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TOMOYO Linux Cross Reference
Linux/crypto/testmgr.c

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  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 <crypto/rng.h>
 31 #include <crypto/drbg.h>
 32 #include <crypto/akcipher.h>
 33 #include <crypto/kpp.h>
 34 #include <crypto/acompress.h>
 35 #include <crypto/internal/simd.h>
 36 
 37 #include "internal.h"
 38 
 39 static bool notests;
 40 module_param(notests, bool, 0644);
 41 MODULE_PARM_DESC(notests, "disable crypto self-tests");
 42 
 43 static bool panic_on_fail;
 44 module_param(panic_on_fail, bool, 0444);
 45 
 46 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 47 static bool noextratests;
 48 module_param(noextratests, bool, 0644);
 49 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
 50 
 51 static unsigned int fuzz_iterations = 100;
 52 module_param(fuzz_iterations, uint, 0644);
 53 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
 54 
 55 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
 56 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
 57 #endif
 58 
 59 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
 60 
 61 /* a perfect nop */
 62 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 63 {
 64         return 0;
 65 }
 66 
 67 #else
 68 
 69 #include "testmgr.h"
 70 
 71 /*
 72  * Need slab memory for testing (size in number of pages).
 73  */
 74 #define XBUFSIZE        8
 75 
 76 /*
 77 * Used by test_cipher()
 78 */
 79 #define ENCRYPT 1
 80 #define DECRYPT 0
 81 
 82 struct aead_test_suite {
 83         const struct aead_testvec *vecs;
 84         unsigned int count;
 85 };
 86 
 87 struct cipher_test_suite {
 88         const struct cipher_testvec *vecs;
 89         unsigned int count;
 90 };
 91 
 92 struct comp_test_suite {
 93         struct {
 94                 const struct comp_testvec *vecs;
 95                 unsigned int count;
 96         } comp, decomp;
 97 };
 98 
 99 struct hash_test_suite {
100         const struct hash_testvec *vecs;
101         unsigned int count;
102 };
103 
104 struct cprng_test_suite {
105         const struct cprng_testvec *vecs;
106         unsigned int count;
107 };
108 
109 struct drbg_test_suite {
110         const struct drbg_testvec *vecs;
111         unsigned int count;
112 };
113 
114 struct akcipher_test_suite {
115         const struct akcipher_testvec *vecs;
116         unsigned int count;
117 };
118 
119 struct kpp_test_suite {
120         const struct kpp_testvec *vecs;
121         unsigned int count;
122 };
123 
124 struct alg_test_desc {
125         const char *alg;
126         const char *generic_driver;
127         int (*test)(const struct alg_test_desc *desc, const char *driver,
128                     u32 type, u32 mask);
129         int fips_allowed;       /* set if alg is allowed in fips mode */
130 
131         union {
132                 struct aead_test_suite aead;
133                 struct cipher_test_suite cipher;
134                 struct comp_test_suite comp;
135                 struct hash_test_suite hash;
136                 struct cprng_test_suite cprng;
137                 struct drbg_test_suite drbg;
138                 struct akcipher_test_suite akcipher;
139                 struct kpp_test_suite kpp;
140         } suite;
141 };
142 
143 static void hexdump(unsigned char *buf, unsigned int len)
144 {
145         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
146                         16, 1,
147                         buf, len, false);
148 }
149 
150 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
151 {
152         int i;
153 
154         for (i = 0; i < XBUFSIZE; i++) {
155                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
156                 if (!buf[i])
157                         goto err_free_buf;
158         }
159 
160         return 0;
161 
162 err_free_buf:
163         while (i-- > 0)
164                 free_pages((unsigned long)buf[i], order);
165 
166         return -ENOMEM;
167 }
168 
169 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
170 {
171         return __testmgr_alloc_buf(buf, 0);
172 }
173 
174 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
175 {
176         int i;
177 
178         for (i = 0; i < XBUFSIZE; i++)
179                 free_pages((unsigned long)buf[i], order);
180 }
181 
182 static void testmgr_free_buf(char *buf[XBUFSIZE])
183 {
184         __testmgr_free_buf(buf, 0);
185 }
186 
187 #define TESTMGR_POISON_BYTE     0xfe
188 #define TESTMGR_POISON_LEN      16
189 
190 static inline void testmgr_poison(void *addr, size_t len)
191 {
192         memset(addr, TESTMGR_POISON_BYTE, len);
193 }
194 
195 /* Is the memory region still fully poisoned? */
196 static inline bool testmgr_is_poison(const void *addr, size_t len)
197 {
198         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
199 }
200 
201 /* flush type for hash algorithms */
202 enum flush_type {
203         /* merge with update of previous buffer(s) */
204         FLUSH_TYPE_NONE = 0,
205 
206         /* update with previous buffer(s) before doing this one */
207         FLUSH_TYPE_FLUSH,
208 
209         /* likewise, but also export and re-import the intermediate state */
210         FLUSH_TYPE_REIMPORT,
211 };
212 
213 /* finalization function for hash algorithms */
214 enum finalization_type {
215         FINALIZATION_TYPE_FINAL,        /* use final() */
216         FINALIZATION_TYPE_FINUP,        /* use finup() */
217         FINALIZATION_TYPE_DIGEST,       /* use digest() */
218 };
219 
220 #define TEST_SG_TOTAL   10000
221 
222 /**
223  * struct test_sg_division - description of a scatterlist entry
224  *
225  * This struct describes one entry of a scatterlist being constructed to check a
226  * crypto test vector.
227  *
228  * @proportion_of_total: length of this chunk relative to the total length,
229  *                       given as a proportion out of TEST_SG_TOTAL so that it
230  *                       scales to fit any test vector
231  * @offset: byte offset into a 2-page buffer at which this chunk will start
232  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
233  *                                @offset
234  * @flush_type: for hashes, whether an update() should be done now vs.
235  *              continuing to accumulate data
236  * @nosimd: if doing the pending update(), do it with SIMD disabled?
237  */
238 struct test_sg_division {
239         unsigned int proportion_of_total;
240         unsigned int offset;
241         bool offset_relative_to_alignmask;
242         enum flush_type flush_type;
243         bool nosimd;
244 };
245 
246 /**
247  * struct testvec_config - configuration for testing a crypto test vector
248  *
249  * This struct describes the data layout and other parameters with which each
250  * crypto test vector can be tested.
251  *
252  * @name: name of this config, logged for debugging purposes if a test fails
253  * @inplace: operate on the data in-place, if applicable for the algorithm type?
254  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
255  * @src_divs: description of how to arrange the source scatterlist
256  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
257  *            for the algorithm type.  Defaults to @src_divs if unset.
258  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
259  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
260  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
261  *                                   the @iv_offset
262  * @finalization_type: what finalization function to use for hashes
263  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
264  */
265 struct testvec_config {
266         const char *name;
267         bool inplace;
268         u32 req_flags;
269         struct test_sg_division src_divs[XBUFSIZE];
270         struct test_sg_division dst_divs[XBUFSIZE];
271         unsigned int iv_offset;
272         bool iv_offset_relative_to_alignmask;
273         enum finalization_type finalization_type;
274         bool nosimd;
275 };
276 
277 #define TESTVEC_CONFIG_NAMELEN  192
278 
279 /*
280  * The following are the lists of testvec_configs to test for each algorithm
281  * type when the basic crypto self-tests are enabled, i.e. when
282  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
283  * coverage, while keeping the test time much shorter than the full fuzz tests
284  * so that the basic tests can be enabled in a wider range of circumstances.
285  */
286 
287 /* Configs for skciphers and aeads */
288 static const struct testvec_config default_cipher_testvec_configs[] = {
289         {
290                 .name = "in-place",
291                 .inplace = true,
292                 .src_divs = { { .proportion_of_total = 10000 } },
293         }, {
294                 .name = "out-of-place",
295                 .src_divs = { { .proportion_of_total = 10000 } },
296         }, {
297                 .name = "unaligned buffer, offset=1",
298                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
299                 .iv_offset = 1,
300         }, {
301                 .name = "buffer aligned only to alignmask",
302                 .src_divs = {
303                         {
304                                 .proportion_of_total = 10000,
305                                 .offset = 1,
306                                 .offset_relative_to_alignmask = true,
307                         },
308                 },
309                 .iv_offset = 1,
310                 .iv_offset_relative_to_alignmask = true,
311         }, {
312                 .name = "two even aligned splits",
313                 .src_divs = {
314                         { .proportion_of_total = 5000 },
315                         { .proportion_of_total = 5000 },
316                 },
317         }, {
318                 .name = "uneven misaligned splits, may sleep",
319                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
320                 .src_divs = {
321                         { .proportion_of_total = 1900, .offset = 33 },
322                         { .proportion_of_total = 3300, .offset = 7  },
323                         { .proportion_of_total = 4800, .offset = 18 },
324                 },
325                 .iv_offset = 3,
326         }, {
327                 .name = "misaligned splits crossing pages, inplace",
328                 .inplace = true,
329                 .src_divs = {
330                         {
331                                 .proportion_of_total = 7500,
332                                 .offset = PAGE_SIZE - 32
333                         }, {
334                                 .proportion_of_total = 2500,
335                                 .offset = PAGE_SIZE - 7
336                         },
337                 },
338         }
339 };
340 
341 static const struct testvec_config default_hash_testvec_configs[] = {
342         {
343                 .name = "init+update+final aligned buffer",
344                 .src_divs = { { .proportion_of_total = 10000 } },
345                 .finalization_type = FINALIZATION_TYPE_FINAL,
346         }, {
347                 .name = "init+finup aligned buffer",
348                 .src_divs = { { .proportion_of_total = 10000 } },
349                 .finalization_type = FINALIZATION_TYPE_FINUP,
350         }, {
351                 .name = "digest aligned buffer",
352                 .src_divs = { { .proportion_of_total = 10000 } },
353                 .finalization_type = FINALIZATION_TYPE_DIGEST,
354         }, {
355                 .name = "init+update+final misaligned buffer",
356                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
357                 .finalization_type = FINALIZATION_TYPE_FINAL,
358         }, {
359                 .name = "digest buffer aligned only to alignmask",
360                 .src_divs = {
361                         {
362                                 .proportion_of_total = 10000,
363                                 .offset = 1,
364                                 .offset_relative_to_alignmask = true,
365                         },
366                 },
367                 .finalization_type = FINALIZATION_TYPE_DIGEST,
368         }, {
369                 .name = "init+update+update+final two even splits",
370                 .src_divs = {
371                         { .proportion_of_total = 5000 },
372                         {
373                                 .proportion_of_total = 5000,
374                                 .flush_type = FLUSH_TYPE_FLUSH,
375                         },
376                 },
377                 .finalization_type = FINALIZATION_TYPE_FINAL,
378         }, {
379                 .name = "digest uneven misaligned splits, may sleep",
380                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
381                 .src_divs = {
382                         { .proportion_of_total = 1900, .offset = 33 },
383                         { .proportion_of_total = 3300, .offset = 7  },
384                         { .proportion_of_total = 4800, .offset = 18 },
385                 },
386                 .finalization_type = FINALIZATION_TYPE_DIGEST,
387         }, {
388                 .name = "digest misaligned splits crossing pages",
389                 .src_divs = {
390                         {
391                                 .proportion_of_total = 7500,
392                                 .offset = PAGE_SIZE - 32,
393                         }, {
394                                 .proportion_of_total = 2500,
395                                 .offset = PAGE_SIZE - 7,
396                         },
397                 },
398                 .finalization_type = FINALIZATION_TYPE_DIGEST,
399         }, {
400                 .name = "import/export",
401                 .src_divs = {
402                         {
403                                 .proportion_of_total = 6500,
404                                 .flush_type = FLUSH_TYPE_REIMPORT,
405                         }, {
406                                 .proportion_of_total = 3500,
407                                 .flush_type = FLUSH_TYPE_REIMPORT,
408                         },
409                 },
410                 .finalization_type = FINALIZATION_TYPE_FINAL,
411         }
412 };
413 
414 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
415 {
416         unsigned int remaining = TEST_SG_TOTAL;
417         unsigned int ndivs = 0;
418 
419         do {
420                 remaining -= divs[ndivs++].proportion_of_total;
421         } while (remaining);
422 
423         return ndivs;
424 }
425 
426 #define SGDIVS_HAVE_FLUSHES     BIT(0)
427 #define SGDIVS_HAVE_NOSIMD      BIT(1)
428 
429 static bool valid_sg_divisions(const struct test_sg_division *divs,
430                                unsigned int count, int *flags_ret)
431 {
432         unsigned int total = 0;
433         unsigned int i;
434 
435         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
436                 if (divs[i].proportion_of_total <= 0 ||
437                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
438                         return false;
439                 total += divs[i].proportion_of_total;
440                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
441                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
442                 if (divs[i].nosimd)
443                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
444         }
445         return total == TEST_SG_TOTAL &&
446                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
447 }
448 
449 /*
450  * Check whether the given testvec_config is valid.  This isn't strictly needed
451  * since every testvec_config should be valid, but check anyway so that people
452  * don't unknowingly add broken configs that don't do what they wanted.
453  */
454 static bool valid_testvec_config(const struct testvec_config *cfg)
455 {
456         int flags = 0;
457 
458         if (cfg->name == NULL)
459                 return false;
460 
461         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
462                                 &flags))
463                 return false;
464 
465         if (cfg->dst_divs[0].proportion_of_total) {
466                 if (!valid_sg_divisions(cfg->dst_divs,
467                                         ARRAY_SIZE(cfg->dst_divs), &flags))
468                         return false;
469         } else {
470                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
471                         return false;
472                 /* defaults to dst_divs=src_divs */
473         }
474 
475         if (cfg->iv_offset +
476             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
477             MAX_ALGAPI_ALIGNMASK + 1)
478                 return false;
479 
480         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
481             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
482                 return false;
483 
484         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
485             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
486                 return false;
487 
488         return true;
489 }
490 
491 struct test_sglist {
492         char *bufs[XBUFSIZE];
493         struct scatterlist sgl[XBUFSIZE];
494         struct scatterlist sgl_saved[XBUFSIZE];
495         struct scatterlist *sgl_ptr;
496         unsigned int nents;
497 };
498 
499 static int init_test_sglist(struct test_sglist *tsgl)
500 {
501         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
502 }
503 
504 static void destroy_test_sglist(struct test_sglist *tsgl)
505 {
506         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
507 }
508 
509 /**
510  * build_test_sglist() - build a scatterlist for a crypto test
511  *
512  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
513  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
514  * @divs: the layout specification on which the scatterlist will be based
515  * @alignmask: the algorithm's alignmask
516  * @total_len: the total length of the scatterlist to build in bytes
517  * @data: if non-NULL, the buffers will be filled with this data until it ends.
518  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
519  *        past the end of each buffer will be poisoned to help detect overruns.
520  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
521  *            corresponds will be returned here.  This will match @divs except
522  *            that divisions resolving to a length of 0 are omitted as they are
523  *            not included in the scatterlist.
524  *
525  * Return: 0 or a -errno value
526  */
527 static int build_test_sglist(struct test_sglist *tsgl,
528                              const struct test_sg_division *divs,
529                              const unsigned int alignmask,
530                              const unsigned int total_len,
531                              struct iov_iter *data,
532                              const struct test_sg_division *out_divs[XBUFSIZE])
533 {
534         struct {
535                 const struct test_sg_division *div;
536                 size_t length;
537         } partitions[XBUFSIZE];
538         const unsigned int ndivs = count_test_sg_divisions(divs);
539         unsigned int len_remaining = total_len;
540         unsigned int i;
541 
542         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
543         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
544                 return -EINVAL;
545 
546         /* Calculate the (div, length) pairs */
547         tsgl->nents = 0;
548         for (i = 0; i < ndivs; i++) {
549                 unsigned int len_this_sg =
550                         min(len_remaining,
551                             (total_len * divs[i].proportion_of_total +
552                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
553 
554                 if (len_this_sg != 0) {
555                         partitions[tsgl->nents].div = &divs[i];
556                         partitions[tsgl->nents].length = len_this_sg;
557                         tsgl->nents++;
558                         len_remaining -= len_this_sg;
559                 }
560         }
561         if (tsgl->nents == 0) {
562                 partitions[tsgl->nents].div = &divs[0];
563                 partitions[tsgl->nents].length = 0;
564                 tsgl->nents++;
565         }
566         partitions[tsgl->nents - 1].length += len_remaining;
567 
568         /* Set up the sgl entries and fill the data or poison */
569         sg_init_table(tsgl->sgl, tsgl->nents);
570         for (i = 0; i < tsgl->nents; i++) {
571                 unsigned int offset = partitions[i].div->offset;
572                 void *addr;
573 
574                 if (partitions[i].div->offset_relative_to_alignmask)
575                         offset += alignmask;
576 
577                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
578                        2 * PAGE_SIZE) {
579                         if (WARN_ON(offset <= 0))
580                                 return -EINVAL;
581                         offset /= 2;
582                 }
583 
584                 addr = &tsgl->bufs[i][offset];
585                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
586 
587                 if (out_divs)
588                         out_divs[i] = partitions[i].div;
589 
590                 if (data) {
591                         size_t copy_len, copied;
592 
593                         copy_len = min(partitions[i].length, data->count);
594                         copied = copy_from_iter(addr, copy_len, data);
595                         if (WARN_ON(copied != copy_len))
596                                 return -EINVAL;
597                         testmgr_poison(addr + copy_len, partitions[i].length +
598                                        TESTMGR_POISON_LEN - copy_len);
599                 } else {
600                         testmgr_poison(addr, partitions[i].length +
601                                        TESTMGR_POISON_LEN);
602                 }
603         }
604 
605         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
606         tsgl->sgl_ptr = tsgl->sgl;
607         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
608         return 0;
609 }
610 
611 /*
612  * Verify that a scatterlist crypto operation produced the correct output.
613  *
614  * @tsgl: scatterlist containing the actual output
615  * @expected_output: buffer containing the expected output
616  * @len_to_check: length of @expected_output in bytes
617  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
618  * @check_poison: verify that the poison bytes after each chunk are intact?
619  *
620  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
621  */
622 static int verify_correct_output(const struct test_sglist *tsgl,
623                                  const char *expected_output,
624                                  unsigned int len_to_check,
625                                  unsigned int unchecked_prefix_len,
626                                  bool check_poison)
627 {
628         unsigned int i;
629 
630         for (i = 0; i < tsgl->nents; i++) {
631                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
632                 unsigned int len = sg->length;
633                 unsigned int offset = sg->offset;
634                 const char *actual_output;
635 
636                 if (unchecked_prefix_len) {
637                         if (unchecked_prefix_len >= len) {
638                                 unchecked_prefix_len -= len;
639                                 continue;
640                         }
641                         offset += unchecked_prefix_len;
642                         len -= unchecked_prefix_len;
643                         unchecked_prefix_len = 0;
644                 }
645                 len = min(len, len_to_check);
646                 actual_output = page_address(sg_page(sg)) + offset;
647                 if (memcmp(expected_output, actual_output, len) != 0)
648                         return -EINVAL;
649                 if (check_poison &&
650                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
651                         return -EOVERFLOW;
652                 len_to_check -= len;
653                 expected_output += len;
654         }
655         if (WARN_ON(len_to_check != 0))
656                 return -EINVAL;
657         return 0;
658 }
659 
660 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
661 {
662         unsigned int i;
663 
664         for (i = 0; i < tsgl->nents; i++) {
665                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
666                         return true;
667                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
668                         return true;
669                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
670                         return true;
671         }
672         return false;
673 }
674 
675 struct cipher_test_sglists {
676         struct test_sglist src;
677         struct test_sglist dst;
678 };
679 
680 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
681 {
682         struct cipher_test_sglists *tsgls;
683 
684         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
685         if (!tsgls)
686                 return NULL;
687 
688         if (init_test_sglist(&tsgls->src) != 0)
689                 goto fail_kfree;
690         if (init_test_sglist(&tsgls->dst) != 0)
691                 goto fail_destroy_src;
692 
693         return tsgls;
694 
695 fail_destroy_src:
696         destroy_test_sglist(&tsgls->src);
697 fail_kfree:
698         kfree(tsgls);
699         return NULL;
700 }
701 
702 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
703 {
704         if (tsgls) {
705                 destroy_test_sglist(&tsgls->src);
706                 destroy_test_sglist(&tsgls->dst);
707                 kfree(tsgls);
708         }
709 }
710 
711 /* Build the src and dst scatterlists for an skcipher or AEAD test */
712 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
713                                      const struct testvec_config *cfg,
714                                      unsigned int alignmask,
715                                      unsigned int src_total_len,
716                                      unsigned int dst_total_len,
717                                      const struct kvec *inputs,
718                                      unsigned int nr_inputs)
719 {
720         struct iov_iter input;
721         int err;
722 
723         iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
724         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
725                                 cfg->inplace ?
726                                         max(dst_total_len, src_total_len) :
727                                         src_total_len,
728                                 &input, NULL);
729         if (err)
730                 return err;
731 
732         if (cfg->inplace) {
733                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
734                 tsgls->dst.nents = tsgls->src.nents;
735                 return 0;
736         }
737         return build_test_sglist(&tsgls->dst,
738                                  cfg->dst_divs[0].proportion_of_total ?
739                                         cfg->dst_divs : cfg->src_divs,
740                                  alignmask, dst_total_len, NULL, NULL);
741 }
742 
743 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
744 
745 /* Generate a random length in range [0, max_len], but prefer smaller values */
746 static unsigned int generate_random_length(unsigned int max_len)
747 {
748         unsigned int len = prandom_u32() % (max_len + 1);
749 
750         switch (prandom_u32() % 4) {
751         case 0:
752                 return len % 64;
753         case 1:
754                 return len % 256;
755         case 2:
756                 return len % 1024;
757         default:
758                 return len;
759         }
760 }
761 
762 /* Sometimes make some random changes to the given data buffer */
763 static void mutate_buffer(u8 *buf, size_t count)
764 {
765         size_t num_flips;
766         size_t i;
767         size_t pos;
768 
769         /* Sometimes flip some bits */
770         if (prandom_u32() % 4 == 0) {
771                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), count * 8);
772                 for (i = 0; i < num_flips; i++) {
773                         pos = prandom_u32() % (count * 8);
774                         buf[pos / 8] ^= 1 << (pos % 8);
775                 }
776         }
777 
778         /* Sometimes flip some bytes */
779         if (prandom_u32() % 4 == 0) {
780                 num_flips = min_t(size_t, 1 << (prandom_u32() % 8), count);
781                 for (i = 0; i < num_flips; i++)
782                         buf[prandom_u32() % count] ^= 0xff;
783         }
784 }
785 
786 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
787 static void generate_random_bytes(u8 *buf, size_t count)
788 {
789         u8 b;
790         u8 increment;
791         size_t i;
792 
793         if (count == 0)
794                 return;
795 
796         switch (prandom_u32() % 8) { /* Choose a generation strategy */
797         case 0:
798         case 1:
799                 /* All the same byte, plus optional mutations */
800                 switch (prandom_u32() % 4) {
801                 case 0:
802                         b = 0x00;
803                         break;
804                 case 1:
805                         b = 0xff;
806                         break;
807                 default:
808                         b = (u8)prandom_u32();
809                         break;
810                 }
811                 memset(buf, b, count);
812                 mutate_buffer(buf, count);
813                 break;
814         case 2:
815                 /* Ascending or descending bytes, plus optional mutations */
816                 increment = (u8)prandom_u32();
817                 b = (u8)prandom_u32();
818                 for (i = 0; i < count; i++, b += increment)
819                         buf[i] = b;
820                 mutate_buffer(buf, count);
821                 break;
822         default:
823                 /* Fully random bytes */
824                 for (i = 0; i < count; i++)
825                         buf[i] = (u8)prandom_u32();
826         }
827 }
828 
829 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
830                                            size_t max_divs, char *p, char *end,
831                                            bool gen_flushes, u32 req_flags)
832 {
833         struct test_sg_division *div = divs;
834         unsigned int remaining = TEST_SG_TOTAL;
835 
836         do {
837                 unsigned int this_len;
838                 const char *flushtype_str;
839 
840                 if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
841                         this_len = remaining;
842                 else
843                         this_len = 1 + (prandom_u32() % remaining);
844                 div->proportion_of_total = this_len;
845 
846                 if (prandom_u32() % 4 == 0)
847                         div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
848                 else if (prandom_u32() % 2 == 0)
849                         div->offset = prandom_u32() % 32;
850                 else
851                         div->offset = prandom_u32() % PAGE_SIZE;
852                 if (prandom_u32() % 8 == 0)
853                         div->offset_relative_to_alignmask = true;
854 
855                 div->flush_type = FLUSH_TYPE_NONE;
856                 if (gen_flushes) {
857                         switch (prandom_u32() % 4) {
858                         case 0:
859                                 div->flush_type = FLUSH_TYPE_REIMPORT;
860                                 break;
861                         case 1:
862                                 div->flush_type = FLUSH_TYPE_FLUSH;
863                                 break;
864                         }
865                 }
866 
867                 if (div->flush_type != FLUSH_TYPE_NONE &&
868                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
869                     prandom_u32() % 2 == 0)
870                         div->nosimd = true;
871 
872                 switch (div->flush_type) {
873                 case FLUSH_TYPE_FLUSH:
874                         if (div->nosimd)
875                                 flushtype_str = "<flush,nosimd>";
876                         else
877                                 flushtype_str = "<flush>";
878                         break;
879                 case FLUSH_TYPE_REIMPORT:
880                         if (div->nosimd)
881                                 flushtype_str = "<reimport,nosimd>";
882                         else
883                                 flushtype_str = "<reimport>";
884                         break;
885                 default:
886                         flushtype_str = "";
887                         break;
888                 }
889 
890                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
891                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
892                                this_len / 100, this_len % 100,
893                                div->offset_relative_to_alignmask ?
894                                         "alignmask" : "",
895                                div->offset, this_len == remaining ? "" : ", ");
896                 remaining -= this_len;
897                 div++;
898         } while (remaining);
899 
900         return p;
901 }
902 
903 /* Generate a random testvec_config for fuzz testing */
904 static void generate_random_testvec_config(struct testvec_config *cfg,
905                                            char *name, size_t max_namelen)
906 {
907         char *p = name;
908         char * const end = name + max_namelen;
909 
910         memset(cfg, 0, sizeof(*cfg));
911 
912         cfg->name = name;
913 
914         p += scnprintf(p, end - p, "random:");
915 
916         if (prandom_u32() % 2 == 0) {
917                 cfg->inplace = true;
918                 p += scnprintf(p, end - p, " inplace");
919         }
920 
921         if (prandom_u32() % 2 == 0) {
922                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
923                 p += scnprintf(p, end - p, " may_sleep");
924         }
925 
926         switch (prandom_u32() % 4) {
927         case 0:
928                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
929                 p += scnprintf(p, end - p, " use_final");
930                 break;
931         case 1:
932                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
933                 p += scnprintf(p, end - p, " use_finup");
934                 break;
935         default:
936                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
937                 p += scnprintf(p, end - p, " use_digest");
938                 break;
939         }
940 
941         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
942             prandom_u32() % 2 == 0) {
943                 cfg->nosimd = true;
944                 p += scnprintf(p, end - p, " nosimd");
945         }
946 
947         p += scnprintf(p, end - p, " src_divs=[");
948         p = generate_random_sgl_divisions(cfg->src_divs,
949                                           ARRAY_SIZE(cfg->src_divs), p, end,
950                                           (cfg->finalization_type !=
951                                            FINALIZATION_TYPE_DIGEST),
952                                           cfg->req_flags);
953         p += scnprintf(p, end - p, "]");
954 
955         if (!cfg->inplace && prandom_u32() % 2 == 0) {
956                 p += scnprintf(p, end - p, " dst_divs=[");
957                 p = generate_random_sgl_divisions(cfg->dst_divs,
958                                                   ARRAY_SIZE(cfg->dst_divs),
959                                                   p, end, false,
960                                                   cfg->req_flags);
961                 p += scnprintf(p, end - p, "]");
962         }
963 
964         if (prandom_u32() % 2 == 0) {
965                 cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
966                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
967         }
968 
969         WARN_ON_ONCE(!valid_testvec_config(cfg));
970 }
971 
972 static void crypto_disable_simd_for_test(void)
973 {
974         preempt_disable();
975         __this_cpu_write(crypto_simd_disabled_for_test, true);
976 }
977 
978 static void crypto_reenable_simd_for_test(void)
979 {
980         __this_cpu_write(crypto_simd_disabled_for_test, false);
981         preempt_enable();
982 }
983 
984 /*
985  * Given an algorithm name, build the name of the generic implementation of that
986  * algorithm, assuming the usual naming convention.  Specifically, this appends
987  * "-generic" to every part of the name that is not a template name.  Examples:
988  *
989  *      aes => aes-generic
990  *      cbc(aes) => cbc(aes-generic)
991  *      cts(cbc(aes)) => cts(cbc(aes-generic))
992  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
993  *
994  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
995  */
996 static int build_generic_driver_name(const char *algname,
997                                      char driver_name[CRYPTO_MAX_ALG_NAME])
998 {
999         const char *in = algname;
1000         char *out = driver_name;
1001         size_t len = strlen(algname);
1002 
1003         if (len >= CRYPTO_MAX_ALG_NAME)
1004                 goto too_long;
1005         do {
1006                 const char *in_saved = in;
1007 
1008                 while (*in && *in != '(' && *in != ')' && *in != ',')
1009                         *out++ = *in++;
1010                 if (*in != '(' && in > in_saved) {
1011                         len += 8;
1012                         if (len >= CRYPTO_MAX_ALG_NAME)
1013                                 goto too_long;
1014                         memcpy(out, "-generic", 8);
1015                         out += 8;
1016                 }
1017         } while ((*out++ = *in++) != '\0');
1018         return 0;
1019 
1020 too_long:
1021         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1022                algname);
1023         return -ENAMETOOLONG;
1024 }
1025 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1026 static void crypto_disable_simd_for_test(void)
1027 {
1028 }
1029 
1030 static void crypto_reenable_simd_for_test(void)
1031 {
1032 }
1033 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1034 
1035 static int do_ahash_op(int (*op)(struct ahash_request *req),
1036                        struct ahash_request *req,
1037                        struct crypto_wait *wait, bool nosimd)
1038 {
1039         int err;
1040 
1041         if (nosimd)
1042                 crypto_disable_simd_for_test();
1043 
1044         err = op(req);
1045 
1046         if (nosimd)
1047                 crypto_reenable_simd_for_test();
1048 
1049         return crypto_wait_req(err, wait);
1050 }
1051 
1052 static int check_nonfinal_hash_op(const char *op, int err,
1053                                   u8 *result, unsigned int digestsize,
1054                                   const char *driver, const char *vec_name,
1055                                   const struct testvec_config *cfg)
1056 {
1057         if (err) {
1058                 pr_err("alg: hash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1059                        driver, op, err, vec_name, cfg->name);
1060                 return err;
1061         }
1062         if (!testmgr_is_poison(result, digestsize)) {
1063                 pr_err("alg: hash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1064                        driver, op, vec_name, cfg->name);
1065                 return -EINVAL;
1066         }
1067         return 0;
1068 }
1069 
1070 static int test_hash_vec_cfg(const char *driver,
1071                              const struct hash_testvec *vec,
1072                              const char *vec_name,
1073                              const struct testvec_config *cfg,
1074                              struct ahash_request *req,
1075                              struct test_sglist *tsgl,
1076                              u8 *hashstate)
1077 {
1078         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1079         const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1080         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1081         const unsigned int statesize = crypto_ahash_statesize(tfm);
1082         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1083         const struct test_sg_division *divs[XBUFSIZE];
1084         DECLARE_CRYPTO_WAIT(wait);
1085         struct kvec _input;
1086         struct iov_iter input;
1087         unsigned int i;
1088         struct scatterlist *pending_sgl;
1089         unsigned int pending_len;
1090         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1091         int err;
1092 
1093         /* Set the key, if specified */
1094         if (vec->ksize) {
1095                 err = crypto_ahash_setkey(tfm, vec->key, vec->ksize);
1096                 if (err) {
1097                         if (err == vec->setkey_error)
1098                                 return 0;
1099                         pr_err("alg: hash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1100                                driver, vec_name, vec->setkey_error, err,
1101                                crypto_ahash_get_flags(tfm));
1102                         return err;
1103                 }
1104                 if (vec->setkey_error) {
1105                         pr_err("alg: hash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1106                                driver, vec_name, vec->setkey_error);
1107                         return -EINVAL;
1108                 }
1109         }
1110 
1111         /* Build the scatterlist for the source data */
1112         _input.iov_base = (void *)vec->plaintext;
1113         _input.iov_len = vec->psize;
1114         iov_iter_kvec(&input, WRITE, &_input, 1, vec->psize);
1115         err = build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1116                                 &input, divs);
1117         if (err) {
1118                 pr_err("alg: hash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1119                        driver, vec_name, cfg->name);
1120                 return err;
1121         }
1122 
1123         /* Do the actual hashing */
1124 
1125         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1126         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1127 
1128         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1129             vec->digest_error) {
1130                 /* Just using digest() */
1131                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1132                                            &wait);
1133                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1134                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1135                 if (err) {
1136                         if (err == vec->digest_error)
1137                                 return 0;
1138                         pr_err("alg: hash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1139                                driver, vec_name, vec->digest_error, err,
1140                                cfg->name);
1141                         return err;
1142                 }
1143                 if (vec->digest_error) {
1144                         pr_err("alg: hash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1145                                driver, vec_name, vec->digest_error, cfg->name);
1146                         return -EINVAL;
1147                 }
1148                 goto result_ready;
1149         }
1150 
1151         /* Using init(), zero or more update(), then final() or finup() */
1152 
1153         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1154         ahash_request_set_crypt(req, NULL, result, 0);
1155         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1156         err = check_nonfinal_hash_op("init", err, result, digestsize,
1157                                      driver, vec_name, cfg);
1158         if (err)
1159                 return err;
1160 
1161         pending_sgl = NULL;
1162         pending_len = 0;
1163         for (i = 0; i < tsgl->nents; i++) {
1164                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1165                     pending_sgl != NULL) {
1166                         /* update() with the pending data */
1167                         ahash_request_set_callback(req, req_flags,
1168                                                    crypto_req_done, &wait);
1169                         ahash_request_set_crypt(req, pending_sgl, result,
1170                                                 pending_len);
1171                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1172                                           divs[i]->nosimd);
1173                         err = check_nonfinal_hash_op("update", err,
1174                                                      result, digestsize,
1175                                                      driver, vec_name, cfg);
1176                         if (err)
1177                                 return err;
1178                         pending_sgl = NULL;
1179                         pending_len = 0;
1180                 }
1181                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1182                         /* Test ->export() and ->import() */
1183                         testmgr_poison(hashstate + statesize,
1184                                        TESTMGR_POISON_LEN);
1185                         err = crypto_ahash_export(req, hashstate);
1186                         err = check_nonfinal_hash_op("export", err,
1187                                                      result, digestsize,
1188                                                      driver, vec_name, cfg);
1189                         if (err)
1190                                 return err;
1191                         if (!testmgr_is_poison(hashstate + statesize,
1192                                                TESTMGR_POISON_LEN)) {
1193                                 pr_err("alg: hash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1194                                        driver, vec_name, cfg->name);
1195                                 return -EOVERFLOW;
1196                         }
1197 
1198                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1199                         err = crypto_ahash_import(req, hashstate);
1200                         err = check_nonfinal_hash_op("import", err,
1201                                                      result, digestsize,
1202                                                      driver, vec_name, cfg);
1203                         if (err)
1204                                 return err;
1205                 }
1206                 if (pending_sgl == NULL)
1207                         pending_sgl = &tsgl->sgl[i];
1208                 pending_len += tsgl->sgl[i].length;
1209         }
1210 
1211         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1212         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1213         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1214                 /* finish with update() and final() */
1215                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1216                 err = check_nonfinal_hash_op("update", err, result, digestsize,
1217                                              driver, vec_name, cfg);
1218                 if (err)
1219                         return err;
1220                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1221                 if (err) {
1222                         pr_err("alg: hash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1223                                driver, err, vec_name, cfg->name);
1224                         return err;
1225                 }
1226         } else {
1227                 /* finish with finup() */
1228                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1229                 if (err) {
1230                         pr_err("alg: hash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1231                                driver, err, vec_name, cfg->name);
1232                         return err;
1233                 }
1234         }
1235 
1236 result_ready:
1237         /* Check that the algorithm produced the correct digest */
1238         if (memcmp(result, vec->digest, digestsize) != 0) {
1239                 pr_err("alg: hash: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1240                        driver, vec_name, cfg->name);
1241                 return -EINVAL;
1242         }
1243         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1244                 pr_err("alg: hash: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1245                        driver, vec_name, cfg->name);
1246                 return -EOVERFLOW;
1247         }
1248 
1249         return 0;
1250 }
1251 
1252 static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
1253                          unsigned int vec_num, struct ahash_request *req,
1254                          struct test_sglist *tsgl, u8 *hashstate)
1255 {
1256         char vec_name[16];
1257         unsigned int i;
1258         int err;
1259 
1260         sprintf(vec_name, "%u", vec_num);
1261 
1262         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1263                 err = test_hash_vec_cfg(driver, vec, vec_name,
1264                                         &default_hash_testvec_configs[i],
1265                                         req, tsgl, hashstate);
1266                 if (err)
1267                         return err;
1268         }
1269 
1270 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1271         if (!noextratests) {
1272                 struct testvec_config cfg;
1273                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1274 
1275                 for (i = 0; i < fuzz_iterations; i++) {
1276                         generate_random_testvec_config(&cfg, cfgname,
1277                                                        sizeof(cfgname));
1278                         err = test_hash_vec_cfg(driver, vec, vec_name, &cfg,
1279                                                 req, tsgl, hashstate);
1280                         if (err)
1281                                 return err;
1282                         cond_resched();
1283                 }
1284         }
1285 #endif
1286         return 0;
1287 }
1288 
1289 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1290 /*
1291  * Generate a hash test vector from the given implementation.
1292  * Assumes the buffers in 'vec' were already allocated.
1293  */
1294 static void generate_random_hash_testvec(struct crypto_shash *tfm,
1295                                          struct hash_testvec *vec,
1296                                          unsigned int maxkeysize,
1297                                          unsigned int maxdatasize,
1298                                          char *name, size_t max_namelen)
1299 {
1300         SHASH_DESC_ON_STACK(desc, tfm);
1301 
1302         /* Data */
1303         vec->psize = generate_random_length(maxdatasize);
1304         generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1305 
1306         /*
1307          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1308          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1309          */
1310         vec->setkey_error = 0;
1311         vec->ksize = 0;
1312         if (maxkeysize) {
1313                 vec->ksize = maxkeysize;
1314                 if (prandom_u32() % 4 == 0)
1315                         vec->ksize = 1 + (prandom_u32() % maxkeysize);
1316                 generate_random_bytes((u8 *)vec->key, vec->ksize);
1317 
1318                 vec->setkey_error = crypto_shash_setkey(tfm, vec->key,
1319                                                         vec->ksize);
1320                 /* If the key couldn't be set, no need to continue to digest. */
1321                 if (vec->setkey_error)
1322                         goto done;
1323         }
1324 
1325         /* Digest */
1326         desc->tfm = tfm;
1327         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1328                                                 vec->psize, (u8 *)vec->digest);
1329 done:
1330         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1331                  vec->psize, vec->ksize);
1332 }
1333 
1334 /*
1335  * Test the hash algorithm represented by @req against the corresponding generic
1336  * implementation, if one is available.
1337  */
1338 static int test_hash_vs_generic_impl(const char *driver,
1339                                      const char *generic_driver,
1340                                      unsigned int maxkeysize,
1341                                      struct ahash_request *req,
1342                                      struct test_sglist *tsgl,
1343                                      u8 *hashstate)
1344 {
1345         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1346         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1347         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1348         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1349         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1350         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1351         struct crypto_shash *generic_tfm = NULL;
1352         unsigned int i;
1353         struct hash_testvec vec = { 0 };
1354         char vec_name[64];
1355         struct testvec_config cfg;
1356         char cfgname[TESTVEC_CONFIG_NAMELEN];
1357         int err;
1358 
1359         if (noextratests)
1360                 return 0;
1361 
1362         if (!generic_driver) { /* Use default naming convention? */
1363                 err = build_generic_driver_name(algname, _generic_driver);
1364                 if (err)
1365                         return err;
1366                 generic_driver = _generic_driver;
1367         }
1368 
1369         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1370                 return 0;
1371 
1372         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1373         if (IS_ERR(generic_tfm)) {
1374                 err = PTR_ERR(generic_tfm);
1375                 if (err == -ENOENT) {
1376                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1377                                 driver, generic_driver);
1378                         return 0;
1379                 }
1380                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1381                        generic_driver, algname, err);
1382                 return err;
1383         }
1384 
1385         /* Check the algorithm properties for consistency. */
1386 
1387         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1388                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1389                        driver, digestsize,
1390                        crypto_shash_digestsize(generic_tfm));
1391                 err = -EINVAL;
1392                 goto out;
1393         }
1394 
1395         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1396                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1397                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1398                 err = -EINVAL;
1399                 goto out;
1400         }
1401 
1402         /*
1403          * Now generate test vectors using the generic implementation, and test
1404          * the other implementation against them.
1405          */
1406 
1407         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1408         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1409         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1410         if (!vec.key || !vec.plaintext || !vec.digest) {
1411                 err = -ENOMEM;
1412                 goto out;
1413         }
1414 
1415         for (i = 0; i < fuzz_iterations * 8; i++) {
1416                 generate_random_hash_testvec(generic_tfm, &vec,
1417                                              maxkeysize, maxdatasize,
1418                                              vec_name, sizeof(vec_name));
1419                 generate_random_testvec_config(&cfg, cfgname, sizeof(cfgname));
1420 
1421                 err = test_hash_vec_cfg(driver, &vec, vec_name, &cfg,
1422                                         req, tsgl, hashstate);
1423                 if (err)
1424                         goto out;
1425                 cond_resched();
1426         }
1427         err = 0;
1428 out:
1429         kfree(vec.key);
1430         kfree(vec.plaintext);
1431         kfree(vec.digest);
1432         crypto_free_shash(generic_tfm);
1433         return err;
1434 }
1435 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1436 static int test_hash_vs_generic_impl(const char *driver,
1437                                      const char *generic_driver,
1438                                      unsigned int maxkeysize,
1439                                      struct ahash_request *req,
1440                                      struct test_sglist *tsgl,
1441                                      u8 *hashstate)
1442 {
1443         return 0;
1444 }
1445 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1446 
1447 static int __alg_test_hash(const struct hash_testvec *vecs,
1448                            unsigned int num_vecs, const char *driver,
1449                            u32 type, u32 mask,
1450                            const char *generic_driver, unsigned int maxkeysize)
1451 {
1452         struct crypto_ahash *tfm;
1453         struct ahash_request *req = NULL;
1454         struct test_sglist *tsgl = NULL;
1455         u8 *hashstate = NULL;
1456         unsigned int i;
1457         int err;
1458 
1459         tfm = crypto_alloc_ahash(driver, type, mask);
1460         if (IS_ERR(tfm)) {
1461                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1462                        driver, PTR_ERR(tfm));
1463                 return PTR_ERR(tfm);
1464         }
1465 
1466         req = ahash_request_alloc(tfm, GFP_KERNEL);
1467         if (!req) {
1468                 pr_err("alg: hash: failed to allocate request for %s\n",
1469                        driver);
1470                 err = -ENOMEM;
1471                 goto out;
1472         }
1473 
1474         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1475         if (!tsgl || init_test_sglist(tsgl) != 0) {
1476                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1477                        driver);
1478                 kfree(tsgl);
1479                 tsgl = NULL;
1480                 err = -ENOMEM;
1481                 goto out;
1482         }
1483 
1484         hashstate = kmalloc(crypto_ahash_statesize(tfm) + TESTMGR_POISON_LEN,
1485                             GFP_KERNEL);
1486         if (!hashstate) {
1487                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1488                        driver);
1489                 err = -ENOMEM;
1490                 goto out;
1491         }
1492 
1493         for (i = 0; i < num_vecs; i++) {
1494                 err = test_hash_vec(driver, &vecs[i], i, req, tsgl, hashstate);
1495                 if (err)
1496                         goto out;
1497                 cond_resched();
1498         }
1499         err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
1500                                         tsgl, hashstate);
1501 out:
1502         kfree(hashstate);
1503         if (tsgl) {
1504                 destroy_test_sglist(tsgl);
1505                 kfree(tsgl);
1506         }
1507         ahash_request_free(req);
1508         crypto_free_ahash(tfm);
1509         return err;
1510 }
1511 
1512 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1513                          u32 type, u32 mask)
1514 {
1515         const struct hash_testvec *template = desc->suite.hash.vecs;
1516         unsigned int tcount = desc->suite.hash.count;
1517         unsigned int nr_unkeyed, nr_keyed;
1518         unsigned int maxkeysize = 0;
1519         int err;
1520 
1521         /*
1522          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1523          * first, before setting a key on the tfm.  To make this easier, we
1524          * require that the unkeyed test vectors (if any) are listed first.
1525          */
1526 
1527         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1528                 if (template[nr_unkeyed].ksize)
1529                         break;
1530         }
1531         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1532                 if (!template[nr_unkeyed + nr_keyed].ksize) {
1533                         pr_err("alg: hash: test vectors for %s out of order, "
1534                                "unkeyed ones must come first\n", desc->alg);
1535                         return -EINVAL;
1536                 }
1537                 maxkeysize = max_t(unsigned int, maxkeysize,
1538                                    template[nr_unkeyed + nr_keyed].ksize);
1539         }
1540 
1541         err = 0;
1542         if (nr_unkeyed) {
1543                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1544                                       desc->generic_driver, maxkeysize);
1545                 template += nr_unkeyed;
1546         }
1547 
1548         if (!err && nr_keyed)
1549                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1550                                       desc->generic_driver, maxkeysize);
1551 
1552         return err;
1553 }
1554 
1555 static int test_aead_vec_cfg(const char *driver, int enc,
1556                              const struct aead_testvec *vec,
1557                              const char *vec_name,
1558                              const struct testvec_config *cfg,
1559                              struct aead_request *req,
1560                              struct cipher_test_sglists *tsgls)
1561 {
1562         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1563         const unsigned int alignmask = crypto_aead_alignmask(tfm);
1564         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1565         const unsigned int authsize = vec->clen - vec->plen;
1566         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1567         const char *op = enc ? "encryption" : "decryption";
1568         DECLARE_CRYPTO_WAIT(wait);
1569         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1570         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1571                  cfg->iv_offset +
1572                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1573         struct kvec input[2];
1574         int expected_error;
1575         int err;
1576 
1577         /* Set the key */
1578         if (vec->wk)
1579                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1580         else
1581                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1582         err = crypto_aead_setkey(tfm, vec->key, vec->klen);
1583         if (err && err != vec->setkey_error) {
1584                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1585                        driver, vec_name, vec->setkey_error, err,
1586                        crypto_aead_get_flags(tfm));
1587                 return err;
1588         }
1589         if (!err && vec->setkey_error) {
1590                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1591                        driver, vec_name, vec->setkey_error);
1592                 return -EINVAL;
1593         }
1594 
1595         /* Set the authentication tag size */
1596         err = crypto_aead_setauthsize(tfm, authsize);
1597         if (err && err != vec->setauthsize_error) {
1598                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1599                        driver, vec_name, vec->setauthsize_error, err);
1600                 return err;
1601         }
1602         if (!err && vec->setauthsize_error) {
1603                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1604                        driver, vec_name, vec->setauthsize_error);
1605                 return -EINVAL;
1606         }
1607 
1608         if (vec->setkey_error || vec->setauthsize_error)
1609                 return 0;
1610 
1611         /* The IV must be copied to a buffer, as the algorithm may modify it */
1612         if (WARN_ON(ivsize > MAX_IVLEN))
1613                 return -EINVAL;
1614         if (vec->iv)
1615                 memcpy(iv, vec->iv, ivsize);
1616         else
1617                 memset(iv, 0, ivsize);
1618 
1619         /* Build the src/dst scatterlists */
1620         input[0].iov_base = (void *)vec->assoc;
1621         input[0].iov_len = vec->alen;
1622         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1623         input[1].iov_len = enc ? vec->plen : vec->clen;
1624         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1625                                         vec->alen + (enc ? vec->plen :
1626                                                      vec->clen),
1627                                         vec->alen + (enc ? vec->clen :
1628                                                      vec->plen),
1629                                         input, 2);
1630         if (err) {
1631                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
1632                        driver, op, vec_name, cfg->name);
1633                 return err;
1634         }
1635 
1636         /* Do the actual encryption or decryption */
1637         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
1638         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
1639         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
1640                                enc ? vec->plen : vec->clen, iv);
1641         aead_request_set_ad(req, vec->alen);
1642         if (cfg->nosimd)
1643                 crypto_disable_simd_for_test();
1644         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
1645         if (cfg->nosimd)
1646                 crypto_reenable_simd_for_test();
1647         err = crypto_wait_req(err, &wait);
1648 
1649         /* Check that the algorithm didn't overwrite things it shouldn't have */
1650         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
1651             req->assoclen != vec->alen ||
1652             req->iv != iv ||
1653             req->src != tsgls->src.sgl_ptr ||
1654             req->dst != tsgls->dst.sgl_ptr ||
1655             crypto_aead_reqtfm(req) != tfm ||
1656             req->base.complete != crypto_req_done ||
1657             req->base.flags != req_flags ||
1658             req->base.data != &wait) {
1659                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
1660                        driver, op, vec_name, cfg->name);
1661                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
1662                         pr_err("alg: aead: changed 'req->cryptlen'\n");
1663                 if (req->assoclen != vec->alen)
1664                         pr_err("alg: aead: changed 'req->assoclen'\n");
1665                 if (req->iv != iv)
1666                         pr_err("alg: aead: changed 'req->iv'\n");
1667                 if (req->src != tsgls->src.sgl_ptr)
1668                         pr_err("alg: aead: changed 'req->src'\n");
1669                 if (req->dst != tsgls->dst.sgl_ptr)
1670                         pr_err("alg: aead: changed 'req->dst'\n");
1671                 if (crypto_aead_reqtfm(req) != tfm)
1672                         pr_err("alg: aead: changed 'req->base.tfm'\n");
1673                 if (req->base.complete != crypto_req_done)
1674                         pr_err("alg: aead: changed 'req->base.complete'\n");
1675                 if (req->base.flags != req_flags)
1676                         pr_err("alg: aead: changed 'req->base.flags'\n");
1677                 if (req->base.data != &wait)
1678                         pr_err("alg: aead: changed 'req->base.data'\n");
1679                 return -EINVAL;
1680         }
1681         if (is_test_sglist_corrupted(&tsgls->src)) {
1682                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
1683                        driver, op, vec_name, cfg->name);
1684                 return -EINVAL;
1685         }
1686         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
1687             is_test_sglist_corrupted(&tsgls->dst)) {
1688                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
1689                        driver, op, vec_name, cfg->name);
1690                 return -EINVAL;
1691         }
1692 
1693         /* Check for success or failure */
1694         expected_error = vec->novrfy ? -EBADMSG : vec->crypt_error;
1695         if (err) {
1696                 if (err == expected_error)
1697                         return 0;
1698                 pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1699                        driver, op, vec_name, expected_error, err, cfg->name);
1700                 return err;
1701         }
1702         if (expected_error) {
1703                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1704                        driver, op, vec_name, expected_error, cfg->name);
1705                 return -EINVAL;
1706         }
1707 
1708         /* Check for the correct output (ciphertext or plaintext) */
1709         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
1710                                     enc ? vec->clen : vec->plen,
1711                                     vec->alen, enc || !cfg->inplace);
1712         if (err == -EOVERFLOW) {
1713                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
1714                        driver, op, vec_name, cfg->name);
1715                 return err;
1716         }
1717         if (err) {
1718                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1719                        driver, op, vec_name, cfg->name);
1720                 return err;
1721         }
1722 
1723         return 0;
1724 }
1725 
1726 static int test_aead_vec(const char *driver, int enc,
1727                          const struct aead_testvec *vec, unsigned int vec_num,
1728                          struct aead_request *req,
1729                          struct cipher_test_sglists *tsgls)
1730 {
1731         char vec_name[16];
1732         unsigned int i;
1733         int err;
1734 
1735         if (enc && vec->novrfy)
1736                 return 0;
1737 
1738         sprintf(vec_name, "%u", vec_num);
1739 
1740         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
1741                 err = test_aead_vec_cfg(driver, enc, vec, vec_name,
1742                                         &default_cipher_testvec_configs[i],
1743                                         req, tsgls);
1744                 if (err)
1745                         return err;
1746         }
1747 
1748 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1749         if (!noextratests) {
1750                 struct testvec_config cfg;
1751                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1752 
1753                 for (i = 0; i < fuzz_iterations; i++) {
1754                         generate_random_testvec_config(&cfg, cfgname,
1755                                                        sizeof(cfgname));
1756                         err = test_aead_vec_cfg(driver, enc, vec, vec_name,
1757                                                 &cfg, req, tsgls);
1758                         if (err)
1759                                 return err;
1760                         cond_resched();
1761                 }
1762         }
1763 #endif
1764         return 0;
1765 }
1766 
1767 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1768 /*
1769  * Generate an AEAD test vector from the given implementation.
1770  * Assumes the buffers in 'vec' were already allocated.
1771  */
1772 static void generate_random_aead_testvec(struct aead_request *req,
1773                                          struct aead_testvec *vec,
1774                                          unsigned int maxkeysize,
1775                                          unsigned int maxdatasize,
1776                                          char *name, size_t max_namelen)
1777 {
1778         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1779         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1780         unsigned int maxauthsize = crypto_aead_alg(tfm)->maxauthsize;
1781         unsigned int authsize;
1782         unsigned int total_len;
1783         int i;
1784         struct scatterlist src[2], dst;
1785         u8 iv[MAX_IVLEN];
1786         DECLARE_CRYPTO_WAIT(wait);
1787 
1788         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
1789         vec->klen = maxkeysize;
1790         if (prandom_u32() % 4 == 0)
1791                 vec->klen = prandom_u32() % (maxkeysize + 1);
1792         generate_random_bytes((u8 *)vec->key, vec->klen);
1793         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
1794 
1795         /* IV */
1796         generate_random_bytes((u8 *)vec->iv, ivsize);
1797 
1798         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
1799         authsize = maxauthsize;
1800         if (prandom_u32() % 4 == 0)
1801                 authsize = prandom_u32() % (maxauthsize + 1);
1802         if (WARN_ON(authsize > maxdatasize))
1803                 authsize = maxdatasize;
1804         maxdatasize -= authsize;
1805         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
1806 
1807         /* Plaintext and associated data */
1808         total_len = generate_random_length(maxdatasize);
1809         if (prandom_u32() % 4 == 0)
1810                 vec->alen = 0;
1811         else
1812                 vec->alen = generate_random_length(total_len);
1813         vec->plen = total_len - vec->alen;
1814         generate_random_bytes((u8 *)vec->assoc, vec->alen);
1815         generate_random_bytes((u8 *)vec->ptext, vec->plen);
1816 
1817         vec->clen = vec->plen + authsize;
1818 
1819         /*
1820          * If the key or authentication tag size couldn't be set, no need to
1821          * continue to encrypt.
1822          */
1823         if (vec->setkey_error || vec->setauthsize_error)
1824                 goto done;
1825 
1826         /* Ciphertext */
1827         sg_init_table(src, 2);
1828         i = 0;
1829         if (vec->alen)
1830                 sg_set_buf(&src[i++], vec->assoc, vec->alen);
1831         if (vec->plen)
1832                 sg_set_buf(&src[i++], vec->ptext, vec->plen);
1833         sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
1834         memcpy(iv, vec->iv, ivsize);
1835         aead_request_set_callback(req, 0, crypto_req_done, &wait);
1836         aead_request_set_crypt(req, src, &dst, vec->plen, iv);
1837         aead_request_set_ad(req, vec->alen);
1838         vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req), &wait);
1839         if (vec->crypt_error == 0)
1840                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
1841 done:
1842         snprintf(name, max_namelen,
1843                  "\"random: alen=%u plen=%u authsize=%u klen=%u\"",
1844                  vec->alen, vec->plen, authsize, vec->klen);
1845 }
1846 
1847 /*
1848  * Test the AEAD algorithm represented by @req against the corresponding generic
1849  * implementation, if one is available.
1850  */
1851 static int test_aead_vs_generic_impl(const char *driver,
1852                                      const struct alg_test_desc *test_desc,
1853                                      struct aead_request *req,
1854                                      struct cipher_test_sglists *tsgls)
1855 {
1856         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1857         const unsigned int ivsize = crypto_aead_ivsize(tfm);
1858         const unsigned int maxauthsize = crypto_aead_alg(tfm)->maxauthsize;
1859         const unsigned int blocksize = crypto_aead_blocksize(tfm);
1860         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1861         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
1862         const char *generic_driver = test_desc->generic_driver;
1863         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1864         struct crypto_aead *generic_tfm = NULL;
1865         struct aead_request *generic_req = NULL;
1866         unsigned int maxkeysize;
1867         unsigned int i;
1868         struct aead_testvec vec = { 0 };
1869         char vec_name[64];
1870         struct testvec_config cfg;
1871         char cfgname[TESTVEC_CONFIG_NAMELEN];
1872         int err;
1873 
1874         if (noextratests)
1875                 return 0;
1876 
1877         if (!generic_driver) { /* Use default naming convention? */
1878                 err = build_generic_driver_name(algname, _generic_driver);
1879                 if (err)
1880                         return err;
1881                 generic_driver = _generic_driver;
1882         }
1883 
1884         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1885                 return 0;
1886 
1887         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
1888         if (IS_ERR(generic_tfm)) {
1889                 err = PTR_ERR(generic_tfm);
1890                 if (err == -ENOENT) {
1891                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
1892                                 driver, generic_driver);
1893                         return 0;
1894                 }
1895                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
1896                        generic_driver, algname, err);
1897                 return err;
1898         }
1899 
1900         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
1901         if (!generic_req) {
1902                 err = -ENOMEM;
1903                 goto out;
1904         }
1905 
1906         /* Check the algorithm properties for consistency. */
1907 
1908         if (maxauthsize != crypto_aead_alg(generic_tfm)->maxauthsize) {
1909                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
1910                        driver, maxauthsize,
1911                        crypto_aead_alg(generic_tfm)->maxauthsize);
1912                 err = -EINVAL;
1913                 goto out;
1914         }
1915 
1916         if (ivsize != crypto_aead_ivsize(generic_tfm)) {
1917                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
1918                        driver, ivsize, crypto_aead_ivsize(generic_tfm));
1919                 err = -EINVAL;
1920                 goto out;
1921         }
1922 
1923         if (blocksize != crypto_aead_blocksize(generic_tfm)) {
1924                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1925                        driver, blocksize, crypto_aead_blocksize(generic_tfm));
1926                 err = -EINVAL;
1927                 goto out;
1928         }
1929 
1930         /*
1931          * Now generate test vectors using the generic implementation, and test
1932          * the other implementation against them.
1933          */
1934 
1935         maxkeysize = 0;
1936         for (i = 0; i < test_desc->suite.aead.count; i++)
1937                 maxkeysize = max_t(unsigned int, maxkeysize,
1938                                    test_desc->suite.aead.vecs[i].klen);
1939 
1940         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1941         vec.iv = kmalloc(ivsize, GFP_KERNEL);
1942         vec.assoc = kmalloc(maxdatasize, GFP_KERNEL);
1943         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
1944         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
1945         if (!vec.key || !vec.iv || !vec.assoc || !vec.ptext || !vec.ctext) {
1946                 err = -ENOMEM;
1947                 goto out;
1948         }
1949 
1950         for (i = 0; i < fuzz_iterations * 8; i++) {
1951                 generate_random_aead_testvec(generic_req, &vec,
1952                                              maxkeysize, maxdatasize,
1953                                              vec_name, sizeof(vec_name));
1954                 generate_random_testvec_config(&cfg, cfgname, sizeof(cfgname));
1955 
1956                 err = test_aead_vec_cfg(driver, ENCRYPT, &vec, vec_name, &cfg,
1957                                         req, tsgls);
1958                 if (err)
1959                         goto out;
1960                 err = test_aead_vec_cfg(driver, DECRYPT, &vec, vec_name, &cfg,
1961                                         req, tsgls);
1962                 if (err)
1963                         goto out;
1964                 cond_resched();
1965         }
1966         err = 0;
1967 out:
1968         kfree(vec.key);
1969         kfree(vec.iv);
1970         kfree(vec.assoc);
1971         kfree(vec.ptext);
1972         kfree(vec.ctext);
1973         crypto_free_aead(generic_tfm);
1974         aead_request_free(generic_req);
1975         return err;
1976 }
1977 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1978 static int test_aead_vs_generic_impl(const char *driver,
1979                                      const struct alg_test_desc *test_desc,
1980                                      struct aead_request *req,
1981                                      struct cipher_test_sglists *tsgls)
1982 {
1983         return 0;
1984 }
1985 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1986 
1987 static int test_aead(const char *driver, int enc,
1988                      const struct aead_test_suite *suite,
1989                      struct aead_request *req,
1990                      struct cipher_test_sglists *tsgls)
1991 {
1992         unsigned int i;
1993         int err;
1994 
1995         for (i = 0; i < suite->count; i++) {
1996                 err = test_aead_vec(driver, enc, &suite->vecs[i], i, req,
1997                                     tsgls);
1998                 if (err)
1999                         return err;
2000                 cond_resched();
2001         }
2002         return 0;
2003 }
2004 
2005 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2006                          u32 type, u32 mask)
2007 {
2008         const struct aead_test_suite *suite = &desc->suite.aead;
2009         struct crypto_aead *tfm;
2010         struct aead_request *req = NULL;
2011         struct cipher_test_sglists *tsgls = NULL;
2012         int err;
2013 
2014         if (suite->count <= 0) {
2015                 pr_err("alg: aead: empty test suite for %s\n", driver);
2016                 return -EINVAL;
2017         }
2018 
2019         tfm = crypto_alloc_aead(driver, type, mask);
2020         if (IS_ERR(tfm)) {
2021                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2022                        driver, PTR_ERR(tfm));
2023                 return PTR_ERR(tfm);
2024         }
2025 
2026         req = aead_request_alloc(tfm, GFP_KERNEL);
2027         if (!req) {
2028                 pr_err("alg: aead: failed to allocate request for %s\n",
2029                        driver);
2030                 err = -ENOMEM;
2031                 goto out;
2032         }
2033 
2034         tsgls = alloc_cipher_test_sglists();
2035         if (!tsgls) {
2036                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2037                        driver);
2038                 err = -ENOMEM;
2039                 goto out;
2040         }
2041 
2042         err = test_aead(driver, ENCRYPT, suite, req, tsgls);
2043         if (err)
2044                 goto out;
2045 
2046         err = test_aead(driver, DECRYPT, suite, req, tsgls);
2047         if (err)
2048                 goto out;
2049 
2050         err = test_aead_vs_generic_impl(driver, desc, req, tsgls);
2051 out:
2052         free_cipher_test_sglists(tsgls);
2053         aead_request_free(req);
2054         crypto_free_aead(tfm);
2055         return err;
2056 }
2057 
2058 static int test_cipher(struct crypto_cipher *tfm, int enc,
2059                        const struct cipher_testvec *template,
2060                        unsigned int tcount)
2061 {
2062         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2063         unsigned int i, j, k;
2064         char *q;
2065         const char *e;
2066         const char *input, *result;
2067         void *data;
2068         char *xbuf[XBUFSIZE];
2069         int ret = -ENOMEM;
2070 
2071         if (testmgr_alloc_buf(xbuf))
2072                 goto out_nobuf;
2073 
2074         if (enc == ENCRYPT)
2075                 e = "encryption";
2076         else
2077                 e = "decryption";
2078 
2079         j = 0;
2080         for (i = 0; i < tcount; i++) {
2081 
2082                 if (fips_enabled && template[i].fips_skip)
2083                         continue;
2084 
2085                 input  = enc ? template[i].ptext : template[i].ctext;
2086                 result = enc ? template[i].ctext : template[i].ptext;
2087                 j++;
2088 
2089                 ret = -EINVAL;
2090                 if (WARN_ON(template[i].len > PAGE_SIZE))
2091                         goto out;
2092 
2093                 data = xbuf[0];
2094                 memcpy(data, input, template[i].len);
2095 
2096                 crypto_cipher_clear_flags(tfm, ~0);
2097                 if (template[i].wk)
2098                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2099 
2100                 ret = crypto_cipher_setkey(tfm, template[i].key,
2101                                            template[i].klen);
2102                 if (ret) {
2103                         if (ret == template[i].setkey_error)
2104                                 continue;
2105                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2106                                algo, j, template[i].setkey_error, ret,
2107                                crypto_cipher_get_flags(tfm));
2108                         goto out;
2109                 }
2110                 if (template[i].setkey_error) {
2111                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2112                                algo, j, template[i].setkey_error);
2113                         ret = -EINVAL;
2114                         goto out;
2115                 }
2116 
2117                 for (k = 0; k < template[i].len;
2118                      k += crypto_cipher_blocksize(tfm)) {
2119                         if (enc)
2120                                 crypto_cipher_encrypt_one(tfm, data + k,
2121                                                           data + k);
2122                         else
2123                                 crypto_cipher_decrypt_one(tfm, data + k,
2124                                                           data + k);
2125                 }
2126 
2127                 q = data;
2128                 if (memcmp(q, result, template[i].len)) {
2129                         printk(KERN_ERR "alg: cipher: Test %d failed "
2130                                "on %s for %s\n", j, e, algo);
2131                         hexdump(q, template[i].len);
2132                         ret = -EINVAL;
2133                         goto out;
2134                 }
2135         }
2136 
2137         ret = 0;
2138 
2139 out:
2140         testmgr_free_buf(xbuf);
2141 out_nobuf:
2142         return ret;
2143 }
2144 
2145 static int test_skcipher_vec_cfg(const char *driver, int enc,
2146                                  const struct cipher_testvec *vec,
2147                                  const char *vec_name,
2148                                  const struct testvec_config *cfg,
2149                                  struct skcipher_request *req,
2150                                  struct cipher_test_sglists *tsgls)
2151 {
2152         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2153         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2154         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2155         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2156         const char *op = enc ? "encryption" : "decryption";
2157         DECLARE_CRYPTO_WAIT(wait);
2158         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2159         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2160                  cfg->iv_offset +
2161                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2162         struct kvec input;
2163         int err;
2164 
2165         /* Set the key */
2166         if (vec->wk)
2167                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2168         else
2169                 crypto_skcipher_clear_flags(tfm,
2170                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2171         err = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2172         if (err) {
2173                 if (err == vec->setkey_error)
2174                         return 0;
2175                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2176                        driver, vec_name, vec->setkey_error, err,
2177                        crypto_skcipher_get_flags(tfm));
2178                 return err;
2179         }
2180         if (vec->setkey_error) {
2181                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2182                        driver, vec_name, vec->setkey_error);
2183                 return -EINVAL;
2184         }
2185 
2186         /* The IV must be copied to a buffer, as the algorithm may modify it */
2187         if (ivsize) {
2188                 if (WARN_ON(ivsize > MAX_IVLEN))
2189                         return -EINVAL;
2190                 if (vec->generates_iv && !enc)
2191                         memcpy(iv, vec->iv_out, ivsize);
2192                 else if (vec->iv)
2193                         memcpy(iv, vec->iv, ivsize);
2194                 else
2195                         memset(iv, 0, ivsize);
2196         } else {
2197                 if (vec->generates_iv) {
2198                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2199                                driver, vec_name);
2200                         return -EINVAL;
2201                 }
2202                 iv = NULL;
2203         }
2204 
2205         /* Build the src/dst scatterlists */
2206         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2207         input.iov_len = vec->len;
2208         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2209                                         vec->len, vec->len, &input, 1);
2210         if (err) {
2211                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2212                        driver, op, vec_name, cfg->name);
2213                 return err;
2214         }
2215 
2216         /* Do the actual encryption or decryption */
2217         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2218         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2219         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2220                                    vec->len, iv);
2221         if (cfg->nosimd)
2222                 crypto_disable_simd_for_test();
2223         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2224         if (cfg->nosimd)
2225                 crypto_reenable_simd_for_test();
2226         err = crypto_wait_req(err, &wait);
2227 
2228         /* Check that the algorithm didn't overwrite things it shouldn't have */
2229         if (req->cryptlen != vec->len ||
2230             req->iv != iv ||
2231             req->src != tsgls->src.sgl_ptr ||
2232             req->dst != tsgls->dst.sgl_ptr ||
2233             crypto_skcipher_reqtfm(req) != tfm ||
2234             req->base.complete != crypto_req_done ||
2235             req->base.flags != req_flags ||
2236             req->base.data != &wait) {
2237                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2238                        driver, op, vec_name, cfg->name);
2239                 if (req->cryptlen != vec->len)
2240                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2241                 if (req->iv != iv)
2242                         pr_err("alg: skcipher: changed 'req->iv'\n");
2243                 if (req->src != tsgls->src.sgl_ptr)
2244                         pr_err("alg: skcipher: changed 'req->src'\n");
2245                 if (req->dst != tsgls->dst.sgl_ptr)
2246                         pr_err("alg: skcipher: changed 'req->dst'\n");
2247                 if (crypto_skcipher_reqtfm(req) != tfm)
2248                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2249                 if (req->base.complete != crypto_req_done)
2250                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2251                 if (req->base.flags != req_flags)
2252                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2253                 if (req->base.data != &wait)
2254                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2255                 return -EINVAL;
2256         }
2257         if (is_test_sglist_corrupted(&tsgls->src)) {
2258                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2259                        driver, op, vec_name, cfg->name);
2260                 return -EINVAL;
2261         }
2262         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2263             is_test_sglist_corrupted(&tsgls->dst)) {
2264                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2265                        driver, op, vec_name, cfg->name);
2266                 return -EINVAL;
2267         }
2268 
2269         /* Check for success or failure */
2270         if (err) {
2271                 if (err == vec->crypt_error)
2272                         return 0;
2273                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2274                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2275                 return err;
2276         }
2277         if (vec->crypt_error) {
2278                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2279                        driver, op, vec_name, vec->crypt_error, cfg->name);
2280                 return -EINVAL;
2281         }
2282 
2283         /* Check for the correct output (ciphertext or plaintext) */
2284         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2285                                     vec->len, 0, true);
2286         if (err == -EOVERFLOW) {
2287                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2288                        driver, op, vec_name, cfg->name);
2289                 return err;
2290         }
2291         if (err) {
2292                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2293                        driver, op, vec_name, cfg->name);
2294                 return err;
2295         }
2296 
2297         /* If applicable, check that the algorithm generated the correct IV */
2298         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2299                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2300                        driver, op, vec_name, cfg->name);
2301                 hexdump(iv, ivsize);
2302                 return -EINVAL;
2303         }
2304 
2305         return 0;
2306 }
2307 
2308 static int test_skcipher_vec(const char *driver, int enc,
2309                              const struct cipher_testvec *vec,
2310                              unsigned int vec_num,
2311                              struct skcipher_request *req,
2312                              struct cipher_test_sglists *tsgls)
2313 {
2314         char vec_name[16];
2315         unsigned int i;
2316         int err;
2317 
2318         if (fips_enabled && vec->fips_skip)
2319                 return 0;
2320 
2321         sprintf(vec_name, "%u", vec_num);
2322 
2323         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2324                 err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2325                                             &default_cipher_testvec_configs[i],
2326                                             req, tsgls);
2327                 if (err)
2328                         return err;
2329         }
2330 
2331 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2332         if (!noextratests) {
2333                 struct testvec_config cfg;
2334                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2335 
2336                 for (i = 0; i < fuzz_iterations; i++) {
2337                         generate_random_testvec_config(&cfg, cfgname,
2338                                                        sizeof(cfgname));
2339                         err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2340                                                     &cfg, req, tsgls);
2341                         if (err)
2342                                 return err;
2343                         cond_resched();
2344                 }
2345         }
2346 #endif
2347         return 0;
2348 }
2349 
2350 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2351 /*
2352  * Generate a symmetric cipher test vector from the given implementation.
2353  * Assumes the buffers in 'vec' were already allocated.
2354  */
2355 static void generate_random_cipher_testvec(struct skcipher_request *req,
2356                                            struct cipher_testvec *vec,
2357                                            unsigned int maxdatasize,
2358                                            char *name, size_t max_namelen)
2359 {
2360         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2361         const unsigned int maxkeysize = tfm->keysize;
2362         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2363         struct scatterlist src, dst;
2364         u8 iv[MAX_IVLEN];
2365         DECLARE_CRYPTO_WAIT(wait);
2366 
2367         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2368         vec->klen = maxkeysize;
2369         if (prandom_u32() % 4 == 0)
2370                 vec->klen = prandom_u32() % (maxkeysize + 1);
2371         generate_random_bytes((u8 *)vec->key, vec->klen);
2372         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2373 
2374         /* IV */
2375         generate_random_bytes((u8 *)vec->iv, ivsize);
2376 
2377         /* Plaintext */
2378         vec->len = generate_random_length(maxdatasize);
2379         generate_random_bytes((u8 *)vec->ptext, vec->len);
2380 
2381         /* If the key couldn't be set, no need to continue to encrypt. */
2382         if (vec->setkey_error)
2383                 goto done;
2384 
2385         /* Ciphertext */
2386         sg_init_one(&src, vec->ptext, vec->len);
2387         sg_init_one(&dst, vec->ctext, vec->len);
2388         memcpy(iv, vec->iv, ivsize);
2389         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2390         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2391         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2392 done:
2393         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2394                  vec->len, vec->klen);
2395 }
2396 
2397 /*
2398  * Test the skcipher algorithm represented by @req against the corresponding
2399  * generic implementation, if one is available.
2400  */
2401 static int test_skcipher_vs_generic_impl(const char *driver,
2402                                          const char *generic_driver,
2403                                          struct skcipher_request *req,
2404                                          struct cipher_test_sglists *tsgls)
2405 {
2406         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2407         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2408         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2409         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2410         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2411         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2412         struct crypto_skcipher *generic_tfm = NULL;
2413         struct skcipher_request *generic_req = NULL;
2414         unsigned int i;
2415         struct cipher_testvec vec = { 0 };
2416         char vec_name[64];
2417         struct testvec_config cfg;
2418         char cfgname[TESTVEC_CONFIG_NAMELEN];
2419         int err;
2420 
2421         if (noextratests)
2422                 return 0;
2423 
2424         /* Keywrap isn't supported here yet as it handles its IV differently. */
2425         if (strncmp(algname, "kw(", 3) == 0)
2426                 return 0;
2427 
2428         if (!generic_driver) { /* Use default naming convention? */
2429                 err = build_generic_driver_name(algname, _generic_driver);
2430                 if (err)
2431                         return err;
2432                 generic_driver = _generic_driver;
2433         }
2434 
2435         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2436                 return 0;
2437 
2438         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
2439         if (IS_ERR(generic_tfm)) {
2440                 err = PTR_ERR(generic_tfm);
2441                 if (err == -ENOENT) {
2442                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
2443                                 driver, generic_driver);
2444                         return 0;
2445                 }
2446                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
2447                        generic_driver, algname, err);
2448                 return err;
2449         }
2450 
2451         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
2452         if (!generic_req) {
2453                 err = -ENOMEM;
2454                 goto out;
2455         }
2456 
2457         /* Check the algorithm properties for consistency. */
2458 
2459         if (tfm->keysize != generic_tfm->keysize) {
2460                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
2461                        driver, tfm->keysize, generic_tfm->keysize);
2462                 err = -EINVAL;
2463                 goto out;
2464         }
2465 
2466         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
2467                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2468                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
2469                 err = -EINVAL;
2470                 goto out;
2471         }
2472 
2473         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
2474                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2475                        driver, blocksize,
2476                        crypto_skcipher_blocksize(generic_tfm));
2477                 err = -EINVAL;
2478                 goto out;
2479         }
2480 
2481         /*
2482          * Now generate test vectors using the generic implementation, and test
2483          * the other implementation against them.
2484          */
2485 
2486         vec.key = kmalloc(tfm->keysize, GFP_KERNEL);
2487         vec.iv = kmalloc(ivsize, GFP_KERNEL);
2488         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
2489         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
2490         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
2491                 err = -ENOMEM;
2492                 goto out;
2493         }
2494 
2495         for (i = 0; i < fuzz_iterations * 8; i++) {
2496                 generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
2497                                                vec_name, sizeof(vec_name));
2498                 generate_random_testvec_config(&cfg, cfgname, sizeof(cfgname));
2499 
2500                 err = test_skcipher_vec_cfg(driver, ENCRYPT, &vec, vec_name,
2501                                             &cfg, req, tsgls);
2502                 if (err)
2503                         goto out;
2504                 err = test_skcipher_vec_cfg(driver, DECRYPT, &vec, vec_name,
2505                                             &cfg, req, tsgls);
2506                 if (err)
2507                         goto out;
2508                 cond_resched();
2509         }
2510         err = 0;
2511 out:
2512         kfree(vec.key);
2513         kfree(vec.iv);
2514         kfree(vec.ptext);
2515         kfree(vec.ctext);
2516         crypto_free_skcipher(generic_tfm);
2517         skcipher_request_free(generic_req);
2518         return err;
2519 }
2520 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2521 static int test_skcipher_vs_generic_impl(const char *driver,
2522                                          const char *generic_driver,
2523                                          struct skcipher_request *req,
2524                                          struct cipher_test_sglists *tsgls)
2525 {
2526         return 0;
2527 }
2528 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2529 
2530 static int test_skcipher(const char *driver, int enc,
2531                          const struct cipher_test_suite *suite,
2532                          struct skcipher_request *req,
2533                          struct cipher_test_sglists *tsgls)
2534 {
2535         unsigned int i;
2536         int err;
2537 
2538         for (i = 0; i < suite->count; i++) {
2539                 err = test_skcipher_vec(driver, enc, &suite->vecs[i], i, req,
2540                                         tsgls);
2541                 if (err)
2542                         return err;
2543                 cond_resched();
2544         }
2545         return 0;
2546 }
2547 
2548 static int alg_test_skcipher(const struct alg_test_desc *desc,
2549                              const char *driver, u32 type, u32 mask)
2550 {
2551         const struct cipher_test_suite *suite = &desc->suite.cipher;
2552         struct crypto_skcipher *tfm;
2553         struct skcipher_request *req = NULL;
2554         struct cipher_test_sglists *tsgls = NULL;
2555         int err;
2556 
2557         if (suite->count <= 0) {
2558                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
2559                 return -EINVAL;
2560         }
2561 
2562         tfm = crypto_alloc_skcipher(driver, type, mask);
2563         if (IS_ERR(tfm)) {
2564                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
2565                        driver, PTR_ERR(tfm));
2566                 return PTR_ERR(tfm);
2567         }
2568 
2569         req = skcipher_request_alloc(tfm, GFP_KERNEL);
2570         if (!req) {
2571                 pr_err("alg: skcipher: failed to allocate request for %s\n",
2572                        driver);
2573                 err = -ENOMEM;
2574                 goto out;
2575         }
2576 
2577         tsgls = alloc_cipher_test_sglists();
2578         if (!tsgls) {
2579                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
2580                        driver);
2581                 err = -ENOMEM;
2582                 goto out;
2583         }
2584 
2585         err = test_skcipher(driver, ENCRYPT, suite, req, tsgls);
2586         if (err)
2587                 goto out;
2588 
2589         err = test_skcipher(driver, DECRYPT, suite, req, tsgls);
2590         if (err)
2591                 goto out;
2592 
2593         err = test_skcipher_vs_generic_impl(driver, desc->generic_driver, req,
2594                                             tsgls);
2595 out:
2596         free_cipher_test_sglists(tsgls);
2597         skcipher_request_free(req);
2598         crypto_free_skcipher(tfm);
2599         return err;
2600 }
2601 
2602 static int test_comp(struct crypto_comp *tfm,
2603                      const struct comp_testvec *ctemplate,
2604                      const struct comp_testvec *dtemplate,
2605                      int ctcount, int dtcount)
2606 {
2607         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
2608         char *output, *decomp_output;
2609         unsigned int i;
2610         int ret;
2611 
2612         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
2613         if (!output)
2614                 return -ENOMEM;
2615 
2616         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
2617         if (!decomp_output) {
2618                 kfree(output);
2619                 return -ENOMEM;
2620         }
2621 
2622         for (i = 0; i < ctcount; i++) {
2623                 int ilen;
2624                 unsigned int dlen = COMP_BUF_SIZE;
2625 
2626                 memset(output, 0, COMP_BUF_SIZE);
2627                 memset(decomp_output, 0, COMP_BUF_SIZE);
2628 
2629                 ilen = ctemplate[i].inlen;
2630                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
2631                                            ilen, output, &dlen);
2632                 if (ret) {
2633                         printk(KERN_ERR "alg: comp: compression failed "
2634                                "on test %d for %s: ret=%d\n", i + 1, algo,
2635                                -ret);
2636                         goto out;
2637                 }
2638 
2639                 ilen = dlen;
2640                 dlen = COMP_BUF_SIZE;
2641                 ret = crypto_comp_decompress(tfm, output,
2642                                              ilen, decomp_output, &dlen);
2643                 if (ret) {
2644                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
2645                                i + 1, algo, -ret);
2646                         goto out;
2647                 }
2648 
2649                 if (dlen != ctemplate[i].inlen) {
2650                         printk(KERN_ERR "alg: comp: Compression test %d "
2651                                "failed for %s: output len = %d\n", i + 1, algo,
2652                                dlen);
2653                         ret = -EINVAL;
2654                         goto out;
2655                 }
2656 
2657                 if (memcmp(decomp_output, ctemplate[i].input,
2658                            ctemplate[i].inlen)) {
2659                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
2660                                i + 1, algo);
2661                         hexdump(decomp_output, dlen);
2662                         ret = -EINVAL;
2663                         goto out;
2664                 }
2665         }
2666 
2667         for (i = 0; i < dtcount; i++) {
2668                 int ilen;
2669                 unsigned int dlen = COMP_BUF_SIZE;
2670 
2671                 memset(decomp_output, 0, COMP_BUF_SIZE);
2672 
2673                 ilen = dtemplate[i].inlen;
2674                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
2675                                              ilen, decomp_output, &dlen);
2676                 if (ret) {
2677                         printk(KERN_ERR "alg: comp: decompression failed "
2678                                "on test %d for %s: ret=%d\n", i + 1, algo,
2679                                -ret);
2680                         goto out;
2681                 }
2682 
2683                 if (dlen != dtemplate[i].outlen) {
2684                         printk(KERN_ERR "alg: comp: Decompression test %d "
2685                                "failed for %s: output len = %d\n", i + 1, algo,
2686                                dlen);
2687                         ret = -EINVAL;
2688                         goto out;
2689                 }
2690 
2691                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
2692                         printk(KERN_ERR "alg: comp: Decompression test %d "
2693                                "failed for %s\n", i + 1, algo);
2694                         hexdump(decomp_output, dlen);
2695                         ret = -EINVAL;
2696                         goto out;
2697                 }
2698         }
2699 
2700         ret = 0;
2701 
2702 out:
2703         kfree(decomp_output);
2704         kfree(output);
2705         return ret;
2706 }
2707 
2708 static int test_acomp(struct crypto_acomp *tfm,
2709                               const struct comp_testvec *ctemplate,
2710                       const struct comp_testvec *dtemplate,
2711                       int ctcount, int dtcount)
2712 {
2713         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
2714         unsigned int i;
2715         char *output, *decomp_out;
2716         int ret;
2717         struct scatterlist src, dst;
2718         struct acomp_req *req;
2719         struct crypto_wait wait;
2720 
2721         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
2722         if (!output)
2723                 return -ENOMEM;
2724 
2725         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
2726         if (!decomp_out) {
2727                 kfree(output);
2728                 return -ENOMEM;
2729         }
2730 
2731         for (i = 0; i < ctcount; i++) {
2732                 unsigned int dlen = COMP_BUF_SIZE;
2733                 int ilen = ctemplate[i].inlen;
2734                 void *input_vec;
2735 
2736                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
2737                 if (!input_vec) {
2738                         ret = -ENOMEM;
2739                         goto out;
2740                 }
2741 
2742                 memset(output, 0, dlen);
2743                 crypto_init_wait(&wait);
2744                 sg_init_one(&src, input_vec, ilen);
2745                 sg_init_one(&dst, output, dlen);
2746 
2747                 req = acomp_request_alloc(tfm);
2748                 if (!req) {
2749                         pr_err("alg: acomp: request alloc failed for %s\n",
2750                                algo);
2751                         kfree(input_vec);
2752                         ret = -ENOMEM;
2753                         goto out;
2754                 }
2755 
2756                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
2757                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
2758                                            crypto_req_done, &wait);
2759 
2760                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
2761                 if (ret) {
2762                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
2763                                i + 1, algo, -ret);
2764                         kfree(input_vec);
2765                         acomp_request_free(req);
2766                         goto out;
2767                 }
2768 
2769                 ilen = req->dlen;
2770                 dlen = COMP_BUF_SIZE;
2771                 sg_init_one(&src, output, ilen);
2772                 sg_init_one(&dst, decomp_out, dlen);
2773                 crypto_init_wait(&wait);
2774                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
2775 
2776                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
2777                 if (ret) {
2778                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
2779                                i + 1, algo, -ret);
2780                         kfree(input_vec);
2781                         acomp_request_free(req);
2782                         goto out;
2783                 }
2784 
2785                 if (req->dlen != ctemplate[i].inlen) {
2786                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
2787                                i + 1, algo, req->dlen);
2788                         ret = -EINVAL;
2789                         kfree(input_vec);
2790                         acomp_request_free(req);
2791                         goto out;
2792                 }
2793 
2794                 if (memcmp(input_vec, decomp_out, req->dlen)) {
2795                         pr_err("alg: acomp: Compression test %d failed for %s\n",
2796                                i + 1, algo);
2797                         hexdump(output, req->dlen);
2798                         ret = -EINVAL;
2799                         kfree(input_vec);
2800                         acomp_request_free(req);
2801                         goto out;
2802                 }
2803 
2804                 kfree(input_vec);
2805                 acomp_request_free(req);
2806         }
2807 
2808         for (i = 0; i < dtcount; i++) {
2809                 unsigned int dlen = COMP_BUF_SIZE;
2810                 int ilen = dtemplate[i].inlen;
2811                 void *input_vec;
2812 
2813                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
2814                 if (!input_vec) {
2815                         ret = -ENOMEM;
2816                         goto out;
2817                 }
2818 
2819                 memset(output, 0, dlen);
2820                 crypto_init_wait(&wait);
2821                 sg_init_one(&src, input_vec, ilen);
2822                 sg_init_one(&dst, output, dlen);
2823 
2824                 req = acomp_request_alloc(tfm);
2825                 if (!req) {
2826                         pr_err("alg: acomp: request alloc failed for %s\n",
2827                                algo);
2828                         kfree(input_vec);
2829                         ret = -ENOMEM;
2830                         goto out;
2831                 }
2832 
2833                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
2834                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
2835                                            crypto_req_done, &wait);
2836 
2837                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
2838                 if (ret) {
2839                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
2840                                i + 1, algo, -ret);
2841                         kfree(input_vec);
2842                         acomp_request_free(req);
2843                         goto out;
2844                 }
2845 
2846                 if (req->dlen != dtemplate[i].outlen) {
2847                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
2848                                i + 1, algo, req->dlen);
2849                         ret = -EINVAL;
2850                         kfree(input_vec);
2851                         acomp_request_free(req);
2852                         goto out;
2853                 }
2854 
2855                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
2856                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
2857                                i + 1, algo);
2858                         hexdump(output, req->dlen);
2859                         ret = -EINVAL;
2860                         kfree(input_vec);
2861                         acomp_request_free(req);
2862                         goto out;
2863                 }
2864 
2865                 kfree(input_vec);
2866                 acomp_request_free(req);
2867         }
2868 
2869         ret = 0;
2870 
2871 out:
2872         kfree(decomp_out);
2873         kfree(output);
2874         return ret;
2875 }
2876 
2877 static int test_cprng(struct crypto_rng *tfm,
2878                       const struct cprng_testvec *template,
2879                       unsigned int tcount)
2880 {
2881         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
2882         int err = 0, i, j, seedsize;
2883         u8 *seed;
2884         char result[32];
2885 
2886         seedsize = crypto_rng_seedsize(tfm);
2887 
2888         seed = kmalloc(seedsize, GFP_KERNEL);
2889         if (!seed) {
2890                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
2891                        "for %s\n", algo);
2892                 return -ENOMEM;
2893         }
2894 
2895         for (i = 0; i < tcount; i++) {
2896                 memset(result, 0, 32);
2897 
2898                 memcpy(seed, template[i].v, template[i].vlen);
2899                 memcpy(seed + template[i].vlen, template[i].key,
2900                        template[i].klen);
2901                 memcpy(seed + template[i].vlen + template[i].klen,
2902                        template[i].dt, template[i].dtlen);
2903 
2904                 err = crypto_rng_reset(tfm, seed, seedsize);
2905                 if (err) {
2906                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
2907                                "for %s\n", algo);
2908                         goto out;
2909                 }
2910 
2911                 for (j = 0; j < template[i].loops; j++) {
2912                         err = crypto_rng_get_bytes(tfm, result,
2913                                                    template[i].rlen);
2914                         if (err < 0) {
2915                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
2916                                        "the correct amount of random data for "
2917                                        "%s (requested %d)\n", algo,
2918                                        template[i].rlen);
2919                                 goto out;
2920                         }
2921                 }
2922 
2923                 err = memcmp(result, template[i].result,
2924                              template[i].rlen);
2925                 if (err) {
2926                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
2927                                i, algo);
2928                         hexdump(result, template[i].rlen);
2929                         err = -EINVAL;
2930                         goto out;
2931                 }
2932         }
2933 
2934 out:
2935         kfree(seed);
2936         return err;
2937 }
2938 
2939 static int alg_test_cipher(const struct alg_test_desc *desc,
2940                            const char *driver, u32 type, u32 mask)
2941 {
2942         const struct cipher_test_suite *suite = &desc->suite.cipher;
2943         struct crypto_cipher *tfm;
2944         int err;
2945 
2946         tfm = crypto_alloc_cipher(driver, type, mask);
2947         if (IS_ERR(tfm)) {
2948                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
2949                        "%s: %ld\n", driver, PTR_ERR(tfm));
2950                 return PTR_ERR(tfm);
2951         }
2952 
2953         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
2954         if (!err)
2955                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
2956 
2957         crypto_free_cipher(tfm);
2958         return err;
2959 }
2960 
2961 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
2962                          u32 type, u32 mask)
2963 {
2964         struct crypto_comp *comp;
2965         struct crypto_acomp *acomp;
2966         int err;
2967         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
2968 
2969         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
2970                 acomp = crypto_alloc_acomp(driver, type, mask);
2971                 if (IS_ERR(acomp)) {
2972                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
2973                                driver, PTR_ERR(acomp));
2974                         return PTR_ERR(acomp);
2975                 }
2976                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
2977                                  desc->suite.comp.decomp.vecs,
2978                                  desc->suite.comp.comp.count,
2979                                  desc->suite.comp.decomp.count);
2980                 crypto_free_acomp(acomp);
2981         } else {
2982                 comp = crypto_alloc_comp(driver, type, mask);
2983                 if (IS_ERR(comp)) {
2984                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
2985                                driver, PTR_ERR(comp));
2986                         return PTR_ERR(comp);
2987                 }
2988 
2989                 err = test_comp(comp, desc->suite.comp.comp.vecs,
2990                                 desc->suite.comp.decomp.vecs,
2991                                 desc->suite.comp.comp.count,
2992                                 desc->suite.comp.decomp.count);
2993 
2994                 crypto_free_comp(comp);
2995         }
2996         return err;
2997 }
2998 
2999 static int alg_test_crc32c(const struct alg_test_desc *desc,
3000                            const char *driver, u32 type, u32 mask)
3001 {
3002         struct crypto_shash *tfm;
3003         __le32 val;
3004         int err;
3005 
3006         err = alg_test_hash(desc, driver, type, mask);
3007         if (err)
3008                 return err;
3009 
3010         tfm = crypto_alloc_shash(driver, type, mask);
3011         if (IS_ERR(tfm)) {
3012                 if (PTR_ERR(tfm) == -ENOENT) {
3013                         /*
3014                          * This crc32c implementation is only available through
3015                          * ahash API, not the shash API, so the remaining part
3016                          * of the test is not applicable to it.
3017                          */
3018                         return 0;
3019                 }
3020                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3021                        "%ld\n", driver, PTR_ERR(tfm));
3022                 return PTR_ERR(tfm);
3023         }
3024 
3025         do {
3026                 SHASH_DESC_ON_STACK(shash, tfm);
3027                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3028 
3029                 shash->tfm = tfm;
3030 
3031                 *ctx = 420553207;
3032                 err = crypto_shash_final(shash, (u8 *)&val);
3033                 if (err) {
3034                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3035                                "%s: %d\n", driver, err);
3036                         break;
3037                 }
3038 
3039                 if (val != cpu_to_le32(~420553207)) {
3040                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3041                                driver, le32_to_cpu(val));
3042                         err = -EINVAL;
3043                 }
3044         } while (0);
3045 
3046         crypto_free_shash(tfm);
3047 
3048         return err;
3049 }
3050 
3051 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3052                           u32 type, u32 mask)
3053 {
3054         struct crypto_rng *rng;
3055         int err;
3056 
3057         rng = crypto_alloc_rng(driver, type, mask);
3058         if (IS_ERR(rng)) {
3059                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3060                        "%ld\n", driver, PTR_ERR(rng));
3061                 return PTR_ERR(rng);
3062         }
3063 
3064         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3065 
3066         crypto_free_rng(rng);
3067 
3068         return err;
3069 }
3070 
3071 
3072 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3073                           const char *driver, u32 type, u32 mask)
3074 {
3075         int ret = -EAGAIN;
3076         struct crypto_rng *drng;
3077         struct drbg_test_data test_data;
3078         struct drbg_string addtl, pers, testentropy;
3079         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3080 
3081         if (!buf)
3082                 return -ENOMEM;
3083 
3084         drng = crypto_alloc_rng(driver, type, mask);
3085         if (IS_ERR(drng)) {
3086                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3087                        "%s\n", driver);
3088                 kzfree(buf);
3089                 return -ENOMEM;
3090         }
3091 
3092         test_data.testentropy = &testentropy;
3093         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3094         drbg_string_fill(&pers, test->pers, test->perslen);
3095         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3096         if (ret) {
3097                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3098                 goto outbuf;
3099         }
3100 
3101         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3102         if (pr) {
3103                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3104                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3105                         buf, test->expectedlen, &addtl, &test_data);
3106         } else {
3107                 ret = crypto_drbg_get_bytes_addtl(drng,
3108                         buf, test->expectedlen, &addtl);
3109         }
3110         if (ret < 0) {
3111                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3112                        "driver %s\n", driver);
3113                 goto outbuf;
3114         }
3115 
3116         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3117         if (pr) {
3118                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3119                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3120                         buf, test->expectedlen, &addtl, &test_data);
3121         } else {
3122                 ret = crypto_drbg_get_bytes_addtl(drng,
3123                         buf, test->expectedlen, &addtl);
3124         }
3125         if (ret < 0) {
3126                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3127                        "driver %s\n", driver);
3128                 goto outbuf;
3129         }
3130 
3131         ret = memcmp(test->expected, buf, test->expectedlen);
3132 
3133 outbuf:
3134         crypto_free_rng(drng);
3135         kzfree(buf);
3136         return ret;
3137 }
3138 
3139 
3140 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3141                          u32 type, u32 mask)
3142 {
3143         int err = 0;
3144         int pr = 0;
3145         int i = 0;
3146         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3147         unsigned int tcount = desc->suite.drbg.count;
3148 
3149         if (0 == memcmp(driver, "drbg_pr_", 8))
3150                 pr = 1;
3151 
3152         for (i = 0; i < tcount; i++) {
3153                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3154                 if (err) {
3155                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3156                                i, driver);
3157                         err = -EINVAL;
3158                         break;
3159                 }
3160         }
3161         return err;
3162 
3163 }
3164 
3165 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3166                        const char *alg)
3167 {
3168         struct kpp_request *req;
3169         void *input_buf = NULL;
3170         void *output_buf = NULL;
3171         void *a_public = NULL;
3172         void *a_ss = NULL;
3173         void *shared_secret = NULL;
3174         struct crypto_wait wait;
3175         unsigned int out_len_max;
3176         int err = -ENOMEM;
3177         struct scatterlist src, dst;
3178 
3179         req = kpp_request_alloc(tfm, GFP_KERNEL);
3180         if (!req)
3181                 return err;
3182 
3183         crypto_init_wait(&wait);
3184 
3185         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3186         if (err < 0)
3187                 goto free_req;
3188 
3189         out_len_max = crypto_kpp_maxsize(tfm);
3190         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3191         if (!output_buf) {
3192                 err = -ENOMEM;
3193                 goto free_req;
3194         }
3195 
3196         /* Use appropriate parameter as base */
3197         kpp_request_set_input(req, NULL, 0);
3198         sg_init_one(&dst, output_buf, out_len_max);
3199         kpp_request_set_output(req, &dst, out_len_max);
3200         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3201                                  crypto_req_done, &wait);
3202 
3203         /* Compute party A's public key */
3204         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3205         if (err) {
3206                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3207                        alg, err);
3208                 goto free_output;
3209         }
3210 
3211         if (vec->genkey) {
3212                 /* Save party A's public key */
3213                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3214                 if (!a_public) {
3215                         err = -ENOMEM;
3216                         goto free_output;
3217                 }
3218         } else {
3219                 /* Verify calculated public key */
3220                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3221                            vec->expected_a_public_size)) {
3222                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3223                                alg);
3224                         err = -EINVAL;
3225                         goto free_output;
3226                 }
3227         }
3228 
3229         /* Calculate shared secret key by using counter part (b) public key. */
3230         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3231         if (!input_buf) {
3232                 err = -ENOMEM;
3233                 goto free_output;
3234         }
3235 
3236         sg_init_one(&src, input_buf, vec->b_public_size);
3237         sg_init_one(&dst, output_buf, out_len_max);
3238         kpp_request_set_input(req, &src, vec->b_public_size);
3239         kpp_request_set_output(req, &dst, out_len_max);
3240         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3241                                  crypto_req_done, &wait);
3242         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3243         if (err) {
3244                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3245                        alg, err);
3246                 goto free_all;
3247         }
3248 
3249         if (vec->genkey) {
3250                 /* Save the shared secret obtained by party A */
3251                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3252                 if (!a_ss) {
3253                         err = -ENOMEM;
3254                         goto free_all;
3255                 }
3256 
3257                 /*
3258                  * Calculate party B's shared secret by using party A's
3259                  * public key.
3260                  */
3261                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3262                                             vec->b_secret_size);
3263                 if (err < 0)
3264                         goto free_all;
3265 
3266                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3267                 sg_init_one(&dst, output_buf, out_len_max);
3268                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3269                 kpp_request_set_output(req, &dst, out_len_max);
3270                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3271                                          crypto_req_done, &wait);
3272                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3273                                       &wait);
3274                 if (err) {
3275                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3276                                alg, err);
3277                         goto free_all;
3278                 }
3279 
3280                 shared_secret = a_ss;
3281         } else {
3282                 shared_secret = (void *)vec->expected_ss;
3283         }
3284 
3285         /*
3286          * verify shared secret from which the user will derive
3287          * secret key by executing whatever hash it has chosen
3288          */
3289         if (memcmp(shared_secret, sg_virt(req->dst),
3290                    vec->expected_ss_size)) {
3291                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3292                        alg);
3293                 err = -EINVAL;
3294         }
3295 
3296 free_all:
3297         kfree(a_ss);
3298         kfree(input_buf);
3299 free_output:
3300         kfree(a_public);
3301         kfree(output_buf);
3302 free_req:
3303         kpp_request_free(req);
3304         return err;
3305 }
3306 
3307 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3308                     const struct kpp_testvec *vecs, unsigned int tcount)
3309 {
3310         int ret, i;
3311 
3312         for (i = 0; i < tcount; i++) {
3313                 ret = do_test_kpp(tfm, vecs++, alg);
3314                 if (ret) {
3315                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
3316                                alg, i + 1, ret);
3317                         return ret;
3318                 }
3319         }
3320         return 0;
3321 }
3322 
3323 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3324                         u32 type, u32 mask)
3325 {
3326         struct crypto_kpp *tfm;
3327         int err = 0;
3328 
3329         tfm = crypto_alloc_kpp(driver, type, mask);
3330         if (IS_ERR(tfm)) {
3331                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3332                        driver, PTR_ERR(tfm));
3333                 return PTR_ERR(tfm);
3334         }
3335         if (desc->suite.kpp.vecs)
3336                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3337                                desc->suite.kpp.count);
3338 
3339         crypto_free_kpp(tfm);
3340         return err;
3341 }
3342 
3343 static u8 *test_pack_u32(u8 *dst, u32 val)
3344 {
3345         memcpy(dst, &val, sizeof(val));
3346         return dst + sizeof(val);
3347 }
3348 
3349 static int test_akcipher_one(struct crypto_akcipher *tfm,
3350                              const struct akcipher_testvec *vecs)
3351 {
3352         char *xbuf[XBUFSIZE];
3353         struct akcipher_request *req;
3354         void *outbuf_enc = NULL;
3355         void *outbuf_dec = NULL;
3356         struct crypto_wait wait;
3357         unsigned int out_len_max, out_len = 0;
3358         int err = -ENOMEM;
3359         struct scatterlist src, dst, src_tab[3];
3360         const char *m, *c;
3361         unsigned int m_size, c_size;
3362         const char *op;
3363         u8 *key, *ptr;
3364 
3365         if (testmgr_alloc_buf(xbuf))
3366                 return err;
3367 
3368         req = akcipher_request_alloc(tfm, GFP_KERNEL);
3369         if (!req)
3370                 goto free_xbuf;
3371 
3372         crypto_init_wait(&wait);
3373 
3374         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3375                       GFP_KERNEL);
3376         if (!key)
3377                 goto free_xbuf;
3378         memcpy(key, vecs->key, vecs->key_len);
3379         ptr = key + vecs->key_len;
3380         ptr = test_pack_u32(ptr, vecs->algo);
3381         ptr = test_pack_u32(ptr, vecs->param_len);
3382         memcpy(ptr, vecs->params, vecs->param_len);
3383 
3384         if (vecs->public_key_vec)
3385                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3386         else
3387                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3388         if (err)
3389                 goto free_req;
3390 
3391         /*
3392          * First run test which do not require a private key, such as
3393          * encrypt or verify.
3394          */
3395         err = -ENOMEM;
3396         out_len_max = crypto_akcipher_maxsize(tfm);
3397         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3398         if (!outbuf_enc)
3399                 goto free_req;
3400 
3401         if (!vecs->siggen_sigver_test) {
3402                 m = vecs->m;
3403                 m_size = vecs->m_size;
3404                 c = vecs->c;
3405                 c_size = vecs->c_size;
3406                 op = "encrypt";
3407         } else {
3408                 /* Swap args so we could keep plaintext (digest)
3409                  * in vecs->m, and cooked signature in vecs->c.
3410                  */
3411                 m = vecs->c; /* signature */
3412                 m_size = vecs->c_size;
3413                 c = vecs->m; /* digest */
3414                 c_size = vecs->m_size;
3415                 op = "verify";
3416         }
3417 
3418         if (WARN_ON(m_size > PAGE_SIZE))
3419                 goto free_all;
3420         memcpy(xbuf[0], m, m_size);
3421 
3422         sg_init_table(src_tab, 3);
3423         sg_set_buf(&src_tab[0], xbuf[0], 8);
3424         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
3425         if (vecs->siggen_sigver_test) {
3426                 if (WARN_ON(c_size > PAGE_SIZE))
3427                         goto free_all;
3428                 memcpy(xbuf[1], c, c_size);
3429                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
3430                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
3431         } else {
3432                 sg_init_one(&dst, outbuf_enc, out_len_max);
3433                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
3434                                            out_len_max);
3435         }
3436         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3437                                       crypto_req_done, &wait);
3438 
3439         err = crypto_wait_req(vecs->siggen_sigver_test ?
3440                               /* Run asymmetric signature verification */
3441                               crypto_akcipher_verify(req) :
3442                               /* Run asymmetric encrypt */
3443                               crypto_akcipher_encrypt(req), &wait);
3444         if (err) {
3445                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
3446                 goto free_all;
3447         }
3448         if (!vecs->siggen_sigver_test) {
3449                 if (req->dst_len != c_size) {
3450                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
3451                                op);
3452                         err = -EINVAL;
3453                         goto free_all;
3454                 }
3455                 /* verify that encrypted message is equal to expected */
3456                 if (memcmp(c, outbuf_enc, c_size) != 0) {
3457                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
3458                                op);
3459                         hexdump(outbuf_enc, c_size);
3460                         err = -EINVAL;
3461                         goto free_all;
3462                 }
3463         }
3464 
3465         /*
3466          * Don't invoke (decrypt or sign) test which require a private key
3467          * for vectors with only a public key.
3468          */
3469         if (vecs->public_key_vec) {
3470                 err = 0;
3471                 goto free_all;
3472         }
3473         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
3474         if (!outbuf_dec) {
3475                 err = -ENOMEM;
3476                 goto free_all;
3477         }
3478 
3479         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
3480         if (WARN_ON(c_size > PAGE_SIZE))
3481                 goto free_all;
3482         memcpy(xbuf[0], c, c_size);
3483 
3484         sg_init_one(&src, xbuf[0], c_size);
3485         sg_init_one(&dst, outbuf_dec, out_len_max);
3486         crypto_init_wait(&wait);
3487         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
3488 
3489         err = crypto_wait_req(vecs->siggen_sigver_test ?
3490                               /* Run asymmetric signature generation */
3491                               crypto_akcipher_sign(req) :
3492                               /* Run asymmetric decrypt */
3493                               crypto_akcipher_decrypt(req), &wait);
3494         if (err) {
3495                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
3496                 goto free_all;
3497         }
3498         out_len = req->dst_len;
3499         if (out_len < m_size) {
3500                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
3501                        op, out_len);
3502                 err = -EINVAL;
3503                 goto free_all;
3504         }
3505         /* verify that decrypted message is equal to the original msg */
3506         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
3507             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
3508                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
3509                 hexdump(outbuf_dec, out_len);
3510                 err = -EINVAL;
3511         }
3512 free_all:
3513         kfree(outbuf_dec);
3514         kfree(outbuf_enc);
3515 free_req:
3516         akcipher_request_free(req);
3517         kfree(key);
3518 free_xbuf:
3519         testmgr_free_buf(xbuf);
3520         return err;
3521 }
3522 
3523 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
3524                          const struct akcipher_testvec *vecs,
3525                          unsigned int tcount)
3526 {
3527         const char *algo =
3528                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
3529         int ret, i;
3530 
3531         for (i = 0; i < tcount; i++) {
3532                 ret = test_akcipher_one(tfm, vecs++);
3533                 if (!ret)
3534                         continue;
3535 
3536                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
3537                        i + 1, algo, ret);
3538                 return ret;
3539         }
3540         return 0;
3541 }
3542 
3543 static int alg_test_akcipher(const struct alg_test_desc *desc,
3544                              const char *driver, u32 type, u32 mask)
3545 {
3546         struct crypto_akcipher *tfm;
3547         int err = 0;
3548 
3549         tfm = crypto_alloc_akcipher(driver, type, mask);
3550         if (IS_ERR(tfm)) {
3551                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
3552                        driver, PTR_ERR(tfm));
3553                 return PTR_ERR(tfm);
3554         }
3555         if (desc->suite.akcipher.vecs)
3556                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
3557                                     desc->suite.akcipher.count);
3558 
3559         crypto_free_akcipher(tfm);
3560         return err;
3561 }
3562 
3563 static int alg_test_null(const struct alg_test_desc *desc,
3564                              const char *driver, u32 type, u32 mask)
3565 {
3566         return 0;
3567 }
3568 
3569 #define __VECS(tv)      { .vecs = tv, .count = ARRAY_SIZE(tv) }
3570 
3571 /* Please keep this list sorted by algorithm name. */
3572 static const struct alg_test_desc alg_test_descs[] = {
3573         {
3574                 .alg = "adiantum(xchacha12,aes)",
3575                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
3576                 .test = alg_test_skcipher,
3577                 .suite = {
3578                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
3579                 },
3580         }, {
3581                 .alg = "adiantum(xchacha20,aes)",
3582                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
3583                 .test = alg_test_skcipher,
3584                 .suite = {
3585                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
3586                 },
3587         }, {
3588                 .alg = "aegis128",
3589                 .test = alg_test_aead,
3590                 .suite = {
3591                         .aead = __VECS(aegis128_tv_template)
3592                 }
3593         }, {
3594                 .alg = "aegis128l",
3595                 .test = alg_test_aead,
3596                 .suite = {
3597                         .aead = __VECS(aegis128l_tv_template)
3598                 }
3599         }, {
3600                 .alg = "aegis256",
3601                 .test = alg_test_aead,
3602                 .suite = {
3603                         .aead = __VECS(aegis256_tv_template)
3604                 }
3605         }, {
3606                 .alg = "ansi_cprng",
3607                 .test = alg_test_cprng,
3608                 .suite = {
3609                         .cprng = __VECS(ansi_cprng_aes_tv_template)
3610                 }
3611         }, {
3612                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
3613                 .test = alg_test_aead,
3614                 .suite = {
3615                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
3616                 }
3617         }, {
3618                 .alg = "authenc(hmac(sha1),cbc(aes))",
3619                 .test = alg_test_aead,
3620                 .fips_allowed = 1,
3621                 .suite = {
3622                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
3623                 }
3624         }, {
3625                 .alg = "authenc(hmac(sha1),cbc(des))",
3626                 .test = alg_test_aead,
3627                 .suite = {
3628                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
3629                 }
3630         }, {
3631                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
3632                 .test = alg_test_aead,
3633                 .fips_allowed = 1,
3634                 .suite = {
3635                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
3636                 }
3637         }, {
3638                 .alg = "authenc(hmac(sha1),ctr(aes))",
3639                 .test = alg_test_null,
3640                 .fips_allowed = 1,
3641         }, {
3642                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
3643                 .test = alg_test_aead,
3644                 .suite = {
3645                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
3646                 }
3647         }, {
3648                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
3649                 .test = alg_test_null,
3650                 .fips_allowed = 1,
3651         }, {
3652                 .alg = "authenc(hmac(sha224),cbc(des))",
3653                 .test = alg_test_aead,
3654                 .suite = {
3655                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
3656                 }
3657         }, {
3658                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
3659                 .test = alg_test_aead,
3660                 .fips_allowed = 1,
3661                 .suite = {
3662                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
3663                 }
3664         }, {
3665                 .alg = "authenc(hmac(sha256),cbc(aes))",
3666                 .test = alg_test_aead,
3667                 .fips_allowed = 1,
3668                 .suite = {
3669                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
3670                 }
3671         }, {
3672                 .alg = "authenc(hmac(sha256),cbc(des))",
3673                 .test = alg_test_aead,
3674                 .suite = {
3675                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
3676                 }
3677         }, {
3678                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
3679                 .test = alg_test_aead,
3680                 .fips_allowed = 1,
3681                 .suite = {
3682                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
3683                 }
3684         }, {
3685                 .alg = "authenc(hmac(sha256),ctr(aes))",
3686                 .test = alg_test_null,
3687                 .fips_allowed = 1,
3688         }, {
3689                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
3690                 .test = alg_test_null,
3691                 .fips_allowed = 1,
3692         }, {
3693                 .alg = "authenc(hmac(sha384),cbc(des))",
3694                 .test = alg_test_aead,
3695                 .suite = {
3696                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
3697                 }
3698         }, {
3699                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
3700                 .test = alg_test_aead,
3701                 .fips_allowed = 1,
3702                 .suite = {
3703                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
3704                 }
3705         }, {
3706                 .alg = "authenc(hmac(sha384),ctr(aes))",
3707                 .test = alg_test_null,
3708                 .fips_allowed = 1,
3709         }, {
3710                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
3711                 .test = alg_test_null,
3712                 .fips_allowed = 1,
3713         }, {
3714                 .alg = "authenc(hmac(sha512),cbc(aes))",
3715                 .fips_allowed = 1,
3716                 .test = alg_test_aead,
3717                 .suite = {
3718                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
3719                 }
3720         }, {
3721                 .alg = "authenc(hmac(sha512),cbc(des))",
3722                 .test = alg_test_aead,
3723                 .suite = {
3724                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
3725                 }
3726         }, {
3727                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
3728                 .test = alg_test_aead,
3729                 .fips_allowed = 1,
3730                 .suite = {
3731                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
3732                 }
3733         }, {
3734                 .alg = "authenc(hmac(sha512),ctr(aes))",
3735                 .test = alg_test_null,
3736                 .fips_allowed = 1,
3737         }, {
3738                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
3739                 .test = alg_test_null,
3740                 .fips_allowed = 1,
3741         }, {
3742                 .alg = "cbc(aes)",
3743                 .test = alg_test_skcipher,
3744                 .fips_allowed = 1,
3745                 .suite = {
3746                         .cipher = __VECS(aes_cbc_tv_template)
3747                 },
3748         }, {
3749                 .alg = "cbc(anubis)",
3750                 .test = alg_test_skcipher,
3751                 .suite = {
3752                         .cipher = __VECS(anubis_cbc_tv_template)
3753                 },
3754         }, {
3755                 .alg = "cbc(blowfish)",
3756                 .test = alg_test_skcipher,
3757                 .suite = {
3758                         .cipher = __VECS(bf_cbc_tv_template)
3759                 },
3760         }, {
3761                 .alg = "cbc(camellia)",
3762                 .test = alg_test_skcipher,
3763                 .suite = {
3764                         .cipher = __VECS(camellia_cbc_tv_template)
3765                 },
3766         }, {
3767                 .alg = "cbc(cast5)",
3768                 .test = alg_test_skcipher,
3769                 .suite = {
3770                         .cipher = __VECS(cast5_cbc_tv_template)
3771                 },
3772         }, {
3773                 .alg = "cbc(cast6)",
3774                 .test = alg_test_skcipher,
3775                 .suite = {
3776                         .cipher = __VECS(cast6_cbc_tv_template)
3777                 },
3778         }, {
3779                 .alg = "cbc(des)",
3780                 .test = alg_test_skcipher,
3781                 .suite = {
3782                         .cipher = __VECS(des_cbc_tv_template)
3783                 },
3784         }, {
3785                 .alg = "cbc(des3_ede)",
3786                 .test = alg_test_skcipher,
3787                 .fips_allowed = 1,
3788                 .suite = {
3789                         .cipher = __VECS(des3_ede_cbc_tv_template)
3790                 },
3791         }, {
3792                 /* Same as cbc(aes) except the key is stored in
3793                  * hardware secure memory which we reference by index
3794                  */
3795                 .alg = "cbc(paes)",
3796                 .test = alg_test_null,
3797                 .fips_allowed = 1,
3798         }, {
3799                 /* Same as cbc(sm4) except the key is stored in
3800                  * hardware secure memory which we reference by index
3801                  */
3802                 .alg = "cbc(psm4)",
3803                 .test = alg_test_null,
3804         }, {
3805                 .alg = "cbc(serpent)",
3806                 .test = alg_test_skcipher,
3807                 .suite = {
3808                         .cipher = __VECS(serpent_cbc_tv_template)
3809                 },
3810         }, {
3811                 .alg = "cbc(sm4)",
3812                 .test = alg_test_skcipher,
3813                 .suite = {
3814                         .cipher = __VECS(sm4_cbc_tv_template)
3815                 }
3816         }, {
3817                 .alg = "cbc(twofish)",
3818                 .test = alg_test_skcipher,
3819                 .suite = {
3820                         .cipher = __VECS(tf_cbc_tv_template)
3821                 },
3822         }, {
3823                 .alg = "cbcmac(aes)",
3824                 .fips_allowed = 1,
3825                 .test = alg_test_hash,
3826                 .suite = {
3827                         .hash = __VECS(aes_cbcmac_tv_template)
3828                 }
3829         }, {
3830                 .alg = "ccm(aes)",
3831                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
3832                 .test = alg_test_aead,
3833                 .fips_allowed = 1,
3834                 .suite = {
3835                         .aead = __VECS(aes_ccm_tv_template)
3836                 }
3837         }, {
3838                 .alg = "cfb(aes)",
3839                 .test = alg_test_skcipher,
3840                 .fips_allowed = 1,
3841                 .suite = {
3842                         .cipher = __VECS(aes_cfb_tv_template)
3843                 },
3844         }, {
3845                 .alg = "chacha20",
3846                 .test = alg_test_skcipher,
3847                 .suite = {
3848                         .cipher = __VECS(chacha20_tv_template)
3849                 },
3850         }, {
3851                 .alg = "cmac(aes)",
3852                 .fips_allowed = 1,
3853                 .test = alg_test_hash,
3854                 .suite = {
3855                         .hash = __VECS(aes_cmac128_tv_template)
3856                 }
3857         }, {
3858                 .alg = "cmac(des3_ede)",
3859                 .fips_allowed = 1,
3860                 .test = alg_test_hash,
3861                 .suite = {
3862                         .hash = __VECS(des3_ede_cmac64_tv_template)
3863                 }
3864         }, {
3865                 .alg = "compress_null",
3866                 .test = alg_test_null,
3867         }, {
3868                 .alg = "crc32",
3869                 .test = alg_test_hash,
3870                 .fips_allowed = 1,
3871                 .suite = {
3872                         .hash = __VECS(crc32_tv_template)
3873                 }
3874         }, {
3875                 .alg = "crc32c",
3876                 .test = alg_test_crc32c,
3877                 .fips_allowed = 1,
3878                 .suite = {
3879                         .hash = __VECS(crc32c_tv_template)
3880                 }
3881         }, {
3882                 .alg = "crct10dif",
3883                 .test = alg_test_hash,
3884                 .fips_allowed = 1,
3885                 .suite = {
3886                         .hash = __VECS(crct10dif_tv_template)
3887                 }
3888         }, {
3889                 .alg = "ctr(aes)",
3890                 .test = alg_test_skcipher,
3891                 .fips_allowed = 1,
3892                 .suite = {
3893                         .cipher = __VECS(aes_ctr_tv_template)
3894                 }
3895         }, {
3896                 .alg = "ctr(blowfish)",
3897                 .test = alg_test_skcipher,
3898                 .suite = {
3899                         .cipher = __VECS(bf_ctr_tv_template)
3900                 }
3901         }, {
3902                 .alg = "ctr(camellia)",
3903                 .test = alg_test_skcipher,
3904                 .suite = {
3905                         .cipher = __VECS(camellia_ctr_tv_template)
3906                 }
3907         }, {
3908                 .alg = "ctr(cast5)",
3909                 .test = alg_test_skcipher,
3910                 .suite = {
3911                         .cipher = __VECS(cast5_ctr_tv_template)
3912                 }
3913         }, {
3914                 .alg = "ctr(cast6)",
3915                 .test = alg_test_skcipher,
3916                 .suite = {
3917                         .cipher = __VECS(cast6_ctr_tv_template)
3918                 }
3919         }, {
3920                 .alg = "ctr(des)",
3921                 .test = alg_test_skcipher,
3922                 .suite = {
3923                         .cipher = __VECS(des_ctr_tv_template)
3924                 }
3925         }, {
3926                 .alg = "ctr(des3_ede)",
3927                 .test = alg_test_skcipher,
3928                 .fips_allowed = 1,
3929                 .suite = {
3930                         .cipher = __VECS(des3_ede_ctr_tv_template)
3931                 }
3932         }, {
3933                 /* Same as ctr(aes) except the key is stored in
3934                  * hardware secure memory which we reference by index
3935                  */
3936                 .alg = "ctr(paes)",
3937                 .test = alg_test_null,
3938                 .fips_allowed = 1,
3939         }, {
3940 
3941                 /* Same as ctr(sm4) except the key is stored in
3942                  * hardware secure memory which we reference by index
3943                  */
3944                 .alg = "ctr(psm4)",
3945                 .test = alg_test_null,
3946         }, {
3947                 .alg = "ctr(serpent)",
3948                 .test = alg_test_skcipher,
3949                 .suite = {
3950                         .cipher = __VECS(serpent_ctr_tv_template)
3951                 }
3952         }, {
3953                 .alg = "ctr(sm4)",
3954                 .test = alg_test_skcipher,
3955                 .suite = {
3956                         .cipher = __VECS(sm4_ctr_tv_template)
3957                 }
3958         }, {
3959                 .alg = "ctr(twofish)",
3960                 .test = alg_test_skcipher,
3961                 .suite = {
3962                         .cipher = __VECS(tf_ctr_tv_template)
3963                 }
3964         }, {
3965                 .alg = "cts(cbc(aes))",
3966                 .test = alg_test_skcipher,
3967                 .fips_allowed = 1,
3968                 .suite = {
3969                         .cipher = __VECS(cts_mode_tv_template)
3970                 }
3971         }, {
3972                 /* Same as cts(cbc((aes)) except the key is stored in
3973                  * hardware secure memory which we reference by index
3974                  */
3975                 .alg = "cts(cbc(paes))",
3976                 .test = alg_test_null,
3977                 .fips_allowed = 1,
3978         }, {
3979                 .alg = "deflate",
3980                 .test = alg_test_comp,
3981                 .fips_allowed = 1,
3982                 .suite = {
3983                         .comp = {
3984                                 .comp = __VECS(deflate_comp_tv_template),
3985                                 .decomp = __VECS(deflate_decomp_tv_template)
3986                         }
3987                 }
3988         }, {
3989                 .alg = "dh",
3990                 .test = alg_test_kpp,
3991                 .fips_allowed = 1,
3992                 .suite = {
3993                         .kpp = __VECS(dh_tv_template)
3994                 }
3995         }, {
3996                 .alg = "digest_null",
3997                 .test = alg_test_null,
3998         }, {
3999                 .alg = "drbg_nopr_ctr_aes128",
4000                 .test = alg_test_drbg,
4001                 .fips_allowed = 1,
4002                 .suite = {
4003                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4004                 }
4005         }, {
4006                 .alg = "drbg_nopr_ctr_aes192",
4007                 .test = alg_test_drbg,
4008                 .fips_allowed = 1,
4009                 .suite = {
4010                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4011                 }
4012         }, {
4013                 .alg = "drbg_nopr_ctr_aes256",
4014                 .test = alg_test_drbg,
4015                 .fips_allowed = 1,
4016                 .suite = {
4017                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4018                 }
4019         }, {
4020                 /*
4021                  * There is no need to specifically test the DRBG with every
4022                  * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4023                  */
4024                 .alg = "drbg_nopr_hmac_sha1",
4025                 .fips_allowed = 1,
4026                 .test = alg_test_null,
4027         }, {
4028                 .alg = "drbg_nopr_hmac_sha256",
4029                 .test = alg_test_drbg,
4030                 .fips_allowed = 1,
4031                 .suite = {
4032                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4033                 }
4034         }, {
4035                 /* covered by drbg_nopr_hmac_sha256 test */
4036                 .alg = "drbg_nopr_hmac_sha384",
4037                 .fips_allowed = 1,
4038                 .test = alg_test_null,
4039         }, {
4040                 .alg = "drbg_nopr_hmac_sha512",
4041                 .test = alg_test_null,
4042                 .fips_allowed = 1,
4043         }, {
4044                 .alg = "drbg_nopr_sha1",
4045                 .fips_allowed = 1,
4046                 .test = alg_test_null,
4047         }, {
4048                 .alg = "drbg_nopr_sha256",
4049                 .test = alg_test_drbg,
4050                 .fips_allowed = 1,
4051                 .suite = {
4052                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4053                 }
4054         }, {
4055                 /* covered by drbg_nopr_sha256 test */
4056                 .alg = "drbg_nopr_sha384",
4057                 .fips_allowed = 1,
4058                 .test = alg_test_null,
4059         }, {
4060                 .alg = "drbg_nopr_sha512",
4061                 .fips_allowed = 1,
4062                 .test = alg_test_null,
4063         }, {
4064                 .alg = "drbg_pr_ctr_aes128",
4065                 .test = alg_test_drbg,
4066                 .fips_allowed = 1,
4067                 .suite = {
4068                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4069                 }
4070         }, {
4071                 /* covered by drbg_pr_ctr_aes128 test */
4072                 .alg = "drbg_pr_ctr_aes192",
4073                 .fips_allowed = 1,
4074                 .test = alg_test_null,
4075         }, {
4076                 .alg = "drbg_pr_ctr_aes256",
4077                 .fips_allowed = 1,
4078                 .test = alg_test_null,
4079         }, {
4080                 .alg = "drbg_pr_hmac_sha1",
4081                 .fips_allowed = 1,
4082                 .test = alg_test_null,
4083         }, {
4084                 .alg = "drbg_pr_hmac_sha256",
4085                 .test = alg_test_drbg,
4086                 .fips_allowed = 1,
4087                 .suite = {
4088                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4089                 }
4090         }, {
4091                 /* covered by drbg_pr_hmac_sha256 test */
4092                 .alg = "drbg_pr_hmac_sha384",
4093                 .fips_allowed = 1,
4094                 .test = alg_test_null,
4095         }, {
4096                 .alg = "drbg_pr_hmac_sha512",
4097                 .test = alg_test_null,
4098                 .fips_allowed = 1,
4099         }, {
4100                 .alg = "drbg_pr_sha1",
4101                 .fips_allowed = 1,
4102                 .test = alg_test_null,
4103         }, {
4104                 .alg = "drbg_pr_sha256",
4105                 .test = alg_test_drbg,
4106                 .fips_allowed = 1,
4107                 .suite = {
4108                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4109                 }
4110         }, {
4111                 /* covered by drbg_pr_sha256 test */
4112                 .alg = "drbg_pr_sha384",
4113                 .fips_allowed = 1,
4114                 .test = alg_test_null,
4115         }, {
4116                 .alg = "drbg_pr_sha512",
4117                 .fips_allowed = 1,
4118                 .test = alg_test_null,
4119         }, {
4120                 .alg = "ecb(aes)",
4121                 .test = alg_test_skcipher,
4122                 .fips_allowed = 1,
4123                 .suite = {
4124                         .cipher = __VECS(aes_tv_template)
4125                 }
4126         }, {
4127                 .alg = "ecb(anubis)",
4128                 .test = alg_test_skcipher,
4129                 .suite = {
4130                         .cipher = __VECS(anubis_tv_template)
4131                 }
4132         }, {
4133                 .alg = "ecb(arc4)",
4134                 .test = alg_test_skcipher,
4135                 .suite = {
4136                         .cipher = __VECS(arc4_tv_template)
4137                 }
4138         }, {
4139                 .alg = "ecb(blowfish)",
4140                 .test = alg_test_skcipher,
4141                 .suite = {
4142                         .cipher = __VECS(bf_tv_template)
4143                 }
4144         }, {
4145                 .alg = "ecb(camellia)",
4146                 .test = alg_test_skcipher,
4147                 .suite = {
4148                         .cipher = __VECS(camellia_tv_template)
4149                 }
4150         }, {
4151                 .alg = "ecb(cast5)",
4152                 .test = alg_test_skcipher,
4153                 .suite = {
4154                         .cipher = __VECS(cast5_tv_template)
4155                 }
4156         }, {
4157                 .alg = "ecb(cast6)",
4158                 .test = alg_test_skcipher,
4159                 .suite = {
4160                         .cipher = __VECS(cast6_tv_template)
4161                 }
4162         }, {
4163                 .alg = "ecb(cipher_null)",
4164                 .test = alg_test_null,
4165                 .fips_allowed = 1,
4166         }, {
4167                 .alg = "ecb(des)",
4168                 .test = alg_test_skcipher,
4169                 .suite = {
4170                         .cipher = __VECS(des_tv_template)
4171                 }
4172         }, {
4173                 .alg = "ecb(des3_ede)",
4174                 .test = alg_test_skcipher,
4175                 .fips_allowed = 1,
4176                 .suite = {
4177                         .cipher = __VECS(des3_ede_tv_template)
4178                 }
4179         }, {
4180                 .alg = "ecb(fcrypt)",
4181                 .test = alg_test_skcipher,
4182                 .suite = {
4183                         .cipher = {
4184                                 .vecs = fcrypt_pcbc_tv_template,
4185                                 .count = 1
4186                         }
4187                 }
4188         }, {
4189                 .alg = "ecb(khazad)",
4190                 .test = alg_test_skcipher,
4191                 .suite = {
4192                         .cipher = __VECS(khazad_tv_template)
4193                 }
4194         }, {
4195                 /* Same as ecb(aes) except the key is stored in
4196                  * hardware secure memory which we reference by index
4197                  */
4198                 .alg = "ecb(paes)",
4199                 .test = alg_test_null,
4200                 .fips_allowed = 1,
4201         }, {
4202                 .alg = "ecb(seed)",
4203                 .test = alg_test_skcipher,
4204                 .suite = {
4205                         .cipher = __VECS(seed_tv_template)
4206                 }
4207         }, {
4208                 .alg = "ecb(serpent)",
4209                 .test = alg_test_skcipher,
4210                 .suite = {
4211                         .cipher = __VECS(serpent_tv_template)
4212                 }
4213         }, {
4214                 .alg = "ecb(sm4)",
4215                 .test = alg_test_skcipher,
4216                 .suite = {
4217                         .cipher = __VECS(sm4_tv_template)
4218                 }
4219         }, {
4220                 .alg = "ecb(tea)",
4221                 .test = alg_test_skcipher,
4222                 .suite = {
4223                         .cipher = __VECS(tea_tv_template)
4224                 }
4225         }, {
4226                 .alg = "ecb(tnepres)",
4227                 .test = alg_test_skcipher,
4228                 .suite = {
4229                         .cipher = __VECS(tnepres_tv_template)
4230                 }
4231         }, {
4232                 .alg = "ecb(twofish)",
4233                 .test = alg_test_skcipher,
4234                 .suite = {
4235                         .cipher = __VECS(tf_tv_template)
4236                 }
4237         }, {
4238                 .alg = "ecb(xeta)",
4239                 .test = alg_test_skcipher,
4240                 .suite = {
4241                         .cipher = __VECS(xeta_tv_template)
4242                 }
4243         }, {
4244                 .alg = "ecb(xtea)",
4245                 .test = alg_test_skcipher,
4246                 .suite = {
4247                         .cipher = __VECS(xtea_tv_template)
4248                 }
4249         }, {
4250                 .alg = "ecdh",
4251                 .test = alg_test_kpp,
4252                 .fips_allowed = 1,
4253                 .suite = {
4254                         .kpp = __VECS(ecdh_tv_template)
4255                 }
4256         }, {
4257                 .alg = "ecrdsa",
4258                 .test = alg_test_akcipher,
4259                 .suite = {
4260                         .akcipher = __VECS(ecrdsa_tv_template)
4261                 }
4262         }, {
4263                 .alg = "gcm(aes)",
4264                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4265                 .test = alg_test_aead,
4266                 .fips_allowed = 1,
4267                 .suite = {
4268                         .aead = __VECS(aes_gcm_tv_template)
4269                 }
4270         }, {
4271                 .alg = "ghash",
4272                 .test = alg_test_hash,
4273                 .fips_allowed = 1,
4274                 .suite = {
4275                         .hash = __VECS(ghash_tv_template)
4276                 }
4277         }, {
4278                 .alg = "hmac(md5)",
4279                 .test = alg_test_hash,
4280                 .suite = {
4281                         .hash = __VECS(hmac_md5_tv_template)
4282                 }
4283         }, {
4284                 .alg = "hmac(rmd128)",
4285                 .test = alg_test_hash,
4286                 .suite = {
4287                         .hash = __VECS(hmac_rmd128_tv_template)
4288                 }
4289         }, {
4290                 .alg = "hmac(rmd160)",
4291                 .test = alg_test_hash,
4292                 .suite = {
4293                         .hash = __VECS(hmac_rmd160_tv_template)
4294                 }
4295         }, {
4296                 .alg = "hmac(sha1)",
4297                 .test = alg_test_hash,
4298                 .fips_allowed = 1,
4299                 .suite = {
4300                         .hash = __VECS(hmac_sha1_tv_template)
4301                 }
4302         }, {
4303                 .alg = "hmac(sha224)",
4304                 .test = alg_test_hash,
4305                 .fips_allowed = 1,
4306                 .suite = {
4307                         .hash = __VECS(hmac_sha224_tv_template)
4308                 }
4309         }, {
4310                 .alg = "hmac(sha256)",
4311                 .test = alg_test_hash,
4312                 .fips_allowed = 1,
4313                 .suite = {
4314                         .hash = __VECS(hmac_sha256_tv_template)
4315                 }
4316         }, {
4317                 .alg = "hmac(sha3-224)",
4318                 .test = alg_test_hash,
4319                 .fips_allowed = 1,
4320                 .suite = {
4321                         .hash = __VECS(hmac_sha3_224_tv_template)
4322                 }
4323         }, {
4324                 .alg = "hmac(sha3-256)",
4325                 .test = alg_test_hash,
4326                 .fips_allowed = 1,
4327                 .suite = {
4328                         .hash = __VECS(hmac_sha3_256_tv_template)
4329                 }
4330         }, {
4331                 .alg = "hmac(sha3-384)",
4332                 .test = alg_test_hash,
4333                 .fips_allowed = 1,
4334                 .suite = {
4335                         .hash = __VECS(hmac_sha3_384_tv_template)
4336                 }
4337         }, {
4338                 .alg = "hmac(sha3-512)",
4339                 .test = alg_test_hash,
4340                 .fips_allowed = 1,
4341                 .suite = {
4342                         .hash = __VECS(hmac_sha3_512_tv_template)
4343                 }
4344         }, {
4345                 .alg = "hmac(sha384)",
4346                 .test = alg_test_hash,
4347                 .fips_allowed = 1,
4348                 .suite = {
4349                         .hash = __VECS(hmac_sha384_tv_template)
4350                 }
4351         }, {
4352                 .alg = "hmac(sha512)",
4353                 .test = alg_test_hash,
4354                 .fips_allowed = 1,
4355                 .suite = {
4356                         .hash = __VECS(hmac_sha512_tv_template)
4357                 }
4358         }, {
4359                 .alg = "hmac(streebog256)",
4360                 .test = alg_test_hash,
4361                 .suite = {
4362                         .hash = __VECS(hmac_streebog256_tv_template)
4363                 }
4364         }, {
4365                 .alg = "hmac(streebog512)",
4366                 .test = alg_test_hash,
4367                 .suite = {
4368                         .hash = __VECS(hmac_streebog512_tv_template)
4369                 }
4370         }, {
4371                 .alg = "jitterentropy_rng",
4372                 .fips_allowed = 1,
4373                 .test = alg_test_null,
4374         }, {
4375                 .alg = "kw(aes)",
4376                 .test = alg_test_skcipher,
4377                 .fips_allowed = 1,
4378                 .suite = {
4379                         .cipher = __VECS(aes_kw_tv_template)
4380                 }
4381         }, {
4382                 .alg = "lrw(aes)",
4383                 .generic_driver = "lrw(ecb(aes-generic))",
4384                 .test = alg_test_skcipher,
4385                 .suite = {
4386                         .cipher = __VECS(aes_lrw_tv_template)
4387                 }
4388         }, {
4389                 .alg = "lrw(camellia)",
4390                 .generic_driver = "lrw(ecb(camellia-generic))",
4391                 .test = alg_test_skcipher,
4392                 .suite = {
4393                         .cipher = __VECS(camellia_lrw_tv_template)
4394                 }
4395         }, {
4396                 .alg = "lrw(cast6)",
4397                 .generic_driver = "lrw(ecb(cast6-generic))",
4398                 .test = alg_test_skcipher,
4399                 .suite = {
4400                         .cipher = __VECS(cast6_lrw_tv_template)
4401                 }
4402         }, {
4403                 .alg = "lrw(serpent)",
4404                 .generic_driver = "lrw(ecb(serpent-generic))",
4405                 .test = alg_test_skcipher,
4406                 .suite = {
4407                         .cipher = __VECS(serpent_lrw_tv_template)
4408                 }
4409         }, {
4410                 .alg = "lrw(twofish)",
4411                 .generic_driver = "lrw(ecb(twofish-generic))",
4412                 .test = alg_test_skcipher,
4413                 .suite = {
4414                         .cipher = __VECS(tf_lrw_tv_template)
4415                 }
4416         }, {
4417                 .alg = "lz4",
4418                 .test = alg_test_comp,
4419                 .fips_allowed = 1,
4420                 .suite = {
4421                         .comp = {
4422                                 .comp = __VECS(lz4_comp_tv_template),
4423                                 .decomp = __VECS(lz4_decomp_tv_template)
4424                         }
4425                 }
4426         }, {
4427                 .alg = "lz4hc",
4428                 .test = alg_test_comp,
4429                 .fips_allowed = 1,
4430                 .suite = {
4431                         .comp = {
4432                                 .comp = __VECS(lz4hc_comp_tv_template),
4433                                 .decomp = __VECS(lz4hc_decomp_tv_template)
4434                         }
4435                 }
4436         }, {
4437                 .alg = "lzo",
4438                 .test = alg_test_comp,
4439                 .fips_allowed = 1,
4440                 .suite = {
4441                         .comp = {
4442                                 .comp = __VECS(lzo_comp_tv_template),
4443                                 .decomp = __VECS(lzo_decomp_tv_template)
4444                         }
4445                 }
4446         }, {
4447                 .alg = "md4",
4448                 .test = alg_test_hash,
4449                 .suite = {
4450                         .hash = __VECS(md4_tv_template)
4451                 }
4452         }, {
4453                 .alg = "md5",
4454                 .test = alg_test_hash,
4455                 .suite = {
4456                         .hash = __VECS(md5_tv_template)
4457                 }
4458         }, {
4459                 .alg = "michael_mic",
4460                 .test = alg_test_hash,
4461                 .suite = {
4462                         .hash = __VECS(michael_mic_tv_template)
4463                 }
4464         }, {
4465                 .alg = "morus1280",
4466                 .test = alg_test_aead,
4467                 .suite = {
4468                         .aead = __VECS(morus1280_tv_template)
4469                 }
4470         }, {
4471                 .alg = "morus640",
4472                 .test = alg_test_aead,
4473                 .suite = {
4474                         .aead = __VECS(morus640_tv_template)
4475                 }
4476         }, {
4477                 .alg = "nhpoly1305",
4478                 .test = alg_test_hash,
4479                 .suite = {
4480                         .hash = __VECS(nhpoly1305_tv_template)
4481                 }
4482         }, {
4483                 .alg = "ofb(aes)",
4484                 .test = alg_test_skcipher,
4485                 .fips_allowed = 1,
4486                 .suite = {
4487                         .cipher = __VECS(aes_ofb_tv_template)
4488                 }
4489         }, {
4490                 /* Same as ofb(aes) except the key is stored in
4491                  * hardware secure memory which we reference by index
4492                  */
4493                 .alg = "ofb(paes)",
4494                 .test = alg_test_null,
4495                 .fips_allowed = 1,
4496         }, {
4497                 .alg = "pcbc(fcrypt)",
4498                 .test = alg_test_skcipher,
4499                 .suite = {
4500                         .cipher = __VECS(fcrypt_pcbc_tv_template)
4501                 }
4502         }, {
4503                 .alg = "pkcs1pad(rsa,sha224)",
4504                 .test = alg_test_null,
4505                 .fips_allowed = 1,
4506         }, {
4507                 .alg = "pkcs1pad(rsa,sha256)",
4508                 .test = alg_test_akcipher,
4509                 .fips_allowed = 1,
4510                 .suite = {
4511                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
4512                 }
4513         }, {
4514                 .alg = "pkcs1pad(rsa,sha384)",
4515                 .test = alg_test_null,
4516                 .fips_allowed = 1,
4517         }, {
4518                 .alg = "pkcs1pad(rsa,sha512)",
4519                 .test = alg_test_null,
4520                 .fips_allowed = 1,
4521         }, {
4522                 .alg = "poly1305",
4523                 .test = alg_test_hash,
4524                 .suite = {
4525                         .hash = __VECS(poly1305_tv_template)
4526                 }
4527         }, {
4528                 .alg = "rfc3686(ctr(aes))",
4529                 .test = alg_test_skcipher,
4530                 .fips_allowed = 1,
4531                 .suite = {
4532                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
4533                 }
4534         }, {
4535                 .alg = "rfc4106(gcm(aes))",
4536                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
4537                 .test = alg_test_aead,
4538                 .fips_allowed = 1,
4539                 .suite = {
4540                         .aead = __VECS(aes_gcm_rfc4106_tv_template)
4541                 }
4542         }, {
4543                 .alg = "rfc4309(ccm(aes))",
4544                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
4545                 .test = alg_test_aead,
4546                 .fips_allowed = 1,
4547                 .suite = {
4548                         .aead = __VECS(aes_ccm_rfc4309_tv_template)
4549                 }
4550         }, {
4551                 .alg = "rfc4543(gcm(aes))",
4552                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
4553                 .test = alg_test_aead,
4554                 .suite = {
4555                         .aead = __VECS(aes_gcm_rfc4543_tv_template)
4556                 }
4557         }, {
4558                 .alg = "rfc7539(chacha20,poly1305)",
4559                 .test = alg_test_aead,
4560                 .suite = {
4561                         .aead = __VECS(rfc7539_tv_template)
4562                 }
4563         }, {
4564                 .alg = "rfc7539esp(chacha20,poly1305)",
4565                 .test = alg_test_aead,
4566                 .suite = {
4567                         .aead = __VECS(rfc7539esp_tv_template)
4568                 }
4569         }, {
4570                 .alg = "rmd128",
4571                 .test = alg_test_hash,
4572                 .suite = {
4573                         .hash = __VECS(rmd128_tv_template)
4574                 }
4575         }, {
4576                 .alg = "rmd160",
4577                 .test = alg_test_hash,
4578                 .suite = {
4579                         .hash = __VECS(rmd160_tv_template)
4580                 }
4581         }, {
4582                 .alg = "rmd256",
4583                 .test = alg_test_hash,
4584                 .suite = {
4585                         .hash = __VECS(rmd256_tv_template)
4586                 }
4587         }, {
4588                 .alg = "rmd320",
4589                 .test = alg_test_hash,
4590                 .suite = {
4591                         .hash = __VECS(rmd320_tv_template)
4592                 }
4593         }, {
4594                 .alg = "rsa",
4595                 .test = alg_test_akcipher,
4596                 .fips_allowed = 1,
4597                 .suite = {
4598                         .akcipher = __VECS(rsa_tv_template)
4599                 }
4600         }, {
4601                 .alg = "salsa20",
4602                 .test = alg_test_skcipher,
4603                 .suite = {
4604                         .cipher = __VECS(salsa20_stream_tv_template)
4605                 }
4606         }, {
4607                 .alg = "sha1",
4608                 .test = alg_test_hash,
4609                 .fips_allowed = 1,
4610                 .suite = {
4611                         .hash = __VECS(sha1_tv_template)
4612                 }
4613         }, {
4614                 .alg = "sha224",
4615                 .test = alg_test_hash,
4616                 .fips_allowed = 1,
4617                 .suite = {
4618                         .hash = __VECS(sha224_tv_template)
4619                 }
4620         }, {
4621                 .alg = "sha256",
4622                 .test = alg_test_hash,
4623                 .fips_allowed = 1,
4624                 .suite = {
4625                         .hash = __VECS(sha256_tv_template)
4626                 }
4627         }, {
4628                 .alg = "sha3-224",
4629                 .test = alg_test_hash,
4630                 .fips_allowed = 1,
4631                 .suite = {
4632                         .hash = __VECS(sha3_224_tv_template)
4633                 }
4634         }, {
4635                 .alg = "sha3-256",
4636                 .test = alg_test_hash,
4637                 .fips_allowed = 1,
4638                 .suite = {
4639                         .hash = __VECS(sha3_256_tv_template)
4640                 }
4641         }, {
4642                 .alg = "sha3-384",
4643                 .test = alg_test_hash,
4644                 .fips_allowed = 1,
4645                 .suite = {
4646                         .hash = __VECS(sha3_384_tv_template)
4647                 }
4648         }, {
4649                 .alg = "sha3-512",
4650                 .test = alg_test_hash,
4651                 .fips_allowed = 1,
4652                 .suite = {
4653                         .hash = __VECS(sha3_512_tv_template)
4654                 }
4655         }, {
4656                 .alg = "sha384",
4657                 .test = alg_test_hash,
4658                 .fips_allowed = 1,
4659                 .suite = {
4660                         .hash = __VECS(sha384_tv_template)
4661                 }
4662         }, {
4663                 .alg = "sha512",
4664                 .test = alg_test_hash,
4665                 .fips_allowed = 1,
4666                 .suite = {
4667                         .hash = __VECS(sha512_tv_template)
4668                 }
4669         }, {
4670                 .alg = "sm3",
4671                 .test = alg_test_hash,
4672                 .suite = {
4673                         .hash = __VECS(sm3_tv_template)
4674                 }
4675         }, {
4676                 .alg = "streebog256",
4677                 .test = alg_test_hash,
4678                 .suite = {
4679                         .hash = __VECS(streebog256_tv_template)
4680                 }
4681         }, {
4682                 .alg = "streebog512",
4683                 .test = alg_test_hash,
4684                 .suite = {
4685                         .hash = __VECS(streebog512_tv_template)
4686                 }
4687         }, {
4688                 .alg = "tgr128",
4689                 .test = alg_test_hash,
4690                 .suite = {
4691                         .hash = __VECS(tgr128_tv_template)
4692                 }
4693         }, {
4694                 .alg = "tgr160",
4695                 .test = alg_test_hash,
4696                 .suite = {
4697                         .hash = __VECS(tgr160_tv_template)
4698                 }
4699         }, {
4700                 .alg = "tgr192",
4701                 .test = alg_test_hash,
4702                 .suite = {
4703                         .hash = __VECS(tgr192_tv_template)
4704                 }
4705         }, {
4706                 .alg = "vmac64(aes)",
4707                 .test = alg_test_hash,
4708                 .suite = {
4709                         .hash = __VECS(vmac64_aes_tv_template)
4710                 }
4711         }, {
4712                 .alg = "wp256",
4713                 .test = alg_test_hash,
4714                 .suite = {
4715                         .hash = __VECS(wp256_tv_template)
4716                 }
4717         }, {
4718                 .alg = "wp384",
4719                 .test = alg_test_hash,
4720                 .suite = {
4721                         .hash = __VECS(wp384_tv_template)
4722                 }
4723         }, {
4724                 .alg = "wp512",
4725                 .test = alg_test_hash,
4726                 .suite = {
4727                         .hash = __VECS(wp512_tv_template)
4728                 }
4729         }, {
4730                 .alg = "xcbc(aes)",
4731                 .test = alg_test_hash,
4732                 .suite = {
4733                         .hash = __VECS(aes_xcbc128_tv_template)
4734                 }
4735         }, {
4736                 .alg = "xchacha12",
4737                 .test = alg_test_skcipher,
4738                 .suite = {
4739                         .cipher = __VECS(xchacha12_tv_template)
4740                 },
4741         }, {
4742                 .alg = "xchacha20",
4743                 .test = alg_test_skcipher,
4744                 .suite = {
4745                         .cipher = __VECS(xchacha20_tv_template)
4746                 },
4747         }, {
4748                 .alg = "xts(aes)",
4749                 .generic_driver = "xts(ecb(aes-generic))",
4750                 .test = alg_test_skcipher,
4751                 .fips_allowed = 1,
4752                 .suite = {
4753                         .cipher = __VECS(aes_xts_tv_template)
4754                 }
4755         }, {
4756                 .alg = "xts(camellia)",
4757                 .generic_driver = "xts(ecb(camellia-generic))",
4758                 .test = alg_test_skcipher,
4759                 .suite = {
4760                         .cipher = __VECS(camellia_xts_tv_template)
4761                 }
4762         }, {
4763                 .alg = "xts(cast6)",
4764                 .generic_driver = "xts(ecb(cast6-generic))",
4765                 .test = alg_test_skcipher,
4766                 .suite = {
4767                         .cipher = __VECS(cast6_xts_tv_template)
4768                 }
4769         }, {
4770                 /* Same as xts(aes) except the key is stored in
4771                  * hardware secure memory which we reference by index
4772                  */
4773                 .alg = "xts(paes)",
4774                 .test = alg_test_null,
4775                 .fips_allowed = 1,
4776         }, {
4777                 .alg = "xts(serpent)",
4778                 .generic_driver = "xts(ecb(serpent-generic))",
4779                 .test = alg_test_skcipher,
4780                 .suite = {
4781                         .cipher = __VECS(serpent_xts_tv_template)
4782                 }
4783         }, {
4784                 .alg = "xts(twofish)",
4785                 .generic_driver = "xts(ecb(twofish-generic))",
4786                 .test = alg_test_skcipher,
4787                 .suite = {
4788                         .cipher = __VECS(tf_xts_tv_template)
4789                 }
4790         }, {
4791                 .alg = "xts4096(paes)",
4792                 .test = alg_test_null,
4793                 .fips_allowed = 1,
4794         }, {
4795                 .alg = "xts512(paes)",
4796                 .test = alg_test_null,
4797                 .fips_allowed = 1,
4798         }, {
4799                 .alg = "zlib-deflate",
4800                 .test = alg_test_comp,
4801                 .fips_allowed = 1,
4802                 .suite = {
4803                         .comp = {
4804                                 .comp = __VECS(zlib_deflate_comp_tv_template),
4805                                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
4806                         }
4807                 }
4808         }, {
4809                 .alg = "zstd",
4810                 .test = alg_test_comp,
4811                 .fips_allowed = 1,
4812                 .suite = {
4813                         .comp = {
4814                                 .comp = __VECS(zstd_comp_tv_template),
4815                                 .decomp = __VECS(zstd_decomp_tv_template)
4816                         }
4817                 }
4818         }
4819 };
4820 
4821 static void alg_check_test_descs_order(void)
4822 {
4823         int i;
4824 
4825         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
4826                 int diff = strcmp(alg_test_descs[i - 1].alg,
4827                                   alg_test_descs[i].alg);
4828 
4829                 if (WARN_ON(diff > 0)) {
4830                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
4831                                 alg_test_descs[i - 1].alg,
4832                                 alg_test_descs[i].alg);
4833                 }
4834 
4835                 if (WARN_ON(diff == 0)) {
4836                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
4837                                 alg_test_descs[i].alg);
4838                 }
4839         }
4840 }
4841 
4842 static void alg_check_testvec_configs(void)
4843 {
4844         int i;
4845 
4846         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
4847                 WARN_ON(!valid_testvec_config(
4848                                 &default_cipher_testvec_configs[i]));
4849 
4850         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
4851                 WARN_ON(!valid_testvec_config(
4852                                 &default_hash_testvec_configs[i]));
4853 }
4854 
4855 static void testmgr_onetime_init(void)
4856 {
4857         alg_check_test_descs_order();
4858         alg_check_testvec_configs();
4859 
4860 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
4861         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
4862 #endif
4863 }
4864 
4865 static int alg_find_test(const char *alg)
4866 {
4867         int start = 0;
4868         int end = ARRAY_SIZE(alg_test_descs);
4869 
4870         while (start < end) {
4871                 int i = (start + end) / 2;
4872                 int diff = strcmp(alg_test_descs[i].alg, alg);
4873 
4874                 if (diff > 0) {
4875                         end = i;
4876                         continue;
4877                 }
4878 
4879                 if (diff < 0) {
4880                         start = i + 1;
4881                         continue;
4882                 }
4883 
4884                 return i;
4885         }
4886 
4887         return -1;
4888 }
4889 
4890 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
4891 {
4892         int i;
4893         int j;
4894         int rc;
4895 
4896         if (!fips_enabled && notests) {
4897                 printk_once(KERN_INFO "alg: self-tests disabled\n");
4898                 return 0;
4899         }
4900 
4901         DO_ONCE(testmgr_onetime_init);
4902 
4903         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
4904                 char nalg[CRYPTO_MAX_ALG_NAME];
4905 
4906                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
4907                     sizeof(nalg))
4908                         return -ENAMETOOLONG;
4909 
4910                 i = alg_find_test(nalg);
4911                 if (i < 0)
4912                         goto notest;
4913 
4914                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
4915                         goto non_fips_alg;
4916 
4917                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
4918                 goto test_done;
4919         }
4920 
4921         i = alg_find_test(alg);
4922         j = alg_find_test(driver);
4923         if (i < 0 && j < 0)
4924                 goto notest;
4925 
4926         if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
4927                              (j >= 0 && !alg_test_descs[j].fips_allowed)))
4928                 goto non_fips_alg;
4929 
4930         rc = 0;
4931         if (i >= 0)
4932                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
4933                                              type, mask);
4934         if (j >= 0 && j != i)
4935                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
4936                                              type, mask);
4937 
4938 test_done:
4939         if (rc && (fips_enabled || panic_on_fail))
4940                 panic("alg: self-tests for %s (%s) failed in %s mode!\n",
4941                       driver, alg, fips_enabled ? "fips" : "panic_on_fail");
4942 
4943         if (fips_enabled && !rc)
4944                 pr_info("alg: self-tests for %s (%s) passed\n", driver, alg);
4945 
4946         return rc;
4947 
4948 notest:
4949         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
4950         return 0;
4951 non_fips_alg:
4952         return -EINVAL;
4953 }
4954 
4955 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
4956 
4957 EXPORT_SYMBOL_GPL(alg_test);
4958 

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