_state(&rng); 3106 3107 if (!generic_driver) { /* Use default naming convention? */ 3108 err = build_generic_driver_name(algname, _generic_driver); 3109 if (err) 3110 return err; 3111 generic_driver = _generic_driver; 3112 } 3113 3114 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ 3115 return 0; 3116 3117 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0); 3118 if (IS_ERR(generic_tfm)) { 3119 err = PTR_ERR(generic_tfm); 3120 if (err == -ENOENT) { 3121 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n", 3122 driver, generic_driver); 3123 return 0; 3124 } 3125 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n", 3126 generic_driver, algname, err); 3127 return err; 3128 } 3129 3130 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 3131 if (!cfg) { 3132 err = -ENOMEM; 3133 goto out; 3134 } 3135 3136 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL); 3137 if (!generic_req) { 3138 err = -ENOMEM; 3139 goto out; 3140 } 3141 3142 /* Check the algorithm properties for consistency. */ 3143 3144 if (crypto_skcipher_min_keysize(tfm) != 3145 crypto_skcipher_min_keysize(generic_tfm)) { 3146 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n", 3147 driver, crypto_skcipher_min_keysize(tfm), 3148 crypto_skcipher_min_keysize(generic_tfm)); 3149 err = -EINVAL; 3150 goto out; 3151 } 3152 3153 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) { 3154 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n", 3155 driver, maxkeysize, 3156 crypto_skcipher_max_keysize(generic_tfm)); 3157 err = -EINVAL; 3158 goto out; 3159 } 3160 3161 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) { 3162 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n", 3163 driver, ivsize, crypto_skcipher_ivsize(generic_tfm)); 3164 err = -EINVAL; 3165 goto out; 3166 } 3167 3168 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) { 3169 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n", 3170 driver, blocksize, 3171 crypto_skcipher_blocksize(generic_tfm)); 3172 err = -EINVAL; 3173 goto out; 3174 } 3175 3176 /* 3177 * Now generate test vectors using the generic implementation, and test 3178 * the other implementation against them. 3179 */ 3180 3181 vec.key = kmalloc(maxkeysize, GFP_KERNEL); 3182 vec.iv = kmalloc(ivsize, GFP_KERNEL); 3183 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL); 3184 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL); 3185 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) { 3186 err = -ENOMEM; 3187 goto out; 3188 } 3189 3190 for (i = 0; i < fuzz_iterations * 8; i++) { 3191 generate_random_cipher_testvec(&rng, generic_req, &vec, 3192 maxdatasize, 3193 vec_name, sizeof(vec_name)); 3194 generate_random_testvec_config(&rng, cfg, cfgname, 3195 sizeof(cfgname)); 3196 3197 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name, 3198 cfg, req, tsgls); 3199 if (err) 3200 goto out; 3201 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name, 3202 cfg, req, tsgls); 3203 if (err) 3204 goto out; 3205 cond_resched(); 3206 } 3207 err = 0; 3208 out: 3209 kfree(cfg); 3210 kfree(vec.key); 3211 kfree(vec.iv); 3212 kfree(vec.ptext); 3213 kfree(vec.ctext); 3214 crypto_free_skcipher(generic_tfm); 3215 skcipher_request_free(generic_req); 3216 return err; 3217 } 3218 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 3219 static int test_skcipher_vs_generic_impl(const char *generic_driver, 3220 struct skcipher_request *req, 3221 struct cipher_test_sglists *tsgls) 3222 { 3223 return 0; 3224 } 3225 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 3226 3227 static int test_skcipher(int enc, const struct cipher_test_suite *suite, 3228 struct skcipher_request *req, 3229 struct cipher_test_sglists *tsgls) 3230 { 3231 unsigned int i; 3232 int err; 3233 3234 for (i = 0; i < suite->count; i++) { 3235 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls); 3236 if (err) 3237 return err; 3238 cond_resched(); 3239 } 3240 return 0; 3241 } 3242 3243 static int alg_test_skcipher(const struct alg_test_desc *desc, 3244 const char *driver, u32 type, u32 mask) 3245 { 3246 const struct cipher_test_suite *suite = &desc->suite.cipher; 3247 struct crypto_skcipher *tfm; 3248 struct skcipher_request *req = NULL; 3249 struct cipher_test_sglists *tsgls = NULL; 3250 int err; 3251 3252 if (suite->count <= 0) { 3253 pr_err("alg: skcipher: empty test suite for %s\n", driver); 3254 return -EINVAL; 3255 } 3256 3257 tfm = crypto_alloc_skcipher(driver, type, mask); 3258 if (IS_ERR(tfm)) { 3259 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n", 3260 driver, PTR_ERR(tfm)); 3261 return PTR_ERR(tfm); 3262 } 3263 driver = crypto_skcipher_driver_name(tfm); 3264 3265 req = skcipher_request_alloc(tfm, GFP_KERNEL); 3266 if (!req) { 3267 pr_err("alg: skcipher: failed to allocate request for %s\n", 3268 driver); 3269 err = -ENOMEM; 3270 goto out; 3271 } 3272 3273 tsgls = alloc_cipher_test_sglists(); 3274 if (!tsgls) { 3275 pr_err("alg: skcipher: failed to allocate test buffers for %s\n", 3276 driver); 3277 err = -ENOMEM; 3278 goto out; 3279 } 3280 3281 err = test_skcipher(ENCRYPT, suite, req, tsgls); 3282 if (err) 3283 goto out; 3284 3285 err = test_skcipher(DECRYPT, suite, req, tsgls); 3286 if (err) 3287 goto out; 3288 3289 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls); 3290 out: 3291 free_cipher_test_sglists(tsgls); 3292 skcipher_request_free(req); 3293 crypto_free_skcipher(tfm); 3294 return err; 3295 } 3296 3297 static int test_comp(struct crypto_comp *tfm, 3298 const struct comp_testvec *ctemplate, 3299 const struct comp_testvec *dtemplate, 3300 int ctcount, int dtcount) 3301 { 3302 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm)); 3303 char *output, *decomp_output; 3304 unsigned int i; 3305 int ret; 3306 3307 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3308 if (!output) 3309 return -ENOMEM; 3310 3311 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3312 if (!decomp_output) { 3313 kfree(output); 3314 return -ENOMEM; 3315 } 3316 3317 for (i = 0; i < ctcount; i++) { 3318 int ilen; 3319 unsigned int dlen = COMP_BUF_SIZE; 3320 3321 memset(output, 0, COMP_BUF_SIZE); 3322 memset(decomp_output, 0, COMP_BUF_SIZE); 3323 3324 ilen = ctemplate[i].inlen; 3325 ret = crypto_comp_compress(tfm, ctemplate[i].input, 3326 ilen, output, &dlen); 3327 if (ret) { 3328 printk(KERN_ERR "alg: comp: compression failed " 3329 "on test %d for %s: ret=%d\n", i + 1, algo, 3330 -ret); 3331 goto out; 3332 } 3333 3334 ilen = dlen; 3335 dlen = COMP_BUF_SIZE; 3336 ret = crypto_comp_decompress(tfm, output, 3337 ilen, decomp_output, &dlen); 3338 if (ret) { 3339 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n", 3340 i + 1, algo, -ret); 3341 goto out; 3342 } 3343 3344 if (dlen != ctemplate[i].inlen) { 3345 printk(KERN_ERR "alg: comp: Compression test %d " 3346 "failed for %s: output len = %d\n", i + 1, algo, 3347 dlen); 3348 ret = -EINVAL; 3349 goto out; 3350 } 3351 3352 if (memcmp(decomp_output, ctemplate[i].input, 3353 ctemplate[i].inlen)) { 3354 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n", 3355 i + 1, algo); 3356 hexdump(decomp_output, dlen); 3357 ret = -EINVAL; 3358 goto out; 3359 } 3360 } 3361 3362 for (i = 0; i < dtcount; i++) { 3363 int ilen; 3364 unsigned int dlen = COMP_BUF_SIZE; 3365 3366 memset(decomp_output, 0, COMP_BUF_SIZE); 3367 3368 ilen = dtemplate[i].inlen; 3369 ret = crypto_comp_decompress(tfm, dtemplate[i].input, 3370 ilen, decomp_output, &dlen); 3371 if (ret) { 3372 printk(KERN_ERR "alg: comp: decompression failed " 3373 "on test %d for %s: ret=%d\n", i + 1, algo, 3374 -ret); 3375 goto out; 3376 } 3377 3378 if (dlen != dtemplate[i].outlen) { 3379 printk(KERN_ERR "alg: comp: Decompression test %d " 3380 "failed for %s: output len = %d\n", i + 1, algo, 3381 dlen); 3382 ret = -EINVAL; 3383 goto out; 3384 } 3385 3386 if (memcmp(decomp_output, dtemplate[i].output, dlen)) { 3387 printk(KERN_ERR "alg: comp: Decompression test %d " 3388 "failed for %s\n", i + 1, algo); 3389 hexdump(decomp_output, dlen); 3390 ret = -EINVAL; 3391 goto out; 3392 } 3393 } 3394 3395 ret = 0; 3396 3397 out: 3398 kfree(decomp_output); 3399 kfree(output); 3400 return ret; 3401 } 3402 3403 static int test_acomp(struct crypto_acomp *tfm, 3404 const struct comp_testvec *ctemplate, 3405 const struct comp_testvec *dtemplate, 3406 int ctcount, int dtcount) 3407 { 3408 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm)); 3409 unsigned int i; 3410 char *output, *decomp_out; 3411 int ret; 3412 struct scatterlist src, dst; 3413 struct acomp_req *req; 3414 struct crypto_wait wait; 3415 3416 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3417 if (!output) 3418 return -ENOMEM; 3419 3420 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 3421 if (!decomp_out) { 3422 kfree(output); 3423 return -ENOMEM; 3424 } 3425 3426 for (i = 0; i < ctcount; i++) { 3427 unsigned int dlen = COMP_BUF_SIZE; 3428 int ilen = ctemplate[i].inlen; 3429 void *input_vec; 3430 3431 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL); 3432 if (!input_vec) { 3433 ret = -ENOMEM; 3434 goto out; 3435 } 3436 3437 memset(output, 0, dlen); 3438 crypto_init_wait(&wait); 3439 sg_init_one(&src, input_vec, ilen); 3440 sg_init_one(&dst, output, dlen); 3441 3442 req = acomp_request_alloc(tfm); 3443 if (!req) { 3444 pr_err("alg: acomp: request alloc failed for %s\n", 3445 algo); 3446 kfree(input_vec); 3447 ret = -ENOMEM; 3448 goto out; 3449 } 3450 3451 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3452 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3453 crypto_req_done, &wait); 3454 3455 ret = crypto_wait_req(crypto_acomp_compress(req), &wait); 3456 if (ret) { 3457 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3458 i + 1, algo, -ret); 3459 kfree(input_vec); 3460 acomp_request_free(req); 3461 goto out; 3462 } 3463 3464 ilen = req->dlen; 3465 dlen = COMP_BUF_SIZE; 3466 sg_init_one(&src, output, ilen); 3467 sg_init_one(&dst, decomp_out, dlen); 3468 crypto_init_wait(&wait); 3469 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3470 3471 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3472 if (ret) { 3473 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 3474 i + 1, algo, -ret); 3475 kfree(input_vec); 3476 acomp_request_free(req); 3477 goto out; 3478 } 3479 3480 if (req->dlen != ctemplate[i].inlen) { 3481 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n", 3482 i + 1, algo, req->dlen); 3483 ret = -EINVAL; 3484 kfree(input_vec); 3485 acomp_request_free(req); 3486 goto out; 3487 } 3488 3489 if (memcmp(input_vec, decomp_out, req->dlen)) { 3490 pr_err("alg: acomp: Compression test %d failed for %s\n", 3491 i + 1, algo); 3492 hexdump(output, req->dlen); 3493 ret = -EINVAL; 3494 kfree(input_vec); 3495 acomp_request_free(req); 3496 goto out; 3497 } 3498 3499 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 3500 crypto_init_wait(&wait); 3501 sg_init_one(&src, input_vec, ilen); 3502 acomp_request_set_params(req, &src, NULL, ilen, 0); 3503 3504 ret = crypto_wait_req(crypto_acomp_compress(req), &wait); 3505 if (ret) { 3506 pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n", 3507 i + 1, algo, -ret); 3508 kfree(input_vec); 3509 acomp_request_free(req); 3510 goto out; 3511 } 3512 #endif 3513 3514 kfree(input_vec); 3515 acomp_request_free(req); 3516 } 3517 3518 for (i = 0; i < dtcount; i++) { 3519 unsigned int dlen = COMP_BUF_SIZE; 3520 int ilen = dtemplate[i].inlen; 3521 void *input_vec; 3522 3523 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL); 3524 if (!input_vec) { 3525 ret = -ENOMEM; 3526 goto out; 3527 } 3528 3529 memset(output, 0, dlen); 3530 crypto_init_wait(&wait); 3531 sg_init_one(&src, input_vec, ilen); 3532 sg_init_one(&dst, output, dlen); 3533 3534 req = acomp_request_alloc(tfm); 3535 if (!req) { 3536 pr_err("alg: acomp: request alloc failed for %s\n", 3537 algo); 3538 kfree(input_vec); 3539 ret = -ENOMEM; 3540 goto out; 3541 } 3542 3543 acomp_request_set_params(req, &src, &dst, ilen, dlen); 3544 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3545 crypto_req_done, &wait); 3546 3547 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3548 if (ret) { 3549 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n", 3550 i + 1, algo, -ret); 3551 kfree(input_vec); 3552 acomp_request_free(req); 3553 goto out; 3554 } 3555 3556 if (req->dlen != dtemplate[i].outlen) { 3557 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n", 3558 i + 1, algo, req->dlen); 3559 ret = -EINVAL; 3560 kfree(input_vec); 3561 acomp_request_free(req); 3562 goto out; 3563 } 3564 3565 if (memcmp(output, dtemplate[i].output, req->dlen)) { 3566 pr_err("alg: acomp: Decompression test %d failed for %s\n", 3567 i + 1, algo); 3568 hexdump(output, req->dlen); 3569 ret = -EINVAL; 3570 kfree(input_vec); 3571 acomp_request_free(req); 3572 goto out; 3573 } 3574 3575 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 3576 crypto_init_wait(&wait); 3577 acomp_request_set_params(req, &src, NULL, ilen, 0); 3578 3579 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 3580 if (ret) { 3581 pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n", 3582 i + 1, algo, -ret); 3583 kfree(input_vec); 3584 acomp_request_free(req); 3585 goto out; 3586 } 3587 #endif 3588 3589 kfree(input_vec); 3590 acomp_request_free(req); 3591 } 3592 3593 ret = 0; 3594 3595 out: 3596 kfree(decomp_out); 3597 kfree(output); 3598 return ret; 3599 } 3600 3601 static int test_cprng(struct crypto_rng *tfm, 3602 const struct cprng_testvec *template, 3603 unsigned int tcount) 3604 { 3605 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm)); 3606 int err = 0, i, j, seedsize; 3607 u8 *seed; 3608 char result[32]; 3609 3610 seedsize = crypto_rng_seedsize(tfm); 3611 3612 seed = kmalloc(seedsize, GFP_KERNEL); 3613 if (!seed) { 3614 printk(KERN_ERR "alg: cprng: Failed to allocate seed space " 3615 "for %s\n", algo); 3616 return -ENOMEM; 3617 } 3618 3619 for (i = 0; i < tcount; i++) { 3620 memset(result, 0, 32); 3621 3622 memcpy(seed, template[i].v, template[i].vlen); 3623 memcpy(seed + template[i].vlen, template[i].key, 3624 template[i].klen); 3625 memcpy(seed + template[i].vlen + template[i].klen, 3626 template[i].dt, template[i].dtlen); 3627 3628 err = crypto_rng_reset(tfm, seed, seedsize); 3629 if (err) { 3630 printk(KERN_ERR "alg: cprng: Failed to reset rng " 3631 "for %s\n", algo); 3632 goto out; 3633 } 3634 3635 for (j = 0; j < template[i].loops; j++) { 3636 err = crypto_rng_get_bytes(tfm, result, 3637 template[i].rlen); 3638 if (err < 0) { 3639 printk(KERN_ERR "alg: cprng: Failed to obtain " 3640 "the correct amount of random data for " 3641 "%s (requested %d)\n", algo, 3642 template[i].rlen); 3643 goto out; 3644 } 3645 } 3646 3647 err = memcmp(result, template[i].result, 3648 template[i].rlen); 3649 if (err) { 3650 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n", 3651 i, algo); 3652 hexdump(result, template[i].rlen); 3653 err = -EINVAL; 3654 goto out; 3655 } 3656 } 3657 3658 out: 3659 kfree(seed); 3660 return err; 3661 } 3662 3663 static int alg_test_cipher(const struct alg_test_desc *desc, 3664 const char *driver, u32 type, u32 mask) 3665 { 3666 const struct cipher_test_suite *suite = &desc->suite.cipher; 3667 struct crypto_cipher *tfm; 3668 int err; 3669 3670 tfm = crypto_alloc_cipher(driver, type, mask); 3671 if (IS_ERR(tfm)) { 3672 printk(KERN_ERR "alg: cipher: Failed to load transform for " 3673 "%s: %ld\n", driver, PTR_ERR(tfm)); 3674 return PTR_ERR(tfm); 3675 } 3676 3677 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count); 3678 if (!err) 3679 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count); 3680 3681 crypto_free_cipher(tfm); 3682 return err; 3683 } 3684 3685 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, 3686 u32 type, u32 mask) 3687 { 3688 struct crypto_comp *comp; 3689 struct crypto_acomp *acomp; 3690 int err; 3691 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK; 3692 3693 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) { 3694 acomp = crypto_alloc_acomp(driver, type, mask); 3695 if (IS_ERR(acomp)) { 3696 pr_err("alg: acomp: Failed to load transform for %s: %ld\n", 3697 driver, PTR_ERR(acomp)); 3698 return PTR_ERR(acomp); 3699 } 3700 err = test_acomp(acomp, desc->suite.comp.comp.vecs, 3701 desc->suite.comp.decomp.vecs, 3702 desc->suite.comp.comp.count, 3703 desc->suite.comp.decomp.count); 3704 crypto_free_acomp(acomp); 3705 } else { 3706 comp = crypto_alloc_comp(driver, type, mask); 3707 if (IS_ERR(comp)) { 3708 pr_err("alg: comp: Failed to load transform for %s: %ld\n", 3709 driver, PTR_ERR(comp)); 3710 return PTR_ERR(comp); 3711 } 3712 3713 err = test_comp(comp, desc->suite.comp.comp.vecs, 3714 desc->suite.comp.decomp.vecs, 3715 desc->suite.comp.comp.count, 3716 desc->suite.comp.decomp.count); 3717 3718 crypto_free_comp(comp); 3719 } 3720 return err; 3721 } 3722 3723 static int alg_test_crc32c(const struct alg_test_desc *desc, 3724 const char *driver, u32 type, u32 mask) 3725 { 3726 struct crypto_shash *tfm; 3727 __le32 val; 3728 int err; 3729 3730 err = alg_test_hash(desc, driver, type, mask); 3731 if (err) 3732 return err; 3733 3734 tfm = crypto_alloc_shash(driver, type, mask); 3735 if (IS_ERR(tfm)) { 3736 if (PTR_ERR(tfm) == -ENOENT) { 3737 /* 3738 * This crc32c implementation is only available through 3739 * ahash API, not the shash API, so the remaining part 3740 * of the test is not applicable to it. 3741 */ 3742 return 0; 3743 } 3744 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: " 3745 "%ld\n", driver, PTR_ERR(tfm)); 3746 return PTR_ERR(tfm); 3747 } 3748 driver = crypto_shash_driver_name(tfm); 3749 3750 do { 3751 SHASH_DESC_ON_STACK(shash, tfm); 3752 u32 *ctx = (u32 *)shash_desc_ctx(shash); 3753 3754 shash->tfm = tfm; 3755 3756 *ctx = 420553207; 3757 err = crypto_shash_final(shash, (u8 *)&val); 3758 if (err) { 3759 printk(KERN_ERR "alg: crc32c: Operation failed for " 3760 "%s: %d\n", driver, err); 3761 break; 3762 } 3763 3764 if (val != cpu_to_le32(~420553207)) { 3765 pr_err("alg: crc32c: Test failed for %s: %u\n", 3766 driver, le32_to_cpu(val)); 3767 err = -EINVAL; 3768 } 3769 } while (0); 3770 3771 crypto_free_shash(tfm); 3772 3773 return err; 3774 } 3775 3776 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver, 3777 u32 type, u32 mask) 3778 { 3779 struct crypto_rng *rng; 3780 int err; 3781 3782 rng = crypto_alloc_rng(driver, type, mask); 3783 if (IS_ERR(rng)) { 3784 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: " 3785 "%ld\n", driver, PTR_ERR(rng)); 3786 return PTR_ERR(rng); 3787 } 3788 3789 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count); 3790 3791 crypto_free_rng(rng); 3792 3793 return err; 3794 } 3795 3796 3797 static int drbg_cavs_test(const struct drbg_testvec *test, int pr, 3798 const char *driver, u32 type, u32 mask) 3799 { 3800 int ret = -EAGAIN; 3801 struct crypto_rng *drng; 3802 struct drbg_test_data test_data; 3803 struct drbg_string addtl, pers, testentropy; 3804 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL); 3805 3806 if (!buf) 3807 return -ENOMEM; 3808 3809 drng = crypto_alloc_rng(driver, type, mask); 3810 if (IS_ERR(drng)) { 3811 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for " 3812 "%s\n", driver); 3813 kfree_sensitive(buf); 3814 return -ENOMEM; 3815 } 3816 3817 test_data.testentropy = &testentropy; 3818 drbg_string_fill(&testentropy, test->entropy, test->entropylen); 3819 drbg_string_fill(&pers, test->pers, test->perslen); 3820 ret = crypto_drbg_reset_test(drng, &pers, &test_data); 3821 if (ret) { 3822 printk(KERN_ERR "alg: drbg: Failed to reset rng\n"); 3823 goto outbuf; 3824 } 3825 3826 drbg_string_fill(&addtl, test->addtla, test->addtllen); 3827 if (pr) { 3828 drbg_string_fill(&testentropy, test->entpra, test->entprlen); 3829 ret = crypto_drbg_get_bytes_addtl_test(drng, 3830 buf, test->expectedlen, &addtl, &test_data); 3831 } else { 3832 ret = crypto_drbg_get_bytes_addtl(drng, 3833 buf, test->expectedlen, &addtl); 3834 } 3835 if (ret < 0) { 3836 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3837 "driver %s\n", driver); 3838 goto outbuf; 3839 } 3840 3841 drbg_string_fill(&addtl, test->addtlb, test->addtllen); 3842 if (pr) { 3843 drbg_string_fill(&testentropy, test->entprb, test->entprlen); 3844 ret = crypto_drbg_get_bytes_addtl_test(drng, 3845 buf, test->expectedlen, &addtl, &test_data); 3846 } else { 3847 ret = crypto_drbg_get_bytes_addtl(drng, 3848 buf, test->expectedlen, &addtl); 3849 } 3850 if (ret < 0) { 3851 printk(KERN_ERR "alg: drbg: could not obtain random data for " 3852 "driver %s\n", driver); 3853 goto outbuf; 3854 } 3855 3856 ret = memcmp(test->expected, buf, test->expectedlen); 3857 3858 outbuf: 3859 crypto_free_rng(drng); 3860 kfree_sensitive(buf); 3861 return ret; 3862 } 3863 3864 3865 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver, 3866 u32 type, u32 mask) 3867 { 3868 int err = 0; 3869 int pr = 0; 3870 int i = 0; 3871 const struct drbg_testvec *template = desc->suite.drbg.vecs; 3872 unsigned int tcount = desc->suite.drbg.count; 3873 3874 if (0 == memcmp(driver, "drbg_pr_", 8)) 3875 pr = 1; 3876 3877 for (i = 0; i < tcount; i++) { 3878 err = drbg_cavs_test(&template[i], pr, driver, type, mask); 3879 if (err) { 3880 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n", 3881 i, driver); 3882 err = -EINVAL; 3883 break; 3884 } 3885 } 3886 return err; 3887 3888 } 3889 3890 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, 3891 const char *alg) 3892 { 3893 struct kpp_request *req; 3894 void *input_buf = NULL; 3895 void *output_buf = NULL; 3896 void *a_public = NULL; 3897 void *a_ss = NULL; 3898 void *shared_secret = NULL; 3899 struct crypto_wait wait; 3900 unsigned int out_len_max; 3901 int err = -ENOMEM; 3902 struct scatterlist src, dst; 3903 3904 req = kpp_request_alloc(tfm, GFP_KERNEL); 3905 if (!req) 3906 return err; 3907 3908 crypto_init_wait(&wait); 3909 3910 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size); 3911 if (err < 0) 3912 goto free_req; 3913 3914 out_len_max = crypto_kpp_maxsize(tfm); 3915 output_buf = kzalloc(out_len_max, GFP_KERNEL); 3916 if (!output_buf) { 3917 err = -ENOMEM; 3918 goto free_req; 3919 } 3920 3921 /* Use appropriate parameter as base */ 3922 kpp_request_set_input(req, NULL, 0); 3923 sg_init_one(&dst, output_buf, out_len_max); 3924 kpp_request_set_output(req, &dst, out_len_max); 3925 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3926 crypto_req_done, &wait); 3927 3928 /* Compute party A's public key */ 3929 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait); 3930 if (err) { 3931 pr_err("alg: %s: Party A: generate public key test failed. err %d\n", 3932 alg, err); 3933 goto free_output; 3934 } 3935 3936 if (vec->genkey) { 3937 /* Save party A's public key */ 3938 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL); 3939 if (!a_public) { 3940 err = -ENOMEM; 3941 goto free_output; 3942 } 3943 } else { 3944 /* Verify calculated public key */ 3945 if (memcmp(vec->expected_a_public, sg_virt(req->dst), 3946 vec->expected_a_public_size)) { 3947 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n", 3948 alg); 3949 err = -EINVAL; 3950 goto free_output; 3951 } 3952 } 3953 3954 /* Calculate shared secret key by using counter part (b) public key. */ 3955 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL); 3956 if (!input_buf) { 3957 err = -ENOMEM; 3958 goto free_output; 3959 } 3960 3961 sg_init_one(&src, input_buf, vec->b_public_size); 3962 sg_init_one(&dst, output_buf, out_len_max); 3963 kpp_request_set_input(req, &src, vec->b_public_size); 3964 kpp_request_set_output(req, &dst, out_len_max); 3965 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3966 crypto_req_done, &wait); 3967 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait); 3968 if (err) { 3969 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n", 3970 alg, err); 3971 goto free_all; 3972 } 3973 3974 if (vec->genkey) { 3975 /* Save the shared secret obtained by party A */ 3976 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL); 3977 if (!a_ss) { 3978 err = -ENOMEM; 3979 goto free_all; 3980 } 3981 3982 /* 3983 * Calculate party B's shared secret by using party A's 3984 * public key. 3985 */ 3986 err = crypto_kpp_set_secret(tfm, vec->b_secret, 3987 vec->b_secret_size); 3988 if (err < 0) 3989 goto free_all; 3990 3991 sg_init_one(&src, a_public, vec->expected_a_public_size); 3992 sg_init_one(&dst, output_buf, out_len_max); 3993 kpp_request_set_input(req, &src, vec->expected_a_public_size); 3994 kpp_request_set_output(req, &dst, out_len_max); 3995 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 3996 crypto_req_done, &wait); 3997 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), 3998 &wait); 3999 if (err) { 4000 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n", 4001 alg, err); 4002 goto free_all; 4003 } 4004 4005 shared_secret = a_ss; 4006 } else { 4007 shared_secret = (void *)vec->expected_ss; 4008 } 4009 4010 /* 4011 * verify shared secret from which the user will derive 4012 * secret key by executing whatever hash it has chosen 4013 */ 4014 if (memcmp(shared_secret, sg_virt(req->dst), 4015 vec->expected_ss_size)) { 4016 pr_err("alg: %s: compute shared secret test failed. Invalid output\n", 4017 alg); 4018 err = -EINVAL; 4019 } 4020 4021 free_all: 4022 kfree(a_ss); 4023 kfree(input_buf); 4024 free_output: 4025 kfree(a_public); 4026 kfree(output_buf); 4027 free_req: 4028 kpp_request_free(req); 4029 return err; 4030 } 4031 4032 static int test_kpp(struct crypto_kpp *tfm, const char *alg, 4033 const struct kpp_testvec *vecs, unsigned int tcount) 4034 { 4035 int ret, i; 4036 4037 for (i = 0; i < tcount; i++) { 4038 ret = do_test_kpp(tfm, vecs++, alg); 4039 if (ret) { 4040 pr_err("alg: %s: test failed on vector %d, err=%d\n", 4041 alg, i + 1, ret); 4042 return ret; 4043 } 4044 } 4045 return 0; 4046 } 4047 4048 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, 4049 u32 type, u32 mask) 4050 { 4051 struct crypto_kpp *tfm; 4052 int err = 0; 4053 4054 tfm = crypto_alloc_kpp(driver, type, mask); 4055 if (IS_ERR(tfm)) { 4056 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", 4057 driver, PTR_ERR(tfm)); 4058 return PTR_ERR(tfm); 4059 } 4060 if (desc->suite.kpp.vecs) 4061 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs, 4062 desc->suite.kpp.count); 4063 4064 crypto_free_kpp(tfm); 4065 return err; 4066 } 4067 4068 static u8 *test_pack_u32(u8 *dst, u32 val) 4069 { 4070 memcpy(dst, &val, sizeof(val)); 4071 return dst + sizeof(val); 4072 } 4073 4074 static int test_akcipher_one(struct crypto_akcipher *tfm, 4075 const struct akcipher_testvec *vecs) 4076 { 4077 char *xbuf[XBUFSIZE]; 4078 struct akcipher_request *req; 4079 void *outbuf_enc = NULL; 4080 void *outbuf_dec = NULL; 4081 struct crypto_wait wait; 4082 unsigned int out_len_max, out_len = 0; 4083 int err = -ENOMEM; 4084 struct scatterlist src, dst, src_tab[3]; 4085 const char *m, *c; 4086 unsigned int m_size, c_size; 4087 const char *op; 4088 u8 *key, *ptr; 4089 4090 if (testmgr_alloc_buf(xbuf)) 4091 return err; 4092 4093 req = akcipher_request_alloc(tfm, GFP_KERNEL); 4094 if (!req) 4095 goto free_xbuf; 4096 4097 crypto_init_wait(&wait); 4098 4099 key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len, 4100 GFP_KERNEL); 4101 if (!key) 4102 goto free_req; 4103 memcpy(key, vecs->key, vecs->key_len); 4104 ptr = key + vecs->key_len; 4105 ptr = test_pack_u32(ptr, vecs->algo); 4106 ptr = test_pack_u32(ptr, vecs->param_len); 4107 memcpy(ptr, vecs->params, vecs->param_len); 4108 4109 if (vecs->public_key_vec) 4110 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len); 4111 else 4112 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len); 4113 if (err) 4114 goto free_key; 4115 4116 /* 4117 * First run test which do not require a private key, such as 4118 * encrypt or verify. 4119 */ 4120 err = -ENOMEM; 4121 out_len_max = crypto_akcipher_maxsize(tfm); 4122 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); 4123 if (!outbuf_enc) 4124 goto free_key; 4125 4126 if (!vecs->siggen_sigver_test) { 4127 m = vecs->m; 4128 m_size = vecs->m_size; 4129 c = vecs->c; 4130 c_size = vecs->c_size; 4131 op = "encrypt"; 4132 } else { 4133 /* Swap args so we could keep plaintext (digest) 4134 * in vecs->m, and cooked signature in vecs->c. 4135 */ 4136 m = vecs->c; /* signature */ 4137 m_size = vecs->c_size; 4138 c = vecs->m; /* digest */ 4139 c_size = vecs->m_size; 4140 op = "verify"; 4141 } 4142 4143 err = -E2BIG; 4144 if (WARN_ON(m_size > PAGE_SIZE)) 4145 goto free_all; 4146 memcpy(xbuf[0], m, m_size); 4147 4148 sg_init_table(src_tab, 3); 4149 sg_set_buf(&src_tab[0], xbuf[0], 8); 4150 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8); 4151 if (vecs->siggen_sigver_test) { 4152 if (WARN_ON(c_size > PAGE_SIZE)) 4153 goto free_all; 4154 memcpy(xbuf[1], c, c_size); 4155 sg_set_buf(&src_tab[2], xbuf[1], c_size); 4156 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size); 4157 } else { 4158 sg_init_one(&dst, outbuf_enc, out_len_max); 4159 akcipher_request_set_crypt(req, src_tab, &dst, m_size, 4160 out_len_max); 4161 } 4162 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 4163 crypto_req_done, &wait); 4164 4165 err = crypto_wait_req(vecs->siggen_sigver_test ? 4166 /* Run asymmetric signature verification */ 4167 crypto_akcipher_verify(req) : 4168 /* Run asymmetric encrypt */ 4169 crypto_akcipher_encrypt(req), &wait); 4170 if (err) { 4171 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 4172 goto free_all; 4173 } 4174 if (!vecs->siggen_sigver_test && c) { 4175 if (req->dst_len != c_size) { 4176 pr_err("alg: akcipher: %s test failed. Invalid output len\n", 4177 op); 4178 err = -EINVAL; 4179 goto free_all; 4180 } 4181 /* verify that encrypted message is equal to expected */ 4182 if (memcmp(c, outbuf_enc, c_size) != 0) { 4183 pr_err("alg: akcipher: %s test failed. Invalid output\n", 4184 op); 4185 hexdump(outbuf_enc, c_size); 4186 err = -EINVAL; 4187 goto free_all; 4188 } 4189 } 4190 4191 /* 4192 * Don't invoke (decrypt or sign) test which require a private key 4193 * for vectors with only a public key. 4194 */ 4195 if (vecs->public_key_vec) { 4196 err = 0; 4197 goto free_all; 4198 } 4199 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL); 4200 if (!outbuf_dec) { 4201 err = -ENOMEM; 4202 goto free_all; 4203 } 4204 4205 if (!vecs->siggen_sigver_test && !c) { 4206 c = outbuf_enc; 4207 c_size = req->dst_len; 4208 } 4209 4210 err = -E2BIG; 4211 op = vecs->siggen_sigver_test ? "sign" : "decrypt"; 4212 if (WARN_ON(c_size > PAGE_SIZE)) 4213 goto free_all; 4214 memcpy(xbuf[0], c, c_size); 4215 4216 sg_init_one(&src, xbuf[0], c_size); 4217 sg_init_one(&dst, outbuf_dec, out_len_max); 4218 crypto_init_wait(&wait); 4219 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max); 4220 4221 err = crypto_wait_req(vecs->siggen_sigver_test ? 4222 /* Run asymmetric signature generation */ 4223 crypto_akcipher_sign(req) : 4224 /* Run asymmetric decrypt */ 4225 crypto_akcipher_decrypt(req), &wait); 4226 if (err) { 4227 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 4228 goto free_all; 4229 } 4230 out_len = req->dst_len; 4231 if (out_len < m_size) { 4232 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n", 4233 op, out_len); 4234 err = -EINVAL; 4235 goto free_all; 4236 } 4237 /* verify that decrypted message is equal to the original msg */ 4238 if (memchr_inv(outbuf_dec, 0, out_len - m_size) || 4239 memcmp(m, outbuf_dec + out_len - m_size, m_size)) { 4240 pr_err("alg: akcipher: %s test failed. Invalid output\n", op); 4241 hexdump(outbuf_dec, out_len); 4242 err = -EINVAL; 4243 } 4244 free_all: 4245 kfree(outbuf_dec); 4246 kfree(outbuf_enc); 4247 free_key: 4248 kfree(key); 4249 free_req: 4250 akcipher_request_free(req); 4251 free_xbuf: 4252 testmgr_free_buf(xbuf); 4253 return err; 4254 } 4255 4256 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, 4257 const struct akcipher_testvec *vecs, 4258 unsigned int tcount) 4259 { 4260 const char *algo = 4261 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm)); 4262 int ret, i; 4263 4264 for (i = 0; i < tcount; i++) { 4265 ret = test_akcipher_one(tfm, vecs++); 4266 if (!ret) 4267 continue; 4268 4269 pr_err("alg: akcipher: test %d failed for %s, err=%d\n", 4270 i + 1, algo, ret); 4271 return ret; 4272 } 4273 return 0; 4274 } 4275 4276 static int alg_test_akcipher(const struct alg_test_desc *desc, 4277 const char *driver, u32 type, u32 mask) 4278 { 4279 struct crypto_akcipher *tfm; 4280 int err = 0; 4281 4282 tfm = crypto_alloc_akcipher(driver, type, mask); 4283 if (IS_ERR(tfm)) { 4284 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n", 4285 driver, PTR_ERR(tfm)); 4286 return PTR_ERR(tfm); 4287 } 4288 if (desc->suite.akcipher.vecs) 4289 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs, 4290 desc->suite.akcipher.count); 4291 4292 crypto_free_akcipher(tfm); 4293 return err; 4294 } 4295 4296 static int alg_test_null(const struct alg_test_desc *desc, 4297 const char *driver, u32 type, u32 mask) 4298 { 4299 return 0; 4300 } 4301 4302 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv) 4303 #define __VECS(tv) { ____VECS(tv) } 4304 4305 /* Please keep this list sorted by algorithm name. */ 4306 static const struct alg_test_desc alg_test_descs[] = { 4307 { 4308 .alg = "adiantum(xchacha12,aes)", 4309 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)", 4310 .test = alg_test_skcipher, 4311 .suite = { 4312 .cipher = __VECS(adiantum_xchacha12_aes_tv_template) 4313 }, 4314 }, { 4315 .alg = "adiantum(xchacha20,aes)", 4316 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)", 4317 .test = alg_test_skcipher, 4318 .suite = { 4319 .cipher = __VECS(adiantum_xchacha20_aes_tv_template) 4320 }, 4321 }, { 4322 .alg = "aegis128", 4323 .test = alg_test_aead, 4324 .suite = { 4325 .aead = __VECS(aegis128_tv_template) 4326 } 4327 }, { 4328 .alg = "ansi_cprng", 4329 .test = alg_test_cprng, 4330 .suite = { 4331 .cprng = __VECS(ansi_cprng_aes_tv_template) 4332 } 4333 }, { 4334 .alg = "authenc(hmac(md5),ecb(cipher_null))", 4335 .test = alg_test_aead, 4336 .suite = { 4337 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template) 4338 } 4339 }, { 4340 .alg = "authenc(hmac(sha1),cbc(aes))", 4341 .test = alg_test_aead, 4342 .fips_allowed = 1, 4343 .suite = { 4344 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp) 4345 } 4346 }, { 4347 .alg = "authenc(hmac(sha1),cbc(des))", 4348 .test = alg_test_aead, 4349 .suite = { 4350 .aead = __VECS(hmac_sha1_des_cbc_tv_temp) 4351 } 4352 }, { 4353 .alg = "authenc(hmac(sha1),cbc(des3_ede))", 4354 .test = alg_test_aead, 4355 .suite = { 4356 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp) 4357 } 4358 }, { 4359 .alg = "authenc(hmac(sha1),ctr(aes))", 4360 .test = alg_test_null, 4361 .fips_allowed = 1, 4362 }, { 4363 .alg = "authenc(hmac(sha1),ecb(cipher_null))", 4364 .test = alg_test_aead, 4365 .suite = { 4366 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp) 4367 } 4368 }, { 4369 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))", 4370 .test = alg_test_null, 4371 .fips_allowed = 1, 4372 }, { 4373 .alg = "authenc(hmac(sha224),cbc(des))", 4374 .test = alg_test_aead, 4375 .suite = { 4376 .aead = __VECS(hmac_sha224_des_cbc_tv_temp) 4377 } 4378 }, { 4379 .alg = "authenc(hmac(sha224),cbc(des3_ede))", 4380 .test = alg_test_aead, 4381 .suite = { 4382 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp) 4383 } 4384 }, { 4385 .alg = "authenc(hmac(sha256),cbc(aes))", 4386 .test = alg_test_aead, 4387 .fips_allowed = 1, 4388 .suite = { 4389 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp) 4390 } 4391 }, { 4392 .alg = "authenc(hmac(sha256),cbc(des))", 4393 .test = alg_test_aead, 4394 .suite = { 4395 .aead = __VECS(hmac_sha256_des_cbc_tv_temp) 4396 } 4397 }, { 4398 .alg = "authenc(hmac(sha256),cbc(des3_ede))", 4399 .test = alg_test_aead, 4400 .suite = { 4401 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp) 4402 } 4403 }, { 4404 .alg = "authenc(hmac(sha256),ctr(aes))", 4405 .test = alg_test_null, 4406 .fips_allowed = 1, 4407 }, { 4408 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", 4409 .test = alg_test_null, 4410 .fips_allowed = 1, 4411 }, { 4412 .alg = "authenc(hmac(sha384),cbc(des))", 4413 .test = alg_test_aead, 4414 .suite = { 4415 .aead = __VECS(hmac_sha384_des_cbc_tv_temp) 4416 } 4417 }, { 4418 .alg = "authenc(hmac(sha384),cbc(des3_ede))", 4419 .test = alg_test_aead, 4420 .suite = { 4421 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp) 4422 } 4423 }, { 4424 .alg = "authenc(hmac(sha384),ctr(aes))", 4425 .test = alg_test_null, 4426 .fips_allowed = 1, 4427 }, { 4428 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", 4429 .test = alg_test_null, 4430 .fips_allowed = 1, 4431 }, { 4432 .alg = "authenc(hmac(sha512),cbc(aes))", 4433 .fips_allowed = 1, 4434 .test = alg_test_aead, 4435 .suite = { 4436 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp) 4437 } 4438 }, { 4439 .alg = "authenc(hmac(sha512),cbc(des))", 4440 .test = alg_test_aead, 4441 .suite = { 4442 .aead = __VECS(hmac_sha512_des_cbc_tv_temp) 4443 } 4444 }, { 4445 .alg = "authenc(hmac(sha512),cbc(des3_ede))", 4446 .test = alg_test_aead, 4447 .suite = { 4448 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp) 4449 } 4450 }, { 4451 .alg = "authenc(hmac(sha512),ctr(aes))", 4452 .test = alg_test_null, 4453 .fips_allowed = 1, 4454 }, { 4455 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", 4456 .test = alg_test_null, 4457 .fips_allowed = 1, 4458 }, { 4459 .alg = "blake2b-160", 4460 .test = alg_test_hash, 4461 .fips_allowed = 0, 4462 .suite = { 4463 .hash = __VECS(blake2b_160_tv_template) 4464 } 4465 }, { 4466 .alg = "blake2b-256", 4467 .test = alg_test_hash, 4468 .fips_allowed = 0, 4469 .suite = { 4470 .hash = __VECS(blake2b_256_tv_template) 4471 } 4472 }, { 4473 .alg = "blake2b-384", 4474 .test = alg_test_hash, 4475 .fips_allowed = 0, 4476 .suite = { 4477 .hash = __VECS(blake2b_384_tv_template) 4478 } 4479 }, { 4480 .alg = "blake2b-512", 4481 .test = alg_test_hash, 4482 .fips_allowed = 0, 4483 .suite = { 4484 .hash = __VECS(blake2b_512_tv_template) 4485 } 4486 }, { 4487 .alg = "cbc(aes)", 4488 .test = alg_test_skcipher, 4489 .fips_allowed = 1, 4490 .suite = { 4491 .cipher = __VECS(aes_cbc_tv_template) 4492 }, 4493 }, { 4494 .alg = "cbc(anubis)", 4495 .test = alg_test_skcipher, 4496 .suite = { 4497 .cipher = __VECS(anubis_cbc_tv_template) 4498 }, 4499 }, { 4500 .alg = "cbc(aria)", 4501 .test = alg_test_skcipher, 4502 .suite = { 4503 .cipher = __VECS(aria_cbc_tv_template) 4504 }, 4505 }, { 4506 .alg = "cbc(blowfish)", 4507 .test = alg_test_skcipher, 4508 .suite = { 4509 .cipher = __VECS(bf_cbc_tv_template) 4510 }, 4511 }, { 4512 .alg = "cbc(camellia)", 4513 .test = alg_test_skcipher, 4514 .suite = { 4515 .cipher = __VECS(camellia_cbc_tv_template) 4516 }, 4517 }, { 4518 .alg = "cbc(cast5)", 4519 .test = alg_test_skcipher, 4520 .suite = { 4521 .cipher = __VECS(cast5_cbc_tv_template) 4522 }, 4523 }, { 4524 .alg = "cbc(cast6)", 4525 .test = alg_test_skcipher, 4526 .suite = { 4527 .cipher = __VECS(cast6_cbc_tv_template) 4528 }, 4529 }, { 4530 .alg = "cbc(des)", 4531 .test = alg_test_skcipher, 4532 .suite = { 4533 .cipher = __VECS(des_cbc_tv_template) 4534 }, 4535 }, { 4536 .alg = "cbc(des3_ede)", 4537 .test = alg_test_skcipher, 4538 .suite = { 4539 .cipher = __VECS(des3_ede_cbc_tv_template) 4540 }, 4541 }, { 4542 /* Same as cbc(aes) except the key is stored in 4543 * hardware secure memory which we reference by index 4544 */ 4545 .alg = "cbc(paes)", 4546 .test = alg_test_null, 4547 .fips_allowed = 1, 4548 }, { 4549 /* Same as cbc(sm4) except the key is stored in 4550 * hardware secure memory which we reference by index 4551 */ 4552 .alg = "cbc(psm4)", 4553 .test = alg_test_null, 4554 }, { 4555 .alg = "cbc(serpent)", 4556 .test = alg_test_skcipher, 4557 .suite = { 4558 .cipher = __VECS(serpent_cbc_tv_template) 4559 }, 4560 }, { 4561 .alg = "cbc(sm4)", 4562 .test = alg_test_skcipher, 4563 .suite = { 4564 .cipher = __VECS(sm4_cbc_tv_template) 4565 } 4566 }, { 4567 .alg = "cbc(twofish)", 4568 .test = alg_test_skcipher, 4569 .suite = { 4570 .cipher = __VECS(tf_cbc_tv_template) 4571 }, 4572 }, { 4573 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4574 .alg = "cbc-paes-s390", 4575 .fips_allowed = 1, 4576 .test = alg_test_skcipher, 4577 .suite = { 4578 .cipher = __VECS(aes_cbc_tv_template) 4579 } 4580 }, { 4581 #endif 4582 .alg = "cbcmac(aes)", 4583 .test = alg_test_hash, 4584 .suite = { 4585 .hash = __VECS(aes_cbcmac_tv_template) 4586 } 4587 }, { 4588 .alg = "cbcmac(sm4)", 4589 .test = alg_test_hash, 4590 .suite = { 4591 .hash = __VECS(sm4_cbcmac_tv_template) 4592 } 4593 }, { 4594 .alg = "ccm(aes)", 4595 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))", 4596 .test = alg_test_aead, 4597 .fips_allowed = 1, 4598 .suite = { 4599 .aead = { 4600 ____VECS(aes_ccm_tv_template), 4601 .einval_allowed = 1, 4602 } 4603 } 4604 }, { 4605 .alg = "ccm(sm4)", 4606 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))", 4607 .test = alg_test_aead, 4608 .suite = { 4609 .aead = { 4610 ____VECS(sm4_ccm_tv_template), 4611 .einval_allowed = 1, 4612 } 4613 } 4614 }, { 4615 .alg = "cfb(aes)", 4616 .test = alg_test_skcipher, 4617 .fips_allowed = 1, 4618 .suite = { 4619 .cipher = __VECS(aes_cfb_tv_template) 4620 }, 4621 }, { 4622 .alg = "cfb(aria)", 4623 .test = alg_test_skcipher, 4624 .suite = { 4625 .cipher = __VECS(aria_cfb_tv_template) 4626 }, 4627 }, { 4628 .alg = "cfb(sm4)", 4629 .test = alg_test_skcipher, 4630 .suite = { 4631 .cipher = __VECS(sm4_cfb_tv_template) 4632 } 4633 }, { 4634 .alg = "chacha20", 4635 .test = alg_test_skcipher, 4636 .suite = { 4637 .cipher = __VECS(chacha20_tv_template) 4638 }, 4639 }, { 4640 .alg = "cmac(aes)", 4641 .fips_allowed = 1, 4642 .test = alg_test_hash, 4643 .suite = { 4644 .hash = __VECS(aes_cmac128_tv_template) 4645 } 4646 }, { 4647 .alg = "cmac(camellia)", 4648 .test = alg_test_hash, 4649 .suite = { 4650 .hash = __VECS(camellia_cmac128_tv_template) 4651 } 4652 }, { 4653 .alg = "cmac(des3_ede)", 4654 .test = alg_test_hash, 4655 .suite = { 4656 .hash = __VECS(des3_ede_cmac64_tv_template) 4657 } 4658 }, { 4659 .alg = "cmac(sm4)", 4660 .test = alg_test_hash, 4661 .suite = { 4662 .hash = __VECS(sm4_cmac128_tv_template) 4663 } 4664 }, { 4665 .alg = "compress_null", 4666 .test = alg_test_null, 4667 }, { 4668 .alg = "crc32", 4669 .test = alg_test_hash, 4670 .fips_allowed = 1, 4671 .suite = { 4672 .hash = __VECS(crc32_tv_template) 4673 } 4674 }, { 4675 .alg = "crc32c", 4676 .test = alg_test_crc32c, 4677 .fips_allowed = 1, 4678 .suite = { 4679 .hash = __VECS(crc32c_tv_template) 4680 } 4681 }, { 4682 .alg = "crc64-rocksoft", 4683 .test = alg_test_hash, 4684 .fips_allowed = 1, 4685 .suite = { 4686 .hash = __VECS(crc64_rocksoft_tv_template) 4687 } 4688 }, { 4689 .alg = "crct10dif", 4690 .test = alg_test_hash, 4691 .fips_allowed = 1, 4692 .suite = { 4693 .hash = __VECS(crct10dif_tv_template) 4694 } 4695 }, { 4696 .alg = "ctr(aes)", 4697 .test = alg_test_skcipher, 4698 .fips_allowed = 1, 4699 .suite = { 4700 .cipher = __VECS(aes_ctr_tv_template) 4701 } 4702 }, { 4703 .alg = "ctr(aria)", 4704 .test = alg_test_skcipher, 4705 .suite = { 4706 .cipher = __VECS(aria_ctr_tv_template) 4707 } 4708 }, { 4709 .alg = "ctr(blowfish)", 4710 .test = alg_test_skcipher, 4711 .suite = { 4712 .cipher = __VECS(bf_ctr_tv_template) 4713 } 4714 }, { 4715 .alg = "ctr(camellia)", 4716 .test = alg_test_skcipher, 4717 .suite = { 4718 .cipher = __VECS(camellia_ctr_tv_template) 4719 } 4720 }, { 4721 .alg = "ctr(cast5)", 4722 .test = alg_test_skcipher, 4723 .suite = { 4724 .cipher = __VECS(cast5_ctr_tv_template) 4725 } 4726 }, { 4727 .alg = "ctr(cast6)", 4728 .test = alg_test_skcipher, 4729 .suite = { 4730 .cipher = __VECS(cast6_ctr_tv_template) 4731 } 4732 }, { 4733 .alg = "ctr(des)", 4734 .test = alg_test_skcipher, 4735 .suite = { 4736 .cipher = __VECS(des_ctr_tv_template) 4737 } 4738 }, { 4739 .alg = "ctr(des3_ede)", 4740 .test = alg_test_skcipher, 4741 .suite = { 4742 .cipher = __VECS(des3_ede_ctr_tv_template) 4743 } 4744 }, { 4745 /* Same as ctr(aes) except the key is stored in 4746 * hardware secure memory which we reference by index 4747 */ 4748 .alg = "ctr(paes)", 4749 .test = alg_test_null, 4750 .fips_allowed = 1, 4751 }, { 4752 4753 /* Same as ctr(sm4) except the key is stored in 4754 * hardware secure memory which we reference by index 4755 */ 4756 .alg = "ctr(psm4)", 4757 .test = alg_test_null, 4758 }, { 4759 .alg = "ctr(serpent)", 4760 .test = alg_test_skcipher, 4761 .suite = { 4762 .cipher = __VECS(serpent_ctr_tv_template) 4763 } 4764 }, { 4765 .alg = "ctr(sm4)", 4766 .test = alg_test_skcipher, 4767 .suite = { 4768 .cipher = __VECS(sm4_ctr_tv_template) 4769 } 4770 }, { 4771 .alg = "ctr(twofish)", 4772 .test = alg_test_skcipher, 4773 .suite = { 4774 .cipher = __VECS(tf_ctr_tv_template) 4775 } 4776 }, { 4777 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 4778 .alg = "ctr-paes-s390", 4779 .fips_allowed = 1, 4780 .test = alg_test_skcipher, 4781 .suite = { 4782 .cipher = __VECS(aes_ctr_tv_template) 4783 } 4784 }, { 4785 #endif 4786 .alg = "cts(cbc(aes))", 4787 .test = alg_test_skcipher, 4788 .fips_allowed = 1, 4789 .suite = { 4790 .cipher = __VECS(cts_mode_tv_template) 4791 } 4792 }, { 4793 /* Same as cts(cbc((aes)) except the key is stored in 4794 * hardware secure memory which we reference by index 4795 */ 4796 .alg = "cts(cbc(paes))", 4797 .test = alg_test_null, 4798 .fips_allowed = 1, 4799 }, { 4800 .alg = "cts(cbc(sm4))", 4801 .test = alg_test_skcipher, 4802 .suite = { 4803 .cipher = __VECS(sm4_cts_tv_template) 4804 } 4805 }, { 4806 .alg = "curve25519", 4807 .test = alg_test_kpp, 4808 .suite = { 4809 .kpp = __VECS(curve25519_tv_template) 4810 } 4811 }, { 4812 .alg = "deflate", 4813 .test = alg_test_comp, 4814 .fips_allowed = 1, 4815 .suite = { 4816 .comp = { 4817 .comp = __VECS(deflate_comp_tv_template), 4818 .decomp = __VECS(deflate_decomp_tv_template) 4819 } 4820 } 4821 }, { 4822 .alg = "dh", 4823 .test = alg_test_kpp, 4824 .suite = { 4825 .kpp = __VECS(dh_tv_template) 4826 } 4827 }, { 4828 .alg = "digest_null", 4829 .test = alg_test_null, 4830 }, { 4831 .alg = "drbg_nopr_ctr_aes128", 4832 .test = alg_test_drbg, 4833 .fips_allowed = 1, 4834 .suite = { 4835 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template) 4836 } 4837 }, { 4838 .alg = "drbg_nopr_ctr_aes192", 4839 .test = alg_test_drbg, 4840 .fips_allowed = 1, 4841 .suite = { 4842 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template) 4843 } 4844 }, { 4845 .alg = "drbg_nopr_ctr_aes256", 4846 .test = alg_test_drbg, 4847 .fips_allowed = 1, 4848 .suite = { 4849 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template) 4850 } 4851 }, { 4852 /* 4853 * There is no need to specifically test the DRBG with every 4854 * backend cipher -- covered by drbg_nopr_hmac_sha256 test 4855 */ 4856 .alg = "drbg_nopr_hmac_sha1", 4857 .fips_allowed = 1, 4858 .test = alg_test_null, 4859 }, { 4860 .alg = "drbg_nopr_hmac_sha256", 4861 .test = alg_test_drbg, 4862 .fips_allowed = 1, 4863 .suite = { 4864 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template) 4865 } 4866 }, { 4867 /* covered by drbg_nopr_hmac_sha256 test */ 4868 .alg = "drbg_nopr_hmac_sha384", 4869 .test = alg_test_null, 4870 }, { 4871 .alg = "drbg_nopr_hmac_sha512", 4872 .test = alg_test_drbg, 4873 .fips_allowed = 1, 4874 .suite = { 4875 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template) 4876 } 4877 }, { 4878 .alg = "drbg_nopr_sha1", 4879 .fips_allowed = 1, 4880 .test = alg_test_null, 4881 }, { 4882 .alg = "drbg_nopr_sha256", 4883 .test = alg_test_drbg, 4884 .fips_allowed = 1, 4885 .suite = { 4886 .drbg = __VECS(drbg_nopr_sha256_tv_template) 4887 } 4888 }, { 4889 /* covered by drbg_nopr_sha256 test */ 4890 .alg = "drbg_nopr_sha384", 4891 .test = alg_test_null, 4892 }, { 4893 .alg = "drbg_nopr_sha512", 4894 .fips_allowed = 1, 4895 .test = alg_test_null, 4896 }, { 4897 .alg = "drbg_pr_ctr_aes128", 4898 .test = alg_test_drbg, 4899 .fips_allowed = 1, 4900 .suite = { 4901 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template) 4902 } 4903 }, { 4904 /* covered by drbg_pr_ctr_aes128 test */ 4905 .alg = "drbg_pr_ctr_aes192", 4906 .fips_allowed = 1, 4907 .test = alg_test_null, 4908 }, { 4909 .alg = "drbg_pr_ctr_aes256", 4910 .fips_allowed = 1, 4911 .test = alg_test_null, 4912 }, { 4913 .alg = "drbg_pr_hmac_sha1", 4914 .fips_allowed = 1, 4915 .test = alg_test_null, 4916 }, { 4917 .alg = "drbg_pr_hmac_sha256", 4918 .test = alg_test_drbg, 4919 .fips_allowed = 1, 4920 .suite = { 4921 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template) 4922 } 4923 }, { 4924 /* covered by drbg_pr_hmac_sha256 test */ 4925 .alg = "drbg_pr_hmac_sha384", 4926 .test = alg_test_null, 4927 }, { 4928 .alg = "drbg_pr_hmac_sha512", 4929 .test = alg_test_null, 4930 .fips_allowed = 1, 4931 }, { 4932 .alg = "drbg_pr_sha1", 4933 .fips_allowed = 1, 4934 .test = alg_test_null, 4935 }, { 4936 .alg = "drbg_pr_sha256", 4937 .test = alg_test_drbg, 4938 .fips_allowed = 1, 4939 .suite = { 4940 .drbg = __VECS(drbg_pr_sha256_tv_template) 4941 } 4942 }, { 4943 /* covered by drbg_pr_sha256 test */ 4944 .alg = "drbg_pr_sha384", 4945 .test = alg_test_null, 4946 }, { 4947 .alg = "drbg_pr_sha512", 4948 .fips_allowed = 1, 4949 .test = alg_test_null, 4950 }, { 4951 .alg = "ecb(aes)", 4952 .test = alg_test_skcipher, 4953 .fips_allowed = 1, 4954 .suite = { 4955 .cipher = __VECS(aes_tv_template) 4956 } 4957 }, { 4958 .alg = "ecb(anubis)", 4959 .test = alg_test_skcipher, 4960 .suite = { 4961 .cipher = __VECS(anubis_tv_template) 4962 } 4963 }, { 4964 .alg = "ecb(arc4)", 4965 .generic_driver = "arc4-generic", 4966 .test = alg_test_skcipher, 4967 .suite = { 4968 .cipher = __VECS(arc4_tv_template) 4969 } 4970 }, { 4971 .alg = "ecb(aria)", 4972 .test = alg_test_skcipher, 4973 .suite = { 4974 .cipher = __VECS(aria_tv_template) 4975 } 4976 }, { 4977 .alg = "ecb(blowfish)", 4978 .test = alg_test_skcipher, 4979 .suite = { 4980 .cipher = __VECS(bf_tv_template) 4981 } 4982 }, { 4983 .alg = "ecb(camellia)", 4984 .test = alg_test_skcipher, 4985 .suite = { 4986 .cipher = __VECS(camellia_tv_template) 4987 } 4988 }, { 4989 .alg = "ecb(cast5)", 4990 .test = alg_test_skcipher, 4991 .suite = { 4992 .cipher = __VECS(cast5_tv_template) 4993 } 4994 }, { 4995 .alg = "ecb(cast6)", 4996 .test = alg_test_skcipher, 4997 .suite = { 4998 .cipher = __VECS(cast6_tv_template) 4999 } 5000 }, { 5001 .alg = "ecb(cipher_null)", 5002 .test = alg_test_null, 5003 .fips_allowed = 1, 5004 }, { 5005 .alg = "ecb(des)", 5006 .test = alg_test_skcipher, 5007 .suite = { 5008 .cipher = __VECS(des_tv_template) 5009 } 5010 }, { 5011 .alg = "ecb(des3_ede)", 5012 .test = alg_test_skcipher, 5013 .suite = { 5014 .cipher = __VECS(des3_ede_tv_template) 5015 } 5016 }, { 5017 .alg = "ecb(fcrypt)", 5018 .test = alg_test_skcipher, 5019 .suite = { 5020 .cipher = { 5021 .vecs = fcrypt_pcbc_tv_template, 5022 .count = 1 5023 } 5024 } 5025 }, { 5026 .alg = "ecb(khazad)", 5027 .test = alg_test_skcipher, 5028 .suite = { 5029 .cipher = __VECS(khazad_tv_template) 5030 } 5031 }, { 5032 /* Same as ecb(aes) except the key is stored in 5033 * hardware secure memory which we reference by index 5034 */ 5035 .alg = "ecb(paes)", 5036 .test = alg_test_null, 5037 .fips_allowed = 1, 5038 }, { 5039 .alg = "ecb(seed)", 5040 .test = alg_test_skcipher, 5041 .suite = { 5042 .cipher = __VECS(seed_tv_template) 5043 } 5044 }, { 5045 .alg = "ecb(serpent)", 5046 .test = alg_test_skcipher, 5047 .suite = { 5048 .cipher = __VECS(serpent_tv_template) 5049 } 5050 }, { 5051 .alg = "ecb(sm4)", 5052 .test = alg_test_skcipher, 5053 .suite = { 5054 .cipher = __VECS(sm4_tv_template) 5055 } 5056 }, { 5057 .alg = "ecb(tea)", 5058 .test = alg_test_skcipher, 5059 .suite = { 5060 .cipher = __VECS(tea_tv_template) 5061 } 5062 }, { 5063 .alg = "ecb(twofish)", 5064 .test = alg_test_skcipher, 5065 .suite = { 5066 .cipher = __VECS(tf_tv_template) 5067 } 5068 }, { 5069 .alg = "ecb(xeta)", 5070 .test = alg_test_skcipher, 5071 .suite = { 5072 .cipher = __VECS(xeta_tv_template) 5073 } 5074 }, { 5075 .alg = "ecb(xtea)", 5076 .test = alg_test_skcipher, 5077 .suite = { 5078 .cipher = __VECS(xtea_tv_template) 5079 } 5080 }, { 5081 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 5082 .alg = "ecb-paes-s390", 5083 .fips_allowed = 1, 5084 .test = alg_test_skcipher, 5085 .suite = { 5086 .cipher = __VECS(aes_tv_template) 5087 } 5088 }, { 5089 #endif 5090 .alg = "ecdh-nist-p192", 5091 .test = alg_test_kpp, 5092 .suite = { 5093 .kpp = __VECS(ecdh_p192_tv_template) 5094 } 5095 }, { 5096 .alg = "ecdh-nist-p256", 5097 .test = alg_test_kpp, 5098 .fips_allowed = 1, 5099 .suite = { 5100 .kpp = __VECS(ecdh_p256_tv_template) 5101 } 5102 }, { 5103 .alg = "ecdh-nist-p384", 5104 .test = alg_test_kpp, 5105 .fips_allowed = 1, 5106 .suite = { 5107 .kpp = __VECS(ecdh_p384_tv_template) 5108 } 5109 }, { 5110 .alg = "ecdsa-nist-p192", 5111 .test = alg_test_akcipher, 5112 .suite = { 5113 .akcipher = __VECS(ecdsa_nist_p192_tv_template) 5114 } 5115 }, { 5116 .alg = "ecdsa-nist-p256", 5117 .test = alg_test_akcipher, 5118 .fips_allowed = 1, 5119 .suite = { 5120 .akcipher = __VECS(ecdsa_nist_p256_tv_template) 5121 } 5122 }, { 5123 .alg = "ecdsa-nist-p384", 5124 .test = alg_test_akcipher, 5125 .fips_allowed = 1, 5126 .suite = { 5127 .akcipher = __VECS(ecdsa_nist_p384_tv_template) 5128 } 5129 }, { 5130 .alg = "ecrdsa", 5131 .test = alg_test_akcipher, 5132 .suite = { 5133 .akcipher = __VECS(ecrdsa_tv_template) 5134 } 5135 }, { 5136 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)", 5137 .test = alg_test_aead, 5138 .fips_allowed = 1, 5139 .suite = { 5140 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp) 5141 } 5142 }, { 5143 .alg = "essiv(cbc(aes),sha256)", 5144 .test = alg_test_skcipher, 5145 .fips_allowed = 1, 5146 .suite = { 5147 .cipher = __VECS(essiv_aes_cbc_tv_template) 5148 } 5149 }, { 5150 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS) 5151 .alg = "ffdhe2048(dh)", 5152 .test = alg_test_kpp, 5153 .fips_allowed = 1, 5154 .suite = { 5155 .kpp = __VECS(ffdhe2048_dh_tv_template) 5156 } 5157 }, { 5158 .alg = "ffdhe3072(dh)", 5159 .test = alg_test_kpp, 5160 .fips_allowed = 1, 5161 .suite = { 5162 .kpp = __VECS(ffdhe3072_dh_tv_template) 5163 } 5164 }, { 5165 .alg = "ffdhe4096(dh)", 5166 .test = alg_test_kpp, 5167 .fips_allowed = 1, 5168 .suite = { 5169 .kpp = __VECS(ffdhe4096_dh_tv_template) 5170 } 5171 }, { 5172 .alg = "ffdhe6144(dh)", 5173 .test = alg_test_kpp, 5174 .fips_allowed = 1, 5175 .suite = { 5176 .kpp = __VECS(ffdhe6144_dh_tv_template) 5177 } 5178 }, { 5179 .alg = "ffdhe8192(dh)", 5180 .test = alg_test_kpp, 5181 .fips_allowed = 1, 5182 .suite = { 5183 .kpp = __VECS(ffdhe8192_dh_tv_template) 5184 } 5185 }, { 5186 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */ 5187 .alg = "gcm(aes)", 5188 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)", 5189 .test = alg_test_aead, 5190 .fips_allowed = 1, 5191 .suite = { 5192 .aead = __VECS(aes_gcm_tv_template) 5193 } 5194 }, { 5195 .alg = "gcm(aria)", 5196 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)", 5197 .test = alg_test_aead, 5198 .suite = { 5199 .aead = __VECS(aria_gcm_tv_template) 5200 } 5201 }, { 5202 .alg = "gcm(sm4)", 5203 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)", 5204 .test = alg_test_aead, 5205 .suite = { 5206 .aead = __VECS(sm4_gcm_tv_template) 5207 } 5208 }, { 5209 .alg = "ghash", 5210 .test = alg_test_hash, 5211 .suite = { 5212 .hash = __VECS(ghash_tv_template) 5213 } 5214 }, { 5215 .alg = "hctr2(aes)", 5216 .generic_driver = 5217 "hctr2_base(xctr(aes-generic),polyval-generic)", 5218 .test = alg_test_skcipher, 5219 .suite = { 5220 .cipher = __VECS(aes_hctr2_tv_template) 5221 } 5222 }, { 5223 .alg = "hmac(md5)", 5224 .test = alg_test_hash, 5225 .suite = { 5226 .hash = __VECS(hmac_md5_tv_template) 5227 } 5228 }, { 5229 .alg = "hmac(rmd160)", 5230 .test = alg_test_hash, 5231 .suite = { 5232 .hash = __VECS(hmac_rmd160_tv_template) 5233 } 5234 }, { 5235 .alg = "hmac(sha1)", 5236 .test = alg_test_hash, 5237 .fips_allowed = 1, 5238 .suite = { 5239 .hash = __VECS(hmac_sha1_tv_template) 5240 } 5241 }, { 5242 .alg = "hmac(sha224)", 5243 .test = alg_test_hash, 5244 .fips_allowed = 1, 5245 .suite = { 5246 .hash = __VECS(hmac_sha224_tv_template) 5247 } 5248 }, { 5249 .alg = "hmac(sha256)", 5250 .test = alg_test_hash, 5251 .fips_allowed = 1, 5252 .suite = { 5253 .hash = __VECS(hmac_sha256_tv_template) 5254 } 5255 }, { 5256 .alg = "hmac(sha3-224)", 5257 .test = alg_test_hash, 5258 .fips_allowed = 1, 5259 .suite = { 5260 .hash = __VECS(hmac_sha3_224_tv_template) 5261 } 5262 }, { 5263 .alg = "hmac(sha3-256)", 5264 .test = alg_test_hash, 5265 .fips_allowed = 1, 5266 .suite = { 5267 .hash = __VECS(hmac_sha3_256_tv_template) 5268 } 5269 }, { 5270 .alg = "hmac(sha3-384)", 5271 .test = alg_test_hash, 5272 .fips_allowed = 1, 5273 .suite = { 5274 .hash = __VECS(hmac_sha3_384_tv_template) 5275 } 5276 }, { 5277 .alg = "hmac(sha3-512)", 5278 .test = alg_test_hash, 5279 .fips_allowed = 1, 5280 .suite = { 5281 .hash = __VECS(hmac_sha3_512_tv_template) 5282 } 5283 }, { 5284 .alg = "hmac(sha384)", 5285 .test = alg_test_hash, 5286 .fips_allowed = 1, 5287 .suite = { 5288 .hash = __VECS(hmac_sha384_tv_template) 5289 } 5290 }, { 5291 .alg = "hmac(sha512)", 5292 .test = alg_test_hash, 5293 .fips_allowed = 1, 5294 .suite = { 5295 .hash = __VECS(hmac_sha512_tv_template) 5296 } 5297 }, { 5298 .alg = "hmac(sm3)", 5299 .test = alg_test_hash, 5300 .suite = { 5301 .hash = __VECS(hmac_sm3_tv_template) 5302 } 5303 }, { 5304 .alg = "hmac(streebog256)", 5305 .test = alg_test_hash, 5306 .suite = { 5307 .hash = __VECS(hmac_streebog256_tv_template) 5308 } 5309 }, { 5310 .alg = "hmac(streebog512)", 5311 .test = alg_test_hash, 5312 .suite = { 5313 .hash = __VECS(hmac_streebog512_tv_template) 5314 } 5315 }, { 5316 .alg = "jitterentropy_rng", 5317 .fips_allowed = 1, 5318 .test = alg_test_null, 5319 }, { 5320 .alg = "kw(aes)", 5321 .test = alg_test_skcipher, 5322 .fips_allowed = 1, 5323 .suite = { 5324 .cipher = __VECS(aes_kw_tv_template) 5325 } 5326 }, { 5327 .alg = "lrw(aes)", 5328 .generic_driver = "lrw(ecb(aes-generic))", 5329 .test = alg_test_skcipher, 5330 .suite = { 5331 .cipher = __VECS(aes_lrw_tv_template) 5332 } 5333 }, { 5334 .alg = "lrw(camellia)", 5335 .generic_driver = "lrw(ecb(camellia-generic))", 5336 .test = alg_test_skcipher, 5337 .suite = { 5338 .cipher = __VECS(camellia_lrw_tv_template) 5339 } 5340 }, { 5341 .alg = "lrw(cast6)", 5342 .generic_driver = "lrw(ecb(cast6-generic))", 5343 .test = alg_test_skcipher, 5344 .suite = { 5345 .cipher = __VECS(cast6_lrw_tv_template) 5346 } 5347 }, { 5348 .alg = "lrw(serpent)", 5349 .generic_driver = "lrw(ecb(serpent-generic))", 5350 .test = alg_test_skcipher, 5351 .suite = { 5352 .cipher = __VECS(serpent_lrw_tv_template) 5353 } 5354 }, { 5355 .alg = "lrw(twofish)", 5356 .generic_driver = "lrw(ecb(twofish-generic))", 5357 .test = alg_test_skcipher, 5358 .suite = { 5359 .cipher = __VECS(tf_lrw_tv_template) 5360 } 5361 }, { 5362 .alg = "lz4", 5363 .test = alg_test_comp, 5364 .fips_allowed = 1, 5365 .suite = { 5366 .comp = { 5367 .comp = __VECS(lz4_comp_tv_template), 5368 .decomp = __VECS(lz4_decomp_tv_template) 5369 } 5370 } 5371 }, { 5372 .alg = "lz4hc", 5373 .test = alg_test_comp, 5374 .fips_allowed = 1, 5375 .suite = { 5376 .comp = { 5377 .comp = __VECS(lz4hc_comp_tv_template), 5378 .decomp = __VECS(lz4hc_decomp_tv_template) 5379 } 5380 } 5381 }, { 5382 .alg = "lzo", 5383 .test = alg_test_comp, 5384 .fips_allowed = 1, 5385 .suite = { 5386 .comp = { 5387 .comp = __VECS(lzo_comp_tv_template), 5388 .decomp = __VECS(lzo_decomp_tv_template) 5389 } 5390 } 5391 }, { 5392 .alg = "lzo-rle", 5393 .test = alg_test_comp, 5394 .fips_allowed = 1, 5395 .suite = { 5396 .comp = { 5397 .comp = __VECS(lzorle_comp_tv_template), 5398 .decomp = __VECS(lzorle_decomp_tv_template) 5399 } 5400 } 5401 }, { 5402 .alg = "md4", 5403 .test = alg_test_hash, 5404 .suite = { 5405 .hash = __VECS(md4_tv_template) 5406 } 5407 }, { 5408 .alg = "md5", 5409 .test = alg_test_hash, 5410 .suite = { 5411 .hash = __VECS(md5_tv_template) 5412 } 5413 }, { 5414 .alg = "michael_mic", 5415 .test = alg_test_hash, 5416 .suite = { 5417 .hash = __VECS(michael_mic_tv_template) 5418 } 5419 }, { 5420 .alg = "nhpoly1305", 5421 .test = alg_test_hash, 5422 .suite = { 5423 .hash = __VECS(nhpoly1305_tv_template) 5424 } 5425 }, { 5426 .alg = "ofb(aes)", 5427 .test = alg_test_skcipher, 5428 .fips_allowed = 1, 5429 .suite = { 5430 .cipher = __VECS(aes_ofb_tv_template) 5431 } 5432 }, { 5433 /* Same as ofb(aes) except the key is stored in 5434 * hardware secure memory which we reference by index 5435 */ 5436 .alg = "ofb(paes)", 5437 .test = alg_test_null, 5438 .fips_allowed = 1, 5439 }, { 5440 .alg = "ofb(sm4)", 5441 .test = alg_test_skcipher, 5442 .suite = { 5443 .cipher = __VECS(sm4_ofb_tv_template) 5444 } 5445 }, { 5446 .alg = "pcbc(fcrypt)", 5447 .test = alg_test_skcipher, 5448 .suite = { 5449 .cipher = __VECS(fcrypt_pcbc_tv_template) 5450 } 5451 }, { 5452 .alg = "pkcs1pad(rsa,sha224)", 5453 .test = alg_test_null, 5454 .fips_allowed = 1, 5455 }, { 5456 .alg = "pkcs1pad(rsa,sha256)", 5457 .test = alg_test_akcipher, 5458 .fips_allowed = 1, 5459 .suite = { 5460 .akcipher = __VECS(pkcs1pad_rsa_tv_template) 5461 } 5462 }, { 5463 .alg = "pkcs1pad(rsa,sha384)", 5464 .test = alg_test_null, 5465 .fips_allowed = 1, 5466 }, { 5467 .alg = "pkcs1pad(rsa,sha512)", 5468 .test = alg_test_null, 5469 .fips_allowed = 1, 5470 }, { 5471 .alg = "poly1305", 5472 .test = alg_test_hash, 5473 .suite = { 5474 .hash = __VECS(poly1305_tv_template) 5475 } 5476 }, { 5477 .alg = "polyval", 5478 .test = alg_test_hash, 5479 .suite = { 5480 .hash = __VECS(polyval_tv_template) 5481 } 5482 }, { 5483 .alg = "rfc3686(ctr(aes))", 5484 .test = alg_test_skcipher, 5485 .fips_allowed = 1, 5486 .suite = { 5487 .cipher = __VECS(aes_ctr_rfc3686_tv_template) 5488 } 5489 }, { 5490 .alg = "rfc3686(ctr(sm4))", 5491 .test = alg_test_skcipher, 5492 .suite = { 5493 .cipher = __VECS(sm4_ctr_rfc3686_tv_template) 5494 } 5495 }, { 5496 .alg = "rfc4106(gcm(aes))", 5497 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))", 5498 .test = alg_test_aead, 5499 .fips_allowed = 1, 5500 .suite = { 5501 .aead = { 5502 ____VECS(aes_gcm_rfc4106_tv_template), 5503 .einval_allowed = 1, 5504 .aad_iv = 1, 5505 } 5506 } 5507 }, { 5508 .alg = "rfc4309(ccm(aes))", 5509 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))", 5510 .test = alg_test_aead, 5511 .fips_allowed = 1, 5512 .suite = { 5513 .aead = { 5514 ____VECS(aes_ccm_rfc4309_tv_template), 5515 .einval_allowed = 1, 5516 .aad_iv = 1, 5517 } 5518 } 5519 }, { 5520 .alg = "rfc4543(gcm(aes))", 5521 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))", 5522 .test = alg_test_aead, 5523 .suite = { 5524 .aead = { 5525 ____VECS(aes_gcm_rfc4543_tv_template), 5526 .einval_allowed = 1, 5527 .aad_iv = 1, 5528 } 5529 } 5530 }, { 5531 .alg = "rfc7539(chacha20,poly1305)", 5532 .test = alg_test_aead, 5533 .suite = { 5534 .aead = __VECS(rfc7539_tv_template) 5535 } 5536 }, { 5537 .alg = "rfc7539esp(chacha20,poly1305)", 5538 .test = alg_test_aead, 5539 .suite = { 5540 .aead = { 5541 ____VECS(rfc7539esp_tv_template), 5542 .einval_allowed = 1, 5543 .aad_iv = 1, 5544 } 5545 } 5546 }, { 5547 .alg = "rmd160", 5548 .test = alg_test_hash, 5549 .suite = { 5550 .hash = __VECS(rmd160_tv_template) 5551 } 5552 }, { 5553 .alg = "rsa", 5554 .test = alg_test_akcipher, 5555 .fips_allowed = 1, 5556 .suite = { 5557 .akcipher = __VECS(rsa_tv_template) 5558 } 5559 }, { 5560 .alg = "sha1", 5561 .test = alg_test_hash, 5562 .fips_allowed = 1, 5563 .suite = { 5564 .hash = __VECS(sha1_tv_template) 5565 } 5566 }, { 5567 .alg = "sha224", 5568 .test = alg_test_hash, 5569 .fips_allowed = 1, 5570 .suite = { 5571 .hash = __VECS(sha224_tv_template) 5572 } 5573 }, { 5574 .alg = "sha256", 5575 .test = alg_test_hash, 5576 .fips_allowed = 1, 5577 .suite = { 5578 .hash = __VECS(sha256_tv_template) 5579 } 5580 }, { 5581 .alg = "sha3-224", 5582 .test = alg_test_hash, 5583 .fips_allowed = 1, 5584 .suite = { 5585 .hash = __VECS(sha3_224_tv_template) 5586 } 5587 }, { 5588 .alg = "sha3-256", 5589 .test = alg_test_hash, 5590 .fips_allowed = 1, 5591 .suite = { 5592 .hash = __VECS(sha3_256_tv_template) 5593 } 5594 }, { 5595 .alg = "sha3-384", 5596 .test = alg_test_hash, 5597 .fips_allowed = 1, 5598 .suite = { 5599 .hash = __VECS(sha3_384_tv_template) 5600 } 5601 }, { 5602 .alg = "sha3-512", 5603 .test = alg_test_hash, 5604 .fips_allowed = 1, 5605 .suite = { 5606 .hash = __VECS(sha3_512_tv_template) 5607 } 5608 }, { 5609 .alg = "sha384", 5610 .test = alg_test_hash, 5611 .fips_allowed = 1, 5612 .suite = { 5613 .hash = __VECS(sha384_tv_template) 5614 } 5615 }, { 5616 .alg = "sha512", 5617 .test = alg_test_hash, 5618 .fips_allowed = 1, 5619 .suite = { 5620 .hash = __VECS(sha512_tv_template) 5621 } 5622 }, { 5623 .alg = "sm2", 5624 .test = alg_test_akcipher, 5625 .suite = { 5626 .akcipher = __VECS(sm2_tv_template) 5627 } 5628 }, { 5629 .alg = "sm3", 5630 .test = alg_test_hash, 5631 .suite = { 5632 .hash = __VECS(sm3_tv_template) 5633 } 5634 }, { 5635 .alg = "streebog256", 5636 .test = alg_test_hash, 5637 .suite = { 5638 .hash = __VECS(streebog256_tv_template) 5639 } 5640 }, { 5641 .alg = "streebog512", 5642 .test = alg_test_hash, 5643 .suite = { 5644 .hash = __VECS(streebog512_tv_template) 5645 } 5646 }, { 5647 .alg = "vmac64(aes)", 5648 .test = alg_test_hash, 5649 .suite = { 5650 .hash = __VECS(vmac64_aes_tv_template) 5651 } 5652 }, { 5653 .alg = "wp256", 5654 .test = alg_test_hash, 5655 .suite = { 5656 .hash = __VECS(wp256_tv_template) 5657 } 5658 }, { 5659 .alg = "wp384", 5660 .test = alg_test_hash, 5661 .suite = { 5662 .hash = __VECS(wp384_tv_template) 5663 } 5664 }, { 5665 .alg = "wp512", 5666 .test = alg_test_hash, 5667 .suite = { 5668 .hash = __VECS(wp512_tv_template) 5669 } 5670 }, { 5671 .alg = "xcbc(aes)", 5672 .test = alg_test_hash, 5673 .suite = { 5674 .hash = __VECS(aes_xcbc128_tv_template) 5675 } 5676 }, { 5677 .alg = "xcbc(sm4)", 5678 .test = alg_test_hash, 5679 .suite = { 5680 .hash = __VECS(sm4_xcbc128_tv_template) 5681 } 5682 }, { 5683 .alg = "xchacha12", 5684 .test = alg_test_skcipher, 5685 .suite = { 5686 .cipher = __VECS(xchacha12_tv_template) 5687 }, 5688 }, { 5689 .alg = "xchacha20", 5690 .test = alg_test_skcipher, 5691 .suite = { 5692 .cipher = __VECS(xchacha20_tv_template) 5693 }, 5694 }, { 5695 .alg = "xctr(aes)", 5696 .test = alg_test_skcipher, 5697 .suite = { 5698 .cipher = __VECS(aes_xctr_tv_template) 5699 } 5700 }, { 5701 .alg = "xts(aes)", 5702 .generic_driver = "xts(ecb(aes-generic))", 5703 .test = alg_test_skcipher, 5704 .fips_allowed = 1, 5705 .suite = { 5706 .cipher = __VECS(aes_xts_tv_template) 5707 } 5708 }, { 5709 .alg = "xts(camellia)", 5710 .generic_driver = "xts(ecb(camellia-generic))", 5711 .test = alg_test_skcipher, 5712 .suite = { 5713 .cipher = __VECS(camellia_xts_tv_template) 5714 } 5715 }, { 5716 .alg = "xts(cast6)", 5717 .generic_driver = "xts(ecb(cast6-generic))", 5718 .test = alg_test_skcipher, 5719 .suite = { 5720 .cipher = __VECS(cast6_xts_tv_template) 5721 } 5722 }, { 5723 /* Same as xts(aes) except the key is stored in 5724 * hardware secure memory which we reference by index 5725 */ 5726 .alg = "xts(paes)", 5727 .test = alg_test_null, 5728 .fips_allowed = 1, 5729 }, { 5730 .alg = "xts(serpent)", 5731 .generic_driver = "xts(ecb(serpent-generic))", 5732 .test = alg_test_skcipher, 5733 .suite = { 5734 .cipher = __VECS(serpent_xts_tv_template) 5735 } 5736 }, { 5737 .alg = "xts(sm4)", 5738 .generic_driver = "xts(ecb(sm4-generic))", 5739 .test = alg_test_skcipher, 5740 .suite = { 5741 .cipher = __VECS(sm4_xts_tv_template) 5742 } 5743 }, { 5744 .alg = "xts(twofish)", 5745 .generic_driver = "xts(ecb(twofish-generic))", 5746 .test = alg_test_skcipher, 5747 .suite = { 5748 .cipher = __VECS(tf_xts_tv_template) 5749 } 5750 }, { 5751 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) 5752 .alg = "xts-paes-s390", 5753 .fips_allowed = 1, 5754 .test = alg_test_skcipher, 5755 .suite = { 5756 .cipher = __VECS(aes_xts_tv_template) 5757 } 5758 }, { 5759 #endif 5760 .alg = "xts4096(paes)", 5761 .test = alg_test_null, 5762 .fips_allowed = 1, 5763 }, { 5764 .alg = "xts512(paes)", 5765 .test = alg_test_null, 5766 .fips_allowed = 1, 5767 }, { 5768 .alg = "xxhash64", 5769 .test = alg_test_hash, 5770 .fips_allowed = 1, 5771 .suite = { 5772 .hash = __VECS(xxhash64_tv_template) 5773 } 5774 }, { 5775 .alg = "zstd", 5776 .test = alg_test_comp, 5777 .fips_allowed = 1, 5778 .suite = { 5779 .comp = { 5780 .comp = __VECS(zstd_comp_tv_template), 5781 .decomp = __VECS(zstd_decomp_tv_template) 5782 } 5783 } 5784 } 5785 }; 5786 5787 static void alg_check_test_descs_order(void) 5788 { 5789 int i; 5790 5791 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) { 5792 int diff = strcmp(alg_test_descs[i - 1].alg, 5793 alg_test_descs[i].alg); 5794 5795 if (WARN_ON(diff > 0)) { 5796 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n", 5797 alg_test_descs[i - 1].alg, 5798 alg_test_descs[i].alg); 5799 } 5800 5801 if (WARN_ON(diff == 0)) { 5802 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n", 5803 alg_test_descs[i].alg); 5804 } 5805 } 5806 } 5807 5808 static void alg_check_testvec_configs(void) 5809 { 5810 int i; 5811 5812 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) 5813 WARN_ON(!valid_testvec_config( 5814 &default_cipher_testvec_configs[i])); 5815 5816 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) 5817 WARN_ON(!valid_testvec_config( 5818 &default_hash_testvec_configs[i])); 5819 } 5820 5821 static void testmgr_onetime_init(void) 5822 { 5823 alg_check_test_descs_order(); 5824 alg_check_testvec_configs(); 5825 5826 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 5827 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n"); 5828 #endif 5829 } 5830 5831 static int alg_find_test(const char *alg) 5832 { 5833 int start = 0; 5834 int end = ARRAY_SIZE(alg_test_descs); 5835 5836 while (start < end) { 5837 int i = (start + end) / 2; 5838 int diff = strcmp(alg_test_descs[i].alg, alg); 5839 5840 if (diff > 0) { 5841 end = i; 5842 continue; 5843 } 5844 5845 if (diff < 0) { 5846 start = i + 1; 5847 continue; 5848 } 5849 5850 return i; 5851 } 5852 5853 return -1; 5854 } 5855 5856 static int alg_fips_disabled(const char *driver, const char *alg) 5857 { 5858 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver); 5859 5860 return -ECANCELED; 5861 } 5862 5863 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 5864 { 5865 int i; 5866 int j; 5867 int rc; 5868 5869 if (!fips_enabled && notests) { 5870 printk_once(KERN_INFO "alg: self-tests disabled\n"); 5871 return 0; 5872 } 5873 5874 DO_ONCE(testmgr_onetime_init); 5875 5876 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) { 5877 char nalg[CRYPTO_MAX_ALG_NAME]; 5878 5879 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 5880 sizeof(nalg)) 5881 return -ENAMETOOLONG; 5882 5883 i = alg_find_test(nalg); 5884 if (i < 0) 5885 goto notest; 5886 5887 if (fips_enabled && !alg_test_descs[i].fips_allowed) 5888 goto non_fips_alg; 5889 5890 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask); 5891 goto test_done; 5892 } 5893 5894 i = alg_find_test(alg); 5895 j = alg_find_test(driver); 5896 if (i < 0 && j < 0) 5897 goto notest; 5898 5899 if (fips_enabled) { 5900 if (j >= 0 && !alg_test_descs[j].fips_allowed) 5901 return -EINVAL; 5902 5903 if (i >= 0 && !alg_test_descs[i].fips_allowed) 5904 goto non_fips_alg; 5905 } 5906 5907 rc = 0; 5908 if (i >= 0) 5909 rc |= alg_test_descs[i].test(alg_test_descs + i, driver, 5910 type, mask); 5911 if (j >= 0 && j != i) 5912 rc |= alg_test_descs[j].test(alg_test_descs + j, driver, 5913 type, mask); 5914 5915 test_done: 5916 if (rc) { 5917 if (fips_enabled || panic_on_fail) { 5918 fips_fail_notify(); 5919 panic("alg: self-tests for %s (%s) failed in %s mode!\n", 5920 driver, alg, 5921 fips_enabled ? "fips" : "panic_on_fail"); 5922 } 5923 pr_warn("alg: self-tests for %s using %s failed (rc=%d)", 5924 alg, driver, rc); 5925 WARN(rc != -ENOENT, 5926 "alg: self-tests for %s using %s failed (rc=%d)", 5927 alg, driver, rc); 5928 } else { 5929 if (fips_enabled) 5930 pr_info("alg: self-tests for %s (%s) passed\n", 5931 driver, alg); 5932 } 5933 5934 return rc; 5935 5936 notest: 5937 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) { 5938 char nalg[CRYPTO_MAX_ALG_NAME]; 5939 5940 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 5941 sizeof(nalg)) 5942 goto notest2; 5943 5944 i = alg_find_test(nalg); 5945 if (i < 0) 5946 goto notest2; 5947 5948 if (fips_enabled && !alg_test_descs[i].fips_allowed) 5949 goto non_fips_alg; 5950 5951 rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask); 5952 goto test_done; 5953 } 5954 5955 notest2: 5956 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver); 5957 5958 if (type & CRYPTO_ALG_FIPS_INTERNAL) 5959 return alg_fips_disabled(driver, alg); 5960 5961 return 0; 5962 non_fips_alg: 5963 return alg_fips_disabled(driver, alg); 5964 } 5965 5966 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ 5967 5968 EXPORT_SYMBOL_GPL(alg_test); 5969