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 */
297 struct testvec_config {
298 const char *name;
299 enum inplace_mode inplace_mode;
300 u32 req_flags;
301 struct test_sg_division src_divs[XBUFSIZE];
302 struct test_sg_division dst_divs[XBUFSIZE];
303 unsigned int iv_offset;
304 unsigned int key_offset;
305 bool iv_offset_relative_to_alignmask;
306 bool key_offset_relative_to_alignmask;
307 enum finalization_type finalization_type;
308 bool nosimd;
309 };
310
311 #define TESTVEC_CONFIG_NAMELEN 192
312
313 /*
314 * The following are the lists of testvec_configs to test for each algorithm
315 * type when the basic crypto self-tests are enabled, i.e. when
316 * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test
317 * coverage, while keeping the test time much shorter than the full fuzz tests
318 * so that the basic tests can be enabled in a wider range of circumstances.
319 */
320
321 /* Configs for skciphers and aeads */
322 static const struct testvec_config default_cipher_testvec_configs[] = {
323 {
324 .name = "in-place (one sglist)",
325 .inplace_mode = INPLACE_ONE_SGLIST,
326 .src_divs = { { .proportion_of_total = 10000 } },
327 }, {
328 .name = "in-place (two sglists)",
329 .inplace_mode = INPLACE_TWO_SGLISTS,
330 .src_divs = { { .proportion_of_total = 10000 } },
331 }, {
332 .name = "out-of-place",
333 .inplace_mode = OUT_OF_PLACE,
334 .src_divs = { { .proportion_of_total = 10000 } },
335 }, {
336 .name = "unaligned buffer, offset=1",
337 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
338 .iv_offset = 1,
339 .key_offset = 1,
340 }, {
341 .name = "buffer aligned only to alignmask",
342 .src_divs = {
343 {
344 .proportion_of_total = 10000,
345 .offset = 1,
346 .offset_relative_to_alignmask = true,
347 },
348 },
349 .iv_offset = 1,
350 .iv_offset_relative_to_alignmask = true,
351 .key_offset = 1,
352 .key_offset_relative_to_alignmask = true,
353 }, {
354 .name = "two even aligned splits",
355 .src_divs = {
356 { .proportion_of_total = 5000 },
357 { .proportion_of_total = 5000 },
358 },
359 }, {
360 .name = "uneven misaligned splits, may sleep",
361 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
362 .src_divs = {
363 { .proportion_of_total = 1900, .offset = 33 },
364 { .proportion_of_total = 3300, .offset = 7 },
365 { .proportion_of_total = 4800, .offset = 18 },
366 },
367 .iv_offset = 3,
368 .key_offset = 3,
369 }, {
370 .name = "misaligned splits crossing pages, inplace",
371 .inplace_mode = INPLACE_ONE_SGLIST,
372 .src_divs = {
373 {
374 .proportion_of_total = 7500,
375 .offset = PAGE_SIZE - 32
376 }, {
377 .proportion_of_total = 2500,
378 .offset = PAGE_SIZE - 7
379 },
380 },
381 }
382 };
383
384 static const struct testvec_config default_hash_testvec_configs[] = {
385 {
386 .name = "init+update+final aligned buffer",
387 .src_divs = { { .proportion_of_total = 10000 } },
388 .finalization_type = FINALIZATION_TYPE_FINAL,
389 }, {
390 .name = "init+finup aligned buffer",
391 .src_divs = { { .proportion_of_total = 10000 } },
392 .finalization_type = FINALIZATION_TYPE_FINUP,
393 }, {
394 .name = "digest aligned buffer",
395 .src_divs = { { .proportion_of_total = 10000 } },
396 .finalization_type = FINALIZATION_TYPE_DIGEST,
397 }, {
398 .name = "init+update+final misaligned buffer",
399 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
400 .finalization_type = FINALIZATION_TYPE_FINAL,
401 .key_offset = 1,
402 }, {
403 .name = "digest buffer aligned only to alignmask",
404 .src_divs = {
405 {
406 .proportion_of_total = 10000,
407 .offset = 1,
408 .offset_relative_to_alignmask = true,
409 },
410 },
411 .finalization_type = FINALIZATION_TYPE_DIGEST,
412 .key_offset = 1,
413 .key_offset_relative_to_alignmask = true,
414 }, {
415 .name = "init+update+update+final two even splits",
416 .src_divs = {
417 { .proportion_of_total = 5000 },
418 {
419 .proportion_of_total = 5000,
420 .flush_type = FLUSH_TYPE_FLUSH,
421 },
422 },
423 .finalization_type = FINALIZATION_TYPE_FINAL,
424 }, {
425 .name = "digest uneven misaligned splits, may sleep",
426 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
427 .src_divs = {
428 { .proportion_of_total = 1900, .offset = 33 },
429 { .proportion_of_total = 3300, .offset = 7 },
430 { .proportion_of_total = 4800, .offset = 18 },
431 },
432 .finalization_type = FINALIZATION_TYPE_DIGEST,
433 }, {
434 .name = "digest misaligned splits crossing pages",
435 .src_divs = {
436 {
437 .proportion_of_total = 7500,
438 .offset = PAGE_SIZE - 32,
439 }, {
440 .proportion_of_total = 2500,
441 .offset = PAGE_SIZE - 7,
442 },
443 },
444 .finalization_type = FINALIZATION_TYPE_DIGEST,
445 }, {
446 .name = "import/export",
447 .src_divs = {
448 {
449 .proportion_of_total = 6500,
450 .flush_type = FLUSH_TYPE_REIMPORT,
451 }, {
452 .proportion_of_total = 3500,
453 .flush_type = FLUSH_TYPE_REIMPORT,
454 },
455 },
456 .finalization_type = FINALIZATION_TYPE_FINAL,
457 }
458 };
459
count_test_sg_divisions(const struct test_sg_division * divs)460 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
461 {
462 unsigned int remaining = TEST_SG_TOTAL;
463 unsigned int ndivs = 0;
464
465 do {
466 remaining -= divs[ndivs++].proportion_of_total;
467 } while (remaining);
468
469 return ndivs;
470 }
471
472 #define SGDIVS_HAVE_FLUSHES BIT(0)
473 #define SGDIVS_HAVE_NOSIMD BIT(1)
474
valid_sg_divisions(const struct test_sg_division * divs,unsigned int count,int * flags_ret)475 static bool valid_sg_divisions(const struct test_sg_division *divs,
476 unsigned int count, int *flags_ret)
477 {
478 unsigned int total = 0;
479 unsigned int i;
480
481 for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
482 if (divs[i].proportion_of_total <= 0 ||
483 divs[i].proportion_of_total > TEST_SG_TOTAL - total)
484 return false;
485 total += divs[i].proportion_of_total;
486 if (divs[i].flush_type != FLUSH_TYPE_NONE)
487 *flags_ret |= SGDIVS_HAVE_FLUSHES;
488 if (divs[i].nosimd)
489 *flags_ret |= SGDIVS_HAVE_NOSIMD;
490 }
491 return total == TEST_SG_TOTAL &&
492 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
493 }
494
495 /*
496 * Check whether the given testvec_config is valid. This isn't strictly needed
497 * since every testvec_config should be valid, but check anyway so that people
498 * don't unknowingly add broken configs that don't do what they wanted.
499 */
valid_testvec_config(const struct testvec_config * cfg)500 static bool valid_testvec_config(const struct testvec_config *cfg)
501 {
502 int flags = 0;
503
504 if (cfg->name == NULL)
505 return false;
506
507 if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
508 &flags))
509 return false;
510
511 if (cfg->dst_divs[0].proportion_of_total) {
512 if (!valid_sg_divisions(cfg->dst_divs,
513 ARRAY_SIZE(cfg->dst_divs), &flags))
514 return false;
515 } else {
516 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
517 return false;
518 /* defaults to dst_divs=src_divs */
519 }
520
521 if (cfg->iv_offset +
522 (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
523 MAX_ALGAPI_ALIGNMASK + 1)
524 return false;
525
526 if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
527 cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
528 return false;
529
530 if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
531 (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
532 return false;
533
534 return true;
535 }
536
537 struct test_sglist {
538 char *bufs[XBUFSIZE];
539 struct scatterlist sgl[XBUFSIZE];
540 struct scatterlist sgl_saved[XBUFSIZE];
541 struct scatterlist *sgl_ptr;
542 unsigned int nents;
543 };
544
init_test_sglist(struct test_sglist * tsgl)545 static int init_test_sglist(struct test_sglist *tsgl)
546 {
547 return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
548 }
549
destroy_test_sglist(struct test_sglist * tsgl)550 static void destroy_test_sglist(struct test_sglist *tsgl)
551 {
552 return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
553 }
554
555 /**
556 * build_test_sglist() - build a scatterlist for a crypto test
557 *
558 * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page
559 * buffers which the scatterlist @tsgl->sgl[] will be made to point into.
560 * @divs: the layout specification on which the scatterlist will be based
561 * @alignmask: the algorithm's alignmask
562 * @total_len: the total length of the scatterlist to build in bytes
563 * @data: if non-NULL, the buffers will be filled with this data until it ends.
564 * Otherwise the buffers will be poisoned. In both cases, some bytes
565 * past the end of each buffer will be poisoned to help detect overruns.
566 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
567 * corresponds will be returned here. This will match @divs except
568 * that divisions resolving to a length of 0 are omitted as they are
569 * not included in the scatterlist.
570 *
571 * Return: 0 or a -errno value
572 */
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])573 static int build_test_sglist(struct test_sglist *tsgl,
574 const struct test_sg_division *divs,
575 const unsigned int alignmask,
576 const unsigned int total_len,
577 struct iov_iter *data,
578 const struct test_sg_division *out_divs[XBUFSIZE])
579 {
580 struct {
581 const struct test_sg_division *div;
582 size_t length;
583 } partitions[XBUFSIZE];
584 const unsigned int ndivs = count_test_sg_divisions(divs);
585 unsigned int len_remaining = total_len;
586 unsigned int i;
587
588 BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
589 if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
590 return -EINVAL;
591
592 /* Calculate the (div, length) pairs */
593 tsgl->nents = 0;
594 for (i = 0; i < ndivs; i++) {
595 unsigned int len_this_sg =
596 min(len_remaining,
597 (total_len * divs[i].proportion_of_total +
598 TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
599
600 if (len_this_sg != 0) {
601 partitions[tsgl->nents].div = &divs[i];
602 partitions[tsgl->nents].length = len_this_sg;
603 tsgl->nents++;
604 len_remaining -= len_this_sg;
605 }
606 }
607 if (tsgl->nents == 0) {
608 partitions[tsgl->nents].div = &divs[0];
609 partitions[tsgl->nents].length = 0;
610 tsgl->nents++;
611 }
612 partitions[tsgl->nents - 1].length += len_remaining;
613
614 /* Set up the sgl entries and fill the data or poison */
615 sg_init_table(tsgl->sgl, tsgl->nents);
616 for (i = 0; i < tsgl->nents; i++) {
617 unsigned int offset = partitions[i].div->offset;
618 void *addr;
619
620 if (partitions[i].div->offset_relative_to_alignmask)
621 offset += alignmask;
622
623 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
624 2 * PAGE_SIZE) {
625 if (WARN_ON(offset <= 0))
626 return -EINVAL;
627 offset /= 2;
628 }
629
630 addr = &tsgl->bufs[i][offset];
631 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
632
633 if (out_divs)
634 out_divs[i] = partitions[i].div;
635
636 if (data) {
637 size_t copy_len, copied;
638
639 copy_len = min(partitions[i].length, data->count);
640 copied = copy_from_iter(addr, copy_len, data);
641 if (WARN_ON(copied != copy_len))
642 return -EINVAL;
643 testmgr_poison(addr + copy_len, partitions[i].length +
644 TESTMGR_POISON_LEN - copy_len);
645 } else {
646 testmgr_poison(addr, partitions[i].length +
647 TESTMGR_POISON_LEN);
648 }
649 }
650
651 sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
652 tsgl->sgl_ptr = tsgl->sgl;
653 memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
654 return 0;
655 }
656
657 /*
658 * Verify that a scatterlist crypto operation produced the correct output.
659 *
660 * @tsgl: scatterlist containing the actual output
661 * @expected_output: buffer containing the expected output
662 * @len_to_check: length of @expected_output in bytes
663 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
664 * @check_poison: verify that the poison bytes after each chunk are intact?
665 *
666 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
667 */
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)668 static int verify_correct_output(const struct test_sglist *tsgl,
669 const char *expected_output,
670 unsigned int len_to_check,
671 unsigned int unchecked_prefix_len,
672 bool check_poison)
673 {
674 unsigned int i;
675
676 for (i = 0; i < tsgl->nents; i++) {
677 struct scatterlist *sg = &tsgl->sgl_ptr[i];
678 unsigned int len = sg->length;
679 unsigned int offset = sg->offset;
680 const char *actual_output;
681
682 if (unchecked_prefix_len) {
683 if (unchecked_prefix_len >= len) {
684 unchecked_prefix_len -= len;
685 continue;
686 }
687 offset += unchecked_prefix_len;
688 len -= unchecked_prefix_len;
689 unchecked_prefix_len = 0;
690 }
691 len = min(len, len_to_check);
692 actual_output = page_address(sg_page(sg)) + offset;
693 if (memcmp(expected_output, actual_output, len) != 0)
694 return -EINVAL;
695 if (check_poison &&
696 !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
697 return -EOVERFLOW;
698 len_to_check -= len;
699 expected_output += len;
700 }
701 if (WARN_ON(len_to_check != 0))
702 return -EINVAL;
703 return 0;
704 }
705
is_test_sglist_corrupted(const struct test_sglist * tsgl)706 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
707 {
708 unsigned int i;
709
710 for (i = 0; i < tsgl->nents; i++) {
711 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
712 return true;
713 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
714 return true;
715 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
716 return true;
717 }
718 return false;
719 }
720
721 struct cipher_test_sglists {
722 struct test_sglist src;
723 struct test_sglist dst;
724 };
725
alloc_cipher_test_sglists(void)726 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
727 {
728 struct cipher_test_sglists *tsgls;
729
730 tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
731 if (!tsgls)
732 return NULL;
733
734 if (init_test_sglist(&tsgls->src) != 0)
735 goto fail_kfree;
736 if (init_test_sglist(&tsgls->dst) != 0)
737 goto fail_destroy_src;
738
739 return tsgls;
740
741 fail_destroy_src:
742 destroy_test_sglist(&tsgls->src);
743 fail_kfree:
744 kfree(tsgls);
745 return NULL;
746 }
747
free_cipher_test_sglists(struct cipher_test_sglists * tsgls)748 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
749 {
750 if (tsgls) {
751 destroy_test_sglist(&tsgls->src);
752 destroy_test_sglist(&tsgls->dst);
753 kfree(tsgls);
754 }
755 }
756
757 /* 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)758 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
759 const struct testvec_config *cfg,
760 unsigned int alignmask,
761 unsigned int src_total_len,
762 unsigned int dst_total_len,
763 const struct kvec *inputs,
764 unsigned int nr_inputs)
765 {
766 struct iov_iter input;
767 int err;
768
769 iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
770 err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
771 cfg->inplace_mode != OUT_OF_PLACE ?
772 max(dst_total_len, src_total_len) :
773 src_total_len,
774 &input, NULL);
775 if (err)
776 return err;
777
778 /*
779 * In-place crypto operations can use the same scatterlist for both the
780 * source and destination (req->src == req->dst), or can use separate
781 * scatterlists (req->src != req->dst) which point to the same
782 * underlying memory. Make sure to test both cases.
783 */
784 if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
785 tsgls->dst.sgl_ptr = tsgls->src.sgl;
786 tsgls->dst.nents = tsgls->src.nents;
787 return 0;
788 }
789 if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
790 /*
791 * For now we keep it simple and only test the case where the
792 * two scatterlists have identical entries, rather than
793 * different entries that split up the same memory differently.
794 */
795 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
796 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
797 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
798 tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
799 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
800 tsgls->dst.nents = tsgls->src.nents;
801 return 0;
802 }
803 /* Out of place */
804 return build_test_sglist(&tsgls->dst,
805 cfg->dst_divs[0].proportion_of_total ?
806 cfg->dst_divs : cfg->src_divs,
807 alignmask, dst_total_len, NULL, NULL);
808 }
809
810 /*
811 * Support for testing passing a misaligned key to setkey():
812 *
813 * If cfg->key_offset is set, copy the key into a new buffer at that offset,
814 * optionally adding alignmask. Else, just use the key directly.
815 */
prepare_keybuf(const u8 * key,unsigned int ksize,const struct testvec_config * cfg,unsigned int alignmask,const u8 ** keybuf_ret,const u8 ** keyptr_ret)816 static int prepare_keybuf(const u8 *key, unsigned int ksize,
817 const struct testvec_config *cfg,
818 unsigned int alignmask,
819 const u8 **keybuf_ret, const u8 **keyptr_ret)
820 {
821 unsigned int key_offset = cfg->key_offset;
822 u8 *keybuf = NULL, *keyptr = (u8 *)key;
823
824 if (key_offset != 0) {
825 if (cfg->key_offset_relative_to_alignmask)
826 key_offset += alignmask;
827 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
828 if (!keybuf)
829 return -ENOMEM;
830 keyptr = keybuf + key_offset;
831 memcpy(keyptr, key, ksize);
832 }
833 *keybuf_ret = keybuf;
834 *keyptr_ret = keyptr;
835 return 0;
836 }
837
838 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
839 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \
840 ({ \
841 const u8 *keybuf, *keyptr; \
842 int err; \
843 \
844 err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \
845 &keybuf, &keyptr); \
846 if (err == 0) { \
847 err = setkey_f((tfm), keyptr, (ksize)); \
848 kfree(keybuf); \
849 } \
850 err; \
851 })
852
853 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
854
855 /* Generate a random length in range [0, max_len], but prefer smaller values */
generate_random_length(unsigned int max_len)856 static unsigned int generate_random_length(unsigned int max_len)
857 {
858 unsigned int len = prandom_u32_max(max_len + 1);
859
860 switch (prandom_u32_max(4)) {
861 case 0:
862 return len % 64;
863 case 1:
864 return len % 256;
865 case 2:
866 return len % 1024;
867 default:
868 return len;
869 }
870 }
871
872 /* Flip a random bit in the given nonempty data buffer */
flip_random_bit(u8 * buf,size_t size)873 static void flip_random_bit(u8 *buf, size_t size)
874 {
875 size_t bitpos;
876
877 bitpos = prandom_u32_max(size * 8);
878 buf[bitpos / 8] ^= 1 << (bitpos % 8);
879 }
880
881 /* Flip a random byte in the given nonempty data buffer */
flip_random_byte(u8 * buf,size_t size)882 static void flip_random_byte(u8 *buf, size_t size)
883 {
884 buf[prandom_u32_max(size)] ^= 0xff;
885 }
886
887 /* Sometimes make some random changes to the given nonempty data buffer */
mutate_buffer(u8 * buf,size_t size)888 static void mutate_buffer(u8 *buf, size_t size)
889 {
890 size_t num_flips;
891 size_t i;
892
893 /* Sometimes flip some bits */
894 if (prandom_u32_max(4) == 0) {
895 num_flips = min_t(size_t, 1 << prandom_u32_max(8), size * 8);
896 for (i = 0; i < num_flips; i++)
897 flip_random_bit(buf, size);
898 }
899
900 /* Sometimes flip some bytes */
901 if (prandom_u32_max(4) == 0) {
902 num_flips = min_t(size_t, 1 << prandom_u32_max(8), size);
903 for (i = 0; i < num_flips; i++)
904 flip_random_byte(buf, size);
905 }
906 }
907
908 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
generate_random_bytes(u8 * buf,size_t count)909 static void generate_random_bytes(u8 *buf, size_t count)
910 {
911 u8 b;
912 u8 increment;
913 size_t i;
914
915 if (count == 0)
916 return;
917
918 switch (prandom_u32_max(8)) { /* Choose a generation strategy */
919 case 0:
920 case 1:
921 /* All the same byte, plus optional mutations */
922 switch (prandom_u32_max(4)) {
923 case 0:
924 b = 0x00;
925 break;
926 case 1:
927 b = 0xff;
928 break;
929 default:
930 b = get_random_u8();
931 break;
932 }
933 memset(buf, b, count);
934 mutate_buffer(buf, count);
935 break;
936 case 2:
937 /* Ascending or descending bytes, plus optional mutations */
938 increment = get_random_u8();
939 b = get_random_u8();
940 for (i = 0; i < count; i++, b += increment)
941 buf[i] = b;
942 mutate_buffer(buf, count);
943 break;
944 default:
945 /* Fully random bytes */
946 for (i = 0; i < count; i++)
947 buf[i] = get_random_u8();
948 }
949 }
950
generate_random_sgl_divisions(struct test_sg_division * divs,size_t max_divs,char * p,char * end,bool gen_flushes,u32 req_flags)951 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
952 size_t max_divs, char *p, char *end,
953 bool gen_flushes, u32 req_flags)
954 {
955 struct test_sg_division *div = divs;
956 unsigned int remaining = TEST_SG_TOTAL;
957
958 do {
959 unsigned int this_len;
960 const char *flushtype_str;
961
962 if (div == &divs[max_divs - 1] || prandom_u32_max(2) == 0)
963 this_len = remaining;
964 else
965 this_len = 1 + prandom_u32_max(remaining);
966 div->proportion_of_total = this_len;
967
968 if (prandom_u32_max(4) == 0)
969 div->offset = (PAGE_SIZE - 128) + prandom_u32_max(128);
970 else if (prandom_u32_max(2) == 0)
971 div->offset = prandom_u32_max(32);
972 else
973 div->offset = prandom_u32_max(PAGE_SIZE);
974 if (prandom_u32_max(8) == 0)
975 div->offset_relative_to_alignmask = true;
976
977 div->flush_type = FLUSH_TYPE_NONE;
978 if (gen_flushes) {
979 switch (prandom_u32_max(4)) {
980 case 0:
981 div->flush_type = FLUSH_TYPE_REIMPORT;
982 break;
983 case 1:
984 div->flush_type = FLUSH_TYPE_FLUSH;
985 break;
986 }
987 }
988
989 if (div->flush_type != FLUSH_TYPE_NONE &&
990 !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
991 prandom_u32_max(2) == 0)
992 div->nosimd = true;
993
994 switch (div->flush_type) {
995 case FLUSH_TYPE_FLUSH:
996 if (div->nosimd)
997 flushtype_str = "<flush,nosimd>";
998 else
999 flushtype_str = "<flush>";
1000 break;
1001 case FLUSH_TYPE_REIMPORT:
1002 if (div->nosimd)
1003 flushtype_str = "<reimport,nosimd>";
1004 else
1005 flushtype_str = "<reimport>";
1006 break;
1007 default:
1008 flushtype_str = "";
1009 break;
1010 }
1011
1012 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1013 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1014 this_len / 100, this_len % 100,
1015 div->offset_relative_to_alignmask ?
1016 "alignmask" : "",
1017 div->offset, this_len == remaining ? "" : ", ");
1018 remaining -= this_len;
1019 div++;
1020 } while (remaining);
1021
1022 return p;
1023 }
1024
1025 /* Generate a random testvec_config for fuzz testing */
generate_random_testvec_config(struct testvec_config * cfg,char * name,size_t max_namelen)1026 static void generate_random_testvec_config(struct testvec_config *cfg,
1027 char *name, size_t max_namelen)
1028 {
1029 char *p = name;
1030 char * const end = name + max_namelen;
1031
1032 memset(cfg, 0, sizeof(*cfg));
1033
1034 cfg->name = name;
1035
1036 p += scnprintf(p, end - p, "random:");
1037
1038 switch (prandom_u32_max(4)) {
1039 case 0:
1040 case 1:
1041 cfg->inplace_mode = OUT_OF_PLACE;
1042 break;
1043 case 2:
1044 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1045 p += scnprintf(p, end - p, " inplace_one_sglist");
1046 break;
1047 default:
1048 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1049 p += scnprintf(p, end - p, " inplace_two_sglists");
1050 break;
1051 }
1052
1053 if (prandom_u32_max(2) == 0) {
1054 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1055 p += scnprintf(p, end - p, " may_sleep");
1056 }
1057
1058 switch (prandom_u32_max(4)) {
1059 case 0:
1060 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1061 p += scnprintf(p, end - p, " use_final");
1062 break;
1063 case 1:
1064 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1065 p += scnprintf(p, end - p, " use_finup");
1066 break;
1067 default:
1068 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1069 p += scnprintf(p, end - p, " use_digest");
1070 break;
1071 }
1072
1073 if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1074 prandom_u32_max(2) == 0) {
1075 cfg->nosimd = true;
1076 p += scnprintf(p, end - p, " nosimd");
1077 }
1078
1079 p += scnprintf(p, end - p, " src_divs=[");
1080 p = generate_random_sgl_divisions(cfg->src_divs,
1081 ARRAY_SIZE(cfg->src_divs), p, end,
1082 (cfg->finalization_type !=
1083 FINALIZATION_TYPE_DIGEST),
1084 cfg->req_flags);
1085 p += scnprintf(p, end - p, "]");
1086
1087 if (cfg->inplace_mode == OUT_OF_PLACE && prandom_u32_max(2) == 0) {
1088 p += scnprintf(p, end - p, " dst_divs=[");
1089 p = generate_random_sgl_divisions(cfg->dst_divs,
1090 ARRAY_SIZE(cfg->dst_divs),
1091 p, end, false,
1092 cfg->req_flags);
1093 p += scnprintf(p, end - p, "]");
1094 }
1095
1096 if (prandom_u32_max(2) == 0) {
1097 cfg->iv_offset = 1 + prandom_u32_max(MAX_ALGAPI_ALIGNMASK);
1098 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1099 }
1100
1101 if (prandom_u32_max(2) == 0) {
1102 cfg->key_offset = 1 + prandom_u32_max(MAX_ALGAPI_ALIGNMASK);
1103 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1104 }
1105
1106 WARN_ON_ONCE(!valid_testvec_config(cfg));
1107 }
1108
crypto_disable_simd_for_test(void)1109 static void crypto_disable_simd_for_test(void)
1110 {
1111 migrate_disable();
1112 __this_cpu_write(crypto_simd_disabled_for_test, true);
1113 }
1114
crypto_reenable_simd_for_test(void)1115 static void crypto_reenable_simd_for_test(void)
1116 {
1117 __this_cpu_write(crypto_simd_disabled_for_test, false);
1118 migrate_enable();
1119 }
1120
1121 /*
1122 * Given an algorithm name, build the name of the generic implementation of that
1123 * algorithm, assuming the usual naming convention. Specifically, this appends
1124 * "-generic" to every part of the name that is not a template name. Examples:
1125 *
1126 * aes => aes-generic
1127 * cbc(aes) => cbc(aes-generic)
1128 * cts(cbc(aes)) => cts(cbc(aes-generic))
1129 * rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1130 *
1131 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1132 */
build_generic_driver_name(const char * algname,char driver_name[CRYPTO_MAX_ALG_NAME])1133 static int build_generic_driver_name(const char *algname,
1134 char driver_name[CRYPTO_MAX_ALG_NAME])
1135 {
1136 const char *in = algname;
1137 char *out = driver_name;
1138 size_t len = strlen(algname);
1139
1140 if (len >= CRYPTO_MAX_ALG_NAME)
1141 goto too_long;
1142 do {
1143 const char *in_saved = in;
1144
1145 while (*in && *in != '(' && *in != ')' && *in != ',')
1146 *out++ = *in++;
1147 if (*in != '(' && in > in_saved) {
1148 len += 8;
1149 if (len >= CRYPTO_MAX_ALG_NAME)
1150 goto too_long;
1151 memcpy(out, "-generic", 8);
1152 out += 8;
1153 }
1154 } while ((*out++ = *in++) != '\0');
1155 return 0;
1156
1157 too_long:
1158 pr_err("alg: generic driver name for \"%s\" would be too long\n",
1159 algname);
1160 return -ENAMETOOLONG;
1161 }
1162 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
crypto_disable_simd_for_test(void)1163 static void crypto_disable_simd_for_test(void)
1164 {
1165 }
1166
crypto_reenable_simd_for_test(void)1167 static void crypto_reenable_simd_for_test(void)
1168 {
1169 }
1170 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1171
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])1172 static int build_hash_sglist(struct test_sglist *tsgl,
1173 const struct hash_testvec *vec,
1174 const struct testvec_config *cfg,
1175 unsigned int alignmask,
1176 const struct test_sg_division *divs[XBUFSIZE])
1177 {
1178 struct kvec kv;
1179 struct iov_iter input;
1180
1181 kv.iov_base = (void *)vec->plaintext;
1182 kv.iov_len = vec->psize;
1183 iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1184 return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1185 &input, divs);
1186 }
1187
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)1188 static int check_hash_result(const char *type,
1189 const u8 *result, unsigned int digestsize,
1190 const struct hash_testvec *vec,
1191 const char *vec_name,
1192 const char *driver,
1193 const struct testvec_config *cfg)
1194 {
1195 if (memcmp(result, vec->digest, digestsize) != 0) {
1196 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1197 type, driver, vec_name, cfg->name);
1198 return -EINVAL;
1199 }
1200 if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1201 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1202 type, driver, vec_name, cfg->name);
1203 return -EOVERFLOW;
1204 }
1205 return 0;
1206 }
1207
check_shash_op(const char * op,int err,const char * driver,const char * vec_name,const struct testvec_config * cfg)1208 static inline int check_shash_op(const char *op, int err,
1209 const char *driver, const char *vec_name,
1210 const struct testvec_config *cfg)
1211 {
1212 if (err)
1213 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1214 driver, op, err, vec_name, cfg->name);
1215 return err;
1216 }
1217
1218 /* 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)1219 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1220 const char *vec_name,
1221 const struct testvec_config *cfg,
1222 struct shash_desc *desc,
1223 struct test_sglist *tsgl,
1224 u8 *hashstate)
1225 {
1226 struct crypto_shash *tfm = desc->tfm;
1227 const unsigned int alignmask = crypto_shash_alignmask(tfm);
1228 const unsigned int digestsize = crypto_shash_digestsize(tfm);
1229 const unsigned int statesize = crypto_shash_statesize(tfm);
1230 const char *driver = crypto_shash_driver_name(tfm);
1231 const struct test_sg_division *divs[XBUFSIZE];
1232 unsigned int i;
1233 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1234 int err;
1235
1236 /* Set the key, if specified */
1237 if (vec->ksize) {
1238 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1239 cfg, alignmask);
1240 if (err) {
1241 if (err == vec->setkey_error)
1242 return 0;
1243 pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1244 driver, vec_name, vec->setkey_error, err,
1245 crypto_shash_get_flags(tfm));
1246 return err;
1247 }
1248 if (vec->setkey_error) {
1249 pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1250 driver, vec_name, vec->setkey_error);
1251 return -EINVAL;
1252 }
1253 }
1254
1255 /* Build the scatterlist for the source data */
1256 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1257 if (err) {
1258 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1259 driver, vec_name, cfg->name);
1260 return err;
1261 }
1262
1263 /* Do the actual hashing */
1264
1265 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1266 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1267
1268 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1269 vec->digest_error) {
1270 /* Just using digest() */
1271 if (tsgl->nents != 1)
1272 return 0;
1273 if (cfg->nosimd)
1274 crypto_disable_simd_for_test();
1275 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1276 tsgl->sgl[0].length, result);
1277 if (cfg->nosimd)
1278 crypto_reenable_simd_for_test();
1279 if (err) {
1280 if (err == vec->digest_error)
1281 return 0;
1282 pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1283 driver, vec_name, vec->digest_error, err,
1284 cfg->name);
1285 return err;
1286 }
1287 if (vec->digest_error) {
1288 pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1289 driver, vec_name, vec->digest_error, cfg->name);
1290 return -EINVAL;
1291 }
1292 goto result_ready;
1293 }
1294
1295 /* Using init(), zero or more update(), then final() or finup() */
1296
1297 if (cfg->nosimd)
1298 crypto_disable_simd_for_test();
1299 err = crypto_shash_init(desc);
1300 if (cfg->nosimd)
1301 crypto_reenable_simd_for_test();
1302 err = check_shash_op("init", err, driver, vec_name, cfg);
1303 if (err)
1304 return err;
1305
1306 for (i = 0; i < tsgl->nents; i++) {
1307 if (i + 1 == tsgl->nents &&
1308 cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1309 if (divs[i]->nosimd)
1310 crypto_disable_simd_for_test();
1311 err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1312 tsgl->sgl[i].length, result);
1313 if (divs[i]->nosimd)
1314 crypto_reenable_simd_for_test();
1315 err = check_shash_op("finup", err, driver, vec_name,
1316 cfg);
1317 if (err)
1318 return err;
1319 goto result_ready;
1320 }
1321 if (divs[i]->nosimd)
1322 crypto_disable_simd_for_test();
1323 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1324 tsgl->sgl[i].length);
1325 if (divs[i]->nosimd)
1326 crypto_reenable_simd_for_test();
1327 err = check_shash_op("update", err, driver, vec_name, cfg);
1328 if (err)
1329 return err;
1330 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1331 /* Test ->export() and ->import() */
1332 testmgr_poison(hashstate + statesize,
1333 TESTMGR_POISON_LEN);
1334 err = crypto_shash_export(desc, hashstate);
1335 err = check_shash_op("export", err, driver, vec_name,
1336 cfg);
1337 if (err)
1338 return err;
1339 if (!testmgr_is_poison(hashstate + statesize,
1340 TESTMGR_POISON_LEN)) {
1341 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1342 driver, vec_name, cfg->name);
1343 return -EOVERFLOW;
1344 }
1345 testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1346 err = crypto_shash_import(desc, hashstate);
1347 err = check_shash_op("import", err, driver, vec_name,
1348 cfg);
1349 if (err)
1350 return err;
1351 }
1352 }
1353
1354 if (cfg->nosimd)
1355 crypto_disable_simd_for_test();
1356 err = crypto_shash_final(desc, result);
1357 if (cfg->nosimd)
1358 crypto_reenable_simd_for_test();
1359 err = check_shash_op("final", err, driver, vec_name, cfg);
1360 if (err)
1361 return err;
1362 result_ready:
1363 return check_hash_result("shash", result, digestsize, vec, vec_name,
1364 driver, cfg);
1365 }
1366
do_ahash_op(int (* op)(struct ahash_request * req),struct ahash_request * req,struct crypto_wait * wait,bool nosimd)1367 static int do_ahash_op(int (*op)(struct ahash_request *req),
1368 struct ahash_request *req,
1369 struct crypto_wait *wait, bool nosimd)
1370 {
1371 int err;
1372
1373 if (nosimd)
1374 crypto_disable_simd_for_test();
1375
1376 err = op(req);
1377
1378 if (nosimd)
1379 crypto_reenable_simd_for_test();
1380
1381 return crypto_wait_req(err, wait);
1382 }
1383
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)1384 static int check_nonfinal_ahash_op(const char *op, int err,
1385 u8 *result, unsigned int digestsize,
1386 const char *driver, const char *vec_name,
1387 const struct testvec_config *cfg)
1388 {
1389 if (err) {
1390 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1391 driver, op, err, vec_name, cfg->name);
1392 return err;
1393 }
1394 if (!testmgr_is_poison(result, digestsize)) {
1395 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1396 driver, op, vec_name, cfg->name);
1397 return -EINVAL;
1398 }
1399 return 0;
1400 }
1401
1402 /* 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)1403 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1404 const char *vec_name,
1405 const struct testvec_config *cfg,
1406 struct ahash_request *req,
1407 struct test_sglist *tsgl,
1408 u8 *hashstate)
1409 {
1410 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1411 const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1412 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1413 const unsigned int statesize = crypto_ahash_statesize(tfm);
1414 const char *driver = crypto_ahash_driver_name(tfm);
1415 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1416 const struct test_sg_division *divs[XBUFSIZE];
1417 DECLARE_CRYPTO_WAIT(wait);
1418 unsigned int i;
1419 struct scatterlist *pending_sgl;
1420 unsigned int pending_len;
1421 u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1422 int err;
1423
1424 /* Set the key, if specified */
1425 if (vec->ksize) {
1426 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1427 cfg, alignmask);
1428 if (err) {
1429 if (err == vec->setkey_error)
1430 return 0;
1431 pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1432 driver, vec_name, vec->setkey_error, err,
1433 crypto_ahash_get_flags(tfm));
1434 return err;
1435 }
1436 if (vec->setkey_error) {
1437 pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1438 driver, vec_name, vec->setkey_error);
1439 return -EINVAL;
1440 }
1441 }
1442
1443 /* Build the scatterlist for the source data */
1444 err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1445 if (err) {
1446 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1447 driver, vec_name, cfg->name);
1448 return err;
1449 }
1450
1451 /* Do the actual hashing */
1452
1453 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1454 testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1455
1456 if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1457 vec->digest_error) {
1458 /* Just using digest() */
1459 ahash_request_set_callback(req, req_flags, crypto_req_done,
1460 &wait);
1461 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1462 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1463 if (err) {
1464 if (err == vec->digest_error)
1465 return 0;
1466 pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1467 driver, vec_name, vec->digest_error, err,
1468 cfg->name);
1469 return err;
1470 }
1471 if (vec->digest_error) {
1472 pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1473 driver, vec_name, vec->digest_error, cfg->name);
1474 return -EINVAL;
1475 }
1476 goto result_ready;
1477 }
1478
1479 /* Using init(), zero or more update(), then final() or finup() */
1480
1481 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1482 ahash_request_set_crypt(req, NULL, result, 0);
1483 err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1484 err = check_nonfinal_ahash_op("init", err, result, digestsize,
1485 driver, vec_name, cfg);
1486 if (err)
1487 return err;
1488
1489 pending_sgl = NULL;
1490 pending_len = 0;
1491 for (i = 0; i < tsgl->nents; i++) {
1492 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1493 pending_sgl != NULL) {
1494 /* update() with the pending data */
1495 ahash_request_set_callback(req, req_flags,
1496 crypto_req_done, &wait);
1497 ahash_request_set_crypt(req, pending_sgl, result,
1498 pending_len);
1499 err = do_ahash_op(crypto_ahash_update, req, &wait,
1500 divs[i]->nosimd);
1501 err = check_nonfinal_ahash_op("update", err,
1502 result, digestsize,
1503 driver, vec_name, cfg);
1504 if (err)
1505 return err;
1506 pending_sgl = NULL;
1507 pending_len = 0;
1508 }
1509 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1510 /* Test ->export() and ->import() */
1511 testmgr_poison(hashstate + statesize,
1512 TESTMGR_POISON_LEN);
1513 err = crypto_ahash_export(req, hashstate);
1514 err = check_nonfinal_ahash_op("export", err,
1515 result, digestsize,
1516 driver, vec_name, cfg);
1517 if (err)
1518 return err;
1519 if (!testmgr_is_poison(hashstate + statesize,
1520 TESTMGR_POISON_LEN)) {
1521 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1522 driver, vec_name, cfg->name);
1523 return -EOVERFLOW;
1524 }
1525
1526 testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1527 err = crypto_ahash_import(req, hashstate);
1528 err = check_nonfinal_ahash_op("import", err,
1529 result, digestsize,
1530 driver, vec_name, cfg);
1531 if (err)
1532 return err;
1533 }
1534 if (pending_sgl == NULL)
1535 pending_sgl = &tsgl->sgl[i];
1536 pending_len += tsgl->sgl[i].length;
1537 }
1538
1539 ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1540 ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1541 if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1542 /* finish with update() and final() */
1543 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1544 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1545 driver, vec_name, cfg);
1546 if (err)
1547 return err;
1548 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1549 if (err) {
1550 pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1551 driver, err, vec_name, cfg->name);
1552 return err;
1553 }
1554 } else {
1555 /* finish with finup() */
1556 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1557 if (err) {
1558 pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1559 driver, err, vec_name, cfg->name);
1560 return err;
1561 }
1562 }
1563
1564 result_ready:
1565 return check_hash_result("ahash", result, digestsize, vec, vec_name,
1566 driver, cfg);
1567 }
1568
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)1569 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1570 const char *vec_name,
1571 const struct testvec_config *cfg,
1572 struct ahash_request *req,
1573 struct shash_desc *desc,
1574 struct test_sglist *tsgl,
1575 u8 *hashstate)
1576 {
1577 int err;
1578
1579 /*
1580 * For algorithms implemented as "shash", most bugs will be detected by
1581 * both the shash and ahash tests. Test the shash API first so that the
1582 * failures involve less indirection, so are easier to debug.
1583 */
1584
1585 if (desc) {
1586 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1587 hashstate);
1588 if (err)
1589 return err;
1590 }
1591
1592 return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1593 }
1594
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)1595 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1596 struct ahash_request *req, struct shash_desc *desc,
1597 struct test_sglist *tsgl, u8 *hashstate)
1598 {
1599 char vec_name[16];
1600 unsigned int i;
1601 int err;
1602
1603 sprintf(vec_name, "%u", vec_num);
1604
1605 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1606 err = test_hash_vec_cfg(vec, vec_name,
1607 &default_hash_testvec_configs[i],
1608 req, desc, tsgl, hashstate);
1609 if (err)
1610 return err;
1611 }
1612
1613 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1614 if (!noextratests) {
1615 struct testvec_config cfg;
1616 char cfgname[TESTVEC_CONFIG_NAMELEN];
1617
1618 for (i = 0; i < fuzz_iterations; i++) {
1619 generate_random_testvec_config(&cfg, cfgname,
1620 sizeof(cfgname));
1621 err = test_hash_vec_cfg(vec, vec_name, &cfg,
1622 req, desc, tsgl, hashstate);
1623 if (err)
1624 return err;
1625 cond_resched();
1626 }
1627 }
1628 #endif
1629 return 0;
1630 }
1631
1632 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1633 /*
1634 * Generate a hash test vector from the given implementation.
1635 * Assumes the buffers in 'vec' were already allocated.
1636 */
generate_random_hash_testvec(struct shash_desc * desc,struct hash_testvec * vec,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen)1637 static void generate_random_hash_testvec(struct shash_desc *desc,
1638 struct hash_testvec *vec,
1639 unsigned int maxkeysize,
1640 unsigned int maxdatasize,
1641 char *name, size_t max_namelen)
1642 {
1643 /* Data */
1644 vec->psize = generate_random_length(maxdatasize);
1645 generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1646
1647 /*
1648 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1649 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1650 */
1651 vec->setkey_error = 0;
1652 vec->ksize = 0;
1653 if (maxkeysize) {
1654 vec->ksize = maxkeysize;
1655 if (prandom_u32_max(4) == 0)
1656 vec->ksize = 1 + prandom_u32_max(maxkeysize);
1657 generate_random_bytes((u8 *)vec->key, vec->ksize);
1658
1659 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1660 vec->ksize);
1661 /* If the key couldn't be set, no need to continue to digest. */
1662 if (vec->setkey_error)
1663 goto done;
1664 }
1665
1666 /* Digest */
1667 vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1668 vec->psize, (u8 *)vec->digest);
1669 done:
1670 snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1671 vec->psize, vec->ksize);
1672 }
1673
1674 /*
1675 * Test the hash algorithm represented by @req against the corresponding generic
1676 * implementation, if one is available.
1677 */
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)1678 static int test_hash_vs_generic_impl(const char *generic_driver,
1679 unsigned int maxkeysize,
1680 struct ahash_request *req,
1681 struct shash_desc *desc,
1682 struct test_sglist *tsgl,
1683 u8 *hashstate)
1684 {
1685 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1686 const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1687 const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1688 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1689 const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1690 const char *driver = crypto_ahash_driver_name(tfm);
1691 char _generic_driver[CRYPTO_MAX_ALG_NAME];
1692 struct crypto_shash *generic_tfm = NULL;
1693 struct shash_desc *generic_desc = NULL;
1694 unsigned int i;
1695 struct hash_testvec vec = { 0 };
1696 char vec_name[64];
1697 struct testvec_config *cfg;
1698 char cfgname[TESTVEC_CONFIG_NAMELEN];
1699 int err;
1700
1701 if (noextratests)
1702 return 0;
1703
1704 if (!generic_driver) { /* Use default naming convention? */
1705 err = build_generic_driver_name(algname, _generic_driver);
1706 if (err)
1707 return err;
1708 generic_driver = _generic_driver;
1709 }
1710
1711 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1712 return 0;
1713
1714 generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1715 if (IS_ERR(generic_tfm)) {
1716 err = PTR_ERR(generic_tfm);
1717 if (err == -ENOENT) {
1718 pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1719 driver, generic_driver);
1720 return 0;
1721 }
1722 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1723 generic_driver, algname, err);
1724 return err;
1725 }
1726
1727 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1728 if (!cfg) {
1729 err = -ENOMEM;
1730 goto out;
1731 }
1732
1733 generic_desc = kzalloc(sizeof(*desc) +
1734 crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1735 if (!generic_desc) {
1736 err = -ENOMEM;
1737 goto out;
1738 }
1739 generic_desc->tfm = generic_tfm;
1740
1741 /* Check the algorithm properties for consistency. */
1742
1743 if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1744 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1745 driver, digestsize,
1746 crypto_shash_digestsize(generic_tfm));
1747 err = -EINVAL;
1748 goto out;
1749 }
1750
1751 if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1752 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1753 driver, blocksize, crypto_shash_blocksize(generic_tfm));
1754 err = -EINVAL;
1755 goto out;
1756 }
1757
1758 /*
1759 * Now generate test vectors using the generic implementation, and test
1760 * the other implementation against them.
1761 */
1762
1763 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1764 vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1765 vec.digest = kmalloc(digestsize, GFP_KERNEL);
1766 if (!vec.key || !vec.plaintext || !vec.digest) {
1767 err = -ENOMEM;
1768 goto out;
1769 }
1770
1771 for (i = 0; i < fuzz_iterations * 8; i++) {
1772 generate_random_hash_testvec(generic_desc, &vec,
1773 maxkeysize, maxdatasize,
1774 vec_name, sizeof(vec_name));
1775 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1776
1777 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1778 req, desc, tsgl, hashstate);
1779 if (err)
1780 goto out;
1781 cond_resched();
1782 }
1783 err = 0;
1784 out:
1785 kfree(cfg);
1786 kfree(vec.key);
1787 kfree(vec.plaintext);
1788 kfree(vec.digest);
1789 crypto_free_shash(generic_tfm);
1790 kfree_sensitive(generic_desc);
1791 return err;
1792 }
1793 #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)1794 static int test_hash_vs_generic_impl(const char *generic_driver,
1795 unsigned int maxkeysize,
1796 struct ahash_request *req,
1797 struct shash_desc *desc,
1798 struct test_sglist *tsgl,
1799 u8 *hashstate)
1800 {
1801 return 0;
1802 }
1803 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1804
alloc_shash(const char * driver,u32 type,u32 mask,struct crypto_shash ** tfm_ret,struct shash_desc ** desc_ret)1805 static int alloc_shash(const char *driver, u32 type, u32 mask,
1806 struct crypto_shash **tfm_ret,
1807 struct shash_desc **desc_ret)
1808 {
1809 struct crypto_shash *tfm;
1810 struct shash_desc *desc;
1811
1812 tfm = crypto_alloc_shash(driver, type, mask);
1813 if (IS_ERR(tfm)) {
1814 if (PTR_ERR(tfm) == -ENOENT) {
1815 /*
1816 * This algorithm is only available through the ahash
1817 * API, not the shash API, so skip the shash tests.
1818 */
1819 return 0;
1820 }
1821 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1822 driver, PTR_ERR(tfm));
1823 return PTR_ERR(tfm);
1824 }
1825
1826 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1827 if (!desc) {
1828 crypto_free_shash(tfm);
1829 return -ENOMEM;
1830 }
1831 desc->tfm = tfm;
1832
1833 *tfm_ret = tfm;
1834 *desc_ret = desc;
1835 return 0;
1836 }
1837
__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)1838 static int __alg_test_hash(const struct hash_testvec *vecs,
1839 unsigned int num_vecs, const char *driver,
1840 u32 type, u32 mask,
1841 const char *generic_driver, unsigned int maxkeysize)
1842 {
1843 struct crypto_ahash *atfm = NULL;
1844 struct ahash_request *req = NULL;
1845 struct crypto_shash *stfm = NULL;
1846 struct shash_desc *desc = NULL;
1847 struct test_sglist *tsgl = NULL;
1848 u8 *hashstate = NULL;
1849 unsigned int statesize;
1850 unsigned int i;
1851 int err;
1852
1853 /*
1854 * Always test the ahash API. This works regardless of whether the
1855 * algorithm is implemented as ahash or shash.
1856 */
1857
1858 atfm = crypto_alloc_ahash(driver, type, mask);
1859 if (IS_ERR(atfm)) {
1860 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1861 driver, PTR_ERR(atfm));
1862 return PTR_ERR(atfm);
1863 }
1864 driver = crypto_ahash_driver_name(atfm);
1865
1866 req = ahash_request_alloc(atfm, GFP_KERNEL);
1867 if (!req) {
1868 pr_err("alg: hash: failed to allocate request for %s\n",
1869 driver);
1870 err = -ENOMEM;
1871 goto out;
1872 }
1873
1874 /*
1875 * If available also test the shash API, to cover corner cases that may
1876 * be missed by testing the ahash API only.
1877 */
1878 err = alloc_shash(driver, type, mask, &stfm, &desc);
1879 if (err)
1880 goto out;
1881
1882 tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1883 if (!tsgl || init_test_sglist(tsgl) != 0) {
1884 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1885 driver);
1886 kfree(tsgl);
1887 tsgl = NULL;
1888 err = -ENOMEM;
1889 goto out;
1890 }
1891
1892 statesize = crypto_ahash_statesize(atfm);
1893 if (stfm)
1894 statesize = max(statesize, crypto_shash_statesize(stfm));
1895 hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1896 if (!hashstate) {
1897 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1898 driver);
1899 err = -ENOMEM;
1900 goto out;
1901 }
1902
1903 for (i = 0; i < num_vecs; i++) {
1904 if (fips_enabled && vecs[i].fips_skip)
1905 continue;
1906
1907 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1908 if (err)
1909 goto out;
1910 cond_resched();
1911 }
1912 err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1913 desc, tsgl, hashstate);
1914 out:
1915 kfree(hashstate);
1916 if (tsgl) {
1917 destroy_test_sglist(tsgl);
1918 kfree(tsgl);
1919 }
1920 kfree(desc);
1921 crypto_free_shash(stfm);
1922 ahash_request_free(req);
1923 crypto_free_ahash(atfm);
1924 return err;
1925 }
1926
alg_test_hash(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)1927 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1928 u32 type, u32 mask)
1929 {
1930 const struct hash_testvec *template = desc->suite.hash.vecs;
1931 unsigned int tcount = desc->suite.hash.count;
1932 unsigned int nr_unkeyed, nr_keyed;
1933 unsigned int maxkeysize = 0;
1934 int err;
1935
1936 /*
1937 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1938 * first, before setting a key on the tfm. To make this easier, we
1939 * require that the unkeyed test vectors (if any) are listed first.
1940 */
1941
1942 for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1943 if (template[nr_unkeyed].ksize)
1944 break;
1945 }
1946 for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1947 if (!template[nr_unkeyed + nr_keyed].ksize) {
1948 pr_err("alg: hash: test vectors for %s out of order, "
1949 "unkeyed ones must come first\n", desc->alg);
1950 return -EINVAL;
1951 }
1952 maxkeysize = max_t(unsigned int, maxkeysize,
1953 template[nr_unkeyed + nr_keyed].ksize);
1954 }
1955
1956 err = 0;
1957 if (nr_unkeyed) {
1958 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1959 desc->generic_driver, maxkeysize);
1960 template += nr_unkeyed;
1961 }
1962
1963 if (!err && nr_keyed)
1964 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1965 desc->generic_driver, maxkeysize);
1966
1967 return err;
1968 }
1969
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)1970 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1971 const char *vec_name,
1972 const struct testvec_config *cfg,
1973 struct aead_request *req,
1974 struct cipher_test_sglists *tsgls)
1975 {
1976 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1977 const unsigned int alignmask = crypto_aead_alignmask(tfm);
1978 const unsigned int ivsize = crypto_aead_ivsize(tfm);
1979 const unsigned int authsize = vec->clen - vec->plen;
1980 const char *driver = crypto_aead_driver_name(tfm);
1981 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1982 const char *op = enc ? "encryption" : "decryption";
1983 DECLARE_CRYPTO_WAIT(wait);
1984 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1985 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1986 cfg->iv_offset +
1987 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1988 struct kvec input[2];
1989 int err;
1990
1991 /* Set the key */
1992 if (vec->wk)
1993 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1994 else
1995 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1996
1997 err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1998 cfg, alignmask);
1999 if (err && err != vec->setkey_error) {
2000 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2001 driver, vec_name, vec->setkey_error, err,
2002 crypto_aead_get_flags(tfm));
2003 return err;
2004 }
2005 if (!err && vec->setkey_error) {
2006 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2007 driver, vec_name, vec->setkey_error);
2008 return -EINVAL;
2009 }
2010
2011 /* Set the authentication tag size */
2012 err = crypto_aead_setauthsize(tfm, authsize);
2013 if (err && err != vec->setauthsize_error) {
2014 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2015 driver, vec_name, vec->setauthsize_error, err);
2016 return err;
2017 }
2018 if (!err && vec->setauthsize_error) {
2019 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2020 driver, vec_name, vec->setauthsize_error);
2021 return -EINVAL;
2022 }
2023
2024 if (vec->setkey_error || vec->setauthsize_error)
2025 return 0;
2026
2027 /* The IV must be copied to a buffer, as the algorithm may modify it */
2028 if (WARN_ON(ivsize > MAX_IVLEN))
2029 return -EINVAL;
2030 if (vec->iv)
2031 memcpy(iv, vec->iv, ivsize);
2032 else
2033 memset(iv, 0, ivsize);
2034
2035 /* Build the src/dst scatterlists */
2036 input[0].iov_base = (void *)vec->assoc;
2037 input[0].iov_len = vec->alen;
2038 input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2039 input[1].iov_len = enc ? vec->plen : vec->clen;
2040 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2041 vec->alen + (enc ? vec->plen :
2042 vec->clen),
2043 vec->alen + (enc ? vec->clen :
2044 vec->plen),
2045 input, 2);
2046 if (err) {
2047 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2048 driver, op, vec_name, cfg->name);
2049 return err;
2050 }
2051
2052 /* Do the actual encryption or decryption */
2053 testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2054 aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2055 aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2056 enc ? vec->plen : vec->clen, iv);
2057 aead_request_set_ad(req, vec->alen);
2058 if (cfg->nosimd)
2059 crypto_disable_simd_for_test();
2060 err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2061 if (cfg->nosimd)
2062 crypto_reenable_simd_for_test();
2063 err = crypto_wait_req(err, &wait);
2064
2065 /* Check that the algorithm didn't overwrite things it shouldn't have */
2066 if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2067 req->assoclen != vec->alen ||
2068 req->iv != iv ||
2069 req->src != tsgls->src.sgl_ptr ||
2070 req->dst != tsgls->dst.sgl_ptr ||
2071 crypto_aead_reqtfm(req) != tfm ||
2072 req->base.complete != crypto_req_done ||
2073 req->base.flags != req_flags ||
2074 req->base.data != &wait) {
2075 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2076 driver, op, vec_name, cfg->name);
2077 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2078 pr_err("alg: aead: changed 'req->cryptlen'\n");
2079 if (req->assoclen != vec->alen)
2080 pr_err("alg: aead: changed 'req->assoclen'\n");
2081 if (req->iv != iv)
2082 pr_err("alg: aead: changed 'req->iv'\n");
2083 if (req->src != tsgls->src.sgl_ptr)
2084 pr_err("alg: aead: changed 'req->src'\n");
2085 if (req->dst != tsgls->dst.sgl_ptr)
2086 pr_err("alg: aead: changed 'req->dst'\n");
2087 if (crypto_aead_reqtfm(req) != tfm)
2088 pr_err("alg: aead: changed 'req->base.tfm'\n");
2089 if (req->base.complete != crypto_req_done)
2090 pr_err("alg: aead: changed 'req->base.complete'\n");
2091 if (req->base.flags != req_flags)
2092 pr_err("alg: aead: changed 'req->base.flags'\n");
2093 if (req->base.data != &wait)
2094 pr_err("alg: aead: changed 'req->base.data'\n");
2095 return -EINVAL;
2096 }
2097 if (is_test_sglist_corrupted(&tsgls->src)) {
2098 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2099 driver, op, vec_name, cfg->name);
2100 return -EINVAL;
2101 }
2102 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2103 is_test_sglist_corrupted(&tsgls->dst)) {
2104 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2105 driver, op, vec_name, cfg->name);
2106 return -EINVAL;
2107 }
2108
2109 /* Check for unexpected success or failure, or wrong error code */
2110 if ((err == 0 && vec->novrfy) ||
2111 (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2112 char expected_error[32];
2113
2114 if (vec->novrfy &&
2115 vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2116 sprintf(expected_error, "-EBADMSG or %d",
2117 vec->crypt_error);
2118 else if (vec->novrfy)
2119 sprintf(expected_error, "-EBADMSG");
2120 else
2121 sprintf(expected_error, "%d", vec->crypt_error);
2122 if (err) {
2123 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2124 driver, op, vec_name, expected_error, err,
2125 cfg->name);
2126 return err;
2127 }
2128 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2129 driver, op, vec_name, expected_error, cfg->name);
2130 return -EINVAL;
2131 }
2132 if (err) /* Expectedly failed. */
2133 return 0;
2134
2135 /* Check for the correct output (ciphertext or plaintext) */
2136 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2137 enc ? vec->clen : vec->plen,
2138 vec->alen,
2139 enc || cfg->inplace_mode == OUT_OF_PLACE);
2140 if (err == -EOVERFLOW) {
2141 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2142 driver, op, vec_name, cfg->name);
2143 return err;
2144 }
2145 if (err) {
2146 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2147 driver, op, vec_name, cfg->name);
2148 return err;
2149 }
2150
2151 return 0;
2152 }
2153
test_aead_vec(int enc,const struct aead_testvec * vec,unsigned int vec_num,struct aead_request * req,struct cipher_test_sglists * tsgls)2154 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2155 unsigned int vec_num, struct aead_request *req,
2156 struct cipher_test_sglists *tsgls)
2157 {
2158 char vec_name[16];
2159 unsigned int i;
2160 int err;
2161
2162 if (enc && vec->novrfy)
2163 return 0;
2164
2165 sprintf(vec_name, "%u", vec_num);
2166
2167 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2168 err = test_aead_vec_cfg(enc, vec, vec_name,
2169 &default_cipher_testvec_configs[i],
2170 req, tsgls);
2171 if (err)
2172 return err;
2173 }
2174
2175 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2176 if (!noextratests) {
2177 struct testvec_config cfg;
2178 char cfgname[TESTVEC_CONFIG_NAMELEN];
2179
2180 for (i = 0; i < fuzz_iterations; i++) {
2181 generate_random_testvec_config(&cfg, cfgname,
2182 sizeof(cfgname));
2183 err = test_aead_vec_cfg(enc, vec, vec_name,
2184 &cfg, req, tsgls);
2185 if (err)
2186 return err;
2187 cond_resched();
2188 }
2189 }
2190 #endif
2191 return 0;
2192 }
2193
2194 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2195
2196 struct aead_extra_tests_ctx {
2197 struct aead_request *req;
2198 struct crypto_aead *tfm;
2199 const struct alg_test_desc *test_desc;
2200 struct cipher_test_sglists *tsgls;
2201 unsigned int maxdatasize;
2202 unsigned int maxkeysize;
2203
2204 struct aead_testvec vec;
2205 char vec_name[64];
2206 char cfgname[TESTVEC_CONFIG_NAMELEN];
2207 struct testvec_config cfg;
2208 };
2209
2210 /*
2211 * Make at least one random change to a (ciphertext, AAD) pair. "Ciphertext"
2212 * here means the full ciphertext including the authentication tag. The
2213 * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2214 */
mutate_aead_message(struct aead_testvec * vec,bool aad_iv,unsigned int ivsize)2215 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2216 unsigned int ivsize)
2217 {
2218 const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2219 const unsigned int authsize = vec->clen - vec->plen;
2220
2221 if (prandom_u32_max(2) == 0 && vec->alen > aad_tail_size) {
2222 /* Mutate the AAD */
2223 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2224 if (prandom_u32_max(2) == 0)
2225 return;
2226 }
2227 if (prandom_u32_max(2) == 0) {
2228 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2229 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2230 } else {
2231 /* Mutate any part of the ciphertext */
2232 flip_random_bit((u8 *)vec->ctext, vec->clen);
2233 }
2234 }
2235
2236 /*
2237 * Minimum authentication tag size in bytes at which we assume that we can
2238 * reliably generate inauthentic messages, i.e. not generate an authentic
2239 * message by chance.
2240 */
2241 #define MIN_COLLISION_FREE_AUTHSIZE 8
2242
generate_aead_message(struct aead_request * req,const struct aead_test_suite * suite,struct aead_testvec * vec,bool prefer_inauthentic)2243 static void generate_aead_message(struct aead_request *req,
2244 const struct aead_test_suite *suite,
2245 struct aead_testvec *vec,
2246 bool prefer_inauthentic)
2247 {
2248 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2249 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2250 const unsigned int authsize = vec->clen - vec->plen;
2251 const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2252 (prefer_inauthentic || prandom_u32_max(4) == 0);
2253
2254 /* Generate the AAD. */
2255 generate_random_bytes((u8 *)vec->assoc, vec->alen);
2256 if (suite->aad_iv && vec->alen >= ivsize)
2257 /* Avoid implementation-defined behavior. */
2258 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2259
2260 if (inauthentic && prandom_u32_max(2) == 0) {
2261 /* Generate a random ciphertext. */
2262 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2263 } else {
2264 int i = 0;
2265 struct scatterlist src[2], dst;
2266 u8 iv[MAX_IVLEN];
2267 DECLARE_CRYPTO_WAIT(wait);
2268
2269 /* Generate a random plaintext and encrypt it. */
2270 sg_init_table(src, 2);
2271 if (vec->alen)
2272 sg_set_buf(&src[i++], vec->assoc, vec->alen);
2273 if (vec->plen) {
2274 generate_random_bytes((u8 *)vec->ptext, vec->plen);
2275 sg_set_buf(&src[i++], vec->ptext, vec->plen);
2276 }
2277 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2278 memcpy(iv, vec->iv, ivsize);
2279 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2280 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2281 aead_request_set_ad(req, vec->alen);
2282 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2283 &wait);
2284 /* If encryption failed, we're done. */
2285 if (vec->crypt_error != 0)
2286 return;
2287 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2288 if (!inauthentic)
2289 return;
2290 /*
2291 * Mutate the authentic (ciphertext, AAD) pair to get an
2292 * inauthentic one.
2293 */
2294 mutate_aead_message(vec, suite->aad_iv, ivsize);
2295 }
2296 vec->novrfy = 1;
2297 if (suite->einval_allowed)
2298 vec->crypt_error = -EINVAL;
2299 }
2300
2301 /*
2302 * Generate an AEAD test vector 'vec' using the implementation specified by
2303 * 'req'. The buffers in 'vec' must already be allocated.
2304 *
2305 * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2306 * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2307 */
generate_random_aead_testvec(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)2308 static void generate_random_aead_testvec(struct aead_request *req,
2309 struct aead_testvec *vec,
2310 const struct aead_test_suite *suite,
2311 unsigned int maxkeysize,
2312 unsigned int maxdatasize,
2313 char *name, size_t max_namelen,
2314 bool prefer_inauthentic)
2315 {
2316 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2317 const unsigned int ivsize = crypto_aead_ivsize(tfm);
2318 const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2319 unsigned int authsize;
2320 unsigned int total_len;
2321
2322 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2323 vec->klen = maxkeysize;
2324 if (prandom_u32_max(4) == 0)
2325 vec->klen = prandom_u32_max(maxkeysize + 1);
2326 generate_random_bytes((u8 *)vec->key, vec->klen);
2327 vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2328
2329 /* IV */
2330 generate_random_bytes((u8 *)vec->iv, ivsize);
2331
2332 /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2333 authsize = maxauthsize;
2334 if (prandom_u32_max(4) == 0)
2335 authsize = prandom_u32_max(maxauthsize + 1);
2336 if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2337 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2338 if (WARN_ON(authsize > maxdatasize))
2339 authsize = maxdatasize;
2340 maxdatasize -= authsize;
2341 vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2342
2343 /* AAD, plaintext, and ciphertext lengths */
2344 total_len = generate_random_length(maxdatasize);
2345 if (prandom_u32_max(4) == 0)
2346 vec->alen = 0;
2347 else
2348 vec->alen = generate_random_length(total_len);
2349 vec->plen = total_len - vec->alen;
2350 vec->clen = vec->plen + authsize;
2351
2352 /*
2353 * Generate the AAD, plaintext, and ciphertext. Not applicable if the
2354 * key or the authentication tag size couldn't be set.
2355 */
2356 vec->novrfy = 0;
2357 vec->crypt_error = 0;
2358 if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2359 generate_aead_message(req, suite, vec, prefer_inauthentic);
2360 snprintf(name, max_namelen,
2361 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2362 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2363 }
2364
try_to_generate_inauthentic_testvec(struct aead_extra_tests_ctx * ctx)2365 static void try_to_generate_inauthentic_testvec(
2366 struct aead_extra_tests_ctx *ctx)
2367 {
2368 int i;
2369
2370 for (i = 0; i < 10; i++) {
2371 generate_random_aead_testvec(ctx->req, &ctx->vec,
2372 &ctx->test_desc->suite.aead,
2373 ctx->maxkeysize, ctx->maxdatasize,
2374 ctx->vec_name,
2375 sizeof(ctx->vec_name), true);
2376 if (ctx->vec.novrfy)
2377 return;
2378 }
2379 }
2380
2381 /*
2382 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2383 * result of an encryption with the key) and verify that decryption fails.
2384 */
test_aead_inauthentic_inputs(struct aead_extra_tests_ctx * ctx)2385 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2386 {
2387 unsigned int i;
2388 int err;
2389
2390 for (i = 0; i < fuzz_iterations * 8; i++) {
2391 /*
2392 * Since this part of the tests isn't comparing the
2393 * implementation to another, there's no point in testing any
2394 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2395 *
2396 * If we're having trouble generating such a test vector, e.g.
2397 * if the algorithm keeps rejecting the generated keys, don't
2398 * retry forever; just continue on.
2399 */
2400 try_to_generate_inauthentic_testvec(ctx);
2401 if (ctx->vec.novrfy) {
2402 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2403 sizeof(ctx->cfgname));
2404 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2405 ctx->vec_name, &ctx->cfg,
2406 ctx->req, ctx->tsgls);
2407 if (err)
2408 return err;
2409 }
2410 cond_resched();
2411 }
2412 return 0;
2413 }
2414
2415 /*
2416 * Test the AEAD algorithm against the corresponding generic implementation, if
2417 * one is available.
2418 */
test_aead_vs_generic_impl(struct aead_extra_tests_ctx * ctx)2419 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2420 {
2421 struct crypto_aead *tfm = ctx->tfm;
2422 const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2423 const char *driver = crypto_aead_driver_name(tfm);
2424 const char *generic_driver = ctx->test_desc->generic_driver;
2425 char _generic_driver[CRYPTO_MAX_ALG_NAME];
2426 struct crypto_aead *generic_tfm = NULL;
2427 struct aead_request *generic_req = NULL;
2428 unsigned int i;
2429 int err;
2430
2431 if (!generic_driver) { /* Use default naming convention? */
2432 err = build_generic_driver_name(algname, _generic_driver);
2433 if (err)
2434 return err;
2435 generic_driver = _generic_driver;
2436 }
2437
2438 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2439 return 0;
2440
2441 generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2442 if (IS_ERR(generic_tfm)) {
2443 err = PTR_ERR(generic_tfm);
2444 if (err == -ENOENT) {
2445 pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2446 driver, generic_driver);
2447 return 0;
2448 }
2449 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2450 generic_driver, algname, err);
2451 return err;
2452 }
2453
2454 generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2455 if (!generic_req) {
2456 err = -ENOMEM;
2457 goto out;
2458 }
2459
2460 /* Check the algorithm properties for consistency. */
2461
2462 if (crypto_aead_maxauthsize(tfm) !=
2463 crypto_aead_maxauthsize(generic_tfm)) {
2464 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2465 driver, crypto_aead_maxauthsize(tfm),
2466 crypto_aead_maxauthsize(generic_tfm));
2467 err = -EINVAL;
2468 goto out;
2469 }
2470
2471 if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2472 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2473 driver, crypto_aead_ivsize(tfm),
2474 crypto_aead_ivsize(generic_tfm));
2475 err = -EINVAL;
2476 goto out;
2477 }
2478
2479 if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2480 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2481 driver, crypto_aead_blocksize(tfm),
2482 crypto_aead_blocksize(generic_tfm));
2483 err = -EINVAL;
2484 goto out;
2485 }
2486
2487 /*
2488 * Now generate test vectors using the generic implementation, and test
2489 * the other implementation against them.
2490 */
2491 for (i = 0; i < fuzz_iterations * 8; i++) {
2492 generate_random_aead_testvec(generic_req, &ctx->vec,
2493 &ctx->test_desc->suite.aead,
2494 ctx->maxkeysize, ctx->maxdatasize,
2495 ctx->vec_name,
2496 sizeof(ctx->vec_name), false);
2497 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2498 sizeof(ctx->cfgname));
2499 if (!ctx->vec.novrfy) {
2500 err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2501 ctx->vec_name, &ctx->cfg,
2502 ctx->req, ctx->tsgls);
2503 if (err)
2504 goto out;
2505 }
2506 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2507 err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2508 ctx->vec_name, &ctx->cfg,
2509 ctx->req, ctx->tsgls);
2510 if (err)
2511 goto out;
2512 }
2513 cond_resched();
2514 }
2515 err = 0;
2516 out:
2517 crypto_free_aead(generic_tfm);
2518 aead_request_free(generic_req);
2519 return err;
2520 }
2521
test_aead_extra(const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2522 static int test_aead_extra(const struct alg_test_desc *test_desc,
2523 struct aead_request *req,
2524 struct cipher_test_sglists *tsgls)
2525 {
2526 struct aead_extra_tests_ctx *ctx;
2527 unsigned int i;
2528 int err;
2529
2530 if (noextratests)
2531 return 0;
2532
2533 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2534 if (!ctx)
2535 return -ENOMEM;
2536 ctx->req = req;
2537 ctx->tfm = crypto_aead_reqtfm(req);
2538 ctx->test_desc = test_desc;
2539 ctx->tsgls = tsgls;
2540 ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2541 ctx->maxkeysize = 0;
2542 for (i = 0; i < test_desc->suite.aead.count; i++)
2543 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2544 test_desc->suite.aead.vecs[i].klen);
2545
2546 ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2547 ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2548 ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2549 ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2550 ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2551 if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2552 !ctx->vec.ptext || !ctx->vec.ctext) {
2553 err = -ENOMEM;
2554 goto out;
2555 }
2556
2557 err = test_aead_vs_generic_impl(ctx);
2558 if (err)
2559 goto out;
2560
2561 err = test_aead_inauthentic_inputs(ctx);
2562 out:
2563 kfree(ctx->vec.key);
2564 kfree(ctx->vec.iv);
2565 kfree(ctx->vec.assoc);
2566 kfree(ctx->vec.ptext);
2567 kfree(ctx->vec.ctext);
2568 kfree(ctx);
2569 return err;
2570 }
2571 #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)2572 static int test_aead_extra(const struct alg_test_desc *test_desc,
2573 struct aead_request *req,
2574 struct cipher_test_sglists *tsgls)
2575 {
2576 return 0;
2577 }
2578 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2579
test_aead(int enc,const struct aead_test_suite * suite,struct aead_request * req,struct cipher_test_sglists * tsgls)2580 static int test_aead(int enc, const struct aead_test_suite *suite,
2581 struct aead_request *req,
2582 struct cipher_test_sglists *tsgls)
2583 {
2584 unsigned int i;
2585 int err;
2586
2587 for (i = 0; i < suite->count; i++) {
2588 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2589 if (err)
2590 return err;
2591 cond_resched();
2592 }
2593 return 0;
2594 }
2595
alg_test_aead(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)2596 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2597 u32 type, u32 mask)
2598 {
2599 const struct aead_test_suite *suite = &desc->suite.aead;
2600 struct crypto_aead *tfm;
2601 struct aead_request *req = NULL;
2602 struct cipher_test_sglists *tsgls = NULL;
2603 int err;
2604
2605 if (suite->count <= 0) {
2606 pr_err("alg: aead: empty test suite for %s\n", driver);
2607 return -EINVAL;
2608 }
2609
2610 tfm = crypto_alloc_aead(driver, type, mask);
2611 if (IS_ERR(tfm)) {
2612 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2613 driver, PTR_ERR(tfm));
2614 return PTR_ERR(tfm);
2615 }
2616 driver = crypto_aead_driver_name(tfm);
2617
2618 req = aead_request_alloc(tfm, GFP_KERNEL);
2619 if (!req) {
2620 pr_err("alg: aead: failed to allocate request for %s\n",
2621 driver);
2622 err = -ENOMEM;
2623 goto out;
2624 }
2625
2626 tsgls = alloc_cipher_test_sglists();
2627 if (!tsgls) {
2628 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2629 driver);
2630 err = -ENOMEM;
2631 goto out;
2632 }
2633
2634 err = test_aead(ENCRYPT, suite, req, tsgls);
2635 if (err)
2636 goto out;
2637
2638 err = test_aead(DECRYPT, suite, req, tsgls);
2639 if (err)
2640 goto out;
2641
2642 err = test_aead_extra(desc, req, tsgls);
2643 out:
2644 free_cipher_test_sglists(tsgls);
2645 aead_request_free(req);
2646 crypto_free_aead(tfm);
2647 return err;
2648 }
2649
test_cipher(struct crypto_cipher * tfm,int enc,const struct cipher_testvec * template,unsigned int tcount)2650 static int test_cipher(struct crypto_cipher *tfm, int enc,
2651 const struct cipher_testvec *template,
2652 unsigned int tcount)
2653 {
2654 const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2655 unsigned int i, j, k;
2656 char *q;
2657 const char *e;
2658 const char *input, *result;
2659 void *data;
2660 char *xbuf[XBUFSIZE];
2661 int ret = -ENOMEM;
2662
2663 if (testmgr_alloc_buf(xbuf))
2664 goto out_nobuf;
2665
2666 if (enc == ENCRYPT)
2667 e = "encryption";
2668 else
2669 e = "decryption";
2670
2671 j = 0;
2672 for (i = 0; i < tcount; i++) {
2673
2674 if (fips_enabled && template[i].fips_skip)
2675 continue;
2676
2677 input = enc ? template[i].ptext : template[i].ctext;
2678 result = enc ? template[i].ctext : template[i].ptext;
2679 j++;
2680
2681 ret = -EINVAL;
2682 if (WARN_ON(template[i].len > PAGE_SIZE))
2683 goto out;
2684
2685 data = xbuf[0];
2686 memcpy(data, input, template[i].len);
2687
2688 crypto_cipher_clear_flags(tfm, ~0);
2689 if (template[i].wk)
2690 crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2691
2692 ret = crypto_cipher_setkey(tfm, template[i].key,
2693 template[i].klen);
2694 if (ret) {
2695 if (ret == template[i].setkey_error)
2696 continue;
2697 pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2698 algo, j, template[i].setkey_error, ret,
2699 crypto_cipher_get_flags(tfm));
2700 goto out;
2701 }
2702 if (template[i].setkey_error) {
2703 pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2704 algo, j, template[i].setkey_error);
2705 ret = -EINVAL;
2706 goto out;
2707 }
2708
2709 for (k = 0; k < template[i].len;
2710 k += crypto_cipher_blocksize(tfm)) {
2711 if (enc)
2712 crypto_cipher_encrypt_one(tfm, data + k,
2713 data + k);
2714 else
2715 crypto_cipher_decrypt_one(tfm, data + k,
2716 data + k);
2717 }
2718
2719 q = data;
2720 if (memcmp(q, result, template[i].len)) {
2721 printk(KERN_ERR "alg: cipher: Test %d failed "
2722 "on %s for %s\n", j, e, algo);
2723 hexdump(q, template[i].len);
2724 ret = -EINVAL;
2725 goto out;
2726 }
2727 }
2728
2729 ret = 0;
2730
2731 out:
2732 testmgr_free_buf(xbuf);
2733 out_nobuf:
2734 return ret;
2735 }
2736
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)2737 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2738 const char *vec_name,
2739 const struct testvec_config *cfg,
2740 struct skcipher_request *req,
2741 struct cipher_test_sglists *tsgls)
2742 {
2743 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2744 const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2745 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2746 const char *driver = crypto_skcipher_driver_name(tfm);
2747 const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2748 const char *op = enc ? "encryption" : "decryption";
2749 DECLARE_CRYPTO_WAIT(wait);
2750 u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2751 u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2752 cfg->iv_offset +
2753 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2754 struct kvec input;
2755 int err;
2756
2757 /* Set the key */
2758 if (vec->wk)
2759 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2760 else
2761 crypto_skcipher_clear_flags(tfm,
2762 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2763 err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2764 cfg, alignmask);
2765 if (err) {
2766 if (err == vec->setkey_error)
2767 return 0;
2768 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2769 driver, vec_name, vec->setkey_error, err,
2770 crypto_skcipher_get_flags(tfm));
2771 return err;
2772 }
2773 if (vec->setkey_error) {
2774 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2775 driver, vec_name, vec->setkey_error);
2776 return -EINVAL;
2777 }
2778
2779 /* The IV must be copied to a buffer, as the algorithm may modify it */
2780 if (ivsize) {
2781 if (WARN_ON(ivsize > MAX_IVLEN))
2782 return -EINVAL;
2783 if (vec->generates_iv && !enc)
2784 memcpy(iv, vec->iv_out, ivsize);
2785 else if (vec->iv)
2786 memcpy(iv, vec->iv, ivsize);
2787 else
2788 memset(iv, 0, ivsize);
2789 } else {
2790 if (vec->generates_iv) {
2791 pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2792 driver, vec_name);
2793 return -EINVAL;
2794 }
2795 iv = NULL;
2796 }
2797
2798 /* Build the src/dst scatterlists */
2799 input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2800 input.iov_len = vec->len;
2801 err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2802 vec->len, vec->len, &input, 1);
2803 if (err) {
2804 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2805 driver, op, vec_name, cfg->name);
2806 return err;
2807 }
2808
2809 /* Do the actual encryption or decryption */
2810 testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2811 skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2812 skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2813 vec->len, iv);
2814 if (cfg->nosimd)
2815 crypto_disable_simd_for_test();
2816 err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2817 if (cfg->nosimd)
2818 crypto_reenable_simd_for_test();
2819 err = crypto_wait_req(err, &wait);
2820
2821 /* Check that the algorithm didn't overwrite things it shouldn't have */
2822 if (req->cryptlen != vec->len ||
2823 req->iv != iv ||
2824 req->src != tsgls->src.sgl_ptr ||
2825 req->dst != tsgls->dst.sgl_ptr ||
2826 crypto_skcipher_reqtfm(req) != tfm ||
2827 req->base.complete != crypto_req_done ||
2828 req->base.flags != req_flags ||
2829 req->base.data != &wait) {
2830 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2831 driver, op, vec_name, cfg->name);
2832 if (req->cryptlen != vec->len)
2833 pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2834 if (req->iv != iv)
2835 pr_err("alg: skcipher: changed 'req->iv'\n");
2836 if (req->src != tsgls->src.sgl_ptr)
2837 pr_err("alg: skcipher: changed 'req->src'\n");
2838 if (req->dst != tsgls->dst.sgl_ptr)
2839 pr_err("alg: skcipher: changed 'req->dst'\n");
2840 if (crypto_skcipher_reqtfm(req) != tfm)
2841 pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2842 if (req->base.complete != crypto_req_done)
2843 pr_err("alg: skcipher: changed 'req->base.complete'\n");
2844 if (req->base.flags != req_flags)
2845 pr_err("alg: skcipher: changed 'req->base.flags'\n");
2846 if (req->base.data != &wait)
2847 pr_err("alg: skcipher: changed 'req->base.data'\n");
2848 return -EINVAL;
2849 }
2850 if (is_test_sglist_corrupted(&tsgls->src)) {
2851 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2852 driver, op, vec_name, cfg->name);
2853 return -EINVAL;
2854 }
2855 if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2856 is_test_sglist_corrupted(&tsgls->dst)) {
2857 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2858 driver, op, vec_name, cfg->name);
2859 return -EINVAL;
2860 }
2861
2862 /* Check for success or failure */
2863 if (err) {
2864 if (err == vec->crypt_error)
2865 return 0;
2866 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2867 driver, op, vec_name, vec->crypt_error, err, cfg->name);
2868 return err;
2869 }
2870 if (vec->crypt_error) {
2871 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2872 driver, op, vec_name, vec->crypt_error, cfg->name);
2873 return -EINVAL;
2874 }
2875
2876 /* Check for the correct output (ciphertext or plaintext) */
2877 err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2878 vec->len, 0, true);
2879 if (err == -EOVERFLOW) {
2880 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2881 driver, op, vec_name, cfg->name);
2882 return err;
2883 }
2884 if (err) {
2885 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2886 driver, op, vec_name, cfg->name);
2887 return err;
2888 }
2889
2890 /* If applicable, check that the algorithm generated the correct IV */
2891 if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2892 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2893 driver, op, vec_name, cfg->name);
2894 hexdump(iv, ivsize);
2895 return -EINVAL;
2896 }
2897
2898 return 0;
2899 }
2900
test_skcipher_vec(int enc,const struct cipher_testvec * vec,unsigned int vec_num,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2901 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2902 unsigned int vec_num,
2903 struct skcipher_request *req,
2904 struct cipher_test_sglists *tsgls)
2905 {
2906 char vec_name[16];
2907 unsigned int i;
2908 int err;
2909
2910 if (fips_enabled && vec->fips_skip)
2911 return 0;
2912
2913 sprintf(vec_name, "%u", vec_num);
2914
2915 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2916 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2917 &default_cipher_testvec_configs[i],
2918 req, tsgls);
2919 if (err)
2920 return err;
2921 }
2922
2923 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2924 if (!noextratests) {
2925 struct testvec_config cfg;
2926 char cfgname[TESTVEC_CONFIG_NAMELEN];
2927
2928 for (i = 0; i < fuzz_iterations; i++) {
2929 generate_random_testvec_config(&cfg, cfgname,
2930 sizeof(cfgname));
2931 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2932 &cfg, req, tsgls);
2933 if (err)
2934 return err;
2935 cond_resched();
2936 }
2937 }
2938 #endif
2939 return 0;
2940 }
2941
2942 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2943 /*
2944 * Generate a symmetric cipher test vector from the given implementation.
2945 * Assumes the buffers in 'vec' were already allocated.
2946 */
generate_random_cipher_testvec(struct skcipher_request * req,struct cipher_testvec * vec,unsigned int maxdatasize,char * name,size_t max_namelen)2947 static void generate_random_cipher_testvec(struct skcipher_request *req,
2948 struct cipher_testvec *vec,
2949 unsigned int maxdatasize,
2950 char *name, size_t max_namelen)
2951 {
2952 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2953 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2954 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2955 struct scatterlist src, dst;
2956 u8 iv[MAX_IVLEN];
2957 DECLARE_CRYPTO_WAIT(wait);
2958
2959 /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2960 vec->klen = maxkeysize;
2961 if (prandom_u32_max(4) == 0)
2962 vec->klen = prandom_u32_max(maxkeysize + 1);
2963 generate_random_bytes((u8 *)vec->key, vec->klen);
2964 vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2965
2966 /* IV */
2967 generate_random_bytes((u8 *)vec->iv, ivsize);
2968
2969 /* Plaintext */
2970 vec->len = generate_random_length(maxdatasize);
2971 generate_random_bytes((u8 *)vec->ptext, vec->len);
2972
2973 /* If the key couldn't be set, no need to continue to encrypt. */
2974 if (vec->setkey_error)
2975 goto done;
2976
2977 /* Ciphertext */
2978 sg_init_one(&src, vec->ptext, vec->len);
2979 sg_init_one(&dst, vec->ctext, vec->len);
2980 memcpy(iv, vec->iv, ivsize);
2981 skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2982 skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2983 vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2984 if (vec->crypt_error != 0) {
2985 /*
2986 * The only acceptable error here is for an invalid length, so
2987 * skcipher decryption should fail with the same error too.
2988 * We'll test for this. But to keep the API usage well-defined,
2989 * explicitly initialize the ciphertext buffer too.
2990 */
2991 memset((u8 *)vec->ctext, 0, vec->len);
2992 }
2993 done:
2994 snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2995 vec->len, vec->klen);
2996 }
2997
2998 /*
2999 * Test the skcipher algorithm represented by @req against the corresponding
3000 * generic implementation, if one is available.
3001 */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3002 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3003 struct skcipher_request *req,
3004 struct cipher_test_sglists *tsgls)
3005 {
3006 struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3007 const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3008 const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3009 const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3010 const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3011 const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3012 const char *driver = crypto_skcipher_driver_name(tfm);
3013 char _generic_driver[CRYPTO_MAX_ALG_NAME];
3014 struct crypto_skcipher *generic_tfm = NULL;
3015 struct skcipher_request *generic_req = NULL;
3016 unsigned int i;
3017 struct cipher_testvec vec = { 0 };
3018 char vec_name[64];
3019 struct testvec_config *cfg;
3020 char cfgname[TESTVEC_CONFIG_NAMELEN];
3021 int err;
3022
3023 if (noextratests)
3024 return 0;
3025
3026 /* Keywrap isn't supported here yet as it handles its IV differently. */
3027 if (strncmp(algname, "kw(", 3) == 0)
3028 return 0;
3029
3030 if (!generic_driver) { /* Use default naming convention? */
3031 err = build_generic_driver_name(algname, _generic_driver);
3032 if (err)
3033 return err;
3034 generic_driver = _generic_driver;
3035 }
3036
3037 if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3038 return 0;
3039
3040 generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3041 if (IS_ERR(generic_tfm)) {
3042 err = PTR_ERR(generic_tfm);
3043 if (err == -ENOENT) {
3044 pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3045 driver, generic_driver);
3046 return 0;
3047 }
3048 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3049 generic_driver, algname, err);
3050 return err;
3051 }
3052
3053 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3054 if (!cfg) {
3055 err = -ENOMEM;
3056 goto out;
3057 }
3058
3059 generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3060 if (!generic_req) {
3061 err = -ENOMEM;
3062 goto out;
3063 }
3064
3065 /* Check the algorithm properties for consistency. */
3066
3067 if (crypto_skcipher_min_keysize(tfm) !=
3068 crypto_skcipher_min_keysize(generic_tfm)) {
3069 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3070 driver, crypto_skcipher_min_keysize(tfm),
3071 crypto_skcipher_min_keysize(generic_tfm));
3072 err = -EINVAL;
3073 goto out;
3074 }
3075
3076 if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3077 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3078 driver, maxkeysize,
3079 crypto_skcipher_max_keysize(generic_tfm));
3080 err = -EINVAL;
3081 goto out;
3082 }
3083
3084 if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3085 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3086 driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3087 err = -EINVAL;
3088 goto out;
3089 }
3090
3091 if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3092 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3093 driver, blocksize,
3094 crypto_skcipher_blocksize(generic_tfm));
3095 err = -EINVAL;
3096 goto out;
3097 }
3098
3099 /*
3100 * Now generate test vectors using the generic implementation, and test
3101 * the other implementation against them.
3102 */
3103
3104 vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3105 vec.iv = kmalloc(ivsize, GFP_KERNEL);
3106 vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3107 vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3108 if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3109 err = -ENOMEM;
3110 goto out;
3111 }
3112
3113 for (i = 0; i < fuzz_iterations * 8; i++) {
3114 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3115 vec_name, sizeof(vec_name));
3116 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3117
3118 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3119 cfg, req, tsgls);
3120 if (err)
3121 goto out;
3122 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3123 cfg, req, tsgls);
3124 if (err)
3125 goto out;
3126 cond_resched();
3127 }
3128 err = 0;
3129 out:
3130 kfree(cfg);
3131 kfree(vec.key);
3132 kfree(vec.iv);
3133 kfree(vec.ptext);
3134 kfree(vec.ctext);
3135 crypto_free_skcipher(generic_tfm);
3136 skcipher_request_free(generic_req);
3137 return err;
3138 }
3139 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3140 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3141 struct skcipher_request *req,
3142 struct cipher_test_sglists *tsgls)
3143 {
3144 return 0;
3145 }
3146 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3147
test_skcipher(int enc,const struct cipher_test_suite * suite,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3148 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3149 struct skcipher_request *req,
3150 struct cipher_test_sglists *tsgls)
3151 {
3152 unsigned int i;
3153 int err;
3154
3155 for (i = 0; i < suite->count; i++) {
3156 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3157 if (err)
3158 return err;
3159 cond_resched();
3160 }
3161 return 0;
3162 }
3163
alg_test_skcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3164 static int alg_test_skcipher(const struct alg_test_desc *desc,
3165 const char *driver, u32 type, u32 mask)
3166 {
3167 const struct cipher_test_suite *suite = &desc->suite.cipher;
3168 struct crypto_skcipher *tfm;
3169 struct skcipher_request *req = NULL;
3170 struct cipher_test_sglists *tsgls = NULL;
3171 int err;
3172
3173 if (suite->count <= 0) {
3174 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3175 return -EINVAL;
3176 }
3177
3178 tfm = crypto_alloc_skcipher(driver, type, mask);
3179 if (IS_ERR(tfm)) {
3180 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3181 driver, PTR_ERR(tfm));
3182 return PTR_ERR(tfm);
3183 }
3184 driver = crypto_skcipher_driver_name(tfm);
3185
3186 req = skcipher_request_alloc(tfm, GFP_KERNEL);
3187 if (!req) {
3188 pr_err("alg: skcipher: failed to allocate request for %s\n",
3189 driver);
3190 err = -ENOMEM;
3191 goto out;
3192 }
3193
3194 tsgls = alloc_cipher_test_sglists();
3195 if (!tsgls) {
3196 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3197 driver);
3198 err = -ENOMEM;
3199 goto out;
3200 }
3201
3202 err = test_skcipher(ENCRYPT, suite, req, tsgls);
3203 if (err)
3204 goto out;
3205
3206 err = test_skcipher(DECRYPT, suite, req, tsgls);
3207 if (err)
3208 goto out;
3209
3210 err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3211 out:
3212 free_cipher_test_sglists(tsgls);
3213 skcipher_request_free(req);
3214 crypto_free_skcipher(tfm);
3215 return err;
3216 }
3217
test_comp(struct crypto_comp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3218 static int test_comp(struct crypto_comp *tfm,
3219 const struct comp_testvec *ctemplate,
3220 const struct comp_testvec *dtemplate,
3221 int ctcount, int dtcount)
3222 {
3223 const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3224 char *output, *decomp_output;
3225 unsigned int i;
3226 int ret;
3227
3228 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3229 if (!output)
3230 return -ENOMEM;
3231
3232 decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3233 if (!decomp_output) {
3234 kfree(output);
3235 return -ENOMEM;
3236 }
3237
3238 for (i = 0; i < ctcount; i++) {
3239 int ilen;
3240 unsigned int dlen = COMP_BUF_SIZE;
3241
3242 memset(output, 0, COMP_BUF_SIZE);
3243 memset(decomp_output, 0, COMP_BUF_SIZE);
3244
3245 ilen = ctemplate[i].inlen;
3246 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3247 ilen, output, &dlen);
3248 if (ret) {
3249 printk(KERN_ERR "alg: comp: compression failed "
3250 "on test %d for %s: ret=%d\n", i + 1, algo,
3251 -ret);
3252 goto out;
3253 }
3254
3255 ilen = dlen;
3256 dlen = COMP_BUF_SIZE;
3257 ret = crypto_comp_decompress(tfm, output,
3258 ilen, decomp_output, &dlen);
3259 if (ret) {
3260 pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3261 i + 1, algo, -ret);
3262 goto out;
3263 }
3264
3265 if (dlen != ctemplate[i].inlen) {
3266 printk(KERN_ERR "alg: comp: Compression test %d "
3267 "failed for %s: output len = %d\n", i + 1, algo,
3268 dlen);
3269 ret = -EINVAL;
3270 goto out;
3271 }
3272
3273 if (memcmp(decomp_output, ctemplate[i].input,
3274 ctemplate[i].inlen)) {
3275 pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3276 i + 1, algo);
3277 hexdump(decomp_output, dlen);
3278 ret = -EINVAL;
3279 goto out;
3280 }
3281 }
3282
3283 for (i = 0; i < dtcount; i++) {
3284 int ilen;
3285 unsigned int dlen = COMP_BUF_SIZE;
3286
3287 memset(decomp_output, 0, COMP_BUF_SIZE);
3288
3289 ilen = dtemplate[i].inlen;
3290 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3291 ilen, decomp_output, &dlen);
3292 if (ret) {
3293 printk(KERN_ERR "alg: comp: decompression failed "
3294 "on test %d for %s: ret=%d\n", i + 1, algo,
3295 -ret);
3296 goto out;
3297 }
3298
3299 if (dlen != dtemplate[i].outlen) {
3300 printk(KERN_ERR "alg: comp: Decompression test %d "
3301 "failed for %s: output len = %d\n", i + 1, algo,
3302 dlen);
3303 ret = -EINVAL;
3304 goto out;
3305 }
3306
3307 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3308 printk(KERN_ERR "alg: comp: Decompression test %d "
3309 "failed for %s\n", i + 1, algo);
3310 hexdump(decomp_output, dlen);
3311 ret = -EINVAL;
3312 goto out;
3313 }
3314 }
3315
3316 ret = 0;
3317
3318 out:
3319 kfree(decomp_output);
3320 kfree(output);
3321 return ret;
3322 }
3323
test_acomp(struct crypto_acomp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3324 static int test_acomp(struct crypto_acomp *tfm,
3325 const struct comp_testvec *ctemplate,
3326 const struct comp_testvec *dtemplate,
3327 int ctcount, int dtcount)
3328 {
3329 const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3330 unsigned int i;
3331 char *output, *decomp_out;
3332 int ret;
3333 struct scatterlist src, dst;
3334 struct acomp_req *req;
3335 struct crypto_wait wait;
3336
3337 output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3338 if (!output)
3339 return -ENOMEM;
3340
3341 decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3342 if (!decomp_out) {
3343 kfree(output);
3344 return -ENOMEM;
3345 }
3346
3347 for (i = 0; i < ctcount; i++) {
3348 unsigned int dlen = COMP_BUF_SIZE;
3349 int ilen = ctemplate[i].inlen;
3350 void *input_vec;
3351
3352 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3353 if (!input_vec) {
3354 ret = -ENOMEM;
3355 goto out;
3356 }
3357
3358 memset(output, 0, dlen);
3359 crypto_init_wait(&wait);
3360 sg_init_one(&src, input_vec, ilen);
3361 sg_init_one(&dst, output, dlen);
3362
3363 req = acomp_request_alloc(tfm);
3364 if (!req) {
3365 pr_err("alg: acomp: request alloc failed for %s\n",
3366 algo);
3367 kfree(input_vec);
3368 ret = -ENOMEM;
3369 goto out;
3370 }
3371
3372 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3373 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3374 crypto_req_done, &wait);
3375
3376 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3377 if (ret) {
3378 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3379 i + 1, algo, -ret);
3380 kfree(input_vec);
3381 acomp_request_free(req);
3382 goto out;
3383 }
3384
3385 ilen = req->dlen;
3386 dlen = COMP_BUF_SIZE;
3387 sg_init_one(&src, output, ilen);
3388 sg_init_one(&dst, decomp_out, dlen);
3389 crypto_init_wait(&wait);
3390 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3391
3392 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3393 if (ret) {
3394 pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3395 i + 1, algo, -ret);
3396 kfree(input_vec);
3397 acomp_request_free(req);
3398 goto out;
3399 }
3400
3401 if (req->dlen != ctemplate[i].inlen) {
3402 pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3403 i + 1, algo, req->dlen);
3404 ret = -EINVAL;
3405 kfree(input_vec);
3406 acomp_request_free(req);
3407 goto out;
3408 }
3409
3410 if (memcmp(input_vec, decomp_out, req->dlen)) {
3411 pr_err("alg: acomp: Compression test %d failed for %s\n",
3412 i + 1, algo);
3413 hexdump(output, req->dlen);
3414 ret = -EINVAL;
3415 kfree(input_vec);
3416 acomp_request_free(req);
3417 goto out;
3418 }
3419
3420 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3421 crypto_init_wait(&wait);
3422 sg_init_one(&src, input_vec, ilen);
3423 acomp_request_set_params(req, &src, NULL, ilen, 0);
3424
3425 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3426 if (ret) {
3427 pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3428 i + 1, algo, -ret);
3429 kfree(input_vec);
3430 acomp_request_free(req);
3431 goto out;
3432 }
3433 #endif
3434
3435 kfree(input_vec);
3436 acomp_request_free(req);
3437 }
3438
3439 for (i = 0; i < dtcount; i++) {
3440 unsigned int dlen = COMP_BUF_SIZE;
3441 int ilen = dtemplate[i].inlen;
3442 void *input_vec;
3443
3444 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3445 if (!input_vec) {
3446 ret = -ENOMEM;
3447 goto out;
3448 }
3449
3450 memset(output, 0, dlen);
3451 crypto_init_wait(&wait);
3452 sg_init_one(&src, input_vec, ilen);
3453 sg_init_one(&dst, output, dlen);
3454
3455 req = acomp_request_alloc(tfm);
3456 if (!req) {
3457 pr_err("alg: acomp: request alloc failed for %s\n",
3458 algo);
3459 kfree(input_vec);
3460 ret = -ENOMEM;
3461 goto out;
3462 }
3463
3464 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3465 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3466 crypto_req_done, &wait);
3467
3468 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3469 if (ret) {
3470 pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3471 i + 1, algo, -ret);
3472 kfree(input_vec);
3473 acomp_request_free(req);
3474 goto out;
3475 }
3476
3477 if (req->dlen != dtemplate[i].outlen) {
3478 pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3479 i + 1, algo, req->dlen);
3480 ret = -EINVAL;
3481 kfree(input_vec);
3482 acomp_request_free(req);
3483 goto out;
3484 }
3485
3486 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3487 pr_err("alg: acomp: Decompression test %d failed for %s\n",
3488 i + 1, algo);
3489 hexdump(output, req->dlen);
3490 ret = -EINVAL;
3491 kfree(input_vec);
3492 acomp_request_free(req);
3493 goto out;
3494 }
3495
3496 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3497 crypto_init_wait(&wait);
3498 acomp_request_set_params(req, &src, NULL, ilen, 0);
3499
3500 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3501 if (ret) {
3502 pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3503 i + 1, algo, -ret);
3504 kfree(input_vec);
3505 acomp_request_free(req);
3506 goto out;
3507 }
3508 #endif
3509
3510 kfree(input_vec);
3511 acomp_request_free(req);
3512 }
3513
3514 ret = 0;
3515
3516 out:
3517 kfree(decomp_out);
3518 kfree(output);
3519 return ret;
3520 }
3521
test_cprng(struct crypto_rng * tfm,const struct cprng_testvec * template,unsigned int tcount)3522 static int test_cprng(struct crypto_rng *tfm,
3523 const struct cprng_testvec *template,
3524 unsigned int tcount)
3525 {
3526 const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3527 int err = 0, i, j, seedsize;
3528 u8 *seed;
3529 char result[32];
3530
3531 seedsize = crypto_rng_seedsize(tfm);
3532
3533 seed = kmalloc(seedsize, GFP_KERNEL);
3534 if (!seed) {
3535 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3536 "for %s\n", algo);
3537 return -ENOMEM;
3538 }
3539
3540 for (i = 0; i < tcount; i++) {
3541 memset(result, 0, 32);
3542
3543 memcpy(seed, template[i].v, template[i].vlen);
3544 memcpy(seed + template[i].vlen, template[i].key,
3545 template[i].klen);
3546 memcpy(seed + template[i].vlen + template[i].klen,
3547 template[i].dt, template[i].dtlen);
3548
3549 err = crypto_rng_reset(tfm, seed, seedsize);
3550 if (err) {
3551 printk(KERN_ERR "alg: cprng: Failed to reset rng "
3552 "for %s\n", algo);
3553 goto out;
3554 }
3555
3556 for (j = 0; j < template[i].loops; j++) {
3557 err = crypto_rng_get_bytes(tfm, result,
3558 template[i].rlen);
3559 if (err < 0) {
3560 printk(KERN_ERR "alg: cprng: Failed to obtain "
3561 "the correct amount of random data for "
3562 "%s (requested %d)\n", algo,
3563 template[i].rlen);
3564 goto out;
3565 }
3566 }
3567
3568 err = memcmp(result, template[i].result,
3569 template[i].rlen);
3570 if (err) {
3571 printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3572 i, algo);
3573 hexdump(result, template[i].rlen);
3574 err = -EINVAL;
3575 goto out;
3576 }
3577 }
3578
3579 out:
3580 kfree(seed);
3581 return err;
3582 }
3583
alg_test_cipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3584 static int alg_test_cipher(const struct alg_test_desc *desc,
3585 const char *driver, u32 type, u32 mask)
3586 {
3587 const struct cipher_test_suite *suite = &desc->suite.cipher;
3588 struct crypto_cipher *tfm;
3589 int err;
3590
3591 tfm = crypto_alloc_cipher(driver, type, mask);
3592 if (IS_ERR(tfm)) {
3593 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3594 "%s: %ld\n", driver, PTR_ERR(tfm));
3595 return PTR_ERR(tfm);
3596 }
3597
3598 err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3599 if (!err)
3600 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3601
3602 crypto_free_cipher(tfm);
3603 return err;
3604 }
3605
alg_test_comp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3606 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3607 u32 type, u32 mask)
3608 {
3609 struct crypto_comp *comp;
3610 struct crypto_acomp *acomp;
3611 int err;
3612 u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3613
3614 if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3615 acomp = crypto_alloc_acomp(driver, type, mask);
3616 if (IS_ERR(acomp)) {
3617 pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3618 driver, PTR_ERR(acomp));
3619 return PTR_ERR(acomp);
3620 }
3621 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3622 desc->suite.comp.decomp.vecs,
3623 desc->suite.comp.comp.count,
3624 desc->suite.comp.decomp.count);
3625 crypto_free_acomp(acomp);
3626 } else {
3627 comp = crypto_alloc_comp(driver, type, mask);
3628 if (IS_ERR(comp)) {
3629 pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3630 driver, PTR_ERR(comp));
3631 return PTR_ERR(comp);
3632 }
3633
3634 err = test_comp(comp, desc->suite.comp.comp.vecs,
3635 desc->suite.comp.decomp.vecs,
3636 desc->suite.comp.comp.count,
3637 desc->suite.comp.decomp.count);
3638
3639 crypto_free_comp(comp);
3640 }
3641 return err;
3642 }
3643
alg_test_crc32c(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3644 static int alg_test_crc32c(const struct alg_test_desc *desc,
3645 const char *driver, u32 type, u32 mask)
3646 {
3647 struct crypto_shash *tfm;
3648 __le32 val;
3649 int err;
3650
3651 err = alg_test_hash(desc, driver, type, mask);
3652 if (err)
3653 return err;
3654
3655 tfm = crypto_alloc_shash(driver, type, mask);
3656 if (IS_ERR(tfm)) {
3657 if (PTR_ERR(tfm) == -ENOENT) {
3658 /*
3659 * This crc32c implementation is only available through
3660 * ahash API, not the shash API, so the remaining part
3661 * of the test is not applicable to it.
3662 */
3663 return 0;
3664 }
3665 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3666 "%ld\n", driver, PTR_ERR(tfm));
3667 return PTR_ERR(tfm);
3668 }
3669 driver = crypto_shash_driver_name(tfm);
3670
3671 do {
3672 SHASH_DESC_ON_STACK(shash, tfm);
3673 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3674
3675 shash->tfm = tfm;
3676
3677 *ctx = 420553207;
3678 err = crypto_shash_final(shash, (u8 *)&val);
3679 if (err) {
3680 printk(KERN_ERR "alg: crc32c: Operation failed for "
3681 "%s: %d\n", driver, err);
3682 break;
3683 }
3684
3685 if (val != cpu_to_le32(~420553207)) {
3686 pr_err("alg: crc32c: Test failed for %s: %u\n",
3687 driver, le32_to_cpu(val));
3688 err = -EINVAL;
3689 }
3690 } while (0);
3691
3692 crypto_free_shash(tfm);
3693
3694 return err;
3695 }
3696
alg_test_cprng(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3697 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3698 u32 type, u32 mask)
3699 {
3700 struct crypto_rng *rng;
3701 int err;
3702
3703 rng = crypto_alloc_rng(driver, type, mask);
3704 if (IS_ERR(rng)) {
3705 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3706 "%ld\n", driver, PTR_ERR(rng));
3707 return PTR_ERR(rng);
3708 }
3709
3710 err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3711
3712 crypto_free_rng(rng);
3713
3714 return err;
3715 }
3716
3717
drbg_cavs_test(const struct drbg_testvec * test,int pr,const char * driver,u32 type,u32 mask)3718 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3719 const char *driver, u32 type, u32 mask)
3720 {
3721 int ret = -EAGAIN;
3722 struct crypto_rng *drng;
3723 struct drbg_test_data test_data;
3724 struct drbg_string addtl, pers, testentropy;
3725 unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3726
3727 if (!buf)
3728 return -ENOMEM;
3729
3730 drng = crypto_alloc_rng(driver, type, mask);
3731 if (IS_ERR(drng)) {
3732 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3733 "%s\n", driver);
3734 kfree_sensitive(buf);
3735 return -ENOMEM;
3736 }
3737
3738 test_data.testentropy = &testentropy;
3739 drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3740 drbg_string_fill(&pers, test->pers, test->perslen);
3741 ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3742 if (ret) {
3743 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3744 goto outbuf;
3745 }
3746
3747 drbg_string_fill(&addtl, test->addtla, test->addtllen);
3748 if (pr) {
3749 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3750 ret = crypto_drbg_get_bytes_addtl_test(drng,
3751 buf, test->expectedlen, &addtl, &test_data);
3752 } else {
3753 ret = crypto_drbg_get_bytes_addtl(drng,
3754 buf, test->expectedlen, &addtl);
3755 }
3756 if (ret < 0) {
3757 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3758 "driver %s\n", driver);
3759 goto outbuf;
3760 }
3761
3762 drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3763 if (pr) {
3764 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3765 ret = crypto_drbg_get_bytes_addtl_test(drng,
3766 buf, test->expectedlen, &addtl, &test_data);
3767 } else {
3768 ret = crypto_drbg_get_bytes_addtl(drng,
3769 buf, test->expectedlen, &addtl);
3770 }
3771 if (ret < 0) {
3772 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3773 "driver %s\n", driver);
3774 goto outbuf;
3775 }
3776
3777 ret = memcmp(test->expected, buf, test->expectedlen);
3778
3779 outbuf:
3780 crypto_free_rng(drng);
3781 kfree_sensitive(buf);
3782 return ret;
3783 }
3784
3785
alg_test_drbg(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3786 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3787 u32 type, u32 mask)
3788 {
3789 int err = 0;
3790 int pr = 0;
3791 int i = 0;
3792 const struct drbg_testvec *template = desc->suite.drbg.vecs;
3793 unsigned int tcount = desc->suite.drbg.count;
3794
3795 if (0 == memcmp(driver, "drbg_pr_", 8))
3796 pr = 1;
3797
3798 for (i = 0; i < tcount; i++) {
3799 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3800 if (err) {
3801 printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3802 i, driver);
3803 err = -EINVAL;
3804 break;
3805 }
3806 }
3807 return err;
3808
3809 }
3810
do_test_kpp(struct crypto_kpp * tfm,const struct kpp_testvec * vec,const char * alg)3811 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3812 const char *alg)
3813 {
3814 struct kpp_request *req;
3815 void *input_buf = NULL;
3816 void *output_buf = NULL;
3817 void *a_public = NULL;
3818 void *a_ss = NULL;
3819 void *shared_secret = NULL;
3820 struct crypto_wait wait;
3821 unsigned int out_len_max;
3822 int err = -ENOMEM;
3823 struct scatterlist src, dst;
3824
3825 req = kpp_request_alloc(tfm, GFP_KERNEL);
3826 if (!req)
3827 return err;
3828
3829 crypto_init_wait(&wait);
3830
3831 err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3832 if (err < 0)
3833 goto free_req;
3834
3835 out_len_max = crypto_kpp_maxsize(tfm);
3836 output_buf = kzalloc(out_len_max, GFP_KERNEL);
3837 if (!output_buf) {
3838 err = -ENOMEM;
3839 goto free_req;
3840 }
3841
3842 /* Use appropriate parameter as base */
3843 kpp_request_set_input(req, NULL, 0);
3844 sg_init_one(&dst, output_buf, out_len_max);
3845 kpp_request_set_output(req, &dst, out_len_max);
3846 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3847 crypto_req_done, &wait);
3848
3849 /* Compute party A's public key */
3850 err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3851 if (err) {
3852 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3853 alg, err);
3854 goto free_output;
3855 }
3856
3857 if (vec->genkey) {
3858 /* Save party A's public key */
3859 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3860 if (!a_public) {
3861 err = -ENOMEM;
3862 goto free_output;
3863 }
3864 } else {
3865 /* Verify calculated public key */
3866 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3867 vec->expected_a_public_size)) {
3868 pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3869 alg);
3870 err = -EINVAL;
3871 goto free_output;
3872 }
3873 }
3874
3875 /* Calculate shared secret key by using counter part (b) public key. */
3876 input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3877 if (!input_buf) {
3878 err = -ENOMEM;
3879 goto free_output;
3880 }
3881
3882 sg_init_one(&src, input_buf, vec->b_public_size);
3883 sg_init_one(&dst, output_buf, out_len_max);
3884 kpp_request_set_input(req, &src, vec->b_public_size);
3885 kpp_request_set_output(req, &dst, out_len_max);
3886 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3887 crypto_req_done, &wait);
3888 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3889 if (err) {
3890 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3891 alg, err);
3892 goto free_all;
3893 }
3894
3895 if (vec->genkey) {
3896 /* Save the shared secret obtained by party A */
3897 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3898 if (!a_ss) {
3899 err = -ENOMEM;
3900 goto free_all;
3901 }
3902
3903 /*
3904 * Calculate party B's shared secret by using party A's
3905 * public key.
3906 */
3907 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3908 vec->b_secret_size);
3909 if (err < 0)
3910 goto free_all;
3911
3912 sg_init_one(&src, a_public, vec->expected_a_public_size);
3913 sg_init_one(&dst, output_buf, out_len_max);
3914 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3915 kpp_request_set_output(req, &dst, out_len_max);
3916 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3917 crypto_req_done, &wait);
3918 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3919 &wait);
3920 if (err) {
3921 pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3922 alg, err);
3923 goto free_all;
3924 }
3925
3926 shared_secret = a_ss;
3927 } else {
3928 shared_secret = (void *)vec->expected_ss;
3929 }
3930
3931 /*
3932 * verify shared secret from which the user will derive
3933 * secret key by executing whatever hash it has chosen
3934 */
3935 if (memcmp(shared_secret, sg_virt(req->dst),
3936 vec->expected_ss_size)) {
3937 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3938 alg);
3939 err = -EINVAL;
3940 }
3941
3942 free_all:
3943 kfree(a_ss);
3944 kfree(input_buf);
3945 free_output:
3946 kfree(a_public);
3947 kfree(output_buf);
3948 free_req:
3949 kpp_request_free(req);
3950 return err;
3951 }
3952
test_kpp(struct crypto_kpp * tfm,const char * alg,const struct kpp_testvec * vecs,unsigned int tcount)3953 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3954 const struct kpp_testvec *vecs, unsigned int tcount)
3955 {
3956 int ret, i;
3957
3958 for (i = 0; i < tcount; i++) {
3959 ret = do_test_kpp(tfm, vecs++, alg);
3960 if (ret) {
3961 pr_err("alg: %s: test failed on vector %d, err=%d\n",
3962 alg, i + 1, ret);
3963 return ret;
3964 }
3965 }
3966 return 0;
3967 }
3968
alg_test_kpp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3969 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3970 u32 type, u32 mask)
3971 {
3972 struct crypto_kpp *tfm;
3973 int err = 0;
3974
3975 tfm = crypto_alloc_kpp(driver, type, mask);
3976 if (IS_ERR(tfm)) {
3977 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3978 driver, PTR_ERR(tfm));
3979 return PTR_ERR(tfm);
3980 }
3981 if (desc->suite.kpp.vecs)
3982 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3983 desc->suite.kpp.count);
3984
3985 crypto_free_kpp(tfm);
3986 return err;
3987 }
3988
test_pack_u32(u8 * dst,u32 val)3989 static u8 *test_pack_u32(u8 *dst, u32 val)
3990 {
3991 memcpy(dst, &val, sizeof(val));
3992 return dst + sizeof(val);
3993 }
3994
test_akcipher_one(struct crypto_akcipher * tfm,const struct akcipher_testvec * vecs)3995 static int test_akcipher_one(struct crypto_akcipher *tfm,
3996 const struct akcipher_testvec *vecs)
3997 {
3998 char *xbuf[XBUFSIZE];
3999 struct akcipher_request *req;
4000 void *outbuf_enc = NULL;
4001 void *outbuf_dec = NULL;
4002 struct crypto_wait wait;
4003 unsigned int out_len_max, out_len = 0;
4004 int err = -ENOMEM;
4005 struct scatterlist src, dst, src_tab[3];
4006 const char *m, *c;
4007 unsigned int m_size, c_size;
4008 const char *op;
4009 u8 *key, *ptr;
4010
4011 if (testmgr_alloc_buf(xbuf))
4012 return err;
4013
4014 req = akcipher_request_alloc(tfm, GFP_KERNEL);
4015 if (!req)
4016 goto free_xbuf;
4017
4018 crypto_init_wait(&wait);
4019
4020 key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4021 GFP_KERNEL);
4022 if (!key)
4023 goto free_req;
4024 memcpy(key, vecs->key, vecs->key_len);
4025 ptr = key + vecs->key_len;
4026 ptr = test_pack_u32(ptr, vecs->algo);
4027 ptr = test_pack_u32(ptr, vecs->param_len);
4028 memcpy(ptr, vecs->params, vecs->param_len);
4029
4030 if (vecs->public_key_vec)
4031 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4032 else
4033 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4034 if (err)
4035 goto free_key;
4036
4037 /*
4038 * First run test which do not require a private key, such as
4039 * encrypt or verify.
4040 */
4041 err = -ENOMEM;
4042 out_len_max = crypto_akcipher_maxsize(tfm);
4043 outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4044 if (!outbuf_enc)
4045 goto free_key;
4046
4047 if (!vecs->siggen_sigver_test) {
4048 m = vecs->m;
4049 m_size = vecs->m_size;
4050 c = vecs->c;
4051 c_size = vecs->c_size;
4052 op = "encrypt";
4053 } else {
4054 /* Swap args so we could keep plaintext (digest)
4055 * in vecs->m, and cooked signature in vecs->c.
4056 */
4057 m = vecs->c; /* signature */
4058 m_size = vecs->c_size;
4059 c = vecs->m; /* digest */
4060 c_size = vecs->m_size;
4061 op = "verify";
4062 }
4063
4064 err = -E2BIG;
4065 if (WARN_ON(m_size > PAGE_SIZE))
4066 goto free_all;
4067 memcpy(xbuf[0], m, m_size);
4068
4069 sg_init_table(src_tab, 3);
4070 sg_set_buf(&src_tab[0], xbuf[0], 8);
4071 sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4072 if (vecs->siggen_sigver_test) {
4073 if (WARN_ON(c_size > PAGE_SIZE))
4074 goto free_all;
4075 memcpy(xbuf[1], c, c_size);
4076 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4077 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4078 } else {
4079 sg_init_one(&dst, outbuf_enc, out_len_max);
4080 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4081 out_len_max);
4082 }
4083 akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4084 crypto_req_done, &wait);
4085
4086 err = crypto_wait_req(vecs->siggen_sigver_test ?
4087 /* Run asymmetric signature verification */
4088 crypto_akcipher_verify(req) :
4089 /* Run asymmetric encrypt */
4090 crypto_akcipher_encrypt(req), &wait);
4091 if (err) {
4092 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4093 goto free_all;
4094 }
4095 if (!vecs->siggen_sigver_test && c) {
4096 if (req->dst_len != c_size) {
4097 pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4098 op);
4099 err = -EINVAL;
4100 goto free_all;
4101 }
4102 /* verify that encrypted message is equal to expected */
4103 if (memcmp(c, outbuf_enc, c_size) != 0) {
4104 pr_err("alg: akcipher: %s test failed. Invalid output\n",
4105 op);
4106 hexdump(outbuf_enc, c_size);
4107 err = -EINVAL;
4108 goto free_all;
4109 }
4110 }
4111
4112 /*
4113 * Don't invoke (decrypt or sign) test which require a private key
4114 * for vectors with only a public key.
4115 */
4116 if (vecs->public_key_vec) {
4117 err = 0;
4118 goto free_all;
4119 }
4120 outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4121 if (!outbuf_dec) {
4122 err = -ENOMEM;
4123 goto free_all;
4124 }
4125
4126 if (!vecs->siggen_sigver_test && !c) {
4127 c = outbuf_enc;
4128 c_size = req->dst_len;
4129 }
4130
4131 err = -E2BIG;
4132 op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4133 if (WARN_ON(c_size > PAGE_SIZE))
4134 goto free_all;
4135 memcpy(xbuf[0], c, c_size);
4136
4137 sg_init_one(&src, xbuf[0], c_size);
4138 sg_init_one(&dst, outbuf_dec, out_len_max);
4139 crypto_init_wait(&wait);
4140 akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4141
4142 err = crypto_wait_req(vecs->siggen_sigver_test ?
4143 /* Run asymmetric signature generation */
4144 crypto_akcipher_sign(req) :
4145 /* Run asymmetric decrypt */
4146 crypto_akcipher_decrypt(req), &wait);
4147 if (err) {
4148 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4149 goto free_all;
4150 }
4151 out_len = req->dst_len;
4152 if (out_len < m_size) {
4153 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4154 op, out_len);
4155 err = -EINVAL;
4156 goto free_all;
4157 }
4158 /* verify that decrypted message is equal to the original msg */
4159 if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4160 memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4161 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4162 hexdump(outbuf_dec, out_len);
4163 err = -EINVAL;
4164 }
4165 free_all:
4166 kfree(outbuf_dec);
4167 kfree(outbuf_enc);
4168 free_key:
4169 kfree(key);
4170 free_req:
4171 akcipher_request_free(req);
4172 free_xbuf:
4173 testmgr_free_buf(xbuf);
4174 return err;
4175 }
4176
test_akcipher(struct crypto_akcipher * tfm,const char * alg,const struct akcipher_testvec * vecs,unsigned int tcount)4177 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4178 const struct akcipher_testvec *vecs,
4179 unsigned int tcount)
4180 {
4181 const char *algo =
4182 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4183 int ret, i;
4184
4185 for (i = 0; i < tcount; i++) {
4186 ret = test_akcipher_one(tfm, vecs++);
4187 if (!ret)
4188 continue;
4189
4190 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4191 i + 1, algo, ret);
4192 return ret;
4193 }
4194 return 0;
4195 }
4196
alg_test_akcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4197 static int alg_test_akcipher(const struct alg_test_desc *desc,
4198 const char *driver, u32 type, u32 mask)
4199 {
4200 struct crypto_akcipher *tfm;
4201 int err = 0;
4202
4203 tfm = crypto_alloc_akcipher(driver, type, mask);
4204 if (IS_ERR(tfm)) {
4205 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4206 driver, PTR_ERR(tfm));
4207 return PTR_ERR(tfm);
4208 }
4209 if (desc->suite.akcipher.vecs)
4210 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4211 desc->suite.akcipher.count);
4212
4213 crypto_free_akcipher(tfm);
4214 return err;
4215 }
4216
alg_test_null(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4217 static int alg_test_null(const struct alg_test_desc *desc,
4218 const char *driver, u32 type, u32 mask)
4219 {
4220 return 0;
4221 }
4222
4223 #define ____VECS(tv) .vecs = tv, .count = ARRAY_SIZE(tv)
4224 #define __VECS(tv) { ____VECS(tv) }
4225
4226 /* Please keep this list sorted by algorithm name. */
4227 static const struct alg_test_desc alg_test_descs[] = {
4228 {
4229 .alg = "adiantum(xchacha12,aes)",
4230 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4231 .test = alg_test_skcipher,
4232 .suite = {
4233 .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4234 },
4235 }, {
4236 .alg = "adiantum(xchacha20,aes)",
4237 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4238 .test = alg_test_skcipher,
4239 .suite = {
4240 .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4241 },
4242 }, {
4243 .alg = "aegis128",
4244 .test = alg_test_aead,
4245 .suite = {
4246 .aead = __VECS(aegis128_tv_template)
4247 }
4248 }, {
4249 .alg = "ansi_cprng",
4250 .test = alg_test_cprng,
4251 .suite = {
4252 .cprng = __VECS(ansi_cprng_aes_tv_template)
4253 }
4254 }, {
4255 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4256 .test = alg_test_aead,
4257 .suite = {
4258 .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4259 }
4260 }, {
4261 .alg = "authenc(hmac(sha1),cbc(aes))",
4262 .test = alg_test_aead,
4263 .fips_allowed = 1,
4264 .suite = {
4265 .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4266 }
4267 }, {
4268 .alg = "authenc(hmac(sha1),cbc(des))",
4269 .test = alg_test_aead,
4270 .suite = {
4271 .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4272 }
4273 }, {
4274 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4275 .test = alg_test_aead,
4276 .suite = {
4277 .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4278 }
4279 }, {
4280 .alg = "authenc(hmac(sha1),ctr(aes))",
4281 .test = alg_test_null,
4282 .fips_allowed = 1,
4283 }, {
4284 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4285 .test = alg_test_aead,
4286 .suite = {
4287 .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4288 }
4289 }, {
4290 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4291 .test = alg_test_null,
4292 .fips_allowed = 1,
4293 }, {
4294 .alg = "authenc(hmac(sha224),cbc(des))",
4295 .test = alg_test_aead,
4296 .suite = {
4297 .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4298 }
4299 }, {
4300 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4301 .test = alg_test_aead,
4302 .suite = {
4303 .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4304 }
4305 }, {
4306 .alg = "authenc(hmac(sha256),cbc(aes))",
4307 .test = alg_test_aead,
4308 .fips_allowed = 1,
4309 .suite = {
4310 .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4311 }
4312 }, {
4313 .alg = "authenc(hmac(sha256),cbc(des))",
4314 .test = alg_test_aead,
4315 .suite = {
4316 .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4317 }
4318 }, {
4319 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4320 .test = alg_test_aead,
4321 .suite = {
4322 .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4323 }
4324 }, {
4325 .alg = "authenc(hmac(sha256),ctr(aes))",
4326 .test = alg_test_null,
4327 .fips_allowed = 1,
4328 }, {
4329 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4330 .test = alg_test_null,
4331 .fips_allowed = 1,
4332 }, {
4333 .alg = "authenc(hmac(sha384),cbc(des))",
4334 .test = alg_test_aead,
4335 .suite = {
4336 .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4337 }
4338 }, {
4339 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4340 .test = alg_test_aead,
4341 .suite = {
4342 .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4343 }
4344 }, {
4345 .alg = "authenc(hmac(sha384),ctr(aes))",
4346 .test = alg_test_null,
4347 .fips_allowed = 1,
4348 }, {
4349 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4350 .test = alg_test_null,
4351 .fips_allowed = 1,
4352 }, {
4353 .alg = "authenc(hmac(sha512),cbc(aes))",
4354 .fips_allowed = 1,
4355 .test = alg_test_aead,
4356 .suite = {
4357 .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4358 }
4359 }, {
4360 .alg = "authenc(hmac(sha512),cbc(des))",
4361 .test = alg_test_aead,
4362 .suite = {
4363 .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4364 }
4365 }, {
4366 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4367 .test = alg_test_aead,
4368 .suite = {
4369 .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4370 }
4371 }, {
4372 .alg = "authenc(hmac(sha512),ctr(aes))",
4373 .test = alg_test_null,
4374 .fips_allowed = 1,
4375 }, {
4376 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4377 .test = alg_test_null,
4378 .fips_allowed = 1,
4379 }, {
4380 .alg = "blake2b-160",
4381 .test = alg_test_hash,
4382 .fips_allowed = 0,
4383 .suite = {
4384 .hash = __VECS(blake2b_160_tv_template)
4385 }
4386 }, {
4387 .alg = "blake2b-256",
4388 .test = alg_test_hash,
4389 .fips_allowed = 0,
4390 .suite = {
4391 .hash = __VECS(blake2b_256_tv_template)
4392 }
4393 }, {
4394 .alg = "blake2b-384",
4395 .test = alg_test_hash,
4396 .fips_allowed = 0,
4397 .suite = {
4398 .hash = __VECS(blake2b_384_tv_template)
4399 }
4400 }, {
4401 .alg = "blake2b-512",
4402 .test = alg_test_hash,
4403 .fips_allowed = 0,
4404 .suite = {
4405 .hash = __VECS(blake2b_512_tv_template)
4406 }
4407 }, {
4408 .alg = "cbc(aes)",
4409 .test = alg_test_skcipher,
4410 .fips_allowed = 1,
4411 .suite = {
4412 .cipher = __VECS(aes_cbc_tv_template)
4413 },
4414 }, {
4415 .alg = "cbc(anubis)",
4416 .test = alg_test_skcipher,
4417 .suite = {
4418 .cipher = __VECS(anubis_cbc_tv_template)
4419 },
4420 }, {
4421 .alg = "cbc(aria)",
4422 .test = alg_test_skcipher,
4423 .suite = {
4424 .cipher = __VECS(aria_cbc_tv_template)
4425 },
4426 }, {
4427 .alg = "cbc(blowfish)",
4428 .test = alg_test_skcipher,
4429 .suite = {
4430 .cipher = __VECS(bf_cbc_tv_template)
4431 },
4432 }, {
4433 .alg = "cbc(camellia)",
4434 .test = alg_test_skcipher,
4435 .suite = {
4436 .cipher = __VECS(camellia_cbc_tv_template)
4437 },
4438 }, {
4439 .alg = "cbc(cast5)",
4440 .test = alg_test_skcipher,
4441 .suite = {
4442 .cipher = __VECS(cast5_cbc_tv_template)
4443 },
4444 }, {
4445 .alg = "cbc(cast6)",
4446 .test = alg_test_skcipher,
4447 .suite = {
4448 .cipher = __VECS(cast6_cbc_tv_template)
4449 },
4450 }, {
4451 .alg = "cbc(des)",
4452 .test = alg_test_skcipher,
4453 .suite = {
4454 .cipher = __VECS(des_cbc_tv_template)
4455 },
4456 }, {
4457 .alg = "cbc(des3_ede)",
4458 .test = alg_test_skcipher,
4459 .suite = {
4460 .cipher = __VECS(des3_ede_cbc_tv_template)
4461 },
4462 }, {
4463 /* Same as cbc(aes) except the key is stored in
4464 * hardware secure memory which we reference by index
4465 */
4466 .alg = "cbc(paes)",
4467 .test = alg_test_null,
4468 .fips_allowed = 1,
4469 }, {
4470 /* Same as cbc(sm4) except the key is stored in
4471 * hardware secure memory which we reference by index
4472 */
4473 .alg = "cbc(psm4)",
4474 .test = alg_test_null,
4475 }, {
4476 .alg = "cbc(serpent)",
4477 .test = alg_test_skcipher,
4478 .suite = {
4479 .cipher = __VECS(serpent_cbc_tv_template)
4480 },
4481 }, {
4482 .alg = "cbc(sm4)",
4483 .test = alg_test_skcipher,
4484 .suite = {
4485 .cipher = __VECS(sm4_cbc_tv_template)
4486 }
4487 }, {
4488 .alg = "cbc(twofish)",
4489 .test = alg_test_skcipher,
4490 .suite = {
4491 .cipher = __VECS(tf_cbc_tv_template)
4492 },
4493 }, {
4494 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4495 .alg = "cbc-paes-s390",
4496 .fips_allowed = 1,
4497 .test = alg_test_skcipher,
4498 .suite = {
4499 .cipher = __VECS(aes_cbc_tv_template)
4500 }
4501 }, {
4502 #endif
4503 .alg = "cbcmac(aes)",
4504 .fips_allowed = 1,
4505 .test = alg_test_hash,
4506 .suite = {
4507 .hash = __VECS(aes_cbcmac_tv_template)
4508 }
4509 }, {
4510 .alg = "cbcmac(sm4)",
4511 .test = alg_test_hash,
4512 .suite = {
4513 .hash = __VECS(sm4_cbcmac_tv_template)
4514 }
4515 }, {
4516 .alg = "ccm(aes)",
4517 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4518 .test = alg_test_aead,
4519 .fips_allowed = 1,
4520 .suite = {
4521 .aead = {
4522 ____VECS(aes_ccm_tv_template),
4523 .einval_allowed = 1,
4524 }
4525 }
4526 }, {
4527 .alg = "ccm(sm4)",
4528 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4529 .test = alg_test_aead,
4530 .suite = {
4531 .aead = {
4532 ____VECS(sm4_ccm_tv_template),
4533 .einval_allowed = 1,
4534 }
4535 }
4536 }, {
4537 .alg = "cfb(aes)",
4538 .test = alg_test_skcipher,
4539 .fips_allowed = 1,
4540 .suite = {
4541 .cipher = __VECS(aes_cfb_tv_template)
4542 },
4543 }, {
4544 .alg = "cfb(aria)",
4545 .test = alg_test_skcipher,
4546 .suite = {
4547 .cipher = __VECS(aria_cfb_tv_template)
4548 },
4549 }, {
4550 .alg = "cfb(sm4)",
4551 .test = alg_test_skcipher,
4552 .suite = {
4553 .cipher = __VECS(sm4_cfb_tv_template)
4554 }
4555 }, {
4556 .alg = "chacha20",
4557 .test = alg_test_skcipher,
4558 .suite = {
4559 .cipher = __VECS(chacha20_tv_template)
4560 },
4561 }, {
4562 .alg = "cmac(aes)",
4563 .fips_allowed = 1,
4564 .test = alg_test_hash,
4565 .suite = {
4566 .hash = __VECS(aes_cmac128_tv_template)
4567 }
4568 }, {
4569 .alg = "cmac(des3_ede)",
4570 .test = alg_test_hash,
4571 .suite = {
4572 .hash = __VECS(des3_ede_cmac64_tv_template)
4573 }
4574 }, {
4575 .alg = "cmac(sm4)",
4576 .test = alg_test_hash,
4577 .suite = {
4578 .hash = __VECS(sm4_cmac128_tv_template)
4579 }
4580 }, {
4581 .alg = "compress_null",
4582 .test = alg_test_null,
4583 }, {
4584 .alg = "crc32",
4585 .test = alg_test_hash,
4586 .fips_allowed = 1,
4587 .suite = {
4588 .hash = __VECS(crc32_tv_template)
4589 }
4590 }, {
4591 .alg = "crc32c",
4592 .test = alg_test_crc32c,
4593 .fips_allowed = 1,
4594 .suite = {
4595 .hash = __VECS(crc32c_tv_template)
4596 }
4597 }, {
4598 .alg = "crc64-rocksoft",
4599 .test = alg_test_hash,
4600 .fips_allowed = 1,
4601 .suite = {
4602 .hash = __VECS(crc64_rocksoft_tv_template)
4603 }
4604 }, {
4605 .alg = "crct10dif",
4606 .test = alg_test_hash,
4607 .fips_allowed = 1,
4608 .suite = {
4609 .hash = __VECS(crct10dif_tv_template)
4610 }
4611 }, {
4612 .alg = "ctr(aes)",
4613 .test = alg_test_skcipher,
4614 .fips_allowed = 1,
4615 .suite = {
4616 .cipher = __VECS(aes_ctr_tv_template)
4617 }
4618 }, {
4619 .alg = "ctr(aria)",
4620 .test = alg_test_skcipher,
4621 .suite = {
4622 .cipher = __VECS(aria_ctr_tv_template)
4623 }
4624 }, {
4625 .alg = "ctr(blowfish)",
4626 .test = alg_test_skcipher,
4627 .suite = {
4628 .cipher = __VECS(bf_ctr_tv_template)
4629 }
4630 }, {
4631 .alg = "ctr(camellia)",
4632 .test = alg_test_skcipher,
4633 .suite = {
4634 .cipher = __VECS(camellia_ctr_tv_template)
4635 }
4636 }, {
4637 .alg = "ctr(cast5)",
4638 .test = alg_test_skcipher,
4639 .suite = {
4640 .cipher = __VECS(cast5_ctr_tv_template)
4641 }
4642 }, {
4643 .alg = "ctr(cast6)",
4644 .test = alg_test_skcipher,
4645 .suite = {
4646 .cipher = __VECS(cast6_ctr_tv_template)
4647 }
4648 }, {
4649 .alg = "ctr(des)",
4650 .test = alg_test_skcipher,
4651 .suite = {
4652 .cipher = __VECS(des_ctr_tv_template)
4653 }
4654 }, {
4655 .alg = "ctr(des3_ede)",
4656 .test = alg_test_skcipher,
4657 .suite = {
4658 .cipher = __VECS(des3_ede_ctr_tv_template)
4659 }
4660 }, {
4661 /* Same as ctr(aes) except the key is stored in
4662 * hardware secure memory which we reference by index
4663 */
4664 .alg = "ctr(paes)",
4665 .test = alg_test_null,
4666 .fips_allowed = 1,
4667 }, {
4668
4669 /* Same as ctr(sm4) except the key is stored in
4670 * hardware secure memory which we reference by index
4671 */
4672 .alg = "ctr(psm4)",
4673 .test = alg_test_null,
4674 }, {
4675 .alg = "ctr(serpent)",
4676 .test = alg_test_skcipher,
4677 .suite = {
4678 .cipher = __VECS(serpent_ctr_tv_template)
4679 }
4680 }, {
4681 .alg = "ctr(sm4)",
4682 .test = alg_test_skcipher,
4683 .suite = {
4684 .cipher = __VECS(sm4_ctr_tv_template)
4685 }
4686 }, {
4687 .alg = "ctr(twofish)",
4688 .test = alg_test_skcipher,
4689 .suite = {
4690 .cipher = __VECS(tf_ctr_tv_template)
4691 }
4692 }, {
4693 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4694 .alg = "ctr-paes-s390",
4695 .fips_allowed = 1,
4696 .test = alg_test_skcipher,
4697 .suite = {
4698 .cipher = __VECS(aes_ctr_tv_template)
4699 }
4700 }, {
4701 #endif
4702 .alg = "cts(cbc(aes))",
4703 .test = alg_test_skcipher,
4704 .fips_allowed = 1,
4705 .suite = {
4706 .cipher = __VECS(cts_mode_tv_template)
4707 }
4708 }, {
4709 /* Same as cts(cbc((aes)) except the key is stored in
4710 * hardware secure memory which we reference by index
4711 */
4712 .alg = "cts(cbc(paes))",
4713 .test = alg_test_null,
4714 .fips_allowed = 1,
4715 }, {
4716 .alg = "curve25519",
4717 .test = alg_test_kpp,
4718 .suite = {
4719 .kpp = __VECS(curve25519_tv_template)
4720 }
4721 }, {
4722 .alg = "deflate",
4723 .test = alg_test_comp,
4724 .fips_allowed = 1,
4725 .suite = {
4726 .comp = {
4727 .comp = __VECS(deflate_comp_tv_template),
4728 .decomp = __VECS(deflate_decomp_tv_template)
4729 }
4730 }
4731 }, {
4732 .alg = "dh",
4733 .test = alg_test_kpp,
4734 .suite = {
4735 .kpp = __VECS(dh_tv_template)
4736 }
4737 }, {
4738 .alg = "digest_null",
4739 .test = alg_test_null,
4740 }, {
4741 .alg = "drbg_nopr_ctr_aes128",
4742 .test = alg_test_drbg,
4743 .fips_allowed = 1,
4744 .suite = {
4745 .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4746 }
4747 }, {
4748 .alg = "drbg_nopr_ctr_aes192",
4749 .test = alg_test_drbg,
4750 .fips_allowed = 1,
4751 .suite = {
4752 .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4753 }
4754 }, {
4755 .alg = "drbg_nopr_ctr_aes256",
4756 .test = alg_test_drbg,
4757 .fips_allowed = 1,
4758 .suite = {
4759 .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4760 }
4761 }, {
4762 /*
4763 * There is no need to specifically test the DRBG with every
4764 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4765 */
4766 .alg = "drbg_nopr_hmac_sha1",
4767 .fips_allowed = 1,
4768 .test = alg_test_null,
4769 }, {
4770 .alg = "drbg_nopr_hmac_sha256",
4771 .test = alg_test_drbg,
4772 .fips_allowed = 1,
4773 .suite = {
4774 .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4775 }
4776 }, {
4777 /* covered by drbg_nopr_hmac_sha256 test */
4778 .alg = "drbg_nopr_hmac_sha384",
4779 .fips_allowed = 1,
4780 .test = alg_test_null,
4781 }, {
4782 .alg = "drbg_nopr_hmac_sha512",
4783 .test = alg_test_drbg,
4784 .fips_allowed = 1,
4785 .suite = {
4786 .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4787 }
4788 }, {
4789 .alg = "drbg_nopr_sha1",
4790 .fips_allowed = 1,
4791 .test = alg_test_null,
4792 }, {
4793 .alg = "drbg_nopr_sha256",
4794 .test = alg_test_drbg,
4795 .fips_allowed = 1,
4796 .suite = {
4797 .drbg = __VECS(drbg_nopr_sha256_tv_template)
4798 }
4799 }, {
4800 /* covered by drbg_nopr_sha256 test */
4801 .alg = "drbg_nopr_sha384",
4802 .fips_allowed = 1,
4803 .test = alg_test_null,
4804 }, {
4805 .alg = "drbg_nopr_sha512",
4806 .fips_allowed = 1,
4807 .test = alg_test_null,
4808 }, {
4809 .alg = "drbg_pr_ctr_aes128",
4810 .test = alg_test_drbg,
4811 .fips_allowed = 1,
4812 .suite = {
4813 .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4814 }
4815 }, {
4816 /* covered by drbg_pr_ctr_aes128 test */
4817 .alg = "drbg_pr_ctr_aes192",
4818 .fips_allowed = 1,
4819 .test = alg_test_null,
4820 }, {
4821 .alg = "drbg_pr_ctr_aes256",
4822 .fips_allowed = 1,
4823 .test = alg_test_null,
4824 }, {
4825 .alg = "drbg_pr_hmac_sha1",
4826 .fips_allowed = 1,
4827 .test = alg_test_null,
4828 }, {
4829 .alg = "drbg_pr_hmac_sha256",
4830 .test = alg_test_drbg,
4831 .fips_allowed = 1,
4832 .suite = {
4833 .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4834 }
4835 }, {
4836 /* covered by drbg_pr_hmac_sha256 test */
4837 .alg = "drbg_pr_hmac_sha384",
4838 .fips_allowed = 1,
4839 .test = alg_test_null,
4840 }, {
4841 .alg = "drbg_pr_hmac_sha512",
4842 .test = alg_test_null,
4843 .fips_allowed = 1,
4844 }, {
4845 .alg = "drbg_pr_sha1",
4846 .fips_allowed = 1,
4847 .test = alg_test_null,
4848 }, {
4849 .alg = "drbg_pr_sha256",
4850 .test = alg_test_drbg,
4851 .fips_allowed = 1,
4852 .suite = {
4853 .drbg = __VECS(drbg_pr_sha256_tv_template)
4854 }
4855 }, {
4856 /* covered by drbg_pr_sha256 test */
4857 .alg = "drbg_pr_sha384",
4858 .fips_allowed = 1,
4859 .test = alg_test_null,
4860 }, {
4861 .alg = "drbg_pr_sha512",
4862 .fips_allowed = 1,
4863 .test = alg_test_null,
4864 }, {
4865 .alg = "ecb(aes)",
4866 .test = alg_test_skcipher,
4867 .fips_allowed = 1,
4868 .suite = {
4869 .cipher = __VECS(aes_tv_template)
4870 }
4871 }, {
4872 .alg = "ecb(anubis)",
4873 .test = alg_test_skcipher,
4874 .suite = {
4875 .cipher = __VECS(anubis_tv_template)
4876 }
4877 }, {
4878 .alg = "ecb(arc4)",
4879 .generic_driver = "ecb(arc4)-generic",
4880 .test = alg_test_skcipher,
4881 .suite = {
4882 .cipher = __VECS(arc4_tv_template)
4883 }
4884 }, {
4885 .alg = "ecb(aria)",
4886 .test = alg_test_skcipher,
4887 .suite = {
4888 .cipher = __VECS(aria_tv_template)
4889 }
4890 }, {
4891 .alg = "ecb(blowfish)",
4892 .test = alg_test_skcipher,
4893 .suite = {
4894 .cipher = __VECS(bf_tv_template)
4895 }
4896 }, {
4897 .alg = "ecb(camellia)",
4898 .test = alg_test_skcipher,
4899 .suite = {
4900 .cipher = __VECS(camellia_tv_template)
4901 }
4902 }, {
4903 .alg = "ecb(cast5)",
4904 .test = alg_test_skcipher,
4905 .suite = {
4906 .cipher = __VECS(cast5_tv_template)
4907 }
4908 }, {
4909 .alg = "ecb(cast6)",
4910 .test = alg_test_skcipher,
4911 .suite = {
4912 .cipher = __VECS(cast6_tv_template)
4913 }
4914 }, {
4915 .alg = "ecb(cipher_null)",
4916 .test = alg_test_null,
4917 .fips_allowed = 1,
4918 }, {
4919 .alg = "ecb(des)",
4920 .test = alg_test_skcipher,
4921 .suite = {
4922 .cipher = __VECS(des_tv_template)
4923 }
4924 }, {
4925 .alg = "ecb(des3_ede)",
4926 .test = alg_test_skcipher,
4927 .suite = {
4928 .cipher = __VECS(des3_ede_tv_template)
4929 }
4930 }, {
4931 .alg = "ecb(fcrypt)",
4932 .test = alg_test_skcipher,
4933 .suite = {
4934 .cipher = {
4935 .vecs = fcrypt_pcbc_tv_template,
4936 .count = 1
4937 }
4938 }
4939 }, {
4940 .alg = "ecb(khazad)",
4941 .test = alg_test_skcipher,
4942 .suite = {
4943 .cipher = __VECS(khazad_tv_template)
4944 }
4945 }, {
4946 /* Same as ecb(aes) except the key is stored in
4947 * hardware secure memory which we reference by index
4948 */
4949 .alg = "ecb(paes)",
4950 .test = alg_test_null,
4951 .fips_allowed = 1,
4952 }, {
4953 .alg = "ecb(seed)",
4954 .test = alg_test_skcipher,
4955 .suite = {
4956 .cipher = __VECS(seed_tv_template)
4957 }
4958 }, {
4959 .alg = "ecb(serpent)",
4960 .test = alg_test_skcipher,
4961 .suite = {
4962 .cipher = __VECS(serpent_tv_template)
4963 }
4964 }, {
4965 .alg = "ecb(sm4)",
4966 .test = alg_test_skcipher,
4967 .suite = {
4968 .cipher = __VECS(sm4_tv_template)
4969 }
4970 }, {
4971 .alg = "ecb(tea)",
4972 .test = alg_test_skcipher,
4973 .suite = {
4974 .cipher = __VECS(tea_tv_template)
4975 }
4976 }, {
4977 .alg = "ecb(twofish)",
4978 .test = alg_test_skcipher,
4979 .suite = {
4980 .cipher = __VECS(tf_tv_template)
4981 }
4982 }, {
4983 .alg = "ecb(xeta)",
4984 .test = alg_test_skcipher,
4985 .suite = {
4986 .cipher = __VECS(xeta_tv_template)
4987 }
4988 }, {
4989 .alg = "ecb(xtea)",
4990 .test = alg_test_skcipher,
4991 .suite = {
4992 .cipher = __VECS(xtea_tv_template)
4993 }
4994 }, {
4995 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4996 .alg = "ecb-paes-s390",
4997 .fips_allowed = 1,
4998 .test = alg_test_skcipher,
4999 .suite = {
5000 .cipher = __VECS(aes_tv_template)
5001 }
5002 }, {
5003 #endif
5004 .alg = "ecdh-nist-p192",
5005 .test = alg_test_kpp,
5006 .suite = {
5007 .kpp = __VECS(ecdh_p192_tv_template)
5008 }
5009 }, {
5010 .alg = "ecdh-nist-p256",
5011 .test = alg_test_kpp,
5012 .fips_allowed = 1,
5013 .suite = {
5014 .kpp = __VECS(ecdh_p256_tv_template)
5015 }
5016 }, {
5017 .alg = "ecdh-nist-p384",
5018 .test = alg_test_kpp,
5019 .fips_allowed = 1,
5020 .suite = {
5021 .kpp = __VECS(ecdh_p384_tv_template)
5022 }
5023 }, {
5024 .alg = "ecdsa-nist-p192",
5025 .test = alg_test_akcipher,
5026 .suite = {
5027 .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5028 }
5029 }, {
5030 .alg = "ecdsa-nist-p256",
5031 .test = alg_test_akcipher,
5032 .suite = {
5033 .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5034 }
5035 }, {
5036 .alg = "ecdsa-nist-p384",
5037 .test = alg_test_akcipher,
5038 .suite = {
5039 .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5040 }
5041 }, {
5042 .alg = "ecrdsa",
5043 .test = alg_test_akcipher,
5044 .suite = {
5045 .akcipher = __VECS(ecrdsa_tv_template)
5046 }
5047 }, {
5048 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5049 .test = alg_test_aead,
5050 .fips_allowed = 1,
5051 .suite = {
5052 .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5053 }
5054 }, {
5055 .alg = "essiv(cbc(aes),sha256)",
5056 .test = alg_test_skcipher,
5057 .fips_allowed = 1,
5058 .suite = {
5059 .cipher = __VECS(essiv_aes_cbc_tv_template)
5060 }
5061 }, {
5062 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5063 .alg = "ffdhe2048(dh)",
5064 .test = alg_test_kpp,
5065 .fips_allowed = 1,
5066 .suite = {
5067 .kpp = __VECS(ffdhe2048_dh_tv_template)
5068 }
5069 }, {
5070 .alg = "ffdhe3072(dh)",
5071 .test = alg_test_kpp,
5072 .fips_allowed = 1,
5073 .suite = {
5074 .kpp = __VECS(ffdhe3072_dh_tv_template)
5075 }
5076 }, {
5077 .alg = "ffdhe4096(dh)",
5078 .test = alg_test_kpp,
5079 .fips_allowed = 1,
5080 .suite = {
5081 .kpp = __VECS(ffdhe4096_dh_tv_template)
5082 }
5083 }, {
5084 .alg = "ffdhe6144(dh)",
5085 .test = alg_test_kpp,
5086 .fips_allowed = 1,
5087 .suite = {
5088 .kpp = __VECS(ffdhe6144_dh_tv_template)
5089 }
5090 }, {
5091 .alg = "ffdhe8192(dh)",
5092 .test = alg_test_kpp,
5093 .fips_allowed = 1,
5094 .suite = {
5095 .kpp = __VECS(ffdhe8192_dh_tv_template)
5096 }
5097 }, {
5098 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5099 .alg = "gcm(aes)",
5100 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5101 .test = alg_test_aead,
5102 .fips_allowed = 1,
5103 .suite = {
5104 .aead = __VECS(aes_gcm_tv_template)
5105 }
5106 }, {
5107 .alg = "gcm(aria)",
5108 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5109 .test = alg_test_aead,
5110 .suite = {
5111 .aead = __VECS(aria_gcm_tv_template)
5112 }
5113 }, {
5114 .alg = "gcm(sm4)",
5115 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5116 .test = alg_test_aead,
5117 .suite = {
5118 .aead = __VECS(sm4_gcm_tv_template)
5119 }
5120 }, {
5121 .alg = "ghash",
5122 .test = alg_test_hash,
5123 .fips_allowed = 1,
5124 .suite = {
5125 .hash = __VECS(ghash_tv_template)
5126 }
5127 }, {
5128 .alg = "hctr2(aes)",
5129 .generic_driver =
5130 "hctr2_base(xctr(aes-generic),polyval-generic)",
5131 .test = alg_test_skcipher,
5132 .suite = {
5133 .cipher = __VECS(aes_hctr2_tv_template)
5134 }
5135 }, {
5136 .alg = "hmac(md5)",
5137 .test = alg_test_hash,
5138 .suite = {
5139 .hash = __VECS(hmac_md5_tv_template)
5140 }
5141 }, {
5142 .alg = "hmac(rmd160)",
5143 .test = alg_test_hash,
5144 .suite = {
5145 .hash = __VECS(hmac_rmd160_tv_template)
5146 }
5147 }, {
5148 .alg = "hmac(sha1)",
5149 .test = alg_test_hash,
5150 .fips_allowed = 1,
5151 .suite = {
5152 .hash = __VECS(hmac_sha1_tv_template)
5153 }
5154 }, {
5155 .alg = "hmac(sha224)",
5156 .test = alg_test_hash,
5157 .fips_allowed = 1,
5158 .suite = {
5159 .hash = __VECS(hmac_sha224_tv_template)
5160 }
5161 }, {
5162 .alg = "hmac(sha256)",
5163 .test = alg_test_hash,
5164 .fips_allowed = 1,
5165 .suite = {
5166 .hash = __VECS(hmac_sha256_tv_template)
5167 }
5168 }, {
5169 .alg = "hmac(sha3-224)",
5170 .test = alg_test_hash,
5171 .fips_allowed = 1,
5172 .suite = {
5173 .hash = __VECS(hmac_sha3_224_tv_template)
5174 }
5175 }, {
5176 .alg = "hmac(sha3-256)",
5177 .test = alg_test_hash,
5178 .fips_allowed = 1,
5179 .suite = {
5180 .hash = __VECS(hmac_sha3_256_tv_template)
5181 }
5182 }, {
5183 .alg = "hmac(sha3-384)",
5184 .test = alg_test_hash,
5185 .fips_allowed = 1,
5186 .suite = {
5187 .hash = __VECS(hmac_sha3_384_tv_template)
5188 }
5189 }, {
5190 .alg = "hmac(sha3-512)",
5191 .test = alg_test_hash,
5192 .fips_allowed = 1,
5193 .suite = {
5194 .hash = __VECS(hmac_sha3_512_tv_template)
5195 }
5196 }, {
5197 .alg = "hmac(sha384)",
5198 .test = alg_test_hash,
5199 .fips_allowed = 1,
5200 .suite = {
5201 .hash = __VECS(hmac_sha384_tv_template)
5202 }
5203 }, {
5204 .alg = "hmac(sha512)",
5205 .test = alg_test_hash,
5206 .fips_allowed = 1,
5207 .suite = {
5208 .hash = __VECS(hmac_sha512_tv_template)
5209 }
5210 }, {
5211 .alg = "hmac(sm3)",
5212 .test = alg_test_hash,
5213 .suite = {
5214 .hash = __VECS(hmac_sm3_tv_template)
5215 }
5216 }, {
5217 .alg = "hmac(streebog256)",
5218 .test = alg_test_hash,
5219 .suite = {
5220 .hash = __VECS(hmac_streebog256_tv_template)
5221 }
5222 }, {
5223 .alg = "hmac(streebog512)",
5224 .test = alg_test_hash,
5225 .suite = {
5226 .hash = __VECS(hmac_streebog512_tv_template)
5227 }
5228 }, {
5229 .alg = "jitterentropy_rng",
5230 .fips_allowed = 1,
5231 .test = alg_test_null,
5232 }, {
5233 .alg = "kw(aes)",
5234 .test = alg_test_skcipher,
5235 .fips_allowed = 1,
5236 .suite = {
5237 .cipher = __VECS(aes_kw_tv_template)
5238 }
5239 }, {
5240 .alg = "lrw(aes)",
5241 .generic_driver = "lrw(ecb(aes-generic))",
5242 .test = alg_test_skcipher,
5243 .suite = {
5244 .cipher = __VECS(aes_lrw_tv_template)
5245 }
5246 }, {
5247 .alg = "lrw(camellia)",
5248 .generic_driver = "lrw(ecb(camellia-generic))",
5249 .test = alg_test_skcipher,
5250 .suite = {
5251 .cipher = __VECS(camellia_lrw_tv_template)
5252 }
5253 }, {
5254 .alg = "lrw(cast6)",
5255 .generic_driver = "lrw(ecb(cast6-generic))",
5256 .test = alg_test_skcipher,
5257 .suite = {
5258 .cipher = __VECS(cast6_lrw_tv_template)
5259 }
5260 }, {
5261 .alg = "lrw(serpent)",
5262 .generic_driver = "lrw(ecb(serpent-generic))",
5263 .test = alg_test_skcipher,
5264 .suite = {
5265 .cipher = __VECS(serpent_lrw_tv_template)
5266 }
5267 }, {
5268 .alg = "lrw(twofish)",
5269 .generic_driver = "lrw(ecb(twofish-generic))",
5270 .test = alg_test_skcipher,
5271 .suite = {
5272 .cipher = __VECS(tf_lrw_tv_template)
5273 }
5274 }, {
5275 .alg = "lz4",
5276 .test = alg_test_comp,
5277 .fips_allowed = 1,
5278 .suite = {
5279 .comp = {
5280 .comp = __VECS(lz4_comp_tv_template),
5281 .decomp = __VECS(lz4_decomp_tv_template)
5282 }
5283 }
5284 }, {
5285 .alg = "lz4hc",
5286 .test = alg_test_comp,
5287 .fips_allowed = 1,
5288 .suite = {
5289 .comp = {
5290 .comp = __VECS(lz4hc_comp_tv_template),
5291 .decomp = __VECS(lz4hc_decomp_tv_template)
5292 }
5293 }
5294 }, {
5295 .alg = "lzo",
5296 .test = alg_test_comp,
5297 .fips_allowed = 1,
5298 .suite = {
5299 .comp = {
5300 .comp = __VECS(lzo_comp_tv_template),
5301 .decomp = __VECS(lzo_decomp_tv_template)
5302 }
5303 }
5304 }, {
5305 .alg = "lzo-rle",
5306 .test = alg_test_comp,
5307 .fips_allowed = 1,
5308 .suite = {
5309 .comp = {
5310 .comp = __VECS(lzorle_comp_tv_template),
5311 .decomp = __VECS(lzorle_decomp_tv_template)
5312 }
5313 }
5314 }, {
5315 .alg = "md4",
5316 .test = alg_test_hash,
5317 .suite = {
5318 .hash = __VECS(md4_tv_template)
5319 }
5320 }, {
5321 .alg = "md5",
5322 .test = alg_test_hash,
5323 .suite = {
5324 .hash = __VECS(md5_tv_template)
5325 }
5326 }, {
5327 .alg = "michael_mic",
5328 .test = alg_test_hash,
5329 .suite = {
5330 .hash = __VECS(michael_mic_tv_template)
5331 }
5332 }, {
5333 .alg = "nhpoly1305",
5334 .test = alg_test_hash,
5335 .suite = {
5336 .hash = __VECS(nhpoly1305_tv_template)
5337 }
5338 }, {
5339 .alg = "ofb(aes)",
5340 .test = alg_test_skcipher,
5341 .fips_allowed = 1,
5342 .suite = {
5343 .cipher = __VECS(aes_ofb_tv_template)
5344 }
5345 }, {
5346 /* Same as ofb(aes) except the key is stored in
5347 * hardware secure memory which we reference by index
5348 */
5349 .alg = "ofb(paes)",
5350 .test = alg_test_null,
5351 .fips_allowed = 1,
5352 }, {
5353 .alg = "ofb(sm4)",
5354 .test = alg_test_skcipher,
5355 .suite = {
5356 .cipher = __VECS(sm4_ofb_tv_template)
5357 }
5358 }, {
5359 .alg = "pcbc(fcrypt)",
5360 .test = alg_test_skcipher,
5361 .suite = {
5362 .cipher = __VECS(fcrypt_pcbc_tv_template)
5363 }
5364 }, {
5365 .alg = "pkcs1pad(rsa,sha224)",
5366 .test = alg_test_null,
5367 .fips_allowed = 1,
5368 }, {
5369 .alg = "pkcs1pad(rsa,sha256)",
5370 .test = alg_test_akcipher,
5371 .fips_allowed = 1,
5372 .suite = {
5373 .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5374 }
5375 }, {
5376 .alg = "pkcs1pad(rsa,sha384)",
5377 .test = alg_test_null,
5378 .fips_allowed = 1,
5379 }, {
5380 .alg = "pkcs1pad(rsa,sha512)",
5381 .test = alg_test_null,
5382 .fips_allowed = 1,
5383 }, {
5384 .alg = "poly1305",
5385 .test = alg_test_hash,
5386 .suite = {
5387 .hash = __VECS(poly1305_tv_template)
5388 }
5389 }, {
5390 .alg = "polyval",
5391 .test = alg_test_hash,
5392 .suite = {
5393 .hash = __VECS(polyval_tv_template)
5394 }
5395 }, {
5396 .alg = "rfc3686(ctr(aes))",
5397 .test = alg_test_skcipher,
5398 .fips_allowed = 1,
5399 .suite = {
5400 .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5401 }
5402 }, {
5403 .alg = "rfc3686(ctr(sm4))",
5404 .test = alg_test_skcipher,
5405 .suite = {
5406 .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5407 }
5408 }, {
5409 .alg = "rfc4106(gcm(aes))",
5410 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5411 .test = alg_test_aead,
5412 .fips_allowed = 1,
5413 .suite = {
5414 .aead = {
5415 ____VECS(aes_gcm_rfc4106_tv_template),
5416 .einval_allowed = 1,
5417 .aad_iv = 1,
5418 }
5419 }
5420 }, {
5421 .alg = "rfc4309(ccm(aes))",
5422 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5423 .test = alg_test_aead,
5424 .fips_allowed = 1,
5425 .suite = {
5426 .aead = {
5427 ____VECS(aes_ccm_rfc4309_tv_template),
5428 .einval_allowed = 1,
5429 .aad_iv = 1,
5430 }
5431 }
5432 }, {
5433 .alg = "rfc4543(gcm(aes))",
5434 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5435 .test = alg_test_aead,
5436 .suite = {
5437 .aead = {
5438 ____VECS(aes_gcm_rfc4543_tv_template),
5439 .einval_allowed = 1,
5440 .aad_iv = 1,
5441 }
5442 }
5443 }, {
5444 .alg = "rfc7539(chacha20,poly1305)",
5445 .test = alg_test_aead,
5446 .suite = {
5447 .aead = __VECS(rfc7539_tv_template)
5448 }
5449 }, {
5450 .alg = "rfc7539esp(chacha20,poly1305)",
5451 .test = alg_test_aead,
5452 .suite = {
5453 .aead = {
5454 ____VECS(rfc7539esp_tv_template),
5455 .einval_allowed = 1,
5456 .aad_iv = 1,
5457 }
5458 }
5459 }, {
5460 .alg = "rmd160",
5461 .test = alg_test_hash,
5462 .suite = {
5463 .hash = __VECS(rmd160_tv_template)
5464 }
5465 }, {
5466 .alg = "rsa",
5467 .test = alg_test_akcipher,
5468 .fips_allowed = 1,
5469 .suite = {
5470 .akcipher = __VECS(rsa_tv_template)
5471 }
5472 }, {
5473 .alg = "sha1",
5474 .test = alg_test_hash,
5475 .fips_allowed = 1,
5476 .suite = {
5477 .hash = __VECS(sha1_tv_template)
5478 }
5479 }, {
5480 .alg = "sha224",
5481 .test = alg_test_hash,
5482 .fips_allowed = 1,
5483 .suite = {
5484 .hash = __VECS(sha224_tv_template)
5485 }
5486 }, {
5487 .alg = "sha256",
5488 .test = alg_test_hash,
5489 .fips_allowed = 1,
5490 .suite = {
5491 .hash = __VECS(sha256_tv_template)
5492 }
5493 }, {
5494 .alg = "sha3-224",
5495 .test = alg_test_hash,
5496 .fips_allowed = 1,
5497 .suite = {
5498 .hash = __VECS(sha3_224_tv_template)
5499 }
5500 }, {
5501 .alg = "sha3-256",
5502 .test = alg_test_hash,
5503 .fips_allowed = 1,
5504 .suite = {
5505 .hash = __VECS(sha3_256_tv_template)
5506 }
5507 }, {
5508 .alg = "sha3-384",
5509 .test = alg_test_hash,
5510 .fips_allowed = 1,
5511 .suite = {
5512 .hash = __VECS(sha3_384_tv_template)
5513 }
5514 }, {
5515 .alg = "sha3-512",
5516 .test = alg_test_hash,
5517 .fips_allowed = 1,
5518 .suite = {
5519 .hash = __VECS(sha3_512_tv_template)
5520 }
5521 }, {
5522 .alg = "sha384",
5523 .test = alg_test_hash,
5524 .fips_allowed = 1,
5525 .suite = {
5526 .hash = __VECS(sha384_tv_template)
5527 }
5528 }, {
5529 .alg = "sha512",
5530 .test = alg_test_hash,
5531 .fips_allowed = 1,
5532 .suite = {
5533 .hash = __VECS(sha512_tv_template)
5534 }
5535 }, {
5536 .alg = "sm2",
5537 .test = alg_test_akcipher,
5538 .suite = {
5539 .akcipher = __VECS(sm2_tv_template)
5540 }
5541 }, {
5542 .alg = "sm3",
5543 .test = alg_test_hash,
5544 .suite = {
5545 .hash = __VECS(sm3_tv_template)
5546 }
5547 }, {
5548 .alg = "streebog256",
5549 .test = alg_test_hash,
5550 .suite = {
5551 .hash = __VECS(streebog256_tv_template)
5552 }
5553 }, {
5554 .alg = "streebog512",
5555 .test = alg_test_hash,
5556 .suite = {
5557 .hash = __VECS(streebog512_tv_template)
5558 }
5559 }, {
5560 .alg = "vmac64(aes)",
5561 .test = alg_test_hash,
5562 .suite = {
5563 .hash = __VECS(vmac64_aes_tv_template)
5564 }
5565 }, {
5566 .alg = "wp256",
5567 .test = alg_test_hash,
5568 .suite = {
5569 .hash = __VECS(wp256_tv_template)
5570 }
5571 }, {
5572 .alg = "wp384",
5573 .test = alg_test_hash,
5574 .suite = {
5575 .hash = __VECS(wp384_tv_template)
5576 }
5577 }, {
5578 .alg = "wp512",
5579 .test = alg_test_hash,
5580 .suite = {
5581 .hash = __VECS(wp512_tv_template)
5582 }
5583 }, {
5584 .alg = "xcbc(aes)",
5585 .test = alg_test_hash,
5586 .suite = {
5587 .hash = __VECS(aes_xcbc128_tv_template)
5588 }
5589 }, {
5590 .alg = "xchacha12",
5591 .test = alg_test_skcipher,
5592 .suite = {
5593 .cipher = __VECS(xchacha12_tv_template)
5594 },
5595 }, {
5596 .alg = "xchacha20",
5597 .test = alg_test_skcipher,
5598 .suite = {
5599 .cipher = __VECS(xchacha20_tv_template)
5600 },
5601 }, {
5602 .alg = "xctr(aes)",
5603 .test = alg_test_skcipher,
5604 .suite = {
5605 .cipher = __VECS(aes_xctr_tv_template)
5606 }
5607 }, {
5608 .alg = "xts(aes)",
5609 .generic_driver = "xts(ecb(aes-generic))",
5610 .test = alg_test_skcipher,
5611 .fips_allowed = 1,
5612 .suite = {
5613 .cipher = __VECS(aes_xts_tv_template)
5614 }
5615 }, {
5616 .alg = "xts(camellia)",
5617 .generic_driver = "xts(ecb(camellia-generic))",
5618 .test = alg_test_skcipher,
5619 .suite = {
5620 .cipher = __VECS(camellia_xts_tv_template)
5621 }
5622 }, {
5623 .alg = "xts(cast6)",
5624 .generic_driver = "xts(ecb(cast6-generic))",
5625 .test = alg_test_skcipher,
5626 .suite = {
5627 .cipher = __VECS(cast6_xts_tv_template)
5628 }
5629 }, {
5630 /* Same as xts(aes) except the key is stored in
5631 * hardware secure memory which we reference by index
5632 */
5633 .alg = "xts(paes)",
5634 .test = alg_test_null,
5635 .fips_allowed = 1,
5636 }, {
5637 .alg = "xts(serpent)",
5638 .generic_driver = "xts(ecb(serpent-generic))",
5639 .test = alg_test_skcipher,
5640 .suite = {
5641 .cipher = __VECS(serpent_xts_tv_template)
5642 }
5643 }, {
5644 .alg = "xts(twofish)",
5645 .generic_driver = "xts(ecb(twofish-generic))",
5646 .test = alg_test_skcipher,
5647 .suite = {
5648 .cipher = __VECS(tf_xts_tv_template)
5649 }
5650 }, {
5651 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5652 .alg = "xts-paes-s390",
5653 .fips_allowed = 1,
5654 .test = alg_test_skcipher,
5655 .suite = {
5656 .cipher = __VECS(aes_xts_tv_template)
5657 }
5658 }, {
5659 #endif
5660 .alg = "xts4096(paes)",
5661 .test = alg_test_null,
5662 .fips_allowed = 1,
5663 }, {
5664 .alg = "xts512(paes)",
5665 .test = alg_test_null,
5666 .fips_allowed = 1,
5667 }, {
5668 .alg = "xxhash64",
5669 .test = alg_test_hash,
5670 .fips_allowed = 1,
5671 .suite = {
5672 .hash = __VECS(xxhash64_tv_template)
5673 }
5674 }, {
5675 .alg = "zlib-deflate",
5676 .test = alg_test_comp,
5677 .fips_allowed = 1,
5678 .suite = {
5679 .comp = {
5680 .comp = __VECS(zlib_deflate_comp_tv_template),
5681 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5682 }
5683 }
5684 }, {
5685 .alg = "zstd",
5686 .test = alg_test_comp,
5687 .fips_allowed = 1,
5688 .suite = {
5689 .comp = {
5690 .comp = __VECS(zstd_comp_tv_template),
5691 .decomp = __VECS(zstd_decomp_tv_template)
5692 }
5693 }
5694 }
5695 };
5696
alg_check_test_descs_order(void)5697 static void alg_check_test_descs_order(void)
5698 {
5699 int i;
5700
5701 for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5702 int diff = strcmp(alg_test_descs[i - 1].alg,
5703 alg_test_descs[i].alg);
5704
5705 if (WARN_ON(diff > 0)) {
5706 pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5707 alg_test_descs[i - 1].alg,
5708 alg_test_descs[i].alg);
5709 }
5710
5711 if (WARN_ON(diff == 0)) {
5712 pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5713 alg_test_descs[i].alg);
5714 }
5715 }
5716 }
5717
alg_check_testvec_configs(void)5718 static void alg_check_testvec_configs(void)
5719 {
5720 int i;
5721
5722 for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5723 WARN_ON(!valid_testvec_config(
5724 &default_cipher_testvec_configs[i]));
5725
5726 for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5727 WARN_ON(!valid_testvec_config(
5728 &default_hash_testvec_configs[i]));
5729 }
5730
testmgr_onetime_init(void)5731 static void testmgr_onetime_init(void)
5732 {
5733 alg_check_test_descs_order();
5734 alg_check_testvec_configs();
5735
5736 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5737 pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n");
5738 #endif
5739 }
5740
alg_find_test(const char * alg)5741 static int alg_find_test(const char *alg)
5742 {
5743 int start = 0;
5744 int end = ARRAY_SIZE(alg_test_descs);
5745
5746 while (start < end) {
5747 int i = (start + end) / 2;
5748 int diff = strcmp(alg_test_descs[i].alg, alg);
5749
5750 if (diff > 0) {
5751 end = i;
5752 continue;
5753 }
5754
5755 if (diff < 0) {
5756 start = i + 1;
5757 continue;
5758 }
5759
5760 return i;
5761 }
5762
5763 return -1;
5764 }
5765
alg_fips_disabled(const char * driver,const char * alg)5766 static int alg_fips_disabled(const char *driver, const char *alg)
5767 {
5768 pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5769
5770 return -ECANCELED;
5771 }
5772
alg_test(const char * driver,const char * alg,u32 type,u32 mask)5773 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5774 {
5775 int i;
5776 int j;
5777 int rc;
5778
5779 if (!fips_enabled && notests) {
5780 printk_once(KERN_INFO "alg: self-tests disabled\n");
5781 return 0;
5782 }
5783
5784 DO_ONCE(testmgr_onetime_init);
5785
5786 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5787 char nalg[CRYPTO_MAX_ALG_NAME];
5788
5789 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5790 sizeof(nalg))
5791 return -ENAMETOOLONG;
5792
5793 i = alg_find_test(nalg);
5794 if (i < 0)
5795 goto notest;
5796
5797 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5798 goto non_fips_alg;
5799
5800 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5801 goto test_done;
5802 }
5803
5804 i = alg_find_test(alg);
5805 j = alg_find_test(driver);
5806 if (i < 0 && j < 0)
5807 goto notest;
5808
5809 if (fips_enabled) {
5810 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5811 return -EINVAL;
5812
5813 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5814 goto non_fips_alg;
5815 }
5816
5817 rc = 0;
5818 if (i >= 0)
5819 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5820 type, mask);
5821 if (j >= 0 && j != i)
5822 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5823 type, mask);
5824
5825 test_done:
5826 if (rc) {
5827 if (fips_enabled || panic_on_fail) {
5828 fips_fail_notify();
5829 panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5830 driver, alg,
5831 fips_enabled ? "fips" : "panic_on_fail");
5832 }
5833 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5834 alg, driver, rc);
5835 WARN(rc != -ENOENT,
5836 "alg: self-tests for %s using %s failed (rc=%d)",
5837 alg, driver, rc);
5838 } else {
5839 if (fips_enabled)
5840 pr_info("alg: self-tests for %s (%s) passed\n",
5841 driver, alg);
5842 }
5843
5844 return rc;
5845
5846 notest:
5847 printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5848
5849 if (type & CRYPTO_ALG_FIPS_INTERNAL)
5850 return alg_fips_disabled(driver, alg);
5851
5852 return 0;
5853 non_fips_alg:
5854 return alg_fips_disabled(driver, alg);
5855 }
5856
5857 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5858
5859 EXPORT_SYMBOL_GPL(alg_test);
5860