1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Algorithm testing framework and tests.
4 *
5 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7 * Copyright (c) 2007 Nokia Siemens Networks
8 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9 * Copyright (c) 2019 Google LLC
10 *
11 * Updated RFC4106 AES-GCM testing.
12 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13 * Adrian Hoban <adrian.hoban@intel.com>
14 * Gabriele Paoloni <gabriele.paoloni@intel.com>
15 * Tadeusz Struk (tadeusz.struk@intel.com)
16 * Copyright (c) 2010, Intel Corporation.
17 */
18
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38
39 #include "internal.h"
40
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 #endif
59
60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
61
62 /* a perfect nop */
alg_test(const char * driver,const char * alg,u32 type,u32 mask)63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
64 {
65 return 0;
66 }
67
68 #else
69
70 #include "testmgr.h"
71
72 /*
73 * Need slab memory for testing (size in number of pages).
74 */
75 #define XBUFSIZE 8
76
77 /*
78 * Used by test_cipher()
79 */
80 #define ENCRYPT 1
81 #define DECRYPT 0
82
83 struct aead_test_suite {
84 const struct aead_testvec *vecs;
85 unsigned int count;
86
87 /*
88 * Set if trying to decrypt an inauthentic ciphertext with this
89 * algorithm might result in EINVAL rather than EBADMSG, due to other
90 * validation the algorithm does on the inputs such as length checks.
91 */
92 unsigned int einval_allowed : 1;
93
94 /*
95 * Set if this algorithm requires that the IV be located at the end of
96 * the AAD buffer, in addition to being given in the normal way. The
97 * behavior when the two IV copies differ is implementation-defined.
98 */
99 unsigned int aad_iv : 1;
100 };
101
102 struct cipher_test_suite {
103 const struct cipher_testvec *vecs;
104 unsigned int count;
105 };
106
107 struct comp_test_suite {
108 struct {
109 const struct comp_testvec *vecs;
110 unsigned int count;
111 } comp, decomp;
112 };
113
114 struct hash_test_suite {
115 const struct hash_testvec *vecs;
116 unsigned int count;
117 };
118
119 struct cprng_test_suite {
120 const struct cprng_testvec *vecs;
121 unsigned int count;
122 };
123
124 struct drbg_test_suite {
125 const struct drbg_testvec *vecs;
126 unsigned int count;
127 };
128
129 struct akcipher_test_suite {
130 const struct akcipher_testvec *vecs;
131 unsigned int count;
132 };
133
134 struct kpp_test_suite {
135 const struct kpp_testvec *vecs;
136 unsigned int count;
137 };
138
139 struct alg_test_desc {
140 const char *alg;
141 const char *generic_driver;
142 int (*test)(const struct alg_test_desc *desc, const char *driver,
143 u32 type, u32 mask);
144 int fips_allowed; /* set if alg is allowed in fips mode */
145
146 union {
147 struct aead_test_suite aead;
148 struct cipher_test_suite cipher;
149 struct comp_test_suite comp;
150 struct hash_test_suite hash;
151 struct cprng_test_suite cprng;
152 struct drbg_test_suite drbg;
153 struct akcipher_test_suite akcipher;
154 struct kpp_test_suite kpp;
155 } suite;
156 };
157
hexdump(unsigned char * buf,unsigned int len)158 static void hexdump(unsigned char *buf, unsigned int len)
159 {
160 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
161 16, 1,
162 buf, len, false);
163 }
164
__testmgr_alloc_buf(char * buf[XBUFSIZE],int order)165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
166 {
167 int i;
168
169 for (i = 0; i < XBUFSIZE; i++) {
170 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
171 if (!buf[i])
172 goto err_free_buf;
173 }
174
175 return 0;
176
177 err_free_buf:
178 while (i-- > 0)
179 free_pages((unsigned long)buf[i], order);
180
181 return -ENOMEM;
182 }
183
testmgr_alloc_buf(char * buf[XBUFSIZE])184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
185 {
186 return __testmgr_alloc_buf(buf, 0);
187 }
188
__testmgr_free_buf(char * buf[XBUFSIZE],int order)189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
190 {
191 int i;
192
193 for (i = 0; i < XBUFSIZE; i++)
194 free_pages((unsigned long)buf[i], order);
195 }
196
testmgr_free_buf(char * buf[XBUFSIZE])197 static void testmgr_free_buf(char *buf[XBUFSIZE])
198 {
199 __testmgr_free_buf(buf, 0);
200 }
201
202 #define TESTMGR_POISON_BYTE 0xfe
203 #define TESTMGR_POISON_LEN 16
204
testmgr_poison(void * addr,size_t len)205 static inline void testmgr_poison(void *addr, size_t len)
206 {
207 memset(addr, TESTMGR_POISON_BYTE, len);
208 }
209
210 /* Is the memory region still fully poisoned? */
testmgr_is_poison(const void * addr,size_t len)211 static inline bool testmgr_is_poison(const void *addr, size_t len)
212 {
213 return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
214 }
215
216 /* flush type for hash algorithms */
217 enum flush_type {
218 /* merge with update of previous buffer(s) */
219 FLUSH_TYPE_NONE = 0,
220
221 /* update with previous buffer(s) before doing this one */
222 FLUSH_TYPE_FLUSH,
223
224 /* likewise, but also export and re-import the intermediate state */
225 FLUSH_TYPE_REIMPORT,
226 };
227
228 /* finalization function for hash algorithms */
229 enum finalization_type {
230 FINALIZATION_TYPE_FINAL, /* use final() */
231 FINALIZATION_TYPE_FINUP, /* use finup() */
232 FINALIZATION_TYPE_DIGEST, /* use digest() */
233 };
234
235 /*
236 * Whether the crypto operation will occur in-place, and if so whether the
237 * source and destination scatterlist pointers will coincide (req->src ==
238 * req->dst), or whether they'll merely point to two separate scatterlists
239 * (req->src != req->dst) that reference the same underlying memory.
240 *
241 * This is only relevant for algorithm types that support in-place operation.
242 */
243 enum inplace_mode {
244 OUT_OF_PLACE,
245 INPLACE_ONE_SGLIST,
246 INPLACE_TWO_SGLISTS,
247 };
248
249 #define TEST_SG_TOTAL 10000
250
251 /**
252 * struct test_sg_division - description of a scatterlist entry
253 *
254 * This struct describes one entry of a scatterlist being constructed to check a
255 * crypto test vector.
256 *
257 * @proportion_of_total: length of this chunk relative to the total length,
258 * given as a proportion out of TEST_SG_TOTAL so that it
259 * scales to fit any test vector
260 * @offset: byte offset into a 2-page buffer at which this chunk will start
261 * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
262 * @offset
263 * @flush_type: for hashes, whether an update() should be done now vs.
264 * continuing to accumulate data
265 * @nosimd: if doing the pending update(), do it with SIMD disabled?
266 */
267 struct test_sg_division {
268 unsigned int proportion_of_total;
269 unsigned int offset;
270 bool offset_relative_to_alignmask;
271 enum flush_type flush_type;
272 bool nosimd;
273 };
274
275 /**
276 * struct testvec_config - configuration for testing a crypto test vector
277 *
278 * This struct describes the data layout and other parameters with which each
279 * crypto test vector can be tested.
280 *
281 * @name: name of this config, logged for debugging purposes if a test fails
282 * @inplace_mode: whether and how to operate on the data in-place, if applicable
283 * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
284 * @src_divs: description of how to arrange the source scatterlist
285 * @dst_divs: description of how to arrange the dst scatterlist, if applicable
286 * for the algorithm type. Defaults to @src_divs if unset.
287 * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
288 * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
289 * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
290 * the @iv_offset
291 * @key_offset: misalignment of the key, where 0 is default alignment
292 * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
293 * the @key_offset
294 * @finalization_type: what finalization function to use for hashes
295 * @nosimd: execute with SIMD disabled? Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
296 * This applies to the parts of the operation that aren't controlled
297 * individually by @nosimd_setkey or @src_divs[].nosimd.
298 * @nosimd_setkey: set the key (if applicable) with SIMD disabled? Requires
299 * !CRYPTO_TFM_REQ_MAY_SLEEP.
300 */
301 struct testvec_config {
302 const char *name;
303 enum inplace_mode inplace_mode;
304 u32 req_flags;
305 struct test_sg_division src_divs[XBUFSIZE];
306 struct test_sg_division dst_divs[XBUFSIZE];
307 unsigned int iv_offset;
308 unsigned int key_offset;
309 bool iv_offset_relative_to_alignmask;
310 bool key_offset_relative_to_alignmask;
311 enum finalization_type finalization_type;
312 bool nosimd;
313 bool nosimd_setkey;
314 };
315
316 #define TESTVEC_CONFIG_NAMELEN 192
317
318 /*
319 * The following are the lists of testvec_configs to test for each algorithm
320 * type when the basic crypto self-tests are enabled, i.e. when
321 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test
322 * coverage, while keeping the test time much shorter than the full fuzz tests
323 * so that the basic tests can be enabled in a wider range of circumstances.
324 */
325
326 /* Configs for skciphers and aeads */
327 static const struct testvec_config default_cipher_testvec_configs[] = {
328 {
329 .name = "in-place (one sglist)",
330 .inplace_mode = INPLACE_ONE_SGLIST,
331 .src_divs = { { .proportion_of_total = 10000 } },
332 }, {
333 .name = "in-place (two sglists)",
334 .inplace_mode = INPLACE_TWO_SGLISTS,
335 .src_divs = { { .proportion_of_total = 10000 } },
336 }, {
337 .name = "out-of-place",
338 .inplace_mode = OUT_OF_PLACE,
339 .src_divs = { { .proportion_of_total = 10000 } },
340 }, {
341 .name = "unaligned buffer, offset=1",
342 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
343 .iv_offset = 1,
344 .key_offset = 1,
345 }, {
346 .name = "buffer aligned only to alignmask",
347 .src_divs = {
348 {
349 .proportion_of_total = 10000,
350 .offset = 1,
351 .offset_relative_to_alignmask = true,
352 },
353 },
354 .iv_offset = 1,
355 .iv_offset_relative_to_alignmask = true,
356 .key_offset = 1,
357 .key_offset_relative_to_alignmask = true,
358 }, {
359 .name = "two even aligned splits",
360 .src_divs = {
361 { .proportion_of_total = 5000 },
362 { .proportion_of_total = 5000 },
363 },
364 }, {
365 .name = "one src, two even splits dst",
366 .inplace_mode = OUT_OF_PLACE,
367 .src_divs = { { .proportion_of_total = 10000 } },
368 .dst_divs = {
369 { .proportion_of_total = 5000 },
370 { .proportion_of_total = 5000 },
371 },
372 }, {
373 .name = "uneven misaligned splits, may sleep",
374 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
375 .src_divs = {
376 { .proportion_of_total = 1900, .offset = 33 },
377 { .proportion_of_total = 3300, .offset = 7 },
378 { .proportion_of_total = 4800, .offset = 18 },
379 },
380 .iv_offset = 3,
381 .key_offset = 3,
382 }, {
383 .name = "misaligned splits crossing pages, inplace",
384 .inplace_mode = INPLACE_ONE_SGLIST,
385 .src_divs = {
386 {
387 .proportion_of_total = 7500,
388 .offset = PAGE_SIZE - 32
389 }, {
390 .proportion_of_total = 2500,
391 .offset = PAGE_SIZE - 7
392 },
393 },
394 }
395 };
396
397 static const struct testvec_config default_hash_testvec_configs[] = {
398 {
399 .name = "init+update+final aligned buffer",
400 .src_divs = { { .proportion_of_total = 10000 } },
401 .finalization_type = FINALIZATION_TYPE_FINAL,
402 }, {
403 .name = "init+finup aligned buffer",
404 .src_divs = { { .proportion_of_total = 10000 } },
405 .finalization_type = FINALIZATION_TYPE_FINUP,
406 }, {
407 .name = "digest aligned buffer",
408 .src_divs = { { .proportion_of_total = 10000 } },
409 .finalization_type = FINALIZATION_TYPE_DIGEST,
410 }, {
411 .name = "init+update+final misaligned buffer",
412 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
413 .finalization_type = FINALIZATION_TYPE_FINAL,
414 .key_offset = 1,
415 }, {
416 .name = "digest misaligned buffer",
417 .src_divs = {
418 {
419 .proportion_of_total = 10000,
420 .offset = 1,
421 },
422 },
423 .finalization_type = FINALIZATION_TYPE_DIGEST,
424 .key_offset = 1,
425 }, {
426 .name = "init+update+update+final two even splits",
427 .src_divs = {
428 { .proportion_of_total = 5000 },
429 {
430 .proportion_of_total = 5000,
431 .flush_type = FLUSH_TYPE_FLUSH,
432 },
433 },
434 .finalization_type = FINALIZATION_TYPE_FINAL,
435 }, {
436 .name = "digest uneven misaligned splits, may sleep",
437 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
438 .src_divs = {
439 { .proportion_of_total = 1900, .offset = 33 },
440 { .proportion_of_total = 3300, .offset = 7 },
441 { .proportion_of_total = 4800, .offset = 18 },
442 },
443 .finalization_type = FINALIZATION_TYPE_DIGEST,
444 }, {
445 .name = "digest misaligned splits crossing pages",
446 .src_divs = {
447 {
448 .proportion_of_total = 7500,
449 .offset = PAGE_SIZE - 32,
450 }, {
451 .proportion_of_total = 2500,
452 .offset = PAGE_SIZE - 7,
453 },
454 },
455 .finalization_type = FINALIZATION_TYPE_DIGEST,
456 }, {
457 .name = "import/export",
458 .src_divs = {
459 {
460 .proportion_of_total = 6500,
461 .flush_type = FLUSH_TYPE_REIMPORT,
462 }, {
463 .proportion_of_total = 3500,
464 .flush_type = FLUSH_TYPE_REIMPORT,
465 },
466 },
467 .finalization_type = FINALIZATION_TYPE_FINAL,
468 }
469 };
470
count_test_sg_divisions(const struct test_sg_division * divs)471 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
472 {
473 unsigned int remaining = TEST_SG_TOTAL;
474 unsigned int ndivs = 0;
475
476 do {
477 remaining -= divs[ndivs++].proportion_of_total;
478 } while (remaining);
479
480 return ndivs;
481 }
482
483 #define SGDIVS_HAVE_FLUSHES BIT(0)
484 #define SGDIVS_HAVE_NOSIMD BIT(1)
485
valid_sg_divisions(const struct test_sg_division * divs,unsigned int count,int * flags_ret)486 static bool valid_sg_divisions(const struct test_sg_division *divs,
487 unsigned int count, int *flags_ret)
488 {
489 unsigned int total = 0;
490 unsigned int i;
491
492 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
493 if (divs[i].proportion_of_total <= 0 ||
494 divs[i].proportion_of_total > TEST_SG_TOTAL - total)
495 return false;
496 total += divs[i].proportion_of_total;
497 if (divs[i].flush_type != FLUSH_TYPE_NONE)
498 *flags_ret |= SGDIVS_HAVE_FLUSHES;
499 if (divs[i].nosimd)
500 *flags_ret |= SGDIVS_HAVE_NOSIMD;
501 }
502 return total == TEST_SG_TOTAL &&
503 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
504 }
505
506 /*
507 * Check whether the given testvec_config is valid. This isn't strictly needed
508 * since every testvec_config should be valid, but check anyway so that people
509 * don't unknowingly add broken configs that don't do what they wanted.
510 */
valid_testvec_config(const struct testvec_config * cfg)511 static bool valid_testvec_config(const struct testvec_config *cfg)
512 {
513 int flags = 0;
514
515 if (cfg->name == NULL)
516 return false;
517
518 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
519 &flags))
520 return false;
521
522 if (cfg->dst_divs[0].proportion_of_total) {
523 if (!valid_sg_divisions(cfg->dst_divs,
524 ARRAY_SIZE(cfg->dst_divs), &flags))
525 return false;
526 } else {
527 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
528 return false;
529 /* defaults to dst_divs=src_divs */
530 }
531
532 if (cfg->iv_offset +
533 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
534 MAX_ALGAPI_ALIGNMASK + 1)
535 return false;
536
537 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
538 cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
539 return false;
540
541 if ((cfg->nosimd || cfg->nosimd_setkey ||
542 (flags & SGDIVS_HAVE_NOSIMD)) &&
543 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
544 return false;
545
546 return true;
547 }
548
549 struct test_sglist {
550 char *bufs[XBUFSIZE];
551 struct scatterlist sgl[XBUFSIZE];
552 struct scatterlist sgl_saved[XBUFSIZE];
553 struct scatterlist *sgl_ptr;
554 unsigned int nents;
555 };
556
init_test_sglist(struct test_sglist * tsgl)557 static int init_test_sglist(struct test_sglist *tsgl)
558 {
559 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
560 }
561
destroy_test_sglist(struct test_sglist * tsgl)562 static void destroy_test_sglist(struct test_sglist *tsgl)
563 {
564 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
565 }
566
567 /**
568 * build_test_sglist() - build a scatterlist for a crypto test
569 *
570 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page
571 * buffers which the scatterlist @tsgl->sgl[] will be made to point into.
572 * @divs: the layout specification on which the scatterlist will be based
573 * @alignmask: the algorithm's alignmask
574 * @total_len: the total length of the scatterlist to build in bytes
575 * @data: if non-NULL, the buffers will be filled with this data until it ends.
576 * Otherwise the buffers will be poisoned. In both cases, some bytes
577 * past the end of each buffer will be poisoned to help detect overruns.
578 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
579 * corresponds will be returned here. This will match @divs except
580 * that divisions resolving to a length of 0 are omitted as they are
581 * not included in the scatterlist.
582 *
583 * Return: 0 or a -errno value
584 */
build_test_sglist(struct test_sglist * tsgl,const struct test_sg_division * divs,const unsigned int alignmask,const unsigned int total_len,struct iov_iter * data,const struct test_sg_division * out_divs[XBUFSIZE])585 static int build_test_sglist(struct test_sglist *tsgl,
586 const struct test_sg_division *divs,
587 const unsigned int alignmask,
588 const unsigned int total_len,
589 struct iov_iter *data,
590 const struct test_sg_division *out_divs[XBUFSIZE])
591 {
592 struct {
593 const struct test_sg_division *div;
594 size_t length;
595 } partitions[XBUFSIZE];
596 const unsigned int ndivs = count_test_sg_divisions(divs);
597 unsigned int len_remaining = total_len;
598 unsigned int i;
599
600 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
601 if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
602 return -EINVAL;
603
604 /* Calculate the (div, length) pairs */
605 tsgl->nents = 0;
606 for (i = 0; i < ndivs; i++) {
607 unsigned int len_this_sg =
608 min(len_remaining,
609 (total_len * divs[i].proportion_of_total +
610 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
611
612 if (len_this_sg != 0) {
613 partitions[tsgl->nents].div = &divs[i];
614 partitions[tsgl->nents].length = len_this_sg;
615 tsgl->nents++;
616 len_remaining -= len_this_sg;
617 }
618 }
619 if (tsgl->nents == 0) {
620 partitions[tsgl->nents].div = &divs[0];
621 partitions[tsgl->nents].length = 0;
622 tsgl->nents++;
623 }
624 partitions[tsgl->nents - 1].length += len_remaining;
625
626 /* Set up the sgl entries and fill the data or poison */
627 sg_init_table(tsgl->sgl, tsgl->nents);
628 for (i = 0; i < tsgl->nents; i++) {
629 unsigned int offset = partitions[i].div->offset;
630 void *addr;
631
632 if (partitions[i].div->offset_relative_to_alignmask)
633 offset += alignmask;
634
635 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
636 2 * PAGE_SIZE) {
637 if (WARN_ON(offset <= 0))
638 return -EINVAL;
639 offset /= 2;
640 }
641
642 addr = &tsgl->bufs[i][offset];
643 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
644
645 if (out_divs)
646 out_divs[i] = partitions[i].div;
647
648 if (data) {
649 size_t copy_len, copied;
650
651 copy_len = min(partitions[i].length, data->count);
652 copied = copy_from_iter(addr, copy_len, data);
653 if (WARN_ON(copied != copy_len))
654 return -EINVAL;
655 testmgr_poison(addr + copy_len, partitions[i].length +
656 TESTMGR_POISON_LEN - copy_len);
657 } else {
658 testmgr_poison(addr, partitions[i].length +
659 TESTMGR_POISON_LEN);
660 }
661 }
662
663 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
664 tsgl->sgl_ptr = tsgl->sgl;
665 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
666 return 0;
667 }
668
669 /*
670 * Verify that a scatterlist crypto operation produced the correct output.
671 *
672 * @tsgl: scatterlist containing the actual output
673 * @expected_output: buffer containing the expected output
674 * @len_to_check: length of @expected_output in bytes
675 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
676 * @check_poison: verify that the poison bytes after each chunk are intact?
677 *
678 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
679 */
verify_correct_output(const struct test_sglist * tsgl,const char * expected_output,unsigned int len_to_check,unsigned int unchecked_prefix_len,bool check_poison)680 static int verify_correct_output(const struct test_sglist *tsgl,
681 const char *expected_output,
682 unsigned int len_to_check,
683 unsigned int unchecked_prefix_len,
684 bool check_poison)
685 {
686 unsigned int i;
687
688 for (i = 0; i < tsgl->nents; i++) {
689 struct scatterlist *sg = &tsgl->sgl_ptr[i];
690 unsigned int len = sg->length;
691 unsigned int offset = sg->offset;
692 const char *actual_output;
693
694 if (unchecked_prefix_len) {
695 if (unchecked_prefix_len >= len) {
696 unchecked_prefix_len -= len;
697 continue;
698 }
699 offset += unchecked_prefix_len;
700 len -= unchecked_prefix_len;
701 unchecked_prefix_len = 0;
702 }
703 len = min(len, len_to_check);
704 actual_output = page_address(sg_page(sg)) + offset;
705 if (memcmp(expected_output, actual_output, len) != 0)
706 return -EINVAL;
707 if (check_poison &&
708 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
709 return -EOVERFLOW;
710 len_to_check -= len;
711 expected_output += len;
712 }
713 if (WARN_ON(len_to_check != 0))
714 return -EINVAL;
715 return 0;
716 }
717
is_test_sglist_corrupted(const struct test_sglist * tsgl)718 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
719 {
720 unsigned int i;
721
722 for (i = 0; i < tsgl->nents; i++) {
723 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
724 return true;
725 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
726 return true;
727 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
728 return true;
729 }
730 return false;
731 }
732
733 struct cipher_test_sglists {
734 struct test_sglist src;
735 struct test_sglist dst;
736 };
737
alloc_cipher_test_sglists(void)738 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
739 {
740 struct cipher_test_sglists *tsgls;
741
742 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
743 if (!tsgls)
744 return NULL;
745
746 if (init_test_sglist(&tsgls->src) != 0)
747 goto fail_kfree;
748 if (init_test_sglist(&tsgls->dst) != 0)
749 goto fail_destroy_src;
750
751 return tsgls;
752
753 fail_destroy_src:
754 destroy_test_sglist(&tsgls->src);
755 fail_kfree:
756 kfree(tsgls);
757 return NULL;
758 }
759
free_cipher_test_sglists(struct cipher_test_sglists * tsgls)760 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
761 {
762 if (tsgls) {
763 destroy_test_sglist(&tsgls->src);
764 destroy_test_sglist(&tsgls->dst);
765 kfree(tsgls);
766 }
767 }
768
769 /* Build the src and dst scatterlists for an skcipher or AEAD test */
build_cipher_test_sglists(struct cipher_test_sglists * tsgls,const struct testvec_config * cfg,unsigned int alignmask,unsigned int src_total_len,unsigned int dst_total_len,const struct kvec * inputs,unsigned int nr_inputs)770 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
771 const struct testvec_config *cfg,
772 unsigned int alignmask,
773 unsigned int src_total_len,
774 unsigned int dst_total_len,
775 const struct kvec *inputs,
776 unsigned int nr_inputs)
777 {
778 struct iov_iter input;
779 int err;
780
781 iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
782 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
783 cfg->inplace_mode != OUT_OF_PLACE ?
784 max(dst_total_len, src_total_len) :
785 src_total_len,
786 &input, NULL);
787 if (err)
788 return err;
789
790 /*
791 * In-place crypto operations can use the same scatterlist for both the
792 * source and destination (req->src == req->dst), or can use separate
793 * scatterlists (req->src != req->dst) which point to the same
794 * underlying memory. Make sure to test both cases.
795 */
796 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
797 tsgls->dst.sgl_ptr = tsgls->src.sgl;
798 tsgls->dst.nents = tsgls->src.nents;
799 return 0;
800 }
801 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
802 /*
803 * For now we keep it simple and only test the case where the
804 * two scatterlists have identical entries, rather than
805 * different entries that split up the same memory differently.
806 */
807 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
808 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
809 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
810 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
811 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
812 tsgls->dst.nents = tsgls->src.nents;
813 return 0;
814 }
815 /* Out of place */
816 return build_test_sglist(&tsgls->dst,
817 cfg->dst_divs[0].proportion_of_total ?
818 cfg->dst_divs : cfg->src_divs,
819 alignmask, dst_total_len, NULL, NULL);
820 }
821
822 /*
823 * Support for testing passing a misaligned key to setkey():
824 *
825 * If cfg->key_offset is set, copy the key into a new buffer at that offset,
826 * optionally adding alignmask. Else, just use the key directly.
827 */
prepare_keybuf(const u8 * key,unsigned int ksize,const struct testvec_config * cfg,unsigned int alignmask,const u8 ** keybuf_ret,const u8 ** keyptr_ret)828 static int prepare_keybuf(const u8 *key, unsigned int ksize,
829 const struct testvec_config *cfg,
830 unsigned int alignmask,
831 const u8 **keybuf_ret, const u8 **keyptr_ret)
832 {
833 unsigned int key_offset = cfg->key_offset;
834 u8 *keybuf = NULL, *keyptr = (u8 *)key;
835
836 if (key_offset != 0) {
837 if (cfg->key_offset_relative_to_alignmask)
838 key_offset += alignmask;
839 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
840 if (!keybuf)
841 return -ENOMEM;
842 keyptr = keybuf + key_offset;
843 memcpy(keyptr, key, ksize);
844 }
845 *keybuf_ret = keybuf;
846 *keyptr_ret = keyptr;
847 return 0;
848 }
849
850 /*
851 * Like setkey_f(tfm, key, ksize), but sometimes misalign the key.
852 * In addition, run the setkey function in no-SIMD context if requested.
853 */
854 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \
855 ({ \
856 const u8 *keybuf, *keyptr; \
857 int err; \
858 \
859 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \
860 &keybuf, &keyptr); \
861 if (err == 0) { \
862 if ((cfg)->nosimd_setkey) \
863 crypto_disable_simd_for_test(); \
864 err = setkey_f((tfm), keyptr, (ksize)); \
865 if ((cfg)->nosimd_setkey) \
866 crypto_reenable_simd_for_test(); \
867 kfree(keybuf); \
868 } \
869 err; \
870 })
871
872 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
873
874 /*
875 * The fuzz tests use prandom instead of the normal Linux RNG since they don't
876 * need cryptographically secure random numbers. This greatly improves the
877 * performance of these tests, especially if they are run before the Linux RNG
878 * has been initialized or if they are run on a lockdep-enabled kernel.
879 */
880
init_rnd_state(struct rnd_state * rng)881 static inline void init_rnd_state(struct rnd_state *rng)
882 {
883 prandom_seed_state(rng, get_random_u64());
884 }
885
prandom_u8(struct rnd_state * rng)886 static inline u8 prandom_u8(struct rnd_state *rng)
887 {
888 return prandom_u32_state(rng);
889 }
890
prandom_u32_below(struct rnd_state * rng,u32 ceil)891 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
892 {
893 /*
894 * This is slightly biased for non-power-of-2 values of 'ceil', but this
895 * isn't important here.
896 */
897 return prandom_u32_state(rng) % ceil;
898 }
899
prandom_bool(struct rnd_state * rng)900 static inline bool prandom_bool(struct rnd_state *rng)
901 {
902 return prandom_u32_below(rng, 2);
903 }
904
prandom_u32_inclusive(struct rnd_state * rng,u32 floor,u32 ceil)905 static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
906 u32 floor, u32 ceil)
907 {
908 return floor + prandom_u32_below(rng, ceil - floor + 1);
909 }
910
911 /* Generate a random length in range [0, max_len], but prefer smaller values */
generate_random_length(struct rnd_state * rng,unsigned int max_len)912 static unsigned int generate_random_length(struct rnd_state *rng,
913 unsigned int max_len)
914 {
915 unsigned int len = prandom_u32_below(rng, max_len + 1);
916
917 switch (prandom_u32_below(rng, 4)) {
918 case 0:
919 len %= 64;
920 break;
921 case 1:
922 len %= 256;
923 break;
924 case 2:
925 len %= 1024;
926 break;
927 default:
928 break;
929 }
930 if (len && prandom_u32_below(rng, 4) == 0)
931 len = rounddown_pow_of_two(len);
932 return len;
933 }
934
935 /* Flip a random bit in the given nonempty data buffer */
flip_random_bit(struct rnd_state * rng,u8 * buf,size_t size)936 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
937 {
938 size_t bitpos;
939
940 bitpos = prandom_u32_below(rng, size * 8);
941 buf[bitpos / 8] ^= 1 << (bitpos % 8);
942 }
943
944 /* Flip a random byte in the given nonempty data buffer */
flip_random_byte(struct rnd_state * rng,u8 * buf,size_t size)945 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
946 {
947 buf[prandom_u32_below(rng, size)] ^= 0xff;
948 }
949
950 /* Sometimes make some random changes to the given nonempty data buffer */
mutate_buffer(struct rnd_state * rng,u8 * buf,size_t size)951 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
952 {
953 size_t num_flips;
954 size_t i;
955
956 /* Sometimes flip some bits */
957 if (prandom_u32_below(rng, 4) == 0) {
958 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
959 size * 8);
960 for (i = 0; i < num_flips; i++)
961 flip_random_bit(rng, buf, size);
962 }
963
964 /* Sometimes flip some bytes */
965 if (prandom_u32_below(rng, 4) == 0) {
966 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
967 for (i = 0; i < num_flips; i++)
968 flip_random_byte(rng, buf, size);
969 }
970 }
971
972 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
generate_random_bytes(struct rnd_state * rng,u8 * buf,size_t count)973 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
974 {
975 u8 b;
976 u8 increment;
977 size_t i;
978
979 if (count == 0)
980 return;
981
982 switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
983 case 0:
984 case 1:
985 /* All the same byte, plus optional mutations */
986 switch (prandom_u32_below(rng, 4)) {
987 case 0:
988 b = 0x00;
989 break;
990 case 1:
991 b = 0xff;
992 break;
993 default:
994 b = prandom_u8(rng);
995 break;
996 }
997 memset(buf, b, count);
998 mutate_buffer(rng, buf, count);
999 break;
1000 case 2:
1001 /* Ascending or descending bytes, plus optional mutations */
1002 increment = prandom_u8(rng);
1003 b = prandom_u8(rng);
1004 for (i = 0; i < count; i++, b += increment)
1005 buf[i] = b;
1006 mutate_buffer(rng, buf, count);
1007 break;
1008 default:
1009 /* Fully random bytes */
1010 prandom_bytes_state(rng, buf, count);
1011 }
1012 }
1013
generate_random_sgl_divisions(struct rnd_state * rng,struct test_sg_division * divs,size_t max_divs,char * p,char * end,bool gen_flushes,u32 req_flags)1014 static char *generate_random_sgl_divisions(struct rnd_state *rng,
1015 struct test_sg_division *divs,
1016 size_t max_divs, char *p, char *end,
1017 bool gen_flushes, u32 req_flags)
1018 {
1019 struct test_sg_division *div = divs;
1020 unsigned int remaining = TEST_SG_TOTAL;
1021
1022 do {
1023 unsigned int this_len;
1024 const char *flushtype_str;
1025
1026 if (div == &divs[max_divs - 1] || prandom_bool(rng))
1027 this_len = remaining;
1028 else if (prandom_u32_below(rng, 4) == 0)
1029 this_len = (remaining + 1) / 2;
1030 else
1031 this_len = prandom_u32_inclusive(rng, 1, remaining);
1032 div->proportion_of_total = this_len;
1033
1034 if (prandom_u32_below(rng, 4) == 0)
1035 div->offset = prandom_u32_inclusive(rng,
1036 PAGE_SIZE - 128,
1037 PAGE_SIZE - 1);
1038 else if (prandom_bool(rng))
1039 div->offset = prandom_u32_below(rng, 32);
1040 else
1041 div->offset = prandom_u32_below(rng, PAGE_SIZE);
1042 if (prandom_u32_below(rng, 8) == 0)
1043 div->offset_relative_to_alignmask = true;
1044
1045 div->flush_type = FLUSH_TYPE_NONE;
1046 if (gen_flushes) {
1047 switch (prandom_u32_below(rng, 4)) {
1048 case 0:
1049 div->flush_type = FLUSH_TYPE_REIMPORT;
1050 break;
1051 case 1:
1052 div->flush_type = FLUSH_TYPE_FLUSH;
1053 break;
1054 }
1055 }
1056
1057 if (div->flush_type != FLUSH_TYPE_NONE &&
1058 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1059 prandom_bool(rng))
1060 div->nosimd = true;
1061
1062 switch (div->flush_type) {
1063 case FLUSH_TYPE_FLUSH:
1064 if (div->nosimd)
1065 flushtype_str = "<flush,nosimd>";
1066 else
1067 flushtype_str = "<flush>";
1068 break;
1069 case FLUSH_TYPE_REIMPORT:
1070 if (div->nosimd)
1071 flushtype_str = "<reimport,nosimd>";
1072 else
1073 flushtype_str = "<reimport>";
1074 break;
1075 default:
1076 flushtype_str = "";
1077 break;
1078 }
1079
1080 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1081 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1082 this_len / 100, this_len % 100,
1083 div->offset_relative_to_alignmask ?
1084 "alignmask" : "",
1085 div->offset, this_len == remaining ? "" : ", ");
1086 remaining -= this_len;
1087 div++;
1088 } while (remaining);
1089
1090 return p;
1091 }
1092
1093 /* Generate a random testvec_config for fuzz testing */
generate_random_testvec_config(struct rnd_state * rng,struct testvec_config * cfg,char * name,size_t max_namelen)1094 static void generate_random_testvec_config(struct rnd_state *rng,
1095 struct testvec_config *cfg,
1096 char *name, size_t max_namelen)
1097 {
1098 char *p = name;
1099 char * const end = name + max_namelen;
1100
1101 memset(cfg, 0, sizeof(*cfg));
1102
1103 cfg->name = name;
1104
1105 p += scnprintf(p, end - p, "random:");
1106
1107 switch (prandom_u32_below(rng, 4)) {
1108 case 0:
1109 case 1:
1110 cfg->inplace_mode = OUT_OF_PLACE;
1111 break;
1112 case 2:
1113 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1114 p += scnprintf(p, end - p, " inplace_one_sglist");
1115 break;
1116 default:
1117 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1118 p += scnprintf(p, end - p, " inplace_two_sglists");
1119 break;
1120 }
1121
1122 if (prandom_bool(rng)) {
1123 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1124 p += scnprintf(p, end - p, " may_sleep");
1125 }
1126
1127 switch (prandom_u32_below(rng, 4)) {
1128 case 0:
1129 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1130 p += scnprintf(p, end - p, " use_final");
1131 break;
1132 case 1:
1133 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1134 p += scnprintf(p, end - p, " use_finup");
1135 break;
1136 default:
1137 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1138 p += scnprintf(p, end - p, " use_digest");
1139 break;
1140 }
1141
1142 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) {
1143 if (prandom_bool(rng)) {
1144 cfg->nosimd = true;
1145 p += scnprintf(p, end - p, " nosimd");
1146 }
1147 if (prandom_bool(rng)) {
1148 cfg->nosimd_setkey = true;
1149 p += scnprintf(p, end - p, " nosimd_setkey");
1150 }
1151 }
1152
1153 p += scnprintf(p, end - p, " src_divs=[");
1154 p = generate_random_sgl_divisions(rng, cfg->src_divs,
1155 ARRAY_SIZE(cfg->src_divs), p, end,
1156 (cfg->finalization_type !=
1157 FINALIZATION_TYPE_DIGEST),
1158 cfg->req_flags);
1159 p += scnprintf(p, end - p, "]");
1160
1161 if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1162 p += scnprintf(p, end - p, " dst_divs=[");
1163 p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1164 ARRAY_SIZE(cfg->dst_divs),
1165 p, end, false,
1166 cfg->req_flags);
1167 p += scnprintf(p, end - p, "]");
1168 }
1169
1170 if (prandom_bool(rng)) {
1171 cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1172 MAX_ALGAPI_ALIGNMASK);
1173 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1174 }
1175
1176 if (prandom_bool(rng)) {
1177 cfg->key_offset = prandom_u32_inclusive(rng, 1,
1178 MAX_ALGAPI_ALIGNMASK);
1179 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1180 }
1181
1182 WARN_ON_ONCE(!valid_testvec_config(cfg));
1183 }
1184
crypto_disable_simd_for_test(void)1185 static void crypto_disable_simd_for_test(void)
1186 {
1187 migrate_disable();
1188 __this_cpu_write(crypto_simd_disabled_for_test, true);
1189 }
1190
crypto_reenable_simd_for_test(void)1191 static void crypto_reenable_simd_for_test(void)
1192 {
1193 __this_cpu_write(crypto_simd_disabled_for_test, false);
1194 migrate_enable();
1195 }
1196
1197 /*
1198 * Given an algorithm name, build the name of the generic implementation of that
1199 * algorithm, assuming the usual naming convention. Specifically, this appends
1200 * "-generic" to every part of the name that is not a template name. Examples:
1201 *
1202 * aes => aes-generic
1203 * cbc(aes) => cbc(aes-generic)
1204 * cts(cbc(aes)) => cts(cbc(aes-generic))
1205 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1206 *
1207 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1208 */
build_generic_driver_name(const char * algname,char driver_name[CRYPTO_MAX_ALG_NAME])1209 static int build_generic_driver_name(const char *algname,
1210 char driver_name[CRYPTO_MAX_ALG_NAME])
1211 {
1212 const char *in = algname;
1213 char *out = driver_name;
1214 size_t len = strlen(algname);
1215
1216 if (len >= CRYPTO_MAX_ALG_NAME)
1217 goto too_long;
1218 do {
1219 const char *in_saved = in;
1220
1221 while (*in && *in != '(' && *in != ')' && *in != ',')
1222 *out++ = *in++;
1223 if (*in != '(' && in > in_saved) {
1224 len += 8;
1225 if (len >= CRYPTO_MAX_ALG_NAME)
1226 goto too_long;
1227 memcpy(out, "-generic", 8);
1228 out += 8;
1229 }
1230 } while ((*out++ = *in++) != '\0');
1231 return 0;
1232
1233 too_long:
1234 pr_err("alg: generic driver name for \"%s\" would be too long\n",
1235 algname);
1236 return -ENAMETOOLONG;
1237 }
1238 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
crypto_disable_simd_for_test(void)1239 static void crypto_disable_simd_for_test(void)
1240 {
1241 }
1242
crypto_reenable_simd_for_test(void)1243 static void crypto_reenable_simd_for_test(void)
1244 {
1245 }
1246 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1247
build_hash_sglist(struct test_sglist * tsgl,const struct hash_testvec * vec,const struct testvec_config * cfg,unsigned int alignmask,const struct test_sg_division * divs[XBUFSIZE])1248 static int build_hash_sglist(struct test_sglist *tsgl,
1249 const struct hash_testvec *vec,
1250 const struct testvec_config *cfg,
1251 unsigned int alignmask,
1252 const struct test_sg_division *divs[XBUFSIZE])
1253 {
1254 struct kvec kv;
1255 struct iov_iter input;
1256
1257 kv.iov_base = (void *)vec->plaintext;
1258 kv.iov_len = vec->psize;
1259 iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1260 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1261 &input, divs);
1262 }
1263
check_hash_result(const char * type,const u8 * result,unsigned int digestsize,const struct hash_testvec * vec,const char * vec_name,const char * driver,const struct testvec_config * cfg)1264 static int check_hash_result(const char *type,
1265 const u8 *result, unsigned int digestsize,
1266 const struct hash_testvec *vec,
1267 const char *vec_name,
1268 const char *driver,
1269 const struct testvec_config *cfg)
1270 {
1271 if (memcmp(result, vec->digest, digestsize) != 0) {
1272 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1273 type, driver, vec_name, cfg->name);
1274 return -EINVAL;
1275 }
1276 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1277 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1278 type, driver, vec_name, cfg->name);
1279 return -EOVERFLOW;
1280 }
1281 return 0;
1282 }
1283
check_shash_op(const char * op,int err,const char * driver,const char * vec_name,const struct testvec_config * cfg)1284 static inline int check_shash_op(const char *op, int err,
1285 const char *driver, const char *vec_name,
1286 const struct testvec_config *cfg)
1287 {
1288 if (err)
1289 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1290 driver, op, err, vec_name, cfg->name);
1291 return err;
1292 }
1293
1294 /* Test one hash test vector in one configuration, using the shash API */
test_shash_vec_cfg(const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1295 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1296 const char *vec_name,
1297 const struct testvec_config *cfg,
1298 struct shash_desc *desc,
1299 struct test_sglist *tsgl,
1300 u8 *hashstate)
1301 {
1302 struct crypto_shash *tfm = desc->tfm;
1303 const unsigned int digestsize = crypto_shash_digestsize(tfm);
1304 const unsigned int statesize = crypto_shash_statesize(tfm);
1305 const char *driver = crypto_shash_driver_name(tfm);
1306 const struct test_sg_division *divs[XBUFSIZE];
1307 unsigned int i;
1308 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1309 int err;
1310
1311 /* Set the key, if specified */
1312 if (vec->ksize) {
1313 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1314 cfg, 0);
1315 if (err) {
1316 if (err == vec->setkey_error)
1317 return 0;
1318 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1319 driver, vec_name, vec->setkey_error, err,
1320 crypto_shash_get_flags(tfm));
1321 return err;
1322 }
1323 if (vec->setkey_error) {
1324 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1325 driver, vec_name, vec->setkey_error);
1326 return -EINVAL;
1327 }
1328 }
1329
1330 /* Build the scatterlist for the source data */
1331 err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1332 if (err) {
1333 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1334 driver, vec_name, cfg->name);
1335 return err;
1336 }
1337
1338 /* Do the actual hashing */
1339
1340 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1341 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1342
1343 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1344 vec->digest_error) {
1345 /* Just using digest() */
1346 if (tsgl->nents != 1)
1347 return 0;
1348 if (cfg->nosimd)
1349 crypto_disable_simd_for_test();
1350 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1351 tsgl->sgl[0].length, result);
1352 if (cfg->nosimd)
1353 crypto_reenable_simd_for_test();
1354 if (err) {
1355 if (err == vec->digest_error)
1356 return 0;
1357 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1358 driver, vec_name, vec->digest_error, err,
1359 cfg->name);
1360 return err;
1361 }
1362 if (vec->digest_error) {
1363 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1364 driver, vec_name, vec->digest_error, cfg->name);
1365 return -EINVAL;
1366 }
1367 goto result_ready;
1368 }
1369
1370 /* Using init(), zero or more update(), then final() or finup() */
1371
1372 if (cfg->nosimd)
1373 crypto_disable_simd_for_test();
1374 err = crypto_shash_init(desc);
1375 if (cfg->nosimd)
1376 crypto_reenable_simd_for_test();
1377 err = check_shash_op("init", err, driver, vec_name, cfg);
1378 if (err)
1379 return err;
1380
1381 for (i = 0; i < tsgl->nents; i++) {
1382 if (i + 1 == tsgl->nents &&
1383 cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1384 if (divs[i]->nosimd)
1385 crypto_disable_simd_for_test();
1386 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1387 tsgl->sgl[i].length, result);
1388 if (divs[i]->nosimd)
1389 crypto_reenable_simd_for_test();
1390 err = check_shash_op("finup", err, driver, vec_name,
1391 cfg);
1392 if (err)
1393 return err;
1394 goto result_ready;
1395 }
1396 if (divs[i]->nosimd)
1397 crypto_disable_simd_for_test();
1398 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1399 tsgl->sgl[i].length);
1400 if (divs[i]->nosimd)
1401 crypto_reenable_simd_for_test();
1402 err = check_shash_op("update", err, driver, vec_name, cfg);
1403 if (err)
1404 return err;
1405 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1406 /* Test ->export() and ->import() */
1407 testmgr_poison(hashstate + statesize,
1408 TESTMGR_POISON_LEN);
1409 err = crypto_shash_export(desc, hashstate);
1410 err = check_shash_op("export", err, driver, vec_name,
1411 cfg);
1412 if (err)
1413 return err;
1414 if (!testmgr_is_poison(hashstate + statesize,
1415 TESTMGR_POISON_LEN)) {
1416 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1417 driver, vec_name, cfg->name);
1418 return -EOVERFLOW;
1419 }
1420 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1421 err = crypto_shash_import(desc, hashstate);
1422 err = check_shash_op("import", err, driver, vec_name,
1423 cfg);
1424 if (err)
1425 return err;
1426 }
1427 }
1428
1429 if (cfg->nosimd)
1430 crypto_disable_simd_for_test();
1431 err = crypto_shash_final(desc, result);
1432 if (cfg->nosimd)
1433 crypto_reenable_simd_for_test();
1434 err = check_shash_op("final", err, driver, vec_name, cfg);
1435 if (err)
1436 return err;
1437 result_ready:
1438 return check_hash_result("shash", result, digestsize, vec, vec_name,
1439 driver, cfg);
1440 }
1441
do_ahash_op(int (* op)(struct ahash_request * req),struct ahash_request * req,struct crypto_wait * wait,bool nosimd)1442 static int do_ahash_op(int (*op)(struct ahash_request *req),
1443 struct ahash_request *req,
1444 struct crypto_wait *wait, bool nosimd)
1445 {
1446 int err;
1447
1448 if (nosimd)
1449 crypto_disable_simd_for_test();
1450
1451 err = op(req);
1452
1453 if (nosimd)
1454 crypto_reenable_simd_for_test();
1455
1456 return crypto_wait_req(err, wait);
1457 }
1458
check_nonfinal_ahash_op(const char * op,int err,u8 * result,unsigned int digestsize,const char * driver,const char * vec_name,const struct testvec_config * cfg)1459 static int check_nonfinal_ahash_op(const char *op, int err,
1460 u8 *result, unsigned int digestsize,
1461 const char *driver, const char *vec_name,
1462 const struct testvec_config *cfg)
1463 {
1464 if (err) {
1465 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1466 driver, op, err, vec_name, cfg->name);
1467 return err;
1468 }
1469 if (!testmgr_is_poison(result, digestsize)) {
1470 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1471 driver, op, vec_name, cfg->name);
1472 return -EINVAL;
1473 }
1474 return 0;
1475 }
1476
1477 /* Test one hash test vector in one configuration, using the ahash API */
test_ahash_vec_cfg(const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct ahash_request * req,struct test_sglist * tsgl,u8 * hashstate)1478 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1479 const char *vec_name,
1480 const struct testvec_config *cfg,
1481 struct ahash_request *req,
1482 struct test_sglist *tsgl,
1483 u8 *hashstate)
1484 {
1485 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1486 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1487 const unsigned int statesize = crypto_ahash_statesize(tfm);
1488 const char *driver = crypto_ahash_driver_name(tfm);
1489 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1490 const struct test_sg_division *divs[XBUFSIZE];
1491 DECLARE_CRYPTO_WAIT(wait);
1492 unsigned int i;
1493 struct scatterlist *pending_sgl;
1494 unsigned int pending_len;
1495 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1496 int err;
1497
1498 /* Set the key, if specified */
1499 if (vec->ksize) {
1500 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1501 cfg, 0);
1502 if (err) {
1503 if (err == vec->setkey_error)
1504 return 0;
1505 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1506 driver, vec_name, vec->setkey_error, err,
1507 crypto_ahash_get_flags(tfm));
1508 return err;
1509 }
1510 if (vec->setkey_error) {
1511 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1512 driver, vec_name, vec->setkey_error);
1513 return -EINVAL;
1514 }
1515 }
1516
1517 /* Build the scatterlist for the source data */
1518 err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1519 if (err) {
1520 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1521 driver, vec_name, cfg->name);
1522 return err;
1523 }
1524
1525 /* Do the actual hashing */
1526
1527 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1528 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1529
1530 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1531 vec->digest_error) {
1532 /* Just using digest() */
1533 ahash_request_set_callback(req, req_flags, crypto_req_done,
1534 &wait);
1535 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1536 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1537 if (err) {
1538 if (err == vec->digest_error)
1539 return 0;
1540 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1541 driver, vec_name, vec->digest_error, err,
1542 cfg->name);
1543 return err;
1544 }
1545 if (vec->digest_error) {
1546 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1547 driver, vec_name, vec->digest_error, cfg->name);
1548 return -EINVAL;
1549 }
1550 goto result_ready;
1551 }
1552
1553 /* Using init(), zero or more update(), then final() or finup() */
1554
1555 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1556 ahash_request_set_crypt(req, NULL, result, 0);
1557 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1558 err = check_nonfinal_ahash_op("init", err, result, digestsize,
1559 driver, vec_name, cfg);
1560 if (err)
1561 return err;
1562
1563 pending_sgl = NULL;
1564 pending_len = 0;
1565 for (i = 0; i < tsgl->nents; i++) {
1566 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1567 pending_sgl != NULL) {
1568 /* update() with the pending data */
1569 ahash_request_set_callback(req, req_flags,
1570 crypto_req_done, &wait);
1571 ahash_request_set_crypt(req, pending_sgl, result,
1572 pending_len);
1573 err = do_ahash_op(crypto_ahash_update, req, &wait,
1574 divs[i]->nosimd);
1575 err = check_nonfinal_ahash_op("update", err,
1576 result, digestsize,
1577 driver, vec_name, cfg);
1578 if (err)
1579 return err;
1580 pending_sgl = NULL;
1581 pending_len = 0;
1582 }
1583 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1584 /* Test ->export() and ->import() */
1585 testmgr_poison(hashstate + statesize,
1586 TESTMGR_POISON_LEN);
1587 err = crypto_ahash_export(req, hashstate);
1588 err = check_nonfinal_ahash_op("export", err,
1589 result, digestsize,
1590 driver, vec_name, cfg);
1591 if (err)
1592 return err;
1593 if (!testmgr_is_poison(hashstate + statesize,
1594 TESTMGR_POISON_LEN)) {
1595 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1596 driver, vec_name, cfg->name);
1597 return -EOVERFLOW;
1598 }
1599
1600 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1601 err = crypto_ahash_import(req, hashstate);
1602 err = check_nonfinal_ahash_op("import", err,
1603 result, digestsize,
1604 driver, vec_name, cfg);
1605 if (err)
1606 return err;
1607 }
1608 if (pending_sgl == NULL)
1609 pending_sgl = &tsgl->sgl[i];
1610 pending_len += tsgl->sgl[i].length;
1611 }
1612
1613 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1614 ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1615 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1616 /* finish with update() and final() */
1617 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1618 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1619 driver, vec_name, cfg);
1620 if (err)
1621 return err;
1622 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1623 if (err) {
1624 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1625 driver, err, vec_name, cfg->name);
1626 return err;
1627 }
1628 } else {
1629 /* finish with finup() */
1630 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1631 if (err) {
1632 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1633 driver, err, vec_name, cfg->name);
1634 return err;
1635 }
1636 }
1637
1638 result_ready:
1639 return check_hash_result("ahash", result, digestsize, vec, vec_name,
1640 driver, cfg);
1641 }
1642
test_hash_vec_cfg(const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1643 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1644 const char *vec_name,
1645 const struct testvec_config *cfg,
1646 struct ahash_request *req,
1647 struct shash_desc *desc,
1648 struct test_sglist *tsgl,
1649 u8 *hashstate)
1650 {
1651 int err;
1652
1653 /*
1654 * For algorithms implemented as "shash", most bugs will be detected by
1655 * both the shash and ahash tests. Test the shash API first so that the
1656 * failures involve less indirection, so are easier to debug.
1657 */
1658
1659 if (desc) {
1660 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1661 hashstate);
1662 if (err)
1663 return err;
1664 }
1665
1666 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1667 }
1668
test_hash_vec(const struct hash_testvec * vec,unsigned int vec_num,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1669 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1670 struct ahash_request *req, struct shash_desc *desc,
1671 struct test_sglist *tsgl, u8 *hashstate)
1672 {
1673 char vec_name[16];
1674 unsigned int i;
1675 int err;
1676
1677 sprintf(vec_name, "%u", vec_num);
1678
1679 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1680 err = test_hash_vec_cfg(vec, vec_name,
1681 &default_hash_testvec_configs[i],
1682 req, desc, tsgl, hashstate);
1683 if (err)
1684 return err;
1685 }
1686
1687 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1688 if (!noextratests) {
1689 struct rnd_state rng;
1690 struct testvec_config cfg;
1691 char cfgname[TESTVEC_CONFIG_NAMELEN];
1692
1693 init_rnd_state(&rng);
1694
1695 for (i = 0; i < fuzz_iterations; i++) {
1696 generate_random_testvec_config(&rng, &cfg, cfgname,
1697 sizeof(cfgname));
1698 err = test_hash_vec_cfg(vec, vec_name, &cfg,
1699 req, desc, tsgl, hashstate);
1700 if (err)
1701 return err;
1702 cond_resched();
1703 }
1704 }
1705 #endif
1706 return 0;
1707 }
1708
1709 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1710 /*
1711 * Generate a hash test vector from the given implementation.
1712 * Assumes the buffers in 'vec' were already allocated.
1713 */
generate_random_hash_testvec(struct rnd_state * rng,struct shash_desc * desc,struct hash_testvec * vec,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen)1714 static void generate_random_hash_testvec(struct rnd_state *rng,
1715 struct shash_desc *desc,
1716 struct hash_testvec *vec,
1717 unsigned int maxkeysize,
1718 unsigned int maxdatasize,
1719 char *name, size_t max_namelen)
1720 {
1721 /* Data */
1722 vec->psize = generate_random_length(rng, maxdatasize);
1723 generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1724
1725 /*
1726 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1727 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1728 */
1729 vec->setkey_error = 0;
1730 vec->ksize = 0;
1731 if (maxkeysize) {
1732 vec->ksize = maxkeysize;
1733 if (prandom_u32_below(rng, 4) == 0)
1734 vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1735 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1736
1737 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1738 vec->ksize);
1739 /* If the key couldn't be set, no need to continue to digest. */
1740 if (vec->setkey_error)
1741 goto done;
1742 }
1743
1744 /* Digest */
1745 vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1746 vec->psize, (u8 *)vec->digest);
1747 done:
1748 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1749 vec->psize, vec->ksize);
1750 }
1751
1752 /*
1753 * Test the hash algorithm represented by @req against the corresponding generic
1754 * implementation, if one is available.
1755 */
test_hash_vs_generic_impl(const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1756 static int test_hash_vs_generic_impl(const char *generic_driver,
1757 unsigned int maxkeysize,
1758 struct ahash_request *req,
1759 struct shash_desc *desc,
1760 struct test_sglist *tsgl,
1761 u8 *hashstate)
1762 {
1763 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1764 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1765 const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1766 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1767 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1768 const char *driver = crypto_ahash_driver_name(tfm);
1769 struct rnd_state rng;
1770 char _generic_driver[CRYPTO_MAX_ALG_NAME];
1771 struct crypto_shash *generic_tfm = NULL;
1772 struct shash_desc *generic_desc = NULL;
1773 unsigned int i;
1774 struct hash_testvec vec = { 0 };
1775 char vec_name[64];
1776 struct testvec_config *cfg;
1777 char cfgname[TESTVEC_CONFIG_NAMELEN];
1778 int err;
1779
1780 if (noextratests)
1781 return 0;
1782
1783 init_rnd_state(&rng);
1784
1785 if (!generic_driver) { /* Use default naming convention? */
1786 err = build_generic_driver_name(algname, _generic_driver);
1787 if (err)
1788 return err;
1789 generic_driver = _generic_driver;
1790 }
1791
1792 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1793 return 0;
1794
1795 generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1796 if (IS_ERR(generic_tfm)) {
1797 err = PTR_ERR(generic_tfm);
1798 if (err == -ENOENT) {
1799 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1800 driver, generic_driver);
1801 return 0;
1802 }
1803 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1804 generic_driver, algname, err);
1805 return err;
1806 }
1807
1808 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1809 if (!cfg) {
1810 err = -ENOMEM;
1811 goto out;
1812 }
1813
1814 generic_desc = kzalloc(sizeof(*desc) +
1815 crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1816 if (!generic_desc) {
1817 err = -ENOMEM;
1818 goto out;
1819 }
1820 generic_desc->tfm = generic_tfm;
1821
1822 /* Check the algorithm properties for consistency. */
1823
1824 if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1825 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1826 driver, digestsize,
1827 crypto_shash_digestsize(generic_tfm));
1828 err = -EINVAL;
1829 goto out;
1830 }
1831
1832 if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1833 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1834 driver, blocksize, crypto_shash_blocksize(generic_tfm));
1835 err = -EINVAL;
1836 goto out;
1837 }
1838
1839 /*
1840 * Now generate test vectors using the generic implementation, and test
1841 * the other implementation against them.
1842 */
1843
1844 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1845 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1846 vec.digest = kmalloc(digestsize, GFP_KERNEL);
1847 if (!vec.key || !vec.plaintext || !vec.digest) {
1848 err = -ENOMEM;
1849 goto out;
1850 }
1851
1852 for (i = 0; i < fuzz_iterations * 8; i++) {
1853 generate_random_hash_testvec(&rng, generic_desc, &vec,
1854 maxkeysize, maxdatasize,
1855 vec_name, sizeof(vec_name));
1856 generate_random_testvec_config(&rng, cfg, cfgname,
1857 sizeof(cfgname));
1858
1859 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1860 req, desc, tsgl, hashstate);
1861 if (err)
1862 goto out;
1863 cond_resched();
1864 }
1865 err = 0;
1866 out:
1867 kfree(cfg);
1868 kfree(vec.key);
1869 kfree(vec.plaintext);
1870 kfree(vec.digest);
1871 crypto_free_shash(generic_tfm);
1872 kfree_sensitive(generic_desc);
1873 return err;
1874 }
1875 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_hash_vs_generic_impl(const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1876 static int test_hash_vs_generic_impl(const char *generic_driver,
1877 unsigned int maxkeysize,
1878 struct ahash_request *req,
1879 struct shash_desc *desc,
1880 struct test_sglist *tsgl,
1881 u8 *hashstate)
1882 {
1883 return 0;
1884 }
1885 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1886
alloc_shash(const char * driver,u32 type,u32 mask,struct crypto_shash ** tfm_ret,struct shash_desc ** desc_ret)1887 static int alloc_shash(const char *driver, u32 type, u32 mask,
1888 struct crypto_shash **tfm_ret,
1889 struct shash_desc **desc_ret)
1890 {
1891 struct crypto_shash *tfm;
1892 struct shash_desc *desc;
1893
1894 tfm = crypto_alloc_shash(driver, type, mask);
1895 if (IS_ERR(tfm)) {
1896 if (PTR_ERR(tfm) == -ENOENT) {
1897 /*
1898 * This algorithm is only available through the ahash
1899 * API, not the shash API, so skip the shash tests.
1900 */
1901 return 0;
1902 }
1903 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1904 driver, PTR_ERR(tfm));
1905 return PTR_ERR(tfm);
1906 }
1907
1908 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1909 if (!desc) {
1910 crypto_free_shash(tfm);
1911 return -ENOMEM;
1912 }
1913 desc->tfm = tfm;
1914
1915 *tfm_ret = tfm;
1916 *desc_ret = desc;
1917 return 0;
1918 }
1919
__alg_test_hash(const struct hash_testvec * vecs,unsigned int num_vecs,const char * driver,u32 type,u32 mask,const char * generic_driver,unsigned int maxkeysize)1920 static int __alg_test_hash(const struct hash_testvec *vecs,
1921 unsigned int num_vecs, const char *driver,
1922 u32 type, u32 mask,
1923 const char *generic_driver, unsigned int maxkeysize)
1924 {
1925 struct crypto_ahash *atfm = NULL;
1926 struct ahash_request *req = NULL;
1927 struct crypto_shash *stfm = NULL;
1928 struct shash_desc *desc = NULL;
1929 struct test_sglist *tsgl = NULL;
1930 u8 *hashstate = NULL;
1931 unsigned int statesize;
1932 unsigned int i;
1933 int err;
1934
1935 /*
1936 * Always test the ahash API. This works regardless of whether the
1937 * algorithm is implemented as ahash or shash.
1938 */
1939
1940 atfm = crypto_alloc_ahash(driver, type, mask);
1941 if (IS_ERR(atfm)) {
1942 if (PTR_ERR(atfm) == -ENOENT)
1943 return 0;
1944 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1945 driver, PTR_ERR(atfm));
1946 return PTR_ERR(atfm);
1947 }
1948 driver = crypto_ahash_driver_name(atfm);
1949
1950 req = ahash_request_alloc(atfm, GFP_KERNEL);
1951 if (!req) {
1952 pr_err("alg: hash: failed to allocate request for %s\n",
1953 driver);
1954 err = -ENOMEM;
1955 goto out;
1956 }
1957
1958 /*
1959 * If available also test the shash API, to cover corner cases that may
1960 * be missed by testing the ahash API only.
1961 */
1962 err = alloc_shash(driver, type, mask, &stfm, &desc);
1963 if (err)
1964 goto out;
1965
1966 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1967 if (!tsgl || init_test_sglist(tsgl) != 0) {
1968 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1969 driver);
1970 kfree(tsgl);
1971 tsgl = NULL;
1972 err = -ENOMEM;
1973 goto out;
1974 }
1975
1976 statesize = crypto_ahash_statesize(atfm);
1977 if (stfm)
1978 statesize = max(statesize, crypto_shash_statesize(stfm));
1979 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1980 if (!hashstate) {
1981 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1982 driver);
1983 err = -ENOMEM;
1984 goto out;
1985 }
1986
1987 for (i = 0; i < num_vecs; i++) {
1988 if (fips_enabled && vecs[i].fips_skip)
1989 continue;
1990
1991 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1992 if (err)
1993 goto out;
1994 cond_resched();
1995 }
1996 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1997 desc, tsgl, hashstate);
1998 out:
1999 kfree(hashstate);
2000 if (tsgl) {
2001 destroy_test_sglist(tsgl);
2002 kfree(tsgl);
2003 }
2004 kfree(desc);
2005 crypto_free_shash(stfm);
2006 ahash_request_free(req);
2007 crypto_free_ahash(atfm);
2008 return err;
2009 }
2010
alg_test_hash(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)2011 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
2012 u32 type, u32 mask)
2013 {
2014 const struct hash_testvec *template = desc->suite.hash.vecs;
2015 unsigned int tcount = desc->suite.hash.count;
2016 unsigned int nr_unkeyed, nr_keyed;
2017 unsigned int maxkeysize = 0;
2018 int err;
2019
2020 /*
2021 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
2022 * first, before setting a key on the tfm. To make this easier, we
2023 * require that the unkeyed test vectors (if any) are listed first.
2024 */
2025
2026 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
2027 if (template[nr_unkeyed].ksize)
2028 break;
2029 }
2030 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2031 if (!template[nr_unkeyed + nr_keyed].ksize) {
2032 pr_err("alg: hash: test vectors for %s out of order, "
2033 "unkeyed ones must come first\n", desc->alg);
2034 return -EINVAL;
2035 }
2036 maxkeysize = max_t(unsigned int, maxkeysize,
2037 template[nr_unkeyed + nr_keyed].ksize);
2038 }
2039
2040 err = 0;
2041 if (nr_unkeyed) {
2042 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2043 desc->generic_driver, maxkeysize);
2044 template += nr_unkeyed;
2045 }
2046
2047 if (!err && nr_keyed)
2048 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2049 desc->generic_driver, maxkeysize);
2050
2051 return err;
2052 }
2053
test_aead_vec_cfg(int enc,const struct aead_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct aead_request * req,struct cipher_test_sglists * tsgls)2054 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2055 const char *vec_name,
2056 const struct testvec_config *cfg,
2057 struct aead_request *req,
2058 struct cipher_test_sglists *tsgls)
2059 {
2060 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2061 const unsigned int alignmask = crypto_aead_alignmask(tfm);
2062 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2063 const unsigned int authsize = vec->clen - vec->plen;
2064 const char *driver = crypto_aead_driver_name(tfm);
2065 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2066 const char *op = enc ? "encryption" : "decryption";
2067 DECLARE_CRYPTO_WAIT(wait);
2068 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2069 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2070 cfg->iv_offset +
2071 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2072 struct kvec input[2];
2073 int err;
2074
2075 /* Set the key */
2076 if (vec->wk)
2077 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2078 else
2079 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2080
2081 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2082 cfg, alignmask);
2083 if (err && err != vec->setkey_error) {
2084 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2085 driver, vec_name, vec->setkey_error, err,
2086 crypto_aead_get_flags(tfm));
2087 return err;
2088 }
2089 if (!err && vec->setkey_error) {
2090 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2091 driver, vec_name, vec->setkey_error);
2092 return -EINVAL;
2093 }
2094
2095 /* Set the authentication tag size */
2096 err = crypto_aead_setauthsize(tfm, authsize);
2097 if (err && err != vec->setauthsize_error) {
2098 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2099 driver, vec_name, vec->setauthsize_error, err);
2100 return err;
2101 }
2102 if (!err && vec->setauthsize_error) {
2103 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2104 driver, vec_name, vec->setauthsize_error);
2105 return -EINVAL;
2106 }
2107
2108 if (vec->setkey_error || vec->setauthsize_error)
2109 return 0;
2110
2111 /* The IV must be copied to a buffer, as the algorithm may modify it */
2112 if (WARN_ON(ivsize > MAX_IVLEN))
2113 return -EINVAL;
2114 if (vec->iv)
2115 memcpy(iv, vec->iv, ivsize);
2116 else
2117 memset(iv, 0, ivsize);
2118
2119 /* Build the src/dst scatterlists */
2120 input[0].iov_base = (void *)vec->assoc;
2121 input[0].iov_len = vec->alen;
2122 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2123 input[1].iov_len = enc ? vec->plen : vec->clen;
2124 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2125 vec->alen + (enc ? vec->plen :
2126 vec->clen),
2127 vec->alen + (enc ? vec->clen :
2128 vec->plen),
2129 input, 2);
2130 if (err) {
2131 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2132 driver, op, vec_name, cfg->name);
2133 return err;
2134 }
2135
2136 /* Do the actual encryption or decryption */
2137 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2138 aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2139 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2140 enc ? vec->plen : vec->clen, iv);
2141 aead_request_set_ad(req, vec->alen);
2142 if (cfg->nosimd)
2143 crypto_disable_simd_for_test();
2144 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2145 if (cfg->nosimd)
2146 crypto_reenable_simd_for_test();
2147 err = crypto_wait_req(err, &wait);
2148
2149 /* Check that the algorithm didn't overwrite things it shouldn't have */
2150 if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2151 req->assoclen != vec->alen ||
2152 req->iv != iv ||
2153 req->src != tsgls->src.sgl_ptr ||
2154 req->dst != tsgls->dst.sgl_ptr ||
2155 crypto_aead_reqtfm(req) != tfm ||
2156 req->base.complete != crypto_req_done ||
2157 req->base.flags != req_flags ||
2158 req->base.data != &wait) {
2159 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2160 driver, op, vec_name, cfg->name);
2161 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2162 pr_err("alg: aead: changed 'req->cryptlen'\n");
2163 if (req->assoclen != vec->alen)
2164 pr_err("alg: aead: changed 'req->assoclen'\n");
2165 if (req->iv != iv)
2166 pr_err("alg: aead: changed 'req->iv'\n");
2167 if (req->src != tsgls->src.sgl_ptr)
2168 pr_err("alg: aead: changed 'req->src'\n");
2169 if (req->dst != tsgls->dst.sgl_ptr)
2170 pr_err("alg: aead: changed 'req->dst'\n");
2171 if (crypto_aead_reqtfm(req) != tfm)
2172 pr_err("alg: aead: changed 'req->base.tfm'\n");
2173 if (req->base.complete != crypto_req_done)
2174 pr_err("alg: aead: changed 'req->base.complete'\n");
2175 if (req->base.flags != req_flags)
2176 pr_err("alg: aead: changed 'req->base.flags'\n");
2177 if (req->base.data != &wait)
2178 pr_err("alg: aead: changed 'req->base.data'\n");
2179 return -EINVAL;
2180 }
2181 if (is_test_sglist_corrupted(&tsgls->src)) {
2182 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2183 driver, op, vec_name, cfg->name);
2184 return -EINVAL;
2185 }
2186 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2187 is_test_sglist_corrupted(&tsgls->dst)) {
2188 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2189 driver, op, vec_name, cfg->name);
2190 return -EINVAL;
2191 }
2192
2193 /* Check for unexpected success or failure, or wrong error code */
2194 if ((err == 0 && vec->novrfy) ||
2195 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2196 char expected_error[32];
2197
2198 if (vec->novrfy &&
2199 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2200 sprintf(expected_error, "-EBADMSG or %d",
2201 vec->crypt_error);
2202 else if (vec->novrfy)
2203 sprintf(expected_error, "-EBADMSG");
2204 else
2205 sprintf(expected_error, "%d", vec->crypt_error);
2206 if (err) {
2207 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2208 driver, op, vec_name, expected_error, err,
2209 cfg->name);
2210 return err;
2211 }
2212 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2213 driver, op, vec_name, expected_error, cfg->name);
2214 return -EINVAL;
2215 }
2216 if (err) /* Expectedly failed. */
2217 return 0;
2218
2219 /* Check for the correct output (ciphertext or plaintext) */
2220 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2221 enc ? vec->clen : vec->plen,
2222 vec->alen,
2223 enc || cfg->inplace_mode == OUT_OF_PLACE);
2224 if (err == -EOVERFLOW) {
2225 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2226 driver, op, vec_name, cfg->name);
2227 return err;
2228 }
2229 if (err) {
2230 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2231 driver, op, vec_name, cfg->name);
2232 return err;
2233 }
2234
2235 return 0;
2236 }
2237
test_aead_vec(int enc,const struct aead_testvec * vec,unsigned int vec_num,struct aead_request * req,struct cipher_test_sglists * tsgls)2238 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2239 unsigned int vec_num, struct aead_request *req,
2240 struct cipher_test_sglists *tsgls)
2241 {
2242 char vec_name[16];
2243 unsigned int i;
2244 int err;
2245
2246 if (enc && vec->novrfy)
2247 return 0;
2248
2249 sprintf(vec_name, "%u", vec_num);
2250
2251 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2252 err = test_aead_vec_cfg(enc, vec, vec_name,
2253 &default_cipher_testvec_configs[i],
2254 req, tsgls);
2255 if (err)
2256 return err;
2257 }
2258
2259 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2260 if (!noextratests) {
2261 struct rnd_state rng;
2262 struct testvec_config cfg;
2263 char cfgname[TESTVEC_CONFIG_NAMELEN];
2264
2265 init_rnd_state(&rng);
2266
2267 for (i = 0; i < fuzz_iterations; i++) {
2268 generate_random_testvec_config(&rng, &cfg, cfgname,
2269 sizeof(cfgname));
2270 err = test_aead_vec_cfg(enc, vec, vec_name,
2271 &cfg, req, tsgls);
2272 if (err)
2273 return err;
2274 cond_resched();
2275 }
2276 }
2277 #endif
2278 return 0;
2279 }
2280
2281 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2282
2283 struct aead_extra_tests_ctx {
2284 struct rnd_state rng;
2285 struct aead_request *req;
2286 struct crypto_aead *tfm;
2287 const struct alg_test_desc *test_desc;
2288 struct cipher_test_sglists *tsgls;
2289 unsigned int maxdatasize;
2290 unsigned int maxkeysize;
2291
2292 struct aead_testvec vec;
2293 char vec_name[64];
2294 char cfgname[TESTVEC_CONFIG_NAMELEN];
2295 struct testvec_config cfg;
2296 };
2297
2298 /*
2299 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext"
2300 * here means the full ciphertext including the authentication tag. The
2301 * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2302 */
mutate_aead_message(struct rnd_state * rng,struct aead_testvec * vec,bool aad_iv,unsigned int ivsize)2303 static void mutate_aead_message(struct rnd_state *rng,
2304 struct aead_testvec *vec, bool aad_iv,
2305 unsigned int ivsize)
2306 {
2307 const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2308 const unsigned int authsize = vec->clen - vec->plen;
2309
2310 if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2311 /* Mutate the AAD */
2312 flip_random_bit(rng, (u8 *)vec->assoc,
2313 vec->alen - aad_tail_size);
2314 if (prandom_bool(rng))
2315 return;
2316 }
2317 if (prandom_bool(rng)) {
2318 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2319 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2320 } else {
2321 /* Mutate any part of the ciphertext */
2322 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2323 }
2324 }
2325
2326 /*
2327 * Minimum authentication tag size in bytes at which we assume that we can
2328 * reliably generate inauthentic messages, i.e. not generate an authentic
2329 * message by chance.
2330 */
2331 #define MIN_COLLISION_FREE_AUTHSIZE 8
2332
generate_aead_message(struct rnd_state * rng,struct aead_request * req,const struct aead_test_suite * suite,struct aead_testvec * vec,bool prefer_inauthentic)2333 static void generate_aead_message(struct rnd_state *rng,
2334 struct aead_request *req,
2335 const struct aead_test_suite *suite,
2336 struct aead_testvec *vec,
2337 bool prefer_inauthentic)
2338 {
2339 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2340 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2341 const unsigned int authsize = vec->clen - vec->plen;
2342 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2343 (prefer_inauthentic ||
2344 prandom_u32_below(rng, 4) == 0);
2345
2346 /* Generate the AAD. */
2347 generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2348 if (suite->aad_iv && vec->alen >= ivsize)
2349 /* Avoid implementation-defined behavior. */
2350 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2351
2352 if (inauthentic && prandom_bool(rng)) {
2353 /* Generate a random ciphertext. */
2354 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2355 } else {
2356 int i = 0;
2357 struct scatterlist src[2], dst;
2358 u8 iv[MAX_IVLEN];
2359 DECLARE_CRYPTO_WAIT(wait);
2360
2361 /* Generate a random plaintext and encrypt it. */
2362 sg_init_table(src, 2);
2363 if (vec->alen)
2364 sg_set_buf(&src[i++], vec->assoc, vec->alen);
2365 if (vec->plen) {
2366 generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2367 sg_set_buf(&src[i++], vec->ptext, vec->plen);
2368 }
2369 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2370 memcpy(iv, vec->iv, ivsize);
2371 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2372 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2373 aead_request_set_ad(req, vec->alen);
2374 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2375 &wait);
2376 /* If encryption failed, we're done. */
2377 if (vec->crypt_error != 0)
2378 return;
2379 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2380 if (!inauthentic)
2381 return;
2382 /*
2383 * Mutate the authentic (ciphertext, AAD) pair to get an
2384 * inauthentic one.
2385 */
2386 mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2387 }
2388 vec->novrfy = 1;
2389 if (suite->einval_allowed)
2390 vec->crypt_error = -EINVAL;
2391 }
2392
2393 /*
2394 * Generate an AEAD test vector 'vec' using the implementation specified by
2395 * 'req'. The buffers in 'vec' must already be allocated.
2396 *
2397 * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2398 * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2399 */
generate_random_aead_testvec(struct rnd_state * rng,struct aead_request * req,struct aead_testvec * vec,const struct aead_test_suite * suite,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen,bool prefer_inauthentic)2400 static void generate_random_aead_testvec(struct rnd_state *rng,
2401 struct aead_request *req,
2402 struct aead_testvec *vec,
2403 const struct aead_test_suite *suite,
2404 unsigned int maxkeysize,
2405 unsigned int maxdatasize,
2406 char *name, size_t max_namelen,
2407 bool prefer_inauthentic)
2408 {
2409 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2410 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2411 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2412 unsigned int authsize;
2413 unsigned int total_len;
2414
2415 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2416 vec->klen = maxkeysize;
2417 if (prandom_u32_below(rng, 4) == 0)
2418 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2419 generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2420 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2421
2422 /* IV */
2423 generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2424
2425 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2426 authsize = maxauthsize;
2427 if (prandom_u32_below(rng, 4) == 0)
2428 authsize = prandom_u32_below(rng, maxauthsize + 1);
2429 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2430 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2431 if (WARN_ON(authsize > maxdatasize))
2432 authsize = maxdatasize;
2433 maxdatasize -= authsize;
2434 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2435
2436 /* AAD, plaintext, and ciphertext lengths */
2437 total_len = generate_random_length(rng, maxdatasize);
2438 if (prandom_u32_below(rng, 4) == 0)
2439 vec->alen = 0;
2440 else
2441 vec->alen = generate_random_length(rng, total_len);
2442 vec->plen = total_len - vec->alen;
2443 vec->clen = vec->plen + authsize;
2444
2445 /*
2446 * Generate the AAD, plaintext, and ciphertext. Not applicable if the
2447 * key or the authentication tag size couldn't be set.
2448 */
2449 vec->novrfy = 0;
2450 vec->crypt_error = 0;
2451 if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2452 generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2453 snprintf(name, max_namelen,
2454 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2455 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2456 }
2457
try_to_generate_inauthentic_testvec(struct aead_extra_tests_ctx * ctx)2458 static void try_to_generate_inauthentic_testvec(
2459 struct aead_extra_tests_ctx *ctx)
2460 {
2461 int i;
2462
2463 for (i = 0; i < 10; i++) {
2464 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2465 &ctx->test_desc->suite.aead,
2466 ctx->maxkeysize, ctx->maxdatasize,
2467 ctx->vec_name,
2468 sizeof(ctx->vec_name), true);
2469 if (ctx->vec.novrfy)
2470 return;
2471 }
2472 }
2473
2474 /*
2475 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2476 * result of an encryption with the key) and verify that decryption fails.
2477 */
test_aead_inauthentic_inputs(struct aead_extra_tests_ctx * ctx)2478 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2479 {
2480 unsigned int i;
2481 int err;
2482
2483 for (i = 0; i < fuzz_iterations * 8; i++) {
2484 /*
2485 * Since this part of the tests isn't comparing the
2486 * implementation to another, there's no point in testing any
2487 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2488 *
2489 * If we're having trouble generating such a test vector, e.g.
2490 * if the algorithm keeps rejecting the generated keys, don't
2491 * retry forever; just continue on.
2492 */
2493 try_to_generate_inauthentic_testvec(ctx);
2494 if (ctx->vec.novrfy) {
2495 generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2496 ctx->cfgname,
2497 sizeof(ctx->cfgname));
2498 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2499 ctx->vec_name, &ctx->cfg,
2500 ctx->req, ctx->tsgls);
2501 if (err)
2502 return err;
2503 }
2504 cond_resched();
2505 }
2506 return 0;
2507 }
2508
2509 /*
2510 * Test the AEAD algorithm against the corresponding generic implementation, if
2511 * one is available.
2512 */
test_aead_vs_generic_impl(struct aead_extra_tests_ctx * ctx)2513 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2514 {
2515 struct crypto_aead *tfm = ctx->tfm;
2516 const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2517 const char *driver = crypto_aead_driver_name(tfm);
2518 const char *generic_driver = ctx->test_desc->generic_driver;
2519 char _generic_driver[CRYPTO_MAX_ALG_NAME];
2520 struct crypto_aead *generic_tfm = NULL;
2521 struct aead_request *generic_req = NULL;
2522 unsigned int i;
2523 int err;
2524
2525 if (!generic_driver) { /* Use default naming convention? */
2526 err = build_generic_driver_name(algname, _generic_driver);
2527 if (err)
2528 return err;
2529 generic_driver = _generic_driver;
2530 }
2531
2532 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2533 return 0;
2534
2535 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2536 if (IS_ERR(generic_tfm)) {
2537 err = PTR_ERR(generic_tfm);
2538 if (err == -ENOENT) {
2539 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2540 driver, generic_driver);
2541 return 0;
2542 }
2543 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2544 generic_driver, algname, err);
2545 return err;
2546 }
2547
2548 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2549 if (!generic_req) {
2550 err = -ENOMEM;
2551 goto out;
2552 }
2553
2554 /* Check the algorithm properties for consistency. */
2555
2556 if (crypto_aead_maxauthsize(tfm) !=
2557 crypto_aead_maxauthsize(generic_tfm)) {
2558 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2559 driver, crypto_aead_maxauthsize(tfm),
2560 crypto_aead_maxauthsize(generic_tfm));
2561 err = -EINVAL;
2562 goto out;
2563 }
2564
2565 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2566 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2567 driver, crypto_aead_ivsize(tfm),
2568 crypto_aead_ivsize(generic_tfm));
2569 err = -EINVAL;
2570 goto out;
2571 }
2572
2573 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2574 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2575 driver, crypto_aead_blocksize(tfm),
2576 crypto_aead_blocksize(generic_tfm));
2577 err = -EINVAL;
2578 goto out;
2579 }
2580
2581 /*
2582 * Now generate test vectors using the generic implementation, and test
2583 * the other implementation against them.
2584 */
2585 for (i = 0; i < fuzz_iterations * 8; i++) {
2586 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2587 &ctx->test_desc->suite.aead,
2588 ctx->maxkeysize, ctx->maxdatasize,
2589 ctx->vec_name,
2590 sizeof(ctx->vec_name), false);
2591 generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2592 ctx->cfgname,
2593 sizeof(ctx->cfgname));
2594 if (!ctx->vec.novrfy) {
2595 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2596 ctx->vec_name, &ctx->cfg,
2597 ctx->req, ctx->tsgls);
2598 if (err)
2599 goto out;
2600 }
2601 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2602 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2603 ctx->vec_name, &ctx->cfg,
2604 ctx->req, ctx->tsgls);
2605 if (err)
2606 goto out;
2607 }
2608 cond_resched();
2609 }
2610 err = 0;
2611 out:
2612 crypto_free_aead(generic_tfm);
2613 aead_request_free(generic_req);
2614 return err;
2615 }
2616
test_aead_extra(const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2617 static int test_aead_extra(const struct alg_test_desc *test_desc,
2618 struct aead_request *req,
2619 struct cipher_test_sglists *tsgls)
2620 {
2621 struct aead_extra_tests_ctx *ctx;
2622 unsigned int i;
2623 int err;
2624
2625 if (noextratests)
2626 return 0;
2627
2628 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2629 if (!ctx)
2630 return -ENOMEM;
2631 init_rnd_state(&ctx->rng);
2632 ctx->req = req;
2633 ctx->tfm = crypto_aead_reqtfm(req);
2634 ctx->test_desc = test_desc;
2635 ctx->tsgls = tsgls;
2636 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2637 ctx->maxkeysize = 0;
2638 for (i = 0; i < test_desc->suite.aead.count; i++)
2639 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2640 test_desc->suite.aead.vecs[i].klen);
2641
2642 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2643 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2644 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2645 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2646 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2647 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2648 !ctx->vec.ptext || !ctx->vec.ctext) {
2649 err = -ENOMEM;
2650 goto out;
2651 }
2652
2653 err = test_aead_vs_generic_impl(ctx);
2654 if (err)
2655 goto out;
2656
2657 err = test_aead_inauthentic_inputs(ctx);
2658 out:
2659 kfree(ctx->vec.key);
2660 kfree(ctx->vec.iv);
2661 kfree(ctx->vec.assoc);
2662 kfree(ctx->vec.ptext);
2663 kfree(ctx->vec.ctext);
2664 kfree(ctx);
2665 return err;
2666 }
2667 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_aead_extra(const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2668 static int test_aead_extra(const struct alg_test_desc *test_desc,
2669 struct aead_request *req,
2670 struct cipher_test_sglists *tsgls)
2671 {
2672 return 0;
2673 }
2674 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2675
test_aead(int enc,const struct aead_test_suite * suite,struct aead_request * req,struct cipher_test_sglists * tsgls)2676 static int test_aead(int enc, const struct aead_test_suite *suite,
2677 struct aead_request *req,
2678 struct cipher_test_sglists *tsgls)
2679 {
2680 unsigned int i;
2681 int err;
2682
2683 for (i = 0; i < suite->count; i++) {
2684 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2685 if (err)
2686 return err;
2687 cond_resched();
2688 }
2689 return 0;
2690 }
2691
alg_test_aead(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)2692 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2693 u32 type, u32 mask)
2694 {
2695 const struct aead_test_suite *suite = &desc->suite.aead;
2696 struct crypto_aead *tfm;
2697 struct aead_request *req = NULL;
2698 struct cipher_test_sglists *tsgls = NULL;
2699 int err;
2700
2701 if (suite->count <= 0) {
2702 pr_err("alg: aead: empty test suite for %s\n", driver);
2703 return -EINVAL;
2704 }
2705
2706 tfm = crypto_alloc_aead(driver, type, mask);
2707 if (IS_ERR(tfm)) {
2708 if (PTR_ERR(tfm) == -ENOENT)
2709 return 0;
2710 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2711 driver, PTR_ERR(tfm));
2712 return PTR_ERR(tfm);
2713 }
2714 driver = crypto_aead_driver_name(tfm);
2715
2716 req = aead_request_alloc(tfm, GFP_KERNEL);
2717 if (!req) {
2718 pr_err("alg: aead: failed to allocate request for %s\n",
2719 driver);
2720 err = -ENOMEM;
2721 goto out;
2722 }
2723
2724 tsgls = alloc_cipher_test_sglists();
2725 if (!tsgls) {
2726 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2727 driver);
2728 err = -ENOMEM;
2729 goto out;
2730 }
2731
2732 err = test_aead(ENCRYPT, suite, req, tsgls);
2733 if (err)
2734 goto out;
2735
2736 err = test_aead(DECRYPT, suite, req, tsgls);
2737 if (err)
2738 goto out;
2739
2740 err = test_aead_extra(desc, req, tsgls);
2741 out:
2742 free_cipher_test_sglists(tsgls);
2743 aead_request_free(req);
2744 crypto_free_aead(tfm);
2745 return err;
2746 }
2747
test_cipher(struct crypto_cipher * tfm,int enc,const struct cipher_testvec * template,unsigned int tcount)2748 static int test_cipher(struct crypto_cipher *tfm, int enc,
2749 const struct cipher_testvec *template,
2750 unsigned int tcount)
2751 {
2752 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2753 unsigned int i, j, k;
2754 char *q;
2755 const char *e;
2756 const char *input, *result;
2757 void *data;
2758 char *xbuf[XBUFSIZE];
2759 int ret = -ENOMEM;
2760
2761 if (testmgr_alloc_buf(xbuf))
2762 goto out_nobuf;
2763
2764 if (enc == ENCRYPT)
2765 e = "encryption";
2766 else
2767 e = "decryption";
2768
2769 j = 0;
2770 for (i = 0; i < tcount; i++) {
2771
2772 if (fips_enabled && template[i].fips_skip)
2773 continue;
2774
2775 input = enc ? template[i].ptext : template[i].ctext;
2776 result = enc ? template[i].ctext : template[i].ptext;
2777 j++;
2778
2779 ret = -EINVAL;
2780 if (WARN_ON(template[i].len > PAGE_SIZE))
2781 goto out;
2782
2783 data = xbuf[0];
2784 memcpy(data, input, template[i].len);
2785
2786 crypto_cipher_clear_flags(tfm, ~0);
2787 if (template[i].wk)
2788 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2789
2790 ret = crypto_cipher_setkey(tfm, template[i].key,
2791 template[i].klen);
2792 if (ret) {
2793 if (ret == template[i].setkey_error)
2794 continue;
2795 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2796 algo, j, template[i].setkey_error, ret,
2797 crypto_cipher_get_flags(tfm));
2798 goto out;
2799 }
2800 if (template[i].setkey_error) {
2801 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2802 algo, j, template[i].setkey_error);
2803 ret = -EINVAL;
2804 goto out;
2805 }
2806
2807 for (k = 0; k < template[i].len;
2808 k += crypto_cipher_blocksize(tfm)) {
2809 if (enc)
2810 crypto_cipher_encrypt_one(tfm, data + k,
2811 data + k);
2812 else
2813 crypto_cipher_decrypt_one(tfm, data + k,
2814 data + k);
2815 }
2816
2817 q = data;
2818 if (memcmp(q, result, template[i].len)) {
2819 printk(KERN_ERR "alg: cipher: Test %d failed "
2820 "on %s for %s\n", j, e, algo);
2821 hexdump(q, template[i].len);
2822 ret = -EINVAL;
2823 goto out;
2824 }
2825 }
2826
2827 ret = 0;
2828
2829 out:
2830 testmgr_free_buf(xbuf);
2831 out_nobuf:
2832 return ret;
2833 }
2834
test_skcipher_vec_cfg(int enc,const struct cipher_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2835 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2836 const char *vec_name,
2837 const struct testvec_config *cfg,
2838 struct skcipher_request *req,
2839 struct cipher_test_sglists *tsgls)
2840 {
2841 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2842 const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2843 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2844 const char *driver = crypto_skcipher_driver_name(tfm);
2845 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2846 const char *op = enc ? "encryption" : "decryption";
2847 DECLARE_CRYPTO_WAIT(wait);
2848 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2849 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2850 cfg->iv_offset +
2851 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2852 struct kvec input;
2853 int err;
2854
2855 /* Set the key */
2856 if (vec->wk)
2857 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2858 else
2859 crypto_skcipher_clear_flags(tfm,
2860 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2861 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2862 cfg, alignmask);
2863 if (err) {
2864 if (err == vec->setkey_error)
2865 return 0;
2866 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2867 driver, vec_name, vec->setkey_error, err,
2868 crypto_skcipher_get_flags(tfm));
2869 return err;
2870 }
2871 if (vec->setkey_error) {
2872 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2873 driver, vec_name, vec->setkey_error);
2874 return -EINVAL;
2875 }
2876
2877 /* The IV must be copied to a buffer, as the algorithm may modify it */
2878 if (ivsize) {
2879 if (WARN_ON(ivsize > MAX_IVLEN))
2880 return -EINVAL;
2881 if (vec->generates_iv && !enc)
2882 memcpy(iv, vec->iv_out, ivsize);
2883 else if (vec->iv)
2884 memcpy(iv, vec->iv, ivsize);
2885 else
2886 memset(iv, 0, ivsize);
2887 } else {
2888 if (vec->generates_iv) {
2889 pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2890 driver, vec_name);
2891 return -EINVAL;
2892 }
2893 iv = NULL;
2894 }
2895
2896 /* Build the src/dst scatterlists */
2897 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2898 input.iov_len = vec->len;
2899 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2900 vec->len, vec->len, &input, 1);
2901 if (err) {
2902 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2903 driver, op, vec_name, cfg->name);
2904 return err;
2905 }
2906
2907 /* Do the actual encryption or decryption */
2908 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2909 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2910 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2911 vec->len, iv);
2912 if (cfg->nosimd)
2913 crypto_disable_simd_for_test();
2914 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2915 if (cfg->nosimd)
2916 crypto_reenable_simd_for_test();
2917 err = crypto_wait_req(err, &wait);
2918
2919 /* Check that the algorithm didn't overwrite things it shouldn't have */
2920 if (req->cryptlen != vec->len ||
2921 req->iv != iv ||
2922 req->src != tsgls->src.sgl_ptr ||
2923 req->dst != tsgls->dst.sgl_ptr ||
2924 crypto_skcipher_reqtfm(req) != tfm ||
2925 req->base.complete != crypto_req_done ||
2926 req->base.flags != req_flags ||
2927 req->base.data != &wait) {
2928 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2929 driver, op, vec_name, cfg->name);
2930 if (req->cryptlen != vec->len)
2931 pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2932 if (req->iv != iv)
2933 pr_err("alg: skcipher: changed 'req->iv'\n");
2934 if (req->src != tsgls->src.sgl_ptr)
2935 pr_err("alg: skcipher: changed 'req->src'\n");
2936 if (req->dst != tsgls->dst.sgl_ptr)
2937 pr_err("alg: skcipher: changed 'req->dst'\n");
2938 if (crypto_skcipher_reqtfm(req) != tfm)
2939 pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2940 if (req->base.complete != crypto_req_done)
2941 pr_err("alg: skcipher: changed 'req->base.complete'\n");
2942 if (req->base.flags != req_flags)
2943 pr_err("alg: skcipher: changed 'req->base.flags'\n");
2944 if (req->base.data != &wait)
2945 pr_err("alg: skcipher: changed 'req->base.data'\n");
2946 return -EINVAL;
2947 }
2948 if (is_test_sglist_corrupted(&tsgls->src)) {
2949 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2950 driver, op, vec_name, cfg->name);
2951 return -EINVAL;
2952 }
2953 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2954 is_test_sglist_corrupted(&tsgls->dst)) {
2955 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2956 driver, op, vec_name, cfg->name);
2957 return -EINVAL;
2958 }
2959
2960 /* Check for success or failure */
2961 if (err) {
2962 if (err == vec->crypt_error)
2963 return 0;
2964 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2965 driver, op, vec_name, vec->crypt_error, err, cfg->name);
2966 return err;
2967 }
2968 if (vec->crypt_error) {
2969 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2970 driver, op, vec_name, vec->crypt_error, cfg->name);
2971 return -EINVAL;
2972 }
2973
2974 /* Check for the correct output (ciphertext or plaintext) */
2975 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2976 vec->len, 0, true);
2977 if (err == -EOVERFLOW) {
2978 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2979 driver, op, vec_name, cfg->name);
2980 return err;
2981 }
2982 if (err) {
2983 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2984 driver, op, vec_name, cfg->name);
2985 return err;
2986 }
2987
2988 /* If applicable, check that the algorithm generated the correct IV */
2989 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2990 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2991 driver, op, vec_name, cfg->name);
2992 hexdump(iv, ivsize);
2993 return -EINVAL;
2994 }
2995
2996 return 0;
2997 }
2998
test_skcipher_vec(int enc,const struct cipher_testvec * vec,unsigned int vec_num,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2999 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
3000 unsigned int vec_num,
3001 struct skcipher_request *req,
3002 struct cipher_test_sglists *tsgls)
3003 {
3004 char vec_name[16];
3005 unsigned int i;
3006 int err;
3007
3008 if (fips_enabled && vec->fips_skip)
3009 return 0;
3010
3011 sprintf(vec_name, "%u", vec_num);
3012
3013 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
3014 err = test_skcipher_vec_cfg(enc, vec, vec_name,
3015 &default_cipher_testvec_configs[i],
3016 req, tsgls);
3017 if (err)
3018 return err;
3019 }
3020
3021 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3022 if (!noextratests) {
3023 struct rnd_state rng;
3024 struct testvec_config cfg;
3025 char cfgname[TESTVEC_CONFIG_NAMELEN];
3026
3027 init_rnd_state(&rng);
3028
3029 for (i = 0; i < fuzz_iterations; i++) {
3030 generate_random_testvec_config(&rng, &cfg, cfgname,
3031 sizeof(cfgname));
3032 err = test_skcipher_vec_cfg(enc, vec, vec_name,
3033 &cfg, req, tsgls);
3034 if (err)
3035 return err;
3036 cond_resched();
3037 }
3038 }
3039 #endif
3040 return 0;
3041 }
3042
3043 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3044 /*
3045 * Generate a symmetric cipher test vector from the given implementation.
3046 * Assumes the buffers in 'vec' were already allocated.
3047 */
generate_random_cipher_testvec(struct rnd_state * rng,struct skcipher_request * req,struct cipher_testvec * vec,unsigned int maxdatasize,char * name,size_t max_namelen)3048 static void generate_random_cipher_testvec(struct rnd_state *rng,
3049 struct skcipher_request *req,
3050 struct cipher_testvec *vec,
3051 unsigned int maxdatasize,
3052 char *name, size_t max_namelen)
3053 {
3054 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3055 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3056 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3057 struct scatterlist src, dst;
3058 u8 iv[MAX_IVLEN];
3059 DECLARE_CRYPTO_WAIT(wait);
3060
3061 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3062 vec->klen = maxkeysize;
3063 if (prandom_u32_below(rng, 4) == 0)
3064 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3065 generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3066 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3067
3068 /* IV */
3069 generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3070
3071 /* Plaintext */
3072 vec->len = generate_random_length(rng, maxdatasize);
3073 generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3074
3075 /* If the key couldn't be set, no need to continue to encrypt. */
3076 if (vec->setkey_error)
3077 goto done;
3078
3079 /* Ciphertext */
3080 sg_init_one(&src, vec->ptext, vec->len);
3081 sg_init_one(&dst, vec->ctext, vec->len);
3082 memcpy(iv, vec->iv, ivsize);
3083 skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3084 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3085 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3086 if (vec->crypt_error != 0) {
3087 /*
3088 * The only acceptable error here is for an invalid length, so
3089 * skcipher decryption should fail with the same error too.
3090 * We'll test for this. But to keep the API usage well-defined,
3091 * explicitly initialize the ciphertext buffer too.
3092 */
3093 memset((u8 *)vec->ctext, 0, vec->len);
3094 }
3095 done:
3096 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3097 vec->len, vec->klen);
3098 }
3099
3100 /*
3101 * Test the skcipher algorithm represented by @req against the corresponding
3102 * generic implementation, if one is available.
3103 */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3104 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3105 struct skcipher_request *req,
3106 struct cipher_test_sglists *tsgls)
3107 {
3108 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3109 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3110 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3111 const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3112 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3113 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3114 const char *driver = crypto_skcipher_driver_name(tfm);
3115 struct rnd_state rng;
3116 char _generic_driver[CRYPTO_MAX_ALG_NAME];
3117 struct crypto_skcipher *generic_tfm = NULL;
3118 struct skcipher_request *generic_req = NULL;
3119 unsigned int i;
3120 struct cipher_testvec vec = { 0 };
3121 char vec_name[64];
3122 struct testvec_config *cfg;
3123 char cfgname[TESTVEC_CONFIG_NAMELEN];
3124 int err;
3125
3126 if (noextratests)
3127 return 0;
3128
3129 /* Keywrap isn't supported here yet as it handles its IV differently. */
3130 if (strncmp(algname, "kw(", 3) == 0)
3131 return 0;
3132
3133 init_rnd_state(&rng);
3134
3135 if (!generic_driver) { /* Use default naming convention? */
3136 err = build_generic_driver_name(algname, _generic_driver);
3137 if (err)
3138 return err;
3139 generic_driver = _generic_driver;
3140 }
3141
3142 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3143 return 0;
3144
3145 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3146 if (IS_ERR(generic_tfm)) {
3147 err = PTR_ERR(generic_tfm);
3148 if (err == -ENOENT) {
3149 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3150 driver, generic_driver);
3151 return 0;
3152 }
3153 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3154 generic_driver, algname, err);
3155 return err;
3156 }
3157
3158 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3159 if (!cfg) {
3160 err = -ENOMEM;
3161 goto out;
3162 }
3163
3164 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3165 if (!generic_req) {
3166 err = -ENOMEM;
3167 goto out;
3168 }
3169
3170 /* Check the algorithm properties for consistency. */
3171
3172 if (crypto_skcipher_min_keysize(tfm) !=
3173 crypto_skcipher_min_keysize(generic_tfm)) {
3174 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3175 driver, crypto_skcipher_min_keysize(tfm),
3176 crypto_skcipher_min_keysize(generic_tfm));
3177 err = -EINVAL;
3178 goto out;
3179 }
3180
3181 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3182 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3183 driver, maxkeysize,
3184 crypto_skcipher_max_keysize(generic_tfm));
3185 err = -EINVAL;
3186 goto out;
3187 }
3188
3189 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3190 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3191 driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3192 err = -EINVAL;
3193 goto out;
3194 }
3195
3196 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3197 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3198 driver, blocksize,
3199 crypto_skcipher_blocksize(generic_tfm));
3200 err = -EINVAL;
3201 goto out;
3202 }
3203
3204 /*
3205 * Now generate test vectors using the generic implementation, and test
3206 * the other implementation against them.
3207 */
3208
3209 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3210 vec.iv = kmalloc(ivsize, GFP_KERNEL);
3211 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3212 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3213 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3214 err = -ENOMEM;
3215 goto out;
3216 }
3217
3218 for (i = 0; i < fuzz_iterations * 8; i++) {
3219 generate_random_cipher_testvec(&rng, generic_req, &vec,
3220 maxdatasize,
3221 vec_name, sizeof(vec_name));
3222 generate_random_testvec_config(&rng, cfg, cfgname,
3223 sizeof(cfgname));
3224
3225 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3226 cfg, req, tsgls);
3227 if (err)
3228 goto out;
3229 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3230 cfg, req, tsgls);
3231 if (err)
3232 goto out;
3233 cond_resched();
3234 }
3235 err = 0;
3236 out:
3237 kfree(cfg);
3238 kfree(vec.key);
3239 kfree(vec.iv);
3240 kfree(vec.ptext);
3241 kfree(vec.ctext);
3242 crypto_free_skcipher(generic_tfm);
3243 skcipher_request_free(generic_req);
3244 return err;
3245 }
3246 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3247 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3248 struct skcipher_request *req,
3249 struct cipher_test_sglists *tsgls)
3250 {
3251 return 0;
3252 }
3253 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3254
test_skcipher(int enc,const struct cipher_test_suite * suite,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3255 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3256 struct skcipher_request *req,
3257 struct cipher_test_sglists *tsgls)
3258 {
3259 unsigned int i;
3260 int err;
3261
3262 for (i = 0; i < suite->count; i++) {
3263 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3264 if (err)
3265 return err;
3266 cond_resched();
3267 }
3268 return 0;
3269 }
3270
alg_test_skcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3271 static int alg_test_skcipher(const struct alg_test_desc *desc,
3272 const char *driver, u32 type, u32 mask)
3273 {
3274 const struct cipher_test_suite *suite = &desc->suite.cipher;
3275 struct crypto_skcipher *tfm;
3276 struct skcipher_request *req = NULL;
3277 struct cipher_test_sglists *tsgls = NULL;
3278 int err;
3279
3280 if (suite->count <= 0) {
3281 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3282 return -EINVAL;
3283 }
3284
3285 tfm = crypto_alloc_skcipher(driver, type, mask);
3286 if (IS_ERR(tfm)) {
3287 if (PTR_ERR(tfm) == -ENOENT)
3288 return 0;
3289 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3290 driver, PTR_ERR(tfm));
3291 return PTR_ERR(tfm);
3292 }
3293 driver = crypto_skcipher_driver_name(tfm);
3294
3295 req = skcipher_request_alloc(tfm, GFP_KERNEL);
3296 if (!req) {
3297 pr_err("alg: skcipher: failed to allocate request for %s\n",
3298 driver);
3299 err = -ENOMEM;
3300 goto out;
3301 }
3302
3303 tsgls = alloc_cipher_test_sglists();
3304 if (!tsgls) {
3305 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3306 driver);
3307 err = -ENOMEM;
3308 goto out;
3309 }
3310
3311 err = test_skcipher(ENCRYPT, suite, req, tsgls);
3312 if (err)
3313 goto out;
3314
3315 err = test_skcipher(DECRYPT, suite, req, tsgls);
3316 if (err)
3317 goto out;
3318
3319 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3320 out:
3321 free_cipher_test_sglists(tsgls);
3322 skcipher_request_free(req);
3323 crypto_free_skcipher(tfm);
3324 return err;
3325 }
3326
test_comp(struct crypto_comp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3327 static int test_comp(struct crypto_comp *tfm,
3328 const struct comp_testvec *ctemplate,
3329 const struct comp_testvec *dtemplate,
3330 int ctcount, int dtcount)
3331 {
3332 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3333 char *output, *decomp_output;
3334 unsigned int i;
3335 int ret;
3336
3337 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3338 if (!output)
3339 return -ENOMEM;
3340
3341 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3342 if (!decomp_output) {
3343 kfree(output);
3344 return -ENOMEM;
3345 }
3346
3347 for (i = 0; i < ctcount; i++) {
3348 int ilen;
3349 unsigned int dlen = COMP_BUF_SIZE;
3350
3351 memset(output, 0, COMP_BUF_SIZE);
3352 memset(decomp_output, 0, COMP_BUF_SIZE);
3353
3354 ilen = ctemplate[i].inlen;
3355 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3356 ilen, output, &dlen);
3357 if (ret) {
3358 printk(KERN_ERR "alg: comp: compression failed "
3359 "on test %d for %s: ret=%d\n", i + 1, algo,
3360 -ret);
3361 goto out;
3362 }
3363
3364 ilen = dlen;
3365 dlen = COMP_BUF_SIZE;
3366 ret = crypto_comp_decompress(tfm, output,
3367 ilen, decomp_output, &dlen);
3368 if (ret) {
3369 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3370 i + 1, algo, -ret);
3371 goto out;
3372 }
3373
3374 if (dlen != ctemplate[i].inlen) {
3375 printk(KERN_ERR "alg: comp: Compression test %d "
3376 "failed for %s: output len = %d\n", i + 1, algo,
3377 dlen);
3378 ret = -EINVAL;
3379 goto out;
3380 }
3381
3382 if (memcmp(decomp_output, ctemplate[i].input,
3383 ctemplate[i].inlen)) {
3384 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3385 i + 1, algo);
3386 hexdump(decomp_output, dlen);
3387 ret = -EINVAL;
3388 goto out;
3389 }
3390 }
3391
3392 for (i = 0; i < dtcount; i++) {
3393 int ilen;
3394 unsigned int dlen = COMP_BUF_SIZE;
3395
3396 memset(decomp_output, 0, COMP_BUF_SIZE);
3397
3398 ilen = dtemplate[i].inlen;
3399 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3400 ilen, decomp_output, &dlen);
3401 if (ret) {
3402 printk(KERN_ERR "alg: comp: decompression failed "
3403 "on test %d for %s: ret=%d\n", i + 1, algo,
3404 -ret);
3405 goto out;
3406 }
3407
3408 if (dlen != dtemplate[i].outlen) {
3409 printk(KERN_ERR "alg: comp: Decompression test %d "
3410 "failed for %s: output len = %d\n", i + 1, algo,
3411 dlen);
3412 ret = -EINVAL;
3413 goto out;
3414 }
3415
3416 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3417 printk(KERN_ERR "alg: comp: Decompression test %d "
3418 "failed for %s\n", i + 1, algo);
3419 hexdump(decomp_output, dlen);
3420 ret = -EINVAL;
3421 goto out;
3422 }
3423 }
3424
3425 ret = 0;
3426
3427 out:
3428 kfree(decomp_output);
3429 kfree(output);
3430 return ret;
3431 }
3432
test_acomp(struct crypto_acomp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3433 static int test_acomp(struct crypto_acomp *tfm,
3434 const struct comp_testvec *ctemplate,
3435 const struct comp_testvec *dtemplate,
3436 int ctcount, int dtcount)
3437 {
3438 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3439 unsigned int i;
3440 char *output, *decomp_out;
3441 int ret;
3442 struct scatterlist src, dst;
3443 struct acomp_req *req;
3444 struct crypto_wait wait;
3445
3446 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3447 if (!output)
3448 return -ENOMEM;
3449
3450 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3451 if (!decomp_out) {
3452 kfree(output);
3453 return -ENOMEM;
3454 }
3455
3456 for (i = 0; i < ctcount; i++) {
3457 unsigned int dlen = COMP_BUF_SIZE;
3458 int ilen = ctemplate[i].inlen;
3459 void *input_vec;
3460
3461 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3462 if (!input_vec) {
3463 ret = -ENOMEM;
3464 goto out;
3465 }
3466
3467 memset(output, 0, dlen);
3468 crypto_init_wait(&wait);
3469 sg_init_one(&src, input_vec, ilen);
3470 sg_init_one(&dst, output, dlen);
3471
3472 req = acomp_request_alloc(tfm);
3473 if (!req) {
3474 pr_err("alg: acomp: request alloc failed for %s\n",
3475 algo);
3476 kfree(input_vec);
3477 ret = -ENOMEM;
3478 goto out;
3479 }
3480
3481 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3482 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3483 crypto_req_done, &wait);
3484
3485 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3486 if (ret) {
3487 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3488 i + 1, algo, -ret);
3489 kfree(input_vec);
3490 acomp_request_free(req);
3491 goto out;
3492 }
3493
3494 ilen = req->dlen;
3495 dlen = COMP_BUF_SIZE;
3496 sg_init_one(&src, output, ilen);
3497 sg_init_one(&dst, decomp_out, dlen);
3498 crypto_init_wait(&wait);
3499 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3500
3501 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3502 if (ret) {
3503 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3504 i + 1, algo, -ret);
3505 kfree(input_vec);
3506 acomp_request_free(req);
3507 goto out;
3508 }
3509
3510 if (req->dlen != ctemplate[i].inlen) {
3511 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3512 i + 1, algo, req->dlen);
3513 ret = -EINVAL;
3514 kfree(input_vec);
3515 acomp_request_free(req);
3516 goto out;
3517 }
3518
3519 if (memcmp(input_vec, decomp_out, req->dlen)) {
3520 pr_err("alg: acomp: Compression test %d failed for %s\n",
3521 i + 1, algo);
3522 hexdump(output, req->dlen);
3523 ret = -EINVAL;
3524 kfree(input_vec);
3525 acomp_request_free(req);
3526 goto out;
3527 }
3528
3529 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3530 crypto_init_wait(&wait);
3531 sg_init_one(&src, input_vec, ilen);
3532 acomp_request_set_params(req, &src, NULL, ilen, 0);
3533
3534 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3535 if (ret) {
3536 pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3537 i + 1, algo, -ret);
3538 kfree(input_vec);
3539 acomp_request_free(req);
3540 goto out;
3541 }
3542 #endif
3543
3544 kfree(input_vec);
3545 acomp_request_free(req);
3546 }
3547
3548 for (i = 0; i < dtcount; i++) {
3549 unsigned int dlen = COMP_BUF_SIZE;
3550 int ilen = dtemplate[i].inlen;
3551 void *input_vec;
3552
3553 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3554 if (!input_vec) {
3555 ret = -ENOMEM;
3556 goto out;
3557 }
3558
3559 memset(output, 0, dlen);
3560 crypto_init_wait(&wait);
3561 sg_init_one(&src, input_vec, ilen);
3562 sg_init_one(&dst, output, dlen);
3563
3564 req = acomp_request_alloc(tfm);
3565 if (!req) {
3566 pr_err("alg: acomp: request alloc failed for %s\n",
3567 algo);
3568 kfree(input_vec);
3569 ret = -ENOMEM;
3570 goto out;
3571 }
3572
3573 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3574 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3575 crypto_req_done, &wait);
3576
3577 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3578 if (ret) {
3579 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3580 i + 1, algo, -ret);
3581 kfree(input_vec);
3582 acomp_request_free(req);
3583 goto out;
3584 }
3585
3586 if (req->dlen != dtemplate[i].outlen) {
3587 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3588 i + 1, algo, req->dlen);
3589 ret = -EINVAL;
3590 kfree(input_vec);
3591 acomp_request_free(req);
3592 goto out;
3593 }
3594
3595 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3596 pr_err("alg: acomp: Decompression test %d failed for %s\n",
3597 i + 1, algo);
3598 hexdump(output, req->dlen);
3599 ret = -EINVAL;
3600 kfree(input_vec);
3601 acomp_request_free(req);
3602 goto out;
3603 }
3604
3605 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3606 crypto_init_wait(&wait);
3607 acomp_request_set_params(req, &src, NULL, ilen, 0);
3608
3609 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3610 if (ret) {
3611 pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3612 i + 1, algo, -ret);
3613 kfree(input_vec);
3614 acomp_request_free(req);
3615 goto out;
3616 }
3617 #endif
3618
3619 kfree(input_vec);
3620 acomp_request_free(req);
3621 }
3622
3623 ret = 0;
3624
3625 out:
3626 kfree(decomp_out);
3627 kfree(output);
3628 return ret;
3629 }
3630
test_cprng(struct crypto_rng * tfm,const struct cprng_testvec * template,unsigned int tcount)3631 static int test_cprng(struct crypto_rng *tfm,
3632 const struct cprng_testvec *template,
3633 unsigned int tcount)
3634 {
3635 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3636 int err = 0, i, j, seedsize;
3637 u8 *seed;
3638 char result[32];
3639
3640 seedsize = crypto_rng_seedsize(tfm);
3641
3642 seed = kmalloc(seedsize, GFP_KERNEL);
3643 if (!seed) {
3644 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3645 "for %s\n", algo);
3646 return -ENOMEM;
3647 }
3648
3649 for (i = 0; i < tcount; i++) {
3650 memset(result, 0, 32);
3651
3652 memcpy(seed, template[i].v, template[i].vlen);
3653 memcpy(seed + template[i].vlen, template[i].key,
3654 template[i].klen);
3655 memcpy(seed + template[i].vlen + template[i].klen,
3656 template[i].dt, template[i].dtlen);
3657
3658 err = crypto_rng_reset(tfm, seed, seedsize);
3659 if (err) {
3660 printk(KERN_ERR "alg: cprng: Failed to reset rng "
3661 "for %s\n", algo);
3662 goto out;
3663 }
3664
3665 for (j = 0; j < template[i].loops; j++) {
3666 err = crypto_rng_get_bytes(tfm, result,
3667 template[i].rlen);
3668 if (err < 0) {
3669 printk(KERN_ERR "alg: cprng: Failed to obtain "
3670 "the correct amount of random data for "
3671 "%s (requested %d)\n", algo,
3672 template[i].rlen);
3673 goto out;
3674 }
3675 }
3676
3677 err = memcmp(result, template[i].result,
3678 template[i].rlen);
3679 if (err) {
3680 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3681 i, algo);
3682 hexdump(result, template[i].rlen);
3683 err = -EINVAL;
3684 goto out;
3685 }
3686 }
3687
3688 out:
3689 kfree(seed);
3690 return err;
3691 }
3692
alg_test_cipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3693 static int alg_test_cipher(const struct alg_test_desc *desc,
3694 const char *driver, u32 type, u32 mask)
3695 {
3696 const struct cipher_test_suite *suite = &desc->suite.cipher;
3697 struct crypto_cipher *tfm;
3698 int err;
3699
3700 tfm = crypto_alloc_cipher(driver, type, mask);
3701 if (IS_ERR(tfm)) {
3702 if (PTR_ERR(tfm) == -ENOENT)
3703 return 0;
3704 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3705 "%s: %ld\n", driver, PTR_ERR(tfm));
3706 return PTR_ERR(tfm);
3707 }
3708
3709 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3710 if (!err)
3711 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3712
3713 crypto_free_cipher(tfm);
3714 return err;
3715 }
3716
alg_test_comp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3717 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3718 u32 type, u32 mask)
3719 {
3720 struct crypto_comp *comp;
3721 struct crypto_acomp *acomp;
3722 int err;
3723 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3724
3725 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3726 acomp = crypto_alloc_acomp(driver, type, mask);
3727 if (IS_ERR(acomp)) {
3728 if (PTR_ERR(acomp) == -ENOENT)
3729 return 0;
3730 pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3731 driver, PTR_ERR(acomp));
3732 return PTR_ERR(acomp);
3733 }
3734 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3735 desc->suite.comp.decomp.vecs,
3736 desc->suite.comp.comp.count,
3737 desc->suite.comp.decomp.count);
3738 crypto_free_acomp(acomp);
3739 } else {
3740 comp = crypto_alloc_comp(driver, type, mask);
3741 if (IS_ERR(comp)) {
3742 if (PTR_ERR(comp) == -ENOENT)
3743 return 0;
3744 pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3745 driver, PTR_ERR(comp));
3746 return PTR_ERR(comp);
3747 }
3748
3749 err = test_comp(comp, desc->suite.comp.comp.vecs,
3750 desc->suite.comp.decomp.vecs,
3751 desc->suite.comp.comp.count,
3752 desc->suite.comp.decomp.count);
3753
3754 crypto_free_comp(comp);
3755 }
3756 return err;
3757 }
3758
alg_test_crc32c(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3759 static int alg_test_crc32c(const struct alg_test_desc *desc,
3760 const char *driver, u32 type, u32 mask)
3761 {
3762 struct crypto_shash *tfm;
3763 __le32 val;
3764 int err;
3765
3766 err = alg_test_hash(desc, driver, type, mask);
3767 if (err)
3768 return err;
3769
3770 tfm = crypto_alloc_shash(driver, type, mask);
3771 if (IS_ERR(tfm)) {
3772 if (PTR_ERR(tfm) == -ENOENT) {
3773 /*
3774 * This crc32c implementation is only available through
3775 * ahash API, not the shash API, so the remaining part
3776 * of the test is not applicable to it.
3777 */
3778 return 0;
3779 }
3780 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3781 "%ld\n", driver, PTR_ERR(tfm));
3782 return PTR_ERR(tfm);
3783 }
3784 driver = crypto_shash_driver_name(tfm);
3785
3786 do {
3787 SHASH_DESC_ON_STACK(shash, tfm);
3788 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3789
3790 shash->tfm = tfm;
3791
3792 *ctx = 420553207;
3793 err = crypto_shash_final(shash, (u8 *)&val);
3794 if (err) {
3795 printk(KERN_ERR "alg: crc32c: Operation failed for "
3796 "%s: %d\n", driver, err);
3797 break;
3798 }
3799
3800 if (val != cpu_to_le32(~420553207)) {
3801 pr_err("alg: crc32c: Test failed for %s: %u\n",
3802 driver, le32_to_cpu(val));
3803 err = -EINVAL;
3804 }
3805 } while (0);
3806
3807 crypto_free_shash(tfm);
3808
3809 return err;
3810 }
3811
alg_test_cprng(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3812 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3813 u32 type, u32 mask)
3814 {
3815 struct crypto_rng *rng;
3816 int err;
3817
3818 rng = crypto_alloc_rng(driver, type, mask);
3819 if (IS_ERR(rng)) {
3820 if (PTR_ERR(rng) == -ENOENT)
3821 return 0;
3822 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3823 "%ld\n", driver, PTR_ERR(rng));
3824 return PTR_ERR(rng);
3825 }
3826
3827 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3828
3829 crypto_free_rng(rng);
3830
3831 return err;
3832 }
3833
3834
drbg_cavs_test(const struct drbg_testvec * test,int pr,const char * driver,u32 type,u32 mask)3835 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3836 const char *driver, u32 type, u32 mask)
3837 {
3838 int ret = -EAGAIN;
3839 struct crypto_rng *drng;
3840 struct drbg_test_data test_data;
3841 struct drbg_string addtl, pers, testentropy;
3842 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3843
3844 if (!buf)
3845 return -ENOMEM;
3846
3847 drng = crypto_alloc_rng(driver, type, mask);
3848 if (IS_ERR(drng)) {
3849 kfree_sensitive(buf);
3850 if (PTR_ERR(drng) == -ENOENT)
3851 return 0;
3852 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3853 "%s\n", driver);
3854 return PTR_ERR(drng);
3855 }
3856
3857 test_data.testentropy = &testentropy;
3858 drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3859 drbg_string_fill(&pers, test->pers, test->perslen);
3860 ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3861 if (ret) {
3862 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3863 goto outbuf;
3864 }
3865
3866 drbg_string_fill(&addtl, test->addtla, test->addtllen);
3867 if (pr) {
3868 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3869 ret = crypto_drbg_get_bytes_addtl_test(drng,
3870 buf, test->expectedlen, &addtl, &test_data);
3871 } else {
3872 ret = crypto_drbg_get_bytes_addtl(drng,
3873 buf, test->expectedlen, &addtl);
3874 }
3875 if (ret < 0) {
3876 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3877 "driver %s\n", driver);
3878 goto outbuf;
3879 }
3880
3881 drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3882 if (pr) {
3883 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3884 ret = crypto_drbg_get_bytes_addtl_test(drng,
3885 buf, test->expectedlen, &addtl, &test_data);
3886 } else {
3887 ret = crypto_drbg_get_bytes_addtl(drng,
3888 buf, test->expectedlen, &addtl);
3889 }
3890 if (ret < 0) {
3891 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3892 "driver %s\n", driver);
3893 goto outbuf;
3894 }
3895
3896 ret = memcmp(test->expected, buf, test->expectedlen);
3897
3898 outbuf:
3899 crypto_free_rng(drng);
3900 kfree_sensitive(buf);
3901 return ret;
3902 }
3903
3904
alg_test_drbg(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3905 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3906 u32 type, u32 mask)
3907 {
3908 int err = 0;
3909 int pr = 0;
3910 int i = 0;
3911 const struct drbg_testvec *template = desc->suite.drbg.vecs;
3912 unsigned int tcount = desc->suite.drbg.count;
3913
3914 if (0 == memcmp(driver, "drbg_pr_", 8))
3915 pr = 1;
3916
3917 for (i = 0; i < tcount; i++) {
3918 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3919 if (err) {
3920 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3921 i, driver);
3922 err = -EINVAL;
3923 break;
3924 }
3925 }
3926 return err;
3927
3928 }
3929
do_test_kpp(struct crypto_kpp * tfm,const struct kpp_testvec * vec,const char * alg)3930 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3931 const char *alg)
3932 {
3933 struct kpp_request *req;
3934 void *input_buf = NULL;
3935 void *output_buf = NULL;
3936 void *a_public = NULL;
3937 void *a_ss = NULL;
3938 void *shared_secret = NULL;
3939 struct crypto_wait wait;
3940 unsigned int out_len_max;
3941 int err = -ENOMEM;
3942 struct scatterlist src, dst;
3943
3944 req = kpp_request_alloc(tfm, GFP_KERNEL);
3945 if (!req)
3946 return err;
3947
3948 crypto_init_wait(&wait);
3949
3950 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3951 if (err < 0)
3952 goto free_req;
3953
3954 out_len_max = crypto_kpp_maxsize(tfm);
3955 output_buf = kzalloc(out_len_max, GFP_KERNEL);
3956 if (!output_buf) {
3957 err = -ENOMEM;
3958 goto free_req;
3959 }
3960
3961 /* Use appropriate parameter as base */
3962 kpp_request_set_input(req, NULL, 0);
3963 sg_init_one(&dst, output_buf, out_len_max);
3964 kpp_request_set_output(req, &dst, out_len_max);
3965 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3966 crypto_req_done, &wait);
3967
3968 /* Compute party A's public key */
3969 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3970 if (err) {
3971 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3972 alg, err);
3973 goto free_output;
3974 }
3975
3976 if (vec->genkey) {
3977 /* Save party A's public key */
3978 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3979 if (!a_public) {
3980 err = -ENOMEM;
3981 goto free_output;
3982 }
3983 } else {
3984 /* Verify calculated public key */
3985 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3986 vec->expected_a_public_size)) {
3987 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3988 alg);
3989 err = -EINVAL;
3990 goto free_output;
3991 }
3992 }
3993
3994 /* Calculate shared secret key by using counter part (b) public key. */
3995 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3996 if (!input_buf) {
3997 err = -ENOMEM;
3998 goto free_output;
3999 }
4000
4001 sg_init_one(&src, input_buf, vec->b_public_size);
4002 sg_init_one(&dst, output_buf, out_len_max);
4003 kpp_request_set_input(req, &src, vec->b_public_size);
4004 kpp_request_set_output(req, &dst, out_len_max);
4005 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4006 crypto_req_done, &wait);
4007 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
4008 if (err) {
4009 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
4010 alg, err);
4011 goto free_all;
4012 }
4013
4014 if (vec->genkey) {
4015 /* Save the shared secret obtained by party A */
4016 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
4017 if (!a_ss) {
4018 err = -ENOMEM;
4019 goto free_all;
4020 }
4021
4022 /*
4023 * Calculate party B's shared secret by using party A's
4024 * public key.
4025 */
4026 err = crypto_kpp_set_secret(tfm, vec->b_secret,
4027 vec->b_secret_size);
4028 if (err < 0)
4029 goto free_all;
4030
4031 sg_init_one(&src, a_public, vec->expected_a_public_size);
4032 sg_init_one(&dst, output_buf, out_len_max);
4033 kpp_request_set_input(req, &src, vec->expected_a_public_size);
4034 kpp_request_set_output(req, &dst, out_len_max);
4035 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4036 crypto_req_done, &wait);
4037 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
4038 &wait);
4039 if (err) {
4040 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
4041 alg, err);
4042 goto free_all;
4043 }
4044
4045 shared_secret = a_ss;
4046 } else {
4047 shared_secret = (void *)vec->expected_ss;
4048 }
4049
4050 /*
4051 * verify shared secret from which the user will derive
4052 * secret key by executing whatever hash it has chosen
4053 */
4054 if (memcmp(shared_secret, sg_virt(req->dst),
4055 vec->expected_ss_size)) {
4056 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4057 alg);
4058 err = -EINVAL;
4059 }
4060
4061 free_all:
4062 kfree(a_ss);
4063 kfree(input_buf);
4064 free_output:
4065 kfree(a_public);
4066 kfree(output_buf);
4067 free_req:
4068 kpp_request_free(req);
4069 return err;
4070 }
4071
test_kpp(struct crypto_kpp * tfm,const char * alg,const struct kpp_testvec * vecs,unsigned int tcount)4072 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4073 const struct kpp_testvec *vecs, unsigned int tcount)
4074 {
4075 int ret, i;
4076
4077 for (i = 0; i < tcount; i++) {
4078 ret = do_test_kpp(tfm, vecs++, alg);
4079 if (ret) {
4080 pr_err("alg: %s: test failed on vector %d, err=%d\n",
4081 alg, i + 1, ret);
4082 return ret;
4083 }
4084 }
4085 return 0;
4086 }
4087
alg_test_kpp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4088 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4089 u32 type, u32 mask)
4090 {
4091 struct crypto_kpp *tfm;
4092 int err = 0;
4093
4094 tfm = crypto_alloc_kpp(driver, type, mask);
4095 if (IS_ERR(tfm)) {
4096 if (PTR_ERR(tfm) == -ENOENT)
4097 return 0;
4098 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4099 driver, PTR_ERR(tfm));
4100 return PTR_ERR(tfm);
4101 }
4102 if (desc->suite.kpp.vecs)
4103 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4104 desc->suite.kpp.count);
4105
4106 crypto_free_kpp(tfm);
4107 return err;
4108 }
4109
test_pack_u32(u8 * dst,u32 val)4110 static u8 *test_pack_u32(u8 *dst, u32 val)
4111 {
4112 memcpy(dst, &val, sizeof(val));
4113 return dst + sizeof(val);
4114 }
4115
test_akcipher_one(struct crypto_akcipher * tfm,const struct akcipher_testvec * vecs)4116 static int test_akcipher_one(struct crypto_akcipher *tfm,
4117 const struct akcipher_testvec *vecs)
4118 {
4119 char *xbuf[XBUFSIZE];
4120 struct akcipher_request *req;
4121 void *outbuf_enc = NULL;
4122 void *outbuf_dec = NULL;
4123 struct crypto_wait wait;
4124 unsigned int out_len_max, out_len = 0;
4125 int err = -ENOMEM;
4126 struct scatterlist src, dst, src_tab[3];
4127 const char *m, *c;
4128 unsigned int m_size, c_size;
4129 const char *op;
4130 u8 *key, *ptr;
4131
4132 if (testmgr_alloc_buf(xbuf))
4133 return err;
4134
4135 req = akcipher_request_alloc(tfm, GFP_KERNEL);
4136 if (!req)
4137 goto free_xbuf;
4138
4139 crypto_init_wait(&wait);
4140
4141 key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4142 GFP_KERNEL);
4143 if (!key)
4144 goto free_req;
4145 memcpy(key, vecs->key, vecs->key_len);
4146 ptr = key + vecs->key_len;
4147 ptr = test_pack_u32(ptr, vecs->algo);
4148 ptr = test_pack_u32(ptr, vecs->param_len);
4149 memcpy(ptr, vecs->params, vecs->param_len);
4150
4151 if (vecs->public_key_vec)
4152 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4153 else
4154 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4155 if (err)
4156 goto free_key;
4157
4158 /*
4159 * First run test which do not require a private key, such as
4160 * encrypt or verify.
4161 */
4162 err = -ENOMEM;
4163 out_len_max = crypto_akcipher_maxsize(tfm);
4164 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4165 if (!outbuf_enc)
4166 goto free_key;
4167
4168 if (!vecs->siggen_sigver_test) {
4169 m = vecs->m;
4170 m_size = vecs->m_size;
4171 c = vecs->c;
4172 c_size = vecs->c_size;
4173 op = "encrypt";
4174 } else {
4175 /* Swap args so we could keep plaintext (digest)
4176 * in vecs->m, and cooked signature in vecs->c.
4177 */
4178 m = vecs->c; /* signature */
4179 m_size = vecs->c_size;
4180 c = vecs->m; /* digest */
4181 c_size = vecs->m_size;
4182 op = "verify";
4183 }
4184
4185 err = -E2BIG;
4186 if (WARN_ON(m_size > PAGE_SIZE))
4187 goto free_all;
4188 memcpy(xbuf[0], m, m_size);
4189
4190 sg_init_table(src_tab, 3);
4191 sg_set_buf(&src_tab[0], xbuf[0], 8);
4192 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4193 if (vecs->siggen_sigver_test) {
4194 if (WARN_ON(c_size > PAGE_SIZE))
4195 goto free_all;
4196 memcpy(xbuf[1], c, c_size);
4197 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4198 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4199 } else {
4200 sg_init_one(&dst, outbuf_enc, out_len_max);
4201 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4202 out_len_max);
4203 }
4204 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4205 crypto_req_done, &wait);
4206
4207 err = crypto_wait_req(vecs->siggen_sigver_test ?
4208 /* Run asymmetric signature verification */
4209 crypto_akcipher_verify(req) :
4210 /* Run asymmetric encrypt */
4211 crypto_akcipher_encrypt(req), &wait);
4212 if (err) {
4213 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4214 goto free_all;
4215 }
4216 if (!vecs->siggen_sigver_test && c) {
4217 if (req->dst_len != c_size) {
4218 pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4219 op);
4220 err = -EINVAL;
4221 goto free_all;
4222 }
4223 /* verify that encrypted message is equal to expected */
4224 if (memcmp(c, outbuf_enc, c_size) != 0) {
4225 pr_err("alg: akcipher: %s test failed. Invalid output\n",
4226 op);
4227 hexdump(outbuf_enc, c_size);
4228 err = -EINVAL;
4229 goto free_all;
4230 }
4231 }
4232
4233 /*
4234 * Don't invoke (decrypt or sign) test which require a private key
4235 * for vectors with only a public key.
4236 */
4237 if (vecs->public_key_vec) {
4238 err = 0;
4239 goto free_all;
4240 }
4241 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4242 if (!outbuf_dec) {
4243 err = -ENOMEM;
4244 goto free_all;
4245 }
4246
4247 if (!vecs->siggen_sigver_test && !c) {
4248 c = outbuf_enc;
4249 c_size = req->dst_len;
4250 }
4251
4252 err = -E2BIG;
4253 op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4254 if (WARN_ON(c_size > PAGE_SIZE))
4255 goto free_all;
4256 memcpy(xbuf[0], c, c_size);
4257
4258 sg_init_one(&src, xbuf[0], c_size);
4259 sg_init_one(&dst, outbuf_dec, out_len_max);
4260 crypto_init_wait(&wait);
4261 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4262
4263 err = crypto_wait_req(vecs->siggen_sigver_test ?
4264 /* Run asymmetric signature generation */
4265 crypto_akcipher_sign(req) :
4266 /* Run asymmetric decrypt */
4267 crypto_akcipher_decrypt(req), &wait);
4268 if (err) {
4269 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4270 goto free_all;
4271 }
4272 out_len = req->dst_len;
4273 if (out_len < m_size) {
4274 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4275 op, out_len);
4276 err = -EINVAL;
4277 goto free_all;
4278 }
4279 /* verify that decrypted message is equal to the original msg */
4280 if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4281 memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4282 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4283 hexdump(outbuf_dec, out_len);
4284 err = -EINVAL;
4285 }
4286 free_all:
4287 kfree(outbuf_dec);
4288 kfree(outbuf_enc);
4289 free_key:
4290 kfree(key);
4291 free_req:
4292 akcipher_request_free(req);
4293 free_xbuf:
4294 testmgr_free_buf(xbuf);
4295 return err;
4296 }
4297
test_akcipher(struct crypto_akcipher * tfm,const char * alg,const struct akcipher_testvec * vecs,unsigned int tcount)4298 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4299 const struct akcipher_testvec *vecs,
4300 unsigned int tcount)
4301 {
4302 const char *algo =
4303 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4304 int ret, i;
4305
4306 for (i = 0; i < tcount; i++) {
4307 ret = test_akcipher_one(tfm, vecs++);
4308 if (!ret)
4309 continue;
4310
4311 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4312 i + 1, algo, ret);
4313 return ret;
4314 }
4315 return 0;
4316 }
4317
alg_test_akcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4318 static int alg_test_akcipher(const struct alg_test_desc *desc,
4319 const char *driver, u32 type, u32 mask)
4320 {
4321 struct crypto_akcipher *tfm;
4322 int err = 0;
4323
4324 tfm = crypto_alloc_akcipher(driver, type, mask);
4325 if (IS_ERR(tfm)) {
4326 if (PTR_ERR(tfm) == -ENOENT)
4327 return 0;
4328 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4329 driver, PTR_ERR(tfm));
4330 return PTR_ERR(tfm);
4331 }
4332 if (desc->suite.akcipher.vecs)
4333 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4334 desc->suite.akcipher.count);
4335
4336 crypto_free_akcipher(tfm);
4337 return err;
4338 }
4339
alg_test_null(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4340 static int alg_test_null(const struct alg_test_desc *desc,
4341 const char *driver, u32 type, u32 mask)
4342 {
4343 return 0;
4344 }
4345
4346 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv)
4347 #define __VECS(tv) { ____VECS(tv) }
4348
4349 /* Please keep this list sorted by algorithm name. */
4350 static const struct alg_test_desc alg_test_descs[] = {
4351 {
4352 .alg = "adiantum(xchacha12,aes)",
4353 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4354 .test = alg_test_skcipher,
4355 .suite = {
4356 .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4357 },
4358 }, {
4359 .alg = "adiantum(xchacha20,aes)",
4360 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4361 .test = alg_test_skcipher,
4362 .suite = {
4363 .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4364 },
4365 }, {
4366 .alg = "aegis128",
4367 .test = alg_test_aead,
4368 .suite = {
4369 .aead = __VECS(aegis128_tv_template)
4370 }
4371 }, {
4372 .alg = "ansi_cprng",
4373 .test = alg_test_cprng,
4374 .suite = {
4375 .cprng = __VECS(ansi_cprng_aes_tv_template)
4376 }
4377 }, {
4378 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4379 .test = alg_test_aead,
4380 .suite = {
4381 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4382 }
4383 }, {
4384 .alg = "authenc(hmac(sha1),cbc(aes))",
4385 .test = alg_test_aead,
4386 .fips_allowed = 1,
4387 .suite = {
4388 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4389 }
4390 }, {
4391 .alg = "authenc(hmac(sha1),cbc(des))",
4392 .test = alg_test_aead,
4393 .suite = {
4394 .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4395 }
4396 }, {
4397 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4398 .test = alg_test_aead,
4399 .suite = {
4400 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4401 }
4402 }, {
4403 .alg = "authenc(hmac(sha1),ctr(aes))",
4404 .test = alg_test_null,
4405 .fips_allowed = 1,
4406 }, {
4407 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4408 .test = alg_test_aead,
4409 .suite = {
4410 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4411 }
4412 }, {
4413 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4414 .test = alg_test_null,
4415 .fips_allowed = 1,
4416 }, {
4417 .alg = "authenc(hmac(sha224),cbc(des))",
4418 .test = alg_test_aead,
4419 .suite = {
4420 .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4421 }
4422 }, {
4423 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4424 .test = alg_test_aead,
4425 .suite = {
4426 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4427 }
4428 }, {
4429 .alg = "authenc(hmac(sha256),cbc(aes))",
4430 .test = alg_test_aead,
4431 .fips_allowed = 1,
4432 .suite = {
4433 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4434 }
4435 }, {
4436 .alg = "authenc(hmac(sha256),cbc(des))",
4437 .test = alg_test_aead,
4438 .suite = {
4439 .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4440 }
4441 }, {
4442 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4443 .test = alg_test_aead,
4444 .suite = {
4445 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4446 }
4447 }, {
4448 .alg = "authenc(hmac(sha256),ctr(aes))",
4449 .test = alg_test_null,
4450 .fips_allowed = 1,
4451 }, {
4452 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4453 .test = alg_test_null,
4454 .fips_allowed = 1,
4455 }, {
4456 .alg = "authenc(hmac(sha384),cbc(des))",
4457 .test = alg_test_aead,
4458 .suite = {
4459 .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4460 }
4461 }, {
4462 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4463 .test = alg_test_aead,
4464 .suite = {
4465 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4466 }
4467 }, {
4468 .alg = "authenc(hmac(sha384),ctr(aes))",
4469 .test = alg_test_null,
4470 .fips_allowed = 1,
4471 }, {
4472 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4473 .test = alg_test_null,
4474 .fips_allowed = 1,
4475 }, {
4476 .alg = "authenc(hmac(sha512),cbc(aes))",
4477 .fips_allowed = 1,
4478 .test = alg_test_aead,
4479 .suite = {
4480 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4481 }
4482 }, {
4483 .alg = "authenc(hmac(sha512),cbc(des))",
4484 .test = alg_test_aead,
4485 .suite = {
4486 .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4487 }
4488 }, {
4489 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4490 .test = alg_test_aead,
4491 .suite = {
4492 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4493 }
4494 }, {
4495 .alg = "authenc(hmac(sha512),ctr(aes))",
4496 .test = alg_test_null,
4497 .fips_allowed = 1,
4498 }, {
4499 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4500 .test = alg_test_null,
4501 .fips_allowed = 1,
4502 }, {
4503 .alg = "blake2b-160",
4504 .test = alg_test_hash,
4505 .fips_allowed = 0,
4506 .suite = {
4507 .hash = __VECS(blake2b_160_tv_template)
4508 }
4509 }, {
4510 .alg = "blake2b-256",
4511 .test = alg_test_hash,
4512 .fips_allowed = 0,
4513 .suite = {
4514 .hash = __VECS(blake2b_256_tv_template)
4515 }
4516 }, {
4517 .alg = "blake2b-384",
4518 .test = alg_test_hash,
4519 .fips_allowed = 0,
4520 .suite = {
4521 .hash = __VECS(blake2b_384_tv_template)
4522 }
4523 }, {
4524 .alg = "blake2b-512",
4525 .test = alg_test_hash,
4526 .fips_allowed = 0,
4527 .suite = {
4528 .hash = __VECS(blake2b_512_tv_template)
4529 }
4530 }, {
4531 .alg = "cbc(aes)",
4532 .test = alg_test_skcipher,
4533 .fips_allowed = 1,
4534 .suite = {
4535 .cipher = __VECS(aes_cbc_tv_template)
4536 },
4537 }, {
4538 .alg = "cbc(anubis)",
4539 .test = alg_test_skcipher,
4540 .suite = {
4541 .cipher = __VECS(anubis_cbc_tv_template)
4542 },
4543 }, {
4544 .alg = "cbc(aria)",
4545 .test = alg_test_skcipher,
4546 .suite = {
4547 .cipher = __VECS(aria_cbc_tv_template)
4548 },
4549 }, {
4550 .alg = "cbc(blowfish)",
4551 .test = alg_test_skcipher,
4552 .suite = {
4553 .cipher = __VECS(bf_cbc_tv_template)
4554 },
4555 }, {
4556 .alg = "cbc(camellia)",
4557 .test = alg_test_skcipher,
4558 .suite = {
4559 .cipher = __VECS(camellia_cbc_tv_template)
4560 },
4561 }, {
4562 .alg = "cbc(cast5)",
4563 .test = alg_test_skcipher,
4564 .suite = {
4565 .cipher = __VECS(cast5_cbc_tv_template)
4566 },
4567 }, {
4568 .alg = "cbc(cast6)",
4569 .test = alg_test_skcipher,
4570 .suite = {
4571 .cipher = __VECS(cast6_cbc_tv_template)
4572 },
4573 }, {
4574 .alg = "cbc(des)",
4575 .test = alg_test_skcipher,
4576 .suite = {
4577 .cipher = __VECS(des_cbc_tv_template)
4578 },
4579 }, {
4580 .alg = "cbc(des3_ede)",
4581 .test = alg_test_skcipher,
4582 .suite = {
4583 .cipher = __VECS(des3_ede_cbc_tv_template)
4584 },
4585 }, {
4586 /* Same as cbc(aes) except the key is stored in
4587 * hardware secure memory which we reference by index
4588 */
4589 .alg = "cbc(paes)",
4590 .test = alg_test_null,
4591 .fips_allowed = 1,
4592 }, {
4593 /* Same as cbc(sm4) except the key is stored in
4594 * hardware secure memory which we reference by index
4595 */
4596 .alg = "cbc(psm4)",
4597 .test = alg_test_null,
4598 }, {
4599 .alg = "cbc(serpent)",
4600 .test = alg_test_skcipher,
4601 .suite = {
4602 .cipher = __VECS(serpent_cbc_tv_template)
4603 },
4604 }, {
4605 .alg = "cbc(sm4)",
4606 .test = alg_test_skcipher,
4607 .suite = {
4608 .cipher = __VECS(sm4_cbc_tv_template)
4609 }
4610 }, {
4611 .alg = "cbc(twofish)",
4612 .test = alg_test_skcipher,
4613 .suite = {
4614 .cipher = __VECS(tf_cbc_tv_template)
4615 },
4616 }, {
4617 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4618 .alg = "cbc-paes-s390",
4619 .fips_allowed = 1,
4620 .test = alg_test_skcipher,
4621 .suite = {
4622 .cipher = __VECS(aes_cbc_tv_template)
4623 }
4624 }, {
4625 #endif
4626 .alg = "cbcmac(aes)",
4627 .test = alg_test_hash,
4628 .suite = {
4629 .hash = __VECS(aes_cbcmac_tv_template)
4630 }
4631 }, {
4632 .alg = "cbcmac(sm4)",
4633 .test = alg_test_hash,
4634 .suite = {
4635 .hash = __VECS(sm4_cbcmac_tv_template)
4636 }
4637 }, {
4638 .alg = "ccm(aes)",
4639 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4640 .test = alg_test_aead,
4641 .fips_allowed = 1,
4642 .suite = {
4643 .aead = {
4644 ____VECS(aes_ccm_tv_template),
4645 .einval_allowed = 1,
4646 }
4647 }
4648 }, {
4649 .alg = "ccm(sm4)",
4650 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4651 .test = alg_test_aead,
4652 .suite = {
4653 .aead = {
4654 ____VECS(sm4_ccm_tv_template),
4655 .einval_allowed = 1,
4656 }
4657 }
4658 }, {
4659 .alg = "chacha20",
4660 .test = alg_test_skcipher,
4661 .suite = {
4662 .cipher = __VECS(chacha20_tv_template)
4663 },
4664 }, {
4665 .alg = "cmac(aes)",
4666 .fips_allowed = 1,
4667 .test = alg_test_hash,
4668 .suite = {
4669 .hash = __VECS(aes_cmac128_tv_template)
4670 }
4671 }, {
4672 .alg = "cmac(camellia)",
4673 .test = alg_test_hash,
4674 .suite = {
4675 .hash = __VECS(camellia_cmac128_tv_template)
4676 }
4677 }, {
4678 .alg = "cmac(des3_ede)",
4679 .test = alg_test_hash,
4680 .suite = {
4681 .hash = __VECS(des3_ede_cmac64_tv_template)
4682 }
4683 }, {
4684 .alg = "cmac(sm4)",
4685 .test = alg_test_hash,
4686 .suite = {
4687 .hash = __VECS(sm4_cmac128_tv_template)
4688 }
4689 }, {
4690 .alg = "compress_null",
4691 .test = alg_test_null,
4692 }, {
4693 .alg = "crc32",
4694 .test = alg_test_hash,
4695 .fips_allowed = 1,
4696 .suite = {
4697 .hash = __VECS(crc32_tv_template)
4698 }
4699 }, {
4700 .alg = "crc32c",
4701 .test = alg_test_crc32c,
4702 .fips_allowed = 1,
4703 .suite = {
4704 .hash = __VECS(crc32c_tv_template)
4705 }
4706 }, {
4707 .alg = "crc64-rocksoft",
4708 .test = alg_test_hash,
4709 .fips_allowed = 1,
4710 .suite = {
4711 .hash = __VECS(crc64_rocksoft_tv_template)
4712 }
4713 }, {
4714 .alg = "crct10dif",
4715 .test = alg_test_hash,
4716 .fips_allowed = 1,
4717 .suite = {
4718 .hash = __VECS(crct10dif_tv_template)
4719 }
4720 }, {
4721 .alg = "ctr(aes)",
4722 .test = alg_test_skcipher,
4723 .fips_allowed = 1,
4724 .suite = {
4725 .cipher = __VECS(aes_ctr_tv_template)
4726 }
4727 }, {
4728 .alg = "ctr(aria)",
4729 .test = alg_test_skcipher,
4730 .suite = {
4731 .cipher = __VECS(aria_ctr_tv_template)
4732 }
4733 }, {
4734 .alg = "ctr(blowfish)",
4735 .test = alg_test_skcipher,
4736 .suite = {
4737 .cipher = __VECS(bf_ctr_tv_template)
4738 }
4739 }, {
4740 .alg = "ctr(camellia)",
4741 .test = alg_test_skcipher,
4742 .suite = {
4743 .cipher = __VECS(camellia_ctr_tv_template)
4744 }
4745 }, {
4746 .alg = "ctr(cast5)",
4747 .test = alg_test_skcipher,
4748 .suite = {
4749 .cipher = __VECS(cast5_ctr_tv_template)
4750 }
4751 }, {
4752 .alg = "ctr(cast6)",
4753 .test = alg_test_skcipher,
4754 .suite = {
4755 .cipher = __VECS(cast6_ctr_tv_template)
4756 }
4757 }, {
4758 .alg = "ctr(des)",
4759 .test = alg_test_skcipher,
4760 .suite = {
4761 .cipher = __VECS(des_ctr_tv_template)
4762 }
4763 }, {
4764 .alg = "ctr(des3_ede)",
4765 .test = alg_test_skcipher,
4766 .suite = {
4767 .cipher = __VECS(des3_ede_ctr_tv_template)
4768 }
4769 }, {
4770 /* Same as ctr(aes) except the key is stored in
4771 * hardware secure memory which we reference by index
4772 */
4773 .alg = "ctr(paes)",
4774 .test = alg_test_null,
4775 .fips_allowed = 1,
4776 }, {
4777
4778 /* Same as ctr(sm4) except the key is stored in
4779 * hardware secure memory which we reference by index
4780 */
4781 .alg = "ctr(psm4)",
4782 .test = alg_test_null,
4783 }, {
4784 .alg = "ctr(serpent)",
4785 .test = alg_test_skcipher,
4786 .suite = {
4787 .cipher = __VECS(serpent_ctr_tv_template)
4788 }
4789 }, {
4790 .alg = "ctr(sm4)",
4791 .test = alg_test_skcipher,
4792 .suite = {
4793 .cipher = __VECS(sm4_ctr_tv_template)
4794 }
4795 }, {
4796 .alg = "ctr(twofish)",
4797 .test = alg_test_skcipher,
4798 .suite = {
4799 .cipher = __VECS(tf_ctr_tv_template)
4800 }
4801 }, {
4802 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4803 .alg = "ctr-paes-s390",
4804 .fips_allowed = 1,
4805 .test = alg_test_skcipher,
4806 .suite = {
4807 .cipher = __VECS(aes_ctr_tv_template)
4808 }
4809 }, {
4810 #endif
4811 .alg = "cts(cbc(aes))",
4812 .test = alg_test_skcipher,
4813 .fips_allowed = 1,
4814 .suite = {
4815 .cipher = __VECS(cts_mode_tv_template)
4816 }
4817 }, {
4818 /* Same as cts(cbc((aes)) except the key is stored in
4819 * hardware secure memory which we reference by index
4820 */
4821 .alg = "cts(cbc(paes))",
4822 .test = alg_test_null,
4823 .fips_allowed = 1,
4824 }, {
4825 .alg = "cts(cbc(sm4))",
4826 .test = alg_test_skcipher,
4827 .suite = {
4828 .cipher = __VECS(sm4_cts_tv_template)
4829 }
4830 }, {
4831 .alg = "curve25519",
4832 .test = alg_test_kpp,
4833 .suite = {
4834 .kpp = __VECS(curve25519_tv_template)
4835 }
4836 }, {
4837 .alg = "deflate",
4838 .test = alg_test_comp,
4839 .fips_allowed = 1,
4840 .suite = {
4841 .comp = {
4842 .comp = __VECS(deflate_comp_tv_template),
4843 .decomp = __VECS(deflate_decomp_tv_template)
4844 }
4845 }
4846 }, {
4847 .alg = "deflate-iaa",
4848 .test = alg_test_comp,
4849 .fips_allowed = 1,
4850 .suite = {
4851 .comp = {
4852 .comp = __VECS(deflate_comp_tv_template),
4853 .decomp = __VECS(deflate_decomp_tv_template)
4854 }
4855 }
4856 }, {
4857 .alg = "dh",
4858 .test = alg_test_kpp,
4859 .suite = {
4860 .kpp = __VECS(dh_tv_template)
4861 }
4862 }, {
4863 .alg = "digest_null",
4864 .test = alg_test_null,
4865 }, {
4866 .alg = "drbg_nopr_ctr_aes128",
4867 .test = alg_test_drbg,
4868 .fips_allowed = 1,
4869 .suite = {
4870 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4871 }
4872 }, {
4873 .alg = "drbg_nopr_ctr_aes192",
4874 .test = alg_test_drbg,
4875 .fips_allowed = 1,
4876 .suite = {
4877 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4878 }
4879 }, {
4880 .alg = "drbg_nopr_ctr_aes256",
4881 .test = alg_test_drbg,
4882 .fips_allowed = 1,
4883 .suite = {
4884 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4885 }
4886 }, {
4887 .alg = "drbg_nopr_hmac_sha256",
4888 .test = alg_test_drbg,
4889 .fips_allowed = 1,
4890 .suite = {
4891 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4892 }
4893 }, {
4894 /*
4895 * There is no need to specifically test the DRBG with every
4896 * backend cipher -- covered by drbg_nopr_hmac_sha512 test
4897 */
4898 .alg = "drbg_nopr_hmac_sha384",
4899 .test = alg_test_null,
4900 }, {
4901 .alg = "drbg_nopr_hmac_sha512",
4902 .test = alg_test_drbg,
4903 .fips_allowed = 1,
4904 .suite = {
4905 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4906 }
4907 }, {
4908 .alg = "drbg_nopr_sha256",
4909 .test = alg_test_drbg,
4910 .fips_allowed = 1,
4911 .suite = {
4912 .drbg = __VECS(drbg_nopr_sha256_tv_template)
4913 }
4914 }, {
4915 /* covered by drbg_nopr_sha256 test */
4916 .alg = "drbg_nopr_sha384",
4917 .test = alg_test_null,
4918 }, {
4919 .alg = "drbg_nopr_sha512",
4920 .fips_allowed = 1,
4921 .test = alg_test_null,
4922 }, {
4923 .alg = "drbg_pr_ctr_aes128",
4924 .test = alg_test_drbg,
4925 .fips_allowed = 1,
4926 .suite = {
4927 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4928 }
4929 }, {
4930 /* covered by drbg_pr_ctr_aes128 test */
4931 .alg = "drbg_pr_ctr_aes192",
4932 .fips_allowed = 1,
4933 .test = alg_test_null,
4934 }, {
4935 .alg = "drbg_pr_ctr_aes256",
4936 .fips_allowed = 1,
4937 .test = alg_test_null,
4938 }, {
4939 .alg = "drbg_pr_hmac_sha256",
4940 .test = alg_test_drbg,
4941 .fips_allowed = 1,
4942 .suite = {
4943 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4944 }
4945 }, {
4946 /* covered by drbg_pr_hmac_sha256 test */
4947 .alg = "drbg_pr_hmac_sha384",
4948 .test = alg_test_null,
4949 }, {
4950 .alg = "drbg_pr_hmac_sha512",
4951 .test = alg_test_null,
4952 .fips_allowed = 1,
4953 }, {
4954 .alg = "drbg_pr_sha256",
4955 .test = alg_test_drbg,
4956 .fips_allowed = 1,
4957 .suite = {
4958 .drbg = __VECS(drbg_pr_sha256_tv_template)
4959 }
4960 }, {
4961 /* covered by drbg_pr_sha256 test */
4962 .alg = "drbg_pr_sha384",
4963 .test = alg_test_null,
4964 }, {
4965 .alg = "drbg_pr_sha512",
4966 .fips_allowed = 1,
4967 .test = alg_test_null,
4968 }, {
4969 .alg = "ecb(aes)",
4970 .test = alg_test_skcipher,
4971 .fips_allowed = 1,
4972 .suite = {
4973 .cipher = __VECS(aes_tv_template)
4974 }
4975 }, {
4976 .alg = "ecb(anubis)",
4977 .test = alg_test_skcipher,
4978 .suite = {
4979 .cipher = __VECS(anubis_tv_template)
4980 }
4981 }, {
4982 .alg = "ecb(arc4)",
4983 .generic_driver = "arc4-generic",
4984 .test = alg_test_skcipher,
4985 .suite = {
4986 .cipher = __VECS(arc4_tv_template)
4987 }
4988 }, {
4989 .alg = "ecb(aria)",
4990 .test = alg_test_skcipher,
4991 .suite = {
4992 .cipher = __VECS(aria_tv_template)
4993 }
4994 }, {
4995 .alg = "ecb(blowfish)",
4996 .test = alg_test_skcipher,
4997 .suite = {
4998 .cipher = __VECS(bf_tv_template)
4999 }
5000 }, {
5001 .alg = "ecb(camellia)",
5002 .test = alg_test_skcipher,
5003 .suite = {
5004 .cipher = __VECS(camellia_tv_template)
5005 }
5006 }, {
5007 .alg = "ecb(cast5)",
5008 .test = alg_test_skcipher,
5009 .suite = {
5010 .cipher = __VECS(cast5_tv_template)
5011 }
5012 }, {
5013 .alg = "ecb(cast6)",
5014 .test = alg_test_skcipher,
5015 .suite = {
5016 .cipher = __VECS(cast6_tv_template)
5017 }
5018 }, {
5019 .alg = "ecb(cipher_null)",
5020 .test = alg_test_null,
5021 .fips_allowed = 1,
5022 }, {
5023 .alg = "ecb(des)",
5024 .test = alg_test_skcipher,
5025 .suite = {
5026 .cipher = __VECS(des_tv_template)
5027 }
5028 }, {
5029 .alg = "ecb(des3_ede)",
5030 .test = alg_test_skcipher,
5031 .suite = {
5032 .cipher = __VECS(des3_ede_tv_template)
5033 }
5034 }, {
5035 .alg = "ecb(fcrypt)",
5036 .test = alg_test_skcipher,
5037 .suite = {
5038 .cipher = {
5039 .vecs = fcrypt_pcbc_tv_template,
5040 .count = 1
5041 }
5042 }
5043 }, {
5044 .alg = "ecb(khazad)",
5045 .test = alg_test_skcipher,
5046 .suite = {
5047 .cipher = __VECS(khazad_tv_template)
5048 }
5049 }, {
5050 /* Same as ecb(aes) except the key is stored in
5051 * hardware secure memory which we reference by index
5052 */
5053 .alg = "ecb(paes)",
5054 .test = alg_test_null,
5055 .fips_allowed = 1,
5056 }, {
5057 .alg = "ecb(seed)",
5058 .test = alg_test_skcipher,
5059 .suite = {
5060 .cipher = __VECS(seed_tv_template)
5061 }
5062 }, {
5063 .alg = "ecb(serpent)",
5064 .test = alg_test_skcipher,
5065 .suite = {
5066 .cipher = __VECS(serpent_tv_template)
5067 }
5068 }, {
5069 .alg = "ecb(sm4)",
5070 .test = alg_test_skcipher,
5071 .suite = {
5072 .cipher = __VECS(sm4_tv_template)
5073 }
5074 }, {
5075 .alg = "ecb(tea)",
5076 .test = alg_test_skcipher,
5077 .suite = {
5078 .cipher = __VECS(tea_tv_template)
5079 }
5080 }, {
5081 .alg = "ecb(twofish)",
5082 .test = alg_test_skcipher,
5083 .suite = {
5084 .cipher = __VECS(tf_tv_template)
5085 }
5086 }, {
5087 .alg = "ecb(xeta)",
5088 .test = alg_test_skcipher,
5089 .suite = {
5090 .cipher = __VECS(xeta_tv_template)
5091 }
5092 }, {
5093 .alg = "ecb(xtea)",
5094 .test = alg_test_skcipher,
5095 .suite = {
5096 .cipher = __VECS(xtea_tv_template)
5097 }
5098 }, {
5099 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5100 .alg = "ecb-paes-s390",
5101 .fips_allowed = 1,
5102 .test = alg_test_skcipher,
5103 .suite = {
5104 .cipher = __VECS(aes_tv_template)
5105 }
5106 }, {
5107 #endif
5108 .alg = "ecdh-nist-p192",
5109 .test = alg_test_kpp,
5110 .suite = {
5111 .kpp = __VECS(ecdh_p192_tv_template)
5112 }
5113 }, {
5114 .alg = "ecdh-nist-p256",
5115 .test = alg_test_kpp,
5116 .fips_allowed = 1,
5117 .suite = {
5118 .kpp = __VECS(ecdh_p256_tv_template)
5119 }
5120 }, {
5121 .alg = "ecdh-nist-p384",
5122 .test = alg_test_kpp,
5123 .fips_allowed = 1,
5124 .suite = {
5125 .kpp = __VECS(ecdh_p384_tv_template)
5126 }
5127 }, {
5128 .alg = "ecdsa-nist-p192",
5129 .test = alg_test_akcipher,
5130 .suite = {
5131 .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5132 }
5133 }, {
5134 .alg = "ecdsa-nist-p256",
5135 .test = alg_test_akcipher,
5136 .fips_allowed = 1,
5137 .suite = {
5138 .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5139 }
5140 }, {
5141 .alg = "ecdsa-nist-p384",
5142 .test = alg_test_akcipher,
5143 .fips_allowed = 1,
5144 .suite = {
5145 .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5146 }
5147 }, {
5148 .alg = "ecdsa-nist-p521",
5149 .test = alg_test_akcipher,
5150 .fips_allowed = 1,
5151 .suite = {
5152 .akcipher = __VECS(ecdsa_nist_p521_tv_template)
5153 }
5154 }, {
5155 .alg = "ecrdsa",
5156 .test = alg_test_akcipher,
5157 .suite = {
5158 .akcipher = __VECS(ecrdsa_tv_template)
5159 }
5160 }, {
5161 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5162 .test = alg_test_aead,
5163 .fips_allowed = 1,
5164 .suite = {
5165 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5166 }
5167 }, {
5168 .alg = "essiv(cbc(aes),sha256)",
5169 .test = alg_test_skcipher,
5170 .fips_allowed = 1,
5171 .suite = {
5172 .cipher = __VECS(essiv_aes_cbc_tv_template)
5173 }
5174 }, {
5175 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5176 .alg = "ffdhe2048(dh)",
5177 .test = alg_test_kpp,
5178 .fips_allowed = 1,
5179 .suite = {
5180 .kpp = __VECS(ffdhe2048_dh_tv_template)
5181 }
5182 }, {
5183 .alg = "ffdhe3072(dh)",
5184 .test = alg_test_kpp,
5185 .fips_allowed = 1,
5186 .suite = {
5187 .kpp = __VECS(ffdhe3072_dh_tv_template)
5188 }
5189 }, {
5190 .alg = "ffdhe4096(dh)",
5191 .test = alg_test_kpp,
5192 .fips_allowed = 1,
5193 .suite = {
5194 .kpp = __VECS(ffdhe4096_dh_tv_template)
5195 }
5196 }, {
5197 .alg = "ffdhe6144(dh)",
5198 .test = alg_test_kpp,
5199 .fips_allowed = 1,
5200 .suite = {
5201 .kpp = __VECS(ffdhe6144_dh_tv_template)
5202 }
5203 }, {
5204 .alg = "ffdhe8192(dh)",
5205 .test = alg_test_kpp,
5206 .fips_allowed = 1,
5207 .suite = {
5208 .kpp = __VECS(ffdhe8192_dh_tv_template)
5209 }
5210 }, {
5211 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5212 .alg = "gcm(aes)",
5213 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5214 .test = alg_test_aead,
5215 .fips_allowed = 1,
5216 .suite = {
5217 .aead = __VECS(aes_gcm_tv_template)
5218 }
5219 }, {
5220 .alg = "gcm(aria)",
5221 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5222 .test = alg_test_aead,
5223 .suite = {
5224 .aead = __VECS(aria_gcm_tv_template)
5225 }
5226 }, {
5227 .alg = "gcm(sm4)",
5228 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5229 .test = alg_test_aead,
5230 .suite = {
5231 .aead = __VECS(sm4_gcm_tv_template)
5232 }
5233 }, {
5234 .alg = "ghash",
5235 .test = alg_test_hash,
5236 .suite = {
5237 .hash = __VECS(ghash_tv_template)
5238 }
5239 }, {
5240 .alg = "hctr2(aes)",
5241 .generic_driver =
5242 "hctr2_base(xctr(aes-generic),polyval-generic)",
5243 .test = alg_test_skcipher,
5244 .suite = {
5245 .cipher = __VECS(aes_hctr2_tv_template)
5246 }
5247 }, {
5248 .alg = "hmac(md5)",
5249 .test = alg_test_hash,
5250 .suite = {
5251 .hash = __VECS(hmac_md5_tv_template)
5252 }
5253 }, {
5254 .alg = "hmac(rmd160)",
5255 .test = alg_test_hash,
5256 .suite = {
5257 .hash = __VECS(hmac_rmd160_tv_template)
5258 }
5259 }, {
5260 .alg = "hmac(sha1)",
5261 .test = alg_test_hash,
5262 .fips_allowed = 1,
5263 .suite = {
5264 .hash = __VECS(hmac_sha1_tv_template)
5265 }
5266 }, {
5267 .alg = "hmac(sha224)",
5268 .test = alg_test_hash,
5269 .fips_allowed = 1,
5270 .suite = {
5271 .hash = __VECS(hmac_sha224_tv_template)
5272 }
5273 }, {
5274 .alg = "hmac(sha256)",
5275 .test = alg_test_hash,
5276 .fips_allowed = 1,
5277 .suite = {
5278 .hash = __VECS(hmac_sha256_tv_template)
5279 }
5280 }, {
5281 .alg = "hmac(sha3-224)",
5282 .test = alg_test_hash,
5283 .fips_allowed = 1,
5284 .suite = {
5285 .hash = __VECS(hmac_sha3_224_tv_template)
5286 }
5287 }, {
5288 .alg = "hmac(sha3-256)",
5289 .test = alg_test_hash,
5290 .fips_allowed = 1,
5291 .suite = {
5292 .hash = __VECS(hmac_sha3_256_tv_template)
5293 }
5294 }, {
5295 .alg = "hmac(sha3-384)",
5296 .test = alg_test_hash,
5297 .fips_allowed = 1,
5298 .suite = {
5299 .hash = __VECS(hmac_sha3_384_tv_template)
5300 }
5301 }, {
5302 .alg = "hmac(sha3-512)",
5303 .test = alg_test_hash,
5304 .fips_allowed = 1,
5305 .suite = {
5306 .hash = __VECS(hmac_sha3_512_tv_template)
5307 }
5308 }, {
5309 .alg = "hmac(sha384)",
5310 .test = alg_test_hash,
5311 .fips_allowed = 1,
5312 .suite = {
5313 .hash = __VECS(hmac_sha384_tv_template)
5314 }
5315 }, {
5316 .alg = "hmac(sha512)",
5317 .test = alg_test_hash,
5318 .fips_allowed = 1,
5319 .suite = {
5320 .hash = __VECS(hmac_sha512_tv_template)
5321 }
5322 }, {
5323 .alg = "hmac(sm3)",
5324 .test = alg_test_hash,
5325 .suite = {
5326 .hash = __VECS(hmac_sm3_tv_template)
5327 }
5328 }, {
5329 .alg = "hmac(streebog256)",
5330 .test = alg_test_hash,
5331 .suite = {
5332 .hash = __VECS(hmac_streebog256_tv_template)
5333 }
5334 }, {
5335 .alg = "hmac(streebog512)",
5336 .test = alg_test_hash,
5337 .suite = {
5338 .hash = __VECS(hmac_streebog512_tv_template)
5339 }
5340 }, {
5341 .alg = "jitterentropy_rng",
5342 .fips_allowed = 1,
5343 .test = alg_test_null,
5344 }, {
5345 .alg = "kw(aes)",
5346 .test = alg_test_skcipher,
5347 .fips_allowed = 1,
5348 .suite = {
5349 .cipher = __VECS(aes_kw_tv_template)
5350 }
5351 }, {
5352 .alg = "lrw(aes)",
5353 .generic_driver = "lrw(ecb(aes-generic))",
5354 .test = alg_test_skcipher,
5355 .suite = {
5356 .cipher = __VECS(aes_lrw_tv_template)
5357 }
5358 }, {
5359 .alg = "lrw(camellia)",
5360 .generic_driver = "lrw(ecb(camellia-generic))",
5361 .test = alg_test_skcipher,
5362 .suite = {
5363 .cipher = __VECS(camellia_lrw_tv_template)
5364 }
5365 }, {
5366 .alg = "lrw(cast6)",
5367 .generic_driver = "lrw(ecb(cast6-generic))",
5368 .test = alg_test_skcipher,
5369 .suite = {
5370 .cipher = __VECS(cast6_lrw_tv_template)
5371 }
5372 }, {
5373 .alg = "lrw(serpent)",
5374 .generic_driver = "lrw(ecb(serpent-generic))",
5375 .test = alg_test_skcipher,
5376 .suite = {
5377 .cipher = __VECS(serpent_lrw_tv_template)
5378 }
5379 }, {
5380 .alg = "lrw(twofish)",
5381 .generic_driver = "lrw(ecb(twofish-generic))",
5382 .test = alg_test_skcipher,
5383 .suite = {
5384 .cipher = __VECS(tf_lrw_tv_template)
5385 }
5386 }, {
5387 .alg = "lz4",
5388 .test = alg_test_comp,
5389 .fips_allowed = 1,
5390 .suite = {
5391 .comp = {
5392 .comp = __VECS(lz4_comp_tv_template),
5393 .decomp = __VECS(lz4_decomp_tv_template)
5394 }
5395 }
5396 }, {
5397 .alg = "lz4hc",
5398 .test = alg_test_comp,
5399 .fips_allowed = 1,
5400 .suite = {
5401 .comp = {
5402 .comp = __VECS(lz4hc_comp_tv_template),
5403 .decomp = __VECS(lz4hc_decomp_tv_template)
5404 }
5405 }
5406 }, {
5407 .alg = "lzo",
5408 .test = alg_test_comp,
5409 .fips_allowed = 1,
5410 .suite = {
5411 .comp = {
5412 .comp = __VECS(lzo_comp_tv_template),
5413 .decomp = __VECS(lzo_decomp_tv_template)
5414 }
5415 }
5416 }, {
5417 .alg = "lzo-rle",
5418 .test = alg_test_comp,
5419 .fips_allowed = 1,
5420 .suite = {
5421 .comp = {
5422 .comp = __VECS(lzorle_comp_tv_template),
5423 .decomp = __VECS(lzorle_decomp_tv_template)
5424 }
5425 }
5426 }, {
5427 .alg = "md4",
5428 .test = alg_test_hash,
5429 .suite = {
5430 .hash = __VECS(md4_tv_template)
5431 }
5432 }, {
5433 .alg = "md5",
5434 .test = alg_test_hash,
5435 .suite = {
5436 .hash = __VECS(md5_tv_template)
5437 }
5438 }, {
5439 .alg = "michael_mic",
5440 .test = alg_test_hash,
5441 .suite = {
5442 .hash = __VECS(michael_mic_tv_template)
5443 }
5444 }, {
5445 .alg = "nhpoly1305",
5446 .test = alg_test_hash,
5447 .suite = {
5448 .hash = __VECS(nhpoly1305_tv_template)
5449 }
5450 }, {
5451 .alg = "pcbc(fcrypt)",
5452 .test = alg_test_skcipher,
5453 .suite = {
5454 .cipher = __VECS(fcrypt_pcbc_tv_template)
5455 }
5456 }, {
5457 .alg = "pkcs1pad(rsa,sha224)",
5458 .test = alg_test_null,
5459 .fips_allowed = 1,
5460 }, {
5461 .alg = "pkcs1pad(rsa,sha256)",
5462 .test = alg_test_akcipher,
5463 .fips_allowed = 1,
5464 .suite = {
5465 .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5466 }
5467 }, {
5468 .alg = "pkcs1pad(rsa,sha3-256)",
5469 .test = alg_test_null,
5470 .fips_allowed = 1,
5471 }, {
5472 .alg = "pkcs1pad(rsa,sha3-384)",
5473 .test = alg_test_null,
5474 .fips_allowed = 1,
5475 }, {
5476 .alg = "pkcs1pad(rsa,sha3-512)",
5477 .test = alg_test_null,
5478 .fips_allowed = 1,
5479 }, {
5480 .alg = "pkcs1pad(rsa,sha384)",
5481 .test = alg_test_null,
5482 .fips_allowed = 1,
5483 }, {
5484 .alg = "pkcs1pad(rsa,sha512)",
5485 .test = alg_test_null,
5486 .fips_allowed = 1,
5487 }, {
5488 .alg = "poly1305",
5489 .test = alg_test_hash,
5490 .suite = {
5491 .hash = __VECS(poly1305_tv_template)
5492 }
5493 }, {
5494 .alg = "polyval",
5495 .test = alg_test_hash,
5496 .suite = {
5497 .hash = __VECS(polyval_tv_template)
5498 }
5499 }, {
5500 .alg = "rfc3686(ctr(aes))",
5501 .test = alg_test_skcipher,
5502 .fips_allowed = 1,
5503 .suite = {
5504 .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5505 }
5506 }, {
5507 .alg = "rfc3686(ctr(sm4))",
5508 .test = alg_test_skcipher,
5509 .suite = {
5510 .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5511 }
5512 }, {
5513 .alg = "rfc4106(gcm(aes))",
5514 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5515 .test = alg_test_aead,
5516 .fips_allowed = 1,
5517 .suite = {
5518 .aead = {
5519 ____VECS(aes_gcm_rfc4106_tv_template),
5520 .einval_allowed = 1,
5521 .aad_iv = 1,
5522 }
5523 }
5524 }, {
5525 .alg = "rfc4309(ccm(aes))",
5526 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5527 .test = alg_test_aead,
5528 .fips_allowed = 1,
5529 .suite = {
5530 .aead = {
5531 ____VECS(aes_ccm_rfc4309_tv_template),
5532 .einval_allowed = 1,
5533 .aad_iv = 1,
5534 }
5535 }
5536 }, {
5537 .alg = "rfc4543(gcm(aes))",
5538 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5539 .test = alg_test_aead,
5540 .suite = {
5541 .aead = {
5542 ____VECS(aes_gcm_rfc4543_tv_template),
5543 .einval_allowed = 1,
5544 .aad_iv = 1,
5545 }
5546 }
5547 }, {
5548 .alg = "rfc7539(chacha20,poly1305)",
5549 .test = alg_test_aead,
5550 .suite = {
5551 .aead = __VECS(rfc7539_tv_template)
5552 }
5553 }, {
5554 .alg = "rfc7539esp(chacha20,poly1305)",
5555 .test = alg_test_aead,
5556 .suite = {
5557 .aead = {
5558 ____VECS(rfc7539esp_tv_template),
5559 .einval_allowed = 1,
5560 .aad_iv = 1,
5561 }
5562 }
5563 }, {
5564 .alg = "rmd160",
5565 .test = alg_test_hash,
5566 .suite = {
5567 .hash = __VECS(rmd160_tv_template)
5568 }
5569 }, {
5570 .alg = "rsa",
5571 .test = alg_test_akcipher,
5572 .fips_allowed = 1,
5573 .suite = {
5574 .akcipher = __VECS(rsa_tv_template)
5575 }
5576 }, {
5577 .alg = "sha1",
5578 .test = alg_test_hash,
5579 .fips_allowed = 1,
5580 .suite = {
5581 .hash = __VECS(sha1_tv_template)
5582 }
5583 }, {
5584 .alg = "sha224",
5585 .test = alg_test_hash,
5586 .fips_allowed = 1,
5587 .suite = {
5588 .hash = __VECS(sha224_tv_template)
5589 }
5590 }, {
5591 .alg = "sha256",
5592 .test = alg_test_hash,
5593 .fips_allowed = 1,
5594 .suite = {
5595 .hash = __VECS(sha256_tv_template)
5596 }
5597 }, {
5598 .alg = "sha3-224",
5599 .test = alg_test_hash,
5600 .fips_allowed = 1,
5601 .suite = {
5602 .hash = __VECS(sha3_224_tv_template)
5603 }
5604 }, {
5605 .alg = "sha3-256",
5606 .test = alg_test_hash,
5607 .fips_allowed = 1,
5608 .suite = {
5609 .hash = __VECS(sha3_256_tv_template)
5610 }
5611 }, {
5612 .alg = "sha3-384",
5613 .test = alg_test_hash,
5614 .fips_allowed = 1,
5615 .suite = {
5616 .hash = __VECS(sha3_384_tv_template)
5617 }
5618 }, {
5619 .alg = "sha3-512",
5620 .test = alg_test_hash,
5621 .fips_allowed = 1,
5622 .suite = {
5623 .hash = __VECS(sha3_512_tv_template)
5624 }
5625 }, {
5626 .alg = "sha384",
5627 .test = alg_test_hash,
5628 .fips_allowed = 1,
5629 .suite = {
5630 .hash = __VECS(sha384_tv_template)
5631 }
5632 }, {
5633 .alg = "sha512",
5634 .test = alg_test_hash,
5635 .fips_allowed = 1,
5636 .suite = {
5637 .hash = __VECS(sha512_tv_template)
5638 }
5639 }, {
5640 .alg = "sm3",
5641 .test = alg_test_hash,
5642 .suite = {
5643 .hash = __VECS(sm3_tv_template)
5644 }
5645 }, {
5646 .alg = "streebog256",
5647 .test = alg_test_hash,
5648 .suite = {
5649 .hash = __VECS(streebog256_tv_template)
5650 }
5651 }, {
5652 .alg = "streebog512",
5653 .test = alg_test_hash,
5654 .suite = {
5655 .hash = __VECS(streebog512_tv_template)
5656 }
5657 }, {
5658 .alg = "vmac64(aes)",
5659 .test = alg_test_hash,
5660 .suite = {
5661 .hash = __VECS(vmac64_aes_tv_template)
5662 }
5663 }, {
5664 .alg = "wp256",
5665 .test = alg_test_hash,
5666 .suite = {
5667 .hash = __VECS(wp256_tv_template)
5668 }
5669 }, {
5670 .alg = "wp384",
5671 .test = alg_test_hash,
5672 .suite = {
5673 .hash = __VECS(wp384_tv_template)
5674 }
5675 }, {
5676 .alg = "wp512",
5677 .test = alg_test_hash,
5678 .suite = {
5679 .hash = __VECS(wp512_tv_template)
5680 }
5681 }, {
5682 .alg = "xcbc(aes)",
5683 .test = alg_test_hash,
5684 .suite = {
5685 .hash = __VECS(aes_xcbc128_tv_template)
5686 }
5687 }, {
5688 .alg = "xcbc(sm4)",
5689 .test = alg_test_hash,
5690 .suite = {
5691 .hash = __VECS(sm4_xcbc128_tv_template)
5692 }
5693 }, {
5694 .alg = "xchacha12",
5695 .test = alg_test_skcipher,
5696 .suite = {
5697 .cipher = __VECS(xchacha12_tv_template)
5698 },
5699 }, {
5700 .alg = "xchacha20",
5701 .test = alg_test_skcipher,
5702 .suite = {
5703 .cipher = __VECS(xchacha20_tv_template)
5704 },
5705 }, {
5706 .alg = "xctr(aes)",
5707 .test = alg_test_skcipher,
5708 .suite = {
5709 .cipher = __VECS(aes_xctr_tv_template)
5710 }
5711 }, {
5712 .alg = "xts(aes)",
5713 .generic_driver = "xts(ecb(aes-generic))",
5714 .test = alg_test_skcipher,
5715 .fips_allowed = 1,
5716 .suite = {
5717 .cipher = __VECS(aes_xts_tv_template)
5718 }
5719 }, {
5720 .alg = "xts(camellia)",
5721 .generic_driver = "xts(ecb(camellia-generic))",
5722 .test = alg_test_skcipher,
5723 .suite = {
5724 .cipher = __VECS(camellia_xts_tv_template)
5725 }
5726 }, {
5727 .alg = "xts(cast6)",
5728 .generic_driver = "xts(ecb(cast6-generic))",
5729 .test = alg_test_skcipher,
5730 .suite = {
5731 .cipher = __VECS(cast6_xts_tv_template)
5732 }
5733 }, {
5734 /* Same as xts(aes) except the key is stored in
5735 * hardware secure memory which we reference by index
5736 */
5737 .alg = "xts(paes)",
5738 .test = alg_test_null,
5739 .fips_allowed = 1,
5740 }, {
5741 .alg = "xts(serpent)",
5742 .generic_driver = "xts(ecb(serpent-generic))",
5743 .test = alg_test_skcipher,
5744 .suite = {
5745 .cipher = __VECS(serpent_xts_tv_template)
5746 }
5747 }, {
5748 .alg = "xts(sm4)",
5749 .generic_driver = "xts(ecb(sm4-generic))",
5750 .test = alg_test_skcipher,
5751 .suite = {
5752 .cipher = __VECS(sm4_xts_tv_template)
5753 }
5754 }, {
5755 .alg = "xts(twofish)",
5756 .generic_driver = "xts(ecb(twofish-generic))",
5757 .test = alg_test_skcipher,
5758 .suite = {
5759 .cipher = __VECS(tf_xts_tv_template)
5760 }
5761 }, {
5762 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5763 .alg = "xts-paes-s390",
5764 .fips_allowed = 1,
5765 .test = alg_test_skcipher,
5766 .suite = {
5767 .cipher = __VECS(aes_xts_tv_template)
5768 }
5769 }, {
5770 #endif
5771 .alg = "xxhash64",
5772 .test = alg_test_hash,
5773 .fips_allowed = 1,
5774 .suite = {
5775 .hash = __VECS(xxhash64_tv_template)
5776 }
5777 }, {
5778 .alg = "zstd",
5779 .test = alg_test_comp,
5780 .fips_allowed = 1,
5781 .suite = {
5782 .comp = {
5783 .comp = __VECS(zstd_comp_tv_template),
5784 .decomp = __VECS(zstd_decomp_tv_template)
5785 }
5786 }
5787 }
5788 };
5789
alg_check_test_descs_order(void)5790 static void alg_check_test_descs_order(void)
5791 {
5792 int i;
5793
5794 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5795 int diff = strcmp(alg_test_descs[i - 1].alg,
5796 alg_test_descs[i].alg);
5797
5798 if (WARN_ON(diff > 0)) {
5799 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5800 alg_test_descs[i - 1].alg,
5801 alg_test_descs[i].alg);
5802 }
5803
5804 if (WARN_ON(diff == 0)) {
5805 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5806 alg_test_descs[i].alg);
5807 }
5808 }
5809 }
5810
alg_check_testvec_configs(void)5811 static void alg_check_testvec_configs(void)
5812 {
5813 int i;
5814
5815 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5816 WARN_ON(!valid_testvec_config(
5817 &default_cipher_testvec_configs[i]));
5818
5819 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5820 WARN_ON(!valid_testvec_config(
5821 &default_hash_testvec_configs[i]));
5822 }
5823
testmgr_onetime_init(void)5824 static void testmgr_onetime_init(void)
5825 {
5826 alg_check_test_descs_order();
5827 alg_check_testvec_configs();
5828
5829 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5830 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n");
5831 #endif
5832 }
5833
alg_find_test(const char * alg)5834 static int alg_find_test(const char *alg)
5835 {
5836 int start = 0;
5837 int end = ARRAY_SIZE(alg_test_descs);
5838
5839 while (start < end) {
5840 int i = (start + end) / 2;
5841 int diff = strcmp(alg_test_descs[i].alg, alg);
5842
5843 if (diff > 0) {
5844 end = i;
5845 continue;
5846 }
5847
5848 if (diff < 0) {
5849 start = i + 1;
5850 continue;
5851 }
5852
5853 return i;
5854 }
5855
5856 return -1;
5857 }
5858
alg_fips_disabled(const char * driver,const char * alg)5859 static int alg_fips_disabled(const char *driver, const char *alg)
5860 {
5861 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5862
5863 return -ECANCELED;
5864 }
5865
alg_test(const char * driver,const char * alg,u32 type,u32 mask)5866 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5867 {
5868 int i;
5869 int j;
5870 int rc;
5871
5872 if (!fips_enabled && notests) {
5873 printk_once(KERN_INFO "alg: self-tests disabled\n");
5874 return 0;
5875 }
5876
5877 DO_ONCE(testmgr_onetime_init);
5878
5879 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5880 char nalg[CRYPTO_MAX_ALG_NAME];
5881
5882 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5883 sizeof(nalg))
5884 return -ENAMETOOLONG;
5885
5886 i = alg_find_test(nalg);
5887 if (i < 0)
5888 goto notest;
5889
5890 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5891 goto non_fips_alg;
5892
5893 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5894 goto test_done;
5895 }
5896
5897 i = alg_find_test(alg);
5898 j = alg_find_test(driver);
5899 if (i < 0 && j < 0)
5900 goto notest;
5901
5902 if (fips_enabled) {
5903 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5904 return -EINVAL;
5905
5906 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5907 goto non_fips_alg;
5908 }
5909
5910 rc = 0;
5911 if (i >= 0)
5912 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5913 type, mask);
5914 if (j >= 0 && j != i)
5915 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5916 type, mask);
5917
5918 test_done:
5919 if (rc) {
5920 if (fips_enabled || panic_on_fail) {
5921 fips_fail_notify();
5922 panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5923 driver, alg,
5924 fips_enabled ? "fips" : "panic_on_fail");
5925 }
5926 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5927 alg, driver, rc);
5928 WARN(rc != -ENOENT,
5929 "alg: self-tests for %s using %s failed (rc=%d)",
5930 alg, driver, rc);
5931 } else {
5932 if (fips_enabled)
5933 pr_info("alg: self-tests for %s (%s) passed\n",
5934 driver, alg);
5935 }
5936
5937 return rc;
5938
5939 notest:
5940 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) {
5941 char nalg[CRYPTO_MAX_ALG_NAME];
5942
5943 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5944 sizeof(nalg))
5945 goto notest2;
5946
5947 i = alg_find_test(nalg);
5948 if (i < 0)
5949 goto notest2;
5950
5951 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5952 goto non_fips_alg;
5953
5954 rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask);
5955 goto test_done;
5956 }
5957
5958 notest2:
5959 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5960
5961 if (type & CRYPTO_ALG_FIPS_INTERNAL)
5962 return alg_fips_disabled(driver, alg);
5963
5964 return 0;
5965 non_fips_alg:
5966 return alg_fips_disabled(driver, alg);
5967 }
5968
5969 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5970
5971 EXPORT_SYMBOL_GPL(alg_test);
5972