1 /* 2 * Algorithm testing framework and tests. 3 * 4 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 5 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org> 6 * Copyright (c) 2007 Nokia Siemens Networks 7 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> 8 * Copyright (c) 2019 Google LLC 9 * 10 * Updated RFC4106 AES-GCM testing. 11 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com) 12 * Adrian Hoban <adrian.hoban@intel.com> 13 * Gabriele Paoloni <gabriele.paoloni@intel.com> 14 * Tadeusz Struk (tadeusz.struk@intel.com) 15 * Copyright (c) 2010, Intel Corporation. 16 * 17 * This program is free software; you can redistribute it and/or modify it 18 * under the terms of the GNU General Public License as published by the Free 19 * Software Foundation; either version 2 of the License, or (at your option) 20 * any later version. 21 * 22 */ 23 24 #include <crypto/aead.h> 25 #include <crypto/hash.h> 26 #include <crypto/skcipher.h> 27 #include <linux/err.h> 28 #include <linux/fips.h> 29 #include <linux/module.h> 30 #include <linux/once.h> 31 #include <linux/random.h> 32 #include <linux/scatterlist.h> 33 #include <linux/slab.h> 34 #include <linux/string.h> 35 #include <crypto/rng.h> 36 #include <crypto/drbg.h> 37 #include <crypto/akcipher.h> 38 #include <crypto/kpp.h> 39 #include <crypto/acompress.h> 40 41 #include "internal.h" 42 43 static bool notests; 44 module_param(notests, bool, 0644); 45 MODULE_PARM_DESC(notests, "disable crypto self-tests"); 46 47 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 48 static bool noextratests; 49 module_param(noextratests, bool, 0644); 50 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests"); 51 52 static unsigned int fuzz_iterations = 100; 53 module_param(fuzz_iterations, uint, 0644); 54 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations"); 55 #endif 56 57 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS 58 59 /* a perfect nop */ 60 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 61 { 62 return 0; 63 } 64 65 #else 66 67 #include "testmgr.h" 68 69 /* 70 * Need slab memory for testing (size in number of pages). 71 */ 72 #define XBUFSIZE 8 73 74 /* 75 * Used by test_cipher() 76 */ 77 #define ENCRYPT 1 78 #define DECRYPT 0 79 80 struct aead_test_suite { 81 const struct aead_testvec *vecs; 82 unsigned int count; 83 }; 84 85 struct cipher_test_suite { 86 const struct cipher_testvec *vecs; 87 unsigned int count; 88 }; 89 90 struct comp_test_suite { 91 struct { 92 const struct comp_testvec *vecs; 93 unsigned int count; 94 } comp, decomp; 95 }; 96 97 struct hash_test_suite { 98 const struct hash_testvec *vecs; 99 unsigned int count; 100 }; 101 102 struct cprng_test_suite { 103 const struct cprng_testvec *vecs; 104 unsigned int count; 105 }; 106 107 struct drbg_test_suite { 108 const struct drbg_testvec *vecs; 109 unsigned int count; 110 }; 111 112 struct akcipher_test_suite { 113 const struct akcipher_testvec *vecs; 114 unsigned int count; 115 }; 116 117 struct kpp_test_suite { 118 const struct kpp_testvec *vecs; 119 unsigned int count; 120 }; 121 122 struct alg_test_desc { 123 const char *alg; 124 int (*test)(const struct alg_test_desc *desc, const char *driver, 125 u32 type, u32 mask); 126 int fips_allowed; /* set if alg is allowed in fips mode */ 127 128 union { 129 struct aead_test_suite aead; 130 struct cipher_test_suite cipher; 131 struct comp_test_suite comp; 132 struct hash_test_suite hash; 133 struct cprng_test_suite cprng; 134 struct drbg_test_suite drbg; 135 struct akcipher_test_suite akcipher; 136 struct kpp_test_suite kpp; 137 } suite; 138 }; 139 140 static void hexdump(unsigned char *buf, unsigned int len) 141 { 142 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET, 143 16, 1, 144 buf, len, false); 145 } 146 147 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order) 148 { 149 int i; 150 151 for (i = 0; i < XBUFSIZE; i++) { 152 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order); 153 if (!buf[i]) 154 goto err_free_buf; 155 } 156 157 return 0; 158 159 err_free_buf: 160 while (i-- > 0) 161 free_pages((unsigned long)buf[i], order); 162 163 return -ENOMEM; 164 } 165 166 static int testmgr_alloc_buf(char *buf[XBUFSIZE]) 167 { 168 return __testmgr_alloc_buf(buf, 0); 169 } 170 171 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order) 172 { 173 int i; 174 175 for (i = 0; i < XBUFSIZE; i++) 176 free_pages((unsigned long)buf[i], order); 177 } 178 179 static void testmgr_free_buf(char *buf[XBUFSIZE]) 180 { 181 __testmgr_free_buf(buf, 0); 182 } 183 184 #define TESTMGR_POISON_BYTE 0xfe 185 #define TESTMGR_POISON_LEN 16 186 187 static inline void testmgr_poison(void *addr, size_t len) 188 { 189 memset(addr, TESTMGR_POISON_BYTE, len); 190 } 191 192 /* Is the memory region still fully poisoned? */ 193 static inline bool testmgr_is_poison(const void *addr, size_t len) 194 { 195 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL; 196 } 197 198 /* flush type for hash algorithms */ 199 enum flush_type { 200 /* merge with update of previous buffer(s) */ 201 FLUSH_TYPE_NONE = 0, 202 203 /* update with previous buffer(s) before doing this one */ 204 FLUSH_TYPE_FLUSH, 205 206 /* likewise, but also export and re-import the intermediate state */ 207 FLUSH_TYPE_REIMPORT, 208 }; 209 210 /* finalization function for hash algorithms */ 211 enum finalization_type { 212 FINALIZATION_TYPE_FINAL, /* use final() */ 213 FINALIZATION_TYPE_FINUP, /* use finup() */ 214 FINALIZATION_TYPE_DIGEST, /* use digest() */ 215 }; 216 217 #define TEST_SG_TOTAL 10000 218 219 /** 220 * struct test_sg_division - description of a scatterlist entry 221 * 222 * This struct describes one entry of a scatterlist being constructed to check a 223 * crypto test vector. 224 * 225 * @proportion_of_total: length of this chunk relative to the total length, 226 * given as a proportion out of TEST_SG_TOTAL so that it 227 * scales to fit any test vector 228 * @offset: byte offset into a 2-page buffer at which this chunk will start 229 * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the 230 * @offset 231 * @flush_type: for hashes, whether an update() should be done now vs. 232 * continuing to accumulate data 233 */ 234 struct test_sg_division { 235 unsigned int proportion_of_total; 236 unsigned int offset; 237 bool offset_relative_to_alignmask; 238 enum flush_type flush_type; 239 }; 240 241 /** 242 * struct testvec_config - configuration for testing a crypto test vector 243 * 244 * This struct describes the data layout and other parameters with which each 245 * crypto test vector can be tested. 246 * 247 * @name: name of this config, logged for debugging purposes if a test fails 248 * @inplace: operate on the data in-place, if applicable for the algorithm type? 249 * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP 250 * @src_divs: description of how to arrange the source scatterlist 251 * @dst_divs: description of how to arrange the dst scatterlist, if applicable 252 * for the algorithm type. Defaults to @src_divs if unset. 253 * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1], 254 * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary 255 * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to 256 * the @iv_offset 257 * @finalization_type: what finalization function to use for hashes 258 */ 259 struct testvec_config { 260 const char *name; 261 bool inplace; 262 u32 req_flags; 263 struct test_sg_division src_divs[XBUFSIZE]; 264 struct test_sg_division dst_divs[XBUFSIZE]; 265 unsigned int iv_offset; 266 bool iv_offset_relative_to_alignmask; 267 enum finalization_type finalization_type; 268 }; 269 270 #define TESTVEC_CONFIG_NAMELEN 192 271 272 /* 273 * The following are the lists of testvec_configs to test for each algorithm 274 * type when the basic crypto self-tests are enabled, i.e. when 275 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test 276 * coverage, while keeping the test time much shorter than the full fuzz tests 277 * so that the basic tests can be enabled in a wider range of circumstances. 278 */ 279 280 /* Configs for skciphers and aeads */ 281 static const struct testvec_config default_cipher_testvec_configs[] = { 282 { 283 .name = "in-place", 284 .inplace = true, 285 .src_divs = { { .proportion_of_total = 10000 } }, 286 }, { 287 .name = "out-of-place", 288 .src_divs = { { .proportion_of_total = 10000 } }, 289 }, { 290 .name = "unaligned buffer, offset=1", 291 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 292 .iv_offset = 1, 293 }, { 294 .name = "buffer aligned only to alignmask", 295 .src_divs = { 296 { 297 .proportion_of_total = 10000, 298 .offset = 1, 299 .offset_relative_to_alignmask = true, 300 }, 301 }, 302 .iv_offset = 1, 303 .iv_offset_relative_to_alignmask = true, 304 }, { 305 .name = "two even aligned splits", 306 .src_divs = { 307 { .proportion_of_total = 5000 }, 308 { .proportion_of_total = 5000 }, 309 }, 310 }, { 311 .name = "uneven misaligned splits, may sleep", 312 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 313 .src_divs = { 314 { .proportion_of_total = 1900, .offset = 33 }, 315 { .proportion_of_total = 3300, .offset = 7 }, 316 { .proportion_of_total = 4800, .offset = 18 }, 317 }, 318 .iv_offset = 3, 319 }, { 320 .name = "misaligned splits crossing pages, inplace", 321 .inplace = true, 322 .src_divs = { 323 { 324 .proportion_of_total = 7500, 325 .offset = PAGE_SIZE - 32 326 }, { 327 .proportion_of_total = 2500, 328 .offset = PAGE_SIZE - 7 329 }, 330 }, 331 } 332 }; 333 334 static const struct testvec_config default_hash_testvec_configs[] = { 335 { 336 .name = "init+update+final aligned buffer", 337 .src_divs = { { .proportion_of_total = 10000 } }, 338 .finalization_type = FINALIZATION_TYPE_FINAL, 339 }, { 340 .name = "init+finup aligned buffer", 341 .src_divs = { { .proportion_of_total = 10000 } }, 342 .finalization_type = FINALIZATION_TYPE_FINUP, 343 }, { 344 .name = "digest aligned buffer", 345 .src_divs = { { .proportion_of_total = 10000 } }, 346 .finalization_type = FINALIZATION_TYPE_DIGEST, 347 }, { 348 .name = "init+update+final misaligned buffer", 349 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } }, 350 .finalization_type = FINALIZATION_TYPE_FINAL, 351 }, { 352 .name = "digest buffer aligned only to alignmask", 353 .src_divs = { 354 { 355 .proportion_of_total = 10000, 356 .offset = 1, 357 .offset_relative_to_alignmask = true, 358 }, 359 }, 360 .finalization_type = FINALIZATION_TYPE_DIGEST, 361 }, { 362 .name = "init+update+update+final two even splits", 363 .src_divs = { 364 { .proportion_of_total = 5000 }, 365 { 366 .proportion_of_total = 5000, 367 .flush_type = FLUSH_TYPE_FLUSH, 368 }, 369 }, 370 .finalization_type = FINALIZATION_TYPE_FINAL, 371 }, { 372 .name = "digest uneven misaligned splits, may sleep", 373 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP, 374 .src_divs = { 375 { .proportion_of_total = 1900, .offset = 33 }, 376 { .proportion_of_total = 3300, .offset = 7 }, 377 { .proportion_of_total = 4800, .offset = 18 }, 378 }, 379 .finalization_type = FINALIZATION_TYPE_DIGEST, 380 }, { 381 .name = "digest misaligned splits crossing pages", 382 .src_divs = { 383 { 384 .proportion_of_total = 7500, 385 .offset = PAGE_SIZE - 32, 386 }, { 387 .proportion_of_total = 2500, 388 .offset = PAGE_SIZE - 7, 389 }, 390 }, 391 .finalization_type = FINALIZATION_TYPE_DIGEST, 392 }, { 393 .name = "import/export", 394 .src_divs = { 395 { 396 .proportion_of_total = 6500, 397 .flush_type = FLUSH_TYPE_REIMPORT, 398 }, { 399 .proportion_of_total = 3500, 400 .flush_type = FLUSH_TYPE_REIMPORT, 401 }, 402 }, 403 .finalization_type = FINALIZATION_TYPE_FINAL, 404 } 405 }; 406 407 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs) 408 { 409 unsigned int remaining = TEST_SG_TOTAL; 410 unsigned int ndivs = 0; 411 412 do { 413 remaining -= divs[ndivs++].proportion_of_total; 414 } while (remaining); 415 416 return ndivs; 417 } 418 419 static bool valid_sg_divisions(const struct test_sg_division *divs, 420 unsigned int count, bool *any_flushes_ret) 421 { 422 unsigned int total = 0; 423 unsigned int i; 424 425 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) { 426 if (divs[i].proportion_of_total <= 0 || 427 divs[i].proportion_of_total > TEST_SG_TOTAL - total) 428 return false; 429 total += divs[i].proportion_of_total; 430 if (divs[i].flush_type != FLUSH_TYPE_NONE) 431 *any_flushes_ret = true; 432 } 433 return total == TEST_SG_TOTAL && 434 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL; 435 } 436 437 /* 438 * Check whether the given testvec_config is valid. This isn't strictly needed 439 * since every testvec_config should be valid, but check anyway so that people 440 * don't unknowingly add broken configs that don't do what they wanted. 441 */ 442 static bool valid_testvec_config(const struct testvec_config *cfg) 443 { 444 bool any_flushes = false; 445 446 if (cfg->name == NULL) 447 return false; 448 449 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs), 450 &any_flushes)) 451 return false; 452 453 if (cfg->dst_divs[0].proportion_of_total) { 454 if (!valid_sg_divisions(cfg->dst_divs, 455 ARRAY_SIZE(cfg->dst_divs), 456 &any_flushes)) 457 return false; 458 } else { 459 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs))) 460 return false; 461 /* defaults to dst_divs=src_divs */ 462 } 463 464 if (cfg->iv_offset + 465 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) > 466 MAX_ALGAPI_ALIGNMASK + 1) 467 return false; 468 469 if (any_flushes && cfg->finalization_type == FINALIZATION_TYPE_DIGEST) 470 return false; 471 472 return true; 473 } 474 475 struct test_sglist { 476 char *bufs[XBUFSIZE]; 477 struct scatterlist sgl[XBUFSIZE]; 478 struct scatterlist sgl_saved[XBUFSIZE]; 479 struct scatterlist *sgl_ptr; 480 unsigned int nents; 481 }; 482 483 static int init_test_sglist(struct test_sglist *tsgl) 484 { 485 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */); 486 } 487 488 static void destroy_test_sglist(struct test_sglist *tsgl) 489 { 490 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */); 491 } 492 493 /** 494 * build_test_sglist() - build a scatterlist for a crypto test 495 * 496 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page 497 * buffers which the scatterlist @tsgl->sgl[] will be made to point into. 498 * @divs: the layout specification on which the scatterlist will be based 499 * @alignmask: the algorithm's alignmask 500 * @total_len: the total length of the scatterlist to build in bytes 501 * @data: if non-NULL, the buffers will be filled with this data until it ends. 502 * Otherwise the buffers will be poisoned. In both cases, some bytes 503 * past the end of each buffer will be poisoned to help detect overruns. 504 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry 505 * corresponds will be returned here. This will match @divs except 506 * that divisions resolving to a length of 0 are omitted as they are 507 * not included in the scatterlist. 508 * 509 * Return: 0 or a -errno value 510 */ 511 static int build_test_sglist(struct test_sglist *tsgl, 512 const struct test_sg_division *divs, 513 const unsigned int alignmask, 514 const unsigned int total_len, 515 struct iov_iter *data, 516 const struct test_sg_division *out_divs[XBUFSIZE]) 517 { 518 struct { 519 const struct test_sg_division *div; 520 size_t length; 521 } partitions[XBUFSIZE]; 522 const unsigned int ndivs = count_test_sg_divisions(divs); 523 unsigned int len_remaining = total_len; 524 unsigned int i; 525 526 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl)); 527 if (WARN_ON(ndivs > ARRAY_SIZE(partitions))) 528 return -EINVAL; 529 530 /* Calculate the (div, length) pairs */ 531 tsgl->nents = 0; 532 for (i = 0; i < ndivs; i++) { 533 unsigned int len_this_sg = 534 min(len_remaining, 535 (total_len * divs[i].proportion_of_total + 536 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL); 537 538 if (len_this_sg != 0) { 539 partitions[tsgl->nents].div = &divs[i]; 540 partitions[tsgl->nents].length = len_this_sg; 541 tsgl->nents++; 542 len_remaining -= len_this_sg; 543 } 544 } 545 if (tsgl->nents == 0) { 546 partitions[tsgl->nents].div = &divs[0]; 547 partitions[tsgl->nents].length = 0; 548 tsgl->nents++; 549 } 550 partitions[tsgl->nents - 1].length += len_remaining; 551 552 /* Set up the sgl entries and fill the data or poison */ 553 sg_init_table(tsgl->sgl, tsgl->nents); 554 for (i = 0; i < tsgl->nents; i++) { 555 unsigned int offset = partitions[i].div->offset; 556 void *addr; 557 558 if (partitions[i].div->offset_relative_to_alignmask) 559 offset += alignmask; 560 561 while (offset + partitions[i].length + TESTMGR_POISON_LEN > 562 2 * PAGE_SIZE) { 563 if (WARN_ON(offset <= 0)) 564 return -EINVAL; 565 offset /= 2; 566 } 567 568 addr = &tsgl->bufs[i][offset]; 569 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length); 570 571 if (out_divs) 572 out_divs[i] = partitions[i].div; 573 574 if (data) { 575 size_t copy_len, copied; 576 577 copy_len = min(partitions[i].length, data->count); 578 copied = copy_from_iter(addr, copy_len, data); 579 if (WARN_ON(copied != copy_len)) 580 return -EINVAL; 581 testmgr_poison(addr + copy_len, partitions[i].length + 582 TESTMGR_POISON_LEN - copy_len); 583 } else { 584 testmgr_poison(addr, partitions[i].length + 585 TESTMGR_POISON_LEN); 586 } 587 } 588 589 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]); 590 tsgl->sgl_ptr = tsgl->sgl; 591 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0])); 592 return 0; 593 } 594 595 /* 596 * Verify that a scatterlist crypto operation produced the correct output. 597 * 598 * @tsgl: scatterlist containing the actual output 599 * @expected_output: buffer containing the expected output 600 * @len_to_check: length of @expected_output in bytes 601 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result 602 * @check_poison: verify that the poison bytes after each chunk are intact? 603 * 604 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun. 605 */ 606 static int verify_correct_output(const struct test_sglist *tsgl, 607 const char *expected_output, 608 unsigned int len_to_check, 609 unsigned int unchecked_prefix_len, 610 bool check_poison) 611 { 612 unsigned int i; 613 614 for (i = 0; i < tsgl->nents; i++) { 615 struct scatterlist *sg = &tsgl->sgl_ptr[i]; 616 unsigned int len = sg->length; 617 unsigned int offset = sg->offset; 618 const char *actual_output; 619 620 if (unchecked_prefix_len) { 621 if (unchecked_prefix_len >= len) { 622 unchecked_prefix_len -= len; 623 continue; 624 } 625 offset += unchecked_prefix_len; 626 len -= unchecked_prefix_len; 627 unchecked_prefix_len = 0; 628 } 629 len = min(len, len_to_check); 630 actual_output = page_address(sg_page(sg)) + offset; 631 if (memcmp(expected_output, actual_output, len) != 0) 632 return -EINVAL; 633 if (check_poison && 634 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN)) 635 return -EOVERFLOW; 636 len_to_check -= len; 637 expected_output += len; 638 } 639 if (WARN_ON(len_to_check != 0)) 640 return -EINVAL; 641 return 0; 642 } 643 644 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl) 645 { 646 unsigned int i; 647 648 for (i = 0; i < tsgl->nents; i++) { 649 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link) 650 return true; 651 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset) 652 return true; 653 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length) 654 return true; 655 } 656 return false; 657 } 658 659 struct cipher_test_sglists { 660 struct test_sglist src; 661 struct test_sglist dst; 662 }; 663 664 static struct cipher_test_sglists *alloc_cipher_test_sglists(void) 665 { 666 struct cipher_test_sglists *tsgls; 667 668 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL); 669 if (!tsgls) 670 return NULL; 671 672 if (init_test_sglist(&tsgls->src) != 0) 673 goto fail_kfree; 674 if (init_test_sglist(&tsgls->dst) != 0) 675 goto fail_destroy_src; 676 677 return tsgls; 678 679 fail_destroy_src: 680 destroy_test_sglist(&tsgls->src); 681 fail_kfree: 682 kfree(tsgls); 683 return NULL; 684 } 685 686 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls) 687 { 688 if (tsgls) { 689 destroy_test_sglist(&tsgls->src); 690 destroy_test_sglist(&tsgls->dst); 691 kfree(tsgls); 692 } 693 } 694 695 /* Build the src and dst scatterlists for an skcipher or AEAD test */ 696 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls, 697 const struct testvec_config *cfg, 698 unsigned int alignmask, 699 unsigned int src_total_len, 700 unsigned int dst_total_len, 701 const struct kvec *inputs, 702 unsigned int nr_inputs) 703 { 704 struct iov_iter input; 705 int err; 706 707 iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len); 708 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask, 709 cfg->inplace ? 710 max(dst_total_len, src_total_len) : 711 src_total_len, 712 &input, NULL); 713 if (err) 714 return err; 715 716 if (cfg->inplace) { 717 tsgls->dst.sgl_ptr = tsgls->src.sgl; 718 tsgls->dst.nents = tsgls->src.nents; 719 return 0; 720 } 721 return build_test_sglist(&tsgls->dst, 722 cfg->dst_divs[0].proportion_of_total ? 723 cfg->dst_divs : cfg->src_divs, 724 alignmask, dst_total_len, NULL, NULL); 725 } 726 727 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 728 static char *generate_random_sgl_divisions(struct test_sg_division *divs, 729 size_t max_divs, char *p, char *end, 730 bool gen_flushes) 731 { 732 struct test_sg_division *div = divs; 733 unsigned int remaining = TEST_SG_TOTAL; 734 735 do { 736 unsigned int this_len; 737 738 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0) 739 this_len = remaining; 740 else 741 this_len = 1 + (prandom_u32() % remaining); 742 div->proportion_of_total = this_len; 743 744 if (prandom_u32() % 4 == 0) 745 div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128); 746 else if (prandom_u32() % 2 == 0) 747 div->offset = prandom_u32() % 32; 748 else 749 div->offset = prandom_u32() % PAGE_SIZE; 750 if (prandom_u32() % 8 == 0) 751 div->offset_relative_to_alignmask = true; 752 753 div->flush_type = FLUSH_TYPE_NONE; 754 if (gen_flushes) { 755 switch (prandom_u32() % 4) { 756 case 0: 757 div->flush_type = FLUSH_TYPE_REIMPORT; 758 break; 759 case 1: 760 div->flush_type = FLUSH_TYPE_FLUSH; 761 break; 762 } 763 } 764 765 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */ 766 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", 767 div->flush_type == FLUSH_TYPE_NONE ? "" : 768 div->flush_type == FLUSH_TYPE_FLUSH ? 769 "<flush> " : "<reimport> ", 770 this_len / 100, this_len % 100, 771 div->offset_relative_to_alignmask ? 772 "alignmask" : "", 773 div->offset, this_len == remaining ? "" : ", "); 774 remaining -= this_len; 775 div++; 776 } while (remaining); 777 778 return p; 779 } 780 781 /* Generate a random testvec_config for fuzz testing */ 782 static void generate_random_testvec_config(struct testvec_config *cfg, 783 char *name, size_t max_namelen) 784 { 785 char *p = name; 786 char * const end = name + max_namelen; 787 788 memset(cfg, 0, sizeof(*cfg)); 789 790 cfg->name = name; 791 792 p += scnprintf(p, end - p, "random:"); 793 794 if (prandom_u32() % 2 == 0) { 795 cfg->inplace = true; 796 p += scnprintf(p, end - p, " inplace"); 797 } 798 799 if (prandom_u32() % 2 == 0) { 800 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP; 801 p += scnprintf(p, end - p, " may_sleep"); 802 } 803 804 switch (prandom_u32() % 4) { 805 case 0: 806 cfg->finalization_type = FINALIZATION_TYPE_FINAL; 807 p += scnprintf(p, end - p, " use_final"); 808 break; 809 case 1: 810 cfg->finalization_type = FINALIZATION_TYPE_FINUP; 811 p += scnprintf(p, end - p, " use_finup"); 812 break; 813 default: 814 cfg->finalization_type = FINALIZATION_TYPE_DIGEST; 815 p += scnprintf(p, end - p, " use_digest"); 816 break; 817 } 818 819 p += scnprintf(p, end - p, " src_divs=["); 820 p = generate_random_sgl_divisions(cfg->src_divs, 821 ARRAY_SIZE(cfg->src_divs), p, end, 822 (cfg->finalization_type != 823 FINALIZATION_TYPE_DIGEST)); 824 p += scnprintf(p, end - p, "]"); 825 826 if (!cfg->inplace && prandom_u32() % 2 == 0) { 827 p += scnprintf(p, end - p, " dst_divs=["); 828 p = generate_random_sgl_divisions(cfg->dst_divs, 829 ARRAY_SIZE(cfg->dst_divs), 830 p, end, false); 831 p += scnprintf(p, end - p, "]"); 832 } 833 834 if (prandom_u32() % 2 == 0) { 835 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK); 836 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset); 837 } 838 839 WARN_ON_ONCE(!valid_testvec_config(cfg)); 840 } 841 #endif /* CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ 842 843 static int check_nonfinal_hash_op(const char *op, int err, 844 u8 *result, unsigned int digestsize, 845 const char *driver, unsigned int vec_num, 846 const struct testvec_config *cfg) 847 { 848 if (err) { 849 pr_err("alg: hash: %s %s() failed with err %d on test vector %u, cfg=\"%s\"\n", 850 driver, op, err, vec_num, cfg->name); 851 return err; 852 } 853 if (!testmgr_is_poison(result, digestsize)) { 854 pr_err("alg: hash: %s %s() used result buffer on test vector %u, cfg=\"%s\"\n", 855 driver, op, vec_num, cfg->name); 856 return -EINVAL; 857 } 858 return 0; 859 } 860 861 static int test_hash_vec_cfg(const char *driver, 862 const struct hash_testvec *vec, 863 unsigned int vec_num, 864 const struct testvec_config *cfg, 865 struct ahash_request *req, 866 struct test_sglist *tsgl, 867 u8 *hashstate) 868 { 869 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); 870 const unsigned int alignmask = crypto_ahash_alignmask(tfm); 871 const unsigned int digestsize = crypto_ahash_digestsize(tfm); 872 const unsigned int statesize = crypto_ahash_statesize(tfm); 873 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 874 const struct test_sg_division *divs[XBUFSIZE]; 875 DECLARE_CRYPTO_WAIT(wait); 876 struct kvec _input; 877 struct iov_iter input; 878 unsigned int i; 879 struct scatterlist *pending_sgl; 880 unsigned int pending_len; 881 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN]; 882 int err; 883 884 /* Set the key, if specified */ 885 if (vec->ksize) { 886 err = crypto_ahash_setkey(tfm, vec->key, vec->ksize); 887 if (err) { 888 pr_err("alg: hash: %s setkey failed with err %d on test vector %u; flags=%#x\n", 889 driver, err, vec_num, 890 crypto_ahash_get_flags(tfm)); 891 return err; 892 } 893 } 894 895 /* Build the scatterlist for the source data */ 896 _input.iov_base = (void *)vec->plaintext; 897 _input.iov_len = vec->psize; 898 iov_iter_kvec(&input, WRITE, &_input, 1, vec->psize); 899 err = build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize, 900 &input, divs); 901 if (err) { 902 pr_err("alg: hash: %s: error preparing scatterlist for test vector %u, cfg=\"%s\"\n", 903 driver, vec_num, cfg->name); 904 return err; 905 } 906 907 /* Do the actual hashing */ 908 909 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 910 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN); 911 912 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST) { 913 /* Just using digest() */ 914 ahash_request_set_callback(req, req_flags, crypto_req_done, 915 &wait); 916 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize); 917 err = crypto_wait_req(crypto_ahash_digest(req), &wait); 918 if (err) { 919 pr_err("alg: hash: %s digest() failed with err %d on test vector %u, cfg=\"%s\"\n", 920 driver, err, vec_num, cfg->name); 921 return err; 922 } 923 goto result_ready; 924 } 925 926 /* Using init(), zero or more update(), then final() or finup() */ 927 928 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 929 ahash_request_set_crypt(req, NULL, result, 0); 930 err = crypto_wait_req(crypto_ahash_init(req), &wait); 931 err = check_nonfinal_hash_op("init", err, result, digestsize, 932 driver, vec_num, cfg); 933 if (err) 934 return err; 935 936 pending_sgl = NULL; 937 pending_len = 0; 938 for (i = 0; i < tsgl->nents; i++) { 939 if (divs[i]->flush_type != FLUSH_TYPE_NONE && 940 pending_sgl != NULL) { 941 /* update() with the pending data */ 942 ahash_request_set_callback(req, req_flags, 943 crypto_req_done, &wait); 944 ahash_request_set_crypt(req, pending_sgl, result, 945 pending_len); 946 err = crypto_wait_req(crypto_ahash_update(req), &wait); 947 err = check_nonfinal_hash_op("update", err, 948 result, digestsize, 949 driver, vec_num, cfg); 950 if (err) 951 return err; 952 pending_sgl = NULL; 953 pending_len = 0; 954 } 955 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) { 956 /* Test ->export() and ->import() */ 957 testmgr_poison(hashstate + statesize, 958 TESTMGR_POISON_LEN); 959 err = crypto_ahash_export(req, hashstate); 960 err = check_nonfinal_hash_op("export", err, 961 result, digestsize, 962 driver, vec_num, cfg); 963 if (err) 964 return err; 965 if (!testmgr_is_poison(hashstate + statesize, 966 TESTMGR_POISON_LEN)) { 967 pr_err("alg: hash: %s export() overran state buffer on test vector %u, cfg=\"%s\"\n", 968 driver, vec_num, cfg->name); 969 return -EOVERFLOW; 970 } 971 972 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm)); 973 err = crypto_ahash_import(req, hashstate); 974 err = check_nonfinal_hash_op("import", err, 975 result, digestsize, 976 driver, vec_num, cfg); 977 if (err) 978 return err; 979 } 980 if (pending_sgl == NULL) 981 pending_sgl = &tsgl->sgl[i]; 982 pending_len += tsgl->sgl[i].length; 983 } 984 985 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait); 986 ahash_request_set_crypt(req, pending_sgl, result, pending_len); 987 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) { 988 /* finish with update() and final() */ 989 err = crypto_wait_req(crypto_ahash_update(req), &wait); 990 err = check_nonfinal_hash_op("update", err, result, digestsize, 991 driver, vec_num, cfg); 992 if (err) 993 return err; 994 err = crypto_wait_req(crypto_ahash_final(req), &wait); 995 if (err) { 996 pr_err("alg: hash: %s final() failed with err %d on test vector %u, cfg=\"%s\"\n", 997 driver, err, vec_num, cfg->name); 998 return err; 999 } 1000 } else { 1001 /* finish with finup() */ 1002 err = crypto_wait_req(crypto_ahash_finup(req), &wait); 1003 if (err) { 1004 pr_err("alg: hash: %s finup() failed with err %d on test vector %u, cfg=\"%s\"\n", 1005 driver, err, vec_num, cfg->name); 1006 return err; 1007 } 1008 } 1009 1010 result_ready: 1011 /* Check that the algorithm produced the correct digest */ 1012 if (memcmp(result, vec->digest, digestsize) != 0) { 1013 pr_err("alg: hash: %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n", 1014 driver, vec_num, cfg->name); 1015 return -EINVAL; 1016 } 1017 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) { 1018 pr_err("alg: hash: %s overran result buffer on test vector %u, cfg=\"%s\"\n", 1019 driver, vec_num, cfg->name); 1020 return -EOVERFLOW; 1021 } 1022 1023 return 0; 1024 } 1025 1026 static int test_hash_vec(const char *driver, const struct hash_testvec *vec, 1027 unsigned int vec_num, struct ahash_request *req, 1028 struct test_sglist *tsgl, u8 *hashstate) 1029 { 1030 unsigned int i; 1031 int err; 1032 1033 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) { 1034 err = test_hash_vec_cfg(driver, vec, vec_num, 1035 &default_hash_testvec_configs[i], 1036 req, tsgl, hashstate); 1037 if (err) 1038 return err; 1039 } 1040 1041 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1042 if (!noextratests) { 1043 struct testvec_config cfg; 1044 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1045 1046 for (i = 0; i < fuzz_iterations; i++) { 1047 generate_random_testvec_config(&cfg, cfgname, 1048 sizeof(cfgname)); 1049 err = test_hash_vec_cfg(driver, vec, vec_num, &cfg, 1050 req, tsgl, hashstate); 1051 if (err) 1052 return err; 1053 } 1054 } 1055 #endif 1056 return 0; 1057 } 1058 1059 static int __alg_test_hash(const struct hash_testvec *vecs, 1060 unsigned int num_vecs, const char *driver, 1061 u32 type, u32 mask) 1062 { 1063 struct crypto_ahash *tfm; 1064 struct ahash_request *req = NULL; 1065 struct test_sglist *tsgl = NULL; 1066 u8 *hashstate = NULL; 1067 unsigned int i; 1068 int err; 1069 1070 tfm = crypto_alloc_ahash(driver, type, mask); 1071 if (IS_ERR(tfm)) { 1072 pr_err("alg: hash: failed to allocate transform for %s: %ld\n", 1073 driver, PTR_ERR(tfm)); 1074 return PTR_ERR(tfm); 1075 } 1076 1077 req = ahash_request_alloc(tfm, GFP_KERNEL); 1078 if (!req) { 1079 pr_err("alg: hash: failed to allocate request for %s\n", 1080 driver); 1081 err = -ENOMEM; 1082 goto out; 1083 } 1084 1085 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL); 1086 if (!tsgl || init_test_sglist(tsgl) != 0) { 1087 pr_err("alg: hash: failed to allocate test buffers for %s\n", 1088 driver); 1089 kfree(tsgl); 1090 tsgl = NULL; 1091 err = -ENOMEM; 1092 goto out; 1093 } 1094 1095 hashstate = kmalloc(crypto_ahash_statesize(tfm) + TESTMGR_POISON_LEN, 1096 GFP_KERNEL); 1097 if (!hashstate) { 1098 pr_err("alg: hash: failed to allocate hash state buffer for %s\n", 1099 driver); 1100 err = -ENOMEM; 1101 goto out; 1102 } 1103 1104 for (i = 0; i < num_vecs; i++) { 1105 err = test_hash_vec(driver, &vecs[i], i, req, tsgl, hashstate); 1106 if (err) 1107 goto out; 1108 } 1109 err = 0; 1110 out: 1111 kfree(hashstate); 1112 if (tsgl) { 1113 destroy_test_sglist(tsgl); 1114 kfree(tsgl); 1115 } 1116 ahash_request_free(req); 1117 crypto_free_ahash(tfm); 1118 return err; 1119 } 1120 1121 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver, 1122 u32 type, u32 mask) 1123 { 1124 const struct hash_testvec *template = desc->suite.hash.vecs; 1125 unsigned int tcount = desc->suite.hash.count; 1126 unsigned int nr_unkeyed, nr_keyed; 1127 int err; 1128 1129 /* 1130 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests 1131 * first, before setting a key on the tfm. To make this easier, we 1132 * require that the unkeyed test vectors (if any) are listed first. 1133 */ 1134 1135 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) { 1136 if (template[nr_unkeyed].ksize) 1137 break; 1138 } 1139 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) { 1140 if (!template[nr_unkeyed + nr_keyed].ksize) { 1141 pr_err("alg: hash: test vectors for %s out of order, " 1142 "unkeyed ones must come first\n", desc->alg); 1143 return -EINVAL; 1144 } 1145 } 1146 1147 err = 0; 1148 if (nr_unkeyed) { 1149 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask); 1150 template += nr_unkeyed; 1151 } 1152 1153 if (!err && nr_keyed) 1154 err = __alg_test_hash(template, nr_keyed, driver, type, mask); 1155 1156 return err; 1157 } 1158 1159 static int test_aead_vec_cfg(const char *driver, int enc, 1160 const struct aead_testvec *vec, 1161 unsigned int vec_num, 1162 const struct testvec_config *cfg, 1163 struct aead_request *req, 1164 struct cipher_test_sglists *tsgls) 1165 { 1166 struct crypto_aead *tfm = crypto_aead_reqtfm(req); 1167 const unsigned int alignmask = crypto_aead_alignmask(tfm); 1168 const unsigned int ivsize = crypto_aead_ivsize(tfm); 1169 const unsigned int authsize = vec->clen - vec->plen; 1170 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1171 const char *op = enc ? "encryption" : "decryption"; 1172 DECLARE_CRYPTO_WAIT(wait); 1173 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 1174 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 1175 cfg->iv_offset + 1176 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 1177 struct kvec input[2]; 1178 int err; 1179 1180 /* Set the key */ 1181 if (vec->wk) 1182 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1183 else 1184 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1185 err = crypto_aead_setkey(tfm, vec->key, vec->klen); 1186 if (err) { 1187 if (vec->fail) /* expectedly failed to set key? */ 1188 return 0; 1189 pr_err("alg: aead: %s setkey failed with err %d on test vector %u; flags=%#x\n", 1190 driver, err, vec_num, crypto_aead_get_flags(tfm)); 1191 return err; 1192 } 1193 if (vec->fail) { 1194 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %u\n", 1195 driver, vec_num); 1196 return -EINVAL; 1197 } 1198 1199 /* Set the authentication tag size */ 1200 err = crypto_aead_setauthsize(tfm, authsize); 1201 if (err) { 1202 pr_err("alg: aead: %s setauthsize failed with err %d on test vector %u\n", 1203 driver, err, vec_num); 1204 return err; 1205 } 1206 1207 /* The IV must be copied to a buffer, as the algorithm may modify it */ 1208 if (WARN_ON(ivsize > MAX_IVLEN)) 1209 return -EINVAL; 1210 if (vec->iv) 1211 memcpy(iv, vec->iv, ivsize); 1212 else 1213 memset(iv, 0, ivsize); 1214 1215 /* Build the src/dst scatterlists */ 1216 input[0].iov_base = (void *)vec->assoc; 1217 input[0].iov_len = vec->alen; 1218 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 1219 input[1].iov_len = enc ? vec->plen : vec->clen; 1220 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 1221 vec->alen + (enc ? vec->plen : 1222 vec->clen), 1223 vec->alen + (enc ? vec->clen : 1224 vec->plen), 1225 input, 2); 1226 if (err) { 1227 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %u, cfg=\"%s\"\n", 1228 driver, op, vec_num, cfg->name); 1229 return err; 1230 } 1231 1232 /* Do the actual encryption or decryption */ 1233 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm)); 1234 aead_request_set_callback(req, req_flags, crypto_req_done, &wait); 1235 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 1236 enc ? vec->plen : vec->clen, iv); 1237 aead_request_set_ad(req, vec->alen); 1238 err = crypto_wait_req(enc ? crypto_aead_encrypt(req) : 1239 crypto_aead_decrypt(req), &wait); 1240 1241 aead_request_set_tfm(req, tfm); /* TODO: get rid of this */ 1242 1243 if (err) { 1244 if (err == -EBADMSG && vec->novrfy) 1245 return 0; 1246 pr_err("alg: aead: %s %s failed with err %d on test vector %u, cfg=\"%s\"\n", 1247 driver, op, err, vec_num, cfg->name); 1248 return err; 1249 } 1250 if (vec->novrfy) { 1251 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %u, cfg=\"%s\"\n", 1252 driver, op, vec_num, cfg->name); 1253 return -EINVAL; 1254 } 1255 1256 /* Check that the algorithm didn't overwrite things it shouldn't have */ 1257 if (req->cryptlen != (enc ? vec->plen : vec->clen) || 1258 req->assoclen != vec->alen || 1259 req->iv != iv || 1260 req->src != tsgls->src.sgl_ptr || 1261 req->dst != tsgls->dst.sgl_ptr || 1262 crypto_aead_reqtfm(req) != tfm || 1263 req->base.complete != crypto_req_done || 1264 req->base.flags != req_flags || 1265 req->base.data != &wait) { 1266 pr_err("alg: aead: %s %s corrupted request struct on test vector %u, cfg=\"%s\"\n", 1267 driver, op, vec_num, cfg->name); 1268 if (req->cryptlen != (enc ? vec->plen : vec->clen)) 1269 pr_err("alg: aead: changed 'req->cryptlen'\n"); 1270 if (req->assoclen != vec->alen) 1271 pr_err("alg: aead: changed 'req->assoclen'\n"); 1272 if (req->iv != iv) 1273 pr_err("alg: aead: changed 'req->iv'\n"); 1274 if (req->src != tsgls->src.sgl_ptr) 1275 pr_err("alg: aead: changed 'req->src'\n"); 1276 if (req->dst != tsgls->dst.sgl_ptr) 1277 pr_err("alg: aead: changed 'req->dst'\n"); 1278 if (crypto_aead_reqtfm(req) != tfm) 1279 pr_err("alg: aead: changed 'req->base.tfm'\n"); 1280 if (req->base.complete != crypto_req_done) 1281 pr_err("alg: aead: changed 'req->base.complete'\n"); 1282 if (req->base.flags != req_flags) 1283 pr_err("alg: aead: changed 'req->base.flags'\n"); 1284 if (req->base.data != &wait) 1285 pr_err("alg: aead: changed 'req->base.data'\n"); 1286 return -EINVAL; 1287 } 1288 if (is_test_sglist_corrupted(&tsgls->src)) { 1289 pr_err("alg: aead: %s %s corrupted src sgl on test vector %u, cfg=\"%s\"\n", 1290 driver, op, vec_num, cfg->name); 1291 return -EINVAL; 1292 } 1293 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 1294 is_test_sglist_corrupted(&tsgls->dst)) { 1295 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %u, cfg=\"%s\"\n", 1296 driver, op, vec_num, cfg->name); 1297 return -EINVAL; 1298 } 1299 1300 /* Check for the correct output (ciphertext or plaintext) */ 1301 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 1302 enc ? vec->clen : vec->plen, 1303 vec->alen, enc || !cfg->inplace); 1304 if (err == -EOVERFLOW) { 1305 pr_err("alg: aead: %s %s overran dst buffer on test vector %u, cfg=\"%s\"\n", 1306 driver, op, vec_num, cfg->name); 1307 return err; 1308 } 1309 if (err) { 1310 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n", 1311 driver, op, vec_num, cfg->name); 1312 return err; 1313 } 1314 1315 return 0; 1316 } 1317 1318 static int test_aead_vec(const char *driver, int enc, 1319 const struct aead_testvec *vec, unsigned int vec_num, 1320 struct aead_request *req, 1321 struct cipher_test_sglists *tsgls) 1322 { 1323 unsigned int i; 1324 int err; 1325 1326 if (enc && vec->novrfy) 1327 return 0; 1328 1329 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 1330 err = test_aead_vec_cfg(driver, enc, vec, vec_num, 1331 &default_cipher_testvec_configs[i], 1332 req, tsgls); 1333 if (err) 1334 return err; 1335 } 1336 1337 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1338 if (!noextratests) { 1339 struct testvec_config cfg; 1340 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1341 1342 for (i = 0; i < fuzz_iterations; i++) { 1343 generate_random_testvec_config(&cfg, cfgname, 1344 sizeof(cfgname)); 1345 err = test_aead_vec_cfg(driver, enc, vec, vec_num, 1346 &cfg, req, tsgls); 1347 if (err) 1348 return err; 1349 } 1350 } 1351 #endif 1352 return 0; 1353 } 1354 1355 static int test_aead(const char *driver, int enc, 1356 const struct aead_test_suite *suite, 1357 struct aead_request *req, 1358 struct cipher_test_sglists *tsgls) 1359 { 1360 unsigned int i; 1361 int err; 1362 1363 for (i = 0; i < suite->count; i++) { 1364 err = test_aead_vec(driver, enc, &suite->vecs[i], i, req, 1365 tsgls); 1366 if (err) 1367 return err; 1368 } 1369 return 0; 1370 } 1371 1372 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, 1373 u32 type, u32 mask) 1374 { 1375 const struct aead_test_suite *suite = &desc->suite.aead; 1376 struct crypto_aead *tfm; 1377 struct aead_request *req = NULL; 1378 struct cipher_test_sglists *tsgls = NULL; 1379 int err; 1380 1381 if (suite->count <= 0) { 1382 pr_err("alg: aead: empty test suite for %s\n", driver); 1383 return -EINVAL; 1384 } 1385 1386 tfm = crypto_alloc_aead(driver, type, mask); 1387 if (IS_ERR(tfm)) { 1388 pr_err("alg: aead: failed to allocate transform for %s: %ld\n", 1389 driver, PTR_ERR(tfm)); 1390 return PTR_ERR(tfm); 1391 } 1392 1393 req = aead_request_alloc(tfm, GFP_KERNEL); 1394 if (!req) { 1395 pr_err("alg: aead: failed to allocate request for %s\n", 1396 driver); 1397 err = -ENOMEM; 1398 goto out; 1399 } 1400 1401 tsgls = alloc_cipher_test_sglists(); 1402 if (!tsgls) { 1403 pr_err("alg: aead: failed to allocate test buffers for %s\n", 1404 driver); 1405 err = -ENOMEM; 1406 goto out; 1407 } 1408 1409 err = test_aead(driver, ENCRYPT, suite, req, tsgls); 1410 if (err) 1411 goto out; 1412 1413 err = test_aead(driver, DECRYPT, suite, req, tsgls); 1414 out: 1415 free_cipher_test_sglists(tsgls); 1416 aead_request_free(req); 1417 crypto_free_aead(tfm); 1418 return err; 1419 } 1420 1421 static int test_cipher(struct crypto_cipher *tfm, int enc, 1422 const struct cipher_testvec *template, 1423 unsigned int tcount) 1424 { 1425 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm)); 1426 unsigned int i, j, k; 1427 char *q; 1428 const char *e; 1429 const char *input, *result; 1430 void *data; 1431 char *xbuf[XBUFSIZE]; 1432 int ret = -ENOMEM; 1433 1434 if (testmgr_alloc_buf(xbuf)) 1435 goto out_nobuf; 1436 1437 if (enc == ENCRYPT) 1438 e = "encryption"; 1439 else 1440 e = "decryption"; 1441 1442 j = 0; 1443 for (i = 0; i < tcount; i++) { 1444 1445 if (fips_enabled && template[i].fips_skip) 1446 continue; 1447 1448 input = enc ? template[i].ptext : template[i].ctext; 1449 result = enc ? template[i].ctext : template[i].ptext; 1450 j++; 1451 1452 ret = -EINVAL; 1453 if (WARN_ON(template[i].len > PAGE_SIZE)) 1454 goto out; 1455 1456 data = xbuf[0]; 1457 memcpy(data, input, template[i].len); 1458 1459 crypto_cipher_clear_flags(tfm, ~0); 1460 if (template[i].wk) 1461 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1462 1463 ret = crypto_cipher_setkey(tfm, template[i].key, 1464 template[i].klen); 1465 if (template[i].fail == !ret) { 1466 printk(KERN_ERR "alg: cipher: setkey failed " 1467 "on test %d for %s: flags=%x\n", j, 1468 algo, crypto_cipher_get_flags(tfm)); 1469 goto out; 1470 } else if (ret) 1471 continue; 1472 1473 for (k = 0; k < template[i].len; 1474 k += crypto_cipher_blocksize(tfm)) { 1475 if (enc) 1476 crypto_cipher_encrypt_one(tfm, data + k, 1477 data + k); 1478 else 1479 crypto_cipher_decrypt_one(tfm, data + k, 1480 data + k); 1481 } 1482 1483 q = data; 1484 if (memcmp(q, result, template[i].len)) { 1485 printk(KERN_ERR "alg: cipher: Test %d failed " 1486 "on %s for %s\n", j, e, algo); 1487 hexdump(q, template[i].len); 1488 ret = -EINVAL; 1489 goto out; 1490 } 1491 } 1492 1493 ret = 0; 1494 1495 out: 1496 testmgr_free_buf(xbuf); 1497 out_nobuf: 1498 return ret; 1499 } 1500 1501 static int test_skcipher_vec_cfg(const char *driver, int enc, 1502 const struct cipher_testvec *vec, 1503 unsigned int vec_num, 1504 const struct testvec_config *cfg, 1505 struct skcipher_request *req, 1506 struct cipher_test_sglists *tsgls) 1507 { 1508 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); 1509 const unsigned int alignmask = crypto_skcipher_alignmask(tfm); 1510 const unsigned int ivsize = crypto_skcipher_ivsize(tfm); 1511 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags; 1512 const char *op = enc ? "encryption" : "decryption"; 1513 DECLARE_CRYPTO_WAIT(wait); 1514 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN]; 1515 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) + 1516 cfg->iv_offset + 1517 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0); 1518 struct kvec input; 1519 int err; 1520 1521 /* Set the key */ 1522 if (vec->wk) 1523 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1524 else 1525 crypto_skcipher_clear_flags(tfm, 1526 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); 1527 err = crypto_skcipher_setkey(tfm, vec->key, vec->klen); 1528 if (err) { 1529 if (vec->fail) /* expectedly failed to set key? */ 1530 return 0; 1531 pr_err("alg: skcipher: %s setkey failed with err %d on test vector %u; flags=%#x\n", 1532 driver, err, vec_num, crypto_skcipher_get_flags(tfm)); 1533 return err; 1534 } 1535 if (vec->fail) { 1536 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %u\n", 1537 driver, vec_num); 1538 return -EINVAL; 1539 } 1540 1541 /* The IV must be copied to a buffer, as the algorithm may modify it */ 1542 if (ivsize) { 1543 if (WARN_ON(ivsize > MAX_IVLEN)) 1544 return -EINVAL; 1545 if (vec->generates_iv && !enc) 1546 memcpy(iv, vec->iv_out, ivsize); 1547 else if (vec->iv) 1548 memcpy(iv, vec->iv, ivsize); 1549 else 1550 memset(iv, 0, ivsize); 1551 } else { 1552 if (vec->generates_iv) { 1553 pr_err("alg: skcipher: %s has ivsize=0 but test vector %u generates IV!\n", 1554 driver, vec_num); 1555 return -EINVAL; 1556 } 1557 iv = NULL; 1558 } 1559 1560 /* Build the src/dst scatterlists */ 1561 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext; 1562 input.iov_len = vec->len; 1563 err = build_cipher_test_sglists(tsgls, cfg, alignmask, 1564 vec->len, vec->len, &input, 1); 1565 if (err) { 1566 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %u, cfg=\"%s\"\n", 1567 driver, op, vec_num, cfg->name); 1568 return err; 1569 } 1570 1571 /* Do the actual encryption or decryption */ 1572 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm)); 1573 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait); 1574 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr, 1575 vec->len, iv); 1576 err = crypto_wait_req(enc ? crypto_skcipher_encrypt(req) : 1577 crypto_skcipher_decrypt(req), &wait); 1578 if (err) { 1579 pr_err("alg: skcipher: %s %s failed with err %d on test vector %u, cfg=\"%s\"\n", 1580 driver, op, err, vec_num, cfg->name); 1581 return err; 1582 } 1583 1584 /* Check that the algorithm didn't overwrite things it shouldn't have */ 1585 if (req->cryptlen != vec->len || 1586 req->iv != iv || 1587 req->src != tsgls->src.sgl_ptr || 1588 req->dst != tsgls->dst.sgl_ptr || 1589 crypto_skcipher_reqtfm(req) != tfm || 1590 req->base.complete != crypto_req_done || 1591 req->base.flags != req_flags || 1592 req->base.data != &wait) { 1593 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %u, cfg=\"%s\"\n", 1594 driver, op, vec_num, cfg->name); 1595 if (req->cryptlen != vec->len) 1596 pr_err("alg: skcipher: changed 'req->cryptlen'\n"); 1597 if (req->iv != iv) 1598 pr_err("alg: skcipher: changed 'req->iv'\n"); 1599 if (req->src != tsgls->src.sgl_ptr) 1600 pr_err("alg: skcipher: changed 'req->src'\n"); 1601 if (req->dst != tsgls->dst.sgl_ptr) 1602 pr_err("alg: skcipher: changed 'req->dst'\n"); 1603 if (crypto_skcipher_reqtfm(req) != tfm) 1604 pr_err("alg: skcipher: changed 'req->base.tfm'\n"); 1605 if (req->base.complete != crypto_req_done) 1606 pr_err("alg: skcipher: changed 'req->base.complete'\n"); 1607 if (req->base.flags != req_flags) 1608 pr_err("alg: skcipher: changed 'req->base.flags'\n"); 1609 if (req->base.data != &wait) 1610 pr_err("alg: skcipher: changed 'req->base.data'\n"); 1611 return -EINVAL; 1612 } 1613 if (is_test_sglist_corrupted(&tsgls->src)) { 1614 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %u, cfg=\"%s\"\n", 1615 driver, op, vec_num, cfg->name); 1616 return -EINVAL; 1617 } 1618 if (tsgls->dst.sgl_ptr != tsgls->src.sgl && 1619 is_test_sglist_corrupted(&tsgls->dst)) { 1620 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %u, cfg=\"%s\"\n", 1621 driver, op, vec_num, cfg->name); 1622 return -EINVAL; 1623 } 1624 1625 /* Check for the correct output (ciphertext or plaintext) */ 1626 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext, 1627 vec->len, 0, true); 1628 if (err == -EOVERFLOW) { 1629 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %u, cfg=\"%s\"\n", 1630 driver, op, vec_num, cfg->name); 1631 return err; 1632 } 1633 if (err) { 1634 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n", 1635 driver, op, vec_num, cfg->name); 1636 return err; 1637 } 1638 1639 /* If applicable, check that the algorithm generated the correct IV */ 1640 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) { 1641 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %u, cfg=\"%s\"\n", 1642 driver, op, vec_num, cfg->name); 1643 hexdump(iv, ivsize); 1644 return -EINVAL; 1645 } 1646 1647 return 0; 1648 } 1649 1650 static int test_skcipher_vec(const char *driver, int enc, 1651 const struct cipher_testvec *vec, 1652 unsigned int vec_num, 1653 struct skcipher_request *req, 1654 struct cipher_test_sglists *tsgls) 1655 { 1656 unsigned int i; 1657 int err; 1658 1659 if (fips_enabled && vec->fips_skip) 1660 return 0; 1661 1662 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) { 1663 err = test_skcipher_vec_cfg(driver, enc, vec, vec_num, 1664 &default_cipher_testvec_configs[i], 1665 req, tsgls); 1666 if (err) 1667 return err; 1668 } 1669 1670 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 1671 if (!noextratests) { 1672 struct testvec_config cfg; 1673 char cfgname[TESTVEC_CONFIG_NAMELEN]; 1674 1675 for (i = 0; i < fuzz_iterations; i++) { 1676 generate_random_testvec_config(&cfg, cfgname, 1677 sizeof(cfgname)); 1678 err = test_skcipher_vec_cfg(driver, enc, vec, vec_num, 1679 &cfg, req, tsgls); 1680 if (err) 1681 return err; 1682 } 1683 } 1684 #endif 1685 return 0; 1686 } 1687 1688 static int test_skcipher(const char *driver, int enc, 1689 const struct cipher_test_suite *suite, 1690 struct skcipher_request *req, 1691 struct cipher_test_sglists *tsgls) 1692 { 1693 unsigned int i; 1694 int err; 1695 1696 for (i = 0; i < suite->count; i++) { 1697 err = test_skcipher_vec(driver, enc, &suite->vecs[i], i, req, 1698 tsgls); 1699 if (err) 1700 return err; 1701 } 1702 return 0; 1703 } 1704 1705 static int alg_test_skcipher(const struct alg_test_desc *desc, 1706 const char *driver, u32 type, u32 mask) 1707 { 1708 const struct cipher_test_suite *suite = &desc->suite.cipher; 1709 struct crypto_skcipher *tfm; 1710 struct skcipher_request *req = NULL; 1711 struct cipher_test_sglists *tsgls = NULL; 1712 int err; 1713 1714 if (suite->count <= 0) { 1715 pr_err("alg: skcipher: empty test suite for %s\n", driver); 1716 return -EINVAL; 1717 } 1718 1719 tfm = crypto_alloc_skcipher(driver, type, mask); 1720 if (IS_ERR(tfm)) { 1721 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n", 1722 driver, PTR_ERR(tfm)); 1723 return PTR_ERR(tfm); 1724 } 1725 1726 req = skcipher_request_alloc(tfm, GFP_KERNEL); 1727 if (!req) { 1728 pr_err("alg: skcipher: failed to allocate request for %s\n", 1729 driver); 1730 err = -ENOMEM; 1731 goto out; 1732 } 1733 1734 tsgls = alloc_cipher_test_sglists(); 1735 if (!tsgls) { 1736 pr_err("alg: skcipher: failed to allocate test buffers for %s\n", 1737 driver); 1738 err = -ENOMEM; 1739 goto out; 1740 } 1741 1742 err = test_skcipher(driver, ENCRYPT, suite, req, tsgls); 1743 if (err) 1744 goto out; 1745 1746 err = test_skcipher(driver, DECRYPT, suite, req, tsgls); 1747 out: 1748 free_cipher_test_sglists(tsgls); 1749 skcipher_request_free(req); 1750 crypto_free_skcipher(tfm); 1751 return err; 1752 } 1753 1754 static int test_comp(struct crypto_comp *tfm, 1755 const struct comp_testvec *ctemplate, 1756 const struct comp_testvec *dtemplate, 1757 int ctcount, int dtcount) 1758 { 1759 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm)); 1760 char *output, *decomp_output; 1761 unsigned int i; 1762 int ret; 1763 1764 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 1765 if (!output) 1766 return -ENOMEM; 1767 1768 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 1769 if (!decomp_output) { 1770 kfree(output); 1771 return -ENOMEM; 1772 } 1773 1774 for (i = 0; i < ctcount; i++) { 1775 int ilen; 1776 unsigned int dlen = COMP_BUF_SIZE; 1777 1778 memset(output, 0, COMP_BUF_SIZE); 1779 memset(decomp_output, 0, COMP_BUF_SIZE); 1780 1781 ilen = ctemplate[i].inlen; 1782 ret = crypto_comp_compress(tfm, ctemplate[i].input, 1783 ilen, output, &dlen); 1784 if (ret) { 1785 printk(KERN_ERR "alg: comp: compression failed " 1786 "on test %d for %s: ret=%d\n", i + 1, algo, 1787 -ret); 1788 goto out; 1789 } 1790 1791 ilen = dlen; 1792 dlen = COMP_BUF_SIZE; 1793 ret = crypto_comp_decompress(tfm, output, 1794 ilen, decomp_output, &dlen); 1795 if (ret) { 1796 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n", 1797 i + 1, algo, -ret); 1798 goto out; 1799 } 1800 1801 if (dlen != ctemplate[i].inlen) { 1802 printk(KERN_ERR "alg: comp: Compression test %d " 1803 "failed for %s: output len = %d\n", i + 1, algo, 1804 dlen); 1805 ret = -EINVAL; 1806 goto out; 1807 } 1808 1809 if (memcmp(decomp_output, ctemplate[i].input, 1810 ctemplate[i].inlen)) { 1811 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n", 1812 i + 1, algo); 1813 hexdump(decomp_output, dlen); 1814 ret = -EINVAL; 1815 goto out; 1816 } 1817 } 1818 1819 for (i = 0; i < dtcount; i++) { 1820 int ilen; 1821 unsigned int dlen = COMP_BUF_SIZE; 1822 1823 memset(decomp_output, 0, COMP_BUF_SIZE); 1824 1825 ilen = dtemplate[i].inlen; 1826 ret = crypto_comp_decompress(tfm, dtemplate[i].input, 1827 ilen, decomp_output, &dlen); 1828 if (ret) { 1829 printk(KERN_ERR "alg: comp: decompression failed " 1830 "on test %d for %s: ret=%d\n", i + 1, algo, 1831 -ret); 1832 goto out; 1833 } 1834 1835 if (dlen != dtemplate[i].outlen) { 1836 printk(KERN_ERR "alg: comp: Decompression test %d " 1837 "failed for %s: output len = %d\n", i + 1, algo, 1838 dlen); 1839 ret = -EINVAL; 1840 goto out; 1841 } 1842 1843 if (memcmp(decomp_output, dtemplate[i].output, dlen)) { 1844 printk(KERN_ERR "alg: comp: Decompression test %d " 1845 "failed for %s\n", i + 1, algo); 1846 hexdump(decomp_output, dlen); 1847 ret = -EINVAL; 1848 goto out; 1849 } 1850 } 1851 1852 ret = 0; 1853 1854 out: 1855 kfree(decomp_output); 1856 kfree(output); 1857 return ret; 1858 } 1859 1860 static int test_acomp(struct crypto_acomp *tfm, 1861 const struct comp_testvec *ctemplate, 1862 const struct comp_testvec *dtemplate, 1863 int ctcount, int dtcount) 1864 { 1865 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm)); 1866 unsigned int i; 1867 char *output, *decomp_out; 1868 int ret; 1869 struct scatterlist src, dst; 1870 struct acomp_req *req; 1871 struct crypto_wait wait; 1872 1873 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 1874 if (!output) 1875 return -ENOMEM; 1876 1877 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); 1878 if (!decomp_out) { 1879 kfree(output); 1880 return -ENOMEM; 1881 } 1882 1883 for (i = 0; i < ctcount; i++) { 1884 unsigned int dlen = COMP_BUF_SIZE; 1885 int ilen = ctemplate[i].inlen; 1886 void *input_vec; 1887 1888 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL); 1889 if (!input_vec) { 1890 ret = -ENOMEM; 1891 goto out; 1892 } 1893 1894 memset(output, 0, dlen); 1895 crypto_init_wait(&wait); 1896 sg_init_one(&src, input_vec, ilen); 1897 sg_init_one(&dst, output, dlen); 1898 1899 req = acomp_request_alloc(tfm); 1900 if (!req) { 1901 pr_err("alg: acomp: request alloc failed for %s\n", 1902 algo); 1903 kfree(input_vec); 1904 ret = -ENOMEM; 1905 goto out; 1906 } 1907 1908 acomp_request_set_params(req, &src, &dst, ilen, dlen); 1909 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 1910 crypto_req_done, &wait); 1911 1912 ret = crypto_wait_req(crypto_acomp_compress(req), &wait); 1913 if (ret) { 1914 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 1915 i + 1, algo, -ret); 1916 kfree(input_vec); 1917 acomp_request_free(req); 1918 goto out; 1919 } 1920 1921 ilen = req->dlen; 1922 dlen = COMP_BUF_SIZE; 1923 sg_init_one(&src, output, ilen); 1924 sg_init_one(&dst, decomp_out, dlen); 1925 crypto_init_wait(&wait); 1926 acomp_request_set_params(req, &src, &dst, ilen, dlen); 1927 1928 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 1929 if (ret) { 1930 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n", 1931 i + 1, algo, -ret); 1932 kfree(input_vec); 1933 acomp_request_free(req); 1934 goto out; 1935 } 1936 1937 if (req->dlen != ctemplate[i].inlen) { 1938 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n", 1939 i + 1, algo, req->dlen); 1940 ret = -EINVAL; 1941 kfree(input_vec); 1942 acomp_request_free(req); 1943 goto out; 1944 } 1945 1946 if (memcmp(input_vec, decomp_out, req->dlen)) { 1947 pr_err("alg: acomp: Compression test %d failed for %s\n", 1948 i + 1, algo); 1949 hexdump(output, req->dlen); 1950 ret = -EINVAL; 1951 kfree(input_vec); 1952 acomp_request_free(req); 1953 goto out; 1954 } 1955 1956 kfree(input_vec); 1957 acomp_request_free(req); 1958 } 1959 1960 for (i = 0; i < dtcount; i++) { 1961 unsigned int dlen = COMP_BUF_SIZE; 1962 int ilen = dtemplate[i].inlen; 1963 void *input_vec; 1964 1965 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL); 1966 if (!input_vec) { 1967 ret = -ENOMEM; 1968 goto out; 1969 } 1970 1971 memset(output, 0, dlen); 1972 crypto_init_wait(&wait); 1973 sg_init_one(&src, input_vec, ilen); 1974 sg_init_one(&dst, output, dlen); 1975 1976 req = acomp_request_alloc(tfm); 1977 if (!req) { 1978 pr_err("alg: acomp: request alloc failed for %s\n", 1979 algo); 1980 kfree(input_vec); 1981 ret = -ENOMEM; 1982 goto out; 1983 } 1984 1985 acomp_request_set_params(req, &src, &dst, ilen, dlen); 1986 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 1987 crypto_req_done, &wait); 1988 1989 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); 1990 if (ret) { 1991 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n", 1992 i + 1, algo, -ret); 1993 kfree(input_vec); 1994 acomp_request_free(req); 1995 goto out; 1996 } 1997 1998 if (req->dlen != dtemplate[i].outlen) { 1999 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n", 2000 i + 1, algo, req->dlen); 2001 ret = -EINVAL; 2002 kfree(input_vec); 2003 acomp_request_free(req); 2004 goto out; 2005 } 2006 2007 if (memcmp(output, dtemplate[i].output, req->dlen)) { 2008 pr_err("alg: acomp: Decompression test %d failed for %s\n", 2009 i + 1, algo); 2010 hexdump(output, req->dlen); 2011 ret = -EINVAL; 2012 kfree(input_vec); 2013 acomp_request_free(req); 2014 goto out; 2015 } 2016 2017 kfree(input_vec); 2018 acomp_request_free(req); 2019 } 2020 2021 ret = 0; 2022 2023 out: 2024 kfree(decomp_out); 2025 kfree(output); 2026 return ret; 2027 } 2028 2029 static int test_cprng(struct crypto_rng *tfm, 2030 const struct cprng_testvec *template, 2031 unsigned int tcount) 2032 { 2033 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm)); 2034 int err = 0, i, j, seedsize; 2035 u8 *seed; 2036 char result[32]; 2037 2038 seedsize = crypto_rng_seedsize(tfm); 2039 2040 seed = kmalloc(seedsize, GFP_KERNEL); 2041 if (!seed) { 2042 printk(KERN_ERR "alg: cprng: Failed to allocate seed space " 2043 "for %s\n", algo); 2044 return -ENOMEM; 2045 } 2046 2047 for (i = 0; i < tcount; i++) { 2048 memset(result, 0, 32); 2049 2050 memcpy(seed, template[i].v, template[i].vlen); 2051 memcpy(seed + template[i].vlen, template[i].key, 2052 template[i].klen); 2053 memcpy(seed + template[i].vlen + template[i].klen, 2054 template[i].dt, template[i].dtlen); 2055 2056 err = crypto_rng_reset(tfm, seed, seedsize); 2057 if (err) { 2058 printk(KERN_ERR "alg: cprng: Failed to reset rng " 2059 "for %s\n", algo); 2060 goto out; 2061 } 2062 2063 for (j = 0; j < template[i].loops; j++) { 2064 err = crypto_rng_get_bytes(tfm, result, 2065 template[i].rlen); 2066 if (err < 0) { 2067 printk(KERN_ERR "alg: cprng: Failed to obtain " 2068 "the correct amount of random data for " 2069 "%s (requested %d)\n", algo, 2070 template[i].rlen); 2071 goto out; 2072 } 2073 } 2074 2075 err = memcmp(result, template[i].result, 2076 template[i].rlen); 2077 if (err) { 2078 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n", 2079 i, algo); 2080 hexdump(result, template[i].rlen); 2081 err = -EINVAL; 2082 goto out; 2083 } 2084 } 2085 2086 out: 2087 kfree(seed); 2088 return err; 2089 } 2090 2091 static int alg_test_cipher(const struct alg_test_desc *desc, 2092 const char *driver, u32 type, u32 mask) 2093 { 2094 const struct cipher_test_suite *suite = &desc->suite.cipher; 2095 struct crypto_cipher *tfm; 2096 int err; 2097 2098 tfm = crypto_alloc_cipher(driver, type, mask); 2099 if (IS_ERR(tfm)) { 2100 printk(KERN_ERR "alg: cipher: Failed to load transform for " 2101 "%s: %ld\n", driver, PTR_ERR(tfm)); 2102 return PTR_ERR(tfm); 2103 } 2104 2105 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count); 2106 if (!err) 2107 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count); 2108 2109 crypto_free_cipher(tfm); 2110 return err; 2111 } 2112 2113 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, 2114 u32 type, u32 mask) 2115 { 2116 struct crypto_comp *comp; 2117 struct crypto_acomp *acomp; 2118 int err; 2119 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK; 2120 2121 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) { 2122 acomp = crypto_alloc_acomp(driver, type, mask); 2123 if (IS_ERR(acomp)) { 2124 pr_err("alg: acomp: Failed to load transform for %s: %ld\n", 2125 driver, PTR_ERR(acomp)); 2126 return PTR_ERR(acomp); 2127 } 2128 err = test_acomp(acomp, desc->suite.comp.comp.vecs, 2129 desc->suite.comp.decomp.vecs, 2130 desc->suite.comp.comp.count, 2131 desc->suite.comp.decomp.count); 2132 crypto_free_acomp(acomp); 2133 } else { 2134 comp = crypto_alloc_comp(driver, type, mask); 2135 if (IS_ERR(comp)) { 2136 pr_err("alg: comp: Failed to load transform for %s: %ld\n", 2137 driver, PTR_ERR(comp)); 2138 return PTR_ERR(comp); 2139 } 2140 2141 err = test_comp(comp, desc->suite.comp.comp.vecs, 2142 desc->suite.comp.decomp.vecs, 2143 desc->suite.comp.comp.count, 2144 desc->suite.comp.decomp.count); 2145 2146 crypto_free_comp(comp); 2147 } 2148 return err; 2149 } 2150 2151 static int alg_test_crc32c(const struct alg_test_desc *desc, 2152 const char *driver, u32 type, u32 mask) 2153 { 2154 struct crypto_shash *tfm; 2155 __le32 val; 2156 int err; 2157 2158 err = alg_test_hash(desc, driver, type, mask); 2159 if (err) 2160 return err; 2161 2162 tfm = crypto_alloc_shash(driver, type, mask); 2163 if (IS_ERR(tfm)) { 2164 if (PTR_ERR(tfm) == -ENOENT) { 2165 /* 2166 * This crc32c implementation is only available through 2167 * ahash API, not the shash API, so the remaining part 2168 * of the test is not applicable to it. 2169 */ 2170 return 0; 2171 } 2172 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: " 2173 "%ld\n", driver, PTR_ERR(tfm)); 2174 return PTR_ERR(tfm); 2175 } 2176 2177 do { 2178 SHASH_DESC_ON_STACK(shash, tfm); 2179 u32 *ctx = (u32 *)shash_desc_ctx(shash); 2180 2181 shash->tfm = tfm; 2182 shash->flags = 0; 2183 2184 *ctx = 420553207; 2185 err = crypto_shash_final(shash, (u8 *)&val); 2186 if (err) { 2187 printk(KERN_ERR "alg: crc32c: Operation failed for " 2188 "%s: %d\n", driver, err); 2189 break; 2190 } 2191 2192 if (val != cpu_to_le32(~420553207)) { 2193 pr_err("alg: crc32c: Test failed for %s: %u\n", 2194 driver, le32_to_cpu(val)); 2195 err = -EINVAL; 2196 } 2197 } while (0); 2198 2199 crypto_free_shash(tfm); 2200 2201 return err; 2202 } 2203 2204 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver, 2205 u32 type, u32 mask) 2206 { 2207 struct crypto_rng *rng; 2208 int err; 2209 2210 rng = crypto_alloc_rng(driver, type, mask); 2211 if (IS_ERR(rng)) { 2212 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: " 2213 "%ld\n", driver, PTR_ERR(rng)); 2214 return PTR_ERR(rng); 2215 } 2216 2217 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count); 2218 2219 crypto_free_rng(rng); 2220 2221 return err; 2222 } 2223 2224 2225 static int drbg_cavs_test(const struct drbg_testvec *test, int pr, 2226 const char *driver, u32 type, u32 mask) 2227 { 2228 int ret = -EAGAIN; 2229 struct crypto_rng *drng; 2230 struct drbg_test_data test_data; 2231 struct drbg_string addtl, pers, testentropy; 2232 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL); 2233 2234 if (!buf) 2235 return -ENOMEM; 2236 2237 drng = crypto_alloc_rng(driver, type, mask); 2238 if (IS_ERR(drng)) { 2239 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for " 2240 "%s\n", driver); 2241 kzfree(buf); 2242 return -ENOMEM; 2243 } 2244 2245 test_data.testentropy = &testentropy; 2246 drbg_string_fill(&testentropy, test->entropy, test->entropylen); 2247 drbg_string_fill(&pers, test->pers, test->perslen); 2248 ret = crypto_drbg_reset_test(drng, &pers, &test_data); 2249 if (ret) { 2250 printk(KERN_ERR "alg: drbg: Failed to reset rng\n"); 2251 goto outbuf; 2252 } 2253 2254 drbg_string_fill(&addtl, test->addtla, test->addtllen); 2255 if (pr) { 2256 drbg_string_fill(&testentropy, test->entpra, test->entprlen); 2257 ret = crypto_drbg_get_bytes_addtl_test(drng, 2258 buf, test->expectedlen, &addtl, &test_data); 2259 } else { 2260 ret = crypto_drbg_get_bytes_addtl(drng, 2261 buf, test->expectedlen, &addtl); 2262 } 2263 if (ret < 0) { 2264 printk(KERN_ERR "alg: drbg: could not obtain random data for " 2265 "driver %s\n", driver); 2266 goto outbuf; 2267 } 2268 2269 drbg_string_fill(&addtl, test->addtlb, test->addtllen); 2270 if (pr) { 2271 drbg_string_fill(&testentropy, test->entprb, test->entprlen); 2272 ret = crypto_drbg_get_bytes_addtl_test(drng, 2273 buf, test->expectedlen, &addtl, &test_data); 2274 } else { 2275 ret = crypto_drbg_get_bytes_addtl(drng, 2276 buf, test->expectedlen, &addtl); 2277 } 2278 if (ret < 0) { 2279 printk(KERN_ERR "alg: drbg: could not obtain random data for " 2280 "driver %s\n", driver); 2281 goto outbuf; 2282 } 2283 2284 ret = memcmp(test->expected, buf, test->expectedlen); 2285 2286 outbuf: 2287 crypto_free_rng(drng); 2288 kzfree(buf); 2289 return ret; 2290 } 2291 2292 2293 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver, 2294 u32 type, u32 mask) 2295 { 2296 int err = 0; 2297 int pr = 0; 2298 int i = 0; 2299 const struct drbg_testvec *template = desc->suite.drbg.vecs; 2300 unsigned int tcount = desc->suite.drbg.count; 2301 2302 if (0 == memcmp(driver, "drbg_pr_", 8)) 2303 pr = 1; 2304 2305 for (i = 0; i < tcount; i++) { 2306 err = drbg_cavs_test(&template[i], pr, driver, type, mask); 2307 if (err) { 2308 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n", 2309 i, driver); 2310 err = -EINVAL; 2311 break; 2312 } 2313 } 2314 return err; 2315 2316 } 2317 2318 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, 2319 const char *alg) 2320 { 2321 struct kpp_request *req; 2322 void *input_buf = NULL; 2323 void *output_buf = NULL; 2324 void *a_public = NULL; 2325 void *a_ss = NULL; 2326 void *shared_secret = NULL; 2327 struct crypto_wait wait; 2328 unsigned int out_len_max; 2329 int err = -ENOMEM; 2330 struct scatterlist src, dst; 2331 2332 req = kpp_request_alloc(tfm, GFP_KERNEL); 2333 if (!req) 2334 return err; 2335 2336 crypto_init_wait(&wait); 2337 2338 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size); 2339 if (err < 0) 2340 goto free_req; 2341 2342 out_len_max = crypto_kpp_maxsize(tfm); 2343 output_buf = kzalloc(out_len_max, GFP_KERNEL); 2344 if (!output_buf) { 2345 err = -ENOMEM; 2346 goto free_req; 2347 } 2348 2349 /* Use appropriate parameter as base */ 2350 kpp_request_set_input(req, NULL, 0); 2351 sg_init_one(&dst, output_buf, out_len_max); 2352 kpp_request_set_output(req, &dst, out_len_max); 2353 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 2354 crypto_req_done, &wait); 2355 2356 /* Compute party A's public key */ 2357 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait); 2358 if (err) { 2359 pr_err("alg: %s: Party A: generate public key test failed. err %d\n", 2360 alg, err); 2361 goto free_output; 2362 } 2363 2364 if (vec->genkey) { 2365 /* Save party A's public key */ 2366 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL); 2367 if (!a_public) { 2368 err = -ENOMEM; 2369 goto free_output; 2370 } 2371 } else { 2372 /* Verify calculated public key */ 2373 if (memcmp(vec->expected_a_public, sg_virt(req->dst), 2374 vec->expected_a_public_size)) { 2375 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n", 2376 alg); 2377 err = -EINVAL; 2378 goto free_output; 2379 } 2380 } 2381 2382 /* Calculate shared secret key by using counter part (b) public key. */ 2383 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL); 2384 if (!input_buf) { 2385 err = -ENOMEM; 2386 goto free_output; 2387 } 2388 2389 sg_init_one(&src, input_buf, vec->b_public_size); 2390 sg_init_one(&dst, output_buf, out_len_max); 2391 kpp_request_set_input(req, &src, vec->b_public_size); 2392 kpp_request_set_output(req, &dst, out_len_max); 2393 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 2394 crypto_req_done, &wait); 2395 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait); 2396 if (err) { 2397 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n", 2398 alg, err); 2399 goto free_all; 2400 } 2401 2402 if (vec->genkey) { 2403 /* Save the shared secret obtained by party A */ 2404 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL); 2405 if (!a_ss) { 2406 err = -ENOMEM; 2407 goto free_all; 2408 } 2409 2410 /* 2411 * Calculate party B's shared secret by using party A's 2412 * public key. 2413 */ 2414 err = crypto_kpp_set_secret(tfm, vec->b_secret, 2415 vec->b_secret_size); 2416 if (err < 0) 2417 goto free_all; 2418 2419 sg_init_one(&src, a_public, vec->expected_a_public_size); 2420 sg_init_one(&dst, output_buf, out_len_max); 2421 kpp_request_set_input(req, &src, vec->expected_a_public_size); 2422 kpp_request_set_output(req, &dst, out_len_max); 2423 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 2424 crypto_req_done, &wait); 2425 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), 2426 &wait); 2427 if (err) { 2428 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n", 2429 alg, err); 2430 goto free_all; 2431 } 2432 2433 shared_secret = a_ss; 2434 } else { 2435 shared_secret = (void *)vec->expected_ss; 2436 } 2437 2438 /* 2439 * verify shared secret from which the user will derive 2440 * secret key by executing whatever hash it has chosen 2441 */ 2442 if (memcmp(shared_secret, sg_virt(req->dst), 2443 vec->expected_ss_size)) { 2444 pr_err("alg: %s: compute shared secret test failed. Invalid output\n", 2445 alg); 2446 err = -EINVAL; 2447 } 2448 2449 free_all: 2450 kfree(a_ss); 2451 kfree(input_buf); 2452 free_output: 2453 kfree(a_public); 2454 kfree(output_buf); 2455 free_req: 2456 kpp_request_free(req); 2457 return err; 2458 } 2459 2460 static int test_kpp(struct crypto_kpp *tfm, const char *alg, 2461 const struct kpp_testvec *vecs, unsigned int tcount) 2462 { 2463 int ret, i; 2464 2465 for (i = 0; i < tcount; i++) { 2466 ret = do_test_kpp(tfm, vecs++, alg); 2467 if (ret) { 2468 pr_err("alg: %s: test failed on vector %d, err=%d\n", 2469 alg, i + 1, ret); 2470 return ret; 2471 } 2472 } 2473 return 0; 2474 } 2475 2476 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, 2477 u32 type, u32 mask) 2478 { 2479 struct crypto_kpp *tfm; 2480 int err = 0; 2481 2482 tfm = crypto_alloc_kpp(driver, type, mask); 2483 if (IS_ERR(tfm)) { 2484 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", 2485 driver, PTR_ERR(tfm)); 2486 return PTR_ERR(tfm); 2487 } 2488 if (desc->suite.kpp.vecs) 2489 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs, 2490 desc->suite.kpp.count); 2491 2492 crypto_free_kpp(tfm); 2493 return err; 2494 } 2495 2496 static int test_akcipher_one(struct crypto_akcipher *tfm, 2497 const struct akcipher_testvec *vecs) 2498 { 2499 char *xbuf[XBUFSIZE]; 2500 struct akcipher_request *req; 2501 void *outbuf_enc = NULL; 2502 void *outbuf_dec = NULL; 2503 struct crypto_wait wait; 2504 unsigned int out_len_max, out_len = 0; 2505 int err = -ENOMEM; 2506 struct scatterlist src, dst, src_tab[2]; 2507 const char *m, *c; 2508 unsigned int m_size, c_size; 2509 const char *op; 2510 2511 if (testmgr_alloc_buf(xbuf)) 2512 return err; 2513 2514 req = akcipher_request_alloc(tfm, GFP_KERNEL); 2515 if (!req) 2516 goto free_xbuf; 2517 2518 crypto_init_wait(&wait); 2519 2520 if (vecs->public_key_vec) 2521 err = crypto_akcipher_set_pub_key(tfm, vecs->key, 2522 vecs->key_len); 2523 else 2524 err = crypto_akcipher_set_priv_key(tfm, vecs->key, 2525 vecs->key_len); 2526 if (err) 2527 goto free_req; 2528 2529 err = -ENOMEM; 2530 out_len_max = crypto_akcipher_maxsize(tfm); 2531 2532 /* 2533 * First run test which do not require a private key, such as 2534 * encrypt or verify. 2535 */ 2536 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); 2537 if (!outbuf_enc) 2538 goto free_req; 2539 2540 if (!vecs->siggen_sigver_test) { 2541 m = vecs->m; 2542 m_size = vecs->m_size; 2543 c = vecs->c; 2544 c_size = vecs->c_size; 2545 op = "encrypt"; 2546 } else { 2547 /* Swap args so we could keep plaintext (digest) 2548 * in vecs->m, and cooked signature in vecs->c. 2549 */ 2550 m = vecs->c; /* signature */ 2551 m_size = vecs->c_size; 2552 c = vecs->m; /* digest */ 2553 c_size = vecs->m_size; 2554 op = "verify"; 2555 } 2556 2557 if (WARN_ON(m_size > PAGE_SIZE)) 2558 goto free_all; 2559 memcpy(xbuf[0], m, m_size); 2560 2561 sg_init_table(src_tab, 2); 2562 sg_set_buf(&src_tab[0], xbuf[0], 8); 2563 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8); 2564 sg_init_one(&dst, outbuf_enc, out_len_max); 2565 akcipher_request_set_crypt(req, src_tab, &dst, m_size, 2566 out_len_max); 2567 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, 2568 crypto_req_done, &wait); 2569 2570 err = crypto_wait_req(vecs->siggen_sigver_test ? 2571 /* Run asymmetric signature verification */ 2572 crypto_akcipher_verify(req) : 2573 /* Run asymmetric encrypt */ 2574 crypto_akcipher_encrypt(req), &wait); 2575 if (err) { 2576 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 2577 goto free_all; 2578 } 2579 if (req->dst_len != c_size) { 2580 pr_err("alg: akcipher: %s test failed. Invalid output len\n", 2581 op); 2582 err = -EINVAL; 2583 goto free_all; 2584 } 2585 /* verify that encrypted message is equal to expected */ 2586 if (memcmp(c, outbuf_enc, c_size)) { 2587 pr_err("alg: akcipher: %s test failed. Invalid output\n", op); 2588 hexdump(outbuf_enc, c_size); 2589 err = -EINVAL; 2590 goto free_all; 2591 } 2592 2593 /* 2594 * Don't invoke (decrypt or sign) test which require a private key 2595 * for vectors with only a public key. 2596 */ 2597 if (vecs->public_key_vec) { 2598 err = 0; 2599 goto free_all; 2600 } 2601 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL); 2602 if (!outbuf_dec) { 2603 err = -ENOMEM; 2604 goto free_all; 2605 } 2606 2607 op = vecs->siggen_sigver_test ? "sign" : "decrypt"; 2608 if (WARN_ON(c_size > PAGE_SIZE)) 2609 goto free_all; 2610 memcpy(xbuf[0], c, c_size); 2611 2612 sg_init_one(&src, xbuf[0], c_size); 2613 sg_init_one(&dst, outbuf_dec, out_len_max); 2614 crypto_init_wait(&wait); 2615 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max); 2616 2617 err = crypto_wait_req(vecs->siggen_sigver_test ? 2618 /* Run asymmetric signature generation */ 2619 crypto_akcipher_sign(req) : 2620 /* Run asymmetric decrypt */ 2621 crypto_akcipher_decrypt(req), &wait); 2622 if (err) { 2623 pr_err("alg: akcipher: %s test failed. err %d\n", op, err); 2624 goto free_all; 2625 } 2626 out_len = req->dst_len; 2627 if (out_len < m_size) { 2628 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n", 2629 op, out_len); 2630 err = -EINVAL; 2631 goto free_all; 2632 } 2633 /* verify that decrypted message is equal to the original msg */ 2634 if (memchr_inv(outbuf_dec, 0, out_len - m_size) || 2635 memcmp(m, outbuf_dec + out_len - m_size, m_size)) { 2636 pr_err("alg: akcipher: %s test failed. Invalid output\n", op); 2637 hexdump(outbuf_dec, out_len); 2638 err = -EINVAL; 2639 } 2640 free_all: 2641 kfree(outbuf_dec); 2642 kfree(outbuf_enc); 2643 free_req: 2644 akcipher_request_free(req); 2645 free_xbuf: 2646 testmgr_free_buf(xbuf); 2647 return err; 2648 } 2649 2650 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, 2651 const struct akcipher_testvec *vecs, 2652 unsigned int tcount) 2653 { 2654 const char *algo = 2655 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm)); 2656 int ret, i; 2657 2658 for (i = 0; i < tcount; i++) { 2659 ret = test_akcipher_one(tfm, vecs++); 2660 if (!ret) 2661 continue; 2662 2663 pr_err("alg: akcipher: test %d failed for %s, err=%d\n", 2664 i + 1, algo, ret); 2665 return ret; 2666 } 2667 return 0; 2668 } 2669 2670 static int alg_test_akcipher(const struct alg_test_desc *desc, 2671 const char *driver, u32 type, u32 mask) 2672 { 2673 struct crypto_akcipher *tfm; 2674 int err = 0; 2675 2676 tfm = crypto_alloc_akcipher(driver, type, mask); 2677 if (IS_ERR(tfm)) { 2678 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n", 2679 driver, PTR_ERR(tfm)); 2680 return PTR_ERR(tfm); 2681 } 2682 if (desc->suite.akcipher.vecs) 2683 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs, 2684 desc->suite.akcipher.count); 2685 2686 crypto_free_akcipher(tfm); 2687 return err; 2688 } 2689 2690 static int alg_test_null(const struct alg_test_desc *desc, 2691 const char *driver, u32 type, u32 mask) 2692 { 2693 return 0; 2694 } 2695 2696 #define __VECS(tv) { .vecs = tv, .count = ARRAY_SIZE(tv) } 2697 2698 /* Please keep this list sorted by algorithm name. */ 2699 static const struct alg_test_desc alg_test_descs[] = { 2700 { 2701 .alg = "adiantum(xchacha12,aes)", 2702 .test = alg_test_skcipher, 2703 .suite = { 2704 .cipher = __VECS(adiantum_xchacha12_aes_tv_template) 2705 }, 2706 }, { 2707 .alg = "adiantum(xchacha20,aes)", 2708 .test = alg_test_skcipher, 2709 .suite = { 2710 .cipher = __VECS(adiantum_xchacha20_aes_tv_template) 2711 }, 2712 }, { 2713 .alg = "aegis128", 2714 .test = alg_test_aead, 2715 .suite = { 2716 .aead = __VECS(aegis128_tv_template) 2717 } 2718 }, { 2719 .alg = "aegis128l", 2720 .test = alg_test_aead, 2721 .suite = { 2722 .aead = __VECS(aegis128l_tv_template) 2723 } 2724 }, { 2725 .alg = "aegis256", 2726 .test = alg_test_aead, 2727 .suite = { 2728 .aead = __VECS(aegis256_tv_template) 2729 } 2730 }, { 2731 .alg = "ansi_cprng", 2732 .test = alg_test_cprng, 2733 .suite = { 2734 .cprng = __VECS(ansi_cprng_aes_tv_template) 2735 } 2736 }, { 2737 .alg = "authenc(hmac(md5),ecb(cipher_null))", 2738 .test = alg_test_aead, 2739 .suite = { 2740 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template) 2741 } 2742 }, { 2743 .alg = "authenc(hmac(sha1),cbc(aes))", 2744 .test = alg_test_aead, 2745 .fips_allowed = 1, 2746 .suite = { 2747 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp) 2748 } 2749 }, { 2750 .alg = "authenc(hmac(sha1),cbc(des))", 2751 .test = alg_test_aead, 2752 .suite = { 2753 .aead = __VECS(hmac_sha1_des_cbc_tv_temp) 2754 } 2755 }, { 2756 .alg = "authenc(hmac(sha1),cbc(des3_ede))", 2757 .test = alg_test_aead, 2758 .fips_allowed = 1, 2759 .suite = { 2760 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp) 2761 } 2762 }, { 2763 .alg = "authenc(hmac(sha1),ctr(aes))", 2764 .test = alg_test_null, 2765 .fips_allowed = 1, 2766 }, { 2767 .alg = "authenc(hmac(sha1),ecb(cipher_null))", 2768 .test = alg_test_aead, 2769 .suite = { 2770 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp) 2771 } 2772 }, { 2773 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))", 2774 .test = alg_test_null, 2775 .fips_allowed = 1, 2776 }, { 2777 .alg = "authenc(hmac(sha224),cbc(des))", 2778 .test = alg_test_aead, 2779 .suite = { 2780 .aead = __VECS(hmac_sha224_des_cbc_tv_temp) 2781 } 2782 }, { 2783 .alg = "authenc(hmac(sha224),cbc(des3_ede))", 2784 .test = alg_test_aead, 2785 .fips_allowed = 1, 2786 .suite = { 2787 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp) 2788 } 2789 }, { 2790 .alg = "authenc(hmac(sha256),cbc(aes))", 2791 .test = alg_test_aead, 2792 .fips_allowed = 1, 2793 .suite = { 2794 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp) 2795 } 2796 }, { 2797 .alg = "authenc(hmac(sha256),cbc(des))", 2798 .test = alg_test_aead, 2799 .suite = { 2800 .aead = __VECS(hmac_sha256_des_cbc_tv_temp) 2801 } 2802 }, { 2803 .alg = "authenc(hmac(sha256),cbc(des3_ede))", 2804 .test = alg_test_aead, 2805 .fips_allowed = 1, 2806 .suite = { 2807 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp) 2808 } 2809 }, { 2810 .alg = "authenc(hmac(sha256),ctr(aes))", 2811 .test = alg_test_null, 2812 .fips_allowed = 1, 2813 }, { 2814 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", 2815 .test = alg_test_null, 2816 .fips_allowed = 1, 2817 }, { 2818 .alg = "authenc(hmac(sha384),cbc(des))", 2819 .test = alg_test_aead, 2820 .suite = { 2821 .aead = __VECS(hmac_sha384_des_cbc_tv_temp) 2822 } 2823 }, { 2824 .alg = "authenc(hmac(sha384),cbc(des3_ede))", 2825 .test = alg_test_aead, 2826 .fips_allowed = 1, 2827 .suite = { 2828 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp) 2829 } 2830 }, { 2831 .alg = "authenc(hmac(sha384),ctr(aes))", 2832 .test = alg_test_null, 2833 .fips_allowed = 1, 2834 }, { 2835 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", 2836 .test = alg_test_null, 2837 .fips_allowed = 1, 2838 }, { 2839 .alg = "authenc(hmac(sha512),cbc(aes))", 2840 .fips_allowed = 1, 2841 .test = alg_test_aead, 2842 .suite = { 2843 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp) 2844 } 2845 }, { 2846 .alg = "authenc(hmac(sha512),cbc(des))", 2847 .test = alg_test_aead, 2848 .suite = { 2849 .aead = __VECS(hmac_sha512_des_cbc_tv_temp) 2850 } 2851 }, { 2852 .alg = "authenc(hmac(sha512),cbc(des3_ede))", 2853 .test = alg_test_aead, 2854 .fips_allowed = 1, 2855 .suite = { 2856 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp) 2857 } 2858 }, { 2859 .alg = "authenc(hmac(sha512),ctr(aes))", 2860 .test = alg_test_null, 2861 .fips_allowed = 1, 2862 }, { 2863 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", 2864 .test = alg_test_null, 2865 .fips_allowed = 1, 2866 }, { 2867 .alg = "cbc(aes)", 2868 .test = alg_test_skcipher, 2869 .fips_allowed = 1, 2870 .suite = { 2871 .cipher = __VECS(aes_cbc_tv_template) 2872 }, 2873 }, { 2874 .alg = "cbc(anubis)", 2875 .test = alg_test_skcipher, 2876 .suite = { 2877 .cipher = __VECS(anubis_cbc_tv_template) 2878 }, 2879 }, { 2880 .alg = "cbc(blowfish)", 2881 .test = alg_test_skcipher, 2882 .suite = { 2883 .cipher = __VECS(bf_cbc_tv_template) 2884 }, 2885 }, { 2886 .alg = "cbc(camellia)", 2887 .test = alg_test_skcipher, 2888 .suite = { 2889 .cipher = __VECS(camellia_cbc_tv_template) 2890 }, 2891 }, { 2892 .alg = "cbc(cast5)", 2893 .test = alg_test_skcipher, 2894 .suite = { 2895 .cipher = __VECS(cast5_cbc_tv_template) 2896 }, 2897 }, { 2898 .alg = "cbc(cast6)", 2899 .test = alg_test_skcipher, 2900 .suite = { 2901 .cipher = __VECS(cast6_cbc_tv_template) 2902 }, 2903 }, { 2904 .alg = "cbc(des)", 2905 .test = alg_test_skcipher, 2906 .suite = { 2907 .cipher = __VECS(des_cbc_tv_template) 2908 }, 2909 }, { 2910 .alg = "cbc(des3_ede)", 2911 .test = alg_test_skcipher, 2912 .fips_allowed = 1, 2913 .suite = { 2914 .cipher = __VECS(des3_ede_cbc_tv_template) 2915 }, 2916 }, { 2917 /* Same as cbc(aes) except the key is stored in 2918 * hardware secure memory which we reference by index 2919 */ 2920 .alg = "cbc(paes)", 2921 .test = alg_test_null, 2922 .fips_allowed = 1, 2923 }, { 2924 .alg = "cbc(serpent)", 2925 .test = alg_test_skcipher, 2926 .suite = { 2927 .cipher = __VECS(serpent_cbc_tv_template) 2928 }, 2929 }, { 2930 .alg = "cbc(sm4)", 2931 .test = alg_test_skcipher, 2932 .suite = { 2933 .cipher = __VECS(sm4_cbc_tv_template) 2934 } 2935 }, { 2936 .alg = "cbc(twofish)", 2937 .test = alg_test_skcipher, 2938 .suite = { 2939 .cipher = __VECS(tf_cbc_tv_template) 2940 }, 2941 }, { 2942 .alg = "cbcmac(aes)", 2943 .fips_allowed = 1, 2944 .test = alg_test_hash, 2945 .suite = { 2946 .hash = __VECS(aes_cbcmac_tv_template) 2947 } 2948 }, { 2949 .alg = "ccm(aes)", 2950 .test = alg_test_aead, 2951 .fips_allowed = 1, 2952 .suite = { 2953 .aead = __VECS(aes_ccm_tv_template) 2954 } 2955 }, { 2956 .alg = "cfb(aes)", 2957 .test = alg_test_skcipher, 2958 .fips_allowed = 1, 2959 .suite = { 2960 .cipher = __VECS(aes_cfb_tv_template) 2961 }, 2962 }, { 2963 .alg = "chacha20", 2964 .test = alg_test_skcipher, 2965 .suite = { 2966 .cipher = __VECS(chacha20_tv_template) 2967 }, 2968 }, { 2969 .alg = "cmac(aes)", 2970 .fips_allowed = 1, 2971 .test = alg_test_hash, 2972 .suite = { 2973 .hash = __VECS(aes_cmac128_tv_template) 2974 } 2975 }, { 2976 .alg = "cmac(des3_ede)", 2977 .fips_allowed = 1, 2978 .test = alg_test_hash, 2979 .suite = { 2980 .hash = __VECS(des3_ede_cmac64_tv_template) 2981 } 2982 }, { 2983 .alg = "compress_null", 2984 .test = alg_test_null, 2985 }, { 2986 .alg = "crc32", 2987 .test = alg_test_hash, 2988 .fips_allowed = 1, 2989 .suite = { 2990 .hash = __VECS(crc32_tv_template) 2991 } 2992 }, { 2993 .alg = "crc32c", 2994 .test = alg_test_crc32c, 2995 .fips_allowed = 1, 2996 .suite = { 2997 .hash = __VECS(crc32c_tv_template) 2998 } 2999 }, { 3000 .alg = "crct10dif", 3001 .test = alg_test_hash, 3002 .fips_allowed = 1, 3003 .suite = { 3004 .hash = __VECS(crct10dif_tv_template) 3005 } 3006 }, { 3007 .alg = "ctr(aes)", 3008 .test = alg_test_skcipher, 3009 .fips_allowed = 1, 3010 .suite = { 3011 .cipher = __VECS(aes_ctr_tv_template) 3012 } 3013 }, { 3014 .alg = "ctr(blowfish)", 3015 .test = alg_test_skcipher, 3016 .suite = { 3017 .cipher = __VECS(bf_ctr_tv_template) 3018 } 3019 }, { 3020 .alg = "ctr(camellia)", 3021 .test = alg_test_skcipher, 3022 .suite = { 3023 .cipher = __VECS(camellia_ctr_tv_template) 3024 } 3025 }, { 3026 .alg = "ctr(cast5)", 3027 .test = alg_test_skcipher, 3028 .suite = { 3029 .cipher = __VECS(cast5_ctr_tv_template) 3030 } 3031 }, { 3032 .alg = "ctr(cast6)", 3033 .test = alg_test_skcipher, 3034 .suite = { 3035 .cipher = __VECS(cast6_ctr_tv_template) 3036 } 3037 }, { 3038 .alg = "ctr(des)", 3039 .test = alg_test_skcipher, 3040 .suite = { 3041 .cipher = __VECS(des_ctr_tv_template) 3042 } 3043 }, { 3044 .alg = "ctr(des3_ede)", 3045 .test = alg_test_skcipher, 3046 .fips_allowed = 1, 3047 .suite = { 3048 .cipher = __VECS(des3_ede_ctr_tv_template) 3049 } 3050 }, { 3051 /* Same as ctr(aes) except the key is stored in 3052 * hardware secure memory which we reference by index 3053 */ 3054 .alg = "ctr(paes)", 3055 .test = alg_test_null, 3056 .fips_allowed = 1, 3057 }, { 3058 .alg = "ctr(serpent)", 3059 .test = alg_test_skcipher, 3060 .suite = { 3061 .cipher = __VECS(serpent_ctr_tv_template) 3062 } 3063 }, { 3064 .alg = "ctr(sm4)", 3065 .test = alg_test_skcipher, 3066 .suite = { 3067 .cipher = __VECS(sm4_ctr_tv_template) 3068 } 3069 }, { 3070 .alg = "ctr(twofish)", 3071 .test = alg_test_skcipher, 3072 .suite = { 3073 .cipher = __VECS(tf_ctr_tv_template) 3074 } 3075 }, { 3076 .alg = "cts(cbc(aes))", 3077 .test = alg_test_skcipher, 3078 .fips_allowed = 1, 3079 .suite = { 3080 .cipher = __VECS(cts_mode_tv_template) 3081 } 3082 }, { 3083 .alg = "deflate", 3084 .test = alg_test_comp, 3085 .fips_allowed = 1, 3086 .suite = { 3087 .comp = { 3088 .comp = __VECS(deflate_comp_tv_template), 3089 .decomp = __VECS(deflate_decomp_tv_template) 3090 } 3091 } 3092 }, { 3093 .alg = "dh", 3094 .test = alg_test_kpp, 3095 .fips_allowed = 1, 3096 .suite = { 3097 .kpp = __VECS(dh_tv_template) 3098 } 3099 }, { 3100 .alg = "digest_null", 3101 .test = alg_test_null, 3102 }, { 3103 .alg = "drbg_nopr_ctr_aes128", 3104 .test = alg_test_drbg, 3105 .fips_allowed = 1, 3106 .suite = { 3107 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template) 3108 } 3109 }, { 3110 .alg = "drbg_nopr_ctr_aes192", 3111 .test = alg_test_drbg, 3112 .fips_allowed = 1, 3113 .suite = { 3114 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template) 3115 } 3116 }, { 3117 .alg = "drbg_nopr_ctr_aes256", 3118 .test = alg_test_drbg, 3119 .fips_allowed = 1, 3120 .suite = { 3121 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template) 3122 } 3123 }, { 3124 /* 3125 * There is no need to specifically test the DRBG with every 3126 * backend cipher -- covered by drbg_nopr_hmac_sha256 test 3127 */ 3128 .alg = "drbg_nopr_hmac_sha1", 3129 .fips_allowed = 1, 3130 .test = alg_test_null, 3131 }, { 3132 .alg = "drbg_nopr_hmac_sha256", 3133 .test = alg_test_drbg, 3134 .fips_allowed = 1, 3135 .suite = { 3136 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template) 3137 } 3138 }, { 3139 /* covered by drbg_nopr_hmac_sha256 test */ 3140 .alg = "drbg_nopr_hmac_sha384", 3141 .fips_allowed = 1, 3142 .test = alg_test_null, 3143 }, { 3144 .alg = "drbg_nopr_hmac_sha512", 3145 .test = alg_test_null, 3146 .fips_allowed = 1, 3147 }, { 3148 .alg = "drbg_nopr_sha1", 3149 .fips_allowed = 1, 3150 .test = alg_test_null, 3151 }, { 3152 .alg = "drbg_nopr_sha256", 3153 .test = alg_test_drbg, 3154 .fips_allowed = 1, 3155 .suite = { 3156 .drbg = __VECS(drbg_nopr_sha256_tv_template) 3157 } 3158 }, { 3159 /* covered by drbg_nopr_sha256 test */ 3160 .alg = "drbg_nopr_sha384", 3161 .fips_allowed = 1, 3162 .test = alg_test_null, 3163 }, { 3164 .alg = "drbg_nopr_sha512", 3165 .fips_allowed = 1, 3166 .test = alg_test_null, 3167 }, { 3168 .alg = "drbg_pr_ctr_aes128", 3169 .test = alg_test_drbg, 3170 .fips_allowed = 1, 3171 .suite = { 3172 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template) 3173 } 3174 }, { 3175 /* covered by drbg_pr_ctr_aes128 test */ 3176 .alg = "drbg_pr_ctr_aes192", 3177 .fips_allowed = 1, 3178 .test = alg_test_null, 3179 }, { 3180 .alg = "drbg_pr_ctr_aes256", 3181 .fips_allowed = 1, 3182 .test = alg_test_null, 3183 }, { 3184 .alg = "drbg_pr_hmac_sha1", 3185 .fips_allowed = 1, 3186 .test = alg_test_null, 3187 }, { 3188 .alg = "drbg_pr_hmac_sha256", 3189 .test = alg_test_drbg, 3190 .fips_allowed = 1, 3191 .suite = { 3192 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template) 3193 } 3194 }, { 3195 /* covered by drbg_pr_hmac_sha256 test */ 3196 .alg = "drbg_pr_hmac_sha384", 3197 .fips_allowed = 1, 3198 .test = alg_test_null, 3199 }, { 3200 .alg = "drbg_pr_hmac_sha512", 3201 .test = alg_test_null, 3202 .fips_allowed = 1, 3203 }, { 3204 .alg = "drbg_pr_sha1", 3205 .fips_allowed = 1, 3206 .test = alg_test_null, 3207 }, { 3208 .alg = "drbg_pr_sha256", 3209 .test = alg_test_drbg, 3210 .fips_allowed = 1, 3211 .suite = { 3212 .drbg = __VECS(drbg_pr_sha256_tv_template) 3213 } 3214 }, { 3215 /* covered by drbg_pr_sha256 test */ 3216 .alg = "drbg_pr_sha384", 3217 .fips_allowed = 1, 3218 .test = alg_test_null, 3219 }, { 3220 .alg = "drbg_pr_sha512", 3221 .fips_allowed = 1, 3222 .test = alg_test_null, 3223 }, { 3224 .alg = "ecb(aes)", 3225 .test = alg_test_skcipher, 3226 .fips_allowed = 1, 3227 .suite = { 3228 .cipher = __VECS(aes_tv_template) 3229 } 3230 }, { 3231 .alg = "ecb(anubis)", 3232 .test = alg_test_skcipher, 3233 .suite = { 3234 .cipher = __VECS(anubis_tv_template) 3235 } 3236 }, { 3237 .alg = "ecb(arc4)", 3238 .test = alg_test_skcipher, 3239 .suite = { 3240 .cipher = __VECS(arc4_tv_template) 3241 } 3242 }, { 3243 .alg = "ecb(blowfish)", 3244 .test = alg_test_skcipher, 3245 .suite = { 3246 .cipher = __VECS(bf_tv_template) 3247 } 3248 }, { 3249 .alg = "ecb(camellia)", 3250 .test = alg_test_skcipher, 3251 .suite = { 3252 .cipher = __VECS(camellia_tv_template) 3253 } 3254 }, { 3255 .alg = "ecb(cast5)", 3256 .test = alg_test_skcipher, 3257 .suite = { 3258 .cipher = __VECS(cast5_tv_template) 3259 } 3260 }, { 3261 .alg = "ecb(cast6)", 3262 .test = alg_test_skcipher, 3263 .suite = { 3264 .cipher = __VECS(cast6_tv_template) 3265 } 3266 }, { 3267 .alg = "ecb(cipher_null)", 3268 .test = alg_test_null, 3269 .fips_allowed = 1, 3270 }, { 3271 .alg = "ecb(des)", 3272 .test = alg_test_skcipher, 3273 .suite = { 3274 .cipher = __VECS(des_tv_template) 3275 } 3276 }, { 3277 .alg = "ecb(des3_ede)", 3278 .test = alg_test_skcipher, 3279 .fips_allowed = 1, 3280 .suite = { 3281 .cipher = __VECS(des3_ede_tv_template) 3282 } 3283 }, { 3284 .alg = "ecb(fcrypt)", 3285 .test = alg_test_skcipher, 3286 .suite = { 3287 .cipher = { 3288 .vecs = fcrypt_pcbc_tv_template, 3289 .count = 1 3290 } 3291 } 3292 }, { 3293 .alg = "ecb(khazad)", 3294 .test = alg_test_skcipher, 3295 .suite = { 3296 .cipher = __VECS(khazad_tv_template) 3297 } 3298 }, { 3299 /* Same as ecb(aes) except the key is stored in 3300 * hardware secure memory which we reference by index 3301 */ 3302 .alg = "ecb(paes)", 3303 .test = alg_test_null, 3304 .fips_allowed = 1, 3305 }, { 3306 .alg = "ecb(seed)", 3307 .test = alg_test_skcipher, 3308 .suite = { 3309 .cipher = __VECS(seed_tv_template) 3310 } 3311 }, { 3312 .alg = "ecb(serpent)", 3313 .test = alg_test_skcipher, 3314 .suite = { 3315 .cipher = __VECS(serpent_tv_template) 3316 } 3317 }, { 3318 .alg = "ecb(sm4)", 3319 .test = alg_test_skcipher, 3320 .suite = { 3321 .cipher = __VECS(sm4_tv_template) 3322 } 3323 }, { 3324 .alg = "ecb(tea)", 3325 .test = alg_test_skcipher, 3326 .suite = { 3327 .cipher = __VECS(tea_tv_template) 3328 } 3329 }, { 3330 .alg = "ecb(tnepres)", 3331 .test = alg_test_skcipher, 3332 .suite = { 3333 .cipher = __VECS(tnepres_tv_template) 3334 } 3335 }, { 3336 .alg = "ecb(twofish)", 3337 .test = alg_test_skcipher, 3338 .suite = { 3339 .cipher = __VECS(tf_tv_template) 3340 } 3341 }, { 3342 .alg = "ecb(xeta)", 3343 .test = alg_test_skcipher, 3344 .suite = { 3345 .cipher = __VECS(xeta_tv_template) 3346 } 3347 }, { 3348 .alg = "ecb(xtea)", 3349 .test = alg_test_skcipher, 3350 .suite = { 3351 .cipher = __VECS(xtea_tv_template) 3352 } 3353 }, { 3354 .alg = "ecdh", 3355 .test = alg_test_kpp, 3356 .fips_allowed = 1, 3357 .suite = { 3358 .kpp = __VECS(ecdh_tv_template) 3359 } 3360 }, { 3361 .alg = "gcm(aes)", 3362 .test = alg_test_aead, 3363 .fips_allowed = 1, 3364 .suite = { 3365 .aead = __VECS(aes_gcm_tv_template) 3366 } 3367 }, { 3368 .alg = "ghash", 3369 .test = alg_test_hash, 3370 .fips_allowed = 1, 3371 .suite = { 3372 .hash = __VECS(ghash_tv_template) 3373 } 3374 }, { 3375 .alg = "hmac(md5)", 3376 .test = alg_test_hash, 3377 .suite = { 3378 .hash = __VECS(hmac_md5_tv_template) 3379 } 3380 }, { 3381 .alg = "hmac(rmd128)", 3382 .test = alg_test_hash, 3383 .suite = { 3384 .hash = __VECS(hmac_rmd128_tv_template) 3385 } 3386 }, { 3387 .alg = "hmac(rmd160)", 3388 .test = alg_test_hash, 3389 .suite = { 3390 .hash = __VECS(hmac_rmd160_tv_template) 3391 } 3392 }, { 3393 .alg = "hmac(sha1)", 3394 .test = alg_test_hash, 3395 .fips_allowed = 1, 3396 .suite = { 3397 .hash = __VECS(hmac_sha1_tv_template) 3398 } 3399 }, { 3400 .alg = "hmac(sha224)", 3401 .test = alg_test_hash, 3402 .fips_allowed = 1, 3403 .suite = { 3404 .hash = __VECS(hmac_sha224_tv_template) 3405 } 3406 }, { 3407 .alg = "hmac(sha256)", 3408 .test = alg_test_hash, 3409 .fips_allowed = 1, 3410 .suite = { 3411 .hash = __VECS(hmac_sha256_tv_template) 3412 } 3413 }, { 3414 .alg = "hmac(sha3-224)", 3415 .test = alg_test_hash, 3416 .fips_allowed = 1, 3417 .suite = { 3418 .hash = __VECS(hmac_sha3_224_tv_template) 3419 } 3420 }, { 3421 .alg = "hmac(sha3-256)", 3422 .test = alg_test_hash, 3423 .fips_allowed = 1, 3424 .suite = { 3425 .hash = __VECS(hmac_sha3_256_tv_template) 3426 } 3427 }, { 3428 .alg = "hmac(sha3-384)", 3429 .test = alg_test_hash, 3430 .fips_allowed = 1, 3431 .suite = { 3432 .hash = __VECS(hmac_sha3_384_tv_template) 3433 } 3434 }, { 3435 .alg = "hmac(sha3-512)", 3436 .test = alg_test_hash, 3437 .fips_allowed = 1, 3438 .suite = { 3439 .hash = __VECS(hmac_sha3_512_tv_template) 3440 } 3441 }, { 3442 .alg = "hmac(sha384)", 3443 .test = alg_test_hash, 3444 .fips_allowed = 1, 3445 .suite = { 3446 .hash = __VECS(hmac_sha384_tv_template) 3447 } 3448 }, { 3449 .alg = "hmac(sha512)", 3450 .test = alg_test_hash, 3451 .fips_allowed = 1, 3452 .suite = { 3453 .hash = __VECS(hmac_sha512_tv_template) 3454 } 3455 }, { 3456 .alg = "hmac(streebog256)", 3457 .test = alg_test_hash, 3458 .suite = { 3459 .hash = __VECS(hmac_streebog256_tv_template) 3460 } 3461 }, { 3462 .alg = "hmac(streebog512)", 3463 .test = alg_test_hash, 3464 .suite = { 3465 .hash = __VECS(hmac_streebog512_tv_template) 3466 } 3467 }, { 3468 .alg = "jitterentropy_rng", 3469 .fips_allowed = 1, 3470 .test = alg_test_null, 3471 }, { 3472 .alg = "kw(aes)", 3473 .test = alg_test_skcipher, 3474 .fips_allowed = 1, 3475 .suite = { 3476 .cipher = __VECS(aes_kw_tv_template) 3477 } 3478 }, { 3479 .alg = "lrw(aes)", 3480 .test = alg_test_skcipher, 3481 .suite = { 3482 .cipher = __VECS(aes_lrw_tv_template) 3483 } 3484 }, { 3485 .alg = "lrw(camellia)", 3486 .test = alg_test_skcipher, 3487 .suite = { 3488 .cipher = __VECS(camellia_lrw_tv_template) 3489 } 3490 }, { 3491 .alg = "lrw(cast6)", 3492 .test = alg_test_skcipher, 3493 .suite = { 3494 .cipher = __VECS(cast6_lrw_tv_template) 3495 } 3496 }, { 3497 .alg = "lrw(serpent)", 3498 .test = alg_test_skcipher, 3499 .suite = { 3500 .cipher = __VECS(serpent_lrw_tv_template) 3501 } 3502 }, { 3503 .alg = "lrw(twofish)", 3504 .test = alg_test_skcipher, 3505 .suite = { 3506 .cipher = __VECS(tf_lrw_tv_template) 3507 } 3508 }, { 3509 .alg = "lz4", 3510 .test = alg_test_comp, 3511 .fips_allowed = 1, 3512 .suite = { 3513 .comp = { 3514 .comp = __VECS(lz4_comp_tv_template), 3515 .decomp = __VECS(lz4_decomp_tv_template) 3516 } 3517 } 3518 }, { 3519 .alg = "lz4hc", 3520 .test = alg_test_comp, 3521 .fips_allowed = 1, 3522 .suite = { 3523 .comp = { 3524 .comp = __VECS(lz4hc_comp_tv_template), 3525 .decomp = __VECS(lz4hc_decomp_tv_template) 3526 } 3527 } 3528 }, { 3529 .alg = "lzo", 3530 .test = alg_test_comp, 3531 .fips_allowed = 1, 3532 .suite = { 3533 .comp = { 3534 .comp = __VECS(lzo_comp_tv_template), 3535 .decomp = __VECS(lzo_decomp_tv_template) 3536 } 3537 } 3538 }, { 3539 .alg = "md4", 3540 .test = alg_test_hash, 3541 .suite = { 3542 .hash = __VECS(md4_tv_template) 3543 } 3544 }, { 3545 .alg = "md5", 3546 .test = alg_test_hash, 3547 .suite = { 3548 .hash = __VECS(md5_tv_template) 3549 } 3550 }, { 3551 .alg = "michael_mic", 3552 .test = alg_test_hash, 3553 .suite = { 3554 .hash = __VECS(michael_mic_tv_template) 3555 } 3556 }, { 3557 .alg = "morus1280", 3558 .test = alg_test_aead, 3559 .suite = { 3560 .aead = __VECS(morus1280_tv_template) 3561 } 3562 }, { 3563 .alg = "morus640", 3564 .test = alg_test_aead, 3565 .suite = { 3566 .aead = __VECS(morus640_tv_template) 3567 } 3568 }, { 3569 .alg = "nhpoly1305", 3570 .test = alg_test_hash, 3571 .suite = { 3572 .hash = __VECS(nhpoly1305_tv_template) 3573 } 3574 }, { 3575 .alg = "ofb(aes)", 3576 .test = alg_test_skcipher, 3577 .fips_allowed = 1, 3578 .suite = { 3579 .cipher = __VECS(aes_ofb_tv_template) 3580 } 3581 }, { 3582 /* Same as ofb(aes) except the key is stored in 3583 * hardware secure memory which we reference by index 3584 */ 3585 .alg = "ofb(paes)", 3586 .test = alg_test_null, 3587 .fips_allowed = 1, 3588 }, { 3589 .alg = "pcbc(fcrypt)", 3590 .test = alg_test_skcipher, 3591 .suite = { 3592 .cipher = __VECS(fcrypt_pcbc_tv_template) 3593 } 3594 }, { 3595 .alg = "pkcs1pad(rsa,sha224)", 3596 .test = alg_test_null, 3597 .fips_allowed = 1, 3598 }, { 3599 .alg = "pkcs1pad(rsa,sha256)", 3600 .test = alg_test_akcipher, 3601 .fips_allowed = 1, 3602 .suite = { 3603 .akcipher = __VECS(pkcs1pad_rsa_tv_template) 3604 } 3605 }, { 3606 .alg = "pkcs1pad(rsa,sha384)", 3607 .test = alg_test_null, 3608 .fips_allowed = 1, 3609 }, { 3610 .alg = "pkcs1pad(rsa,sha512)", 3611 .test = alg_test_null, 3612 .fips_allowed = 1, 3613 }, { 3614 .alg = "poly1305", 3615 .test = alg_test_hash, 3616 .suite = { 3617 .hash = __VECS(poly1305_tv_template) 3618 } 3619 }, { 3620 .alg = "rfc3686(ctr(aes))", 3621 .test = alg_test_skcipher, 3622 .fips_allowed = 1, 3623 .suite = { 3624 .cipher = __VECS(aes_ctr_rfc3686_tv_template) 3625 } 3626 }, { 3627 .alg = "rfc4106(gcm(aes))", 3628 .test = alg_test_aead, 3629 .fips_allowed = 1, 3630 .suite = { 3631 .aead = __VECS(aes_gcm_rfc4106_tv_template) 3632 } 3633 }, { 3634 .alg = "rfc4309(ccm(aes))", 3635 .test = alg_test_aead, 3636 .fips_allowed = 1, 3637 .suite = { 3638 .aead = __VECS(aes_ccm_rfc4309_tv_template) 3639 } 3640 }, { 3641 .alg = "rfc4543(gcm(aes))", 3642 .test = alg_test_aead, 3643 .suite = { 3644 .aead = __VECS(aes_gcm_rfc4543_tv_template) 3645 } 3646 }, { 3647 .alg = "rfc7539(chacha20,poly1305)", 3648 .test = alg_test_aead, 3649 .suite = { 3650 .aead = __VECS(rfc7539_tv_template) 3651 } 3652 }, { 3653 .alg = "rfc7539esp(chacha20,poly1305)", 3654 .test = alg_test_aead, 3655 .suite = { 3656 .aead = __VECS(rfc7539esp_tv_template) 3657 } 3658 }, { 3659 .alg = "rmd128", 3660 .test = alg_test_hash, 3661 .suite = { 3662 .hash = __VECS(rmd128_tv_template) 3663 } 3664 }, { 3665 .alg = "rmd160", 3666 .test = alg_test_hash, 3667 .suite = { 3668 .hash = __VECS(rmd160_tv_template) 3669 } 3670 }, { 3671 .alg = "rmd256", 3672 .test = alg_test_hash, 3673 .suite = { 3674 .hash = __VECS(rmd256_tv_template) 3675 } 3676 }, { 3677 .alg = "rmd320", 3678 .test = alg_test_hash, 3679 .suite = { 3680 .hash = __VECS(rmd320_tv_template) 3681 } 3682 }, { 3683 .alg = "rsa", 3684 .test = alg_test_akcipher, 3685 .fips_allowed = 1, 3686 .suite = { 3687 .akcipher = __VECS(rsa_tv_template) 3688 } 3689 }, { 3690 .alg = "salsa20", 3691 .test = alg_test_skcipher, 3692 .suite = { 3693 .cipher = __VECS(salsa20_stream_tv_template) 3694 } 3695 }, { 3696 .alg = "sha1", 3697 .test = alg_test_hash, 3698 .fips_allowed = 1, 3699 .suite = { 3700 .hash = __VECS(sha1_tv_template) 3701 } 3702 }, { 3703 .alg = "sha224", 3704 .test = alg_test_hash, 3705 .fips_allowed = 1, 3706 .suite = { 3707 .hash = __VECS(sha224_tv_template) 3708 } 3709 }, { 3710 .alg = "sha256", 3711 .test = alg_test_hash, 3712 .fips_allowed = 1, 3713 .suite = { 3714 .hash = __VECS(sha256_tv_template) 3715 } 3716 }, { 3717 .alg = "sha3-224", 3718 .test = alg_test_hash, 3719 .fips_allowed = 1, 3720 .suite = { 3721 .hash = __VECS(sha3_224_tv_template) 3722 } 3723 }, { 3724 .alg = "sha3-256", 3725 .test = alg_test_hash, 3726 .fips_allowed = 1, 3727 .suite = { 3728 .hash = __VECS(sha3_256_tv_template) 3729 } 3730 }, { 3731 .alg = "sha3-384", 3732 .test = alg_test_hash, 3733 .fips_allowed = 1, 3734 .suite = { 3735 .hash = __VECS(sha3_384_tv_template) 3736 } 3737 }, { 3738 .alg = "sha3-512", 3739 .test = alg_test_hash, 3740 .fips_allowed = 1, 3741 .suite = { 3742 .hash = __VECS(sha3_512_tv_template) 3743 } 3744 }, { 3745 .alg = "sha384", 3746 .test = alg_test_hash, 3747 .fips_allowed = 1, 3748 .suite = { 3749 .hash = __VECS(sha384_tv_template) 3750 } 3751 }, { 3752 .alg = "sha512", 3753 .test = alg_test_hash, 3754 .fips_allowed = 1, 3755 .suite = { 3756 .hash = __VECS(sha512_tv_template) 3757 } 3758 }, { 3759 .alg = "sm3", 3760 .test = alg_test_hash, 3761 .suite = { 3762 .hash = __VECS(sm3_tv_template) 3763 } 3764 }, { 3765 .alg = "streebog256", 3766 .test = alg_test_hash, 3767 .suite = { 3768 .hash = __VECS(streebog256_tv_template) 3769 } 3770 }, { 3771 .alg = "streebog512", 3772 .test = alg_test_hash, 3773 .suite = { 3774 .hash = __VECS(streebog512_tv_template) 3775 } 3776 }, { 3777 .alg = "tgr128", 3778 .test = alg_test_hash, 3779 .suite = { 3780 .hash = __VECS(tgr128_tv_template) 3781 } 3782 }, { 3783 .alg = "tgr160", 3784 .test = alg_test_hash, 3785 .suite = { 3786 .hash = __VECS(tgr160_tv_template) 3787 } 3788 }, { 3789 .alg = "tgr192", 3790 .test = alg_test_hash, 3791 .suite = { 3792 .hash = __VECS(tgr192_tv_template) 3793 } 3794 }, { 3795 .alg = "vmac64(aes)", 3796 .test = alg_test_hash, 3797 .suite = { 3798 .hash = __VECS(vmac64_aes_tv_template) 3799 } 3800 }, { 3801 .alg = "wp256", 3802 .test = alg_test_hash, 3803 .suite = { 3804 .hash = __VECS(wp256_tv_template) 3805 } 3806 }, { 3807 .alg = "wp384", 3808 .test = alg_test_hash, 3809 .suite = { 3810 .hash = __VECS(wp384_tv_template) 3811 } 3812 }, { 3813 .alg = "wp512", 3814 .test = alg_test_hash, 3815 .suite = { 3816 .hash = __VECS(wp512_tv_template) 3817 } 3818 }, { 3819 .alg = "xcbc(aes)", 3820 .test = alg_test_hash, 3821 .suite = { 3822 .hash = __VECS(aes_xcbc128_tv_template) 3823 } 3824 }, { 3825 .alg = "xchacha12", 3826 .test = alg_test_skcipher, 3827 .suite = { 3828 .cipher = __VECS(xchacha12_tv_template) 3829 }, 3830 }, { 3831 .alg = "xchacha20", 3832 .test = alg_test_skcipher, 3833 .suite = { 3834 .cipher = __VECS(xchacha20_tv_template) 3835 }, 3836 }, { 3837 .alg = "xts(aes)", 3838 .test = alg_test_skcipher, 3839 .fips_allowed = 1, 3840 .suite = { 3841 .cipher = __VECS(aes_xts_tv_template) 3842 } 3843 }, { 3844 .alg = "xts(camellia)", 3845 .test = alg_test_skcipher, 3846 .suite = { 3847 .cipher = __VECS(camellia_xts_tv_template) 3848 } 3849 }, { 3850 .alg = "xts(cast6)", 3851 .test = alg_test_skcipher, 3852 .suite = { 3853 .cipher = __VECS(cast6_xts_tv_template) 3854 } 3855 }, { 3856 /* Same as xts(aes) except the key is stored in 3857 * hardware secure memory which we reference by index 3858 */ 3859 .alg = "xts(paes)", 3860 .test = alg_test_null, 3861 .fips_allowed = 1, 3862 }, { 3863 .alg = "xts(serpent)", 3864 .test = alg_test_skcipher, 3865 .suite = { 3866 .cipher = __VECS(serpent_xts_tv_template) 3867 } 3868 }, { 3869 .alg = "xts(twofish)", 3870 .test = alg_test_skcipher, 3871 .suite = { 3872 .cipher = __VECS(tf_xts_tv_template) 3873 } 3874 }, { 3875 .alg = "xts4096(paes)", 3876 .test = alg_test_null, 3877 .fips_allowed = 1, 3878 }, { 3879 .alg = "xts512(paes)", 3880 .test = alg_test_null, 3881 .fips_allowed = 1, 3882 }, { 3883 .alg = "zlib-deflate", 3884 .test = alg_test_comp, 3885 .fips_allowed = 1, 3886 .suite = { 3887 .comp = { 3888 .comp = __VECS(zlib_deflate_comp_tv_template), 3889 .decomp = __VECS(zlib_deflate_decomp_tv_template) 3890 } 3891 } 3892 }, { 3893 .alg = "zstd", 3894 .test = alg_test_comp, 3895 .fips_allowed = 1, 3896 .suite = { 3897 .comp = { 3898 .comp = __VECS(zstd_comp_tv_template), 3899 .decomp = __VECS(zstd_decomp_tv_template) 3900 } 3901 } 3902 } 3903 }; 3904 3905 static void alg_check_test_descs_order(void) 3906 { 3907 int i; 3908 3909 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) { 3910 int diff = strcmp(alg_test_descs[i - 1].alg, 3911 alg_test_descs[i].alg); 3912 3913 if (WARN_ON(diff > 0)) { 3914 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n", 3915 alg_test_descs[i - 1].alg, 3916 alg_test_descs[i].alg); 3917 } 3918 3919 if (WARN_ON(diff == 0)) { 3920 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n", 3921 alg_test_descs[i].alg); 3922 } 3923 } 3924 } 3925 3926 static void alg_check_testvec_configs(void) 3927 { 3928 int i; 3929 3930 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) 3931 WARN_ON(!valid_testvec_config( 3932 &default_cipher_testvec_configs[i])); 3933 3934 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) 3935 WARN_ON(!valid_testvec_config( 3936 &default_hash_testvec_configs[i])); 3937 } 3938 3939 static void testmgr_onetime_init(void) 3940 { 3941 alg_check_test_descs_order(); 3942 alg_check_testvec_configs(); 3943 3944 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS 3945 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n"); 3946 #endif 3947 } 3948 3949 static int alg_find_test(const char *alg) 3950 { 3951 int start = 0; 3952 int end = ARRAY_SIZE(alg_test_descs); 3953 3954 while (start < end) { 3955 int i = (start + end) / 2; 3956 int diff = strcmp(alg_test_descs[i].alg, alg); 3957 3958 if (diff > 0) { 3959 end = i; 3960 continue; 3961 } 3962 3963 if (diff < 0) { 3964 start = i + 1; 3965 continue; 3966 } 3967 3968 return i; 3969 } 3970 3971 return -1; 3972 } 3973 3974 int alg_test(const char *driver, const char *alg, u32 type, u32 mask) 3975 { 3976 int i; 3977 int j; 3978 int rc; 3979 3980 if (!fips_enabled && notests) { 3981 printk_once(KERN_INFO "alg: self-tests disabled\n"); 3982 return 0; 3983 } 3984 3985 DO_ONCE(testmgr_onetime_init); 3986 3987 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) { 3988 char nalg[CRYPTO_MAX_ALG_NAME]; 3989 3990 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= 3991 sizeof(nalg)) 3992 return -ENAMETOOLONG; 3993 3994 i = alg_find_test(nalg); 3995 if (i < 0) 3996 goto notest; 3997 3998 if (fips_enabled && !alg_test_descs[i].fips_allowed) 3999 goto non_fips_alg; 4000 4001 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask); 4002 goto test_done; 4003 } 4004 4005 i = alg_find_test(alg); 4006 j = alg_find_test(driver); 4007 if (i < 0 && j < 0) 4008 goto notest; 4009 4010 if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) || 4011 (j >= 0 && !alg_test_descs[j].fips_allowed))) 4012 goto non_fips_alg; 4013 4014 rc = 0; 4015 if (i >= 0) 4016 rc |= alg_test_descs[i].test(alg_test_descs + i, driver, 4017 type, mask); 4018 if (j >= 0 && j != i) 4019 rc |= alg_test_descs[j].test(alg_test_descs + j, driver, 4020 type, mask); 4021 4022 test_done: 4023 if (fips_enabled && rc) 4024 panic("%s: %s alg self test failed in fips mode!\n", driver, alg); 4025 4026 if (fips_enabled && !rc) 4027 pr_info("alg: self-tests for %s (%s) passed\n", driver, alg); 4028 4029 return rc; 4030 4031 notest: 4032 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver); 4033 return 0; 4034 non_fips_alg: 4035 return -EINVAL; 4036 } 4037 4038 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ 4039 4040 EXPORT_SYMBOL_GPL(alg_test); 4041