1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Algorithm testing framework and tests.
5 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7 * Copyright (c) 2007 Nokia Siemens Networks
8 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9 * Copyright (c) 2019 Google LLC
11 * Updated RFC4106 AES-GCM testing.
12 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13 * Adrian Hoban <adrian.hoban@intel.com>
14 * Gabriele Paoloni <gabriele.paoloni@intel.com>
15 * Tadeusz Struk (tadeusz.struk@intel.com)
16 * Copyright (c) 2010, Intel Corporation.
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
73 * Need slab memory for testing (size in number of pages).
78 * Used by test_cipher()
83 struct aead_test_suite {
84 const struct aead_testvec *vecs;
88 * Set if trying to decrypt an inauthentic ciphertext with this
89 * algorithm might result in EINVAL rather than EBADMSG, due to other
90 * validation the algorithm does on the inputs such as length checks.
92 unsigned int einval_allowed : 1;
95 * Set if this algorithm requires that the IV be located at the end of
96 * the AAD buffer, in addition to being given in the normal way. The
97 * behavior when the two IV copies differ is implementation-defined.
99 unsigned int aad_iv : 1;
102 struct cipher_test_suite {
103 const struct cipher_testvec *vecs;
107 struct comp_test_suite {
109 const struct comp_testvec *vecs;
114 struct hash_test_suite {
115 const struct hash_testvec *vecs;
119 struct cprng_test_suite {
120 const struct cprng_testvec *vecs;
124 struct drbg_test_suite {
125 const struct drbg_testvec *vecs;
129 struct akcipher_test_suite {
130 const struct akcipher_testvec *vecs;
134 struct kpp_test_suite {
135 const struct kpp_testvec *vecs;
139 struct alg_test_desc {
141 const char *generic_driver;
142 int (*test)(const struct alg_test_desc *desc, const char *driver,
144 int fips_allowed; /* set if alg is allowed in fips mode */
147 struct aead_test_suite aead;
148 struct cipher_test_suite cipher;
149 struct comp_test_suite comp;
150 struct hash_test_suite hash;
151 struct cprng_test_suite cprng;
152 struct drbg_test_suite drbg;
153 struct akcipher_test_suite akcipher;
154 struct kpp_test_suite kpp;
158 static void hexdump(unsigned char *buf, unsigned int len)
160 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
169 for (i = 0; i < XBUFSIZE; i++) {
170 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
179 free_pages((unsigned long)buf[i], order);
184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
186 return __testmgr_alloc_buf(buf, 0);
189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
193 for (i = 0; i < XBUFSIZE; i++)
194 free_pages((unsigned long)buf[i], order);
197 static void testmgr_free_buf(char *buf[XBUFSIZE])
199 __testmgr_free_buf(buf, 0);
202 #define TESTMGR_POISON_BYTE 0xfe
203 #define TESTMGR_POISON_LEN 16
205 static inline void testmgr_poison(void *addr, size_t len)
207 memset(addr, TESTMGR_POISON_BYTE, len);
210 /* Is the memory region still fully poisoned? */
211 static inline bool testmgr_is_poison(const void *addr, size_t len)
213 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
216 /* flush type for hash algorithms */
218 /* merge with update of previous buffer(s) */
221 /* update with previous buffer(s) before doing this one */
224 /* likewise, but also export and re-import the intermediate state */
228 /* finalization function for hash algorithms */
229 enum finalization_type {
230 FINALIZATION_TYPE_FINAL, /* use final() */
231 FINALIZATION_TYPE_FINUP, /* use finup() */
232 FINALIZATION_TYPE_DIGEST, /* use digest() */
236 * Whether the crypto operation will occur in-place, and if so whether the
237 * source and destination scatterlist pointers will coincide (req->src ==
238 * req->dst), or whether they'll merely point to two separate scatterlists
239 * (req->src != req->dst) that reference the same underlying memory.
241 * This is only relevant for algorithm types that support in-place operation.
249 #define TEST_SG_TOTAL 10000
252 * struct test_sg_division - description of a scatterlist entry
254 * This struct describes one entry of a scatterlist being constructed to check a
255 * crypto test vector.
257 * @proportion_of_total: length of this chunk relative to the total length,
258 * given as a proportion out of TEST_SG_TOTAL so that it
259 * scales to fit any test vector
260 * @offset: byte offset into a 2-page buffer at which this chunk will start
261 * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
263 * @flush_type: for hashes, whether an update() should be done now vs.
264 * continuing to accumulate data
265 * @nosimd: if doing the pending update(), do it with SIMD disabled?
267 struct test_sg_division {
268 unsigned int proportion_of_total;
270 bool offset_relative_to_alignmask;
271 enum flush_type flush_type;
276 * struct testvec_config - configuration for testing a crypto test vector
278 * This struct describes the data layout and other parameters with which each
279 * crypto test vector can be tested.
281 * @name: name of this config, logged for debugging purposes if a test fails
282 * @inplace_mode: whether and how to operate on the data in-place, if applicable
283 * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
284 * @src_divs: description of how to arrange the source scatterlist
285 * @dst_divs: description of how to arrange the dst scatterlist, if applicable
286 * for the algorithm type. Defaults to @src_divs if unset.
287 * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
288 * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
289 * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
291 * @key_offset: misalignment of the key, where 0 is default alignment
292 * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
294 * @finalization_type: what finalization function to use for hashes
295 * @nosimd: execute with SIMD disabled? Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
297 struct testvec_config {
299 enum inplace_mode inplace_mode;
301 struct test_sg_division src_divs[XBUFSIZE];
302 struct test_sg_division dst_divs[XBUFSIZE];
303 unsigned int iv_offset;
304 unsigned int key_offset;
305 bool iv_offset_relative_to_alignmask;
306 bool key_offset_relative_to_alignmask;
307 enum finalization_type finalization_type;
311 #define TESTVEC_CONFIG_NAMELEN 192
314 * The following are the lists of testvec_configs to test for each algorithm
315 * type when the basic crypto self-tests are enabled, i.e. when
316 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test
317 * coverage, while keeping the test time much shorter than the full fuzz tests
318 * so that the basic tests can be enabled in a wider range of circumstances.
321 /* Configs for skciphers and aeads */
322 static const struct testvec_config default_cipher_testvec_configs[] = {
324 .name = "in-place (one sglist)",
325 .inplace_mode = INPLACE_ONE_SGLIST,
326 .src_divs = { { .proportion_of_total = 10000 } },
328 .name = "in-place (two sglists)",
329 .inplace_mode = INPLACE_TWO_SGLISTS,
330 .src_divs = { { .proportion_of_total = 10000 } },
332 .name = "out-of-place",
333 .inplace_mode = OUT_OF_PLACE,
334 .src_divs = { { .proportion_of_total = 10000 } },
336 .name = "unaligned buffer, offset=1",
337 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
341 .name = "buffer aligned only to alignmask",
344 .proportion_of_total = 10000,
346 .offset_relative_to_alignmask = true,
350 .iv_offset_relative_to_alignmask = true,
352 .key_offset_relative_to_alignmask = true,
354 .name = "two even aligned splits",
356 { .proportion_of_total = 5000 },
357 { .proportion_of_total = 5000 },
360 .name = "uneven misaligned splits, may sleep",
361 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
363 { .proportion_of_total = 1900, .offset = 33 },
364 { .proportion_of_total = 3300, .offset = 7 },
365 { .proportion_of_total = 4800, .offset = 18 },
370 .name = "misaligned splits crossing pages, inplace",
371 .inplace_mode = INPLACE_ONE_SGLIST,
374 .proportion_of_total = 7500,
375 .offset = PAGE_SIZE - 32
377 .proportion_of_total = 2500,
378 .offset = PAGE_SIZE - 7
384 static const struct testvec_config default_hash_testvec_configs[] = {
386 .name = "init+update+final aligned buffer",
387 .src_divs = { { .proportion_of_total = 10000 } },
388 .finalization_type = FINALIZATION_TYPE_FINAL,
390 .name = "init+finup aligned buffer",
391 .src_divs = { { .proportion_of_total = 10000 } },
392 .finalization_type = FINALIZATION_TYPE_FINUP,
394 .name = "digest aligned buffer",
395 .src_divs = { { .proportion_of_total = 10000 } },
396 .finalization_type = FINALIZATION_TYPE_DIGEST,
398 .name = "init+update+final misaligned buffer",
399 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
400 .finalization_type = FINALIZATION_TYPE_FINAL,
403 .name = "digest buffer aligned only to alignmask",
406 .proportion_of_total = 10000,
408 .offset_relative_to_alignmask = true,
411 .finalization_type = FINALIZATION_TYPE_DIGEST,
413 .key_offset_relative_to_alignmask = true,
415 .name = "init+update+update+final two even splits",
417 { .proportion_of_total = 5000 },
419 .proportion_of_total = 5000,
420 .flush_type = FLUSH_TYPE_FLUSH,
423 .finalization_type = FINALIZATION_TYPE_FINAL,
425 .name = "digest uneven misaligned splits, may sleep",
426 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
428 { .proportion_of_total = 1900, .offset = 33 },
429 { .proportion_of_total = 3300, .offset = 7 },
430 { .proportion_of_total = 4800, .offset = 18 },
432 .finalization_type = FINALIZATION_TYPE_DIGEST,
434 .name = "digest misaligned splits crossing pages",
437 .proportion_of_total = 7500,
438 .offset = PAGE_SIZE - 32,
440 .proportion_of_total = 2500,
441 .offset = PAGE_SIZE - 7,
444 .finalization_type = FINALIZATION_TYPE_DIGEST,
446 .name = "import/export",
449 .proportion_of_total = 6500,
450 .flush_type = FLUSH_TYPE_REIMPORT,
452 .proportion_of_total = 3500,
453 .flush_type = FLUSH_TYPE_REIMPORT,
456 .finalization_type = FINALIZATION_TYPE_FINAL,
460 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
462 unsigned int remaining = TEST_SG_TOTAL;
463 unsigned int ndivs = 0;
466 remaining -= divs[ndivs++].proportion_of_total;
472 #define SGDIVS_HAVE_FLUSHES BIT(0)
473 #define SGDIVS_HAVE_NOSIMD BIT(1)
475 static bool valid_sg_divisions(const struct test_sg_division *divs,
476 unsigned int count, int *flags_ret)
478 unsigned int total = 0;
481 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
482 if (divs[i].proportion_of_total <= 0 ||
483 divs[i].proportion_of_total > TEST_SG_TOTAL - total)
485 total += divs[i].proportion_of_total;
486 if (divs[i].flush_type != FLUSH_TYPE_NONE)
487 *flags_ret |= SGDIVS_HAVE_FLUSHES;
489 *flags_ret |= SGDIVS_HAVE_NOSIMD;
491 return total == TEST_SG_TOTAL &&
492 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
496 * Check whether the given testvec_config is valid. This isn't strictly needed
497 * since every testvec_config should be valid, but check anyway so that people
498 * don't unknowingly add broken configs that don't do what they wanted.
500 static bool valid_testvec_config(const struct testvec_config *cfg)
504 if (cfg->name == NULL)
507 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
511 if (cfg->dst_divs[0].proportion_of_total) {
512 if (!valid_sg_divisions(cfg->dst_divs,
513 ARRAY_SIZE(cfg->dst_divs), &flags))
516 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
518 /* defaults to dst_divs=src_divs */
522 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
523 MAX_ALGAPI_ALIGNMASK + 1)
526 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
527 cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
530 if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
531 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
538 char *bufs[XBUFSIZE];
539 struct scatterlist sgl[XBUFSIZE];
540 struct scatterlist sgl_saved[XBUFSIZE];
541 struct scatterlist *sgl_ptr;
545 static int init_test_sglist(struct test_sglist *tsgl)
547 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
550 static void destroy_test_sglist(struct test_sglist *tsgl)
552 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
556 * build_test_sglist() - build a scatterlist for a crypto test
558 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page
559 * buffers which the scatterlist @tsgl->sgl[] will be made to point into.
560 * @divs: the layout specification on which the scatterlist will be based
561 * @alignmask: the algorithm's alignmask
562 * @total_len: the total length of the scatterlist to build in bytes
563 * @data: if non-NULL, the buffers will be filled with this data until it ends.
564 * Otherwise the buffers will be poisoned. In both cases, some bytes
565 * past the end of each buffer will be poisoned to help detect overruns.
566 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
567 * corresponds will be returned here. This will match @divs except
568 * that divisions resolving to a length of 0 are omitted as they are
569 * not included in the scatterlist.
571 * Return: 0 or a -errno value
573 static int build_test_sglist(struct test_sglist *tsgl,
574 const struct test_sg_division *divs,
575 const unsigned int alignmask,
576 const unsigned int total_len,
577 struct iov_iter *data,
578 const struct test_sg_division *out_divs[XBUFSIZE])
581 const struct test_sg_division *div;
583 } partitions[XBUFSIZE];
584 const unsigned int ndivs = count_test_sg_divisions(divs);
585 unsigned int len_remaining = total_len;
588 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
589 if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
592 /* Calculate the (div, length) pairs */
594 for (i = 0; i < ndivs; i++) {
595 unsigned int len_this_sg =
597 (total_len * divs[i].proportion_of_total +
598 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
600 if (len_this_sg != 0) {
601 partitions[tsgl->nents].div = &divs[i];
602 partitions[tsgl->nents].length = len_this_sg;
604 len_remaining -= len_this_sg;
607 if (tsgl->nents == 0) {
608 partitions[tsgl->nents].div = &divs[0];
609 partitions[tsgl->nents].length = 0;
612 partitions[tsgl->nents - 1].length += len_remaining;
614 /* Set up the sgl entries and fill the data or poison */
615 sg_init_table(tsgl->sgl, tsgl->nents);
616 for (i = 0; i < tsgl->nents; i++) {
617 unsigned int offset = partitions[i].div->offset;
620 if (partitions[i].div->offset_relative_to_alignmask)
623 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
625 if (WARN_ON(offset <= 0))
630 addr = &tsgl->bufs[i][offset];
631 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
634 out_divs[i] = partitions[i].div;
637 size_t copy_len, copied;
639 copy_len = min(partitions[i].length, data->count);
640 copied = copy_from_iter(addr, copy_len, data);
641 if (WARN_ON(copied != copy_len))
643 testmgr_poison(addr + copy_len, partitions[i].length +
644 TESTMGR_POISON_LEN - copy_len);
646 testmgr_poison(addr, partitions[i].length +
651 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
652 tsgl->sgl_ptr = tsgl->sgl;
653 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
658 * Verify that a scatterlist crypto operation produced the correct output.
660 * @tsgl: scatterlist containing the actual output
661 * @expected_output: buffer containing the expected output
662 * @len_to_check: length of @expected_output in bytes
663 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
664 * @check_poison: verify that the poison bytes after each chunk are intact?
666 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
668 static int verify_correct_output(const struct test_sglist *tsgl,
669 const char *expected_output,
670 unsigned int len_to_check,
671 unsigned int unchecked_prefix_len,
676 for (i = 0; i < tsgl->nents; i++) {
677 struct scatterlist *sg = &tsgl->sgl_ptr[i];
678 unsigned int len = sg->length;
679 unsigned int offset = sg->offset;
680 const char *actual_output;
682 if (unchecked_prefix_len) {
683 if (unchecked_prefix_len >= len) {
684 unchecked_prefix_len -= len;
687 offset += unchecked_prefix_len;
688 len -= unchecked_prefix_len;
689 unchecked_prefix_len = 0;
691 len = min(len, len_to_check);
692 actual_output = page_address(sg_page(sg)) + offset;
693 if (memcmp(expected_output, actual_output, len) != 0)
696 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
699 expected_output += len;
701 if (WARN_ON(len_to_check != 0))
706 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
710 for (i = 0; i < tsgl->nents; i++) {
711 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
713 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
715 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
721 struct cipher_test_sglists {
722 struct test_sglist src;
723 struct test_sglist dst;
726 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
728 struct cipher_test_sglists *tsgls;
730 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
734 if (init_test_sglist(&tsgls->src) != 0)
736 if (init_test_sglist(&tsgls->dst) != 0)
737 goto fail_destroy_src;
742 destroy_test_sglist(&tsgls->src);
748 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
751 destroy_test_sglist(&tsgls->src);
752 destroy_test_sglist(&tsgls->dst);
757 /* Build the src and dst scatterlists for an skcipher or AEAD test */
758 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
759 const struct testvec_config *cfg,
760 unsigned int alignmask,
761 unsigned int src_total_len,
762 unsigned int dst_total_len,
763 const struct kvec *inputs,
764 unsigned int nr_inputs)
766 struct iov_iter input;
769 iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
770 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
771 cfg->inplace_mode != OUT_OF_PLACE ?
772 max(dst_total_len, src_total_len) :
779 * In-place crypto operations can use the same scatterlist for both the
780 * source and destination (req->src == req->dst), or can use separate
781 * scatterlists (req->src != req->dst) which point to the same
782 * underlying memory. Make sure to test both cases.
784 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
785 tsgls->dst.sgl_ptr = tsgls->src.sgl;
786 tsgls->dst.nents = tsgls->src.nents;
789 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
791 * For now we keep it simple and only test the case where the
792 * two scatterlists have identical entries, rather than
793 * different entries that split up the same memory differently.
795 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
796 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
797 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
798 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
799 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
800 tsgls->dst.nents = tsgls->src.nents;
804 return build_test_sglist(&tsgls->dst,
805 cfg->dst_divs[0].proportion_of_total ?
806 cfg->dst_divs : cfg->src_divs,
807 alignmask, dst_total_len, NULL, NULL);
811 * Support for testing passing a misaligned key to setkey():
813 * If cfg->key_offset is set, copy the key into a new buffer at that offset,
814 * optionally adding alignmask. Else, just use the key directly.
816 static int prepare_keybuf(const u8 *key, unsigned int ksize,
817 const struct testvec_config *cfg,
818 unsigned int alignmask,
819 const u8 **keybuf_ret, const u8 **keyptr_ret)
821 unsigned int key_offset = cfg->key_offset;
822 u8 *keybuf = NULL, *keyptr = (u8 *)key;
824 if (key_offset != 0) {
825 if (cfg->key_offset_relative_to_alignmask)
826 key_offset += alignmask;
827 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
830 keyptr = keybuf + key_offset;
831 memcpy(keyptr, key, ksize);
833 *keybuf_ret = keybuf;
834 *keyptr_ret = keyptr;
838 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
839 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \
841 const u8 *keybuf, *keyptr; \
844 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \
847 err = setkey_f((tfm), keyptr, (ksize)); \
853 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
855 /* Generate a random length in range [0, max_len], but prefer smaller values */
856 static unsigned int generate_random_length(unsigned int max_len)
858 unsigned int len = get_random_u32_below(max_len + 1);
860 switch (get_random_u32_below(4)) {
872 /* Flip a random bit in the given nonempty data buffer */
873 static void flip_random_bit(u8 *buf, size_t size)
877 bitpos = get_random_u32_below(size * 8);
878 buf[bitpos / 8] ^= 1 << (bitpos % 8);
881 /* Flip a random byte in the given nonempty data buffer */
882 static void flip_random_byte(u8 *buf, size_t size)
884 buf[get_random_u32_below(size)] ^= 0xff;
887 /* Sometimes make some random changes to the given nonempty data buffer */
888 static void mutate_buffer(u8 *buf, size_t size)
893 /* Sometimes flip some bits */
894 if (get_random_u32_below(4) == 0) {
895 num_flips = min_t(size_t, 1 << get_random_u32_below(8), size * 8);
896 for (i = 0; i < num_flips; i++)
897 flip_random_bit(buf, size);
900 /* Sometimes flip some bytes */
901 if (get_random_u32_below(4) == 0) {
902 num_flips = min_t(size_t, 1 << get_random_u32_below(8), size);
903 for (i = 0; i < num_flips; i++)
904 flip_random_byte(buf, size);
908 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
909 static void generate_random_bytes(u8 *buf, size_t count)
918 switch (get_random_u32_below(8)) { /* Choose a generation strategy */
921 /* All the same byte, plus optional mutations */
922 switch (get_random_u32_below(4)) {
933 memset(buf, b, count);
934 mutate_buffer(buf, count);
937 /* Ascending or descending bytes, plus optional mutations */
938 increment = get_random_u8();
940 for (i = 0; i < count; i++, b += increment)
942 mutate_buffer(buf, count);
945 /* Fully random bytes */
946 for (i = 0; i < count; i++)
947 buf[i] = get_random_u8();
951 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
952 size_t max_divs, char *p, char *end,
953 bool gen_flushes, u32 req_flags)
955 struct test_sg_division *div = divs;
956 unsigned int remaining = TEST_SG_TOTAL;
959 unsigned int this_len;
960 const char *flushtype_str;
962 if (div == &divs[max_divs - 1] || get_random_u32_below(2) == 0)
963 this_len = remaining;
965 this_len = get_random_u32_inclusive(1, remaining);
966 div->proportion_of_total = this_len;
968 if (get_random_u32_below(4) == 0)
969 div->offset = get_random_u32_inclusive(PAGE_SIZE - 128, PAGE_SIZE - 1);
970 else if (get_random_u32_below(2) == 0)
971 div->offset = get_random_u32_below(32);
973 div->offset = get_random_u32_below(PAGE_SIZE);
974 if (get_random_u32_below(8) == 0)
975 div->offset_relative_to_alignmask = true;
977 div->flush_type = FLUSH_TYPE_NONE;
979 switch (get_random_u32_below(4)) {
981 div->flush_type = FLUSH_TYPE_REIMPORT;
984 div->flush_type = FLUSH_TYPE_FLUSH;
989 if (div->flush_type != FLUSH_TYPE_NONE &&
990 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
991 get_random_u32_below(2) == 0)
994 switch (div->flush_type) {
995 case FLUSH_TYPE_FLUSH:
997 flushtype_str = "<flush,nosimd>";
999 flushtype_str = "<flush>";
1001 case FLUSH_TYPE_REIMPORT:
1003 flushtype_str = "<reimport,nosimd>";
1005 flushtype_str = "<reimport>";
1012 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1013 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1014 this_len / 100, this_len % 100,
1015 div->offset_relative_to_alignmask ?
1017 div->offset, this_len == remaining ? "" : ", ");
1018 remaining -= this_len;
1020 } while (remaining);
1025 /* Generate a random testvec_config for fuzz testing */
1026 static void generate_random_testvec_config(struct testvec_config *cfg,
1027 char *name, size_t max_namelen)
1030 char * const end = name + max_namelen;
1032 memset(cfg, 0, sizeof(*cfg));
1036 p += scnprintf(p, end - p, "random:");
1038 switch (get_random_u32_below(4)) {
1041 cfg->inplace_mode = OUT_OF_PLACE;
1044 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1045 p += scnprintf(p, end - p, " inplace_one_sglist");
1048 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1049 p += scnprintf(p, end - p, " inplace_two_sglists");
1053 if (get_random_u32_below(2) == 0) {
1054 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1055 p += scnprintf(p, end - p, " may_sleep");
1058 switch (get_random_u32_below(4)) {
1060 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1061 p += scnprintf(p, end - p, " use_final");
1064 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1065 p += scnprintf(p, end - p, " use_finup");
1068 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1069 p += scnprintf(p, end - p, " use_digest");
1073 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1074 get_random_u32_below(2) == 0) {
1076 p += scnprintf(p, end - p, " nosimd");
1079 p += scnprintf(p, end - p, " src_divs=[");
1080 p = generate_random_sgl_divisions(cfg->src_divs,
1081 ARRAY_SIZE(cfg->src_divs), p, end,
1082 (cfg->finalization_type !=
1083 FINALIZATION_TYPE_DIGEST),
1085 p += scnprintf(p, end - p, "]");
1087 if (cfg->inplace_mode == OUT_OF_PLACE && get_random_u32_below(2) == 0) {
1088 p += scnprintf(p, end - p, " dst_divs=[");
1089 p = generate_random_sgl_divisions(cfg->dst_divs,
1090 ARRAY_SIZE(cfg->dst_divs),
1093 p += scnprintf(p, end - p, "]");
1096 if (get_random_u32_below(2) == 0) {
1097 cfg->iv_offset = get_random_u32_inclusive(1, MAX_ALGAPI_ALIGNMASK);
1098 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1101 if (get_random_u32_below(2) == 0) {
1102 cfg->key_offset = get_random_u32_inclusive(1, MAX_ALGAPI_ALIGNMASK);
1103 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1106 WARN_ON_ONCE(!valid_testvec_config(cfg));
1109 static void crypto_disable_simd_for_test(void)
1112 __this_cpu_write(crypto_simd_disabled_for_test, true);
1115 static void crypto_reenable_simd_for_test(void)
1117 __this_cpu_write(crypto_simd_disabled_for_test, false);
1122 * Given an algorithm name, build the name of the generic implementation of that
1123 * algorithm, assuming the usual naming convention. Specifically, this appends
1124 * "-generic" to every part of the name that is not a template name. Examples:
1126 * aes => aes-generic
1127 * cbc(aes) => cbc(aes-generic)
1128 * cts(cbc(aes)) => cts(cbc(aes-generic))
1129 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1131 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1133 static int build_generic_driver_name(const char *algname,
1134 char driver_name[CRYPTO_MAX_ALG_NAME])
1136 const char *in = algname;
1137 char *out = driver_name;
1138 size_t len = strlen(algname);
1140 if (len >= CRYPTO_MAX_ALG_NAME)
1143 const char *in_saved = in;
1145 while (*in && *in != '(' && *in != ')' && *in != ',')
1147 if (*in != '(' && in > in_saved) {
1149 if (len >= CRYPTO_MAX_ALG_NAME)
1151 memcpy(out, "-generic", 8);
1154 } while ((*out++ = *in++) != '\0');
1158 pr_err("alg: generic driver name for \"%s\" would be too long\n",
1160 return -ENAMETOOLONG;
1162 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1163 static void crypto_disable_simd_for_test(void)
1167 static void crypto_reenable_simd_for_test(void)
1170 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1172 static int build_hash_sglist(struct test_sglist *tsgl,
1173 const struct hash_testvec *vec,
1174 const struct testvec_config *cfg,
1175 unsigned int alignmask,
1176 const struct test_sg_division *divs[XBUFSIZE])
1179 struct iov_iter input;
1181 kv.iov_base = (void *)vec->plaintext;
1182 kv.iov_len = vec->psize;
1183 iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1184 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1188 static int check_hash_result(const char *type,
1189 const u8 *result, unsigned int digestsize,
1190 const struct hash_testvec *vec,
1191 const char *vec_name,
1193 const struct testvec_config *cfg)
1195 if (memcmp(result, vec->digest, digestsize) != 0) {
1196 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1197 type, driver, vec_name, cfg->name);
1200 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1201 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1202 type, driver, vec_name, cfg->name);
1208 static inline int check_shash_op(const char *op, int err,
1209 const char *driver, const char *vec_name,
1210 const struct testvec_config *cfg)
1213 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1214 driver, op, err, vec_name, cfg->name);
1218 /* Test one hash test vector in one configuration, using the shash API */
1219 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1220 const char *vec_name,
1221 const struct testvec_config *cfg,
1222 struct shash_desc *desc,
1223 struct test_sglist *tsgl,
1226 struct crypto_shash *tfm = desc->tfm;
1227 const unsigned int alignmask = crypto_shash_alignmask(tfm);
1228 const unsigned int digestsize = crypto_shash_digestsize(tfm);
1229 const unsigned int statesize = crypto_shash_statesize(tfm);
1230 const char *driver = crypto_shash_driver_name(tfm);
1231 const struct test_sg_division *divs[XBUFSIZE];
1233 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1236 /* Set the key, if specified */
1238 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1241 if (err == vec->setkey_error)
1243 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1244 driver, vec_name, vec->setkey_error, err,
1245 crypto_shash_get_flags(tfm));
1248 if (vec->setkey_error) {
1249 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1250 driver, vec_name, vec->setkey_error);
1255 /* Build the scatterlist for the source data */
1256 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1258 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1259 driver, vec_name, cfg->name);
1263 /* Do the actual hashing */
1265 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1266 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1268 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1269 vec->digest_error) {
1270 /* Just using digest() */
1271 if (tsgl->nents != 1)
1274 crypto_disable_simd_for_test();
1275 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1276 tsgl->sgl[0].length, result);
1278 crypto_reenable_simd_for_test();
1280 if (err == vec->digest_error)
1282 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1283 driver, vec_name, vec->digest_error, err,
1287 if (vec->digest_error) {
1288 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1289 driver, vec_name, vec->digest_error, cfg->name);
1295 /* Using init(), zero or more update(), then final() or finup() */
1298 crypto_disable_simd_for_test();
1299 err = crypto_shash_init(desc);
1301 crypto_reenable_simd_for_test();
1302 err = check_shash_op("init", err, driver, vec_name, cfg);
1306 for (i = 0; i < tsgl->nents; i++) {
1307 if (i + 1 == tsgl->nents &&
1308 cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1309 if (divs[i]->nosimd)
1310 crypto_disable_simd_for_test();
1311 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1312 tsgl->sgl[i].length, result);
1313 if (divs[i]->nosimd)
1314 crypto_reenable_simd_for_test();
1315 err = check_shash_op("finup", err, driver, vec_name,
1321 if (divs[i]->nosimd)
1322 crypto_disable_simd_for_test();
1323 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1324 tsgl->sgl[i].length);
1325 if (divs[i]->nosimd)
1326 crypto_reenable_simd_for_test();
1327 err = check_shash_op("update", err, driver, vec_name, cfg);
1330 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1331 /* Test ->export() and ->import() */
1332 testmgr_poison(hashstate + statesize,
1333 TESTMGR_POISON_LEN);
1334 err = crypto_shash_export(desc, hashstate);
1335 err = check_shash_op("export", err, driver, vec_name,
1339 if (!testmgr_is_poison(hashstate + statesize,
1340 TESTMGR_POISON_LEN)) {
1341 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1342 driver, vec_name, cfg->name);
1345 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1346 err = crypto_shash_import(desc, hashstate);
1347 err = check_shash_op("import", err, driver, vec_name,
1355 crypto_disable_simd_for_test();
1356 err = crypto_shash_final(desc, result);
1358 crypto_reenable_simd_for_test();
1359 err = check_shash_op("final", err, driver, vec_name, cfg);
1363 return check_hash_result("shash", result, digestsize, vec, vec_name,
1367 static int do_ahash_op(int (*op)(struct ahash_request *req),
1368 struct ahash_request *req,
1369 struct crypto_wait *wait, bool nosimd)
1374 crypto_disable_simd_for_test();
1379 crypto_reenable_simd_for_test();
1381 return crypto_wait_req(err, wait);
1384 static int check_nonfinal_ahash_op(const char *op, int err,
1385 u8 *result, unsigned int digestsize,
1386 const char *driver, const char *vec_name,
1387 const struct testvec_config *cfg)
1390 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1391 driver, op, err, vec_name, cfg->name);
1394 if (!testmgr_is_poison(result, digestsize)) {
1395 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1396 driver, op, vec_name, cfg->name);
1402 /* Test one hash test vector in one configuration, using the ahash API */
1403 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1404 const char *vec_name,
1405 const struct testvec_config *cfg,
1406 struct ahash_request *req,
1407 struct test_sglist *tsgl,
1410 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1411 const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1412 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1413 const unsigned int statesize = crypto_ahash_statesize(tfm);
1414 const char *driver = crypto_ahash_driver_name(tfm);
1415 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1416 const struct test_sg_division *divs[XBUFSIZE];
1417 DECLARE_CRYPTO_WAIT(wait);
1419 struct scatterlist *pending_sgl;
1420 unsigned int pending_len;
1421 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1424 /* Set the key, if specified */
1426 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1429 if (err == vec->setkey_error)
1431 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1432 driver, vec_name, vec->setkey_error, err,
1433 crypto_ahash_get_flags(tfm));
1436 if (vec->setkey_error) {
1437 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1438 driver, vec_name, vec->setkey_error);
1443 /* Build the scatterlist for the source data */
1444 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1446 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1447 driver, vec_name, cfg->name);
1451 /* Do the actual hashing */
1453 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1454 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1456 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1457 vec->digest_error) {
1458 /* Just using digest() */
1459 ahash_request_set_callback(req, req_flags, crypto_req_done,
1461 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1462 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1464 if (err == vec->digest_error)
1466 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1467 driver, vec_name, vec->digest_error, err,
1471 if (vec->digest_error) {
1472 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1473 driver, vec_name, vec->digest_error, cfg->name);
1479 /* Using init(), zero or more update(), then final() or finup() */
1481 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1482 ahash_request_set_crypt(req, NULL, result, 0);
1483 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1484 err = check_nonfinal_ahash_op("init", err, result, digestsize,
1485 driver, vec_name, cfg);
1491 for (i = 0; i < tsgl->nents; i++) {
1492 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1493 pending_sgl != NULL) {
1494 /* update() with the pending data */
1495 ahash_request_set_callback(req, req_flags,
1496 crypto_req_done, &wait);
1497 ahash_request_set_crypt(req, pending_sgl, result,
1499 err = do_ahash_op(crypto_ahash_update, req, &wait,
1501 err = check_nonfinal_ahash_op("update", err,
1503 driver, vec_name, cfg);
1509 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1510 /* Test ->export() and ->import() */
1511 testmgr_poison(hashstate + statesize,
1512 TESTMGR_POISON_LEN);
1513 err = crypto_ahash_export(req, hashstate);
1514 err = check_nonfinal_ahash_op("export", err,
1516 driver, vec_name, cfg);
1519 if (!testmgr_is_poison(hashstate + statesize,
1520 TESTMGR_POISON_LEN)) {
1521 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1522 driver, vec_name, cfg->name);
1526 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1527 err = crypto_ahash_import(req, hashstate);
1528 err = check_nonfinal_ahash_op("import", err,
1530 driver, vec_name, cfg);
1534 if (pending_sgl == NULL)
1535 pending_sgl = &tsgl->sgl[i];
1536 pending_len += tsgl->sgl[i].length;
1539 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1540 ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1541 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1542 /* finish with update() and final() */
1543 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1544 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1545 driver, vec_name, cfg);
1548 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1550 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1551 driver, err, vec_name, cfg->name);
1555 /* finish with finup() */
1556 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1558 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1559 driver, err, vec_name, cfg->name);
1565 return check_hash_result("ahash", result, digestsize, vec, vec_name,
1569 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1570 const char *vec_name,
1571 const struct testvec_config *cfg,
1572 struct ahash_request *req,
1573 struct shash_desc *desc,
1574 struct test_sglist *tsgl,
1580 * For algorithms implemented as "shash", most bugs will be detected by
1581 * both the shash and ahash tests. Test the shash API first so that the
1582 * failures involve less indirection, so are easier to debug.
1586 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1592 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1595 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1596 struct ahash_request *req, struct shash_desc *desc,
1597 struct test_sglist *tsgl, u8 *hashstate)
1603 sprintf(vec_name, "%u", vec_num);
1605 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1606 err = test_hash_vec_cfg(vec, vec_name,
1607 &default_hash_testvec_configs[i],
1608 req, desc, tsgl, hashstate);
1613 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1614 if (!noextratests) {
1615 struct testvec_config cfg;
1616 char cfgname[TESTVEC_CONFIG_NAMELEN];
1618 for (i = 0; i < fuzz_iterations; i++) {
1619 generate_random_testvec_config(&cfg, cfgname,
1621 err = test_hash_vec_cfg(vec, vec_name, &cfg,
1622 req, desc, tsgl, hashstate);
1632 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1634 * Generate a hash test vector from the given implementation.
1635 * Assumes the buffers in 'vec' were already allocated.
1637 static void generate_random_hash_testvec(struct shash_desc *desc,
1638 struct hash_testvec *vec,
1639 unsigned int maxkeysize,
1640 unsigned int maxdatasize,
1641 char *name, size_t max_namelen)
1644 vec->psize = generate_random_length(maxdatasize);
1645 generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1648 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1649 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1651 vec->setkey_error = 0;
1654 vec->ksize = maxkeysize;
1655 if (get_random_u32_below(4) == 0)
1656 vec->ksize = get_random_u32_inclusive(1, maxkeysize);
1657 generate_random_bytes((u8 *)vec->key, vec->ksize);
1659 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1661 /* If the key couldn't be set, no need to continue to digest. */
1662 if (vec->setkey_error)
1667 vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1668 vec->psize, (u8 *)vec->digest);
1670 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1671 vec->psize, vec->ksize);
1675 * Test the hash algorithm represented by @req against the corresponding generic
1676 * implementation, if one is available.
1678 static int test_hash_vs_generic_impl(const char *generic_driver,
1679 unsigned int maxkeysize,
1680 struct ahash_request *req,
1681 struct shash_desc *desc,
1682 struct test_sglist *tsgl,
1685 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1686 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1687 const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1688 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1689 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1690 const char *driver = crypto_ahash_driver_name(tfm);
1691 char _generic_driver[CRYPTO_MAX_ALG_NAME];
1692 struct crypto_shash *generic_tfm = NULL;
1693 struct shash_desc *generic_desc = NULL;
1695 struct hash_testvec vec = { 0 };
1697 struct testvec_config *cfg;
1698 char cfgname[TESTVEC_CONFIG_NAMELEN];
1704 if (!generic_driver) { /* Use default naming convention? */
1705 err = build_generic_driver_name(algname, _generic_driver);
1708 generic_driver = _generic_driver;
1711 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1714 generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1715 if (IS_ERR(generic_tfm)) {
1716 err = PTR_ERR(generic_tfm);
1717 if (err == -ENOENT) {
1718 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1719 driver, generic_driver);
1722 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1723 generic_driver, algname, err);
1727 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1733 generic_desc = kzalloc(sizeof(*desc) +
1734 crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1735 if (!generic_desc) {
1739 generic_desc->tfm = generic_tfm;
1741 /* Check the algorithm properties for consistency. */
1743 if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1744 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1746 crypto_shash_digestsize(generic_tfm));
1751 if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1752 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1753 driver, blocksize, crypto_shash_blocksize(generic_tfm));
1759 * Now generate test vectors using the generic implementation, and test
1760 * the other implementation against them.
1763 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1764 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1765 vec.digest = kmalloc(digestsize, GFP_KERNEL);
1766 if (!vec.key || !vec.plaintext || !vec.digest) {
1771 for (i = 0; i < fuzz_iterations * 8; i++) {
1772 generate_random_hash_testvec(generic_desc, &vec,
1773 maxkeysize, maxdatasize,
1774 vec_name, sizeof(vec_name));
1775 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1777 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1778 req, desc, tsgl, hashstate);
1787 kfree(vec.plaintext);
1789 crypto_free_shash(generic_tfm);
1790 kfree_sensitive(generic_desc);
1793 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1794 static int test_hash_vs_generic_impl(const char *generic_driver,
1795 unsigned int maxkeysize,
1796 struct ahash_request *req,
1797 struct shash_desc *desc,
1798 struct test_sglist *tsgl,
1803 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1805 static int alloc_shash(const char *driver, u32 type, u32 mask,
1806 struct crypto_shash **tfm_ret,
1807 struct shash_desc **desc_ret)
1809 struct crypto_shash *tfm;
1810 struct shash_desc *desc;
1812 tfm = crypto_alloc_shash(driver, type, mask);
1814 if (PTR_ERR(tfm) == -ENOENT) {
1816 * This algorithm is only available through the ahash
1817 * API, not the shash API, so skip the shash tests.
1821 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1822 driver, PTR_ERR(tfm));
1823 return PTR_ERR(tfm);
1826 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1828 crypto_free_shash(tfm);
1838 static int __alg_test_hash(const struct hash_testvec *vecs,
1839 unsigned int num_vecs, const char *driver,
1841 const char *generic_driver, unsigned int maxkeysize)
1843 struct crypto_ahash *atfm = NULL;
1844 struct ahash_request *req = NULL;
1845 struct crypto_shash *stfm = NULL;
1846 struct shash_desc *desc = NULL;
1847 struct test_sglist *tsgl = NULL;
1848 u8 *hashstate = NULL;
1849 unsigned int statesize;
1854 * Always test the ahash API. This works regardless of whether the
1855 * algorithm is implemented as ahash or shash.
1858 atfm = crypto_alloc_ahash(driver, type, mask);
1860 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1861 driver, PTR_ERR(atfm));
1862 return PTR_ERR(atfm);
1864 driver = crypto_ahash_driver_name(atfm);
1866 req = ahash_request_alloc(atfm, GFP_KERNEL);
1868 pr_err("alg: hash: failed to allocate request for %s\n",
1875 * If available also test the shash API, to cover corner cases that may
1876 * be missed by testing the ahash API only.
1878 err = alloc_shash(driver, type, mask, &stfm, &desc);
1882 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1883 if (!tsgl || init_test_sglist(tsgl) != 0) {
1884 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1892 statesize = crypto_ahash_statesize(atfm);
1894 statesize = max(statesize, crypto_shash_statesize(stfm));
1895 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1897 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1903 for (i = 0; i < num_vecs; i++) {
1904 if (fips_enabled && vecs[i].fips_skip)
1907 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1912 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1913 desc, tsgl, hashstate);
1917 destroy_test_sglist(tsgl);
1921 crypto_free_shash(stfm);
1922 ahash_request_free(req);
1923 crypto_free_ahash(atfm);
1927 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1930 const struct hash_testvec *template = desc->suite.hash.vecs;
1931 unsigned int tcount = desc->suite.hash.count;
1932 unsigned int nr_unkeyed, nr_keyed;
1933 unsigned int maxkeysize = 0;
1937 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1938 * first, before setting a key on the tfm. To make this easier, we
1939 * require that the unkeyed test vectors (if any) are listed first.
1942 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1943 if (template[nr_unkeyed].ksize)
1946 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1947 if (!template[nr_unkeyed + nr_keyed].ksize) {
1948 pr_err("alg: hash: test vectors for %s out of order, "
1949 "unkeyed ones must come first\n", desc->alg);
1952 maxkeysize = max_t(unsigned int, maxkeysize,
1953 template[nr_unkeyed + nr_keyed].ksize);
1958 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1959 desc->generic_driver, maxkeysize);
1960 template += nr_unkeyed;
1963 if (!err && nr_keyed)
1964 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1965 desc->generic_driver, maxkeysize);
1970 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1971 const char *vec_name,
1972 const struct testvec_config *cfg,
1973 struct aead_request *req,
1974 struct cipher_test_sglists *tsgls)
1976 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1977 const unsigned int alignmask = crypto_aead_alignmask(tfm);
1978 const unsigned int ivsize = crypto_aead_ivsize(tfm);
1979 const unsigned int authsize = vec->clen - vec->plen;
1980 const char *driver = crypto_aead_driver_name(tfm);
1981 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1982 const char *op = enc ? "encryption" : "decryption";
1983 DECLARE_CRYPTO_WAIT(wait);
1984 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1985 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1987 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1988 struct kvec input[2];
1993 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1995 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1997 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1999 if (err && err != vec->setkey_error) {
2000 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2001 driver, vec_name, vec->setkey_error, err,
2002 crypto_aead_get_flags(tfm));
2005 if (!err && vec->setkey_error) {
2006 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2007 driver, vec_name, vec->setkey_error);
2011 /* Set the authentication tag size */
2012 err = crypto_aead_setauthsize(tfm, authsize);
2013 if (err && err != vec->setauthsize_error) {
2014 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2015 driver, vec_name, vec->setauthsize_error, err);
2018 if (!err && vec->setauthsize_error) {
2019 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2020 driver, vec_name, vec->setauthsize_error);
2024 if (vec->setkey_error || vec->setauthsize_error)
2027 /* The IV must be copied to a buffer, as the algorithm may modify it */
2028 if (WARN_ON(ivsize > MAX_IVLEN))
2031 memcpy(iv, vec->iv, ivsize);
2033 memset(iv, 0, ivsize);
2035 /* Build the src/dst scatterlists */
2036 input[0].iov_base = (void *)vec->assoc;
2037 input[0].iov_len = vec->alen;
2038 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2039 input[1].iov_len = enc ? vec->plen : vec->clen;
2040 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2041 vec->alen + (enc ? vec->plen :
2043 vec->alen + (enc ? vec->clen :
2047 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2048 driver, op, vec_name, cfg->name);
2052 /* Do the actual encryption or decryption */
2053 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2054 aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2055 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2056 enc ? vec->plen : vec->clen, iv);
2057 aead_request_set_ad(req, vec->alen);
2059 crypto_disable_simd_for_test();
2060 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2062 crypto_reenable_simd_for_test();
2063 err = crypto_wait_req(err, &wait);
2065 /* Check that the algorithm didn't overwrite things it shouldn't have */
2066 if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2067 req->assoclen != vec->alen ||
2069 req->src != tsgls->src.sgl_ptr ||
2070 req->dst != tsgls->dst.sgl_ptr ||
2071 crypto_aead_reqtfm(req) != tfm ||
2072 req->base.complete != crypto_req_done ||
2073 req->base.flags != req_flags ||
2074 req->base.data != &wait) {
2075 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2076 driver, op, vec_name, cfg->name);
2077 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2078 pr_err("alg: aead: changed 'req->cryptlen'\n");
2079 if (req->assoclen != vec->alen)
2080 pr_err("alg: aead: changed 'req->assoclen'\n");
2082 pr_err("alg: aead: changed 'req->iv'\n");
2083 if (req->src != tsgls->src.sgl_ptr)
2084 pr_err("alg: aead: changed 'req->src'\n");
2085 if (req->dst != tsgls->dst.sgl_ptr)
2086 pr_err("alg: aead: changed 'req->dst'\n");
2087 if (crypto_aead_reqtfm(req) != tfm)
2088 pr_err("alg: aead: changed 'req->base.tfm'\n");
2089 if (req->base.complete != crypto_req_done)
2090 pr_err("alg: aead: changed 'req->base.complete'\n");
2091 if (req->base.flags != req_flags)
2092 pr_err("alg: aead: changed 'req->base.flags'\n");
2093 if (req->base.data != &wait)
2094 pr_err("alg: aead: changed 'req->base.data'\n");
2097 if (is_test_sglist_corrupted(&tsgls->src)) {
2098 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2099 driver, op, vec_name, cfg->name);
2102 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2103 is_test_sglist_corrupted(&tsgls->dst)) {
2104 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2105 driver, op, vec_name, cfg->name);
2109 /* Check for unexpected success or failure, or wrong error code */
2110 if ((err == 0 && vec->novrfy) ||
2111 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2112 char expected_error[32];
2115 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2116 sprintf(expected_error, "-EBADMSG or %d",
2118 else if (vec->novrfy)
2119 sprintf(expected_error, "-EBADMSG");
2121 sprintf(expected_error, "%d", vec->crypt_error);
2123 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2124 driver, op, vec_name, expected_error, err,
2128 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2129 driver, op, vec_name, expected_error, cfg->name);
2132 if (err) /* Expectedly failed. */
2135 /* Check for the correct output (ciphertext or plaintext) */
2136 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2137 enc ? vec->clen : vec->plen,
2139 enc || cfg->inplace_mode == OUT_OF_PLACE);
2140 if (err == -EOVERFLOW) {
2141 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2142 driver, op, vec_name, cfg->name);
2146 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2147 driver, op, vec_name, cfg->name);
2154 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2155 unsigned int vec_num, struct aead_request *req,
2156 struct cipher_test_sglists *tsgls)
2162 if (enc && vec->novrfy)
2165 sprintf(vec_name, "%u", vec_num);
2167 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2168 err = test_aead_vec_cfg(enc, vec, vec_name,
2169 &default_cipher_testvec_configs[i],
2175 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2176 if (!noextratests) {
2177 struct testvec_config cfg;
2178 char cfgname[TESTVEC_CONFIG_NAMELEN];
2180 for (i = 0; i < fuzz_iterations; i++) {
2181 generate_random_testvec_config(&cfg, cfgname,
2183 err = test_aead_vec_cfg(enc, vec, vec_name,
2194 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2196 struct aead_extra_tests_ctx {
2197 struct aead_request *req;
2198 struct crypto_aead *tfm;
2199 const struct alg_test_desc *test_desc;
2200 struct cipher_test_sglists *tsgls;
2201 unsigned int maxdatasize;
2202 unsigned int maxkeysize;
2204 struct aead_testvec vec;
2206 char cfgname[TESTVEC_CONFIG_NAMELEN];
2207 struct testvec_config cfg;
2211 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext"
2212 * here means the full ciphertext including the authentication tag. The
2213 * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2215 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2216 unsigned int ivsize)
2218 const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2219 const unsigned int authsize = vec->clen - vec->plen;
2221 if (get_random_u32_below(2) == 0 && vec->alen > aad_tail_size) {
2222 /* Mutate the AAD */
2223 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2224 if (get_random_u32_below(2) == 0)
2227 if (get_random_u32_below(2) == 0) {
2228 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2229 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2231 /* Mutate any part of the ciphertext */
2232 flip_random_bit((u8 *)vec->ctext, vec->clen);
2237 * Minimum authentication tag size in bytes at which we assume that we can
2238 * reliably generate inauthentic messages, i.e. not generate an authentic
2239 * message by chance.
2241 #define MIN_COLLISION_FREE_AUTHSIZE 8
2243 static void generate_aead_message(struct aead_request *req,
2244 const struct aead_test_suite *suite,
2245 struct aead_testvec *vec,
2246 bool prefer_inauthentic)
2248 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2249 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2250 const unsigned int authsize = vec->clen - vec->plen;
2251 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2252 (prefer_inauthentic || get_random_u32_below(4) == 0);
2254 /* Generate the AAD. */
2255 generate_random_bytes((u8 *)vec->assoc, vec->alen);
2256 if (suite->aad_iv && vec->alen >= ivsize)
2257 /* Avoid implementation-defined behavior. */
2258 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2260 if (inauthentic && get_random_u32_below(2) == 0) {
2261 /* Generate a random ciphertext. */
2262 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2265 struct scatterlist src[2], dst;
2267 DECLARE_CRYPTO_WAIT(wait);
2269 /* Generate a random plaintext and encrypt it. */
2270 sg_init_table(src, 2);
2272 sg_set_buf(&src[i++], vec->assoc, vec->alen);
2274 generate_random_bytes((u8 *)vec->ptext, vec->plen);
2275 sg_set_buf(&src[i++], vec->ptext, vec->plen);
2277 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2278 memcpy(iv, vec->iv, ivsize);
2279 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2280 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2281 aead_request_set_ad(req, vec->alen);
2282 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2284 /* If encryption failed, we're done. */
2285 if (vec->crypt_error != 0)
2287 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2291 * Mutate the authentic (ciphertext, AAD) pair to get an
2294 mutate_aead_message(vec, suite->aad_iv, ivsize);
2297 if (suite->einval_allowed)
2298 vec->crypt_error = -EINVAL;
2302 * Generate an AEAD test vector 'vec' using the implementation specified by
2303 * 'req'. The buffers in 'vec' must already be allocated.
2305 * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2306 * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2308 static void generate_random_aead_testvec(struct aead_request *req,
2309 struct aead_testvec *vec,
2310 const struct aead_test_suite *suite,
2311 unsigned int maxkeysize,
2312 unsigned int maxdatasize,
2313 char *name, size_t max_namelen,
2314 bool prefer_inauthentic)
2316 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2317 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2318 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2319 unsigned int authsize;
2320 unsigned int total_len;
2322 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2323 vec->klen = maxkeysize;
2324 if (get_random_u32_below(4) == 0)
2325 vec->klen = get_random_u32_below(maxkeysize + 1);
2326 generate_random_bytes((u8 *)vec->key, vec->klen);
2327 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2330 generate_random_bytes((u8 *)vec->iv, ivsize);
2332 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2333 authsize = maxauthsize;
2334 if (get_random_u32_below(4) == 0)
2335 authsize = get_random_u32_below(maxauthsize + 1);
2336 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2337 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2338 if (WARN_ON(authsize > maxdatasize))
2339 authsize = maxdatasize;
2340 maxdatasize -= authsize;
2341 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2343 /* AAD, plaintext, and ciphertext lengths */
2344 total_len = generate_random_length(maxdatasize);
2345 if (get_random_u32_below(4) == 0)
2348 vec->alen = generate_random_length(total_len);
2349 vec->plen = total_len - vec->alen;
2350 vec->clen = vec->plen + authsize;
2353 * Generate the AAD, plaintext, and ciphertext. Not applicable if the
2354 * key or the authentication tag size couldn't be set.
2357 vec->crypt_error = 0;
2358 if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2359 generate_aead_message(req, suite, vec, prefer_inauthentic);
2360 snprintf(name, max_namelen,
2361 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2362 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2365 static void try_to_generate_inauthentic_testvec(
2366 struct aead_extra_tests_ctx *ctx)
2370 for (i = 0; i < 10; i++) {
2371 generate_random_aead_testvec(ctx->req, &ctx->vec,
2372 &ctx->test_desc->suite.aead,
2373 ctx->maxkeysize, ctx->maxdatasize,
2375 sizeof(ctx->vec_name), true);
2376 if (ctx->vec.novrfy)
2382 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2383 * result of an encryption with the key) and verify that decryption fails.
2385 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2390 for (i = 0; i < fuzz_iterations * 8; i++) {
2392 * Since this part of the tests isn't comparing the
2393 * implementation to another, there's no point in testing any
2394 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2396 * If we're having trouble generating such a test vector, e.g.
2397 * if the algorithm keeps rejecting the generated keys, don't
2398 * retry forever; just continue on.
2400 try_to_generate_inauthentic_testvec(ctx);
2401 if (ctx->vec.novrfy) {
2402 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2403 sizeof(ctx->cfgname));
2404 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2405 ctx->vec_name, &ctx->cfg,
2406 ctx->req, ctx->tsgls);
2416 * Test the AEAD algorithm against the corresponding generic implementation, if
2419 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2421 struct crypto_aead *tfm = ctx->tfm;
2422 const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2423 const char *driver = crypto_aead_driver_name(tfm);
2424 const char *generic_driver = ctx->test_desc->generic_driver;
2425 char _generic_driver[CRYPTO_MAX_ALG_NAME];
2426 struct crypto_aead *generic_tfm = NULL;
2427 struct aead_request *generic_req = NULL;
2431 if (!generic_driver) { /* Use default naming convention? */
2432 err = build_generic_driver_name(algname, _generic_driver);
2435 generic_driver = _generic_driver;
2438 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2441 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2442 if (IS_ERR(generic_tfm)) {
2443 err = PTR_ERR(generic_tfm);
2444 if (err == -ENOENT) {
2445 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2446 driver, generic_driver);
2449 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2450 generic_driver, algname, err);
2454 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2460 /* Check the algorithm properties for consistency. */
2462 if (crypto_aead_maxauthsize(tfm) !=
2463 crypto_aead_maxauthsize(generic_tfm)) {
2464 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2465 driver, crypto_aead_maxauthsize(tfm),
2466 crypto_aead_maxauthsize(generic_tfm));
2471 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2472 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2473 driver, crypto_aead_ivsize(tfm),
2474 crypto_aead_ivsize(generic_tfm));
2479 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2480 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2481 driver, crypto_aead_blocksize(tfm),
2482 crypto_aead_blocksize(generic_tfm));
2488 * Now generate test vectors using the generic implementation, and test
2489 * the other implementation against them.
2491 for (i = 0; i < fuzz_iterations * 8; i++) {
2492 generate_random_aead_testvec(generic_req, &ctx->vec,
2493 &ctx->test_desc->suite.aead,
2494 ctx->maxkeysize, ctx->maxdatasize,
2496 sizeof(ctx->vec_name), false);
2497 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2498 sizeof(ctx->cfgname));
2499 if (!ctx->vec.novrfy) {
2500 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2501 ctx->vec_name, &ctx->cfg,
2502 ctx->req, ctx->tsgls);
2506 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2507 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2508 ctx->vec_name, &ctx->cfg,
2509 ctx->req, ctx->tsgls);
2517 crypto_free_aead(generic_tfm);
2518 aead_request_free(generic_req);
2522 static int test_aead_extra(const struct alg_test_desc *test_desc,
2523 struct aead_request *req,
2524 struct cipher_test_sglists *tsgls)
2526 struct aead_extra_tests_ctx *ctx;
2533 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2537 ctx->tfm = crypto_aead_reqtfm(req);
2538 ctx->test_desc = test_desc;
2540 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2541 ctx->maxkeysize = 0;
2542 for (i = 0; i < test_desc->suite.aead.count; i++)
2543 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2544 test_desc->suite.aead.vecs[i].klen);
2546 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2547 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2548 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2549 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2550 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2551 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2552 !ctx->vec.ptext || !ctx->vec.ctext) {
2557 err = test_aead_vs_generic_impl(ctx);
2561 err = test_aead_inauthentic_inputs(ctx);
2563 kfree(ctx->vec.key);
2565 kfree(ctx->vec.assoc);
2566 kfree(ctx->vec.ptext);
2567 kfree(ctx->vec.ctext);
2571 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2572 static int test_aead_extra(const struct alg_test_desc *test_desc,
2573 struct aead_request *req,
2574 struct cipher_test_sglists *tsgls)
2578 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2580 static int test_aead(int enc, const struct aead_test_suite *suite,
2581 struct aead_request *req,
2582 struct cipher_test_sglists *tsgls)
2587 for (i = 0; i < suite->count; i++) {
2588 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2596 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2599 const struct aead_test_suite *suite = &desc->suite.aead;
2600 struct crypto_aead *tfm;
2601 struct aead_request *req = NULL;
2602 struct cipher_test_sglists *tsgls = NULL;
2605 if (suite->count <= 0) {
2606 pr_err("alg: aead: empty test suite for %s\n", driver);
2610 tfm = crypto_alloc_aead(driver, type, mask);
2612 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2613 driver, PTR_ERR(tfm));
2614 return PTR_ERR(tfm);
2616 driver = crypto_aead_driver_name(tfm);
2618 req = aead_request_alloc(tfm, GFP_KERNEL);
2620 pr_err("alg: aead: failed to allocate request for %s\n",
2626 tsgls = alloc_cipher_test_sglists();
2628 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2634 err = test_aead(ENCRYPT, suite, req, tsgls);
2638 err = test_aead(DECRYPT, suite, req, tsgls);
2642 err = test_aead_extra(desc, req, tsgls);
2644 free_cipher_test_sglists(tsgls);
2645 aead_request_free(req);
2646 crypto_free_aead(tfm);
2650 static int test_cipher(struct crypto_cipher *tfm, int enc,
2651 const struct cipher_testvec *template,
2652 unsigned int tcount)
2654 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2655 unsigned int i, j, k;
2658 const char *input, *result;
2660 char *xbuf[XBUFSIZE];
2663 if (testmgr_alloc_buf(xbuf))
2672 for (i = 0; i < tcount; i++) {
2674 if (fips_enabled && template[i].fips_skip)
2677 input = enc ? template[i].ptext : template[i].ctext;
2678 result = enc ? template[i].ctext : template[i].ptext;
2682 if (WARN_ON(template[i].len > PAGE_SIZE))
2686 memcpy(data, input, template[i].len);
2688 crypto_cipher_clear_flags(tfm, ~0);
2690 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2692 ret = crypto_cipher_setkey(tfm, template[i].key,
2695 if (ret == template[i].setkey_error)
2697 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2698 algo, j, template[i].setkey_error, ret,
2699 crypto_cipher_get_flags(tfm));
2702 if (template[i].setkey_error) {
2703 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2704 algo, j, template[i].setkey_error);
2709 for (k = 0; k < template[i].len;
2710 k += crypto_cipher_blocksize(tfm)) {
2712 crypto_cipher_encrypt_one(tfm, data + k,
2715 crypto_cipher_decrypt_one(tfm, data + k,
2720 if (memcmp(q, result, template[i].len)) {
2721 printk(KERN_ERR "alg: cipher: Test %d failed "
2722 "on %s for %s\n", j, e, algo);
2723 hexdump(q, template[i].len);
2732 testmgr_free_buf(xbuf);
2737 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2738 const char *vec_name,
2739 const struct testvec_config *cfg,
2740 struct skcipher_request *req,
2741 struct cipher_test_sglists *tsgls)
2743 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2744 const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2745 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2746 const char *driver = crypto_skcipher_driver_name(tfm);
2747 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2748 const char *op = enc ? "encryption" : "decryption";
2749 DECLARE_CRYPTO_WAIT(wait);
2750 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2751 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2753 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2759 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2761 crypto_skcipher_clear_flags(tfm,
2762 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2763 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2766 if (err == vec->setkey_error)
2768 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2769 driver, vec_name, vec->setkey_error, err,
2770 crypto_skcipher_get_flags(tfm));
2773 if (vec->setkey_error) {
2774 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2775 driver, vec_name, vec->setkey_error);
2779 /* The IV must be copied to a buffer, as the algorithm may modify it */
2781 if (WARN_ON(ivsize > MAX_IVLEN))
2783 if (vec->generates_iv && !enc)
2784 memcpy(iv, vec->iv_out, ivsize);
2786 memcpy(iv, vec->iv, ivsize);
2788 memset(iv, 0, ivsize);
2790 if (vec->generates_iv) {
2791 pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2798 /* Build the src/dst scatterlists */
2799 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2800 input.iov_len = vec->len;
2801 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2802 vec->len, vec->len, &input, 1);
2804 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2805 driver, op, vec_name, cfg->name);
2809 /* Do the actual encryption or decryption */
2810 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2811 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2812 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2815 crypto_disable_simd_for_test();
2816 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2818 crypto_reenable_simd_for_test();
2819 err = crypto_wait_req(err, &wait);
2821 /* Check that the algorithm didn't overwrite things it shouldn't have */
2822 if (req->cryptlen != vec->len ||
2824 req->src != tsgls->src.sgl_ptr ||
2825 req->dst != tsgls->dst.sgl_ptr ||
2826 crypto_skcipher_reqtfm(req) != tfm ||
2827 req->base.complete != crypto_req_done ||
2828 req->base.flags != req_flags ||
2829 req->base.data != &wait) {
2830 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2831 driver, op, vec_name, cfg->name);
2832 if (req->cryptlen != vec->len)
2833 pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2835 pr_err("alg: skcipher: changed 'req->iv'\n");
2836 if (req->src != tsgls->src.sgl_ptr)
2837 pr_err("alg: skcipher: changed 'req->src'\n");
2838 if (req->dst != tsgls->dst.sgl_ptr)
2839 pr_err("alg: skcipher: changed 'req->dst'\n");
2840 if (crypto_skcipher_reqtfm(req) != tfm)
2841 pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2842 if (req->base.complete != crypto_req_done)
2843 pr_err("alg: skcipher: changed 'req->base.complete'\n");
2844 if (req->base.flags != req_flags)
2845 pr_err("alg: skcipher: changed 'req->base.flags'\n");
2846 if (req->base.data != &wait)
2847 pr_err("alg: skcipher: changed 'req->base.data'\n");
2850 if (is_test_sglist_corrupted(&tsgls->src)) {
2851 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2852 driver, op, vec_name, cfg->name);
2855 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2856 is_test_sglist_corrupted(&tsgls->dst)) {
2857 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2858 driver, op, vec_name, cfg->name);
2862 /* Check for success or failure */
2864 if (err == vec->crypt_error)
2866 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2867 driver, op, vec_name, vec->crypt_error, err, cfg->name);
2870 if (vec->crypt_error) {
2871 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2872 driver, op, vec_name, vec->crypt_error, cfg->name);
2876 /* Check for the correct output (ciphertext or plaintext) */
2877 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2879 if (err == -EOVERFLOW) {
2880 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2881 driver, op, vec_name, cfg->name);
2885 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2886 driver, op, vec_name, cfg->name);
2890 /* If applicable, check that the algorithm generated the correct IV */
2891 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2892 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2893 driver, op, vec_name, cfg->name);
2894 hexdump(iv, ivsize);
2901 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2902 unsigned int vec_num,
2903 struct skcipher_request *req,
2904 struct cipher_test_sglists *tsgls)
2910 if (fips_enabled && vec->fips_skip)
2913 sprintf(vec_name, "%u", vec_num);
2915 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2916 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2917 &default_cipher_testvec_configs[i],
2923 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2924 if (!noextratests) {
2925 struct testvec_config cfg;
2926 char cfgname[TESTVEC_CONFIG_NAMELEN];
2928 for (i = 0; i < fuzz_iterations; i++) {
2929 generate_random_testvec_config(&cfg, cfgname,
2931 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2942 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2944 * Generate a symmetric cipher test vector from the given implementation.
2945 * Assumes the buffers in 'vec' were already allocated.
2947 static void generate_random_cipher_testvec(struct skcipher_request *req,
2948 struct cipher_testvec *vec,
2949 unsigned int maxdatasize,
2950 char *name, size_t max_namelen)
2952 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2953 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2954 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2955 struct scatterlist src, dst;
2957 DECLARE_CRYPTO_WAIT(wait);
2959 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2960 vec->klen = maxkeysize;
2961 if (get_random_u32_below(4) == 0)
2962 vec->klen = get_random_u32_below(maxkeysize + 1);
2963 generate_random_bytes((u8 *)vec->key, vec->klen);
2964 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2967 generate_random_bytes((u8 *)vec->iv, ivsize);
2970 vec->len = generate_random_length(maxdatasize);
2971 generate_random_bytes((u8 *)vec->ptext, vec->len);
2973 /* If the key couldn't be set, no need to continue to encrypt. */
2974 if (vec->setkey_error)
2978 sg_init_one(&src, vec->ptext, vec->len);
2979 sg_init_one(&dst, vec->ctext, vec->len);
2980 memcpy(iv, vec->iv, ivsize);
2981 skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2982 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2983 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2984 if (vec->crypt_error != 0) {
2986 * The only acceptable error here is for an invalid length, so
2987 * skcipher decryption should fail with the same error too.
2988 * We'll test for this. But to keep the API usage well-defined,
2989 * explicitly initialize the ciphertext buffer too.
2991 memset((u8 *)vec->ctext, 0, vec->len);
2994 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2995 vec->len, vec->klen);
2999 * Test the skcipher algorithm represented by @req against the corresponding
3000 * generic implementation, if one is available.
3002 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3003 struct skcipher_request *req,
3004 struct cipher_test_sglists *tsgls)
3006 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3007 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3008 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3009 const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3010 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3011 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3012 const char *driver = crypto_skcipher_driver_name(tfm);
3013 char _generic_driver[CRYPTO_MAX_ALG_NAME];
3014 struct crypto_skcipher *generic_tfm = NULL;
3015 struct skcipher_request *generic_req = NULL;
3017 struct cipher_testvec vec = { 0 };
3019 struct testvec_config *cfg;
3020 char cfgname[TESTVEC_CONFIG_NAMELEN];
3026 /* Keywrap isn't supported here yet as it handles its IV differently. */
3027 if (strncmp(algname, "kw(", 3) == 0)
3030 if (!generic_driver) { /* Use default naming convention? */
3031 err = build_generic_driver_name(algname, _generic_driver);
3034 generic_driver = _generic_driver;
3037 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3040 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3041 if (IS_ERR(generic_tfm)) {
3042 err = PTR_ERR(generic_tfm);
3043 if (err == -ENOENT) {
3044 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3045 driver, generic_driver);
3048 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3049 generic_driver, algname, err);
3053 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3059 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3065 /* Check the algorithm properties for consistency. */
3067 if (crypto_skcipher_min_keysize(tfm) !=
3068 crypto_skcipher_min_keysize(generic_tfm)) {
3069 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3070 driver, crypto_skcipher_min_keysize(tfm),
3071 crypto_skcipher_min_keysize(generic_tfm));
3076 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3077 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3079 crypto_skcipher_max_keysize(generic_tfm));
3084 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3085 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3086 driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3091 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3092 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3094 crypto_skcipher_blocksize(generic_tfm));
3100 * Now generate test vectors using the generic implementation, and test
3101 * the other implementation against them.
3104 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3105 vec.iv = kmalloc(ivsize, GFP_KERNEL);
3106 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3107 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3108 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3113 for (i = 0; i < fuzz_iterations * 8; i++) {
3114 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3115 vec_name, sizeof(vec_name));
3116 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3118 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3122 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3135 crypto_free_skcipher(generic_tfm);
3136 skcipher_request_free(generic_req);
3139 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3140 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3141 struct skcipher_request *req,
3142 struct cipher_test_sglists *tsgls)
3146 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3148 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3149 struct skcipher_request *req,
3150 struct cipher_test_sglists *tsgls)
3155 for (i = 0; i < suite->count; i++) {
3156 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3164 static int alg_test_skcipher(const struct alg_test_desc *desc,
3165 const char *driver, u32 type, u32 mask)
3167 const struct cipher_test_suite *suite = &desc->suite.cipher;
3168 struct crypto_skcipher *tfm;
3169 struct skcipher_request *req = NULL;
3170 struct cipher_test_sglists *tsgls = NULL;
3173 if (suite->count <= 0) {
3174 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3178 tfm = crypto_alloc_skcipher(driver, type, mask);
3180 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3181 driver, PTR_ERR(tfm));
3182 return PTR_ERR(tfm);
3184 driver = crypto_skcipher_driver_name(tfm);
3186 req = skcipher_request_alloc(tfm, GFP_KERNEL);
3188 pr_err("alg: skcipher: failed to allocate request for %s\n",
3194 tsgls = alloc_cipher_test_sglists();
3196 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3202 err = test_skcipher(ENCRYPT, suite, req, tsgls);
3206 err = test_skcipher(DECRYPT, suite, req, tsgls);
3210 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3212 free_cipher_test_sglists(tsgls);
3213 skcipher_request_free(req);
3214 crypto_free_skcipher(tfm);
3218 static int test_comp(struct crypto_comp *tfm,
3219 const struct comp_testvec *ctemplate,
3220 const struct comp_testvec *dtemplate,
3221 int ctcount, int dtcount)
3223 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3224 char *output, *decomp_output;
3228 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3232 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3233 if (!decomp_output) {
3238 for (i = 0; i < ctcount; i++) {
3240 unsigned int dlen = COMP_BUF_SIZE;
3242 memset(output, 0, COMP_BUF_SIZE);
3243 memset(decomp_output, 0, COMP_BUF_SIZE);
3245 ilen = ctemplate[i].inlen;
3246 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3247 ilen, output, &dlen);
3249 printk(KERN_ERR "alg: comp: compression failed "
3250 "on test %d for %s: ret=%d\n", i + 1, algo,
3256 dlen = COMP_BUF_SIZE;
3257 ret = crypto_comp_decompress(tfm, output,
3258 ilen, decomp_output, &dlen);
3260 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3265 if (dlen != ctemplate[i].inlen) {
3266 printk(KERN_ERR "alg: comp: Compression test %d "
3267 "failed for %s: output len = %d\n", i + 1, algo,
3273 if (memcmp(decomp_output, ctemplate[i].input,
3274 ctemplate[i].inlen)) {
3275 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3277 hexdump(decomp_output, dlen);
3283 for (i = 0; i < dtcount; i++) {
3285 unsigned int dlen = COMP_BUF_SIZE;
3287 memset(decomp_output, 0, COMP_BUF_SIZE);
3289 ilen = dtemplate[i].inlen;
3290 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3291 ilen, decomp_output, &dlen);
3293 printk(KERN_ERR "alg: comp: decompression failed "
3294 "on test %d for %s: ret=%d\n", i + 1, algo,
3299 if (dlen != dtemplate[i].outlen) {
3300 printk(KERN_ERR "alg: comp: Decompression test %d "
3301 "failed for %s: output len = %d\n", i + 1, algo,
3307 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3308 printk(KERN_ERR "alg: comp: Decompression test %d "
3309 "failed for %s\n", i + 1, algo);
3310 hexdump(decomp_output, dlen);
3319 kfree(decomp_output);
3324 static int test_acomp(struct crypto_acomp *tfm,
3325 const struct comp_testvec *ctemplate,
3326 const struct comp_testvec *dtemplate,
3327 int ctcount, int dtcount)
3329 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3331 char *output, *decomp_out;
3333 struct scatterlist src, dst;
3334 struct acomp_req *req;
3335 struct crypto_wait wait;
3337 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3341 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3347 for (i = 0; i < ctcount; i++) {
3348 unsigned int dlen = COMP_BUF_SIZE;
3349 int ilen = ctemplate[i].inlen;
3352 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3358 memset(output, 0, dlen);
3359 crypto_init_wait(&wait);
3360 sg_init_one(&src, input_vec, ilen);
3361 sg_init_one(&dst, output, dlen);
3363 req = acomp_request_alloc(tfm);
3365 pr_err("alg: acomp: request alloc failed for %s\n",
3372 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3373 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3374 crypto_req_done, &wait);
3376 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3378 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3381 acomp_request_free(req);
3386 dlen = COMP_BUF_SIZE;
3387 sg_init_one(&src, output, ilen);
3388 sg_init_one(&dst, decomp_out, dlen);
3389 crypto_init_wait(&wait);
3390 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3392 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3394 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3397 acomp_request_free(req);
3401 if (req->dlen != ctemplate[i].inlen) {
3402 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3403 i + 1, algo, req->dlen);
3406 acomp_request_free(req);
3410 if (memcmp(input_vec, decomp_out, req->dlen)) {
3411 pr_err("alg: acomp: Compression test %d failed for %s\n",
3413 hexdump(output, req->dlen);
3416 acomp_request_free(req);
3420 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3421 crypto_init_wait(&wait);
3422 sg_init_one(&src, input_vec, ilen);
3423 acomp_request_set_params(req, &src, NULL, ilen, 0);
3425 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3427 pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3430 acomp_request_free(req);
3436 acomp_request_free(req);
3439 for (i = 0; i < dtcount; i++) {
3440 unsigned int dlen = COMP_BUF_SIZE;
3441 int ilen = dtemplate[i].inlen;
3444 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3450 memset(output, 0, dlen);
3451 crypto_init_wait(&wait);
3452 sg_init_one(&src, input_vec, ilen);
3453 sg_init_one(&dst, output, dlen);
3455 req = acomp_request_alloc(tfm);
3457 pr_err("alg: acomp: request alloc failed for %s\n",
3464 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3465 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3466 crypto_req_done, &wait);
3468 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3470 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3473 acomp_request_free(req);
3477 if (req->dlen != dtemplate[i].outlen) {
3478 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3479 i + 1, algo, req->dlen);
3482 acomp_request_free(req);
3486 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3487 pr_err("alg: acomp: Decompression test %d failed for %s\n",
3489 hexdump(output, req->dlen);
3492 acomp_request_free(req);
3496 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3497 crypto_init_wait(&wait);
3498 acomp_request_set_params(req, &src, NULL, ilen, 0);
3500 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3502 pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3505 acomp_request_free(req);
3511 acomp_request_free(req);
3522 static int test_cprng(struct crypto_rng *tfm,
3523 const struct cprng_testvec *template,
3524 unsigned int tcount)
3526 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3527 int err = 0, i, j, seedsize;
3531 seedsize = crypto_rng_seedsize(tfm);
3533 seed = kmalloc(seedsize, GFP_KERNEL);
3535 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3540 for (i = 0; i < tcount; i++) {
3541 memset(result, 0, 32);
3543 memcpy(seed, template[i].v, template[i].vlen);
3544 memcpy(seed + template[i].vlen, template[i].key,
3546 memcpy(seed + template[i].vlen + template[i].klen,
3547 template[i].dt, template[i].dtlen);
3549 err = crypto_rng_reset(tfm, seed, seedsize);
3551 printk(KERN_ERR "alg: cprng: Failed to reset rng "
3556 for (j = 0; j < template[i].loops; j++) {
3557 err = crypto_rng_get_bytes(tfm, result,
3560 printk(KERN_ERR "alg: cprng: Failed to obtain "
3561 "the correct amount of random data for "
3562 "%s (requested %d)\n", algo,
3568 err = memcmp(result, template[i].result,
3571 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3573 hexdump(result, template[i].rlen);
3584 static int alg_test_cipher(const struct alg_test_desc *desc,
3585 const char *driver, u32 type, u32 mask)
3587 const struct cipher_test_suite *suite = &desc->suite.cipher;
3588 struct crypto_cipher *tfm;
3591 tfm = crypto_alloc_cipher(driver, type, mask);
3593 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3594 "%s: %ld\n", driver, PTR_ERR(tfm));
3595 return PTR_ERR(tfm);
3598 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3600 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3602 crypto_free_cipher(tfm);
3606 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3609 struct crypto_comp *comp;
3610 struct crypto_acomp *acomp;
3612 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3614 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3615 acomp = crypto_alloc_acomp(driver, type, mask);
3616 if (IS_ERR(acomp)) {
3617 pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3618 driver, PTR_ERR(acomp));
3619 return PTR_ERR(acomp);
3621 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3622 desc->suite.comp.decomp.vecs,
3623 desc->suite.comp.comp.count,
3624 desc->suite.comp.decomp.count);
3625 crypto_free_acomp(acomp);
3627 comp = crypto_alloc_comp(driver, type, mask);
3629 pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3630 driver, PTR_ERR(comp));
3631 return PTR_ERR(comp);
3634 err = test_comp(comp, desc->suite.comp.comp.vecs,
3635 desc->suite.comp.decomp.vecs,
3636 desc->suite.comp.comp.count,
3637 desc->suite.comp.decomp.count);
3639 crypto_free_comp(comp);
3644 static int alg_test_crc32c(const struct alg_test_desc *desc,
3645 const char *driver, u32 type, u32 mask)
3647 struct crypto_shash *tfm;
3651 err = alg_test_hash(desc, driver, type, mask);
3655 tfm = crypto_alloc_shash(driver, type, mask);
3657 if (PTR_ERR(tfm) == -ENOENT) {
3659 * This crc32c implementation is only available through
3660 * ahash API, not the shash API, so the remaining part
3661 * of the test is not applicable to it.
3665 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3666 "%ld\n", driver, PTR_ERR(tfm));
3667 return PTR_ERR(tfm);
3669 driver = crypto_shash_driver_name(tfm);
3672 SHASH_DESC_ON_STACK(shash, tfm);
3673 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3678 err = crypto_shash_final(shash, (u8 *)&val);
3680 printk(KERN_ERR "alg: crc32c: Operation failed for "
3681 "%s: %d\n", driver, err);
3685 if (val != cpu_to_le32(~420553207)) {
3686 pr_err("alg: crc32c: Test failed for %s: %u\n",
3687 driver, le32_to_cpu(val));
3692 crypto_free_shash(tfm);
3697 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3700 struct crypto_rng *rng;
3703 rng = crypto_alloc_rng(driver, type, mask);
3705 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3706 "%ld\n", driver, PTR_ERR(rng));
3707 return PTR_ERR(rng);
3710 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3712 crypto_free_rng(rng);
3718 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3719 const char *driver, u32 type, u32 mask)
3722 struct crypto_rng *drng;
3723 struct drbg_test_data test_data;
3724 struct drbg_string addtl, pers, testentropy;
3725 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3730 drng = crypto_alloc_rng(driver, type, mask);
3732 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3734 kfree_sensitive(buf);
3738 test_data.testentropy = &testentropy;
3739 drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3740 drbg_string_fill(&pers, test->pers, test->perslen);
3741 ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3743 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3747 drbg_string_fill(&addtl, test->addtla, test->addtllen);
3749 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3750 ret = crypto_drbg_get_bytes_addtl_test(drng,
3751 buf, test->expectedlen, &addtl, &test_data);
3753 ret = crypto_drbg_get_bytes_addtl(drng,
3754 buf, test->expectedlen, &addtl);
3757 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3758 "driver %s\n", driver);
3762 drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3764 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3765 ret = crypto_drbg_get_bytes_addtl_test(drng,
3766 buf, test->expectedlen, &addtl, &test_data);
3768 ret = crypto_drbg_get_bytes_addtl(drng,
3769 buf, test->expectedlen, &addtl);
3772 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3773 "driver %s\n", driver);
3777 ret = memcmp(test->expected, buf, test->expectedlen);
3780 crypto_free_rng(drng);
3781 kfree_sensitive(buf);
3786 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3792 const struct drbg_testvec *template = desc->suite.drbg.vecs;
3793 unsigned int tcount = desc->suite.drbg.count;
3795 if (0 == memcmp(driver, "drbg_pr_", 8))
3798 for (i = 0; i < tcount; i++) {
3799 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3801 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3811 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3814 struct kpp_request *req;
3815 void *input_buf = NULL;
3816 void *output_buf = NULL;
3817 void *a_public = NULL;
3819 void *shared_secret = NULL;
3820 struct crypto_wait wait;
3821 unsigned int out_len_max;
3823 struct scatterlist src, dst;
3825 req = kpp_request_alloc(tfm, GFP_KERNEL);
3829 crypto_init_wait(&wait);
3831 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3835 out_len_max = crypto_kpp_maxsize(tfm);
3836 output_buf = kzalloc(out_len_max, GFP_KERNEL);
3842 /* Use appropriate parameter as base */
3843 kpp_request_set_input(req, NULL, 0);
3844 sg_init_one(&dst, output_buf, out_len_max);
3845 kpp_request_set_output(req, &dst, out_len_max);
3846 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3847 crypto_req_done, &wait);
3849 /* Compute party A's public key */
3850 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3852 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3858 /* Save party A's public key */
3859 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3865 /* Verify calculated public key */
3866 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3867 vec->expected_a_public_size)) {
3868 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3875 /* Calculate shared secret key by using counter part (b) public key. */
3876 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3882 sg_init_one(&src, input_buf, vec->b_public_size);
3883 sg_init_one(&dst, output_buf, out_len_max);
3884 kpp_request_set_input(req, &src, vec->b_public_size);
3885 kpp_request_set_output(req, &dst, out_len_max);
3886 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3887 crypto_req_done, &wait);
3888 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3890 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3896 /* Save the shared secret obtained by party A */
3897 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3904 * Calculate party B's shared secret by using party A's
3907 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3908 vec->b_secret_size);
3912 sg_init_one(&src, a_public, vec->expected_a_public_size);
3913 sg_init_one(&dst, output_buf, out_len_max);
3914 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3915 kpp_request_set_output(req, &dst, out_len_max);
3916 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3917 crypto_req_done, &wait);
3918 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3921 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3926 shared_secret = a_ss;
3928 shared_secret = (void *)vec->expected_ss;
3932 * verify shared secret from which the user will derive
3933 * secret key by executing whatever hash it has chosen
3935 if (memcmp(shared_secret, sg_virt(req->dst),
3936 vec->expected_ss_size)) {
3937 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3949 kpp_request_free(req);
3953 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3954 const struct kpp_testvec *vecs, unsigned int tcount)
3958 for (i = 0; i < tcount; i++) {
3959 ret = do_test_kpp(tfm, vecs++, alg);
3961 pr_err("alg: %s: test failed on vector %d, err=%d\n",
3969 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3972 struct crypto_kpp *tfm;
3975 tfm = crypto_alloc_kpp(driver, type, mask);
3977 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3978 driver, PTR_ERR(tfm));
3979 return PTR_ERR(tfm);
3981 if (desc->suite.kpp.vecs)
3982 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3983 desc->suite.kpp.count);
3985 crypto_free_kpp(tfm);
3989 static u8 *test_pack_u32(u8 *dst, u32 val)
3991 memcpy(dst, &val, sizeof(val));
3992 return dst + sizeof(val);
3995 static int test_akcipher_one(struct crypto_akcipher *tfm,
3996 const struct akcipher_testvec *vecs)
3998 char *xbuf[XBUFSIZE];
3999 struct akcipher_request *req;
4000 void *outbuf_enc = NULL;
4001 void *outbuf_dec = NULL;
4002 struct crypto_wait wait;
4003 unsigned int out_len_max, out_len = 0;
4005 struct scatterlist src, dst, src_tab[3];
4007 unsigned int m_size, c_size;
4011 if (testmgr_alloc_buf(xbuf))
4014 req = akcipher_request_alloc(tfm, GFP_KERNEL);
4018 crypto_init_wait(&wait);
4020 key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4024 memcpy(key, vecs->key, vecs->key_len);
4025 ptr = key + vecs->key_len;
4026 ptr = test_pack_u32(ptr, vecs->algo);
4027 ptr = test_pack_u32(ptr, vecs->param_len);
4028 memcpy(ptr, vecs->params, vecs->param_len);
4030 if (vecs->public_key_vec)
4031 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4033 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4038 * First run test which do not require a private key, such as
4039 * encrypt or verify.
4042 out_len_max = crypto_akcipher_maxsize(tfm);
4043 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4047 if (!vecs->siggen_sigver_test) {
4049 m_size = vecs->m_size;
4051 c_size = vecs->c_size;
4054 /* Swap args so we could keep plaintext (digest)
4055 * in vecs->m, and cooked signature in vecs->c.
4057 m = vecs->c; /* signature */
4058 m_size = vecs->c_size;
4059 c = vecs->m; /* digest */
4060 c_size = vecs->m_size;
4065 if (WARN_ON(m_size > PAGE_SIZE))
4067 memcpy(xbuf[0], m, m_size);
4069 sg_init_table(src_tab, 3);
4070 sg_set_buf(&src_tab[0], xbuf[0], 8);
4071 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4072 if (vecs->siggen_sigver_test) {
4073 if (WARN_ON(c_size > PAGE_SIZE))
4075 memcpy(xbuf[1], c, c_size);
4076 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4077 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4079 sg_init_one(&dst, outbuf_enc, out_len_max);
4080 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4083 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4084 crypto_req_done, &wait);
4086 err = crypto_wait_req(vecs->siggen_sigver_test ?
4087 /* Run asymmetric signature verification */
4088 crypto_akcipher_verify(req) :
4089 /* Run asymmetric encrypt */
4090 crypto_akcipher_encrypt(req), &wait);
4092 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4095 if (!vecs->siggen_sigver_test && c) {
4096 if (req->dst_len != c_size) {
4097 pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4102 /* verify that encrypted message is equal to expected */
4103 if (memcmp(c, outbuf_enc, c_size) != 0) {
4104 pr_err("alg: akcipher: %s test failed. Invalid output\n",
4106 hexdump(outbuf_enc, c_size);
4113 * Don't invoke (decrypt or sign) test which require a private key
4114 * for vectors with only a public key.
4116 if (vecs->public_key_vec) {
4120 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4126 if (!vecs->siggen_sigver_test && !c) {
4128 c_size = req->dst_len;
4132 op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4133 if (WARN_ON(c_size > PAGE_SIZE))
4135 memcpy(xbuf[0], c, c_size);
4137 sg_init_one(&src, xbuf[0], c_size);
4138 sg_init_one(&dst, outbuf_dec, out_len_max);
4139 crypto_init_wait(&wait);
4140 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4142 err = crypto_wait_req(vecs->siggen_sigver_test ?
4143 /* Run asymmetric signature generation */
4144 crypto_akcipher_sign(req) :
4145 /* Run asymmetric decrypt */
4146 crypto_akcipher_decrypt(req), &wait);
4148 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4151 out_len = req->dst_len;
4152 if (out_len < m_size) {
4153 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4158 /* verify that decrypted message is equal to the original msg */
4159 if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4160 memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4161 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4162 hexdump(outbuf_dec, out_len);
4171 akcipher_request_free(req);
4173 testmgr_free_buf(xbuf);
4177 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4178 const struct akcipher_testvec *vecs,
4179 unsigned int tcount)
4182 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4185 for (i = 0; i < tcount; i++) {
4186 ret = test_akcipher_one(tfm, vecs++);
4190 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4197 static int alg_test_akcipher(const struct alg_test_desc *desc,
4198 const char *driver, u32 type, u32 mask)
4200 struct crypto_akcipher *tfm;
4203 tfm = crypto_alloc_akcipher(driver, type, mask);
4205 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4206 driver, PTR_ERR(tfm));
4207 return PTR_ERR(tfm);
4209 if (desc->suite.akcipher.vecs)
4210 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4211 desc->suite.akcipher.count);
4213 crypto_free_akcipher(tfm);
4217 static int alg_test_null(const struct alg_test_desc *desc,
4218 const char *driver, u32 type, u32 mask)
4223 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv)
4224 #define __VECS(tv) { ____VECS(tv) }
4226 /* Please keep this list sorted by algorithm name. */
4227 static const struct alg_test_desc alg_test_descs[] = {
4229 .alg = "adiantum(xchacha12,aes)",
4230 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4231 .test = alg_test_skcipher,
4233 .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4236 .alg = "adiantum(xchacha20,aes)",
4237 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4238 .test = alg_test_skcipher,
4240 .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4244 .test = alg_test_aead,
4246 .aead = __VECS(aegis128_tv_template)
4249 .alg = "ansi_cprng",
4250 .test = alg_test_cprng,
4252 .cprng = __VECS(ansi_cprng_aes_tv_template)
4255 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4256 .test = alg_test_aead,
4258 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4261 .alg = "authenc(hmac(sha1),cbc(aes))",
4262 .test = alg_test_aead,
4265 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4268 .alg = "authenc(hmac(sha1),cbc(des))",
4269 .test = alg_test_aead,
4271 .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4274 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4275 .test = alg_test_aead,
4277 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4280 .alg = "authenc(hmac(sha1),ctr(aes))",
4281 .test = alg_test_null,
4284 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4285 .test = alg_test_aead,
4287 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4290 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4291 .test = alg_test_null,
4294 .alg = "authenc(hmac(sha224),cbc(des))",
4295 .test = alg_test_aead,
4297 .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4300 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4301 .test = alg_test_aead,
4303 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4306 .alg = "authenc(hmac(sha256),cbc(aes))",
4307 .test = alg_test_aead,
4310 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4313 .alg = "authenc(hmac(sha256),cbc(des))",
4314 .test = alg_test_aead,
4316 .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4319 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4320 .test = alg_test_aead,
4322 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4325 .alg = "authenc(hmac(sha256),ctr(aes))",
4326 .test = alg_test_null,
4329 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4330 .test = alg_test_null,
4333 .alg = "authenc(hmac(sha384),cbc(des))",
4334 .test = alg_test_aead,
4336 .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4339 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4340 .test = alg_test_aead,
4342 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4345 .alg = "authenc(hmac(sha384),ctr(aes))",
4346 .test = alg_test_null,
4349 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4350 .test = alg_test_null,
4353 .alg = "authenc(hmac(sha512),cbc(aes))",
4355 .test = alg_test_aead,
4357 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4360 .alg = "authenc(hmac(sha512),cbc(des))",
4361 .test = alg_test_aead,
4363 .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4366 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4367 .test = alg_test_aead,
4369 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4372 .alg = "authenc(hmac(sha512),ctr(aes))",
4373 .test = alg_test_null,
4376 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4377 .test = alg_test_null,
4380 .alg = "blake2b-160",
4381 .test = alg_test_hash,
4384 .hash = __VECS(blake2b_160_tv_template)
4387 .alg = "blake2b-256",
4388 .test = alg_test_hash,
4391 .hash = __VECS(blake2b_256_tv_template)
4394 .alg = "blake2b-384",
4395 .test = alg_test_hash,
4398 .hash = __VECS(blake2b_384_tv_template)
4401 .alg = "blake2b-512",
4402 .test = alg_test_hash,
4405 .hash = __VECS(blake2b_512_tv_template)
4409 .test = alg_test_skcipher,
4412 .cipher = __VECS(aes_cbc_tv_template)
4415 .alg = "cbc(anubis)",
4416 .test = alg_test_skcipher,
4418 .cipher = __VECS(anubis_cbc_tv_template)
4422 .test = alg_test_skcipher,
4424 .cipher = __VECS(aria_cbc_tv_template)
4427 .alg = "cbc(blowfish)",
4428 .test = alg_test_skcipher,
4430 .cipher = __VECS(bf_cbc_tv_template)
4433 .alg = "cbc(camellia)",
4434 .test = alg_test_skcipher,
4436 .cipher = __VECS(camellia_cbc_tv_template)
4439 .alg = "cbc(cast5)",
4440 .test = alg_test_skcipher,
4442 .cipher = __VECS(cast5_cbc_tv_template)
4445 .alg = "cbc(cast6)",
4446 .test = alg_test_skcipher,
4448 .cipher = __VECS(cast6_cbc_tv_template)
4452 .test = alg_test_skcipher,
4454 .cipher = __VECS(des_cbc_tv_template)
4457 .alg = "cbc(des3_ede)",
4458 .test = alg_test_skcipher,
4460 .cipher = __VECS(des3_ede_cbc_tv_template)
4463 /* Same as cbc(aes) except the key is stored in
4464 * hardware secure memory which we reference by index
4467 .test = alg_test_null,
4470 /* Same as cbc(sm4) except the key is stored in
4471 * hardware secure memory which we reference by index
4474 .test = alg_test_null,
4476 .alg = "cbc(serpent)",
4477 .test = alg_test_skcipher,
4479 .cipher = __VECS(serpent_cbc_tv_template)
4483 .test = alg_test_skcipher,
4485 .cipher = __VECS(sm4_cbc_tv_template)
4488 .alg = "cbc(twofish)",
4489 .test = alg_test_skcipher,
4491 .cipher = __VECS(tf_cbc_tv_template)
4494 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4495 .alg = "cbc-paes-s390",
4497 .test = alg_test_skcipher,
4499 .cipher = __VECS(aes_cbc_tv_template)
4503 .alg = "cbcmac(aes)",
4505 .test = alg_test_hash,
4507 .hash = __VECS(aes_cbcmac_tv_template)
4510 .alg = "cbcmac(sm4)",
4511 .test = alg_test_hash,
4513 .hash = __VECS(sm4_cbcmac_tv_template)
4517 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4518 .test = alg_test_aead,
4522 ____VECS(aes_ccm_tv_template),
4523 .einval_allowed = 1,
4528 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4529 .test = alg_test_aead,
4532 ____VECS(sm4_ccm_tv_template),
4533 .einval_allowed = 1,
4538 .test = alg_test_skcipher,
4541 .cipher = __VECS(aes_cfb_tv_template)
4545 .test = alg_test_skcipher,
4547 .cipher = __VECS(aria_cfb_tv_template)
4551 .test = alg_test_skcipher,
4553 .cipher = __VECS(sm4_cfb_tv_template)
4557 .test = alg_test_skcipher,
4559 .cipher = __VECS(chacha20_tv_template)
4564 .test = alg_test_hash,
4566 .hash = __VECS(aes_cmac128_tv_template)
4569 .alg = "cmac(des3_ede)",
4570 .test = alg_test_hash,
4572 .hash = __VECS(des3_ede_cmac64_tv_template)
4576 .test = alg_test_hash,
4578 .hash = __VECS(sm4_cmac128_tv_template)
4581 .alg = "compress_null",
4582 .test = alg_test_null,
4585 .test = alg_test_hash,
4588 .hash = __VECS(crc32_tv_template)
4592 .test = alg_test_crc32c,
4595 .hash = __VECS(crc32c_tv_template)
4598 .alg = "crc64-rocksoft",
4599 .test = alg_test_hash,
4602 .hash = __VECS(crc64_rocksoft_tv_template)
4606 .test = alg_test_hash,
4609 .hash = __VECS(crct10dif_tv_template)
4613 .test = alg_test_skcipher,
4616 .cipher = __VECS(aes_ctr_tv_template)
4620 .test = alg_test_skcipher,
4622 .cipher = __VECS(aria_ctr_tv_template)
4625 .alg = "ctr(blowfish)",
4626 .test = alg_test_skcipher,
4628 .cipher = __VECS(bf_ctr_tv_template)
4631 .alg = "ctr(camellia)",
4632 .test = alg_test_skcipher,
4634 .cipher = __VECS(camellia_ctr_tv_template)
4637 .alg = "ctr(cast5)",
4638 .test = alg_test_skcipher,
4640 .cipher = __VECS(cast5_ctr_tv_template)
4643 .alg = "ctr(cast6)",
4644 .test = alg_test_skcipher,
4646 .cipher = __VECS(cast6_ctr_tv_template)
4650 .test = alg_test_skcipher,
4652 .cipher = __VECS(des_ctr_tv_template)
4655 .alg = "ctr(des3_ede)",
4656 .test = alg_test_skcipher,
4658 .cipher = __VECS(des3_ede_ctr_tv_template)
4661 /* Same as ctr(aes) except the key is stored in
4662 * hardware secure memory which we reference by index
4665 .test = alg_test_null,
4669 /* Same as ctr(sm4) except the key is stored in
4670 * hardware secure memory which we reference by index
4673 .test = alg_test_null,
4675 .alg = "ctr(serpent)",
4676 .test = alg_test_skcipher,
4678 .cipher = __VECS(serpent_ctr_tv_template)
4682 .test = alg_test_skcipher,
4684 .cipher = __VECS(sm4_ctr_tv_template)
4687 .alg = "ctr(twofish)",
4688 .test = alg_test_skcipher,
4690 .cipher = __VECS(tf_ctr_tv_template)
4693 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4694 .alg = "ctr-paes-s390",
4696 .test = alg_test_skcipher,
4698 .cipher = __VECS(aes_ctr_tv_template)
4702 .alg = "cts(cbc(aes))",
4703 .test = alg_test_skcipher,
4706 .cipher = __VECS(cts_mode_tv_template)
4709 /* Same as cts(cbc((aes)) except the key is stored in
4710 * hardware secure memory which we reference by index
4712 .alg = "cts(cbc(paes))",
4713 .test = alg_test_null,
4716 .alg = "cts(cbc(sm4))",
4717 .test = alg_test_skcipher,
4719 .cipher = __VECS(sm4_cts_tv_template)
4722 .alg = "curve25519",
4723 .test = alg_test_kpp,
4725 .kpp = __VECS(curve25519_tv_template)
4729 .test = alg_test_comp,
4733 .comp = __VECS(deflate_comp_tv_template),
4734 .decomp = __VECS(deflate_decomp_tv_template)
4739 .test = alg_test_kpp,
4741 .kpp = __VECS(dh_tv_template)
4744 .alg = "digest_null",
4745 .test = alg_test_null,
4747 .alg = "drbg_nopr_ctr_aes128",
4748 .test = alg_test_drbg,
4751 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4754 .alg = "drbg_nopr_ctr_aes192",
4755 .test = alg_test_drbg,
4758 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4761 .alg = "drbg_nopr_ctr_aes256",
4762 .test = alg_test_drbg,
4765 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4769 * There is no need to specifically test the DRBG with every
4770 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4772 .alg = "drbg_nopr_hmac_sha1",
4774 .test = alg_test_null,
4776 .alg = "drbg_nopr_hmac_sha256",
4777 .test = alg_test_drbg,
4780 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4783 /* covered by drbg_nopr_hmac_sha256 test */
4784 .alg = "drbg_nopr_hmac_sha384",
4786 .test = alg_test_null,
4788 .alg = "drbg_nopr_hmac_sha512",
4789 .test = alg_test_drbg,
4792 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4795 .alg = "drbg_nopr_sha1",
4797 .test = alg_test_null,
4799 .alg = "drbg_nopr_sha256",
4800 .test = alg_test_drbg,
4803 .drbg = __VECS(drbg_nopr_sha256_tv_template)
4806 /* covered by drbg_nopr_sha256 test */
4807 .alg = "drbg_nopr_sha384",
4809 .test = alg_test_null,
4811 .alg = "drbg_nopr_sha512",
4813 .test = alg_test_null,
4815 .alg = "drbg_pr_ctr_aes128",
4816 .test = alg_test_drbg,
4819 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4822 /* covered by drbg_pr_ctr_aes128 test */
4823 .alg = "drbg_pr_ctr_aes192",
4825 .test = alg_test_null,
4827 .alg = "drbg_pr_ctr_aes256",
4829 .test = alg_test_null,
4831 .alg = "drbg_pr_hmac_sha1",
4833 .test = alg_test_null,
4835 .alg = "drbg_pr_hmac_sha256",
4836 .test = alg_test_drbg,
4839 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4842 /* covered by drbg_pr_hmac_sha256 test */
4843 .alg = "drbg_pr_hmac_sha384",
4845 .test = alg_test_null,
4847 .alg = "drbg_pr_hmac_sha512",
4848 .test = alg_test_null,
4851 .alg = "drbg_pr_sha1",
4853 .test = alg_test_null,
4855 .alg = "drbg_pr_sha256",
4856 .test = alg_test_drbg,
4859 .drbg = __VECS(drbg_pr_sha256_tv_template)
4862 /* covered by drbg_pr_sha256 test */
4863 .alg = "drbg_pr_sha384",
4865 .test = alg_test_null,
4867 .alg = "drbg_pr_sha512",
4869 .test = alg_test_null,
4872 .test = alg_test_skcipher,
4875 .cipher = __VECS(aes_tv_template)
4878 .alg = "ecb(anubis)",
4879 .test = alg_test_skcipher,
4881 .cipher = __VECS(anubis_tv_template)
4885 .generic_driver = "ecb(arc4)-generic",
4886 .test = alg_test_skcipher,
4888 .cipher = __VECS(arc4_tv_template)
4892 .test = alg_test_skcipher,
4894 .cipher = __VECS(aria_tv_template)
4897 .alg = "ecb(blowfish)",
4898 .test = alg_test_skcipher,
4900 .cipher = __VECS(bf_tv_template)
4903 .alg = "ecb(camellia)",
4904 .test = alg_test_skcipher,
4906 .cipher = __VECS(camellia_tv_template)
4909 .alg = "ecb(cast5)",
4910 .test = alg_test_skcipher,
4912 .cipher = __VECS(cast5_tv_template)
4915 .alg = "ecb(cast6)",
4916 .test = alg_test_skcipher,
4918 .cipher = __VECS(cast6_tv_template)
4921 .alg = "ecb(cipher_null)",
4922 .test = alg_test_null,
4926 .test = alg_test_skcipher,
4928 .cipher = __VECS(des_tv_template)
4931 .alg = "ecb(des3_ede)",
4932 .test = alg_test_skcipher,
4934 .cipher = __VECS(des3_ede_tv_template)
4937 .alg = "ecb(fcrypt)",
4938 .test = alg_test_skcipher,
4941 .vecs = fcrypt_pcbc_tv_template,
4946 .alg = "ecb(khazad)",
4947 .test = alg_test_skcipher,
4949 .cipher = __VECS(khazad_tv_template)
4952 /* Same as ecb(aes) except the key is stored in
4953 * hardware secure memory which we reference by index
4956 .test = alg_test_null,
4960 .test = alg_test_skcipher,
4962 .cipher = __VECS(seed_tv_template)
4965 .alg = "ecb(serpent)",
4966 .test = alg_test_skcipher,
4968 .cipher = __VECS(serpent_tv_template)
4972 .test = alg_test_skcipher,
4974 .cipher = __VECS(sm4_tv_template)
4978 .test = alg_test_skcipher,
4980 .cipher = __VECS(tea_tv_template)
4983 .alg = "ecb(twofish)",
4984 .test = alg_test_skcipher,
4986 .cipher = __VECS(tf_tv_template)
4990 .test = alg_test_skcipher,
4992 .cipher = __VECS(xeta_tv_template)
4996 .test = alg_test_skcipher,
4998 .cipher = __VECS(xtea_tv_template)
5001 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5002 .alg = "ecb-paes-s390",
5004 .test = alg_test_skcipher,
5006 .cipher = __VECS(aes_tv_template)
5010 .alg = "ecdh-nist-p192",
5011 .test = alg_test_kpp,
5013 .kpp = __VECS(ecdh_p192_tv_template)
5016 .alg = "ecdh-nist-p256",
5017 .test = alg_test_kpp,
5020 .kpp = __VECS(ecdh_p256_tv_template)
5023 .alg = "ecdh-nist-p384",
5024 .test = alg_test_kpp,
5027 .kpp = __VECS(ecdh_p384_tv_template)
5030 .alg = "ecdsa-nist-p192",
5031 .test = alg_test_akcipher,
5033 .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5036 .alg = "ecdsa-nist-p256",
5037 .test = alg_test_akcipher,
5039 .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5042 .alg = "ecdsa-nist-p384",
5043 .test = alg_test_akcipher,
5045 .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5049 .test = alg_test_akcipher,
5051 .akcipher = __VECS(ecrdsa_tv_template)
5054 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5055 .test = alg_test_aead,
5058 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5061 .alg = "essiv(cbc(aes),sha256)",
5062 .test = alg_test_skcipher,
5065 .cipher = __VECS(essiv_aes_cbc_tv_template)
5068 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5069 .alg = "ffdhe2048(dh)",
5070 .test = alg_test_kpp,
5073 .kpp = __VECS(ffdhe2048_dh_tv_template)
5076 .alg = "ffdhe3072(dh)",
5077 .test = alg_test_kpp,
5080 .kpp = __VECS(ffdhe3072_dh_tv_template)
5083 .alg = "ffdhe4096(dh)",
5084 .test = alg_test_kpp,
5087 .kpp = __VECS(ffdhe4096_dh_tv_template)
5090 .alg = "ffdhe6144(dh)",
5091 .test = alg_test_kpp,
5094 .kpp = __VECS(ffdhe6144_dh_tv_template)
5097 .alg = "ffdhe8192(dh)",
5098 .test = alg_test_kpp,
5101 .kpp = __VECS(ffdhe8192_dh_tv_template)
5104 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5106 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5107 .test = alg_test_aead,
5110 .aead = __VECS(aes_gcm_tv_template)
5114 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5115 .test = alg_test_aead,
5117 .aead = __VECS(aria_gcm_tv_template)
5121 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5122 .test = alg_test_aead,
5124 .aead = __VECS(sm4_gcm_tv_template)
5128 .test = alg_test_hash,
5131 .hash = __VECS(ghash_tv_template)
5134 .alg = "hctr2(aes)",
5136 "hctr2_base(xctr(aes-generic),polyval-generic)",
5137 .test = alg_test_skcipher,
5139 .cipher = __VECS(aes_hctr2_tv_template)
5143 .test = alg_test_hash,
5145 .hash = __VECS(hmac_md5_tv_template)
5148 .alg = "hmac(rmd160)",
5149 .test = alg_test_hash,
5151 .hash = __VECS(hmac_rmd160_tv_template)
5154 .alg = "hmac(sha1)",
5155 .test = alg_test_hash,
5158 .hash = __VECS(hmac_sha1_tv_template)
5161 .alg = "hmac(sha224)",
5162 .test = alg_test_hash,
5165 .hash = __VECS(hmac_sha224_tv_template)
5168 .alg = "hmac(sha256)",
5169 .test = alg_test_hash,
5172 .hash = __VECS(hmac_sha256_tv_template)
5175 .alg = "hmac(sha3-224)",
5176 .test = alg_test_hash,
5179 .hash = __VECS(hmac_sha3_224_tv_template)
5182 .alg = "hmac(sha3-256)",
5183 .test = alg_test_hash,
5186 .hash = __VECS(hmac_sha3_256_tv_template)
5189 .alg = "hmac(sha3-384)",
5190 .test = alg_test_hash,
5193 .hash = __VECS(hmac_sha3_384_tv_template)
5196 .alg = "hmac(sha3-512)",
5197 .test = alg_test_hash,
5200 .hash = __VECS(hmac_sha3_512_tv_template)
5203 .alg = "hmac(sha384)",
5204 .test = alg_test_hash,
5207 .hash = __VECS(hmac_sha384_tv_template)
5210 .alg = "hmac(sha512)",
5211 .test = alg_test_hash,
5214 .hash = __VECS(hmac_sha512_tv_template)
5218 .test = alg_test_hash,
5220 .hash = __VECS(hmac_sm3_tv_template)
5223 .alg = "hmac(streebog256)",
5224 .test = alg_test_hash,
5226 .hash = __VECS(hmac_streebog256_tv_template)
5229 .alg = "hmac(streebog512)",
5230 .test = alg_test_hash,
5232 .hash = __VECS(hmac_streebog512_tv_template)
5235 .alg = "jitterentropy_rng",
5237 .test = alg_test_null,
5240 .test = alg_test_skcipher,
5243 .cipher = __VECS(aes_kw_tv_template)
5247 .generic_driver = "lrw(ecb(aes-generic))",
5248 .test = alg_test_skcipher,
5250 .cipher = __VECS(aes_lrw_tv_template)
5253 .alg = "lrw(camellia)",
5254 .generic_driver = "lrw(ecb(camellia-generic))",
5255 .test = alg_test_skcipher,
5257 .cipher = __VECS(camellia_lrw_tv_template)
5260 .alg = "lrw(cast6)",
5261 .generic_driver = "lrw(ecb(cast6-generic))",
5262 .test = alg_test_skcipher,
5264 .cipher = __VECS(cast6_lrw_tv_template)
5267 .alg = "lrw(serpent)",
5268 .generic_driver = "lrw(ecb(serpent-generic))",
5269 .test = alg_test_skcipher,
5271 .cipher = __VECS(serpent_lrw_tv_template)
5274 .alg = "lrw(twofish)",
5275 .generic_driver = "lrw(ecb(twofish-generic))",
5276 .test = alg_test_skcipher,
5278 .cipher = __VECS(tf_lrw_tv_template)
5282 .test = alg_test_comp,
5286 .comp = __VECS(lz4_comp_tv_template),
5287 .decomp = __VECS(lz4_decomp_tv_template)
5292 .test = alg_test_comp,
5296 .comp = __VECS(lz4hc_comp_tv_template),
5297 .decomp = __VECS(lz4hc_decomp_tv_template)
5302 .test = alg_test_comp,
5306 .comp = __VECS(lzo_comp_tv_template),
5307 .decomp = __VECS(lzo_decomp_tv_template)
5312 .test = alg_test_comp,
5316 .comp = __VECS(lzorle_comp_tv_template),
5317 .decomp = __VECS(lzorle_decomp_tv_template)
5322 .test = alg_test_hash,
5324 .hash = __VECS(md4_tv_template)
5328 .test = alg_test_hash,
5330 .hash = __VECS(md5_tv_template)
5333 .alg = "michael_mic",
5334 .test = alg_test_hash,
5336 .hash = __VECS(michael_mic_tv_template)
5339 .alg = "nhpoly1305",
5340 .test = alg_test_hash,
5342 .hash = __VECS(nhpoly1305_tv_template)
5346 .test = alg_test_skcipher,
5349 .cipher = __VECS(aes_ofb_tv_template)
5352 /* Same as ofb(aes) except the key is stored in
5353 * hardware secure memory which we reference by index
5356 .test = alg_test_null,
5360 .test = alg_test_skcipher,
5362 .cipher = __VECS(sm4_ofb_tv_template)
5365 .alg = "pcbc(fcrypt)",
5366 .test = alg_test_skcipher,
5368 .cipher = __VECS(fcrypt_pcbc_tv_template)
5371 .alg = "pkcs1pad(rsa,sha224)",
5372 .test = alg_test_null,
5375 .alg = "pkcs1pad(rsa,sha256)",
5376 .test = alg_test_akcipher,
5379 .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5382 .alg = "pkcs1pad(rsa,sha384)",
5383 .test = alg_test_null,
5386 .alg = "pkcs1pad(rsa,sha512)",
5387 .test = alg_test_null,
5391 .test = alg_test_hash,
5393 .hash = __VECS(poly1305_tv_template)
5397 .test = alg_test_hash,
5399 .hash = __VECS(polyval_tv_template)
5402 .alg = "rfc3686(ctr(aes))",
5403 .test = alg_test_skcipher,
5406 .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5409 .alg = "rfc3686(ctr(sm4))",
5410 .test = alg_test_skcipher,
5412 .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5415 .alg = "rfc4106(gcm(aes))",
5416 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5417 .test = alg_test_aead,
5421 ____VECS(aes_gcm_rfc4106_tv_template),
5422 .einval_allowed = 1,
5427 .alg = "rfc4309(ccm(aes))",
5428 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5429 .test = alg_test_aead,
5433 ____VECS(aes_ccm_rfc4309_tv_template),
5434 .einval_allowed = 1,
5439 .alg = "rfc4543(gcm(aes))",
5440 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5441 .test = alg_test_aead,
5444 ____VECS(aes_gcm_rfc4543_tv_template),
5445 .einval_allowed = 1,
5450 .alg = "rfc7539(chacha20,poly1305)",
5451 .test = alg_test_aead,
5453 .aead = __VECS(rfc7539_tv_template)
5456 .alg = "rfc7539esp(chacha20,poly1305)",
5457 .test = alg_test_aead,
5460 ____VECS(rfc7539esp_tv_template),
5461 .einval_allowed = 1,
5467 .test = alg_test_hash,
5469 .hash = __VECS(rmd160_tv_template)
5473 .test = alg_test_akcipher,
5476 .akcipher = __VECS(rsa_tv_template)
5480 .test = alg_test_hash,
5483 .hash = __VECS(sha1_tv_template)
5487 .test = alg_test_hash,
5490 .hash = __VECS(sha224_tv_template)
5494 .test = alg_test_hash,
5497 .hash = __VECS(sha256_tv_template)
5501 .test = alg_test_hash,
5504 .hash = __VECS(sha3_224_tv_template)
5508 .test = alg_test_hash,
5511 .hash = __VECS(sha3_256_tv_template)
5515 .test = alg_test_hash,
5518 .hash = __VECS(sha3_384_tv_template)
5522 .test = alg_test_hash,
5525 .hash = __VECS(sha3_512_tv_template)
5529 .test = alg_test_hash,
5532 .hash = __VECS(sha384_tv_template)
5536 .test = alg_test_hash,
5539 .hash = __VECS(sha512_tv_template)
5543 .test = alg_test_akcipher,
5545 .akcipher = __VECS(sm2_tv_template)
5549 .test = alg_test_hash,
5551 .hash = __VECS(sm3_tv_template)
5554 .alg = "streebog256",
5555 .test = alg_test_hash,
5557 .hash = __VECS(streebog256_tv_template)
5560 .alg = "streebog512",
5561 .test = alg_test_hash,
5563 .hash = __VECS(streebog512_tv_template)
5566 .alg = "vmac64(aes)",
5567 .test = alg_test_hash,
5569 .hash = __VECS(vmac64_aes_tv_template)
5573 .test = alg_test_hash,
5575 .hash = __VECS(wp256_tv_template)
5579 .test = alg_test_hash,
5581 .hash = __VECS(wp384_tv_template)
5585 .test = alg_test_hash,
5587 .hash = __VECS(wp512_tv_template)
5591 .test = alg_test_hash,
5593 .hash = __VECS(aes_xcbc128_tv_template)
5597 .test = alg_test_hash,
5599 .hash = __VECS(sm4_xcbc128_tv_template)
5603 .test = alg_test_skcipher,
5605 .cipher = __VECS(xchacha12_tv_template)
5609 .test = alg_test_skcipher,
5611 .cipher = __VECS(xchacha20_tv_template)
5615 .test = alg_test_skcipher,
5617 .cipher = __VECS(aes_xctr_tv_template)
5621 .generic_driver = "xts(ecb(aes-generic))",
5622 .test = alg_test_skcipher,
5625 .cipher = __VECS(aes_xts_tv_template)
5628 .alg = "xts(camellia)",
5629 .generic_driver = "xts(ecb(camellia-generic))",
5630 .test = alg_test_skcipher,
5632 .cipher = __VECS(camellia_xts_tv_template)
5635 .alg = "xts(cast6)",
5636 .generic_driver = "xts(ecb(cast6-generic))",
5637 .test = alg_test_skcipher,
5639 .cipher = __VECS(cast6_xts_tv_template)
5642 /* Same as xts(aes) except the key is stored in
5643 * hardware secure memory which we reference by index
5646 .test = alg_test_null,
5649 .alg = "xts(serpent)",
5650 .generic_driver = "xts(ecb(serpent-generic))",
5651 .test = alg_test_skcipher,
5653 .cipher = __VECS(serpent_xts_tv_template)
5657 .generic_driver = "xts(ecb(sm4-generic))",
5658 .test = alg_test_skcipher,
5660 .cipher = __VECS(sm4_xts_tv_template)
5663 .alg = "xts(twofish)",
5664 .generic_driver = "xts(ecb(twofish-generic))",
5665 .test = alg_test_skcipher,
5667 .cipher = __VECS(tf_xts_tv_template)
5670 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5671 .alg = "xts-paes-s390",
5673 .test = alg_test_skcipher,
5675 .cipher = __VECS(aes_xts_tv_template)
5679 .alg = "xts4096(paes)",
5680 .test = alg_test_null,
5683 .alg = "xts512(paes)",
5684 .test = alg_test_null,
5688 .test = alg_test_hash,
5691 .hash = __VECS(xxhash64_tv_template)
5694 .alg = "zlib-deflate",
5695 .test = alg_test_comp,
5699 .comp = __VECS(zlib_deflate_comp_tv_template),
5700 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5705 .test = alg_test_comp,
5709 .comp = __VECS(zstd_comp_tv_template),
5710 .decomp = __VECS(zstd_decomp_tv_template)
5716 static void alg_check_test_descs_order(void)
5720 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5721 int diff = strcmp(alg_test_descs[i - 1].alg,
5722 alg_test_descs[i].alg);
5724 if (WARN_ON(diff > 0)) {
5725 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5726 alg_test_descs[i - 1].alg,
5727 alg_test_descs[i].alg);
5730 if (WARN_ON(diff == 0)) {
5731 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5732 alg_test_descs[i].alg);
5737 static void alg_check_testvec_configs(void)
5741 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5742 WARN_ON(!valid_testvec_config(
5743 &default_cipher_testvec_configs[i]));
5745 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5746 WARN_ON(!valid_testvec_config(
5747 &default_hash_testvec_configs[i]));
5750 static void testmgr_onetime_init(void)
5752 alg_check_test_descs_order();
5753 alg_check_testvec_configs();
5755 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5756 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n");
5760 static int alg_find_test(const char *alg)
5763 int end = ARRAY_SIZE(alg_test_descs);
5765 while (start < end) {
5766 int i = (start + end) / 2;
5767 int diff = strcmp(alg_test_descs[i].alg, alg);
5785 static int alg_fips_disabled(const char *driver, const char *alg)
5787 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5792 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5798 if (!fips_enabled && notests) {
5799 printk_once(KERN_INFO "alg: self-tests disabled\n");
5803 DO_ONCE(testmgr_onetime_init);
5805 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5806 char nalg[CRYPTO_MAX_ALG_NAME];
5808 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5810 return -ENAMETOOLONG;
5812 i = alg_find_test(nalg);
5816 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5819 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5823 i = alg_find_test(alg);
5824 j = alg_find_test(driver);
5829 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5832 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5838 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5840 if (j >= 0 && j != i)
5841 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5846 if (fips_enabled || panic_on_fail) {
5848 panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5850 fips_enabled ? "fips" : "panic_on_fail");
5852 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5855 "alg: self-tests for %s using %s failed (rc=%d)",
5859 pr_info("alg: self-tests for %s (%s) passed\n",
5866 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5868 if (type & CRYPTO_ALG_FIPS_INTERNAL)
5869 return alg_fips_disabled(driver, alg);
5873 return alg_fips_disabled(driver, alg);
5876 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5878 EXPORT_SYMBOL_GPL(alg_test);