Merge tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[platform/kernel/linux-starfive.git] / crypto / testmgr.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Algorithm testing framework and tests.
4  *
5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7  * Copyright (c) 2007 Nokia Siemens Networks
8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9  * Copyright (c) 2019 Google LLC
10  *
11  * Updated RFC4106 AES-GCM testing.
12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13  *             Adrian Hoban <adrian.hoban@intel.com>
14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
15  *             Tadeusz Struk (tadeusz.struk@intel.com)
16  *    Copyright (c) 2010, Intel Corporation.
17  */
18
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38
39 #include "internal.h"
40
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 #endif
59
60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
61
62 /* a perfect nop */
63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
64 {
65         return 0;
66 }
67
68 #else
69
70 #include "testmgr.h"
71
72 /*
73  * Need slab memory for testing (size in number of pages).
74  */
75 #define XBUFSIZE        8
76
77 /*
78 * Used by test_cipher()
79 */
80 #define ENCRYPT 1
81 #define DECRYPT 0
82
83 struct aead_test_suite {
84         const struct aead_testvec *vecs;
85         unsigned int count;
86
87         /*
88          * Set if trying to decrypt an inauthentic ciphertext with this
89          * algorithm might result in EINVAL rather than EBADMSG, due to other
90          * validation the algorithm does on the inputs such as length checks.
91          */
92         unsigned int einval_allowed : 1;
93
94         /*
95          * Set if this algorithm requires that the IV be located at the end of
96          * the AAD buffer, in addition to being given in the normal way.  The
97          * behavior when the two IV copies differ is implementation-defined.
98          */
99         unsigned int aad_iv : 1;
100 };
101
102 struct cipher_test_suite {
103         const struct cipher_testvec *vecs;
104         unsigned int count;
105 };
106
107 struct comp_test_suite {
108         struct {
109                 const struct comp_testvec *vecs;
110                 unsigned int count;
111         } comp, decomp;
112 };
113
114 struct hash_test_suite {
115         const struct hash_testvec *vecs;
116         unsigned int count;
117 };
118
119 struct cprng_test_suite {
120         const struct cprng_testvec *vecs;
121         unsigned int count;
122 };
123
124 struct drbg_test_suite {
125         const struct drbg_testvec *vecs;
126         unsigned int count;
127 };
128
129 struct akcipher_test_suite {
130         const struct akcipher_testvec *vecs;
131         unsigned int count;
132 };
133
134 struct kpp_test_suite {
135         const struct kpp_testvec *vecs;
136         unsigned int count;
137 };
138
139 struct alg_test_desc {
140         const char *alg;
141         const char *generic_driver;
142         int (*test)(const struct alg_test_desc *desc, const char *driver,
143                     u32 type, u32 mask);
144         int fips_allowed;       /* set if alg is allowed in fips mode */
145
146         union {
147                 struct aead_test_suite aead;
148                 struct cipher_test_suite cipher;
149                 struct comp_test_suite comp;
150                 struct hash_test_suite hash;
151                 struct cprng_test_suite cprng;
152                 struct drbg_test_suite drbg;
153                 struct akcipher_test_suite akcipher;
154                 struct kpp_test_suite kpp;
155         } suite;
156 };
157
158 static void hexdump(unsigned char *buf, unsigned int len)
159 {
160         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
161                         16, 1,
162                         buf, len, false);
163 }
164
165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
166 {
167         int i;
168
169         for (i = 0; i < XBUFSIZE; i++) {
170                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
171                 if (!buf[i])
172                         goto err_free_buf;
173         }
174
175         return 0;
176
177 err_free_buf:
178         while (i-- > 0)
179                 free_pages((unsigned long)buf[i], order);
180
181         return -ENOMEM;
182 }
183
184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
185 {
186         return __testmgr_alloc_buf(buf, 0);
187 }
188
189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
190 {
191         int i;
192
193         for (i = 0; i < XBUFSIZE; i++)
194                 free_pages((unsigned long)buf[i], order);
195 }
196
197 static void testmgr_free_buf(char *buf[XBUFSIZE])
198 {
199         __testmgr_free_buf(buf, 0);
200 }
201
202 #define TESTMGR_POISON_BYTE     0xfe
203 #define TESTMGR_POISON_LEN      16
204
205 static inline void testmgr_poison(void *addr, size_t len)
206 {
207         memset(addr, TESTMGR_POISON_BYTE, len);
208 }
209
210 /* Is the memory region still fully poisoned? */
211 static inline bool testmgr_is_poison(const void *addr, size_t len)
212 {
213         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
214 }
215
216 /* flush type for hash algorithms */
217 enum flush_type {
218         /* merge with update of previous buffer(s) */
219         FLUSH_TYPE_NONE = 0,
220
221         /* update with previous buffer(s) before doing this one */
222         FLUSH_TYPE_FLUSH,
223
224         /* likewise, but also export and re-import the intermediate state */
225         FLUSH_TYPE_REIMPORT,
226 };
227
228 /* finalization function for hash algorithms */
229 enum finalization_type {
230         FINALIZATION_TYPE_FINAL,        /* use final() */
231         FINALIZATION_TYPE_FINUP,        /* use finup() */
232         FINALIZATION_TYPE_DIGEST,       /* use digest() */
233 };
234
235 #define TEST_SG_TOTAL   10000
236
237 /**
238  * struct test_sg_division - description of a scatterlist entry
239  *
240  * This struct describes one entry of a scatterlist being constructed to check a
241  * crypto test vector.
242  *
243  * @proportion_of_total: length of this chunk relative to the total length,
244  *                       given as a proportion out of TEST_SG_TOTAL so that it
245  *                       scales to fit any test vector
246  * @offset: byte offset into a 2-page buffer at which this chunk will start
247  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
248  *                                @offset
249  * @flush_type: for hashes, whether an update() should be done now vs.
250  *              continuing to accumulate data
251  * @nosimd: if doing the pending update(), do it with SIMD disabled?
252  */
253 struct test_sg_division {
254         unsigned int proportion_of_total;
255         unsigned int offset;
256         bool offset_relative_to_alignmask;
257         enum flush_type flush_type;
258         bool nosimd;
259 };
260
261 /**
262  * struct testvec_config - configuration for testing a crypto test vector
263  *
264  * This struct describes the data layout and other parameters with which each
265  * crypto test vector can be tested.
266  *
267  * @name: name of this config, logged for debugging purposes if a test fails
268  * @inplace: operate on the data in-place, if applicable for the algorithm type?
269  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
270  * @src_divs: description of how to arrange the source scatterlist
271  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
272  *            for the algorithm type.  Defaults to @src_divs if unset.
273  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
274  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
275  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
276  *                                   the @iv_offset
277  * @key_offset: misalignment of the key, where 0 is default alignment
278  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
279  *                                    the @key_offset
280  * @finalization_type: what finalization function to use for hashes
281  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
282  */
283 struct testvec_config {
284         const char *name;
285         bool inplace;
286         u32 req_flags;
287         struct test_sg_division src_divs[XBUFSIZE];
288         struct test_sg_division dst_divs[XBUFSIZE];
289         unsigned int iv_offset;
290         unsigned int key_offset;
291         bool iv_offset_relative_to_alignmask;
292         bool key_offset_relative_to_alignmask;
293         enum finalization_type finalization_type;
294         bool nosimd;
295 };
296
297 #define TESTVEC_CONFIG_NAMELEN  192
298
299 /*
300  * The following are the lists of testvec_configs to test for each algorithm
301  * type when the basic crypto self-tests are enabled, i.e. when
302  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
303  * coverage, while keeping the test time much shorter than the full fuzz tests
304  * so that the basic tests can be enabled in a wider range of circumstances.
305  */
306
307 /* Configs for skciphers and aeads */
308 static const struct testvec_config default_cipher_testvec_configs[] = {
309         {
310                 .name = "in-place",
311                 .inplace = true,
312                 .src_divs = { { .proportion_of_total = 10000 } },
313         }, {
314                 .name = "out-of-place",
315                 .src_divs = { { .proportion_of_total = 10000 } },
316         }, {
317                 .name = "unaligned buffer, offset=1",
318                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
319                 .iv_offset = 1,
320                 .key_offset = 1,
321         }, {
322                 .name = "buffer aligned only to alignmask",
323                 .src_divs = {
324                         {
325                                 .proportion_of_total = 10000,
326                                 .offset = 1,
327                                 .offset_relative_to_alignmask = true,
328                         },
329                 },
330                 .iv_offset = 1,
331                 .iv_offset_relative_to_alignmask = true,
332                 .key_offset = 1,
333                 .key_offset_relative_to_alignmask = true,
334         }, {
335                 .name = "two even aligned splits",
336                 .src_divs = {
337                         { .proportion_of_total = 5000 },
338                         { .proportion_of_total = 5000 },
339                 },
340         }, {
341                 .name = "uneven misaligned splits, may sleep",
342                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
343                 .src_divs = {
344                         { .proportion_of_total = 1900, .offset = 33 },
345                         { .proportion_of_total = 3300, .offset = 7  },
346                         { .proportion_of_total = 4800, .offset = 18 },
347                 },
348                 .iv_offset = 3,
349                 .key_offset = 3,
350         }, {
351                 .name = "misaligned splits crossing pages, inplace",
352                 .inplace = true,
353                 .src_divs = {
354                         {
355                                 .proportion_of_total = 7500,
356                                 .offset = PAGE_SIZE - 32
357                         }, {
358                                 .proportion_of_total = 2500,
359                                 .offset = PAGE_SIZE - 7
360                         },
361                 },
362         }
363 };
364
365 static const struct testvec_config default_hash_testvec_configs[] = {
366         {
367                 .name = "init+update+final aligned buffer",
368                 .src_divs = { { .proportion_of_total = 10000 } },
369                 .finalization_type = FINALIZATION_TYPE_FINAL,
370         }, {
371                 .name = "init+finup aligned buffer",
372                 .src_divs = { { .proportion_of_total = 10000 } },
373                 .finalization_type = FINALIZATION_TYPE_FINUP,
374         }, {
375                 .name = "digest aligned buffer",
376                 .src_divs = { { .proportion_of_total = 10000 } },
377                 .finalization_type = FINALIZATION_TYPE_DIGEST,
378         }, {
379                 .name = "init+update+final misaligned buffer",
380                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
381                 .finalization_type = FINALIZATION_TYPE_FINAL,
382                 .key_offset = 1,
383         }, {
384                 .name = "digest buffer aligned only to alignmask",
385                 .src_divs = {
386                         {
387                                 .proportion_of_total = 10000,
388                                 .offset = 1,
389                                 .offset_relative_to_alignmask = true,
390                         },
391                 },
392                 .finalization_type = FINALIZATION_TYPE_DIGEST,
393                 .key_offset = 1,
394                 .key_offset_relative_to_alignmask = true,
395         }, {
396                 .name = "init+update+update+final two even splits",
397                 .src_divs = {
398                         { .proportion_of_total = 5000 },
399                         {
400                                 .proportion_of_total = 5000,
401                                 .flush_type = FLUSH_TYPE_FLUSH,
402                         },
403                 },
404                 .finalization_type = FINALIZATION_TYPE_FINAL,
405         }, {
406                 .name = "digest uneven misaligned splits, may sleep",
407                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
408                 .src_divs = {
409                         { .proportion_of_total = 1900, .offset = 33 },
410                         { .proportion_of_total = 3300, .offset = 7  },
411                         { .proportion_of_total = 4800, .offset = 18 },
412                 },
413                 .finalization_type = FINALIZATION_TYPE_DIGEST,
414         }, {
415                 .name = "digest misaligned splits crossing pages",
416                 .src_divs = {
417                         {
418                                 .proportion_of_total = 7500,
419                                 .offset = PAGE_SIZE - 32,
420                         }, {
421                                 .proportion_of_total = 2500,
422                                 .offset = PAGE_SIZE - 7,
423                         },
424                 },
425                 .finalization_type = FINALIZATION_TYPE_DIGEST,
426         }, {
427                 .name = "import/export",
428                 .src_divs = {
429                         {
430                                 .proportion_of_total = 6500,
431                                 .flush_type = FLUSH_TYPE_REIMPORT,
432                         }, {
433                                 .proportion_of_total = 3500,
434                                 .flush_type = FLUSH_TYPE_REIMPORT,
435                         },
436                 },
437                 .finalization_type = FINALIZATION_TYPE_FINAL,
438         }
439 };
440
441 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
442 {
443         unsigned int remaining = TEST_SG_TOTAL;
444         unsigned int ndivs = 0;
445
446         do {
447                 remaining -= divs[ndivs++].proportion_of_total;
448         } while (remaining);
449
450         return ndivs;
451 }
452
453 #define SGDIVS_HAVE_FLUSHES     BIT(0)
454 #define SGDIVS_HAVE_NOSIMD      BIT(1)
455
456 static bool valid_sg_divisions(const struct test_sg_division *divs,
457                                unsigned int count, int *flags_ret)
458 {
459         unsigned int total = 0;
460         unsigned int i;
461
462         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
463                 if (divs[i].proportion_of_total <= 0 ||
464                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
465                         return false;
466                 total += divs[i].proportion_of_total;
467                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
468                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
469                 if (divs[i].nosimd)
470                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
471         }
472         return total == TEST_SG_TOTAL &&
473                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
474 }
475
476 /*
477  * Check whether the given testvec_config is valid.  This isn't strictly needed
478  * since every testvec_config should be valid, but check anyway so that people
479  * don't unknowingly add broken configs that don't do what they wanted.
480  */
481 static bool valid_testvec_config(const struct testvec_config *cfg)
482 {
483         int flags = 0;
484
485         if (cfg->name == NULL)
486                 return false;
487
488         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
489                                 &flags))
490                 return false;
491
492         if (cfg->dst_divs[0].proportion_of_total) {
493                 if (!valid_sg_divisions(cfg->dst_divs,
494                                         ARRAY_SIZE(cfg->dst_divs), &flags))
495                         return false;
496         } else {
497                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
498                         return false;
499                 /* defaults to dst_divs=src_divs */
500         }
501
502         if (cfg->iv_offset +
503             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
504             MAX_ALGAPI_ALIGNMASK + 1)
505                 return false;
506
507         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
508             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
509                 return false;
510
511         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
512             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
513                 return false;
514
515         return true;
516 }
517
518 struct test_sglist {
519         char *bufs[XBUFSIZE];
520         struct scatterlist sgl[XBUFSIZE];
521         struct scatterlist sgl_saved[XBUFSIZE];
522         struct scatterlist *sgl_ptr;
523         unsigned int nents;
524 };
525
526 static int init_test_sglist(struct test_sglist *tsgl)
527 {
528         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
529 }
530
531 static void destroy_test_sglist(struct test_sglist *tsgl)
532 {
533         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
534 }
535
536 /**
537  * build_test_sglist() - build a scatterlist for a crypto test
538  *
539  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
540  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
541  * @divs: the layout specification on which the scatterlist will be based
542  * @alignmask: the algorithm's alignmask
543  * @total_len: the total length of the scatterlist to build in bytes
544  * @data: if non-NULL, the buffers will be filled with this data until it ends.
545  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
546  *        past the end of each buffer will be poisoned to help detect overruns.
547  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
548  *            corresponds will be returned here.  This will match @divs except
549  *            that divisions resolving to a length of 0 are omitted as they are
550  *            not included in the scatterlist.
551  *
552  * Return: 0 or a -errno value
553  */
554 static int build_test_sglist(struct test_sglist *tsgl,
555                              const struct test_sg_division *divs,
556                              const unsigned int alignmask,
557                              const unsigned int total_len,
558                              struct iov_iter *data,
559                              const struct test_sg_division *out_divs[XBUFSIZE])
560 {
561         struct {
562                 const struct test_sg_division *div;
563                 size_t length;
564         } partitions[XBUFSIZE];
565         const unsigned int ndivs = count_test_sg_divisions(divs);
566         unsigned int len_remaining = total_len;
567         unsigned int i;
568
569         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
570         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
571                 return -EINVAL;
572
573         /* Calculate the (div, length) pairs */
574         tsgl->nents = 0;
575         for (i = 0; i < ndivs; i++) {
576                 unsigned int len_this_sg =
577                         min(len_remaining,
578                             (total_len * divs[i].proportion_of_total +
579                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
580
581                 if (len_this_sg != 0) {
582                         partitions[tsgl->nents].div = &divs[i];
583                         partitions[tsgl->nents].length = len_this_sg;
584                         tsgl->nents++;
585                         len_remaining -= len_this_sg;
586                 }
587         }
588         if (tsgl->nents == 0) {
589                 partitions[tsgl->nents].div = &divs[0];
590                 partitions[tsgl->nents].length = 0;
591                 tsgl->nents++;
592         }
593         partitions[tsgl->nents - 1].length += len_remaining;
594
595         /* Set up the sgl entries and fill the data or poison */
596         sg_init_table(tsgl->sgl, tsgl->nents);
597         for (i = 0; i < tsgl->nents; i++) {
598                 unsigned int offset = partitions[i].div->offset;
599                 void *addr;
600
601                 if (partitions[i].div->offset_relative_to_alignmask)
602                         offset += alignmask;
603
604                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
605                        2 * PAGE_SIZE) {
606                         if (WARN_ON(offset <= 0))
607                                 return -EINVAL;
608                         offset /= 2;
609                 }
610
611                 addr = &tsgl->bufs[i][offset];
612                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
613
614                 if (out_divs)
615                         out_divs[i] = partitions[i].div;
616
617                 if (data) {
618                         size_t copy_len, copied;
619
620                         copy_len = min(partitions[i].length, data->count);
621                         copied = copy_from_iter(addr, copy_len, data);
622                         if (WARN_ON(copied != copy_len))
623                                 return -EINVAL;
624                         testmgr_poison(addr + copy_len, partitions[i].length +
625                                        TESTMGR_POISON_LEN - copy_len);
626                 } else {
627                         testmgr_poison(addr, partitions[i].length +
628                                        TESTMGR_POISON_LEN);
629                 }
630         }
631
632         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
633         tsgl->sgl_ptr = tsgl->sgl;
634         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
635         return 0;
636 }
637
638 /*
639  * Verify that a scatterlist crypto operation produced the correct output.
640  *
641  * @tsgl: scatterlist containing the actual output
642  * @expected_output: buffer containing the expected output
643  * @len_to_check: length of @expected_output in bytes
644  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
645  * @check_poison: verify that the poison bytes after each chunk are intact?
646  *
647  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
648  */
649 static int verify_correct_output(const struct test_sglist *tsgl,
650                                  const char *expected_output,
651                                  unsigned int len_to_check,
652                                  unsigned int unchecked_prefix_len,
653                                  bool check_poison)
654 {
655         unsigned int i;
656
657         for (i = 0; i < tsgl->nents; i++) {
658                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
659                 unsigned int len = sg->length;
660                 unsigned int offset = sg->offset;
661                 const char *actual_output;
662
663                 if (unchecked_prefix_len) {
664                         if (unchecked_prefix_len >= len) {
665                                 unchecked_prefix_len -= len;
666                                 continue;
667                         }
668                         offset += unchecked_prefix_len;
669                         len -= unchecked_prefix_len;
670                         unchecked_prefix_len = 0;
671                 }
672                 len = min(len, len_to_check);
673                 actual_output = page_address(sg_page(sg)) + offset;
674                 if (memcmp(expected_output, actual_output, len) != 0)
675                         return -EINVAL;
676                 if (check_poison &&
677                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
678                         return -EOVERFLOW;
679                 len_to_check -= len;
680                 expected_output += len;
681         }
682         if (WARN_ON(len_to_check != 0))
683                 return -EINVAL;
684         return 0;
685 }
686
687 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
688 {
689         unsigned int i;
690
691         for (i = 0; i < tsgl->nents; i++) {
692                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
693                         return true;
694                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
695                         return true;
696                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
697                         return true;
698         }
699         return false;
700 }
701
702 struct cipher_test_sglists {
703         struct test_sglist src;
704         struct test_sglist dst;
705 };
706
707 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
708 {
709         struct cipher_test_sglists *tsgls;
710
711         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
712         if (!tsgls)
713                 return NULL;
714
715         if (init_test_sglist(&tsgls->src) != 0)
716                 goto fail_kfree;
717         if (init_test_sglist(&tsgls->dst) != 0)
718                 goto fail_destroy_src;
719
720         return tsgls;
721
722 fail_destroy_src:
723         destroy_test_sglist(&tsgls->src);
724 fail_kfree:
725         kfree(tsgls);
726         return NULL;
727 }
728
729 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
730 {
731         if (tsgls) {
732                 destroy_test_sglist(&tsgls->src);
733                 destroy_test_sglist(&tsgls->dst);
734                 kfree(tsgls);
735         }
736 }
737
738 /* Build the src and dst scatterlists for an skcipher or AEAD test */
739 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
740                                      const struct testvec_config *cfg,
741                                      unsigned int alignmask,
742                                      unsigned int src_total_len,
743                                      unsigned int dst_total_len,
744                                      const struct kvec *inputs,
745                                      unsigned int nr_inputs)
746 {
747         struct iov_iter input;
748         int err;
749
750         iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
751         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
752                                 cfg->inplace ?
753                                         max(dst_total_len, src_total_len) :
754                                         src_total_len,
755                                 &input, NULL);
756         if (err)
757                 return err;
758
759         if (cfg->inplace) {
760                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
761                 tsgls->dst.nents = tsgls->src.nents;
762                 return 0;
763         }
764         return build_test_sglist(&tsgls->dst,
765                                  cfg->dst_divs[0].proportion_of_total ?
766                                         cfg->dst_divs : cfg->src_divs,
767                                  alignmask, dst_total_len, NULL, NULL);
768 }
769
770 /*
771  * Support for testing passing a misaligned key to setkey():
772  *
773  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
774  * optionally adding alignmask.  Else, just use the key directly.
775  */
776 static int prepare_keybuf(const u8 *key, unsigned int ksize,
777                           const struct testvec_config *cfg,
778                           unsigned int alignmask,
779                           const u8 **keybuf_ret, const u8 **keyptr_ret)
780 {
781         unsigned int key_offset = cfg->key_offset;
782         u8 *keybuf = NULL, *keyptr = (u8 *)key;
783
784         if (key_offset != 0) {
785                 if (cfg->key_offset_relative_to_alignmask)
786                         key_offset += alignmask;
787                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
788                 if (!keybuf)
789                         return -ENOMEM;
790                 keyptr = keybuf + key_offset;
791                 memcpy(keyptr, key, ksize);
792         }
793         *keybuf_ret = keybuf;
794         *keyptr_ret = keyptr;
795         return 0;
796 }
797
798 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
799 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
800 ({                                                                      \
801         const u8 *keybuf, *keyptr;                                      \
802         int err;                                                        \
803                                                                         \
804         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
805                              &keybuf, &keyptr);                         \
806         if (err == 0) {                                                 \
807                 err = setkey_f((tfm), keyptr, (ksize));                 \
808                 kfree(keybuf);                                          \
809         }                                                               \
810         err;                                                            \
811 })
812
813 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
814
815 /* Generate a random length in range [0, max_len], but prefer smaller values */
816 static unsigned int generate_random_length(unsigned int max_len)
817 {
818         unsigned int len = prandom_u32() % (max_len + 1);
819
820         switch (prandom_u32() % 4) {
821         case 0:
822                 return len % 64;
823         case 1:
824                 return len % 256;
825         case 2:
826                 return len % 1024;
827         default:
828                 return len;
829         }
830 }
831
832 /* Flip a random bit in the given nonempty data buffer */
833 static void flip_random_bit(u8 *buf, size_t size)
834 {
835         size_t bitpos;
836
837         bitpos = prandom_u32() % (size * 8);
838         buf[bitpos / 8] ^= 1 << (bitpos % 8);
839 }
840
841 /* Flip a random byte in the given nonempty data buffer */
842 static void flip_random_byte(u8 *buf, size_t size)
843 {
844         buf[prandom_u32() % size] ^= 0xff;
845 }
846
847 /* Sometimes make some random changes to the given nonempty data buffer */
848 static void mutate_buffer(u8 *buf, size_t size)
849 {
850         size_t num_flips;
851         size_t i;
852
853         /* Sometimes flip some bits */
854         if (prandom_u32() % 4 == 0) {
855                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
856                 for (i = 0; i < num_flips; i++)
857                         flip_random_bit(buf, size);
858         }
859
860         /* Sometimes flip some bytes */
861         if (prandom_u32() % 4 == 0) {
862                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
863                 for (i = 0; i < num_flips; i++)
864                         flip_random_byte(buf, size);
865         }
866 }
867
868 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
869 static void generate_random_bytes(u8 *buf, size_t count)
870 {
871         u8 b;
872         u8 increment;
873         size_t i;
874
875         if (count == 0)
876                 return;
877
878         switch (prandom_u32() % 8) { /* Choose a generation strategy */
879         case 0:
880         case 1:
881                 /* All the same byte, plus optional mutations */
882                 switch (prandom_u32() % 4) {
883                 case 0:
884                         b = 0x00;
885                         break;
886                 case 1:
887                         b = 0xff;
888                         break;
889                 default:
890                         b = (u8)prandom_u32();
891                         break;
892                 }
893                 memset(buf, b, count);
894                 mutate_buffer(buf, count);
895                 break;
896         case 2:
897                 /* Ascending or descending bytes, plus optional mutations */
898                 increment = (u8)prandom_u32();
899                 b = (u8)prandom_u32();
900                 for (i = 0; i < count; i++, b += increment)
901                         buf[i] = b;
902                 mutate_buffer(buf, count);
903                 break;
904         default:
905                 /* Fully random bytes */
906                 for (i = 0; i < count; i++)
907                         buf[i] = (u8)prandom_u32();
908         }
909 }
910
911 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
912                                            size_t max_divs, char *p, char *end,
913                                            bool gen_flushes, u32 req_flags)
914 {
915         struct test_sg_division *div = divs;
916         unsigned int remaining = TEST_SG_TOTAL;
917
918         do {
919                 unsigned int this_len;
920                 const char *flushtype_str;
921
922                 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
923                         this_len = remaining;
924                 else
925                         this_len = 1 + (prandom_u32() % remaining);
926                 div->proportion_of_total = this_len;
927
928                 if (prandom_u32() % 4 == 0)
929                         div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
930                 else if (prandom_u32() % 2 == 0)
931                         div->offset = prandom_u32() % 32;
932                 else
933                         div->offset = prandom_u32() % PAGE_SIZE;
934                 if (prandom_u32() % 8 == 0)
935                         div->offset_relative_to_alignmask = true;
936
937                 div->flush_type = FLUSH_TYPE_NONE;
938                 if (gen_flushes) {
939                         switch (prandom_u32() % 4) {
940                         case 0:
941                                 div->flush_type = FLUSH_TYPE_REIMPORT;
942                                 break;
943                         case 1:
944                                 div->flush_type = FLUSH_TYPE_FLUSH;
945                                 break;
946                         }
947                 }
948
949                 if (div->flush_type != FLUSH_TYPE_NONE &&
950                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
951                     prandom_u32() % 2 == 0)
952                         div->nosimd = true;
953
954                 switch (div->flush_type) {
955                 case FLUSH_TYPE_FLUSH:
956                         if (div->nosimd)
957                                 flushtype_str = "<flush,nosimd>";
958                         else
959                                 flushtype_str = "<flush>";
960                         break;
961                 case FLUSH_TYPE_REIMPORT:
962                         if (div->nosimd)
963                                 flushtype_str = "<reimport,nosimd>";
964                         else
965                                 flushtype_str = "<reimport>";
966                         break;
967                 default:
968                         flushtype_str = "";
969                         break;
970                 }
971
972                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
973                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
974                                this_len / 100, this_len % 100,
975                                div->offset_relative_to_alignmask ?
976                                         "alignmask" : "",
977                                div->offset, this_len == remaining ? "" : ", ");
978                 remaining -= this_len;
979                 div++;
980         } while (remaining);
981
982         return p;
983 }
984
985 /* Generate a random testvec_config for fuzz testing */
986 static void generate_random_testvec_config(struct testvec_config *cfg,
987                                            char *name, size_t max_namelen)
988 {
989         char *p = name;
990         char * const end = name + max_namelen;
991
992         memset(cfg, 0, sizeof(*cfg));
993
994         cfg->name = name;
995
996         p += scnprintf(p, end - p, "random:");
997
998         if (prandom_u32() % 2 == 0) {
999                 cfg->inplace = true;
1000                 p += scnprintf(p, end - p, " inplace");
1001         }
1002
1003         if (prandom_u32() % 2 == 0) {
1004                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1005                 p += scnprintf(p, end - p, " may_sleep");
1006         }
1007
1008         switch (prandom_u32() % 4) {
1009         case 0:
1010                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1011                 p += scnprintf(p, end - p, " use_final");
1012                 break;
1013         case 1:
1014                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1015                 p += scnprintf(p, end - p, " use_finup");
1016                 break;
1017         default:
1018                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1019                 p += scnprintf(p, end - p, " use_digest");
1020                 break;
1021         }
1022
1023         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1024             prandom_u32() % 2 == 0) {
1025                 cfg->nosimd = true;
1026                 p += scnprintf(p, end - p, " nosimd");
1027         }
1028
1029         p += scnprintf(p, end - p, " src_divs=[");
1030         p = generate_random_sgl_divisions(cfg->src_divs,
1031                                           ARRAY_SIZE(cfg->src_divs), p, end,
1032                                           (cfg->finalization_type !=
1033                                            FINALIZATION_TYPE_DIGEST),
1034                                           cfg->req_flags);
1035         p += scnprintf(p, end - p, "]");
1036
1037         if (!cfg->inplace && prandom_u32() % 2 == 0) {
1038                 p += scnprintf(p, end - p, " dst_divs=[");
1039                 p = generate_random_sgl_divisions(cfg->dst_divs,
1040                                                   ARRAY_SIZE(cfg->dst_divs),
1041                                                   p, end, false,
1042                                                   cfg->req_flags);
1043                 p += scnprintf(p, end - p, "]");
1044         }
1045
1046         if (prandom_u32() % 2 == 0) {
1047                 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1048                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1049         }
1050
1051         if (prandom_u32() % 2 == 0) {
1052                 cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1053                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1054         }
1055
1056         WARN_ON_ONCE(!valid_testvec_config(cfg));
1057 }
1058
1059 static void crypto_disable_simd_for_test(void)
1060 {
1061         migrate_disable();
1062         __this_cpu_write(crypto_simd_disabled_for_test, true);
1063 }
1064
1065 static void crypto_reenable_simd_for_test(void)
1066 {
1067         __this_cpu_write(crypto_simd_disabled_for_test, false);
1068         migrate_enable();
1069 }
1070
1071 /*
1072  * Given an algorithm name, build the name of the generic implementation of that
1073  * algorithm, assuming the usual naming convention.  Specifically, this appends
1074  * "-generic" to every part of the name that is not a template name.  Examples:
1075  *
1076  *      aes => aes-generic
1077  *      cbc(aes) => cbc(aes-generic)
1078  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1079  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1080  *
1081  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1082  */
1083 static int build_generic_driver_name(const char *algname,
1084                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1085 {
1086         const char *in = algname;
1087         char *out = driver_name;
1088         size_t len = strlen(algname);
1089
1090         if (len >= CRYPTO_MAX_ALG_NAME)
1091                 goto too_long;
1092         do {
1093                 const char *in_saved = in;
1094
1095                 while (*in && *in != '(' && *in != ')' && *in != ',')
1096                         *out++ = *in++;
1097                 if (*in != '(' && in > in_saved) {
1098                         len += 8;
1099                         if (len >= CRYPTO_MAX_ALG_NAME)
1100                                 goto too_long;
1101                         memcpy(out, "-generic", 8);
1102                         out += 8;
1103                 }
1104         } while ((*out++ = *in++) != '\0');
1105         return 0;
1106
1107 too_long:
1108         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1109                algname);
1110         return -ENAMETOOLONG;
1111 }
1112 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1113 static void crypto_disable_simd_for_test(void)
1114 {
1115 }
1116
1117 static void crypto_reenable_simd_for_test(void)
1118 {
1119 }
1120 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1121
1122 static int build_hash_sglist(struct test_sglist *tsgl,
1123                              const struct hash_testvec *vec,
1124                              const struct testvec_config *cfg,
1125                              unsigned int alignmask,
1126                              const struct test_sg_division *divs[XBUFSIZE])
1127 {
1128         struct kvec kv;
1129         struct iov_iter input;
1130
1131         kv.iov_base = (void *)vec->plaintext;
1132         kv.iov_len = vec->psize;
1133         iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1134         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1135                                  &input, divs);
1136 }
1137
1138 static int check_hash_result(const char *type,
1139                              const u8 *result, unsigned int digestsize,
1140                              const struct hash_testvec *vec,
1141                              const char *vec_name,
1142                              const char *driver,
1143                              const struct testvec_config *cfg)
1144 {
1145         if (memcmp(result, vec->digest, digestsize) != 0) {
1146                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1147                        type, driver, vec_name, cfg->name);
1148                 return -EINVAL;
1149         }
1150         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1151                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1152                        type, driver, vec_name, cfg->name);
1153                 return -EOVERFLOW;
1154         }
1155         return 0;
1156 }
1157
1158 static inline int check_shash_op(const char *op, int err,
1159                                  const char *driver, const char *vec_name,
1160                                  const struct testvec_config *cfg)
1161 {
1162         if (err)
1163                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1164                        driver, op, err, vec_name, cfg->name);
1165         return err;
1166 }
1167
1168 /* Test one hash test vector in one configuration, using the shash API */
1169 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1170                               const char *vec_name,
1171                               const struct testvec_config *cfg,
1172                               struct shash_desc *desc,
1173                               struct test_sglist *tsgl,
1174                               u8 *hashstate)
1175 {
1176         struct crypto_shash *tfm = desc->tfm;
1177         const unsigned int alignmask = crypto_shash_alignmask(tfm);
1178         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1179         const unsigned int statesize = crypto_shash_statesize(tfm);
1180         const char *driver = crypto_shash_driver_name(tfm);
1181         const struct test_sg_division *divs[XBUFSIZE];
1182         unsigned int i;
1183         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1184         int err;
1185
1186         /* Set the key, if specified */
1187         if (vec->ksize) {
1188                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1189                                 cfg, alignmask);
1190                 if (err) {
1191                         if (err == vec->setkey_error)
1192                                 return 0;
1193                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1194                                driver, vec_name, vec->setkey_error, err,
1195                                crypto_shash_get_flags(tfm));
1196                         return err;
1197                 }
1198                 if (vec->setkey_error) {
1199                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1200                                driver, vec_name, vec->setkey_error);
1201                         return -EINVAL;
1202                 }
1203         }
1204
1205         /* Build the scatterlist for the source data */
1206         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1207         if (err) {
1208                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1209                        driver, vec_name, cfg->name);
1210                 return err;
1211         }
1212
1213         /* Do the actual hashing */
1214
1215         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1216         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1217
1218         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1219             vec->digest_error) {
1220                 /* Just using digest() */
1221                 if (tsgl->nents != 1)
1222                         return 0;
1223                 if (cfg->nosimd)
1224                         crypto_disable_simd_for_test();
1225                 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1226                                           tsgl->sgl[0].length, result);
1227                 if (cfg->nosimd)
1228                         crypto_reenable_simd_for_test();
1229                 if (err) {
1230                         if (err == vec->digest_error)
1231                                 return 0;
1232                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1233                                driver, vec_name, vec->digest_error, err,
1234                                cfg->name);
1235                         return err;
1236                 }
1237                 if (vec->digest_error) {
1238                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1239                                driver, vec_name, vec->digest_error, cfg->name);
1240                         return -EINVAL;
1241                 }
1242                 goto result_ready;
1243         }
1244
1245         /* Using init(), zero or more update(), then final() or finup() */
1246
1247         if (cfg->nosimd)
1248                 crypto_disable_simd_for_test();
1249         err = crypto_shash_init(desc);
1250         if (cfg->nosimd)
1251                 crypto_reenable_simd_for_test();
1252         err = check_shash_op("init", err, driver, vec_name, cfg);
1253         if (err)
1254                 return err;
1255
1256         for (i = 0; i < tsgl->nents; i++) {
1257                 if (i + 1 == tsgl->nents &&
1258                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1259                         if (divs[i]->nosimd)
1260                                 crypto_disable_simd_for_test();
1261                         err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1262                                                  tsgl->sgl[i].length, result);
1263                         if (divs[i]->nosimd)
1264                                 crypto_reenable_simd_for_test();
1265                         err = check_shash_op("finup", err, driver, vec_name,
1266                                              cfg);
1267                         if (err)
1268                                 return err;
1269                         goto result_ready;
1270                 }
1271                 if (divs[i]->nosimd)
1272                         crypto_disable_simd_for_test();
1273                 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1274                                           tsgl->sgl[i].length);
1275                 if (divs[i]->nosimd)
1276                         crypto_reenable_simd_for_test();
1277                 err = check_shash_op("update", err, driver, vec_name, cfg);
1278                 if (err)
1279                         return err;
1280                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1281                         /* Test ->export() and ->import() */
1282                         testmgr_poison(hashstate + statesize,
1283                                        TESTMGR_POISON_LEN);
1284                         err = crypto_shash_export(desc, hashstate);
1285                         err = check_shash_op("export", err, driver, vec_name,
1286                                              cfg);
1287                         if (err)
1288                                 return err;
1289                         if (!testmgr_is_poison(hashstate + statesize,
1290                                                TESTMGR_POISON_LEN)) {
1291                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1292                                        driver, vec_name, cfg->name);
1293                                 return -EOVERFLOW;
1294                         }
1295                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1296                         err = crypto_shash_import(desc, hashstate);
1297                         err = check_shash_op("import", err, driver, vec_name,
1298                                              cfg);
1299                         if (err)
1300                                 return err;
1301                 }
1302         }
1303
1304         if (cfg->nosimd)
1305                 crypto_disable_simd_for_test();
1306         err = crypto_shash_final(desc, result);
1307         if (cfg->nosimd)
1308                 crypto_reenable_simd_for_test();
1309         err = check_shash_op("final", err, driver, vec_name, cfg);
1310         if (err)
1311                 return err;
1312 result_ready:
1313         return check_hash_result("shash", result, digestsize, vec, vec_name,
1314                                  driver, cfg);
1315 }
1316
1317 static int do_ahash_op(int (*op)(struct ahash_request *req),
1318                        struct ahash_request *req,
1319                        struct crypto_wait *wait, bool nosimd)
1320 {
1321         int err;
1322
1323         if (nosimd)
1324                 crypto_disable_simd_for_test();
1325
1326         err = op(req);
1327
1328         if (nosimd)
1329                 crypto_reenable_simd_for_test();
1330
1331         return crypto_wait_req(err, wait);
1332 }
1333
1334 static int check_nonfinal_ahash_op(const char *op, int err,
1335                                    u8 *result, unsigned int digestsize,
1336                                    const char *driver, const char *vec_name,
1337                                    const struct testvec_config *cfg)
1338 {
1339         if (err) {
1340                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1341                        driver, op, err, vec_name, cfg->name);
1342                 return err;
1343         }
1344         if (!testmgr_is_poison(result, digestsize)) {
1345                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1346                        driver, op, vec_name, cfg->name);
1347                 return -EINVAL;
1348         }
1349         return 0;
1350 }
1351
1352 /* Test one hash test vector in one configuration, using the ahash API */
1353 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1354                               const char *vec_name,
1355                               const struct testvec_config *cfg,
1356                               struct ahash_request *req,
1357                               struct test_sglist *tsgl,
1358                               u8 *hashstate)
1359 {
1360         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1361         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1362         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1363         const unsigned int statesize = crypto_ahash_statesize(tfm);
1364         const char *driver = crypto_ahash_driver_name(tfm);
1365         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1366         const struct test_sg_division *divs[XBUFSIZE];
1367         DECLARE_CRYPTO_WAIT(wait);
1368         unsigned int i;
1369         struct scatterlist *pending_sgl;
1370         unsigned int pending_len;
1371         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1372         int err;
1373
1374         /* Set the key, if specified */
1375         if (vec->ksize) {
1376                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1377                                 cfg, alignmask);
1378                 if (err) {
1379                         if (err == vec->setkey_error)
1380                                 return 0;
1381                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1382                                driver, vec_name, vec->setkey_error, err,
1383                                crypto_ahash_get_flags(tfm));
1384                         return err;
1385                 }
1386                 if (vec->setkey_error) {
1387                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1388                                driver, vec_name, vec->setkey_error);
1389                         return -EINVAL;
1390                 }
1391         }
1392
1393         /* Build the scatterlist for the source data */
1394         err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1395         if (err) {
1396                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1397                        driver, vec_name, cfg->name);
1398                 return err;
1399         }
1400
1401         /* Do the actual hashing */
1402
1403         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1404         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1405
1406         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1407             vec->digest_error) {
1408                 /* Just using digest() */
1409                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1410                                            &wait);
1411                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1412                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1413                 if (err) {
1414                         if (err == vec->digest_error)
1415                                 return 0;
1416                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1417                                driver, vec_name, vec->digest_error, err,
1418                                cfg->name);
1419                         return err;
1420                 }
1421                 if (vec->digest_error) {
1422                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1423                                driver, vec_name, vec->digest_error, cfg->name);
1424                         return -EINVAL;
1425                 }
1426                 goto result_ready;
1427         }
1428
1429         /* Using init(), zero or more update(), then final() or finup() */
1430
1431         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1432         ahash_request_set_crypt(req, NULL, result, 0);
1433         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1434         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1435                                       driver, vec_name, cfg);
1436         if (err)
1437                 return err;
1438
1439         pending_sgl = NULL;
1440         pending_len = 0;
1441         for (i = 0; i < tsgl->nents; i++) {
1442                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1443                     pending_sgl != NULL) {
1444                         /* update() with the pending data */
1445                         ahash_request_set_callback(req, req_flags,
1446                                                    crypto_req_done, &wait);
1447                         ahash_request_set_crypt(req, pending_sgl, result,
1448                                                 pending_len);
1449                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1450                                           divs[i]->nosimd);
1451                         err = check_nonfinal_ahash_op("update", err,
1452                                                       result, digestsize,
1453                                                       driver, vec_name, cfg);
1454                         if (err)
1455                                 return err;
1456                         pending_sgl = NULL;
1457                         pending_len = 0;
1458                 }
1459                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1460                         /* Test ->export() and ->import() */
1461                         testmgr_poison(hashstate + statesize,
1462                                        TESTMGR_POISON_LEN);
1463                         err = crypto_ahash_export(req, hashstate);
1464                         err = check_nonfinal_ahash_op("export", err,
1465                                                       result, digestsize,
1466                                                       driver, vec_name, cfg);
1467                         if (err)
1468                                 return err;
1469                         if (!testmgr_is_poison(hashstate + statesize,
1470                                                TESTMGR_POISON_LEN)) {
1471                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1472                                        driver, vec_name, cfg->name);
1473                                 return -EOVERFLOW;
1474                         }
1475
1476                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1477                         err = crypto_ahash_import(req, hashstate);
1478                         err = check_nonfinal_ahash_op("import", err,
1479                                                       result, digestsize,
1480                                                       driver, vec_name, cfg);
1481                         if (err)
1482                                 return err;
1483                 }
1484                 if (pending_sgl == NULL)
1485                         pending_sgl = &tsgl->sgl[i];
1486                 pending_len += tsgl->sgl[i].length;
1487         }
1488
1489         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1490         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1491         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1492                 /* finish with update() and final() */
1493                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1494                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1495                                               driver, vec_name, cfg);
1496                 if (err)
1497                         return err;
1498                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1499                 if (err) {
1500                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1501                                driver, err, vec_name, cfg->name);
1502                         return err;
1503                 }
1504         } else {
1505                 /* finish with finup() */
1506                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1507                 if (err) {
1508                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1509                                driver, err, vec_name, cfg->name);
1510                         return err;
1511                 }
1512         }
1513
1514 result_ready:
1515         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1516                                  driver, cfg);
1517 }
1518
1519 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1520                              const char *vec_name,
1521                              const struct testvec_config *cfg,
1522                              struct ahash_request *req,
1523                              struct shash_desc *desc,
1524                              struct test_sglist *tsgl,
1525                              u8 *hashstate)
1526 {
1527         int err;
1528
1529         /*
1530          * For algorithms implemented as "shash", most bugs will be detected by
1531          * both the shash and ahash tests.  Test the shash API first so that the
1532          * failures involve less indirection, so are easier to debug.
1533          */
1534
1535         if (desc) {
1536                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1537                                          hashstate);
1538                 if (err)
1539                         return err;
1540         }
1541
1542         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1543 }
1544
1545 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1546                          struct ahash_request *req, struct shash_desc *desc,
1547                          struct test_sglist *tsgl, u8 *hashstate)
1548 {
1549         char vec_name[16];
1550         unsigned int i;
1551         int err;
1552
1553         sprintf(vec_name, "%u", vec_num);
1554
1555         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1556                 err = test_hash_vec_cfg(vec, vec_name,
1557                                         &default_hash_testvec_configs[i],
1558                                         req, desc, tsgl, hashstate);
1559                 if (err)
1560                         return err;
1561         }
1562
1563 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1564         if (!noextratests) {
1565                 struct testvec_config cfg;
1566                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1567
1568                 for (i = 0; i < fuzz_iterations; i++) {
1569                         generate_random_testvec_config(&cfg, cfgname,
1570                                                        sizeof(cfgname));
1571                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1572                                                 req, desc, tsgl, hashstate);
1573                         if (err)
1574                                 return err;
1575                         cond_resched();
1576                 }
1577         }
1578 #endif
1579         return 0;
1580 }
1581
1582 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1583 /*
1584  * Generate a hash test vector from the given implementation.
1585  * Assumes the buffers in 'vec' were already allocated.
1586  */
1587 static void generate_random_hash_testvec(struct shash_desc *desc,
1588                                          struct hash_testvec *vec,
1589                                          unsigned int maxkeysize,
1590                                          unsigned int maxdatasize,
1591                                          char *name, size_t max_namelen)
1592 {
1593         /* Data */
1594         vec->psize = generate_random_length(maxdatasize);
1595         generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1596
1597         /*
1598          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1599          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1600          */
1601         vec->setkey_error = 0;
1602         vec->ksize = 0;
1603         if (maxkeysize) {
1604                 vec->ksize = maxkeysize;
1605                 if (prandom_u32() % 4 == 0)
1606                         vec->ksize = 1 + (prandom_u32() % maxkeysize);
1607                 generate_random_bytes((u8 *)vec->key, vec->ksize);
1608
1609                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1610                                                         vec->ksize);
1611                 /* If the key couldn't be set, no need to continue to digest. */
1612                 if (vec->setkey_error)
1613                         goto done;
1614         }
1615
1616         /* Digest */
1617         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1618                                                 vec->psize, (u8 *)vec->digest);
1619 done:
1620         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1621                  vec->psize, vec->ksize);
1622 }
1623
1624 /*
1625  * Test the hash algorithm represented by @req against the corresponding generic
1626  * implementation, if one is available.
1627  */
1628 static int test_hash_vs_generic_impl(const char *generic_driver,
1629                                      unsigned int maxkeysize,
1630                                      struct ahash_request *req,
1631                                      struct shash_desc *desc,
1632                                      struct test_sglist *tsgl,
1633                                      u8 *hashstate)
1634 {
1635         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1636         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1637         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1638         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1639         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1640         const char *driver = crypto_ahash_driver_name(tfm);
1641         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1642         struct crypto_shash *generic_tfm = NULL;
1643         struct shash_desc *generic_desc = NULL;
1644         unsigned int i;
1645         struct hash_testvec vec = { 0 };
1646         char vec_name[64];
1647         struct testvec_config *cfg;
1648         char cfgname[TESTVEC_CONFIG_NAMELEN];
1649         int err;
1650
1651         if (noextratests)
1652                 return 0;
1653
1654         if (!generic_driver) { /* Use default naming convention? */
1655                 err = build_generic_driver_name(algname, _generic_driver);
1656                 if (err)
1657                         return err;
1658                 generic_driver = _generic_driver;
1659         }
1660
1661         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1662                 return 0;
1663
1664         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1665         if (IS_ERR(generic_tfm)) {
1666                 err = PTR_ERR(generic_tfm);
1667                 if (err == -ENOENT) {
1668                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1669                                 driver, generic_driver);
1670                         return 0;
1671                 }
1672                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1673                        generic_driver, algname, err);
1674                 return err;
1675         }
1676
1677         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1678         if (!cfg) {
1679                 err = -ENOMEM;
1680                 goto out;
1681         }
1682
1683         generic_desc = kzalloc(sizeof(*desc) +
1684                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1685         if (!generic_desc) {
1686                 err = -ENOMEM;
1687                 goto out;
1688         }
1689         generic_desc->tfm = generic_tfm;
1690
1691         /* Check the algorithm properties for consistency. */
1692
1693         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1694                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1695                        driver, digestsize,
1696                        crypto_shash_digestsize(generic_tfm));
1697                 err = -EINVAL;
1698                 goto out;
1699         }
1700
1701         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1702                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1703                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1704                 err = -EINVAL;
1705                 goto out;
1706         }
1707
1708         /*
1709          * Now generate test vectors using the generic implementation, and test
1710          * the other implementation against them.
1711          */
1712
1713         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1714         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1715         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1716         if (!vec.key || !vec.plaintext || !vec.digest) {
1717                 err = -ENOMEM;
1718                 goto out;
1719         }
1720
1721         for (i = 0; i < fuzz_iterations * 8; i++) {
1722                 generate_random_hash_testvec(generic_desc, &vec,
1723                                              maxkeysize, maxdatasize,
1724                                              vec_name, sizeof(vec_name));
1725                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1726
1727                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1728                                         req, desc, tsgl, hashstate);
1729                 if (err)
1730                         goto out;
1731                 cond_resched();
1732         }
1733         err = 0;
1734 out:
1735         kfree(cfg);
1736         kfree(vec.key);
1737         kfree(vec.plaintext);
1738         kfree(vec.digest);
1739         crypto_free_shash(generic_tfm);
1740         kfree_sensitive(generic_desc);
1741         return err;
1742 }
1743 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1744 static int test_hash_vs_generic_impl(const char *generic_driver,
1745                                      unsigned int maxkeysize,
1746                                      struct ahash_request *req,
1747                                      struct shash_desc *desc,
1748                                      struct test_sglist *tsgl,
1749                                      u8 *hashstate)
1750 {
1751         return 0;
1752 }
1753 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1754
1755 static int alloc_shash(const char *driver, u32 type, u32 mask,
1756                        struct crypto_shash **tfm_ret,
1757                        struct shash_desc **desc_ret)
1758 {
1759         struct crypto_shash *tfm;
1760         struct shash_desc *desc;
1761
1762         tfm = crypto_alloc_shash(driver, type, mask);
1763         if (IS_ERR(tfm)) {
1764                 if (PTR_ERR(tfm) == -ENOENT) {
1765                         /*
1766                          * This algorithm is only available through the ahash
1767                          * API, not the shash API, so skip the shash tests.
1768                          */
1769                         return 0;
1770                 }
1771                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1772                        driver, PTR_ERR(tfm));
1773                 return PTR_ERR(tfm);
1774         }
1775
1776         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1777         if (!desc) {
1778                 crypto_free_shash(tfm);
1779                 return -ENOMEM;
1780         }
1781         desc->tfm = tfm;
1782
1783         *tfm_ret = tfm;
1784         *desc_ret = desc;
1785         return 0;
1786 }
1787
1788 static int __alg_test_hash(const struct hash_testvec *vecs,
1789                            unsigned int num_vecs, const char *driver,
1790                            u32 type, u32 mask,
1791                            const char *generic_driver, unsigned int maxkeysize)
1792 {
1793         struct crypto_ahash *atfm = NULL;
1794         struct ahash_request *req = NULL;
1795         struct crypto_shash *stfm = NULL;
1796         struct shash_desc *desc = NULL;
1797         struct test_sglist *tsgl = NULL;
1798         u8 *hashstate = NULL;
1799         unsigned int statesize;
1800         unsigned int i;
1801         int err;
1802
1803         /*
1804          * Always test the ahash API.  This works regardless of whether the
1805          * algorithm is implemented as ahash or shash.
1806          */
1807
1808         atfm = crypto_alloc_ahash(driver, type, mask);
1809         if (IS_ERR(atfm)) {
1810                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1811                        driver, PTR_ERR(atfm));
1812                 return PTR_ERR(atfm);
1813         }
1814         driver = crypto_ahash_driver_name(atfm);
1815
1816         req = ahash_request_alloc(atfm, GFP_KERNEL);
1817         if (!req) {
1818                 pr_err("alg: hash: failed to allocate request for %s\n",
1819                        driver);
1820                 err = -ENOMEM;
1821                 goto out;
1822         }
1823
1824         /*
1825          * If available also test the shash API, to cover corner cases that may
1826          * be missed by testing the ahash API only.
1827          */
1828         err = alloc_shash(driver, type, mask, &stfm, &desc);
1829         if (err)
1830                 goto out;
1831
1832         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1833         if (!tsgl || init_test_sglist(tsgl) != 0) {
1834                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1835                        driver);
1836                 kfree(tsgl);
1837                 tsgl = NULL;
1838                 err = -ENOMEM;
1839                 goto out;
1840         }
1841
1842         statesize = crypto_ahash_statesize(atfm);
1843         if (stfm)
1844                 statesize = max(statesize, crypto_shash_statesize(stfm));
1845         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1846         if (!hashstate) {
1847                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1848                        driver);
1849                 err = -ENOMEM;
1850                 goto out;
1851         }
1852
1853         for (i = 0; i < num_vecs; i++) {
1854                 if (fips_enabled && vecs[i].fips_skip)
1855                         continue;
1856
1857                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1858                 if (err)
1859                         goto out;
1860                 cond_resched();
1861         }
1862         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1863                                         desc, tsgl, hashstate);
1864 out:
1865         kfree(hashstate);
1866         if (tsgl) {
1867                 destroy_test_sglist(tsgl);
1868                 kfree(tsgl);
1869         }
1870         kfree(desc);
1871         crypto_free_shash(stfm);
1872         ahash_request_free(req);
1873         crypto_free_ahash(atfm);
1874         return err;
1875 }
1876
1877 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1878                          u32 type, u32 mask)
1879 {
1880         const struct hash_testvec *template = desc->suite.hash.vecs;
1881         unsigned int tcount = desc->suite.hash.count;
1882         unsigned int nr_unkeyed, nr_keyed;
1883         unsigned int maxkeysize = 0;
1884         int err;
1885
1886         /*
1887          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1888          * first, before setting a key on the tfm.  To make this easier, we
1889          * require that the unkeyed test vectors (if any) are listed first.
1890          */
1891
1892         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1893                 if (template[nr_unkeyed].ksize)
1894                         break;
1895         }
1896         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1897                 if (!template[nr_unkeyed + nr_keyed].ksize) {
1898                         pr_err("alg: hash: test vectors for %s out of order, "
1899                                "unkeyed ones must come first\n", desc->alg);
1900                         return -EINVAL;
1901                 }
1902                 maxkeysize = max_t(unsigned int, maxkeysize,
1903                                    template[nr_unkeyed + nr_keyed].ksize);
1904         }
1905
1906         err = 0;
1907         if (nr_unkeyed) {
1908                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1909                                       desc->generic_driver, maxkeysize);
1910                 template += nr_unkeyed;
1911         }
1912
1913         if (!err && nr_keyed)
1914                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1915                                       desc->generic_driver, maxkeysize);
1916
1917         return err;
1918 }
1919
1920 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1921                              const char *vec_name,
1922                              const struct testvec_config *cfg,
1923                              struct aead_request *req,
1924                              struct cipher_test_sglists *tsgls)
1925 {
1926         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1927         const unsigned int alignmask = crypto_aead_alignmask(tfm);
1928         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1929         const unsigned int authsize = vec->clen - vec->plen;
1930         const char *driver = crypto_aead_driver_name(tfm);
1931         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1932         const char *op = enc ? "encryption" : "decryption";
1933         DECLARE_CRYPTO_WAIT(wait);
1934         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1935         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1936                  cfg->iv_offset +
1937                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1938         struct kvec input[2];
1939         int err;
1940
1941         /* Set the key */
1942         if (vec->wk)
1943                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1944         else
1945                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1946
1947         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1948                         cfg, alignmask);
1949         if (err && err != vec->setkey_error) {
1950                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1951                        driver, vec_name, vec->setkey_error, err,
1952                        crypto_aead_get_flags(tfm));
1953                 return err;
1954         }
1955         if (!err && vec->setkey_error) {
1956                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1957                        driver, vec_name, vec->setkey_error);
1958                 return -EINVAL;
1959         }
1960
1961         /* Set the authentication tag size */
1962         err = crypto_aead_setauthsize(tfm, authsize);
1963         if (err && err != vec->setauthsize_error) {
1964                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1965                        driver, vec_name, vec->setauthsize_error, err);
1966                 return err;
1967         }
1968         if (!err && vec->setauthsize_error) {
1969                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1970                        driver, vec_name, vec->setauthsize_error);
1971                 return -EINVAL;
1972         }
1973
1974         if (vec->setkey_error || vec->setauthsize_error)
1975                 return 0;
1976
1977         /* The IV must be copied to a buffer, as the algorithm may modify it */
1978         if (WARN_ON(ivsize > MAX_IVLEN))
1979                 return -EINVAL;
1980         if (vec->iv)
1981                 memcpy(iv, vec->iv, ivsize);
1982         else
1983                 memset(iv, 0, ivsize);
1984
1985         /* Build the src/dst scatterlists */
1986         input[0].iov_base = (void *)vec->assoc;
1987         input[0].iov_len = vec->alen;
1988         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1989         input[1].iov_len = enc ? vec->plen : vec->clen;
1990         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1991                                         vec->alen + (enc ? vec->plen :
1992                                                      vec->clen),
1993                                         vec->alen + (enc ? vec->clen :
1994                                                      vec->plen),
1995                                         input, 2);
1996         if (err) {
1997                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
1998                        driver, op, vec_name, cfg->name);
1999                 return err;
2000         }
2001
2002         /* Do the actual encryption or decryption */
2003         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2004         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2005         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2006                                enc ? vec->plen : vec->clen, iv);
2007         aead_request_set_ad(req, vec->alen);
2008         if (cfg->nosimd)
2009                 crypto_disable_simd_for_test();
2010         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2011         if (cfg->nosimd)
2012                 crypto_reenable_simd_for_test();
2013         err = crypto_wait_req(err, &wait);
2014
2015         /* Check that the algorithm didn't overwrite things it shouldn't have */
2016         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2017             req->assoclen != vec->alen ||
2018             req->iv != iv ||
2019             req->src != tsgls->src.sgl_ptr ||
2020             req->dst != tsgls->dst.sgl_ptr ||
2021             crypto_aead_reqtfm(req) != tfm ||
2022             req->base.complete != crypto_req_done ||
2023             req->base.flags != req_flags ||
2024             req->base.data != &wait) {
2025                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2026                        driver, op, vec_name, cfg->name);
2027                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2028                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2029                 if (req->assoclen != vec->alen)
2030                         pr_err("alg: aead: changed 'req->assoclen'\n");
2031                 if (req->iv != iv)
2032                         pr_err("alg: aead: changed 'req->iv'\n");
2033                 if (req->src != tsgls->src.sgl_ptr)
2034                         pr_err("alg: aead: changed 'req->src'\n");
2035                 if (req->dst != tsgls->dst.sgl_ptr)
2036                         pr_err("alg: aead: changed 'req->dst'\n");
2037                 if (crypto_aead_reqtfm(req) != tfm)
2038                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2039                 if (req->base.complete != crypto_req_done)
2040                         pr_err("alg: aead: changed 'req->base.complete'\n");
2041                 if (req->base.flags != req_flags)
2042                         pr_err("alg: aead: changed 'req->base.flags'\n");
2043                 if (req->base.data != &wait)
2044                         pr_err("alg: aead: changed 'req->base.data'\n");
2045                 return -EINVAL;
2046         }
2047         if (is_test_sglist_corrupted(&tsgls->src)) {
2048                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2049                        driver, op, vec_name, cfg->name);
2050                 return -EINVAL;
2051         }
2052         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2053             is_test_sglist_corrupted(&tsgls->dst)) {
2054                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2055                        driver, op, vec_name, cfg->name);
2056                 return -EINVAL;
2057         }
2058
2059         /* Check for unexpected success or failure, or wrong error code */
2060         if ((err == 0 && vec->novrfy) ||
2061             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2062                 char expected_error[32];
2063
2064                 if (vec->novrfy &&
2065                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2066                         sprintf(expected_error, "-EBADMSG or %d",
2067                                 vec->crypt_error);
2068                 else if (vec->novrfy)
2069                         sprintf(expected_error, "-EBADMSG");
2070                 else
2071                         sprintf(expected_error, "%d", vec->crypt_error);
2072                 if (err) {
2073                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2074                                driver, op, vec_name, expected_error, err,
2075                                cfg->name);
2076                         return err;
2077                 }
2078                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2079                        driver, op, vec_name, expected_error, cfg->name);
2080                 return -EINVAL;
2081         }
2082         if (err) /* Expectedly failed. */
2083                 return 0;
2084
2085         /* Check for the correct output (ciphertext or plaintext) */
2086         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2087                                     enc ? vec->clen : vec->plen,
2088                                     vec->alen, enc || !cfg->inplace);
2089         if (err == -EOVERFLOW) {
2090                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2091                        driver, op, vec_name, cfg->name);
2092                 return err;
2093         }
2094         if (err) {
2095                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2096                        driver, op, vec_name, cfg->name);
2097                 return err;
2098         }
2099
2100         return 0;
2101 }
2102
2103 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2104                          unsigned int vec_num, struct aead_request *req,
2105                          struct cipher_test_sglists *tsgls)
2106 {
2107         char vec_name[16];
2108         unsigned int i;
2109         int err;
2110
2111         if (enc && vec->novrfy)
2112                 return 0;
2113
2114         sprintf(vec_name, "%u", vec_num);
2115
2116         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2117                 err = test_aead_vec_cfg(enc, vec, vec_name,
2118                                         &default_cipher_testvec_configs[i],
2119                                         req, tsgls);
2120                 if (err)
2121                         return err;
2122         }
2123
2124 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2125         if (!noextratests) {
2126                 struct testvec_config cfg;
2127                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2128
2129                 for (i = 0; i < fuzz_iterations; i++) {
2130                         generate_random_testvec_config(&cfg, cfgname,
2131                                                        sizeof(cfgname));
2132                         err = test_aead_vec_cfg(enc, vec, vec_name,
2133                                                 &cfg, req, tsgls);
2134                         if (err)
2135                                 return err;
2136                         cond_resched();
2137                 }
2138         }
2139 #endif
2140         return 0;
2141 }
2142
2143 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2144
2145 struct aead_extra_tests_ctx {
2146         struct aead_request *req;
2147         struct crypto_aead *tfm;
2148         const struct alg_test_desc *test_desc;
2149         struct cipher_test_sglists *tsgls;
2150         unsigned int maxdatasize;
2151         unsigned int maxkeysize;
2152
2153         struct aead_testvec vec;
2154         char vec_name[64];
2155         char cfgname[TESTVEC_CONFIG_NAMELEN];
2156         struct testvec_config cfg;
2157 };
2158
2159 /*
2160  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2161  * here means the full ciphertext including the authentication tag.  The
2162  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2163  */
2164 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2165                                 unsigned int ivsize)
2166 {
2167         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2168         const unsigned int authsize = vec->clen - vec->plen;
2169
2170         if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2171                  /* Mutate the AAD */
2172                 flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2173                 if (prandom_u32() % 2 == 0)
2174                         return;
2175         }
2176         if (prandom_u32() % 2 == 0) {
2177                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2178                 flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2179         } else {
2180                 /* Mutate any part of the ciphertext */
2181                 flip_random_bit((u8 *)vec->ctext, vec->clen);
2182         }
2183 }
2184
2185 /*
2186  * Minimum authentication tag size in bytes at which we assume that we can
2187  * reliably generate inauthentic messages, i.e. not generate an authentic
2188  * message by chance.
2189  */
2190 #define MIN_COLLISION_FREE_AUTHSIZE 8
2191
2192 static void generate_aead_message(struct aead_request *req,
2193                                   const struct aead_test_suite *suite,
2194                                   struct aead_testvec *vec,
2195                                   bool prefer_inauthentic)
2196 {
2197         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2198         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2199         const unsigned int authsize = vec->clen - vec->plen;
2200         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2201                                  (prefer_inauthentic || prandom_u32() % 4 == 0);
2202
2203         /* Generate the AAD. */
2204         generate_random_bytes((u8 *)vec->assoc, vec->alen);
2205         if (suite->aad_iv && vec->alen >= ivsize)
2206                 /* Avoid implementation-defined behavior. */
2207                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2208
2209         if (inauthentic && prandom_u32() % 2 == 0) {
2210                 /* Generate a random ciphertext. */
2211                 generate_random_bytes((u8 *)vec->ctext, vec->clen);
2212         } else {
2213                 int i = 0;
2214                 struct scatterlist src[2], dst;
2215                 u8 iv[MAX_IVLEN];
2216                 DECLARE_CRYPTO_WAIT(wait);
2217
2218                 /* Generate a random plaintext and encrypt it. */
2219                 sg_init_table(src, 2);
2220                 if (vec->alen)
2221                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2222                 if (vec->plen) {
2223                         generate_random_bytes((u8 *)vec->ptext, vec->plen);
2224                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2225                 }
2226                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2227                 memcpy(iv, vec->iv, ivsize);
2228                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2229                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2230                 aead_request_set_ad(req, vec->alen);
2231                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2232                                                    &wait);
2233                 /* If encryption failed, we're done. */
2234                 if (vec->crypt_error != 0)
2235                         return;
2236                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2237                 if (!inauthentic)
2238                         return;
2239                 /*
2240                  * Mutate the authentic (ciphertext, AAD) pair to get an
2241                  * inauthentic one.
2242                  */
2243                 mutate_aead_message(vec, suite->aad_iv, ivsize);
2244         }
2245         vec->novrfy = 1;
2246         if (suite->einval_allowed)
2247                 vec->crypt_error = -EINVAL;
2248 }
2249
2250 /*
2251  * Generate an AEAD test vector 'vec' using the implementation specified by
2252  * 'req'.  The buffers in 'vec' must already be allocated.
2253  *
2254  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2255  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2256  */
2257 static void generate_random_aead_testvec(struct aead_request *req,
2258                                          struct aead_testvec *vec,
2259                                          const struct aead_test_suite *suite,
2260                                          unsigned int maxkeysize,
2261                                          unsigned int maxdatasize,
2262                                          char *name, size_t max_namelen,
2263                                          bool prefer_inauthentic)
2264 {
2265         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2266         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2267         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2268         unsigned int authsize;
2269         unsigned int total_len;
2270
2271         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2272         vec->klen = maxkeysize;
2273         if (prandom_u32() % 4 == 0)
2274                 vec->klen = prandom_u32() % (maxkeysize + 1);
2275         generate_random_bytes((u8 *)vec->key, vec->klen);
2276         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2277
2278         /* IV */
2279         generate_random_bytes((u8 *)vec->iv, ivsize);
2280
2281         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2282         authsize = maxauthsize;
2283         if (prandom_u32() % 4 == 0)
2284                 authsize = prandom_u32() % (maxauthsize + 1);
2285         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2286                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2287         if (WARN_ON(authsize > maxdatasize))
2288                 authsize = maxdatasize;
2289         maxdatasize -= authsize;
2290         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2291
2292         /* AAD, plaintext, and ciphertext lengths */
2293         total_len = generate_random_length(maxdatasize);
2294         if (prandom_u32() % 4 == 0)
2295                 vec->alen = 0;
2296         else
2297                 vec->alen = generate_random_length(total_len);
2298         vec->plen = total_len - vec->alen;
2299         vec->clen = vec->plen + authsize;
2300
2301         /*
2302          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2303          * key or the authentication tag size couldn't be set.
2304          */
2305         vec->novrfy = 0;
2306         vec->crypt_error = 0;
2307         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2308                 generate_aead_message(req, suite, vec, prefer_inauthentic);
2309         snprintf(name, max_namelen,
2310                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2311                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2312 }
2313
2314 static void try_to_generate_inauthentic_testvec(
2315                                         struct aead_extra_tests_ctx *ctx)
2316 {
2317         int i;
2318
2319         for (i = 0; i < 10; i++) {
2320                 generate_random_aead_testvec(ctx->req, &ctx->vec,
2321                                              &ctx->test_desc->suite.aead,
2322                                              ctx->maxkeysize, ctx->maxdatasize,
2323                                              ctx->vec_name,
2324                                              sizeof(ctx->vec_name), true);
2325                 if (ctx->vec.novrfy)
2326                         return;
2327         }
2328 }
2329
2330 /*
2331  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2332  * result of an encryption with the key) and verify that decryption fails.
2333  */
2334 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2335 {
2336         unsigned int i;
2337         int err;
2338
2339         for (i = 0; i < fuzz_iterations * 8; i++) {
2340                 /*
2341                  * Since this part of the tests isn't comparing the
2342                  * implementation to another, there's no point in testing any
2343                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2344                  *
2345                  * If we're having trouble generating such a test vector, e.g.
2346                  * if the algorithm keeps rejecting the generated keys, don't
2347                  * retry forever; just continue on.
2348                  */
2349                 try_to_generate_inauthentic_testvec(ctx);
2350                 if (ctx->vec.novrfy) {
2351                         generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2352                                                        sizeof(ctx->cfgname));
2353                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2354                                                 ctx->vec_name, &ctx->cfg,
2355                                                 ctx->req, ctx->tsgls);
2356                         if (err)
2357                                 return err;
2358                 }
2359                 cond_resched();
2360         }
2361         return 0;
2362 }
2363
2364 /*
2365  * Test the AEAD algorithm against the corresponding generic implementation, if
2366  * one is available.
2367  */
2368 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2369 {
2370         struct crypto_aead *tfm = ctx->tfm;
2371         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2372         const char *driver = crypto_aead_driver_name(tfm);
2373         const char *generic_driver = ctx->test_desc->generic_driver;
2374         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2375         struct crypto_aead *generic_tfm = NULL;
2376         struct aead_request *generic_req = NULL;
2377         unsigned int i;
2378         int err;
2379
2380         if (!generic_driver) { /* Use default naming convention? */
2381                 err = build_generic_driver_name(algname, _generic_driver);
2382                 if (err)
2383                         return err;
2384                 generic_driver = _generic_driver;
2385         }
2386
2387         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2388                 return 0;
2389
2390         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2391         if (IS_ERR(generic_tfm)) {
2392                 err = PTR_ERR(generic_tfm);
2393                 if (err == -ENOENT) {
2394                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2395                                 driver, generic_driver);
2396                         return 0;
2397                 }
2398                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2399                        generic_driver, algname, err);
2400                 return err;
2401         }
2402
2403         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2404         if (!generic_req) {
2405                 err = -ENOMEM;
2406                 goto out;
2407         }
2408
2409         /* Check the algorithm properties for consistency. */
2410
2411         if (crypto_aead_maxauthsize(tfm) !=
2412             crypto_aead_maxauthsize(generic_tfm)) {
2413                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2414                        driver, crypto_aead_maxauthsize(tfm),
2415                        crypto_aead_maxauthsize(generic_tfm));
2416                 err = -EINVAL;
2417                 goto out;
2418         }
2419
2420         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2421                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2422                        driver, crypto_aead_ivsize(tfm),
2423                        crypto_aead_ivsize(generic_tfm));
2424                 err = -EINVAL;
2425                 goto out;
2426         }
2427
2428         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2429                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2430                        driver, crypto_aead_blocksize(tfm),
2431                        crypto_aead_blocksize(generic_tfm));
2432                 err = -EINVAL;
2433                 goto out;
2434         }
2435
2436         /*
2437          * Now generate test vectors using the generic implementation, and test
2438          * the other implementation against them.
2439          */
2440         for (i = 0; i < fuzz_iterations * 8; i++) {
2441                 generate_random_aead_testvec(generic_req, &ctx->vec,
2442                                              &ctx->test_desc->suite.aead,
2443                                              ctx->maxkeysize, ctx->maxdatasize,
2444                                              ctx->vec_name,
2445                                              sizeof(ctx->vec_name), false);
2446                 generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2447                                                sizeof(ctx->cfgname));
2448                 if (!ctx->vec.novrfy) {
2449                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2450                                                 ctx->vec_name, &ctx->cfg,
2451                                                 ctx->req, ctx->tsgls);
2452                         if (err)
2453                                 goto out;
2454                 }
2455                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2456                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2457                                                 ctx->vec_name, &ctx->cfg,
2458                                                 ctx->req, ctx->tsgls);
2459                         if (err)
2460                                 goto out;
2461                 }
2462                 cond_resched();
2463         }
2464         err = 0;
2465 out:
2466         crypto_free_aead(generic_tfm);
2467         aead_request_free(generic_req);
2468         return err;
2469 }
2470
2471 static int test_aead_extra(const struct alg_test_desc *test_desc,
2472                            struct aead_request *req,
2473                            struct cipher_test_sglists *tsgls)
2474 {
2475         struct aead_extra_tests_ctx *ctx;
2476         unsigned int i;
2477         int err;
2478
2479         if (noextratests)
2480                 return 0;
2481
2482         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2483         if (!ctx)
2484                 return -ENOMEM;
2485         ctx->req = req;
2486         ctx->tfm = crypto_aead_reqtfm(req);
2487         ctx->test_desc = test_desc;
2488         ctx->tsgls = tsgls;
2489         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2490         ctx->maxkeysize = 0;
2491         for (i = 0; i < test_desc->suite.aead.count; i++)
2492                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2493                                         test_desc->suite.aead.vecs[i].klen);
2494
2495         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2496         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2497         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2498         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2499         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2500         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2501             !ctx->vec.ptext || !ctx->vec.ctext) {
2502                 err = -ENOMEM;
2503                 goto out;
2504         }
2505
2506         err = test_aead_vs_generic_impl(ctx);
2507         if (err)
2508                 goto out;
2509
2510         err = test_aead_inauthentic_inputs(ctx);
2511 out:
2512         kfree(ctx->vec.key);
2513         kfree(ctx->vec.iv);
2514         kfree(ctx->vec.assoc);
2515         kfree(ctx->vec.ptext);
2516         kfree(ctx->vec.ctext);
2517         kfree(ctx);
2518         return err;
2519 }
2520 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2521 static int test_aead_extra(const struct alg_test_desc *test_desc,
2522                            struct aead_request *req,
2523                            struct cipher_test_sglists *tsgls)
2524 {
2525         return 0;
2526 }
2527 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2528
2529 static int test_aead(int enc, const struct aead_test_suite *suite,
2530                      struct aead_request *req,
2531                      struct cipher_test_sglists *tsgls)
2532 {
2533         unsigned int i;
2534         int err;
2535
2536         for (i = 0; i < suite->count; i++) {
2537                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2538                 if (err)
2539                         return err;
2540                 cond_resched();
2541         }
2542         return 0;
2543 }
2544
2545 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2546                          u32 type, u32 mask)
2547 {
2548         const struct aead_test_suite *suite = &desc->suite.aead;
2549         struct crypto_aead *tfm;
2550         struct aead_request *req = NULL;
2551         struct cipher_test_sglists *tsgls = NULL;
2552         int err;
2553
2554         if (suite->count <= 0) {
2555                 pr_err("alg: aead: empty test suite for %s\n", driver);
2556                 return -EINVAL;
2557         }
2558
2559         tfm = crypto_alloc_aead(driver, type, mask);
2560         if (IS_ERR(tfm)) {
2561                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2562                        driver, PTR_ERR(tfm));
2563                 return PTR_ERR(tfm);
2564         }
2565         driver = crypto_aead_driver_name(tfm);
2566
2567         req = aead_request_alloc(tfm, GFP_KERNEL);
2568         if (!req) {
2569                 pr_err("alg: aead: failed to allocate request for %s\n",
2570                        driver);
2571                 err = -ENOMEM;
2572                 goto out;
2573         }
2574
2575         tsgls = alloc_cipher_test_sglists();
2576         if (!tsgls) {
2577                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2578                        driver);
2579                 err = -ENOMEM;
2580                 goto out;
2581         }
2582
2583         err = test_aead(ENCRYPT, suite, req, tsgls);
2584         if (err)
2585                 goto out;
2586
2587         err = test_aead(DECRYPT, suite, req, tsgls);
2588         if (err)
2589                 goto out;
2590
2591         err = test_aead_extra(desc, req, tsgls);
2592 out:
2593         free_cipher_test_sglists(tsgls);
2594         aead_request_free(req);
2595         crypto_free_aead(tfm);
2596         return err;
2597 }
2598
2599 static int test_cipher(struct crypto_cipher *tfm, int enc,
2600                        const struct cipher_testvec *template,
2601                        unsigned int tcount)
2602 {
2603         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2604         unsigned int i, j, k;
2605         char *q;
2606         const char *e;
2607         const char *input, *result;
2608         void *data;
2609         char *xbuf[XBUFSIZE];
2610         int ret = -ENOMEM;
2611
2612         if (testmgr_alloc_buf(xbuf))
2613                 goto out_nobuf;
2614
2615         if (enc == ENCRYPT)
2616                 e = "encryption";
2617         else
2618                 e = "decryption";
2619
2620         j = 0;
2621         for (i = 0; i < tcount; i++) {
2622
2623                 if (fips_enabled && template[i].fips_skip)
2624                         continue;
2625
2626                 input  = enc ? template[i].ptext : template[i].ctext;
2627                 result = enc ? template[i].ctext : template[i].ptext;
2628                 j++;
2629
2630                 ret = -EINVAL;
2631                 if (WARN_ON(template[i].len > PAGE_SIZE))
2632                         goto out;
2633
2634                 data = xbuf[0];
2635                 memcpy(data, input, template[i].len);
2636
2637                 crypto_cipher_clear_flags(tfm, ~0);
2638                 if (template[i].wk)
2639                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2640
2641                 ret = crypto_cipher_setkey(tfm, template[i].key,
2642                                            template[i].klen);
2643                 if (ret) {
2644                         if (ret == template[i].setkey_error)
2645                                 continue;
2646                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2647                                algo, j, template[i].setkey_error, ret,
2648                                crypto_cipher_get_flags(tfm));
2649                         goto out;
2650                 }
2651                 if (template[i].setkey_error) {
2652                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2653                                algo, j, template[i].setkey_error);
2654                         ret = -EINVAL;
2655                         goto out;
2656                 }
2657
2658                 for (k = 0; k < template[i].len;
2659                      k += crypto_cipher_blocksize(tfm)) {
2660                         if (enc)
2661                                 crypto_cipher_encrypt_one(tfm, data + k,
2662                                                           data + k);
2663                         else
2664                                 crypto_cipher_decrypt_one(tfm, data + k,
2665                                                           data + k);
2666                 }
2667
2668                 q = data;
2669                 if (memcmp(q, result, template[i].len)) {
2670                         printk(KERN_ERR "alg: cipher: Test %d failed "
2671                                "on %s for %s\n", j, e, algo);
2672                         hexdump(q, template[i].len);
2673                         ret = -EINVAL;
2674                         goto out;
2675                 }
2676         }
2677
2678         ret = 0;
2679
2680 out:
2681         testmgr_free_buf(xbuf);
2682 out_nobuf:
2683         return ret;
2684 }
2685
2686 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2687                                  const char *vec_name,
2688                                  const struct testvec_config *cfg,
2689                                  struct skcipher_request *req,
2690                                  struct cipher_test_sglists *tsgls)
2691 {
2692         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2693         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2694         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2695         const char *driver = crypto_skcipher_driver_name(tfm);
2696         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2697         const char *op = enc ? "encryption" : "decryption";
2698         DECLARE_CRYPTO_WAIT(wait);
2699         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2700         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2701                  cfg->iv_offset +
2702                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2703         struct kvec input;
2704         int err;
2705
2706         /* Set the key */
2707         if (vec->wk)
2708                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2709         else
2710                 crypto_skcipher_clear_flags(tfm,
2711                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2712         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2713                         cfg, alignmask);
2714         if (err) {
2715                 if (err == vec->setkey_error)
2716                         return 0;
2717                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2718                        driver, vec_name, vec->setkey_error, err,
2719                        crypto_skcipher_get_flags(tfm));
2720                 return err;
2721         }
2722         if (vec->setkey_error) {
2723                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2724                        driver, vec_name, vec->setkey_error);
2725                 return -EINVAL;
2726         }
2727
2728         /* The IV must be copied to a buffer, as the algorithm may modify it */
2729         if (ivsize) {
2730                 if (WARN_ON(ivsize > MAX_IVLEN))
2731                         return -EINVAL;
2732                 if (vec->generates_iv && !enc)
2733                         memcpy(iv, vec->iv_out, ivsize);
2734                 else if (vec->iv)
2735                         memcpy(iv, vec->iv, ivsize);
2736                 else
2737                         memset(iv, 0, ivsize);
2738         } else {
2739                 if (vec->generates_iv) {
2740                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2741                                driver, vec_name);
2742                         return -EINVAL;
2743                 }
2744                 iv = NULL;
2745         }
2746
2747         /* Build the src/dst scatterlists */
2748         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2749         input.iov_len = vec->len;
2750         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2751                                         vec->len, vec->len, &input, 1);
2752         if (err) {
2753                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2754                        driver, op, vec_name, cfg->name);
2755                 return err;
2756         }
2757
2758         /* Do the actual encryption or decryption */
2759         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2760         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2761         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2762                                    vec->len, iv);
2763         if (cfg->nosimd)
2764                 crypto_disable_simd_for_test();
2765         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2766         if (cfg->nosimd)
2767                 crypto_reenable_simd_for_test();
2768         err = crypto_wait_req(err, &wait);
2769
2770         /* Check that the algorithm didn't overwrite things it shouldn't have */
2771         if (req->cryptlen != vec->len ||
2772             req->iv != iv ||
2773             req->src != tsgls->src.sgl_ptr ||
2774             req->dst != tsgls->dst.sgl_ptr ||
2775             crypto_skcipher_reqtfm(req) != tfm ||
2776             req->base.complete != crypto_req_done ||
2777             req->base.flags != req_flags ||
2778             req->base.data != &wait) {
2779                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2780                        driver, op, vec_name, cfg->name);
2781                 if (req->cryptlen != vec->len)
2782                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2783                 if (req->iv != iv)
2784                         pr_err("alg: skcipher: changed 'req->iv'\n");
2785                 if (req->src != tsgls->src.sgl_ptr)
2786                         pr_err("alg: skcipher: changed 'req->src'\n");
2787                 if (req->dst != tsgls->dst.sgl_ptr)
2788                         pr_err("alg: skcipher: changed 'req->dst'\n");
2789                 if (crypto_skcipher_reqtfm(req) != tfm)
2790                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2791                 if (req->base.complete != crypto_req_done)
2792                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2793                 if (req->base.flags != req_flags)
2794                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2795                 if (req->base.data != &wait)
2796                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2797                 return -EINVAL;
2798         }
2799         if (is_test_sglist_corrupted(&tsgls->src)) {
2800                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2801                        driver, op, vec_name, cfg->name);
2802                 return -EINVAL;
2803         }
2804         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2805             is_test_sglist_corrupted(&tsgls->dst)) {
2806                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2807                        driver, op, vec_name, cfg->name);
2808                 return -EINVAL;
2809         }
2810
2811         /* Check for success or failure */
2812         if (err) {
2813                 if (err == vec->crypt_error)
2814                         return 0;
2815                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2816                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2817                 return err;
2818         }
2819         if (vec->crypt_error) {
2820                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2821                        driver, op, vec_name, vec->crypt_error, cfg->name);
2822                 return -EINVAL;
2823         }
2824
2825         /* Check for the correct output (ciphertext or plaintext) */
2826         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2827                                     vec->len, 0, true);
2828         if (err == -EOVERFLOW) {
2829                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2830                        driver, op, vec_name, cfg->name);
2831                 return err;
2832         }
2833         if (err) {
2834                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2835                        driver, op, vec_name, cfg->name);
2836                 return err;
2837         }
2838
2839         /* If applicable, check that the algorithm generated the correct IV */
2840         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2841                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2842                        driver, op, vec_name, cfg->name);
2843                 hexdump(iv, ivsize);
2844                 return -EINVAL;
2845         }
2846
2847         return 0;
2848 }
2849
2850 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2851                              unsigned int vec_num,
2852                              struct skcipher_request *req,
2853                              struct cipher_test_sglists *tsgls)
2854 {
2855         char vec_name[16];
2856         unsigned int i;
2857         int err;
2858
2859         if (fips_enabled && vec->fips_skip)
2860                 return 0;
2861
2862         sprintf(vec_name, "%u", vec_num);
2863
2864         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2865                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2866                                             &default_cipher_testvec_configs[i],
2867                                             req, tsgls);
2868                 if (err)
2869                         return err;
2870         }
2871
2872 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2873         if (!noextratests) {
2874                 struct testvec_config cfg;
2875                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2876
2877                 for (i = 0; i < fuzz_iterations; i++) {
2878                         generate_random_testvec_config(&cfg, cfgname,
2879                                                        sizeof(cfgname));
2880                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
2881                                                     &cfg, req, tsgls);
2882                         if (err)
2883                                 return err;
2884                         cond_resched();
2885                 }
2886         }
2887 #endif
2888         return 0;
2889 }
2890
2891 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2892 /*
2893  * Generate a symmetric cipher test vector from the given implementation.
2894  * Assumes the buffers in 'vec' were already allocated.
2895  */
2896 static void generate_random_cipher_testvec(struct skcipher_request *req,
2897                                            struct cipher_testvec *vec,
2898                                            unsigned int maxdatasize,
2899                                            char *name, size_t max_namelen)
2900 {
2901         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2902         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2903         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2904         struct scatterlist src, dst;
2905         u8 iv[MAX_IVLEN];
2906         DECLARE_CRYPTO_WAIT(wait);
2907
2908         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2909         vec->klen = maxkeysize;
2910         if (prandom_u32() % 4 == 0)
2911                 vec->klen = prandom_u32() % (maxkeysize + 1);
2912         generate_random_bytes((u8 *)vec->key, vec->klen);
2913         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2914
2915         /* IV */
2916         generate_random_bytes((u8 *)vec->iv, ivsize);
2917
2918         /* Plaintext */
2919         vec->len = generate_random_length(maxdatasize);
2920         generate_random_bytes((u8 *)vec->ptext, vec->len);
2921
2922         /* If the key couldn't be set, no need to continue to encrypt. */
2923         if (vec->setkey_error)
2924                 goto done;
2925
2926         /* Ciphertext */
2927         sg_init_one(&src, vec->ptext, vec->len);
2928         sg_init_one(&dst, vec->ctext, vec->len);
2929         memcpy(iv, vec->iv, ivsize);
2930         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2931         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2932         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2933         if (vec->crypt_error != 0) {
2934                 /*
2935                  * The only acceptable error here is for an invalid length, so
2936                  * skcipher decryption should fail with the same error too.
2937                  * We'll test for this.  But to keep the API usage well-defined,
2938                  * explicitly initialize the ciphertext buffer too.
2939                  */
2940                 memset((u8 *)vec->ctext, 0, vec->len);
2941         }
2942 done:
2943         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2944                  vec->len, vec->klen);
2945 }
2946
2947 /*
2948  * Test the skcipher algorithm represented by @req against the corresponding
2949  * generic implementation, if one is available.
2950  */
2951 static int test_skcipher_vs_generic_impl(const char *generic_driver,
2952                                          struct skcipher_request *req,
2953                                          struct cipher_test_sglists *tsgls)
2954 {
2955         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2956         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2957         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2958         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2959         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2960         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2961         const char *driver = crypto_skcipher_driver_name(tfm);
2962         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2963         struct crypto_skcipher *generic_tfm = NULL;
2964         struct skcipher_request *generic_req = NULL;
2965         unsigned int i;
2966         struct cipher_testvec vec = { 0 };
2967         char vec_name[64];
2968         struct testvec_config *cfg;
2969         char cfgname[TESTVEC_CONFIG_NAMELEN];
2970         int err;
2971
2972         if (noextratests)
2973                 return 0;
2974
2975         /* Keywrap isn't supported here yet as it handles its IV differently. */
2976         if (strncmp(algname, "kw(", 3) == 0)
2977                 return 0;
2978
2979         if (!generic_driver) { /* Use default naming convention? */
2980                 err = build_generic_driver_name(algname, _generic_driver);
2981                 if (err)
2982                         return err;
2983                 generic_driver = _generic_driver;
2984         }
2985
2986         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2987                 return 0;
2988
2989         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
2990         if (IS_ERR(generic_tfm)) {
2991                 err = PTR_ERR(generic_tfm);
2992                 if (err == -ENOENT) {
2993                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
2994                                 driver, generic_driver);
2995                         return 0;
2996                 }
2997                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
2998                        generic_driver, algname, err);
2999                 return err;
3000         }
3001
3002         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3003         if (!cfg) {
3004                 err = -ENOMEM;
3005                 goto out;
3006         }
3007
3008         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3009         if (!generic_req) {
3010                 err = -ENOMEM;
3011                 goto out;
3012         }
3013
3014         /* Check the algorithm properties for consistency. */
3015
3016         if (crypto_skcipher_min_keysize(tfm) !=
3017             crypto_skcipher_min_keysize(generic_tfm)) {
3018                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3019                        driver, crypto_skcipher_min_keysize(tfm),
3020                        crypto_skcipher_min_keysize(generic_tfm));
3021                 err = -EINVAL;
3022                 goto out;
3023         }
3024
3025         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3026                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3027                        driver, maxkeysize,
3028                        crypto_skcipher_max_keysize(generic_tfm));
3029                 err = -EINVAL;
3030                 goto out;
3031         }
3032
3033         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3034                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3035                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3036                 err = -EINVAL;
3037                 goto out;
3038         }
3039
3040         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3041                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3042                        driver, blocksize,
3043                        crypto_skcipher_blocksize(generic_tfm));
3044                 err = -EINVAL;
3045                 goto out;
3046         }
3047
3048         /*
3049          * Now generate test vectors using the generic implementation, and test
3050          * the other implementation against them.
3051          */
3052
3053         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3054         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3055         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3056         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3057         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3058                 err = -ENOMEM;
3059                 goto out;
3060         }
3061
3062         for (i = 0; i < fuzz_iterations * 8; i++) {
3063                 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3064                                                vec_name, sizeof(vec_name));
3065                 generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3066
3067                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3068                                             cfg, req, tsgls);
3069                 if (err)
3070                         goto out;
3071                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3072                                             cfg, req, tsgls);
3073                 if (err)
3074                         goto out;
3075                 cond_resched();
3076         }
3077         err = 0;
3078 out:
3079         kfree(cfg);
3080         kfree(vec.key);
3081         kfree(vec.iv);
3082         kfree(vec.ptext);
3083         kfree(vec.ctext);
3084         crypto_free_skcipher(generic_tfm);
3085         skcipher_request_free(generic_req);
3086         return err;
3087 }
3088 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3089 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3090                                          struct skcipher_request *req,
3091                                          struct cipher_test_sglists *tsgls)
3092 {
3093         return 0;
3094 }
3095 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3096
3097 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3098                          struct skcipher_request *req,
3099                          struct cipher_test_sglists *tsgls)
3100 {
3101         unsigned int i;
3102         int err;
3103
3104         for (i = 0; i < suite->count; i++) {
3105                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3106                 if (err)
3107                         return err;
3108                 cond_resched();
3109         }
3110         return 0;
3111 }
3112
3113 static int alg_test_skcipher(const struct alg_test_desc *desc,
3114                              const char *driver, u32 type, u32 mask)
3115 {
3116         const struct cipher_test_suite *suite = &desc->suite.cipher;
3117         struct crypto_skcipher *tfm;
3118         struct skcipher_request *req = NULL;
3119         struct cipher_test_sglists *tsgls = NULL;
3120         int err;
3121
3122         if (suite->count <= 0) {
3123                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3124                 return -EINVAL;
3125         }
3126
3127         tfm = crypto_alloc_skcipher(driver, type, mask);
3128         if (IS_ERR(tfm)) {
3129                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3130                        driver, PTR_ERR(tfm));
3131                 return PTR_ERR(tfm);
3132         }
3133         driver = crypto_skcipher_driver_name(tfm);
3134
3135         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3136         if (!req) {
3137                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3138                        driver);
3139                 err = -ENOMEM;
3140                 goto out;
3141         }
3142
3143         tsgls = alloc_cipher_test_sglists();
3144         if (!tsgls) {
3145                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3146                        driver);
3147                 err = -ENOMEM;
3148                 goto out;
3149         }
3150
3151         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3152         if (err)
3153                 goto out;
3154
3155         err = test_skcipher(DECRYPT, suite, req, tsgls);
3156         if (err)
3157                 goto out;
3158
3159         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3160 out:
3161         free_cipher_test_sglists(tsgls);
3162         skcipher_request_free(req);
3163         crypto_free_skcipher(tfm);
3164         return err;
3165 }
3166
3167 static int test_comp(struct crypto_comp *tfm,
3168                      const struct comp_testvec *ctemplate,
3169                      const struct comp_testvec *dtemplate,
3170                      int ctcount, int dtcount)
3171 {
3172         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3173         char *output, *decomp_output;
3174         unsigned int i;
3175         int ret;
3176
3177         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3178         if (!output)
3179                 return -ENOMEM;
3180
3181         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3182         if (!decomp_output) {
3183                 kfree(output);
3184                 return -ENOMEM;
3185         }
3186
3187         for (i = 0; i < ctcount; i++) {
3188                 int ilen;
3189                 unsigned int dlen = COMP_BUF_SIZE;
3190
3191                 memset(output, 0, COMP_BUF_SIZE);
3192                 memset(decomp_output, 0, COMP_BUF_SIZE);
3193
3194                 ilen = ctemplate[i].inlen;
3195                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3196                                            ilen, output, &dlen);
3197                 if (ret) {
3198                         printk(KERN_ERR "alg: comp: compression failed "
3199                                "on test %d for %s: ret=%d\n", i + 1, algo,
3200                                -ret);
3201                         goto out;
3202                 }
3203
3204                 ilen = dlen;
3205                 dlen = COMP_BUF_SIZE;
3206                 ret = crypto_comp_decompress(tfm, output,
3207                                              ilen, decomp_output, &dlen);
3208                 if (ret) {
3209                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3210                                i + 1, algo, -ret);
3211                         goto out;
3212                 }
3213
3214                 if (dlen != ctemplate[i].inlen) {
3215                         printk(KERN_ERR "alg: comp: Compression test %d "
3216                                "failed for %s: output len = %d\n", i + 1, algo,
3217                                dlen);
3218                         ret = -EINVAL;
3219                         goto out;
3220                 }
3221
3222                 if (memcmp(decomp_output, ctemplate[i].input,
3223                            ctemplate[i].inlen)) {
3224                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3225                                i + 1, algo);
3226                         hexdump(decomp_output, dlen);
3227                         ret = -EINVAL;
3228                         goto out;
3229                 }
3230         }
3231
3232         for (i = 0; i < dtcount; i++) {
3233                 int ilen;
3234                 unsigned int dlen = COMP_BUF_SIZE;
3235
3236                 memset(decomp_output, 0, COMP_BUF_SIZE);
3237
3238                 ilen = dtemplate[i].inlen;
3239                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3240                                              ilen, decomp_output, &dlen);
3241                 if (ret) {
3242                         printk(KERN_ERR "alg: comp: decompression failed "
3243                                "on test %d for %s: ret=%d\n", i + 1, algo,
3244                                -ret);
3245                         goto out;
3246                 }
3247
3248                 if (dlen != dtemplate[i].outlen) {
3249                         printk(KERN_ERR "alg: comp: Decompression test %d "
3250                                "failed for %s: output len = %d\n", i + 1, algo,
3251                                dlen);
3252                         ret = -EINVAL;
3253                         goto out;
3254                 }
3255
3256                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3257                         printk(KERN_ERR "alg: comp: Decompression test %d "
3258                                "failed for %s\n", i + 1, algo);
3259                         hexdump(decomp_output, dlen);
3260                         ret = -EINVAL;
3261                         goto out;
3262                 }
3263         }
3264
3265         ret = 0;
3266
3267 out:
3268         kfree(decomp_output);
3269         kfree(output);
3270         return ret;
3271 }
3272
3273 static int test_acomp(struct crypto_acomp *tfm,
3274                               const struct comp_testvec *ctemplate,
3275                       const struct comp_testvec *dtemplate,
3276                       int ctcount, int dtcount)
3277 {
3278         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3279         unsigned int i;
3280         char *output, *decomp_out;
3281         int ret;
3282         struct scatterlist src, dst;
3283         struct acomp_req *req;
3284         struct crypto_wait wait;
3285
3286         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3287         if (!output)
3288                 return -ENOMEM;
3289
3290         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3291         if (!decomp_out) {
3292                 kfree(output);
3293                 return -ENOMEM;
3294         }
3295
3296         for (i = 0; i < ctcount; i++) {
3297                 unsigned int dlen = COMP_BUF_SIZE;
3298                 int ilen = ctemplate[i].inlen;
3299                 void *input_vec;
3300
3301                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3302                 if (!input_vec) {
3303                         ret = -ENOMEM;
3304                         goto out;
3305                 }
3306
3307                 memset(output, 0, dlen);
3308                 crypto_init_wait(&wait);
3309                 sg_init_one(&src, input_vec, ilen);
3310                 sg_init_one(&dst, output, dlen);
3311
3312                 req = acomp_request_alloc(tfm);
3313                 if (!req) {
3314                         pr_err("alg: acomp: request alloc failed for %s\n",
3315                                algo);
3316                         kfree(input_vec);
3317                         ret = -ENOMEM;
3318                         goto out;
3319                 }
3320
3321                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3322                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3323                                            crypto_req_done, &wait);
3324
3325                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3326                 if (ret) {
3327                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3328                                i + 1, algo, -ret);
3329                         kfree(input_vec);
3330                         acomp_request_free(req);
3331                         goto out;
3332                 }
3333
3334                 ilen = req->dlen;
3335                 dlen = COMP_BUF_SIZE;
3336                 sg_init_one(&src, output, ilen);
3337                 sg_init_one(&dst, decomp_out, dlen);
3338                 crypto_init_wait(&wait);
3339                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3340
3341                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3342                 if (ret) {
3343                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3344                                i + 1, algo, -ret);
3345                         kfree(input_vec);
3346                         acomp_request_free(req);
3347                         goto out;
3348                 }
3349
3350                 if (req->dlen != ctemplate[i].inlen) {
3351                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3352                                i + 1, algo, req->dlen);
3353                         ret = -EINVAL;
3354                         kfree(input_vec);
3355                         acomp_request_free(req);
3356                         goto out;
3357                 }
3358
3359                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3360                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3361                                i + 1, algo);
3362                         hexdump(output, req->dlen);
3363                         ret = -EINVAL;
3364                         kfree(input_vec);
3365                         acomp_request_free(req);
3366                         goto out;
3367                 }
3368
3369                 kfree(input_vec);
3370                 acomp_request_free(req);
3371         }
3372
3373         for (i = 0; i < dtcount; i++) {
3374                 unsigned int dlen = COMP_BUF_SIZE;
3375                 int ilen = dtemplate[i].inlen;
3376                 void *input_vec;
3377
3378                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3379                 if (!input_vec) {
3380                         ret = -ENOMEM;
3381                         goto out;
3382                 }
3383
3384                 memset(output, 0, dlen);
3385                 crypto_init_wait(&wait);
3386                 sg_init_one(&src, input_vec, ilen);
3387                 sg_init_one(&dst, output, dlen);
3388
3389                 req = acomp_request_alloc(tfm);
3390                 if (!req) {
3391                         pr_err("alg: acomp: request alloc failed for %s\n",
3392                                algo);
3393                         kfree(input_vec);
3394                         ret = -ENOMEM;
3395                         goto out;
3396                 }
3397
3398                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3399                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3400                                            crypto_req_done, &wait);
3401
3402                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3403                 if (ret) {
3404                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3405                                i + 1, algo, -ret);
3406                         kfree(input_vec);
3407                         acomp_request_free(req);
3408                         goto out;
3409                 }
3410
3411                 if (req->dlen != dtemplate[i].outlen) {
3412                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3413                                i + 1, algo, req->dlen);
3414                         ret = -EINVAL;
3415                         kfree(input_vec);
3416                         acomp_request_free(req);
3417                         goto out;
3418                 }
3419
3420                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3421                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3422                                i + 1, algo);
3423                         hexdump(output, req->dlen);
3424                         ret = -EINVAL;
3425                         kfree(input_vec);
3426                         acomp_request_free(req);
3427                         goto out;
3428                 }
3429
3430                 kfree(input_vec);
3431                 acomp_request_free(req);
3432         }
3433
3434         ret = 0;
3435
3436 out:
3437         kfree(decomp_out);
3438         kfree(output);
3439         return ret;
3440 }
3441
3442 static int test_cprng(struct crypto_rng *tfm,
3443                       const struct cprng_testvec *template,
3444                       unsigned int tcount)
3445 {
3446         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3447         int err = 0, i, j, seedsize;
3448         u8 *seed;
3449         char result[32];
3450
3451         seedsize = crypto_rng_seedsize(tfm);
3452
3453         seed = kmalloc(seedsize, GFP_KERNEL);
3454         if (!seed) {
3455                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3456                        "for %s\n", algo);
3457                 return -ENOMEM;
3458         }
3459
3460         for (i = 0; i < tcount; i++) {
3461                 memset(result, 0, 32);
3462
3463                 memcpy(seed, template[i].v, template[i].vlen);
3464                 memcpy(seed + template[i].vlen, template[i].key,
3465                        template[i].klen);
3466                 memcpy(seed + template[i].vlen + template[i].klen,
3467                        template[i].dt, template[i].dtlen);
3468
3469                 err = crypto_rng_reset(tfm, seed, seedsize);
3470                 if (err) {
3471                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3472                                "for %s\n", algo);
3473                         goto out;
3474                 }
3475
3476                 for (j = 0; j < template[i].loops; j++) {
3477                         err = crypto_rng_get_bytes(tfm, result,
3478                                                    template[i].rlen);
3479                         if (err < 0) {
3480                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3481                                        "the correct amount of random data for "
3482                                        "%s (requested %d)\n", algo,
3483                                        template[i].rlen);
3484                                 goto out;
3485                         }
3486                 }
3487
3488                 err = memcmp(result, template[i].result,
3489                              template[i].rlen);
3490                 if (err) {
3491                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3492                                i, algo);
3493                         hexdump(result, template[i].rlen);
3494                         err = -EINVAL;
3495                         goto out;
3496                 }
3497         }
3498
3499 out:
3500         kfree(seed);
3501         return err;
3502 }
3503
3504 static int alg_test_cipher(const struct alg_test_desc *desc,
3505                            const char *driver, u32 type, u32 mask)
3506 {
3507         const struct cipher_test_suite *suite = &desc->suite.cipher;
3508         struct crypto_cipher *tfm;
3509         int err;
3510
3511         tfm = crypto_alloc_cipher(driver, type, mask);
3512         if (IS_ERR(tfm)) {
3513                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3514                        "%s: %ld\n", driver, PTR_ERR(tfm));
3515                 return PTR_ERR(tfm);
3516         }
3517
3518         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3519         if (!err)
3520                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3521
3522         crypto_free_cipher(tfm);
3523         return err;
3524 }
3525
3526 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3527                          u32 type, u32 mask)
3528 {
3529         struct crypto_comp *comp;
3530         struct crypto_acomp *acomp;
3531         int err;
3532         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3533
3534         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3535                 acomp = crypto_alloc_acomp(driver, type, mask);
3536                 if (IS_ERR(acomp)) {
3537                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3538                                driver, PTR_ERR(acomp));
3539                         return PTR_ERR(acomp);
3540                 }
3541                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3542                                  desc->suite.comp.decomp.vecs,
3543                                  desc->suite.comp.comp.count,
3544                                  desc->suite.comp.decomp.count);
3545                 crypto_free_acomp(acomp);
3546         } else {
3547                 comp = crypto_alloc_comp(driver, type, mask);
3548                 if (IS_ERR(comp)) {
3549                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3550                                driver, PTR_ERR(comp));
3551                         return PTR_ERR(comp);
3552                 }
3553
3554                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3555                                 desc->suite.comp.decomp.vecs,
3556                                 desc->suite.comp.comp.count,
3557                                 desc->suite.comp.decomp.count);
3558
3559                 crypto_free_comp(comp);
3560         }
3561         return err;
3562 }
3563
3564 static int alg_test_crc32c(const struct alg_test_desc *desc,
3565                            const char *driver, u32 type, u32 mask)
3566 {
3567         struct crypto_shash *tfm;
3568         __le32 val;
3569         int err;
3570
3571         err = alg_test_hash(desc, driver, type, mask);
3572         if (err)
3573                 return err;
3574
3575         tfm = crypto_alloc_shash(driver, type, mask);
3576         if (IS_ERR(tfm)) {
3577                 if (PTR_ERR(tfm) == -ENOENT) {
3578                         /*
3579                          * This crc32c implementation is only available through
3580                          * ahash API, not the shash API, so the remaining part
3581                          * of the test is not applicable to it.
3582                          */
3583                         return 0;
3584                 }
3585                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3586                        "%ld\n", driver, PTR_ERR(tfm));
3587                 return PTR_ERR(tfm);
3588         }
3589         driver = crypto_shash_driver_name(tfm);
3590
3591         do {
3592                 SHASH_DESC_ON_STACK(shash, tfm);
3593                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3594
3595                 shash->tfm = tfm;
3596
3597                 *ctx = 420553207;
3598                 err = crypto_shash_final(shash, (u8 *)&val);
3599                 if (err) {
3600                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3601                                "%s: %d\n", driver, err);
3602                         break;
3603                 }
3604
3605                 if (val != cpu_to_le32(~420553207)) {
3606                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3607                                driver, le32_to_cpu(val));
3608                         err = -EINVAL;
3609                 }
3610         } while (0);
3611
3612         crypto_free_shash(tfm);
3613
3614         return err;
3615 }
3616
3617 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3618                           u32 type, u32 mask)
3619 {
3620         struct crypto_rng *rng;
3621         int err;
3622
3623         rng = crypto_alloc_rng(driver, type, mask);
3624         if (IS_ERR(rng)) {
3625                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3626                        "%ld\n", driver, PTR_ERR(rng));
3627                 return PTR_ERR(rng);
3628         }
3629
3630         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3631
3632         crypto_free_rng(rng);
3633
3634         return err;
3635 }
3636
3637
3638 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3639                           const char *driver, u32 type, u32 mask)
3640 {
3641         int ret = -EAGAIN;
3642         struct crypto_rng *drng;
3643         struct drbg_test_data test_data;
3644         struct drbg_string addtl, pers, testentropy;
3645         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3646
3647         if (!buf)
3648                 return -ENOMEM;
3649
3650         drng = crypto_alloc_rng(driver, type, mask);
3651         if (IS_ERR(drng)) {
3652                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3653                        "%s\n", driver);
3654                 kfree_sensitive(buf);
3655                 return -ENOMEM;
3656         }
3657
3658         test_data.testentropy = &testentropy;
3659         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3660         drbg_string_fill(&pers, test->pers, test->perslen);
3661         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3662         if (ret) {
3663                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3664                 goto outbuf;
3665         }
3666
3667         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3668         if (pr) {
3669                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3670                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3671                         buf, test->expectedlen, &addtl, &test_data);
3672         } else {
3673                 ret = crypto_drbg_get_bytes_addtl(drng,
3674                         buf, test->expectedlen, &addtl);
3675         }
3676         if (ret < 0) {
3677                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3678                        "driver %s\n", driver);
3679                 goto outbuf;
3680         }
3681
3682         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3683         if (pr) {
3684                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3685                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3686                         buf, test->expectedlen, &addtl, &test_data);
3687         } else {
3688                 ret = crypto_drbg_get_bytes_addtl(drng,
3689                         buf, test->expectedlen, &addtl);
3690         }
3691         if (ret < 0) {
3692                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3693                        "driver %s\n", driver);
3694                 goto outbuf;
3695         }
3696
3697         ret = memcmp(test->expected, buf, test->expectedlen);
3698
3699 outbuf:
3700         crypto_free_rng(drng);
3701         kfree_sensitive(buf);
3702         return ret;
3703 }
3704
3705
3706 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3707                          u32 type, u32 mask)
3708 {
3709         int err = 0;
3710         int pr = 0;
3711         int i = 0;
3712         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3713         unsigned int tcount = desc->suite.drbg.count;
3714
3715         if (0 == memcmp(driver, "drbg_pr_", 8))
3716                 pr = 1;
3717
3718         for (i = 0; i < tcount; i++) {
3719                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3720                 if (err) {
3721                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3722                                i, driver);
3723                         err = -EINVAL;
3724                         break;
3725                 }
3726         }
3727         return err;
3728
3729 }
3730
3731 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3732                        const char *alg)
3733 {
3734         struct kpp_request *req;
3735         void *input_buf = NULL;
3736         void *output_buf = NULL;
3737         void *a_public = NULL;
3738         void *a_ss = NULL;
3739         void *shared_secret = NULL;
3740         struct crypto_wait wait;
3741         unsigned int out_len_max;
3742         int err = -ENOMEM;
3743         struct scatterlist src, dst;
3744
3745         req = kpp_request_alloc(tfm, GFP_KERNEL);
3746         if (!req)
3747                 return err;
3748
3749         crypto_init_wait(&wait);
3750
3751         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3752         if (err < 0)
3753                 goto free_req;
3754
3755         out_len_max = crypto_kpp_maxsize(tfm);
3756         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3757         if (!output_buf) {
3758                 err = -ENOMEM;
3759                 goto free_req;
3760         }
3761
3762         /* Use appropriate parameter as base */
3763         kpp_request_set_input(req, NULL, 0);
3764         sg_init_one(&dst, output_buf, out_len_max);
3765         kpp_request_set_output(req, &dst, out_len_max);
3766         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3767                                  crypto_req_done, &wait);
3768
3769         /* Compute party A's public key */
3770         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3771         if (err) {
3772                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3773                        alg, err);
3774                 goto free_output;
3775         }
3776
3777         if (vec->genkey) {
3778                 /* Save party A's public key */
3779                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3780                 if (!a_public) {
3781                         err = -ENOMEM;
3782                         goto free_output;
3783                 }
3784         } else {
3785                 /* Verify calculated public key */
3786                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3787                            vec->expected_a_public_size)) {
3788                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3789                                alg);
3790                         err = -EINVAL;
3791                         goto free_output;
3792                 }
3793         }
3794
3795         /* Calculate shared secret key by using counter part (b) public key. */
3796         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3797         if (!input_buf) {
3798                 err = -ENOMEM;
3799                 goto free_output;
3800         }
3801
3802         sg_init_one(&src, input_buf, vec->b_public_size);
3803         sg_init_one(&dst, output_buf, out_len_max);
3804         kpp_request_set_input(req, &src, vec->b_public_size);
3805         kpp_request_set_output(req, &dst, out_len_max);
3806         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3807                                  crypto_req_done, &wait);
3808         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3809         if (err) {
3810                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3811                        alg, err);
3812                 goto free_all;
3813         }
3814
3815         if (vec->genkey) {
3816                 /* Save the shared secret obtained by party A */
3817                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3818                 if (!a_ss) {
3819                         err = -ENOMEM;
3820                         goto free_all;
3821                 }
3822
3823                 /*
3824                  * Calculate party B's shared secret by using party A's
3825                  * public key.
3826                  */
3827                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3828                                             vec->b_secret_size);
3829                 if (err < 0)
3830                         goto free_all;
3831
3832                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3833                 sg_init_one(&dst, output_buf, out_len_max);
3834                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3835                 kpp_request_set_output(req, &dst, out_len_max);
3836                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3837                                          crypto_req_done, &wait);
3838                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3839                                       &wait);
3840                 if (err) {
3841                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3842                                alg, err);
3843                         goto free_all;
3844                 }
3845
3846                 shared_secret = a_ss;
3847         } else {
3848                 shared_secret = (void *)vec->expected_ss;
3849         }
3850
3851         /*
3852          * verify shared secret from which the user will derive
3853          * secret key by executing whatever hash it has chosen
3854          */
3855         if (memcmp(shared_secret, sg_virt(req->dst),
3856                    vec->expected_ss_size)) {
3857                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3858                        alg);
3859                 err = -EINVAL;
3860         }
3861
3862 free_all:
3863         kfree(a_ss);
3864         kfree(input_buf);
3865 free_output:
3866         kfree(a_public);
3867         kfree(output_buf);
3868 free_req:
3869         kpp_request_free(req);
3870         return err;
3871 }
3872
3873 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3874                     const struct kpp_testvec *vecs, unsigned int tcount)
3875 {
3876         int ret, i;
3877
3878         for (i = 0; i < tcount; i++) {
3879                 ret = do_test_kpp(tfm, vecs++, alg);
3880                 if (ret) {
3881                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
3882                                alg, i + 1, ret);
3883                         return ret;
3884                 }
3885         }
3886         return 0;
3887 }
3888
3889 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3890                         u32 type, u32 mask)
3891 {
3892         struct crypto_kpp *tfm;
3893         int err = 0;
3894
3895         tfm = crypto_alloc_kpp(driver, type, mask);
3896         if (IS_ERR(tfm)) {
3897                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3898                        driver, PTR_ERR(tfm));
3899                 return PTR_ERR(tfm);
3900         }
3901         if (desc->suite.kpp.vecs)
3902                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3903                                desc->suite.kpp.count);
3904
3905         crypto_free_kpp(tfm);
3906         return err;
3907 }
3908
3909 static u8 *test_pack_u32(u8 *dst, u32 val)
3910 {
3911         memcpy(dst, &val, sizeof(val));
3912         return dst + sizeof(val);
3913 }
3914
3915 static int test_akcipher_one(struct crypto_akcipher *tfm,
3916                              const struct akcipher_testvec *vecs)
3917 {
3918         char *xbuf[XBUFSIZE];
3919         struct akcipher_request *req;
3920         void *outbuf_enc = NULL;
3921         void *outbuf_dec = NULL;
3922         struct crypto_wait wait;
3923         unsigned int out_len_max, out_len = 0;
3924         int err = -ENOMEM;
3925         struct scatterlist src, dst, src_tab[3];
3926         const char *m, *c;
3927         unsigned int m_size, c_size;
3928         const char *op;
3929         u8 *key, *ptr;
3930
3931         if (testmgr_alloc_buf(xbuf))
3932                 return err;
3933
3934         req = akcipher_request_alloc(tfm, GFP_KERNEL);
3935         if (!req)
3936                 goto free_xbuf;
3937
3938         crypto_init_wait(&wait);
3939
3940         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3941                       GFP_KERNEL);
3942         if (!key)
3943                 goto free_req;
3944         memcpy(key, vecs->key, vecs->key_len);
3945         ptr = key + vecs->key_len;
3946         ptr = test_pack_u32(ptr, vecs->algo);
3947         ptr = test_pack_u32(ptr, vecs->param_len);
3948         memcpy(ptr, vecs->params, vecs->param_len);
3949
3950         if (vecs->public_key_vec)
3951                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3952         else
3953                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3954         if (err)
3955                 goto free_key;
3956
3957         /*
3958          * First run test which do not require a private key, such as
3959          * encrypt or verify.
3960          */
3961         err = -ENOMEM;
3962         out_len_max = crypto_akcipher_maxsize(tfm);
3963         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3964         if (!outbuf_enc)
3965                 goto free_key;
3966
3967         if (!vecs->siggen_sigver_test) {
3968                 m = vecs->m;
3969                 m_size = vecs->m_size;
3970                 c = vecs->c;
3971                 c_size = vecs->c_size;
3972                 op = "encrypt";
3973         } else {
3974                 /* Swap args so we could keep plaintext (digest)
3975                  * in vecs->m, and cooked signature in vecs->c.
3976                  */
3977                 m = vecs->c; /* signature */
3978                 m_size = vecs->c_size;
3979                 c = vecs->m; /* digest */
3980                 c_size = vecs->m_size;
3981                 op = "verify";
3982         }
3983
3984         err = -E2BIG;
3985         if (WARN_ON(m_size > PAGE_SIZE))
3986                 goto free_all;
3987         memcpy(xbuf[0], m, m_size);
3988
3989         sg_init_table(src_tab, 3);
3990         sg_set_buf(&src_tab[0], xbuf[0], 8);
3991         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
3992         if (vecs->siggen_sigver_test) {
3993                 if (WARN_ON(c_size > PAGE_SIZE))
3994                         goto free_all;
3995                 memcpy(xbuf[1], c, c_size);
3996                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
3997                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
3998         } else {
3999                 sg_init_one(&dst, outbuf_enc, out_len_max);
4000                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4001                                            out_len_max);
4002         }
4003         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4004                                       crypto_req_done, &wait);
4005
4006         err = crypto_wait_req(vecs->siggen_sigver_test ?
4007                               /* Run asymmetric signature verification */
4008                               crypto_akcipher_verify(req) :
4009                               /* Run asymmetric encrypt */
4010                               crypto_akcipher_encrypt(req), &wait);
4011         if (err) {
4012                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4013                 goto free_all;
4014         }
4015         if (!vecs->siggen_sigver_test && c) {
4016                 if (req->dst_len != c_size) {
4017                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4018                                op);
4019                         err = -EINVAL;
4020                         goto free_all;
4021                 }
4022                 /* verify that encrypted message is equal to expected */
4023                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4024                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4025                                op);
4026                         hexdump(outbuf_enc, c_size);
4027                         err = -EINVAL;
4028                         goto free_all;
4029                 }
4030         }
4031
4032         /*
4033          * Don't invoke (decrypt or sign) test which require a private key
4034          * for vectors with only a public key.
4035          */
4036         if (vecs->public_key_vec) {
4037                 err = 0;
4038                 goto free_all;
4039         }
4040         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4041         if (!outbuf_dec) {
4042                 err = -ENOMEM;
4043                 goto free_all;
4044         }
4045
4046         if (!vecs->siggen_sigver_test && !c) {
4047                 c = outbuf_enc;
4048                 c_size = req->dst_len;
4049         }
4050
4051         err = -E2BIG;
4052         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4053         if (WARN_ON(c_size > PAGE_SIZE))
4054                 goto free_all;
4055         memcpy(xbuf[0], c, c_size);
4056
4057         sg_init_one(&src, xbuf[0], c_size);
4058         sg_init_one(&dst, outbuf_dec, out_len_max);
4059         crypto_init_wait(&wait);
4060         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4061
4062         err = crypto_wait_req(vecs->siggen_sigver_test ?
4063                               /* Run asymmetric signature generation */
4064                               crypto_akcipher_sign(req) :
4065                               /* Run asymmetric decrypt */
4066                               crypto_akcipher_decrypt(req), &wait);
4067         if (err) {
4068                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4069                 goto free_all;
4070         }
4071         out_len = req->dst_len;
4072         if (out_len < m_size) {
4073                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4074                        op, out_len);
4075                 err = -EINVAL;
4076                 goto free_all;
4077         }
4078         /* verify that decrypted message is equal to the original msg */
4079         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4080             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4081                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4082                 hexdump(outbuf_dec, out_len);
4083                 err = -EINVAL;
4084         }
4085 free_all:
4086         kfree(outbuf_dec);
4087         kfree(outbuf_enc);
4088 free_key:
4089         kfree(key);
4090 free_req:
4091         akcipher_request_free(req);
4092 free_xbuf:
4093         testmgr_free_buf(xbuf);
4094         return err;
4095 }
4096
4097 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4098                          const struct akcipher_testvec *vecs,
4099                          unsigned int tcount)
4100 {
4101         const char *algo =
4102                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4103         int ret, i;
4104
4105         for (i = 0; i < tcount; i++) {
4106                 ret = test_akcipher_one(tfm, vecs++);
4107                 if (!ret)
4108                         continue;
4109
4110                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4111                        i + 1, algo, ret);
4112                 return ret;
4113         }
4114         return 0;
4115 }
4116
4117 static int alg_test_akcipher(const struct alg_test_desc *desc,
4118                              const char *driver, u32 type, u32 mask)
4119 {
4120         struct crypto_akcipher *tfm;
4121         int err = 0;
4122
4123         tfm = crypto_alloc_akcipher(driver, type, mask);
4124         if (IS_ERR(tfm)) {
4125                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4126                        driver, PTR_ERR(tfm));
4127                 return PTR_ERR(tfm);
4128         }
4129         if (desc->suite.akcipher.vecs)
4130                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4131                                     desc->suite.akcipher.count);
4132
4133         crypto_free_akcipher(tfm);
4134         return err;
4135 }
4136
4137 static int alg_test_null(const struct alg_test_desc *desc,
4138                              const char *driver, u32 type, u32 mask)
4139 {
4140         return 0;
4141 }
4142
4143 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4144 #define __VECS(tv)      { ____VECS(tv) }
4145
4146 /* Please keep this list sorted by algorithm name. */
4147 static const struct alg_test_desc alg_test_descs[] = {
4148         {
4149                 .alg = "adiantum(xchacha12,aes)",
4150                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4151                 .test = alg_test_skcipher,
4152                 .suite = {
4153                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4154                 },
4155         }, {
4156                 .alg = "adiantum(xchacha20,aes)",
4157                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4158                 .test = alg_test_skcipher,
4159                 .suite = {
4160                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4161                 },
4162         }, {
4163                 .alg = "aegis128",
4164                 .test = alg_test_aead,
4165                 .suite = {
4166                         .aead = __VECS(aegis128_tv_template)
4167                 }
4168         }, {
4169                 .alg = "ansi_cprng",
4170                 .test = alg_test_cprng,
4171                 .suite = {
4172                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4173                 }
4174         }, {
4175                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4176                 .test = alg_test_aead,
4177                 .suite = {
4178                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4179                 }
4180         }, {
4181                 .alg = "authenc(hmac(sha1),cbc(aes))",
4182                 .test = alg_test_aead,
4183                 .fips_allowed = 1,
4184                 .suite = {
4185                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4186                 }
4187         }, {
4188                 .alg = "authenc(hmac(sha1),cbc(des))",
4189                 .test = alg_test_aead,
4190                 .suite = {
4191                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4192                 }
4193         }, {
4194                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4195                 .test = alg_test_aead,
4196                 .suite = {
4197                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4198                 }
4199         }, {
4200                 .alg = "authenc(hmac(sha1),ctr(aes))",
4201                 .test = alg_test_null,
4202                 .fips_allowed = 1,
4203         }, {
4204                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4205                 .test = alg_test_aead,
4206                 .suite = {
4207                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4208                 }
4209         }, {
4210                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4211                 .test = alg_test_null,
4212                 .fips_allowed = 1,
4213         }, {
4214                 .alg = "authenc(hmac(sha224),cbc(des))",
4215                 .test = alg_test_aead,
4216                 .suite = {
4217                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4218                 }
4219         }, {
4220                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4221                 .test = alg_test_aead,
4222                 .suite = {
4223                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4224                 }
4225         }, {
4226                 .alg = "authenc(hmac(sha256),cbc(aes))",
4227                 .test = alg_test_aead,
4228                 .fips_allowed = 1,
4229                 .suite = {
4230                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4231                 }
4232         }, {
4233                 .alg = "authenc(hmac(sha256),cbc(des))",
4234                 .test = alg_test_aead,
4235                 .suite = {
4236                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4237                 }
4238         }, {
4239                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4240                 .test = alg_test_aead,
4241                 .suite = {
4242                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4243                 }
4244         }, {
4245                 .alg = "authenc(hmac(sha256),ctr(aes))",
4246                 .test = alg_test_null,
4247                 .fips_allowed = 1,
4248         }, {
4249                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4250                 .test = alg_test_null,
4251                 .fips_allowed = 1,
4252         }, {
4253                 .alg = "authenc(hmac(sha384),cbc(des))",
4254                 .test = alg_test_aead,
4255                 .suite = {
4256                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4257                 }
4258         }, {
4259                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4260                 .test = alg_test_aead,
4261                 .suite = {
4262                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4263                 }
4264         }, {
4265                 .alg = "authenc(hmac(sha384),ctr(aes))",
4266                 .test = alg_test_null,
4267                 .fips_allowed = 1,
4268         }, {
4269                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4270                 .test = alg_test_null,
4271                 .fips_allowed = 1,
4272         }, {
4273                 .alg = "authenc(hmac(sha512),cbc(aes))",
4274                 .fips_allowed = 1,
4275                 .test = alg_test_aead,
4276                 .suite = {
4277                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4278                 }
4279         }, {
4280                 .alg = "authenc(hmac(sha512),cbc(des))",
4281                 .test = alg_test_aead,
4282                 .suite = {
4283                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4284                 }
4285         }, {
4286                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4287                 .test = alg_test_aead,
4288                 .suite = {
4289                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4290                 }
4291         }, {
4292                 .alg = "authenc(hmac(sha512),ctr(aes))",
4293                 .test = alg_test_null,
4294                 .fips_allowed = 1,
4295         }, {
4296                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4297                 .test = alg_test_null,
4298                 .fips_allowed = 1,
4299         }, {
4300                 .alg = "blake2b-160",
4301                 .test = alg_test_hash,
4302                 .fips_allowed = 0,
4303                 .suite = {
4304                         .hash = __VECS(blake2b_160_tv_template)
4305                 }
4306         }, {
4307                 .alg = "blake2b-256",
4308                 .test = alg_test_hash,
4309                 .fips_allowed = 0,
4310                 .suite = {
4311                         .hash = __VECS(blake2b_256_tv_template)
4312                 }
4313         }, {
4314                 .alg = "blake2b-384",
4315                 .test = alg_test_hash,
4316                 .fips_allowed = 0,
4317                 .suite = {
4318                         .hash = __VECS(blake2b_384_tv_template)
4319                 }
4320         }, {
4321                 .alg = "blake2b-512",
4322                 .test = alg_test_hash,
4323                 .fips_allowed = 0,
4324                 .suite = {
4325                         .hash = __VECS(blake2b_512_tv_template)
4326                 }
4327         }, {
4328                 .alg = "blake2s-128",
4329                 .test = alg_test_hash,
4330                 .suite = {
4331                         .hash = __VECS(blakes2s_128_tv_template)
4332                 }
4333         }, {
4334                 .alg = "blake2s-160",
4335                 .test = alg_test_hash,
4336                 .suite = {
4337                         .hash = __VECS(blakes2s_160_tv_template)
4338                 }
4339         }, {
4340                 .alg = "blake2s-224",
4341                 .test = alg_test_hash,
4342                 .suite = {
4343                         .hash = __VECS(blakes2s_224_tv_template)
4344                 }
4345         }, {
4346                 .alg = "blake2s-256",
4347                 .test = alg_test_hash,
4348                 .suite = {
4349                         .hash = __VECS(blakes2s_256_tv_template)
4350                 }
4351         }, {
4352                 .alg = "cbc(aes)",
4353                 .test = alg_test_skcipher,
4354                 .fips_allowed = 1,
4355                 .suite = {
4356                         .cipher = __VECS(aes_cbc_tv_template)
4357                 },
4358         }, {
4359                 .alg = "cbc(anubis)",
4360                 .test = alg_test_skcipher,
4361                 .suite = {
4362                         .cipher = __VECS(anubis_cbc_tv_template)
4363                 },
4364         }, {
4365                 .alg = "cbc(blowfish)",
4366                 .test = alg_test_skcipher,
4367                 .suite = {
4368                         .cipher = __VECS(bf_cbc_tv_template)
4369                 },
4370         }, {
4371                 .alg = "cbc(camellia)",
4372                 .test = alg_test_skcipher,
4373                 .suite = {
4374                         .cipher = __VECS(camellia_cbc_tv_template)
4375                 },
4376         }, {
4377                 .alg = "cbc(cast5)",
4378                 .test = alg_test_skcipher,
4379                 .suite = {
4380                         .cipher = __VECS(cast5_cbc_tv_template)
4381                 },
4382         }, {
4383                 .alg = "cbc(cast6)",
4384                 .test = alg_test_skcipher,
4385                 .suite = {
4386                         .cipher = __VECS(cast6_cbc_tv_template)
4387                 },
4388         }, {
4389                 .alg = "cbc(des)",
4390                 .test = alg_test_skcipher,
4391                 .suite = {
4392                         .cipher = __VECS(des_cbc_tv_template)
4393                 },
4394         }, {
4395                 .alg = "cbc(des3_ede)",
4396                 .test = alg_test_skcipher,
4397                 .suite = {
4398                         .cipher = __VECS(des3_ede_cbc_tv_template)
4399                 },
4400         }, {
4401                 /* Same as cbc(aes) except the key is stored in
4402                  * hardware secure memory which we reference by index
4403                  */
4404                 .alg = "cbc(paes)",
4405                 .test = alg_test_null,
4406                 .fips_allowed = 1,
4407         }, {
4408                 /* Same as cbc(sm4) except the key is stored in
4409                  * hardware secure memory which we reference by index
4410                  */
4411                 .alg = "cbc(psm4)",
4412                 .test = alg_test_null,
4413         }, {
4414                 .alg = "cbc(serpent)",
4415                 .test = alg_test_skcipher,
4416                 .suite = {
4417                         .cipher = __VECS(serpent_cbc_tv_template)
4418                 },
4419         }, {
4420                 .alg = "cbc(sm4)",
4421                 .test = alg_test_skcipher,
4422                 .suite = {
4423                         .cipher = __VECS(sm4_cbc_tv_template)
4424                 }
4425         }, {
4426                 .alg = "cbc(twofish)",
4427                 .test = alg_test_skcipher,
4428                 .suite = {
4429                         .cipher = __VECS(tf_cbc_tv_template)
4430                 },
4431         }, {
4432 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4433                 .alg = "cbc-paes-s390",
4434                 .fips_allowed = 1,
4435                 .test = alg_test_skcipher,
4436                 .suite = {
4437                         .cipher = __VECS(aes_cbc_tv_template)
4438                 }
4439         }, {
4440 #endif
4441                 .alg = "cbcmac(aes)",
4442                 .fips_allowed = 1,
4443                 .test = alg_test_hash,
4444                 .suite = {
4445                         .hash = __VECS(aes_cbcmac_tv_template)
4446                 }
4447         }, {
4448                 .alg = "cbcmac(sm4)",
4449                 .test = alg_test_hash,
4450                 .suite = {
4451                         .hash = __VECS(sm4_cbcmac_tv_template)
4452                 }
4453         }, {
4454                 .alg = "ccm(aes)",
4455                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4456                 .test = alg_test_aead,
4457                 .fips_allowed = 1,
4458                 .suite = {
4459                         .aead = {
4460                                 ____VECS(aes_ccm_tv_template),
4461                                 .einval_allowed = 1,
4462                         }
4463                 }
4464         }, {
4465                 .alg = "ccm(sm4)",
4466                 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4467                 .test = alg_test_aead,
4468                 .suite = {
4469                         .aead = {
4470                                 ____VECS(sm4_ccm_tv_template),
4471                                 .einval_allowed = 1,
4472                         }
4473                 }
4474         }, {
4475                 .alg = "cfb(aes)",
4476                 .test = alg_test_skcipher,
4477                 .fips_allowed = 1,
4478                 .suite = {
4479                         .cipher = __VECS(aes_cfb_tv_template)
4480                 },
4481         }, {
4482                 .alg = "cfb(sm4)",
4483                 .test = alg_test_skcipher,
4484                 .suite = {
4485                         .cipher = __VECS(sm4_cfb_tv_template)
4486                 }
4487         }, {
4488                 .alg = "chacha20",
4489                 .test = alg_test_skcipher,
4490                 .suite = {
4491                         .cipher = __VECS(chacha20_tv_template)
4492                 },
4493         }, {
4494                 .alg = "cmac(aes)",
4495                 .fips_allowed = 1,
4496                 .test = alg_test_hash,
4497                 .suite = {
4498                         .hash = __VECS(aes_cmac128_tv_template)
4499                 }
4500         }, {
4501                 .alg = "cmac(des3_ede)",
4502                 .test = alg_test_hash,
4503                 .suite = {
4504                         .hash = __VECS(des3_ede_cmac64_tv_template)
4505                 }
4506         }, {
4507                 .alg = "cmac(sm4)",
4508                 .test = alg_test_hash,
4509                 .suite = {
4510                         .hash = __VECS(sm4_cmac128_tv_template)
4511                 }
4512         }, {
4513                 .alg = "compress_null",
4514                 .test = alg_test_null,
4515         }, {
4516                 .alg = "crc32",
4517                 .test = alg_test_hash,
4518                 .fips_allowed = 1,
4519                 .suite = {
4520                         .hash = __VECS(crc32_tv_template)
4521                 }
4522         }, {
4523                 .alg = "crc32c",
4524                 .test = alg_test_crc32c,
4525                 .fips_allowed = 1,
4526                 .suite = {
4527                         .hash = __VECS(crc32c_tv_template)
4528                 }
4529         }, {
4530                 .alg = "crc64-rocksoft",
4531                 .test = alg_test_hash,
4532                 .fips_allowed = 1,
4533                 .suite = {
4534                         .hash = __VECS(crc64_rocksoft_tv_template)
4535                 }
4536         }, {
4537                 .alg = "crct10dif",
4538                 .test = alg_test_hash,
4539                 .fips_allowed = 1,
4540                 .suite = {
4541                         .hash = __VECS(crct10dif_tv_template)
4542                 }
4543         }, {
4544                 .alg = "ctr(aes)",
4545                 .test = alg_test_skcipher,
4546                 .fips_allowed = 1,
4547                 .suite = {
4548                         .cipher = __VECS(aes_ctr_tv_template)
4549                 }
4550         }, {
4551                 .alg = "ctr(blowfish)",
4552                 .test = alg_test_skcipher,
4553                 .suite = {
4554                         .cipher = __VECS(bf_ctr_tv_template)
4555                 }
4556         }, {
4557                 .alg = "ctr(camellia)",
4558                 .test = alg_test_skcipher,
4559                 .suite = {
4560                         .cipher = __VECS(camellia_ctr_tv_template)
4561                 }
4562         }, {
4563                 .alg = "ctr(cast5)",
4564                 .test = alg_test_skcipher,
4565                 .suite = {
4566                         .cipher = __VECS(cast5_ctr_tv_template)
4567                 }
4568         }, {
4569                 .alg = "ctr(cast6)",
4570                 .test = alg_test_skcipher,
4571                 .suite = {
4572                         .cipher = __VECS(cast6_ctr_tv_template)
4573                 }
4574         }, {
4575                 .alg = "ctr(des)",
4576                 .test = alg_test_skcipher,
4577                 .suite = {
4578                         .cipher = __VECS(des_ctr_tv_template)
4579                 }
4580         }, {
4581                 .alg = "ctr(des3_ede)",
4582                 .test = alg_test_skcipher,
4583                 .suite = {
4584                         .cipher = __VECS(des3_ede_ctr_tv_template)
4585                 }
4586         }, {
4587                 /* Same as ctr(aes) except the key is stored in
4588                  * hardware secure memory which we reference by index
4589                  */
4590                 .alg = "ctr(paes)",
4591                 .test = alg_test_null,
4592                 .fips_allowed = 1,
4593         }, {
4594
4595                 /* Same as ctr(sm4) except the key is stored in
4596                  * hardware secure memory which we reference by index
4597                  */
4598                 .alg = "ctr(psm4)",
4599                 .test = alg_test_null,
4600         }, {
4601                 .alg = "ctr(serpent)",
4602                 .test = alg_test_skcipher,
4603                 .suite = {
4604                         .cipher = __VECS(serpent_ctr_tv_template)
4605                 }
4606         }, {
4607                 .alg = "ctr(sm4)",
4608                 .test = alg_test_skcipher,
4609                 .suite = {
4610                         .cipher = __VECS(sm4_ctr_tv_template)
4611                 }
4612         }, {
4613                 .alg = "ctr(twofish)",
4614                 .test = alg_test_skcipher,
4615                 .suite = {
4616                         .cipher = __VECS(tf_ctr_tv_template)
4617                 }
4618         }, {
4619 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4620                 .alg = "ctr-paes-s390",
4621                 .fips_allowed = 1,
4622                 .test = alg_test_skcipher,
4623                 .suite = {
4624                         .cipher = __VECS(aes_ctr_tv_template)
4625                 }
4626         }, {
4627 #endif
4628                 .alg = "cts(cbc(aes))",
4629                 .test = alg_test_skcipher,
4630                 .fips_allowed = 1,
4631                 .suite = {
4632                         .cipher = __VECS(cts_mode_tv_template)
4633                 }
4634         }, {
4635                 /* Same as cts(cbc((aes)) except the key is stored in
4636                  * hardware secure memory which we reference by index
4637                  */
4638                 .alg = "cts(cbc(paes))",
4639                 .test = alg_test_null,
4640                 .fips_allowed = 1,
4641         }, {
4642                 .alg = "curve25519",
4643                 .test = alg_test_kpp,
4644                 .suite = {
4645                         .kpp = __VECS(curve25519_tv_template)
4646                 }
4647         }, {
4648                 .alg = "deflate",
4649                 .test = alg_test_comp,
4650                 .fips_allowed = 1,
4651                 .suite = {
4652                         .comp = {
4653                                 .comp = __VECS(deflate_comp_tv_template),
4654                                 .decomp = __VECS(deflate_decomp_tv_template)
4655                         }
4656                 }
4657         }, {
4658                 .alg = "dh",
4659                 .test = alg_test_kpp,
4660                 .suite = {
4661                         .kpp = __VECS(dh_tv_template)
4662                 }
4663         }, {
4664                 .alg = "digest_null",
4665                 .test = alg_test_null,
4666         }, {
4667                 .alg = "drbg_nopr_ctr_aes128",
4668                 .test = alg_test_drbg,
4669                 .fips_allowed = 1,
4670                 .suite = {
4671                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4672                 }
4673         }, {
4674                 .alg = "drbg_nopr_ctr_aes192",
4675                 .test = alg_test_drbg,
4676                 .fips_allowed = 1,
4677                 .suite = {
4678                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4679                 }
4680         }, {
4681                 .alg = "drbg_nopr_ctr_aes256",
4682                 .test = alg_test_drbg,
4683                 .fips_allowed = 1,
4684                 .suite = {
4685                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4686                 }
4687         }, {
4688                 /*
4689                  * There is no need to specifically test the DRBG with every
4690                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4691                  */
4692                 .alg = "drbg_nopr_hmac_sha1",
4693                 .fips_allowed = 1,
4694                 .test = alg_test_null,
4695         }, {
4696                 .alg = "drbg_nopr_hmac_sha256",
4697                 .test = alg_test_drbg,
4698                 .fips_allowed = 1,
4699                 .suite = {
4700                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4701                 }
4702         }, {
4703                 /* covered by drbg_nopr_hmac_sha256 test */
4704                 .alg = "drbg_nopr_hmac_sha384",
4705                 .fips_allowed = 1,
4706                 .test = alg_test_null,
4707         }, {
4708                 .alg = "drbg_nopr_hmac_sha512",
4709                 .test = alg_test_drbg,
4710                 .fips_allowed = 1,
4711                 .suite = {
4712                         .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4713                 }
4714         }, {
4715                 .alg = "drbg_nopr_sha1",
4716                 .fips_allowed = 1,
4717                 .test = alg_test_null,
4718         }, {
4719                 .alg = "drbg_nopr_sha256",
4720                 .test = alg_test_drbg,
4721                 .fips_allowed = 1,
4722                 .suite = {
4723                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4724                 }
4725         }, {
4726                 /* covered by drbg_nopr_sha256 test */
4727                 .alg = "drbg_nopr_sha384",
4728                 .fips_allowed = 1,
4729                 .test = alg_test_null,
4730         }, {
4731                 .alg = "drbg_nopr_sha512",
4732                 .fips_allowed = 1,
4733                 .test = alg_test_null,
4734         }, {
4735                 .alg = "drbg_pr_ctr_aes128",
4736                 .test = alg_test_drbg,
4737                 .fips_allowed = 1,
4738                 .suite = {
4739                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4740                 }
4741         }, {
4742                 /* covered by drbg_pr_ctr_aes128 test */
4743                 .alg = "drbg_pr_ctr_aes192",
4744                 .fips_allowed = 1,
4745                 .test = alg_test_null,
4746         }, {
4747                 .alg = "drbg_pr_ctr_aes256",
4748                 .fips_allowed = 1,
4749                 .test = alg_test_null,
4750         }, {
4751                 .alg = "drbg_pr_hmac_sha1",
4752                 .fips_allowed = 1,
4753                 .test = alg_test_null,
4754         }, {
4755                 .alg = "drbg_pr_hmac_sha256",
4756                 .test = alg_test_drbg,
4757                 .fips_allowed = 1,
4758                 .suite = {
4759                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4760                 }
4761         }, {
4762                 /* covered by drbg_pr_hmac_sha256 test */
4763                 .alg = "drbg_pr_hmac_sha384",
4764                 .fips_allowed = 1,
4765                 .test = alg_test_null,
4766         }, {
4767                 .alg = "drbg_pr_hmac_sha512",
4768                 .test = alg_test_null,
4769                 .fips_allowed = 1,
4770         }, {
4771                 .alg = "drbg_pr_sha1",
4772                 .fips_allowed = 1,
4773                 .test = alg_test_null,
4774         }, {
4775                 .alg = "drbg_pr_sha256",
4776                 .test = alg_test_drbg,
4777                 .fips_allowed = 1,
4778                 .suite = {
4779                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4780                 }
4781         }, {
4782                 /* covered by drbg_pr_sha256 test */
4783                 .alg = "drbg_pr_sha384",
4784                 .fips_allowed = 1,
4785                 .test = alg_test_null,
4786         }, {
4787                 .alg = "drbg_pr_sha512",
4788                 .fips_allowed = 1,
4789                 .test = alg_test_null,
4790         }, {
4791                 .alg = "ecb(aes)",
4792                 .test = alg_test_skcipher,
4793                 .fips_allowed = 1,
4794                 .suite = {
4795                         .cipher = __VECS(aes_tv_template)
4796                 }
4797         }, {
4798                 .alg = "ecb(anubis)",
4799                 .test = alg_test_skcipher,
4800                 .suite = {
4801                         .cipher = __VECS(anubis_tv_template)
4802                 }
4803         }, {
4804                 .alg = "ecb(arc4)",
4805                 .generic_driver = "ecb(arc4)-generic",
4806                 .test = alg_test_skcipher,
4807                 .suite = {
4808                         .cipher = __VECS(arc4_tv_template)
4809                 }
4810         }, {
4811                 .alg = "ecb(blowfish)",
4812                 .test = alg_test_skcipher,
4813                 .suite = {
4814                         .cipher = __VECS(bf_tv_template)
4815                 }
4816         }, {
4817                 .alg = "ecb(camellia)",
4818                 .test = alg_test_skcipher,
4819                 .suite = {
4820                         .cipher = __VECS(camellia_tv_template)
4821                 }
4822         }, {
4823                 .alg = "ecb(cast5)",
4824                 .test = alg_test_skcipher,
4825                 .suite = {
4826                         .cipher = __VECS(cast5_tv_template)
4827                 }
4828         }, {
4829                 .alg = "ecb(cast6)",
4830                 .test = alg_test_skcipher,
4831                 .suite = {
4832                         .cipher = __VECS(cast6_tv_template)
4833                 }
4834         }, {
4835                 .alg = "ecb(cipher_null)",
4836                 .test = alg_test_null,
4837                 .fips_allowed = 1,
4838         }, {
4839                 .alg = "ecb(des)",
4840                 .test = alg_test_skcipher,
4841                 .suite = {
4842                         .cipher = __VECS(des_tv_template)
4843                 }
4844         }, {
4845                 .alg = "ecb(des3_ede)",
4846                 .test = alg_test_skcipher,
4847                 .suite = {
4848                         .cipher = __VECS(des3_ede_tv_template)
4849                 }
4850         }, {
4851                 .alg = "ecb(fcrypt)",
4852                 .test = alg_test_skcipher,
4853                 .suite = {
4854                         .cipher = {
4855                                 .vecs = fcrypt_pcbc_tv_template,
4856                                 .count = 1
4857                         }
4858                 }
4859         }, {
4860                 .alg = "ecb(khazad)",
4861                 .test = alg_test_skcipher,
4862                 .suite = {
4863                         .cipher = __VECS(khazad_tv_template)
4864                 }
4865         }, {
4866                 /* Same as ecb(aes) except the key is stored in
4867                  * hardware secure memory which we reference by index
4868                  */
4869                 .alg = "ecb(paes)",
4870                 .test = alg_test_null,
4871                 .fips_allowed = 1,
4872         }, {
4873                 .alg = "ecb(seed)",
4874                 .test = alg_test_skcipher,
4875                 .suite = {
4876                         .cipher = __VECS(seed_tv_template)
4877                 }
4878         }, {
4879                 .alg = "ecb(serpent)",
4880                 .test = alg_test_skcipher,
4881                 .suite = {
4882                         .cipher = __VECS(serpent_tv_template)
4883                 }
4884         }, {
4885                 .alg = "ecb(sm4)",
4886                 .test = alg_test_skcipher,
4887                 .suite = {
4888                         .cipher = __VECS(sm4_tv_template)
4889                 }
4890         }, {
4891                 .alg = "ecb(tea)",
4892                 .test = alg_test_skcipher,
4893                 .suite = {
4894                         .cipher = __VECS(tea_tv_template)
4895                 }
4896         }, {
4897                 .alg = "ecb(twofish)",
4898                 .test = alg_test_skcipher,
4899                 .suite = {
4900                         .cipher = __VECS(tf_tv_template)
4901                 }
4902         }, {
4903                 .alg = "ecb(xeta)",
4904                 .test = alg_test_skcipher,
4905                 .suite = {
4906                         .cipher = __VECS(xeta_tv_template)
4907                 }
4908         }, {
4909                 .alg = "ecb(xtea)",
4910                 .test = alg_test_skcipher,
4911                 .suite = {
4912                         .cipher = __VECS(xtea_tv_template)
4913                 }
4914         }, {
4915 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4916                 .alg = "ecb-paes-s390",
4917                 .fips_allowed = 1,
4918                 .test = alg_test_skcipher,
4919                 .suite = {
4920                         .cipher = __VECS(aes_tv_template)
4921                 }
4922         }, {
4923 #endif
4924                 .alg = "ecdh-nist-p192",
4925                 .test = alg_test_kpp,
4926                 .suite = {
4927                         .kpp = __VECS(ecdh_p192_tv_template)
4928                 }
4929         }, {
4930                 .alg = "ecdh-nist-p256",
4931                 .test = alg_test_kpp,
4932                 .fips_allowed = 1,
4933                 .suite = {
4934                         .kpp = __VECS(ecdh_p256_tv_template)
4935                 }
4936         }, {
4937                 .alg = "ecdh-nist-p384",
4938                 .test = alg_test_kpp,
4939                 .fips_allowed = 1,
4940                 .suite = {
4941                         .kpp = __VECS(ecdh_p384_tv_template)
4942                 }
4943         }, {
4944                 .alg = "ecdsa-nist-p192",
4945                 .test = alg_test_akcipher,
4946                 .suite = {
4947                         .akcipher = __VECS(ecdsa_nist_p192_tv_template)
4948                 }
4949         }, {
4950                 .alg = "ecdsa-nist-p256",
4951                 .test = alg_test_akcipher,
4952                 .suite = {
4953                         .akcipher = __VECS(ecdsa_nist_p256_tv_template)
4954                 }
4955         }, {
4956                 .alg = "ecdsa-nist-p384",
4957                 .test = alg_test_akcipher,
4958                 .suite = {
4959                         .akcipher = __VECS(ecdsa_nist_p384_tv_template)
4960                 }
4961         }, {
4962                 .alg = "ecrdsa",
4963                 .test = alg_test_akcipher,
4964                 .suite = {
4965                         .akcipher = __VECS(ecrdsa_tv_template)
4966                 }
4967         }, {
4968                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4969                 .test = alg_test_aead,
4970                 .fips_allowed = 1,
4971                 .suite = {
4972                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4973                 }
4974         }, {
4975                 .alg = "essiv(cbc(aes),sha256)",
4976                 .test = alg_test_skcipher,
4977                 .fips_allowed = 1,
4978                 .suite = {
4979                         .cipher = __VECS(essiv_aes_cbc_tv_template)
4980                 }
4981         }, {
4982 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
4983                 .alg = "ffdhe2048(dh)",
4984                 .test = alg_test_kpp,
4985                 .fips_allowed = 1,
4986                 .suite = {
4987                         .kpp = __VECS(ffdhe2048_dh_tv_template)
4988                 }
4989         }, {
4990                 .alg = "ffdhe3072(dh)",
4991                 .test = alg_test_kpp,
4992                 .fips_allowed = 1,
4993                 .suite = {
4994                         .kpp = __VECS(ffdhe3072_dh_tv_template)
4995                 }
4996         }, {
4997                 .alg = "ffdhe4096(dh)",
4998                 .test = alg_test_kpp,
4999                 .fips_allowed = 1,
5000                 .suite = {
5001                         .kpp = __VECS(ffdhe4096_dh_tv_template)
5002                 }
5003         }, {
5004                 .alg = "ffdhe6144(dh)",
5005                 .test = alg_test_kpp,
5006                 .fips_allowed = 1,
5007                 .suite = {
5008                         .kpp = __VECS(ffdhe6144_dh_tv_template)
5009                 }
5010         }, {
5011                 .alg = "ffdhe8192(dh)",
5012                 .test = alg_test_kpp,
5013                 .fips_allowed = 1,
5014                 .suite = {
5015                         .kpp = __VECS(ffdhe8192_dh_tv_template)
5016                 }
5017         }, {
5018 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5019                 .alg = "gcm(aes)",
5020                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5021                 .test = alg_test_aead,
5022                 .fips_allowed = 1,
5023                 .suite = {
5024                         .aead = __VECS(aes_gcm_tv_template)
5025                 }
5026         }, {
5027                 .alg = "gcm(sm4)",
5028                 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5029                 .test = alg_test_aead,
5030                 .suite = {
5031                         .aead = __VECS(sm4_gcm_tv_template)
5032                 }
5033         }, {
5034                 .alg = "ghash",
5035                 .test = alg_test_hash,
5036                 .fips_allowed = 1,
5037                 .suite = {
5038                         .hash = __VECS(ghash_tv_template)
5039                 }
5040         }, {
5041                 .alg = "hmac(md5)",
5042                 .test = alg_test_hash,
5043                 .suite = {
5044                         .hash = __VECS(hmac_md5_tv_template)
5045                 }
5046         }, {
5047                 .alg = "hmac(rmd160)",
5048                 .test = alg_test_hash,
5049                 .suite = {
5050                         .hash = __VECS(hmac_rmd160_tv_template)
5051                 }
5052         }, {
5053                 .alg = "hmac(sha1)",
5054                 .test = alg_test_hash,
5055                 .fips_allowed = 1,
5056                 .suite = {
5057                         .hash = __VECS(hmac_sha1_tv_template)
5058                 }
5059         }, {
5060                 .alg = "hmac(sha224)",
5061                 .test = alg_test_hash,
5062                 .fips_allowed = 1,
5063                 .suite = {
5064                         .hash = __VECS(hmac_sha224_tv_template)
5065                 }
5066         }, {
5067                 .alg = "hmac(sha256)",
5068                 .test = alg_test_hash,
5069                 .fips_allowed = 1,
5070                 .suite = {
5071                         .hash = __VECS(hmac_sha256_tv_template)
5072                 }
5073         }, {
5074                 .alg = "hmac(sha3-224)",
5075                 .test = alg_test_hash,
5076                 .fips_allowed = 1,
5077                 .suite = {
5078                         .hash = __VECS(hmac_sha3_224_tv_template)
5079                 }
5080         }, {
5081                 .alg = "hmac(sha3-256)",
5082                 .test = alg_test_hash,
5083                 .fips_allowed = 1,
5084                 .suite = {
5085                         .hash = __VECS(hmac_sha3_256_tv_template)
5086                 }
5087         }, {
5088                 .alg = "hmac(sha3-384)",
5089                 .test = alg_test_hash,
5090                 .fips_allowed = 1,
5091                 .suite = {
5092                         .hash = __VECS(hmac_sha3_384_tv_template)
5093                 }
5094         }, {
5095                 .alg = "hmac(sha3-512)",
5096                 .test = alg_test_hash,
5097                 .fips_allowed = 1,
5098                 .suite = {
5099                         .hash = __VECS(hmac_sha3_512_tv_template)
5100                 }
5101         }, {
5102                 .alg = "hmac(sha384)",
5103                 .test = alg_test_hash,
5104                 .fips_allowed = 1,
5105                 .suite = {
5106                         .hash = __VECS(hmac_sha384_tv_template)
5107                 }
5108         }, {
5109                 .alg = "hmac(sha512)",
5110                 .test = alg_test_hash,
5111                 .fips_allowed = 1,
5112                 .suite = {
5113                         .hash = __VECS(hmac_sha512_tv_template)
5114                 }
5115         }, {
5116                 .alg = "hmac(sm3)",
5117                 .test = alg_test_hash,
5118                 .suite = {
5119                         .hash = __VECS(hmac_sm3_tv_template)
5120                 }
5121         }, {
5122                 .alg = "hmac(streebog256)",
5123                 .test = alg_test_hash,
5124                 .suite = {
5125                         .hash = __VECS(hmac_streebog256_tv_template)
5126                 }
5127         }, {
5128                 .alg = "hmac(streebog512)",
5129                 .test = alg_test_hash,
5130                 .suite = {
5131                         .hash = __VECS(hmac_streebog512_tv_template)
5132                 }
5133         }, {
5134                 .alg = "jitterentropy_rng",
5135                 .fips_allowed = 1,
5136                 .test = alg_test_null,
5137         }, {
5138                 .alg = "kw(aes)",
5139                 .test = alg_test_skcipher,
5140                 .fips_allowed = 1,
5141                 .suite = {
5142                         .cipher = __VECS(aes_kw_tv_template)
5143                 }
5144         }, {
5145                 .alg = "lrw(aes)",
5146                 .generic_driver = "lrw(ecb(aes-generic))",
5147                 .test = alg_test_skcipher,
5148                 .suite = {
5149                         .cipher = __VECS(aes_lrw_tv_template)
5150                 }
5151         }, {
5152                 .alg = "lrw(camellia)",
5153                 .generic_driver = "lrw(ecb(camellia-generic))",
5154                 .test = alg_test_skcipher,
5155                 .suite = {
5156                         .cipher = __VECS(camellia_lrw_tv_template)
5157                 }
5158         }, {
5159                 .alg = "lrw(cast6)",
5160                 .generic_driver = "lrw(ecb(cast6-generic))",
5161                 .test = alg_test_skcipher,
5162                 .suite = {
5163                         .cipher = __VECS(cast6_lrw_tv_template)
5164                 }
5165         }, {
5166                 .alg = "lrw(serpent)",
5167                 .generic_driver = "lrw(ecb(serpent-generic))",
5168                 .test = alg_test_skcipher,
5169                 .suite = {
5170                         .cipher = __VECS(serpent_lrw_tv_template)
5171                 }
5172         }, {
5173                 .alg = "lrw(twofish)",
5174                 .generic_driver = "lrw(ecb(twofish-generic))",
5175                 .test = alg_test_skcipher,
5176                 .suite = {
5177                         .cipher = __VECS(tf_lrw_tv_template)
5178                 }
5179         }, {
5180                 .alg = "lz4",
5181                 .test = alg_test_comp,
5182                 .fips_allowed = 1,
5183                 .suite = {
5184                         .comp = {
5185                                 .comp = __VECS(lz4_comp_tv_template),
5186                                 .decomp = __VECS(lz4_decomp_tv_template)
5187                         }
5188                 }
5189         }, {
5190                 .alg = "lz4hc",
5191                 .test = alg_test_comp,
5192                 .fips_allowed = 1,
5193                 .suite = {
5194                         .comp = {
5195                                 .comp = __VECS(lz4hc_comp_tv_template),
5196                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5197                         }
5198                 }
5199         }, {
5200                 .alg = "lzo",
5201                 .test = alg_test_comp,
5202                 .fips_allowed = 1,
5203                 .suite = {
5204                         .comp = {
5205                                 .comp = __VECS(lzo_comp_tv_template),
5206                                 .decomp = __VECS(lzo_decomp_tv_template)
5207                         }
5208                 }
5209         }, {
5210                 .alg = "lzo-rle",
5211                 .test = alg_test_comp,
5212                 .fips_allowed = 1,
5213                 .suite = {
5214                         .comp = {
5215                                 .comp = __VECS(lzorle_comp_tv_template),
5216                                 .decomp = __VECS(lzorle_decomp_tv_template)
5217                         }
5218                 }
5219         }, {
5220                 .alg = "md4",
5221                 .test = alg_test_hash,
5222                 .suite = {
5223                         .hash = __VECS(md4_tv_template)
5224                 }
5225         }, {
5226                 .alg = "md5",
5227                 .test = alg_test_hash,
5228                 .suite = {
5229                         .hash = __VECS(md5_tv_template)
5230                 }
5231         }, {
5232                 .alg = "michael_mic",
5233                 .test = alg_test_hash,
5234                 .suite = {
5235                         .hash = __VECS(michael_mic_tv_template)
5236                 }
5237         }, {
5238                 .alg = "nhpoly1305",
5239                 .test = alg_test_hash,
5240                 .suite = {
5241                         .hash = __VECS(nhpoly1305_tv_template)
5242                 }
5243         }, {
5244                 .alg = "ofb(aes)",
5245                 .test = alg_test_skcipher,
5246                 .fips_allowed = 1,
5247                 .suite = {
5248                         .cipher = __VECS(aes_ofb_tv_template)
5249                 }
5250         }, {
5251                 /* Same as ofb(aes) except the key is stored in
5252                  * hardware secure memory which we reference by index
5253                  */
5254                 .alg = "ofb(paes)",
5255                 .test = alg_test_null,
5256                 .fips_allowed = 1,
5257         }, {
5258                 .alg = "ofb(sm4)",
5259                 .test = alg_test_skcipher,
5260                 .suite = {
5261                         .cipher = __VECS(sm4_ofb_tv_template)
5262                 }
5263         }, {
5264                 .alg = "pcbc(fcrypt)",
5265                 .test = alg_test_skcipher,
5266                 .suite = {
5267                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5268                 }
5269         }, {
5270                 .alg = "pkcs1pad(rsa,sha224)",
5271                 .test = alg_test_null,
5272                 .fips_allowed = 1,
5273         }, {
5274                 .alg = "pkcs1pad(rsa,sha256)",
5275                 .test = alg_test_akcipher,
5276                 .fips_allowed = 1,
5277                 .suite = {
5278                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5279                 }
5280         }, {
5281                 .alg = "pkcs1pad(rsa,sha384)",
5282                 .test = alg_test_null,
5283                 .fips_allowed = 1,
5284         }, {
5285                 .alg = "pkcs1pad(rsa,sha512)",
5286                 .test = alg_test_null,
5287                 .fips_allowed = 1,
5288         }, {
5289                 .alg = "poly1305",
5290                 .test = alg_test_hash,
5291                 .suite = {
5292                         .hash = __VECS(poly1305_tv_template)
5293                 }
5294         }, {
5295                 .alg = "rfc3686(ctr(aes))",
5296                 .test = alg_test_skcipher,
5297                 .fips_allowed = 1,
5298                 .suite = {
5299                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5300                 }
5301         }, {
5302                 .alg = "rfc3686(ctr(sm4))",
5303                 .test = alg_test_skcipher,
5304                 .suite = {
5305                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5306                 }
5307         }, {
5308                 .alg = "rfc4106(gcm(aes))",
5309                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5310                 .test = alg_test_aead,
5311                 .fips_allowed = 1,
5312                 .suite = {
5313                         .aead = {
5314                                 ____VECS(aes_gcm_rfc4106_tv_template),
5315                                 .einval_allowed = 1,
5316                                 .aad_iv = 1,
5317                         }
5318                 }
5319         }, {
5320                 .alg = "rfc4309(ccm(aes))",
5321                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5322                 .test = alg_test_aead,
5323                 .fips_allowed = 1,
5324                 .suite = {
5325                         .aead = {
5326                                 ____VECS(aes_ccm_rfc4309_tv_template),
5327                                 .einval_allowed = 1,
5328                                 .aad_iv = 1,
5329                         }
5330                 }
5331         }, {
5332                 .alg = "rfc4543(gcm(aes))",
5333                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5334                 .test = alg_test_aead,
5335                 .suite = {
5336                         .aead = {
5337                                 ____VECS(aes_gcm_rfc4543_tv_template),
5338                                 .einval_allowed = 1,
5339                                 .aad_iv = 1,
5340                         }
5341                 }
5342         }, {
5343                 .alg = "rfc7539(chacha20,poly1305)",
5344                 .test = alg_test_aead,
5345                 .suite = {
5346                         .aead = __VECS(rfc7539_tv_template)
5347                 }
5348         }, {
5349                 .alg = "rfc7539esp(chacha20,poly1305)",
5350                 .test = alg_test_aead,
5351                 .suite = {
5352                         .aead = {
5353                                 ____VECS(rfc7539esp_tv_template),
5354                                 .einval_allowed = 1,
5355                                 .aad_iv = 1,
5356                         }
5357                 }
5358         }, {
5359                 .alg = "rmd160",
5360                 .test = alg_test_hash,
5361                 .suite = {
5362                         .hash = __VECS(rmd160_tv_template)
5363                 }
5364         }, {
5365                 .alg = "rsa",
5366                 .test = alg_test_akcipher,
5367                 .fips_allowed = 1,
5368                 .suite = {
5369                         .akcipher = __VECS(rsa_tv_template)
5370                 }
5371         }, {
5372                 .alg = "sha1",
5373                 .test = alg_test_hash,
5374                 .fips_allowed = 1,
5375                 .suite = {
5376                         .hash = __VECS(sha1_tv_template)
5377                 }
5378         }, {
5379                 .alg = "sha224",
5380                 .test = alg_test_hash,
5381                 .fips_allowed = 1,
5382                 .suite = {
5383                         .hash = __VECS(sha224_tv_template)
5384                 }
5385         }, {
5386                 .alg = "sha256",
5387                 .test = alg_test_hash,
5388                 .fips_allowed = 1,
5389                 .suite = {
5390                         .hash = __VECS(sha256_tv_template)
5391                 }
5392         }, {
5393                 .alg = "sha3-224",
5394                 .test = alg_test_hash,
5395                 .fips_allowed = 1,
5396                 .suite = {
5397                         .hash = __VECS(sha3_224_tv_template)
5398                 }
5399         }, {
5400                 .alg = "sha3-256",
5401                 .test = alg_test_hash,
5402                 .fips_allowed = 1,
5403                 .suite = {
5404                         .hash = __VECS(sha3_256_tv_template)
5405                 }
5406         }, {
5407                 .alg = "sha3-384",
5408                 .test = alg_test_hash,
5409                 .fips_allowed = 1,
5410                 .suite = {
5411                         .hash = __VECS(sha3_384_tv_template)
5412                 }
5413         }, {
5414                 .alg = "sha3-512",
5415                 .test = alg_test_hash,
5416                 .fips_allowed = 1,
5417                 .suite = {
5418                         .hash = __VECS(sha3_512_tv_template)
5419                 }
5420         }, {
5421                 .alg = "sha384",
5422                 .test = alg_test_hash,
5423                 .fips_allowed = 1,
5424                 .suite = {
5425                         .hash = __VECS(sha384_tv_template)
5426                 }
5427         }, {
5428                 .alg = "sha512",
5429                 .test = alg_test_hash,
5430                 .fips_allowed = 1,
5431                 .suite = {
5432                         .hash = __VECS(sha512_tv_template)
5433                 }
5434         }, {
5435                 .alg = "sm2",
5436                 .test = alg_test_akcipher,
5437                 .suite = {
5438                         .akcipher = __VECS(sm2_tv_template)
5439                 }
5440         }, {
5441                 .alg = "sm3",
5442                 .test = alg_test_hash,
5443                 .suite = {
5444                         .hash = __VECS(sm3_tv_template)
5445                 }
5446         }, {
5447                 .alg = "streebog256",
5448                 .test = alg_test_hash,
5449                 .suite = {
5450                         .hash = __VECS(streebog256_tv_template)
5451                 }
5452         }, {
5453                 .alg = "streebog512",
5454                 .test = alg_test_hash,
5455                 .suite = {
5456                         .hash = __VECS(streebog512_tv_template)
5457                 }
5458         }, {
5459                 .alg = "vmac64(aes)",
5460                 .test = alg_test_hash,
5461                 .suite = {
5462                         .hash = __VECS(vmac64_aes_tv_template)
5463                 }
5464         }, {
5465                 .alg = "wp256",
5466                 .test = alg_test_hash,
5467                 .suite = {
5468                         .hash = __VECS(wp256_tv_template)
5469                 }
5470         }, {
5471                 .alg = "wp384",
5472                 .test = alg_test_hash,
5473                 .suite = {
5474                         .hash = __VECS(wp384_tv_template)
5475                 }
5476         }, {
5477                 .alg = "wp512",
5478                 .test = alg_test_hash,
5479                 .suite = {
5480                         .hash = __VECS(wp512_tv_template)
5481                 }
5482         }, {
5483                 .alg = "xcbc(aes)",
5484                 .test = alg_test_hash,
5485                 .suite = {
5486                         .hash = __VECS(aes_xcbc128_tv_template)
5487                 }
5488         }, {
5489                 .alg = "xchacha12",
5490                 .test = alg_test_skcipher,
5491                 .suite = {
5492                         .cipher = __VECS(xchacha12_tv_template)
5493                 },
5494         }, {
5495                 .alg = "xchacha20",
5496                 .test = alg_test_skcipher,
5497                 .suite = {
5498                         .cipher = __VECS(xchacha20_tv_template)
5499                 },
5500         }, {
5501                 .alg = "xts(aes)",
5502                 .generic_driver = "xts(ecb(aes-generic))",
5503                 .test = alg_test_skcipher,
5504                 .fips_allowed = 1,
5505                 .suite = {
5506                         .cipher = __VECS(aes_xts_tv_template)
5507                 }
5508         }, {
5509                 .alg = "xts(camellia)",
5510                 .generic_driver = "xts(ecb(camellia-generic))",
5511                 .test = alg_test_skcipher,
5512                 .suite = {
5513                         .cipher = __VECS(camellia_xts_tv_template)
5514                 }
5515         }, {
5516                 .alg = "xts(cast6)",
5517                 .generic_driver = "xts(ecb(cast6-generic))",
5518                 .test = alg_test_skcipher,
5519                 .suite = {
5520                         .cipher = __VECS(cast6_xts_tv_template)
5521                 }
5522         }, {
5523                 /* Same as xts(aes) except the key is stored in
5524                  * hardware secure memory which we reference by index
5525                  */
5526                 .alg = "xts(paes)",
5527                 .test = alg_test_null,
5528                 .fips_allowed = 1,
5529         }, {
5530                 .alg = "xts(serpent)",
5531                 .generic_driver = "xts(ecb(serpent-generic))",
5532                 .test = alg_test_skcipher,
5533                 .suite = {
5534                         .cipher = __VECS(serpent_xts_tv_template)
5535                 }
5536         }, {
5537                 .alg = "xts(twofish)",
5538                 .generic_driver = "xts(ecb(twofish-generic))",
5539                 .test = alg_test_skcipher,
5540                 .suite = {
5541                         .cipher = __VECS(tf_xts_tv_template)
5542                 }
5543         }, {
5544 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5545                 .alg = "xts-paes-s390",
5546                 .fips_allowed = 1,
5547                 .test = alg_test_skcipher,
5548                 .suite = {
5549                         .cipher = __VECS(aes_xts_tv_template)
5550                 }
5551         }, {
5552 #endif
5553                 .alg = "xts4096(paes)",
5554                 .test = alg_test_null,
5555                 .fips_allowed = 1,
5556         }, {
5557                 .alg = "xts512(paes)",
5558                 .test = alg_test_null,
5559                 .fips_allowed = 1,
5560         }, {
5561                 .alg = "xxhash64",
5562                 .test = alg_test_hash,
5563                 .fips_allowed = 1,
5564                 .suite = {
5565                         .hash = __VECS(xxhash64_tv_template)
5566                 }
5567         }, {
5568                 .alg = "zlib-deflate",
5569                 .test = alg_test_comp,
5570                 .fips_allowed = 1,
5571                 .suite = {
5572                         .comp = {
5573                                 .comp = __VECS(zlib_deflate_comp_tv_template),
5574                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
5575                         }
5576                 }
5577         }, {
5578                 .alg = "zstd",
5579                 .test = alg_test_comp,
5580                 .fips_allowed = 1,
5581                 .suite = {
5582                         .comp = {
5583                                 .comp = __VECS(zstd_comp_tv_template),
5584                                 .decomp = __VECS(zstd_decomp_tv_template)
5585                         }
5586                 }
5587         }
5588 };
5589
5590 static void alg_check_test_descs_order(void)
5591 {
5592         int i;
5593
5594         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5595                 int diff = strcmp(alg_test_descs[i - 1].alg,
5596                                   alg_test_descs[i].alg);
5597
5598                 if (WARN_ON(diff > 0)) {
5599                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5600                                 alg_test_descs[i - 1].alg,
5601                                 alg_test_descs[i].alg);
5602                 }
5603
5604                 if (WARN_ON(diff == 0)) {
5605                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5606                                 alg_test_descs[i].alg);
5607                 }
5608         }
5609 }
5610
5611 static void alg_check_testvec_configs(void)
5612 {
5613         int i;
5614
5615         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5616                 WARN_ON(!valid_testvec_config(
5617                                 &default_cipher_testvec_configs[i]));
5618
5619         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5620                 WARN_ON(!valid_testvec_config(
5621                                 &default_hash_testvec_configs[i]));
5622 }
5623
5624 static void testmgr_onetime_init(void)
5625 {
5626         alg_check_test_descs_order();
5627         alg_check_testvec_configs();
5628
5629 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5630         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5631 #endif
5632 }
5633
5634 static int alg_find_test(const char *alg)
5635 {
5636         int start = 0;
5637         int end = ARRAY_SIZE(alg_test_descs);
5638
5639         while (start < end) {
5640                 int i = (start + end) / 2;
5641                 int diff = strcmp(alg_test_descs[i].alg, alg);
5642
5643                 if (diff > 0) {
5644                         end = i;
5645                         continue;
5646                 }
5647
5648                 if (diff < 0) {
5649                         start = i + 1;
5650                         continue;
5651                 }
5652
5653                 return i;
5654         }
5655
5656         return -1;
5657 }
5658
5659 static int alg_fips_disabled(const char *driver, const char *alg)
5660 {
5661         pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5662
5663         return -ECANCELED;
5664 }
5665
5666 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5667 {
5668         int i;
5669         int j;
5670         int rc;
5671
5672         if (!fips_enabled && notests) {
5673                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5674                 return 0;
5675         }
5676
5677         DO_ONCE(testmgr_onetime_init);
5678
5679         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5680                 char nalg[CRYPTO_MAX_ALG_NAME];
5681
5682                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5683                     sizeof(nalg))
5684                         return -ENAMETOOLONG;
5685
5686                 i = alg_find_test(nalg);
5687                 if (i < 0)
5688                         goto notest;
5689
5690                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5691                         goto non_fips_alg;
5692
5693                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5694                 goto test_done;
5695         }
5696
5697         i = alg_find_test(alg);
5698         j = alg_find_test(driver);
5699         if (i < 0 && j < 0)
5700                 goto notest;
5701
5702         if (fips_enabled) {
5703                 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5704                         return -EINVAL;
5705
5706                 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5707                         goto non_fips_alg;
5708         }
5709
5710         rc = 0;
5711         if (i >= 0)
5712                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5713                                              type, mask);
5714         if (j >= 0 && j != i)
5715                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5716                                              type, mask);
5717
5718 test_done:
5719         if (rc) {
5720                 if (fips_enabled || panic_on_fail) {
5721                         fips_fail_notify();
5722                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5723                               driver, alg,
5724                               fips_enabled ? "fips" : "panic_on_fail");
5725                 }
5726                 WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)",
5727                      driver, alg, rc);
5728         } else {
5729                 if (fips_enabled)
5730                         pr_info("alg: self-tests for %s (%s) passed\n",
5731                                 driver, alg);
5732         }
5733
5734         return rc;
5735
5736 notest:
5737         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5738
5739         if (type & CRYPTO_ALG_FIPS_INTERNAL)
5740                 return alg_fips_disabled(driver, alg);
5741
5742         return 0;
5743 non_fips_alg:
5744         return alg_fips_disabled(driver, alg);
5745 }
5746
5747 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5748
5749 EXPORT_SYMBOL_GPL(alg_test);