xref: /openbmc/linux/crypto/testmgr.c (revision 31e67366)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Algorithm testing framework and tests.
4  *
5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7  * Copyright (c) 2007 Nokia Siemens Networks
8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9  * Copyright (c) 2019 Google LLC
10  *
11  * Updated RFC4106 AES-GCM testing.
12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13  *             Adrian Hoban <adrian.hoban@intel.com>
14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
15  *             Tadeusz Struk (tadeusz.struk@intel.com)
16  *    Copyright (c) 2010, Intel Corporation.
17  */
18 
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38 
39 #include "internal.h"
40 
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42 
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46 
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49 
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54 
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 
59 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
60 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
61 #endif
62 
63 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
64 
65 /* a perfect nop */
66 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
67 {
68 	return 0;
69 }
70 
71 #else
72 
73 #include "testmgr.h"
74 
75 /*
76  * Need slab memory for testing (size in number of pages).
77  */
78 #define XBUFSIZE	8
79 
80 /*
81 * Used by test_cipher()
82 */
83 #define ENCRYPT 1
84 #define DECRYPT 0
85 
86 struct aead_test_suite {
87 	const struct aead_testvec *vecs;
88 	unsigned int count;
89 
90 	/*
91 	 * Set if trying to decrypt an inauthentic ciphertext with this
92 	 * algorithm might result in EINVAL rather than EBADMSG, due to other
93 	 * validation the algorithm does on the inputs such as length checks.
94 	 */
95 	unsigned int einval_allowed : 1;
96 
97 	/*
98 	 * Set if this algorithm requires that the IV be located at the end of
99 	 * the AAD buffer, in addition to being given in the normal way.  The
100 	 * behavior when the two IV copies differ is implementation-defined.
101 	 */
102 	unsigned int aad_iv : 1;
103 };
104 
105 struct cipher_test_suite {
106 	const struct cipher_testvec *vecs;
107 	unsigned int count;
108 };
109 
110 struct comp_test_suite {
111 	struct {
112 		const struct comp_testvec *vecs;
113 		unsigned int count;
114 	} comp, decomp;
115 };
116 
117 struct hash_test_suite {
118 	const struct hash_testvec *vecs;
119 	unsigned int count;
120 };
121 
122 struct cprng_test_suite {
123 	const struct cprng_testvec *vecs;
124 	unsigned int count;
125 };
126 
127 struct drbg_test_suite {
128 	const struct drbg_testvec *vecs;
129 	unsigned int count;
130 };
131 
132 struct akcipher_test_suite {
133 	const struct akcipher_testvec *vecs;
134 	unsigned int count;
135 };
136 
137 struct kpp_test_suite {
138 	const struct kpp_testvec *vecs;
139 	unsigned int count;
140 };
141 
142 struct alg_test_desc {
143 	const char *alg;
144 	const char *generic_driver;
145 	int (*test)(const struct alg_test_desc *desc, const char *driver,
146 		    u32 type, u32 mask);
147 	int fips_allowed;	/* set if alg is allowed in fips mode */
148 
149 	union {
150 		struct aead_test_suite aead;
151 		struct cipher_test_suite cipher;
152 		struct comp_test_suite comp;
153 		struct hash_test_suite hash;
154 		struct cprng_test_suite cprng;
155 		struct drbg_test_suite drbg;
156 		struct akcipher_test_suite akcipher;
157 		struct kpp_test_suite kpp;
158 	} suite;
159 };
160 
161 static void hexdump(unsigned char *buf, unsigned int len)
162 {
163 	print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
164 			16, 1,
165 			buf, len, false);
166 }
167 
168 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
169 {
170 	int i;
171 
172 	for (i = 0; i < XBUFSIZE; i++) {
173 		buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
174 		if (!buf[i])
175 			goto err_free_buf;
176 	}
177 
178 	return 0;
179 
180 err_free_buf:
181 	while (i-- > 0)
182 		free_pages((unsigned long)buf[i], order);
183 
184 	return -ENOMEM;
185 }
186 
187 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
188 {
189 	return __testmgr_alloc_buf(buf, 0);
190 }
191 
192 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
193 {
194 	int i;
195 
196 	for (i = 0; i < XBUFSIZE; i++)
197 		free_pages((unsigned long)buf[i], order);
198 }
199 
200 static void testmgr_free_buf(char *buf[XBUFSIZE])
201 {
202 	__testmgr_free_buf(buf, 0);
203 }
204 
205 #define TESTMGR_POISON_BYTE	0xfe
206 #define TESTMGR_POISON_LEN	16
207 
208 static inline void testmgr_poison(void *addr, size_t len)
209 {
210 	memset(addr, TESTMGR_POISON_BYTE, len);
211 }
212 
213 /* Is the memory region still fully poisoned? */
214 static inline bool testmgr_is_poison(const void *addr, size_t len)
215 {
216 	return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
217 }
218 
219 /* flush type for hash algorithms */
220 enum flush_type {
221 	/* merge with update of previous buffer(s) */
222 	FLUSH_TYPE_NONE = 0,
223 
224 	/* update with previous buffer(s) before doing this one */
225 	FLUSH_TYPE_FLUSH,
226 
227 	/* likewise, but also export and re-import the intermediate state */
228 	FLUSH_TYPE_REIMPORT,
229 };
230 
231 /* finalization function for hash algorithms */
232 enum finalization_type {
233 	FINALIZATION_TYPE_FINAL,	/* use final() */
234 	FINALIZATION_TYPE_FINUP,	/* use finup() */
235 	FINALIZATION_TYPE_DIGEST,	/* use digest() */
236 };
237 
238 #define TEST_SG_TOTAL	10000
239 
240 /**
241  * struct test_sg_division - description of a scatterlist entry
242  *
243  * This struct describes one entry of a scatterlist being constructed to check a
244  * crypto test vector.
245  *
246  * @proportion_of_total: length of this chunk relative to the total length,
247  *			 given as a proportion out of TEST_SG_TOTAL so that it
248  *			 scales to fit any test vector
249  * @offset: byte offset into a 2-page buffer at which this chunk will start
250  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
251  *				  @offset
252  * @flush_type: for hashes, whether an update() should be done now vs.
253  *		continuing to accumulate data
254  * @nosimd: if doing the pending update(), do it with SIMD disabled?
255  */
256 struct test_sg_division {
257 	unsigned int proportion_of_total;
258 	unsigned int offset;
259 	bool offset_relative_to_alignmask;
260 	enum flush_type flush_type;
261 	bool nosimd;
262 };
263 
264 /**
265  * struct testvec_config - configuration for testing a crypto test vector
266  *
267  * This struct describes the data layout and other parameters with which each
268  * crypto test vector can be tested.
269  *
270  * @name: name of this config, logged for debugging purposes if a test fails
271  * @inplace: operate on the data in-place, if applicable for the algorithm type?
272  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
273  * @src_divs: description of how to arrange the source scatterlist
274  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
275  *	      for the algorithm type.  Defaults to @src_divs if unset.
276  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
277  *	       where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
278  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
279  *				     the @iv_offset
280  * @key_offset: misalignment of the key, where 0 is default alignment
281  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
282  *				      the @key_offset
283  * @finalization_type: what finalization function to use for hashes
284  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
285  */
286 struct testvec_config {
287 	const char *name;
288 	bool inplace;
289 	u32 req_flags;
290 	struct test_sg_division src_divs[XBUFSIZE];
291 	struct test_sg_division dst_divs[XBUFSIZE];
292 	unsigned int iv_offset;
293 	unsigned int key_offset;
294 	bool iv_offset_relative_to_alignmask;
295 	bool key_offset_relative_to_alignmask;
296 	enum finalization_type finalization_type;
297 	bool nosimd;
298 };
299 
300 #define TESTVEC_CONFIG_NAMELEN	192
301 
302 /*
303  * The following are the lists of testvec_configs to test for each algorithm
304  * type when the basic crypto self-tests are enabled, i.e. when
305  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
306  * coverage, while keeping the test time much shorter than the full fuzz tests
307  * so that the basic tests can be enabled in a wider range of circumstances.
308  */
309 
310 /* Configs for skciphers and aeads */
311 static const struct testvec_config default_cipher_testvec_configs[] = {
312 	{
313 		.name = "in-place",
314 		.inplace = true,
315 		.src_divs = { { .proportion_of_total = 10000 } },
316 	}, {
317 		.name = "out-of-place",
318 		.src_divs = { { .proportion_of_total = 10000 } },
319 	}, {
320 		.name = "unaligned buffer, offset=1",
321 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
322 		.iv_offset = 1,
323 		.key_offset = 1,
324 	}, {
325 		.name = "buffer aligned only to alignmask",
326 		.src_divs = {
327 			{
328 				.proportion_of_total = 10000,
329 				.offset = 1,
330 				.offset_relative_to_alignmask = true,
331 			},
332 		},
333 		.iv_offset = 1,
334 		.iv_offset_relative_to_alignmask = true,
335 		.key_offset = 1,
336 		.key_offset_relative_to_alignmask = true,
337 	}, {
338 		.name = "two even aligned splits",
339 		.src_divs = {
340 			{ .proportion_of_total = 5000 },
341 			{ .proportion_of_total = 5000 },
342 		},
343 	}, {
344 		.name = "uneven misaligned splits, may sleep",
345 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
346 		.src_divs = {
347 			{ .proportion_of_total = 1900, .offset = 33 },
348 			{ .proportion_of_total = 3300, .offset = 7  },
349 			{ .proportion_of_total = 4800, .offset = 18 },
350 		},
351 		.iv_offset = 3,
352 		.key_offset = 3,
353 	}, {
354 		.name = "misaligned splits crossing pages, inplace",
355 		.inplace = true,
356 		.src_divs = {
357 			{
358 				.proportion_of_total = 7500,
359 				.offset = PAGE_SIZE - 32
360 			}, {
361 				.proportion_of_total = 2500,
362 				.offset = PAGE_SIZE - 7
363 			},
364 		},
365 	}
366 };
367 
368 static const struct testvec_config default_hash_testvec_configs[] = {
369 	{
370 		.name = "init+update+final aligned buffer",
371 		.src_divs = { { .proportion_of_total = 10000 } },
372 		.finalization_type = FINALIZATION_TYPE_FINAL,
373 	}, {
374 		.name = "init+finup aligned buffer",
375 		.src_divs = { { .proportion_of_total = 10000 } },
376 		.finalization_type = FINALIZATION_TYPE_FINUP,
377 	}, {
378 		.name = "digest aligned buffer",
379 		.src_divs = { { .proportion_of_total = 10000 } },
380 		.finalization_type = FINALIZATION_TYPE_DIGEST,
381 	}, {
382 		.name = "init+update+final misaligned buffer",
383 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
384 		.finalization_type = FINALIZATION_TYPE_FINAL,
385 		.key_offset = 1,
386 	}, {
387 		.name = "digest buffer aligned only to alignmask",
388 		.src_divs = {
389 			{
390 				.proportion_of_total = 10000,
391 				.offset = 1,
392 				.offset_relative_to_alignmask = true,
393 			},
394 		},
395 		.finalization_type = FINALIZATION_TYPE_DIGEST,
396 		.key_offset = 1,
397 		.key_offset_relative_to_alignmask = true,
398 	}, {
399 		.name = "init+update+update+final two even splits",
400 		.src_divs = {
401 			{ .proportion_of_total = 5000 },
402 			{
403 				.proportion_of_total = 5000,
404 				.flush_type = FLUSH_TYPE_FLUSH,
405 			},
406 		},
407 		.finalization_type = FINALIZATION_TYPE_FINAL,
408 	}, {
409 		.name = "digest uneven misaligned splits, may sleep",
410 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
411 		.src_divs = {
412 			{ .proportion_of_total = 1900, .offset = 33 },
413 			{ .proportion_of_total = 3300, .offset = 7  },
414 			{ .proportion_of_total = 4800, .offset = 18 },
415 		},
416 		.finalization_type = FINALIZATION_TYPE_DIGEST,
417 	}, {
418 		.name = "digest misaligned splits crossing pages",
419 		.src_divs = {
420 			{
421 				.proportion_of_total = 7500,
422 				.offset = PAGE_SIZE - 32,
423 			}, {
424 				.proportion_of_total = 2500,
425 				.offset = PAGE_SIZE - 7,
426 			},
427 		},
428 		.finalization_type = FINALIZATION_TYPE_DIGEST,
429 	}, {
430 		.name = "import/export",
431 		.src_divs = {
432 			{
433 				.proportion_of_total = 6500,
434 				.flush_type = FLUSH_TYPE_REIMPORT,
435 			}, {
436 				.proportion_of_total = 3500,
437 				.flush_type = FLUSH_TYPE_REIMPORT,
438 			},
439 		},
440 		.finalization_type = FINALIZATION_TYPE_FINAL,
441 	}
442 };
443 
444 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
445 {
446 	unsigned int remaining = TEST_SG_TOTAL;
447 	unsigned int ndivs = 0;
448 
449 	do {
450 		remaining -= divs[ndivs++].proportion_of_total;
451 	} while (remaining);
452 
453 	return ndivs;
454 }
455 
456 #define SGDIVS_HAVE_FLUSHES	BIT(0)
457 #define SGDIVS_HAVE_NOSIMD	BIT(1)
458 
459 static bool valid_sg_divisions(const struct test_sg_division *divs,
460 			       unsigned int count, int *flags_ret)
461 {
462 	unsigned int total = 0;
463 	unsigned int i;
464 
465 	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
466 		if (divs[i].proportion_of_total <= 0 ||
467 		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
468 			return false;
469 		total += divs[i].proportion_of_total;
470 		if (divs[i].flush_type != FLUSH_TYPE_NONE)
471 			*flags_ret |= SGDIVS_HAVE_FLUSHES;
472 		if (divs[i].nosimd)
473 			*flags_ret |= SGDIVS_HAVE_NOSIMD;
474 	}
475 	return total == TEST_SG_TOTAL &&
476 		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
477 }
478 
479 /*
480  * Check whether the given testvec_config is valid.  This isn't strictly needed
481  * since every testvec_config should be valid, but check anyway so that people
482  * don't unknowingly add broken configs that don't do what they wanted.
483  */
484 static bool valid_testvec_config(const struct testvec_config *cfg)
485 {
486 	int flags = 0;
487 
488 	if (cfg->name == NULL)
489 		return false;
490 
491 	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
492 				&flags))
493 		return false;
494 
495 	if (cfg->dst_divs[0].proportion_of_total) {
496 		if (!valid_sg_divisions(cfg->dst_divs,
497 					ARRAY_SIZE(cfg->dst_divs), &flags))
498 			return false;
499 	} else {
500 		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
501 			return false;
502 		/* defaults to dst_divs=src_divs */
503 	}
504 
505 	if (cfg->iv_offset +
506 	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
507 	    MAX_ALGAPI_ALIGNMASK + 1)
508 		return false;
509 
510 	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
511 	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
512 		return false;
513 
514 	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
515 	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
516 		return false;
517 
518 	return true;
519 }
520 
521 struct test_sglist {
522 	char *bufs[XBUFSIZE];
523 	struct scatterlist sgl[XBUFSIZE];
524 	struct scatterlist sgl_saved[XBUFSIZE];
525 	struct scatterlist *sgl_ptr;
526 	unsigned int nents;
527 };
528 
529 static int init_test_sglist(struct test_sglist *tsgl)
530 {
531 	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
532 }
533 
534 static void destroy_test_sglist(struct test_sglist *tsgl)
535 {
536 	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
537 }
538 
539 /**
540  * build_test_sglist() - build a scatterlist for a crypto test
541  *
542  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
543  *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
544  * @divs: the layout specification on which the scatterlist will be based
545  * @alignmask: the algorithm's alignmask
546  * @total_len: the total length of the scatterlist to build in bytes
547  * @data: if non-NULL, the buffers will be filled with this data until it ends.
548  *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
549  *	  past the end of each buffer will be poisoned to help detect overruns.
550  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
551  *	      corresponds will be returned here.  This will match @divs except
552  *	      that divisions resolving to a length of 0 are omitted as they are
553  *	      not included in the scatterlist.
554  *
555  * Return: 0 or a -errno value
556  */
557 static int build_test_sglist(struct test_sglist *tsgl,
558 			     const struct test_sg_division *divs,
559 			     const unsigned int alignmask,
560 			     const unsigned int total_len,
561 			     struct iov_iter *data,
562 			     const struct test_sg_division *out_divs[XBUFSIZE])
563 {
564 	struct {
565 		const struct test_sg_division *div;
566 		size_t length;
567 	} partitions[XBUFSIZE];
568 	const unsigned int ndivs = count_test_sg_divisions(divs);
569 	unsigned int len_remaining = total_len;
570 	unsigned int i;
571 
572 	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
573 	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
574 		return -EINVAL;
575 
576 	/* Calculate the (div, length) pairs */
577 	tsgl->nents = 0;
578 	for (i = 0; i < ndivs; i++) {
579 		unsigned int len_this_sg =
580 			min(len_remaining,
581 			    (total_len * divs[i].proportion_of_total +
582 			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
583 
584 		if (len_this_sg != 0) {
585 			partitions[tsgl->nents].div = &divs[i];
586 			partitions[tsgl->nents].length = len_this_sg;
587 			tsgl->nents++;
588 			len_remaining -= len_this_sg;
589 		}
590 	}
591 	if (tsgl->nents == 0) {
592 		partitions[tsgl->nents].div = &divs[0];
593 		partitions[tsgl->nents].length = 0;
594 		tsgl->nents++;
595 	}
596 	partitions[tsgl->nents - 1].length += len_remaining;
597 
598 	/* Set up the sgl entries and fill the data or poison */
599 	sg_init_table(tsgl->sgl, tsgl->nents);
600 	for (i = 0; i < tsgl->nents; i++) {
601 		unsigned int offset = partitions[i].div->offset;
602 		void *addr;
603 
604 		if (partitions[i].div->offset_relative_to_alignmask)
605 			offset += alignmask;
606 
607 		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
608 		       2 * PAGE_SIZE) {
609 			if (WARN_ON(offset <= 0))
610 				return -EINVAL;
611 			offset /= 2;
612 		}
613 
614 		addr = &tsgl->bufs[i][offset];
615 		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
616 
617 		if (out_divs)
618 			out_divs[i] = partitions[i].div;
619 
620 		if (data) {
621 			size_t copy_len, copied;
622 
623 			copy_len = min(partitions[i].length, data->count);
624 			copied = copy_from_iter(addr, copy_len, data);
625 			if (WARN_ON(copied != copy_len))
626 				return -EINVAL;
627 			testmgr_poison(addr + copy_len, partitions[i].length +
628 				       TESTMGR_POISON_LEN - copy_len);
629 		} else {
630 			testmgr_poison(addr, partitions[i].length +
631 				       TESTMGR_POISON_LEN);
632 		}
633 	}
634 
635 	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
636 	tsgl->sgl_ptr = tsgl->sgl;
637 	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
638 	return 0;
639 }
640 
641 /*
642  * Verify that a scatterlist crypto operation produced the correct output.
643  *
644  * @tsgl: scatterlist containing the actual output
645  * @expected_output: buffer containing the expected output
646  * @len_to_check: length of @expected_output in bytes
647  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
648  * @check_poison: verify that the poison bytes after each chunk are intact?
649  *
650  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
651  */
652 static int verify_correct_output(const struct test_sglist *tsgl,
653 				 const char *expected_output,
654 				 unsigned int len_to_check,
655 				 unsigned int unchecked_prefix_len,
656 				 bool check_poison)
657 {
658 	unsigned int i;
659 
660 	for (i = 0; i < tsgl->nents; i++) {
661 		struct scatterlist *sg = &tsgl->sgl_ptr[i];
662 		unsigned int len = sg->length;
663 		unsigned int offset = sg->offset;
664 		const char *actual_output;
665 
666 		if (unchecked_prefix_len) {
667 			if (unchecked_prefix_len >= len) {
668 				unchecked_prefix_len -= len;
669 				continue;
670 			}
671 			offset += unchecked_prefix_len;
672 			len -= unchecked_prefix_len;
673 			unchecked_prefix_len = 0;
674 		}
675 		len = min(len, len_to_check);
676 		actual_output = page_address(sg_page(sg)) + offset;
677 		if (memcmp(expected_output, actual_output, len) != 0)
678 			return -EINVAL;
679 		if (check_poison &&
680 		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
681 			return -EOVERFLOW;
682 		len_to_check -= len;
683 		expected_output += len;
684 	}
685 	if (WARN_ON(len_to_check != 0))
686 		return -EINVAL;
687 	return 0;
688 }
689 
690 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
691 {
692 	unsigned int i;
693 
694 	for (i = 0; i < tsgl->nents; i++) {
695 		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
696 			return true;
697 		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
698 			return true;
699 		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
700 			return true;
701 	}
702 	return false;
703 }
704 
705 struct cipher_test_sglists {
706 	struct test_sglist src;
707 	struct test_sglist dst;
708 };
709 
710 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
711 {
712 	struct cipher_test_sglists *tsgls;
713 
714 	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
715 	if (!tsgls)
716 		return NULL;
717 
718 	if (init_test_sglist(&tsgls->src) != 0)
719 		goto fail_kfree;
720 	if (init_test_sglist(&tsgls->dst) != 0)
721 		goto fail_destroy_src;
722 
723 	return tsgls;
724 
725 fail_destroy_src:
726 	destroy_test_sglist(&tsgls->src);
727 fail_kfree:
728 	kfree(tsgls);
729 	return NULL;
730 }
731 
732 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
733 {
734 	if (tsgls) {
735 		destroy_test_sglist(&tsgls->src);
736 		destroy_test_sglist(&tsgls->dst);
737 		kfree(tsgls);
738 	}
739 }
740 
741 /* Build the src and dst scatterlists for an skcipher or AEAD test */
742 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
743 				     const struct testvec_config *cfg,
744 				     unsigned int alignmask,
745 				     unsigned int src_total_len,
746 				     unsigned int dst_total_len,
747 				     const struct kvec *inputs,
748 				     unsigned int nr_inputs)
749 {
750 	struct iov_iter input;
751 	int err;
752 
753 	iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
754 	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
755 				cfg->inplace ?
756 					max(dst_total_len, src_total_len) :
757 					src_total_len,
758 				&input, NULL);
759 	if (err)
760 		return err;
761 
762 	if (cfg->inplace) {
763 		tsgls->dst.sgl_ptr = tsgls->src.sgl;
764 		tsgls->dst.nents = tsgls->src.nents;
765 		return 0;
766 	}
767 	return build_test_sglist(&tsgls->dst,
768 				 cfg->dst_divs[0].proportion_of_total ?
769 					cfg->dst_divs : cfg->src_divs,
770 				 alignmask, dst_total_len, NULL, NULL);
771 }
772 
773 /*
774  * Support for testing passing a misaligned key to setkey():
775  *
776  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
777  * optionally adding alignmask.  Else, just use the key directly.
778  */
779 static int prepare_keybuf(const u8 *key, unsigned int ksize,
780 			  const struct testvec_config *cfg,
781 			  unsigned int alignmask,
782 			  const u8 **keybuf_ret, const u8 **keyptr_ret)
783 {
784 	unsigned int key_offset = cfg->key_offset;
785 	u8 *keybuf = NULL, *keyptr = (u8 *)key;
786 
787 	if (key_offset != 0) {
788 		if (cfg->key_offset_relative_to_alignmask)
789 			key_offset += alignmask;
790 		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
791 		if (!keybuf)
792 			return -ENOMEM;
793 		keyptr = keybuf + key_offset;
794 		memcpy(keyptr, key, ksize);
795 	}
796 	*keybuf_ret = keybuf;
797 	*keyptr_ret = keyptr;
798 	return 0;
799 }
800 
801 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
802 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
803 ({									\
804 	const u8 *keybuf, *keyptr;					\
805 	int err;							\
806 									\
807 	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
808 			     &keybuf, &keyptr);				\
809 	if (err == 0) {							\
810 		err = setkey_f((tfm), keyptr, (ksize));			\
811 		kfree(keybuf);						\
812 	}								\
813 	err;								\
814 })
815 
816 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
817 
818 /* Generate a random length in range [0, max_len], but prefer smaller values */
819 static unsigned int generate_random_length(unsigned int max_len)
820 {
821 	unsigned int len = prandom_u32() % (max_len + 1);
822 
823 	switch (prandom_u32() % 4) {
824 	case 0:
825 		return len % 64;
826 	case 1:
827 		return len % 256;
828 	case 2:
829 		return len % 1024;
830 	default:
831 		return len;
832 	}
833 }
834 
835 /* Flip a random bit in the given nonempty data buffer */
836 static void flip_random_bit(u8 *buf, size_t size)
837 {
838 	size_t bitpos;
839 
840 	bitpos = prandom_u32() % (size * 8);
841 	buf[bitpos / 8] ^= 1 << (bitpos % 8);
842 }
843 
844 /* Flip a random byte in the given nonempty data buffer */
845 static void flip_random_byte(u8 *buf, size_t size)
846 {
847 	buf[prandom_u32() % size] ^= 0xff;
848 }
849 
850 /* Sometimes make some random changes to the given nonempty data buffer */
851 static void mutate_buffer(u8 *buf, size_t size)
852 {
853 	size_t num_flips;
854 	size_t i;
855 
856 	/* Sometimes flip some bits */
857 	if (prandom_u32() % 4 == 0) {
858 		num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
859 		for (i = 0; i < num_flips; i++)
860 			flip_random_bit(buf, size);
861 	}
862 
863 	/* Sometimes flip some bytes */
864 	if (prandom_u32() % 4 == 0) {
865 		num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
866 		for (i = 0; i < num_flips; i++)
867 			flip_random_byte(buf, size);
868 	}
869 }
870 
871 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
872 static void generate_random_bytes(u8 *buf, size_t count)
873 {
874 	u8 b;
875 	u8 increment;
876 	size_t i;
877 
878 	if (count == 0)
879 		return;
880 
881 	switch (prandom_u32() % 8) { /* Choose a generation strategy */
882 	case 0:
883 	case 1:
884 		/* All the same byte, plus optional mutations */
885 		switch (prandom_u32() % 4) {
886 		case 0:
887 			b = 0x00;
888 			break;
889 		case 1:
890 			b = 0xff;
891 			break;
892 		default:
893 			b = (u8)prandom_u32();
894 			break;
895 		}
896 		memset(buf, b, count);
897 		mutate_buffer(buf, count);
898 		break;
899 	case 2:
900 		/* Ascending or descending bytes, plus optional mutations */
901 		increment = (u8)prandom_u32();
902 		b = (u8)prandom_u32();
903 		for (i = 0; i < count; i++, b += increment)
904 			buf[i] = b;
905 		mutate_buffer(buf, count);
906 		break;
907 	default:
908 		/* Fully random bytes */
909 		for (i = 0; i < count; i++)
910 			buf[i] = (u8)prandom_u32();
911 	}
912 }
913 
914 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
915 					   size_t max_divs, char *p, char *end,
916 					   bool gen_flushes, u32 req_flags)
917 {
918 	struct test_sg_division *div = divs;
919 	unsigned int remaining = TEST_SG_TOTAL;
920 
921 	do {
922 		unsigned int this_len;
923 		const char *flushtype_str;
924 
925 		if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
926 			this_len = remaining;
927 		else
928 			this_len = 1 + (prandom_u32() % remaining);
929 		div->proportion_of_total = this_len;
930 
931 		if (prandom_u32() % 4 == 0)
932 			div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
933 		else if (prandom_u32() % 2 == 0)
934 			div->offset = prandom_u32() % 32;
935 		else
936 			div->offset = prandom_u32() % PAGE_SIZE;
937 		if (prandom_u32() % 8 == 0)
938 			div->offset_relative_to_alignmask = true;
939 
940 		div->flush_type = FLUSH_TYPE_NONE;
941 		if (gen_flushes) {
942 			switch (prandom_u32() % 4) {
943 			case 0:
944 				div->flush_type = FLUSH_TYPE_REIMPORT;
945 				break;
946 			case 1:
947 				div->flush_type = FLUSH_TYPE_FLUSH;
948 				break;
949 			}
950 		}
951 
952 		if (div->flush_type != FLUSH_TYPE_NONE &&
953 		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
954 		    prandom_u32() % 2 == 0)
955 			div->nosimd = true;
956 
957 		switch (div->flush_type) {
958 		case FLUSH_TYPE_FLUSH:
959 			if (div->nosimd)
960 				flushtype_str = "<flush,nosimd>";
961 			else
962 				flushtype_str = "<flush>";
963 			break;
964 		case FLUSH_TYPE_REIMPORT:
965 			if (div->nosimd)
966 				flushtype_str = "<reimport,nosimd>";
967 			else
968 				flushtype_str = "<reimport>";
969 			break;
970 		default:
971 			flushtype_str = "";
972 			break;
973 		}
974 
975 		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
976 		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
977 			       this_len / 100, this_len % 100,
978 			       div->offset_relative_to_alignmask ?
979 					"alignmask" : "",
980 			       div->offset, this_len == remaining ? "" : ", ");
981 		remaining -= this_len;
982 		div++;
983 	} while (remaining);
984 
985 	return p;
986 }
987 
988 /* Generate a random testvec_config for fuzz testing */
989 static void generate_random_testvec_config(struct testvec_config *cfg,
990 					   char *name, size_t max_namelen)
991 {
992 	char *p = name;
993 	char * const end = name + max_namelen;
994 
995 	memset(cfg, 0, sizeof(*cfg));
996 
997 	cfg->name = name;
998 
999 	p += scnprintf(p, end - p, "random:");
1000 
1001 	if (prandom_u32() % 2 == 0) {
1002 		cfg->inplace = true;
1003 		p += scnprintf(p, end - p, " inplace");
1004 	}
1005 
1006 	if (prandom_u32() % 2 == 0) {
1007 		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1008 		p += scnprintf(p, end - p, " may_sleep");
1009 	}
1010 
1011 	switch (prandom_u32() % 4) {
1012 	case 0:
1013 		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1014 		p += scnprintf(p, end - p, " use_final");
1015 		break;
1016 	case 1:
1017 		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1018 		p += scnprintf(p, end - p, " use_finup");
1019 		break;
1020 	default:
1021 		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1022 		p += scnprintf(p, end - p, " use_digest");
1023 		break;
1024 	}
1025 
1026 	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1027 	    prandom_u32() % 2 == 0) {
1028 		cfg->nosimd = true;
1029 		p += scnprintf(p, end - p, " nosimd");
1030 	}
1031 
1032 	p += scnprintf(p, end - p, " src_divs=[");
1033 	p = generate_random_sgl_divisions(cfg->src_divs,
1034 					  ARRAY_SIZE(cfg->src_divs), p, end,
1035 					  (cfg->finalization_type !=
1036 					   FINALIZATION_TYPE_DIGEST),
1037 					  cfg->req_flags);
1038 	p += scnprintf(p, end - p, "]");
1039 
1040 	if (!cfg->inplace && prandom_u32() % 2 == 0) {
1041 		p += scnprintf(p, end - p, " dst_divs=[");
1042 		p = generate_random_sgl_divisions(cfg->dst_divs,
1043 						  ARRAY_SIZE(cfg->dst_divs),
1044 						  p, end, false,
1045 						  cfg->req_flags);
1046 		p += scnprintf(p, end - p, "]");
1047 	}
1048 
1049 	if (prandom_u32() % 2 == 0) {
1050 		cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1051 		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1052 	}
1053 
1054 	if (prandom_u32() % 2 == 0) {
1055 		cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1056 		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1057 	}
1058 
1059 	WARN_ON_ONCE(!valid_testvec_config(cfg));
1060 }
1061 
1062 static void crypto_disable_simd_for_test(void)
1063 {
1064 	preempt_disable();
1065 	__this_cpu_write(crypto_simd_disabled_for_test, true);
1066 }
1067 
1068 static void crypto_reenable_simd_for_test(void)
1069 {
1070 	__this_cpu_write(crypto_simd_disabled_for_test, false);
1071 	preempt_enable();
1072 }
1073 
1074 /*
1075  * Given an algorithm name, build the name of the generic implementation of that
1076  * algorithm, assuming the usual naming convention.  Specifically, this appends
1077  * "-generic" to every part of the name that is not a template name.  Examples:
1078  *
1079  *	aes => aes-generic
1080  *	cbc(aes) => cbc(aes-generic)
1081  *	cts(cbc(aes)) => cts(cbc(aes-generic))
1082  *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1083  *
1084  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1085  */
1086 static int build_generic_driver_name(const char *algname,
1087 				     char driver_name[CRYPTO_MAX_ALG_NAME])
1088 {
1089 	const char *in = algname;
1090 	char *out = driver_name;
1091 	size_t len = strlen(algname);
1092 
1093 	if (len >= CRYPTO_MAX_ALG_NAME)
1094 		goto too_long;
1095 	do {
1096 		const char *in_saved = in;
1097 
1098 		while (*in && *in != '(' && *in != ')' && *in != ',')
1099 			*out++ = *in++;
1100 		if (*in != '(' && in > in_saved) {
1101 			len += 8;
1102 			if (len >= CRYPTO_MAX_ALG_NAME)
1103 				goto too_long;
1104 			memcpy(out, "-generic", 8);
1105 			out += 8;
1106 		}
1107 	} while ((*out++ = *in++) != '\0');
1108 	return 0;
1109 
1110 too_long:
1111 	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1112 	       algname);
1113 	return -ENAMETOOLONG;
1114 }
1115 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1116 static void crypto_disable_simd_for_test(void)
1117 {
1118 }
1119 
1120 static void crypto_reenable_simd_for_test(void)
1121 {
1122 }
1123 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1124 
1125 static int build_hash_sglist(struct test_sglist *tsgl,
1126 			     const struct hash_testvec *vec,
1127 			     const struct testvec_config *cfg,
1128 			     unsigned int alignmask,
1129 			     const struct test_sg_division *divs[XBUFSIZE])
1130 {
1131 	struct kvec kv;
1132 	struct iov_iter input;
1133 
1134 	kv.iov_base = (void *)vec->plaintext;
1135 	kv.iov_len = vec->psize;
1136 	iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1137 	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1138 				 &input, divs);
1139 }
1140 
1141 static int check_hash_result(const char *type,
1142 			     const u8 *result, unsigned int digestsize,
1143 			     const struct hash_testvec *vec,
1144 			     const char *vec_name,
1145 			     const char *driver,
1146 			     const struct testvec_config *cfg)
1147 {
1148 	if (memcmp(result, vec->digest, digestsize) != 0) {
1149 		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1150 		       type, driver, vec_name, cfg->name);
1151 		return -EINVAL;
1152 	}
1153 	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1154 		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1155 		       type, driver, vec_name, cfg->name);
1156 		return -EOVERFLOW;
1157 	}
1158 	return 0;
1159 }
1160 
1161 static inline int check_shash_op(const char *op, int err,
1162 				 const char *driver, const char *vec_name,
1163 				 const struct testvec_config *cfg)
1164 {
1165 	if (err)
1166 		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1167 		       driver, op, err, vec_name, cfg->name);
1168 	return err;
1169 }
1170 
1171 static inline const void *sg_data(struct scatterlist *sg)
1172 {
1173 	return page_address(sg_page(sg)) + sg->offset;
1174 }
1175 
1176 /* Test one hash test vector in one configuration, using the shash API */
1177 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1178 			      const char *vec_name,
1179 			      const struct testvec_config *cfg,
1180 			      struct shash_desc *desc,
1181 			      struct test_sglist *tsgl,
1182 			      u8 *hashstate)
1183 {
1184 	struct crypto_shash *tfm = desc->tfm;
1185 	const unsigned int alignmask = crypto_shash_alignmask(tfm);
1186 	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1187 	const unsigned int statesize = crypto_shash_statesize(tfm);
1188 	const char *driver = crypto_shash_driver_name(tfm);
1189 	const struct test_sg_division *divs[XBUFSIZE];
1190 	unsigned int i;
1191 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1192 	int err;
1193 
1194 	/* Set the key, if specified */
1195 	if (vec->ksize) {
1196 		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1197 				cfg, alignmask);
1198 		if (err) {
1199 			if (err == vec->setkey_error)
1200 				return 0;
1201 			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1202 			       driver, vec_name, vec->setkey_error, err,
1203 			       crypto_shash_get_flags(tfm));
1204 			return err;
1205 		}
1206 		if (vec->setkey_error) {
1207 			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1208 			       driver, vec_name, vec->setkey_error);
1209 			return -EINVAL;
1210 		}
1211 	}
1212 
1213 	/* Build the scatterlist for the source data */
1214 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1215 	if (err) {
1216 		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1217 		       driver, vec_name, cfg->name);
1218 		return err;
1219 	}
1220 
1221 	/* Do the actual hashing */
1222 
1223 	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1224 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1225 
1226 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1227 	    vec->digest_error) {
1228 		/* Just using digest() */
1229 		if (tsgl->nents != 1)
1230 			return 0;
1231 		if (cfg->nosimd)
1232 			crypto_disable_simd_for_test();
1233 		err = crypto_shash_digest(desc, sg_data(&tsgl->sgl[0]),
1234 					  tsgl->sgl[0].length, result);
1235 		if (cfg->nosimd)
1236 			crypto_reenable_simd_for_test();
1237 		if (err) {
1238 			if (err == vec->digest_error)
1239 				return 0;
1240 			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1241 			       driver, vec_name, vec->digest_error, err,
1242 			       cfg->name);
1243 			return err;
1244 		}
1245 		if (vec->digest_error) {
1246 			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1247 			       driver, vec_name, vec->digest_error, cfg->name);
1248 			return -EINVAL;
1249 		}
1250 		goto result_ready;
1251 	}
1252 
1253 	/* Using init(), zero or more update(), then final() or finup() */
1254 
1255 	if (cfg->nosimd)
1256 		crypto_disable_simd_for_test();
1257 	err = crypto_shash_init(desc);
1258 	if (cfg->nosimd)
1259 		crypto_reenable_simd_for_test();
1260 	err = check_shash_op("init", err, driver, vec_name, cfg);
1261 	if (err)
1262 		return err;
1263 
1264 	for (i = 0; i < tsgl->nents; i++) {
1265 		if (i + 1 == tsgl->nents &&
1266 		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1267 			if (divs[i]->nosimd)
1268 				crypto_disable_simd_for_test();
1269 			err = crypto_shash_finup(desc, sg_data(&tsgl->sgl[i]),
1270 						 tsgl->sgl[i].length, result);
1271 			if (divs[i]->nosimd)
1272 				crypto_reenable_simd_for_test();
1273 			err = check_shash_op("finup", err, driver, vec_name,
1274 					     cfg);
1275 			if (err)
1276 				return err;
1277 			goto result_ready;
1278 		}
1279 		if (divs[i]->nosimd)
1280 			crypto_disable_simd_for_test();
1281 		err = crypto_shash_update(desc, sg_data(&tsgl->sgl[i]),
1282 					  tsgl->sgl[i].length);
1283 		if (divs[i]->nosimd)
1284 			crypto_reenable_simd_for_test();
1285 		err = check_shash_op("update", err, driver, vec_name, cfg);
1286 		if (err)
1287 			return err;
1288 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1289 			/* Test ->export() and ->import() */
1290 			testmgr_poison(hashstate + statesize,
1291 				       TESTMGR_POISON_LEN);
1292 			err = crypto_shash_export(desc, hashstate);
1293 			err = check_shash_op("export", err, driver, vec_name,
1294 					     cfg);
1295 			if (err)
1296 				return err;
1297 			if (!testmgr_is_poison(hashstate + statesize,
1298 					       TESTMGR_POISON_LEN)) {
1299 				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1300 				       driver, vec_name, cfg->name);
1301 				return -EOVERFLOW;
1302 			}
1303 			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1304 			err = crypto_shash_import(desc, hashstate);
1305 			err = check_shash_op("import", err, driver, vec_name,
1306 					     cfg);
1307 			if (err)
1308 				return err;
1309 		}
1310 	}
1311 
1312 	if (cfg->nosimd)
1313 		crypto_disable_simd_for_test();
1314 	err = crypto_shash_final(desc, result);
1315 	if (cfg->nosimd)
1316 		crypto_reenable_simd_for_test();
1317 	err = check_shash_op("final", err, driver, vec_name, cfg);
1318 	if (err)
1319 		return err;
1320 result_ready:
1321 	return check_hash_result("shash", result, digestsize, vec, vec_name,
1322 				 driver, cfg);
1323 }
1324 
1325 static int do_ahash_op(int (*op)(struct ahash_request *req),
1326 		       struct ahash_request *req,
1327 		       struct crypto_wait *wait, bool nosimd)
1328 {
1329 	int err;
1330 
1331 	if (nosimd)
1332 		crypto_disable_simd_for_test();
1333 
1334 	err = op(req);
1335 
1336 	if (nosimd)
1337 		crypto_reenable_simd_for_test();
1338 
1339 	return crypto_wait_req(err, wait);
1340 }
1341 
1342 static int check_nonfinal_ahash_op(const char *op, int err,
1343 				   u8 *result, unsigned int digestsize,
1344 				   const char *driver, const char *vec_name,
1345 				   const struct testvec_config *cfg)
1346 {
1347 	if (err) {
1348 		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1349 		       driver, op, err, vec_name, cfg->name);
1350 		return err;
1351 	}
1352 	if (!testmgr_is_poison(result, digestsize)) {
1353 		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1354 		       driver, op, vec_name, cfg->name);
1355 		return -EINVAL;
1356 	}
1357 	return 0;
1358 }
1359 
1360 /* Test one hash test vector in one configuration, using the ahash API */
1361 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1362 			      const char *vec_name,
1363 			      const struct testvec_config *cfg,
1364 			      struct ahash_request *req,
1365 			      struct test_sglist *tsgl,
1366 			      u8 *hashstate)
1367 {
1368 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1369 	const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1370 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1371 	const unsigned int statesize = crypto_ahash_statesize(tfm);
1372 	const char *driver = crypto_ahash_driver_name(tfm);
1373 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1374 	const struct test_sg_division *divs[XBUFSIZE];
1375 	DECLARE_CRYPTO_WAIT(wait);
1376 	unsigned int i;
1377 	struct scatterlist *pending_sgl;
1378 	unsigned int pending_len;
1379 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1380 	int err;
1381 
1382 	/* Set the key, if specified */
1383 	if (vec->ksize) {
1384 		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1385 				cfg, alignmask);
1386 		if (err) {
1387 			if (err == vec->setkey_error)
1388 				return 0;
1389 			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1390 			       driver, vec_name, vec->setkey_error, err,
1391 			       crypto_ahash_get_flags(tfm));
1392 			return err;
1393 		}
1394 		if (vec->setkey_error) {
1395 			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1396 			       driver, vec_name, vec->setkey_error);
1397 			return -EINVAL;
1398 		}
1399 	}
1400 
1401 	/* Build the scatterlist for the source data */
1402 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1403 	if (err) {
1404 		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1405 		       driver, vec_name, cfg->name);
1406 		return err;
1407 	}
1408 
1409 	/* Do the actual hashing */
1410 
1411 	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1412 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1413 
1414 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1415 	    vec->digest_error) {
1416 		/* Just using digest() */
1417 		ahash_request_set_callback(req, req_flags, crypto_req_done,
1418 					   &wait);
1419 		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1420 		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1421 		if (err) {
1422 			if (err == vec->digest_error)
1423 				return 0;
1424 			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1425 			       driver, vec_name, vec->digest_error, err,
1426 			       cfg->name);
1427 			return err;
1428 		}
1429 		if (vec->digest_error) {
1430 			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1431 			       driver, vec_name, vec->digest_error, cfg->name);
1432 			return -EINVAL;
1433 		}
1434 		goto result_ready;
1435 	}
1436 
1437 	/* Using init(), zero or more update(), then final() or finup() */
1438 
1439 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1440 	ahash_request_set_crypt(req, NULL, result, 0);
1441 	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1442 	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1443 				      driver, vec_name, cfg);
1444 	if (err)
1445 		return err;
1446 
1447 	pending_sgl = NULL;
1448 	pending_len = 0;
1449 	for (i = 0; i < tsgl->nents; i++) {
1450 		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1451 		    pending_sgl != NULL) {
1452 			/* update() with the pending data */
1453 			ahash_request_set_callback(req, req_flags,
1454 						   crypto_req_done, &wait);
1455 			ahash_request_set_crypt(req, pending_sgl, result,
1456 						pending_len);
1457 			err = do_ahash_op(crypto_ahash_update, req, &wait,
1458 					  divs[i]->nosimd);
1459 			err = check_nonfinal_ahash_op("update", err,
1460 						      result, digestsize,
1461 						      driver, vec_name, cfg);
1462 			if (err)
1463 				return err;
1464 			pending_sgl = NULL;
1465 			pending_len = 0;
1466 		}
1467 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1468 			/* Test ->export() and ->import() */
1469 			testmgr_poison(hashstate + statesize,
1470 				       TESTMGR_POISON_LEN);
1471 			err = crypto_ahash_export(req, hashstate);
1472 			err = check_nonfinal_ahash_op("export", err,
1473 						      result, digestsize,
1474 						      driver, vec_name, cfg);
1475 			if (err)
1476 				return err;
1477 			if (!testmgr_is_poison(hashstate + statesize,
1478 					       TESTMGR_POISON_LEN)) {
1479 				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1480 				       driver, vec_name, cfg->name);
1481 				return -EOVERFLOW;
1482 			}
1483 
1484 			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1485 			err = crypto_ahash_import(req, hashstate);
1486 			err = check_nonfinal_ahash_op("import", err,
1487 						      result, digestsize,
1488 						      driver, vec_name, cfg);
1489 			if (err)
1490 				return err;
1491 		}
1492 		if (pending_sgl == NULL)
1493 			pending_sgl = &tsgl->sgl[i];
1494 		pending_len += tsgl->sgl[i].length;
1495 	}
1496 
1497 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1498 	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1499 	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1500 		/* finish with update() and final() */
1501 		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1502 		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1503 					      driver, vec_name, cfg);
1504 		if (err)
1505 			return err;
1506 		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1507 		if (err) {
1508 			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1509 			       driver, err, vec_name, cfg->name);
1510 			return err;
1511 		}
1512 	} else {
1513 		/* finish with finup() */
1514 		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1515 		if (err) {
1516 			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1517 			       driver, err, vec_name, cfg->name);
1518 			return err;
1519 		}
1520 	}
1521 
1522 result_ready:
1523 	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1524 				 driver, cfg);
1525 }
1526 
1527 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1528 			     const char *vec_name,
1529 			     const struct testvec_config *cfg,
1530 			     struct ahash_request *req,
1531 			     struct shash_desc *desc,
1532 			     struct test_sglist *tsgl,
1533 			     u8 *hashstate)
1534 {
1535 	int err;
1536 
1537 	/*
1538 	 * For algorithms implemented as "shash", most bugs will be detected by
1539 	 * both the shash and ahash tests.  Test the shash API first so that the
1540 	 * failures involve less indirection, so are easier to debug.
1541 	 */
1542 
1543 	if (desc) {
1544 		err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1545 					 hashstate);
1546 		if (err)
1547 			return err;
1548 	}
1549 
1550 	return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1551 }
1552 
1553 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1554 			 struct ahash_request *req, struct shash_desc *desc,
1555 			 struct test_sglist *tsgl, u8 *hashstate)
1556 {
1557 	char vec_name[16];
1558 	unsigned int i;
1559 	int err;
1560 
1561 	sprintf(vec_name, "%u", vec_num);
1562 
1563 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1564 		err = test_hash_vec_cfg(vec, vec_name,
1565 					&default_hash_testvec_configs[i],
1566 					req, desc, tsgl, hashstate);
1567 		if (err)
1568 			return err;
1569 	}
1570 
1571 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1572 	if (!noextratests) {
1573 		struct testvec_config cfg;
1574 		char cfgname[TESTVEC_CONFIG_NAMELEN];
1575 
1576 		for (i = 0; i < fuzz_iterations; i++) {
1577 			generate_random_testvec_config(&cfg, cfgname,
1578 						       sizeof(cfgname));
1579 			err = test_hash_vec_cfg(vec, vec_name, &cfg,
1580 						req, desc, tsgl, hashstate);
1581 			if (err)
1582 				return err;
1583 			cond_resched();
1584 		}
1585 	}
1586 #endif
1587 	return 0;
1588 }
1589 
1590 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1591 /*
1592  * Generate a hash test vector from the given implementation.
1593  * Assumes the buffers in 'vec' were already allocated.
1594  */
1595 static void generate_random_hash_testvec(struct shash_desc *desc,
1596 					 struct hash_testvec *vec,
1597 					 unsigned int maxkeysize,
1598 					 unsigned int maxdatasize,
1599 					 char *name, size_t max_namelen)
1600 {
1601 	/* Data */
1602 	vec->psize = generate_random_length(maxdatasize);
1603 	generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1604 
1605 	/*
1606 	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1607 	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1608 	 */
1609 	vec->setkey_error = 0;
1610 	vec->ksize = 0;
1611 	if (maxkeysize) {
1612 		vec->ksize = maxkeysize;
1613 		if (prandom_u32() % 4 == 0)
1614 			vec->ksize = 1 + (prandom_u32() % maxkeysize);
1615 		generate_random_bytes((u8 *)vec->key, vec->ksize);
1616 
1617 		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1618 							vec->ksize);
1619 		/* If the key couldn't be set, no need to continue to digest. */
1620 		if (vec->setkey_error)
1621 			goto done;
1622 	}
1623 
1624 	/* Digest */
1625 	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1626 						vec->psize, (u8 *)vec->digest);
1627 done:
1628 	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1629 		 vec->psize, vec->ksize);
1630 }
1631 
1632 /*
1633  * Test the hash algorithm represented by @req against the corresponding generic
1634  * implementation, if one is available.
1635  */
1636 static int test_hash_vs_generic_impl(const char *generic_driver,
1637 				     unsigned int maxkeysize,
1638 				     struct ahash_request *req,
1639 				     struct shash_desc *desc,
1640 				     struct test_sglist *tsgl,
1641 				     u8 *hashstate)
1642 {
1643 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1644 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1645 	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1646 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1647 	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1648 	const char *driver = crypto_ahash_driver_name(tfm);
1649 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1650 	struct crypto_shash *generic_tfm = NULL;
1651 	struct shash_desc *generic_desc = NULL;
1652 	unsigned int i;
1653 	struct hash_testvec vec = { 0 };
1654 	char vec_name[64];
1655 	struct testvec_config *cfg;
1656 	char cfgname[TESTVEC_CONFIG_NAMELEN];
1657 	int err;
1658 
1659 	if (noextratests)
1660 		return 0;
1661 
1662 	if (!generic_driver) { /* Use default naming convention? */
1663 		err = build_generic_driver_name(algname, _generic_driver);
1664 		if (err)
1665 			return err;
1666 		generic_driver = _generic_driver;
1667 	}
1668 
1669 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1670 		return 0;
1671 
1672 	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1673 	if (IS_ERR(generic_tfm)) {
1674 		err = PTR_ERR(generic_tfm);
1675 		if (err == -ENOENT) {
1676 			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1677 				driver, generic_driver);
1678 			return 0;
1679 		}
1680 		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1681 		       generic_driver, algname, err);
1682 		return err;
1683 	}
1684 
1685 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1686 	if (!cfg) {
1687 		err = -ENOMEM;
1688 		goto out;
1689 	}
1690 
1691 	generic_desc = kzalloc(sizeof(*desc) +
1692 			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1693 	if (!generic_desc) {
1694 		err = -ENOMEM;
1695 		goto out;
1696 	}
1697 	generic_desc->tfm = generic_tfm;
1698 
1699 	/* Check the algorithm properties for consistency. */
1700 
1701 	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1702 		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1703 		       driver, digestsize,
1704 		       crypto_shash_digestsize(generic_tfm));
1705 		err = -EINVAL;
1706 		goto out;
1707 	}
1708 
1709 	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1710 		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1711 		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1712 		err = -EINVAL;
1713 		goto out;
1714 	}
1715 
1716 	/*
1717 	 * Now generate test vectors using the generic implementation, and test
1718 	 * the other implementation against them.
1719 	 */
1720 
1721 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1722 	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1723 	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1724 	if (!vec.key || !vec.plaintext || !vec.digest) {
1725 		err = -ENOMEM;
1726 		goto out;
1727 	}
1728 
1729 	for (i = 0; i < fuzz_iterations * 8; i++) {
1730 		generate_random_hash_testvec(generic_desc, &vec,
1731 					     maxkeysize, maxdatasize,
1732 					     vec_name, sizeof(vec_name));
1733 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1734 
1735 		err = test_hash_vec_cfg(&vec, vec_name, cfg,
1736 					req, desc, tsgl, hashstate);
1737 		if (err)
1738 			goto out;
1739 		cond_resched();
1740 	}
1741 	err = 0;
1742 out:
1743 	kfree(cfg);
1744 	kfree(vec.key);
1745 	kfree(vec.plaintext);
1746 	kfree(vec.digest);
1747 	crypto_free_shash(generic_tfm);
1748 	kfree_sensitive(generic_desc);
1749 	return err;
1750 }
1751 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1752 static int test_hash_vs_generic_impl(const char *generic_driver,
1753 				     unsigned int maxkeysize,
1754 				     struct ahash_request *req,
1755 				     struct shash_desc *desc,
1756 				     struct test_sglist *tsgl,
1757 				     u8 *hashstate)
1758 {
1759 	return 0;
1760 }
1761 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1762 
1763 static int alloc_shash(const char *driver, u32 type, u32 mask,
1764 		       struct crypto_shash **tfm_ret,
1765 		       struct shash_desc **desc_ret)
1766 {
1767 	struct crypto_shash *tfm;
1768 	struct shash_desc *desc;
1769 
1770 	tfm = crypto_alloc_shash(driver, type, mask);
1771 	if (IS_ERR(tfm)) {
1772 		if (PTR_ERR(tfm) == -ENOENT) {
1773 			/*
1774 			 * This algorithm is only available through the ahash
1775 			 * API, not the shash API, so skip the shash tests.
1776 			 */
1777 			return 0;
1778 		}
1779 		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1780 		       driver, PTR_ERR(tfm));
1781 		return PTR_ERR(tfm);
1782 	}
1783 
1784 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1785 	if (!desc) {
1786 		crypto_free_shash(tfm);
1787 		return -ENOMEM;
1788 	}
1789 	desc->tfm = tfm;
1790 
1791 	*tfm_ret = tfm;
1792 	*desc_ret = desc;
1793 	return 0;
1794 }
1795 
1796 static int __alg_test_hash(const struct hash_testvec *vecs,
1797 			   unsigned int num_vecs, const char *driver,
1798 			   u32 type, u32 mask,
1799 			   const char *generic_driver, unsigned int maxkeysize)
1800 {
1801 	struct crypto_ahash *atfm = NULL;
1802 	struct ahash_request *req = NULL;
1803 	struct crypto_shash *stfm = NULL;
1804 	struct shash_desc *desc = NULL;
1805 	struct test_sglist *tsgl = NULL;
1806 	u8 *hashstate = NULL;
1807 	unsigned int statesize;
1808 	unsigned int i;
1809 	int err;
1810 
1811 	/*
1812 	 * Always test the ahash API.  This works regardless of whether the
1813 	 * algorithm is implemented as ahash or shash.
1814 	 */
1815 
1816 	atfm = crypto_alloc_ahash(driver, type, mask);
1817 	if (IS_ERR(atfm)) {
1818 		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1819 		       driver, PTR_ERR(atfm));
1820 		return PTR_ERR(atfm);
1821 	}
1822 	driver = crypto_ahash_driver_name(atfm);
1823 
1824 	req = ahash_request_alloc(atfm, GFP_KERNEL);
1825 	if (!req) {
1826 		pr_err("alg: hash: failed to allocate request for %s\n",
1827 		       driver);
1828 		err = -ENOMEM;
1829 		goto out;
1830 	}
1831 
1832 	/*
1833 	 * If available also test the shash API, to cover corner cases that may
1834 	 * be missed by testing the ahash API only.
1835 	 */
1836 	err = alloc_shash(driver, type, mask, &stfm, &desc);
1837 	if (err)
1838 		goto out;
1839 
1840 	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1841 	if (!tsgl || init_test_sglist(tsgl) != 0) {
1842 		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1843 		       driver);
1844 		kfree(tsgl);
1845 		tsgl = NULL;
1846 		err = -ENOMEM;
1847 		goto out;
1848 	}
1849 
1850 	statesize = crypto_ahash_statesize(atfm);
1851 	if (stfm)
1852 		statesize = max(statesize, crypto_shash_statesize(stfm));
1853 	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1854 	if (!hashstate) {
1855 		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1856 		       driver);
1857 		err = -ENOMEM;
1858 		goto out;
1859 	}
1860 
1861 	for (i = 0; i < num_vecs; i++) {
1862 		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1863 		if (err)
1864 			goto out;
1865 		cond_resched();
1866 	}
1867 	err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1868 					desc, tsgl, hashstate);
1869 out:
1870 	kfree(hashstate);
1871 	if (tsgl) {
1872 		destroy_test_sglist(tsgl);
1873 		kfree(tsgl);
1874 	}
1875 	kfree(desc);
1876 	crypto_free_shash(stfm);
1877 	ahash_request_free(req);
1878 	crypto_free_ahash(atfm);
1879 	return err;
1880 }
1881 
1882 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1883 			 u32 type, u32 mask)
1884 {
1885 	const struct hash_testvec *template = desc->suite.hash.vecs;
1886 	unsigned int tcount = desc->suite.hash.count;
1887 	unsigned int nr_unkeyed, nr_keyed;
1888 	unsigned int maxkeysize = 0;
1889 	int err;
1890 
1891 	/*
1892 	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1893 	 * first, before setting a key on the tfm.  To make this easier, we
1894 	 * require that the unkeyed test vectors (if any) are listed first.
1895 	 */
1896 
1897 	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1898 		if (template[nr_unkeyed].ksize)
1899 			break;
1900 	}
1901 	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1902 		if (!template[nr_unkeyed + nr_keyed].ksize) {
1903 			pr_err("alg: hash: test vectors for %s out of order, "
1904 			       "unkeyed ones must come first\n", desc->alg);
1905 			return -EINVAL;
1906 		}
1907 		maxkeysize = max_t(unsigned int, maxkeysize,
1908 				   template[nr_unkeyed + nr_keyed].ksize);
1909 	}
1910 
1911 	err = 0;
1912 	if (nr_unkeyed) {
1913 		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1914 				      desc->generic_driver, maxkeysize);
1915 		template += nr_unkeyed;
1916 	}
1917 
1918 	if (!err && nr_keyed)
1919 		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1920 				      desc->generic_driver, maxkeysize);
1921 
1922 	return err;
1923 }
1924 
1925 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1926 			     const char *vec_name,
1927 			     const struct testvec_config *cfg,
1928 			     struct aead_request *req,
1929 			     struct cipher_test_sglists *tsgls)
1930 {
1931 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1932 	const unsigned int alignmask = crypto_aead_alignmask(tfm);
1933 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
1934 	const unsigned int authsize = vec->clen - vec->plen;
1935 	const char *driver = crypto_aead_driver_name(tfm);
1936 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1937 	const char *op = enc ? "encryption" : "decryption";
1938 	DECLARE_CRYPTO_WAIT(wait);
1939 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1940 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1941 		 cfg->iv_offset +
1942 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1943 	struct kvec input[2];
1944 	int err;
1945 
1946 	/* Set the key */
1947 	if (vec->wk)
1948 		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1949 	else
1950 		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1951 
1952 	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1953 			cfg, alignmask);
1954 	if (err && err != vec->setkey_error) {
1955 		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1956 		       driver, vec_name, vec->setkey_error, err,
1957 		       crypto_aead_get_flags(tfm));
1958 		return err;
1959 	}
1960 	if (!err && vec->setkey_error) {
1961 		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1962 		       driver, vec_name, vec->setkey_error);
1963 		return -EINVAL;
1964 	}
1965 
1966 	/* Set the authentication tag size */
1967 	err = crypto_aead_setauthsize(tfm, authsize);
1968 	if (err && err != vec->setauthsize_error) {
1969 		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1970 		       driver, vec_name, vec->setauthsize_error, err);
1971 		return err;
1972 	}
1973 	if (!err && vec->setauthsize_error) {
1974 		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1975 		       driver, vec_name, vec->setauthsize_error);
1976 		return -EINVAL;
1977 	}
1978 
1979 	if (vec->setkey_error || vec->setauthsize_error)
1980 		return 0;
1981 
1982 	/* The IV must be copied to a buffer, as the algorithm may modify it */
1983 	if (WARN_ON(ivsize > MAX_IVLEN))
1984 		return -EINVAL;
1985 	if (vec->iv)
1986 		memcpy(iv, vec->iv, ivsize);
1987 	else
1988 		memset(iv, 0, ivsize);
1989 
1990 	/* Build the src/dst scatterlists */
1991 	input[0].iov_base = (void *)vec->assoc;
1992 	input[0].iov_len = vec->alen;
1993 	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1994 	input[1].iov_len = enc ? vec->plen : vec->clen;
1995 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
1996 					vec->alen + (enc ? vec->plen :
1997 						     vec->clen),
1998 					vec->alen + (enc ? vec->clen :
1999 						     vec->plen),
2000 					input, 2);
2001 	if (err) {
2002 		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2003 		       driver, op, vec_name, cfg->name);
2004 		return err;
2005 	}
2006 
2007 	/* Do the actual encryption or decryption */
2008 	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2009 	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2010 	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2011 			       enc ? vec->plen : vec->clen, iv);
2012 	aead_request_set_ad(req, vec->alen);
2013 	if (cfg->nosimd)
2014 		crypto_disable_simd_for_test();
2015 	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2016 	if (cfg->nosimd)
2017 		crypto_reenable_simd_for_test();
2018 	err = crypto_wait_req(err, &wait);
2019 
2020 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2021 	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2022 	    req->assoclen != vec->alen ||
2023 	    req->iv != iv ||
2024 	    req->src != tsgls->src.sgl_ptr ||
2025 	    req->dst != tsgls->dst.sgl_ptr ||
2026 	    crypto_aead_reqtfm(req) != tfm ||
2027 	    req->base.complete != crypto_req_done ||
2028 	    req->base.flags != req_flags ||
2029 	    req->base.data != &wait) {
2030 		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2031 		       driver, op, vec_name, cfg->name);
2032 		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2033 			pr_err("alg: aead: changed 'req->cryptlen'\n");
2034 		if (req->assoclen != vec->alen)
2035 			pr_err("alg: aead: changed 'req->assoclen'\n");
2036 		if (req->iv != iv)
2037 			pr_err("alg: aead: changed 'req->iv'\n");
2038 		if (req->src != tsgls->src.sgl_ptr)
2039 			pr_err("alg: aead: changed 'req->src'\n");
2040 		if (req->dst != tsgls->dst.sgl_ptr)
2041 			pr_err("alg: aead: changed 'req->dst'\n");
2042 		if (crypto_aead_reqtfm(req) != tfm)
2043 			pr_err("alg: aead: changed 'req->base.tfm'\n");
2044 		if (req->base.complete != crypto_req_done)
2045 			pr_err("alg: aead: changed 'req->base.complete'\n");
2046 		if (req->base.flags != req_flags)
2047 			pr_err("alg: aead: changed 'req->base.flags'\n");
2048 		if (req->base.data != &wait)
2049 			pr_err("alg: aead: changed 'req->base.data'\n");
2050 		return -EINVAL;
2051 	}
2052 	if (is_test_sglist_corrupted(&tsgls->src)) {
2053 		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2054 		       driver, op, vec_name, cfg->name);
2055 		return -EINVAL;
2056 	}
2057 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2058 	    is_test_sglist_corrupted(&tsgls->dst)) {
2059 		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2060 		       driver, op, vec_name, cfg->name);
2061 		return -EINVAL;
2062 	}
2063 
2064 	/* Check for unexpected success or failure, or wrong error code */
2065 	if ((err == 0 && vec->novrfy) ||
2066 	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2067 		char expected_error[32];
2068 
2069 		if (vec->novrfy &&
2070 		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2071 			sprintf(expected_error, "-EBADMSG or %d",
2072 				vec->crypt_error);
2073 		else if (vec->novrfy)
2074 			sprintf(expected_error, "-EBADMSG");
2075 		else
2076 			sprintf(expected_error, "%d", vec->crypt_error);
2077 		if (err) {
2078 			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2079 			       driver, op, vec_name, expected_error, err,
2080 			       cfg->name);
2081 			return err;
2082 		}
2083 		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2084 		       driver, op, vec_name, expected_error, cfg->name);
2085 		return -EINVAL;
2086 	}
2087 	if (err) /* Expectedly failed. */
2088 		return 0;
2089 
2090 	/* Check for the correct output (ciphertext or plaintext) */
2091 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2092 				    enc ? vec->clen : vec->plen,
2093 				    vec->alen, enc || !cfg->inplace);
2094 	if (err == -EOVERFLOW) {
2095 		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2096 		       driver, op, vec_name, cfg->name);
2097 		return err;
2098 	}
2099 	if (err) {
2100 		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2101 		       driver, op, vec_name, cfg->name);
2102 		return err;
2103 	}
2104 
2105 	return 0;
2106 }
2107 
2108 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2109 			 unsigned int vec_num, struct aead_request *req,
2110 			 struct cipher_test_sglists *tsgls)
2111 {
2112 	char vec_name[16];
2113 	unsigned int i;
2114 	int err;
2115 
2116 	if (enc && vec->novrfy)
2117 		return 0;
2118 
2119 	sprintf(vec_name, "%u", vec_num);
2120 
2121 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2122 		err = test_aead_vec_cfg(enc, vec, vec_name,
2123 					&default_cipher_testvec_configs[i],
2124 					req, tsgls);
2125 		if (err)
2126 			return err;
2127 	}
2128 
2129 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2130 	if (!noextratests) {
2131 		struct testvec_config cfg;
2132 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2133 
2134 		for (i = 0; i < fuzz_iterations; i++) {
2135 			generate_random_testvec_config(&cfg, cfgname,
2136 						       sizeof(cfgname));
2137 			err = test_aead_vec_cfg(enc, vec, vec_name,
2138 						&cfg, req, tsgls);
2139 			if (err)
2140 				return err;
2141 			cond_resched();
2142 		}
2143 	}
2144 #endif
2145 	return 0;
2146 }
2147 
2148 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2149 
2150 struct aead_extra_tests_ctx {
2151 	struct aead_request *req;
2152 	struct crypto_aead *tfm;
2153 	const struct alg_test_desc *test_desc;
2154 	struct cipher_test_sglists *tsgls;
2155 	unsigned int maxdatasize;
2156 	unsigned int maxkeysize;
2157 
2158 	struct aead_testvec vec;
2159 	char vec_name[64];
2160 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2161 	struct testvec_config cfg;
2162 };
2163 
2164 /*
2165  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2166  * here means the full ciphertext including the authentication tag.  The
2167  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2168  */
2169 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2170 				unsigned int ivsize)
2171 {
2172 	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2173 	const unsigned int authsize = vec->clen - vec->plen;
2174 
2175 	if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2176 		 /* Mutate the AAD */
2177 		flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2178 		if (prandom_u32() % 2 == 0)
2179 			return;
2180 	}
2181 	if (prandom_u32() % 2 == 0) {
2182 		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2183 		flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2184 	} else {
2185 		/* Mutate any part of the ciphertext */
2186 		flip_random_bit((u8 *)vec->ctext, vec->clen);
2187 	}
2188 }
2189 
2190 /*
2191  * Minimum authentication tag size in bytes at which we assume that we can
2192  * reliably generate inauthentic messages, i.e. not generate an authentic
2193  * message by chance.
2194  */
2195 #define MIN_COLLISION_FREE_AUTHSIZE 8
2196 
2197 static void generate_aead_message(struct aead_request *req,
2198 				  const struct aead_test_suite *suite,
2199 				  struct aead_testvec *vec,
2200 				  bool prefer_inauthentic)
2201 {
2202 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2203 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2204 	const unsigned int authsize = vec->clen - vec->plen;
2205 	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2206 				 (prefer_inauthentic || prandom_u32() % 4 == 0);
2207 
2208 	/* Generate the AAD. */
2209 	generate_random_bytes((u8 *)vec->assoc, vec->alen);
2210 	if (suite->aad_iv && vec->alen >= ivsize)
2211 		/* Avoid implementation-defined behavior. */
2212 		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2213 
2214 	if (inauthentic && prandom_u32() % 2 == 0) {
2215 		/* Generate a random ciphertext. */
2216 		generate_random_bytes((u8 *)vec->ctext, vec->clen);
2217 	} else {
2218 		int i = 0;
2219 		struct scatterlist src[2], dst;
2220 		u8 iv[MAX_IVLEN];
2221 		DECLARE_CRYPTO_WAIT(wait);
2222 
2223 		/* Generate a random plaintext and encrypt it. */
2224 		sg_init_table(src, 2);
2225 		if (vec->alen)
2226 			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2227 		if (vec->plen) {
2228 			generate_random_bytes((u8 *)vec->ptext, vec->plen);
2229 			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2230 		}
2231 		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2232 		memcpy(iv, vec->iv, ivsize);
2233 		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2234 		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2235 		aead_request_set_ad(req, vec->alen);
2236 		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2237 						   &wait);
2238 		/* If encryption failed, we're done. */
2239 		if (vec->crypt_error != 0)
2240 			return;
2241 		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2242 		if (!inauthentic)
2243 			return;
2244 		/*
2245 		 * Mutate the authentic (ciphertext, AAD) pair to get an
2246 		 * inauthentic one.
2247 		 */
2248 		mutate_aead_message(vec, suite->aad_iv, ivsize);
2249 	}
2250 	vec->novrfy = 1;
2251 	if (suite->einval_allowed)
2252 		vec->crypt_error = -EINVAL;
2253 }
2254 
2255 /*
2256  * Generate an AEAD test vector 'vec' using the implementation specified by
2257  * 'req'.  The buffers in 'vec' must already be allocated.
2258  *
2259  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2260  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2261  */
2262 static void generate_random_aead_testvec(struct aead_request *req,
2263 					 struct aead_testvec *vec,
2264 					 const struct aead_test_suite *suite,
2265 					 unsigned int maxkeysize,
2266 					 unsigned int maxdatasize,
2267 					 char *name, size_t max_namelen,
2268 					 bool prefer_inauthentic)
2269 {
2270 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2271 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2272 	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2273 	unsigned int authsize;
2274 	unsigned int total_len;
2275 
2276 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2277 	vec->klen = maxkeysize;
2278 	if (prandom_u32() % 4 == 0)
2279 		vec->klen = prandom_u32() % (maxkeysize + 1);
2280 	generate_random_bytes((u8 *)vec->key, vec->klen);
2281 	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2282 
2283 	/* IV */
2284 	generate_random_bytes((u8 *)vec->iv, ivsize);
2285 
2286 	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2287 	authsize = maxauthsize;
2288 	if (prandom_u32() % 4 == 0)
2289 		authsize = prandom_u32() % (maxauthsize + 1);
2290 	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2291 		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2292 	if (WARN_ON(authsize > maxdatasize))
2293 		authsize = maxdatasize;
2294 	maxdatasize -= authsize;
2295 	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2296 
2297 	/* AAD, plaintext, and ciphertext lengths */
2298 	total_len = generate_random_length(maxdatasize);
2299 	if (prandom_u32() % 4 == 0)
2300 		vec->alen = 0;
2301 	else
2302 		vec->alen = generate_random_length(total_len);
2303 	vec->plen = total_len - vec->alen;
2304 	vec->clen = vec->plen + authsize;
2305 
2306 	/*
2307 	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2308 	 * key or the authentication tag size couldn't be set.
2309 	 */
2310 	vec->novrfy = 0;
2311 	vec->crypt_error = 0;
2312 	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2313 		generate_aead_message(req, suite, vec, prefer_inauthentic);
2314 	snprintf(name, max_namelen,
2315 		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2316 		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2317 }
2318 
2319 static void try_to_generate_inauthentic_testvec(
2320 					struct aead_extra_tests_ctx *ctx)
2321 {
2322 	int i;
2323 
2324 	for (i = 0; i < 10; i++) {
2325 		generate_random_aead_testvec(ctx->req, &ctx->vec,
2326 					     &ctx->test_desc->suite.aead,
2327 					     ctx->maxkeysize, ctx->maxdatasize,
2328 					     ctx->vec_name,
2329 					     sizeof(ctx->vec_name), true);
2330 		if (ctx->vec.novrfy)
2331 			return;
2332 	}
2333 }
2334 
2335 /*
2336  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2337  * result of an encryption with the key) and verify that decryption fails.
2338  */
2339 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2340 {
2341 	unsigned int i;
2342 	int err;
2343 
2344 	for (i = 0; i < fuzz_iterations * 8; i++) {
2345 		/*
2346 		 * Since this part of the tests isn't comparing the
2347 		 * implementation to another, there's no point in testing any
2348 		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2349 		 *
2350 		 * If we're having trouble generating such a test vector, e.g.
2351 		 * if the algorithm keeps rejecting the generated keys, don't
2352 		 * retry forever; just continue on.
2353 		 */
2354 		try_to_generate_inauthentic_testvec(ctx);
2355 		if (ctx->vec.novrfy) {
2356 			generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2357 						       sizeof(ctx->cfgname));
2358 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2359 						ctx->vec_name, &ctx->cfg,
2360 						ctx->req, ctx->tsgls);
2361 			if (err)
2362 				return err;
2363 		}
2364 		cond_resched();
2365 	}
2366 	return 0;
2367 }
2368 
2369 /*
2370  * Test the AEAD algorithm against the corresponding generic implementation, if
2371  * one is available.
2372  */
2373 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2374 {
2375 	struct crypto_aead *tfm = ctx->tfm;
2376 	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2377 	const char *driver = crypto_aead_driver_name(tfm);
2378 	const char *generic_driver = ctx->test_desc->generic_driver;
2379 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2380 	struct crypto_aead *generic_tfm = NULL;
2381 	struct aead_request *generic_req = NULL;
2382 	unsigned int i;
2383 	int err;
2384 
2385 	if (!generic_driver) { /* Use default naming convention? */
2386 		err = build_generic_driver_name(algname, _generic_driver);
2387 		if (err)
2388 			return err;
2389 		generic_driver = _generic_driver;
2390 	}
2391 
2392 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2393 		return 0;
2394 
2395 	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2396 	if (IS_ERR(generic_tfm)) {
2397 		err = PTR_ERR(generic_tfm);
2398 		if (err == -ENOENT) {
2399 			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2400 				driver, generic_driver);
2401 			return 0;
2402 		}
2403 		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2404 		       generic_driver, algname, err);
2405 		return err;
2406 	}
2407 
2408 	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2409 	if (!generic_req) {
2410 		err = -ENOMEM;
2411 		goto out;
2412 	}
2413 
2414 	/* Check the algorithm properties for consistency. */
2415 
2416 	if (crypto_aead_maxauthsize(tfm) !=
2417 	    crypto_aead_maxauthsize(generic_tfm)) {
2418 		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2419 		       driver, crypto_aead_maxauthsize(tfm),
2420 		       crypto_aead_maxauthsize(generic_tfm));
2421 		err = -EINVAL;
2422 		goto out;
2423 	}
2424 
2425 	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2426 		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2427 		       driver, crypto_aead_ivsize(tfm),
2428 		       crypto_aead_ivsize(generic_tfm));
2429 		err = -EINVAL;
2430 		goto out;
2431 	}
2432 
2433 	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2434 		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2435 		       driver, crypto_aead_blocksize(tfm),
2436 		       crypto_aead_blocksize(generic_tfm));
2437 		err = -EINVAL;
2438 		goto out;
2439 	}
2440 
2441 	/*
2442 	 * Now generate test vectors using the generic implementation, and test
2443 	 * the other implementation against them.
2444 	 */
2445 	for (i = 0; i < fuzz_iterations * 8; i++) {
2446 		generate_random_aead_testvec(generic_req, &ctx->vec,
2447 					     &ctx->test_desc->suite.aead,
2448 					     ctx->maxkeysize, ctx->maxdatasize,
2449 					     ctx->vec_name,
2450 					     sizeof(ctx->vec_name), false);
2451 		generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2452 					       sizeof(ctx->cfgname));
2453 		if (!ctx->vec.novrfy) {
2454 			err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2455 						ctx->vec_name, &ctx->cfg,
2456 						ctx->req, ctx->tsgls);
2457 			if (err)
2458 				goto out;
2459 		}
2460 		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2461 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2462 						ctx->vec_name, &ctx->cfg,
2463 						ctx->req, ctx->tsgls);
2464 			if (err)
2465 				goto out;
2466 		}
2467 		cond_resched();
2468 	}
2469 	err = 0;
2470 out:
2471 	crypto_free_aead(generic_tfm);
2472 	aead_request_free(generic_req);
2473 	return err;
2474 }
2475 
2476 static int test_aead_extra(const struct alg_test_desc *test_desc,
2477 			   struct aead_request *req,
2478 			   struct cipher_test_sglists *tsgls)
2479 {
2480 	struct aead_extra_tests_ctx *ctx;
2481 	unsigned int i;
2482 	int err;
2483 
2484 	if (noextratests)
2485 		return 0;
2486 
2487 	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2488 	if (!ctx)
2489 		return -ENOMEM;
2490 	ctx->req = req;
2491 	ctx->tfm = crypto_aead_reqtfm(req);
2492 	ctx->test_desc = test_desc;
2493 	ctx->tsgls = tsgls;
2494 	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2495 	ctx->maxkeysize = 0;
2496 	for (i = 0; i < test_desc->suite.aead.count; i++)
2497 		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2498 					test_desc->suite.aead.vecs[i].klen);
2499 
2500 	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2501 	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2502 	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2503 	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2504 	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2505 	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2506 	    !ctx->vec.ptext || !ctx->vec.ctext) {
2507 		err = -ENOMEM;
2508 		goto out;
2509 	}
2510 
2511 	err = test_aead_vs_generic_impl(ctx);
2512 	if (err)
2513 		goto out;
2514 
2515 	err = test_aead_inauthentic_inputs(ctx);
2516 out:
2517 	kfree(ctx->vec.key);
2518 	kfree(ctx->vec.iv);
2519 	kfree(ctx->vec.assoc);
2520 	kfree(ctx->vec.ptext);
2521 	kfree(ctx->vec.ctext);
2522 	kfree(ctx);
2523 	return err;
2524 }
2525 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2526 static int test_aead_extra(const struct alg_test_desc *test_desc,
2527 			   struct aead_request *req,
2528 			   struct cipher_test_sglists *tsgls)
2529 {
2530 	return 0;
2531 }
2532 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2533 
2534 static int test_aead(int enc, const struct aead_test_suite *suite,
2535 		     struct aead_request *req,
2536 		     struct cipher_test_sglists *tsgls)
2537 {
2538 	unsigned int i;
2539 	int err;
2540 
2541 	for (i = 0; i < suite->count; i++) {
2542 		err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2543 		if (err)
2544 			return err;
2545 		cond_resched();
2546 	}
2547 	return 0;
2548 }
2549 
2550 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2551 			 u32 type, u32 mask)
2552 {
2553 	const struct aead_test_suite *suite = &desc->suite.aead;
2554 	struct crypto_aead *tfm;
2555 	struct aead_request *req = NULL;
2556 	struct cipher_test_sglists *tsgls = NULL;
2557 	int err;
2558 
2559 	if (suite->count <= 0) {
2560 		pr_err("alg: aead: empty test suite for %s\n", driver);
2561 		return -EINVAL;
2562 	}
2563 
2564 	tfm = crypto_alloc_aead(driver, type, mask);
2565 	if (IS_ERR(tfm)) {
2566 		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2567 		       driver, PTR_ERR(tfm));
2568 		return PTR_ERR(tfm);
2569 	}
2570 	driver = crypto_aead_driver_name(tfm);
2571 
2572 	req = aead_request_alloc(tfm, GFP_KERNEL);
2573 	if (!req) {
2574 		pr_err("alg: aead: failed to allocate request for %s\n",
2575 		       driver);
2576 		err = -ENOMEM;
2577 		goto out;
2578 	}
2579 
2580 	tsgls = alloc_cipher_test_sglists();
2581 	if (!tsgls) {
2582 		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2583 		       driver);
2584 		err = -ENOMEM;
2585 		goto out;
2586 	}
2587 
2588 	err = test_aead(ENCRYPT, suite, req, tsgls);
2589 	if (err)
2590 		goto out;
2591 
2592 	err = test_aead(DECRYPT, suite, req, tsgls);
2593 	if (err)
2594 		goto out;
2595 
2596 	err = test_aead_extra(desc, req, tsgls);
2597 out:
2598 	free_cipher_test_sglists(tsgls);
2599 	aead_request_free(req);
2600 	crypto_free_aead(tfm);
2601 	return err;
2602 }
2603 
2604 static int test_cipher(struct crypto_cipher *tfm, int enc,
2605 		       const struct cipher_testvec *template,
2606 		       unsigned int tcount)
2607 {
2608 	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2609 	unsigned int i, j, k;
2610 	char *q;
2611 	const char *e;
2612 	const char *input, *result;
2613 	void *data;
2614 	char *xbuf[XBUFSIZE];
2615 	int ret = -ENOMEM;
2616 
2617 	if (testmgr_alloc_buf(xbuf))
2618 		goto out_nobuf;
2619 
2620 	if (enc == ENCRYPT)
2621 	        e = "encryption";
2622 	else
2623 		e = "decryption";
2624 
2625 	j = 0;
2626 	for (i = 0; i < tcount; i++) {
2627 
2628 		if (fips_enabled && template[i].fips_skip)
2629 			continue;
2630 
2631 		input  = enc ? template[i].ptext : template[i].ctext;
2632 		result = enc ? template[i].ctext : template[i].ptext;
2633 		j++;
2634 
2635 		ret = -EINVAL;
2636 		if (WARN_ON(template[i].len > PAGE_SIZE))
2637 			goto out;
2638 
2639 		data = xbuf[0];
2640 		memcpy(data, input, template[i].len);
2641 
2642 		crypto_cipher_clear_flags(tfm, ~0);
2643 		if (template[i].wk)
2644 			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2645 
2646 		ret = crypto_cipher_setkey(tfm, template[i].key,
2647 					   template[i].klen);
2648 		if (ret) {
2649 			if (ret == template[i].setkey_error)
2650 				continue;
2651 			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2652 			       algo, j, template[i].setkey_error, ret,
2653 			       crypto_cipher_get_flags(tfm));
2654 			goto out;
2655 		}
2656 		if (template[i].setkey_error) {
2657 			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2658 			       algo, j, template[i].setkey_error);
2659 			ret = -EINVAL;
2660 			goto out;
2661 		}
2662 
2663 		for (k = 0; k < template[i].len;
2664 		     k += crypto_cipher_blocksize(tfm)) {
2665 			if (enc)
2666 				crypto_cipher_encrypt_one(tfm, data + k,
2667 							  data + k);
2668 			else
2669 				crypto_cipher_decrypt_one(tfm, data + k,
2670 							  data + k);
2671 		}
2672 
2673 		q = data;
2674 		if (memcmp(q, result, template[i].len)) {
2675 			printk(KERN_ERR "alg: cipher: Test %d failed "
2676 			       "on %s for %s\n", j, e, algo);
2677 			hexdump(q, template[i].len);
2678 			ret = -EINVAL;
2679 			goto out;
2680 		}
2681 	}
2682 
2683 	ret = 0;
2684 
2685 out:
2686 	testmgr_free_buf(xbuf);
2687 out_nobuf:
2688 	return ret;
2689 }
2690 
2691 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2692 				 const char *vec_name,
2693 				 const struct testvec_config *cfg,
2694 				 struct skcipher_request *req,
2695 				 struct cipher_test_sglists *tsgls)
2696 {
2697 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2698 	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2699 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2700 	const char *driver = crypto_skcipher_driver_name(tfm);
2701 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2702 	const char *op = enc ? "encryption" : "decryption";
2703 	DECLARE_CRYPTO_WAIT(wait);
2704 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2705 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2706 		 cfg->iv_offset +
2707 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2708 	struct kvec input;
2709 	int err;
2710 
2711 	/* Set the key */
2712 	if (vec->wk)
2713 		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2714 	else
2715 		crypto_skcipher_clear_flags(tfm,
2716 					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2717 	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2718 			cfg, alignmask);
2719 	if (err) {
2720 		if (err == vec->setkey_error)
2721 			return 0;
2722 		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2723 		       driver, vec_name, vec->setkey_error, err,
2724 		       crypto_skcipher_get_flags(tfm));
2725 		return err;
2726 	}
2727 	if (vec->setkey_error) {
2728 		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2729 		       driver, vec_name, vec->setkey_error);
2730 		return -EINVAL;
2731 	}
2732 
2733 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2734 	if (ivsize) {
2735 		if (WARN_ON(ivsize > MAX_IVLEN))
2736 			return -EINVAL;
2737 		if (vec->generates_iv && !enc)
2738 			memcpy(iv, vec->iv_out, ivsize);
2739 		else if (vec->iv)
2740 			memcpy(iv, vec->iv, ivsize);
2741 		else
2742 			memset(iv, 0, ivsize);
2743 	} else {
2744 		if (vec->generates_iv) {
2745 			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2746 			       driver, vec_name);
2747 			return -EINVAL;
2748 		}
2749 		iv = NULL;
2750 	}
2751 
2752 	/* Build the src/dst scatterlists */
2753 	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2754 	input.iov_len = vec->len;
2755 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2756 					vec->len, vec->len, &input, 1);
2757 	if (err) {
2758 		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2759 		       driver, op, vec_name, cfg->name);
2760 		return err;
2761 	}
2762 
2763 	/* Do the actual encryption or decryption */
2764 	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2765 	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2766 	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2767 				   vec->len, iv);
2768 	if (cfg->nosimd)
2769 		crypto_disable_simd_for_test();
2770 	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2771 	if (cfg->nosimd)
2772 		crypto_reenable_simd_for_test();
2773 	err = crypto_wait_req(err, &wait);
2774 
2775 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2776 	if (req->cryptlen != vec->len ||
2777 	    req->iv != iv ||
2778 	    req->src != tsgls->src.sgl_ptr ||
2779 	    req->dst != tsgls->dst.sgl_ptr ||
2780 	    crypto_skcipher_reqtfm(req) != tfm ||
2781 	    req->base.complete != crypto_req_done ||
2782 	    req->base.flags != req_flags ||
2783 	    req->base.data != &wait) {
2784 		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2785 		       driver, op, vec_name, cfg->name);
2786 		if (req->cryptlen != vec->len)
2787 			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2788 		if (req->iv != iv)
2789 			pr_err("alg: skcipher: changed 'req->iv'\n");
2790 		if (req->src != tsgls->src.sgl_ptr)
2791 			pr_err("alg: skcipher: changed 'req->src'\n");
2792 		if (req->dst != tsgls->dst.sgl_ptr)
2793 			pr_err("alg: skcipher: changed 'req->dst'\n");
2794 		if (crypto_skcipher_reqtfm(req) != tfm)
2795 			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2796 		if (req->base.complete != crypto_req_done)
2797 			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2798 		if (req->base.flags != req_flags)
2799 			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2800 		if (req->base.data != &wait)
2801 			pr_err("alg: skcipher: changed 'req->base.data'\n");
2802 		return -EINVAL;
2803 	}
2804 	if (is_test_sglist_corrupted(&tsgls->src)) {
2805 		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2806 		       driver, op, vec_name, cfg->name);
2807 		return -EINVAL;
2808 	}
2809 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2810 	    is_test_sglist_corrupted(&tsgls->dst)) {
2811 		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2812 		       driver, op, vec_name, cfg->name);
2813 		return -EINVAL;
2814 	}
2815 
2816 	/* Check for success or failure */
2817 	if (err) {
2818 		if (err == vec->crypt_error)
2819 			return 0;
2820 		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2821 		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2822 		return err;
2823 	}
2824 	if (vec->crypt_error) {
2825 		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2826 		       driver, op, vec_name, vec->crypt_error, cfg->name);
2827 		return -EINVAL;
2828 	}
2829 
2830 	/* Check for the correct output (ciphertext or plaintext) */
2831 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2832 				    vec->len, 0, true);
2833 	if (err == -EOVERFLOW) {
2834 		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2835 		       driver, op, vec_name, cfg->name);
2836 		return err;
2837 	}
2838 	if (err) {
2839 		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2840 		       driver, op, vec_name, cfg->name);
2841 		return err;
2842 	}
2843 
2844 	/* If applicable, check that the algorithm generated the correct IV */
2845 	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2846 		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2847 		       driver, op, vec_name, cfg->name);
2848 		hexdump(iv, ivsize);
2849 		return -EINVAL;
2850 	}
2851 
2852 	return 0;
2853 }
2854 
2855 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2856 			     unsigned int vec_num,
2857 			     struct skcipher_request *req,
2858 			     struct cipher_test_sglists *tsgls)
2859 {
2860 	char vec_name[16];
2861 	unsigned int i;
2862 	int err;
2863 
2864 	if (fips_enabled && vec->fips_skip)
2865 		return 0;
2866 
2867 	sprintf(vec_name, "%u", vec_num);
2868 
2869 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2870 		err = test_skcipher_vec_cfg(enc, vec, vec_name,
2871 					    &default_cipher_testvec_configs[i],
2872 					    req, tsgls);
2873 		if (err)
2874 			return err;
2875 	}
2876 
2877 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2878 	if (!noextratests) {
2879 		struct testvec_config cfg;
2880 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2881 
2882 		for (i = 0; i < fuzz_iterations; i++) {
2883 			generate_random_testvec_config(&cfg, cfgname,
2884 						       sizeof(cfgname));
2885 			err = test_skcipher_vec_cfg(enc, vec, vec_name,
2886 						    &cfg, req, tsgls);
2887 			if (err)
2888 				return err;
2889 			cond_resched();
2890 		}
2891 	}
2892 #endif
2893 	return 0;
2894 }
2895 
2896 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2897 /*
2898  * Generate a symmetric cipher test vector from the given implementation.
2899  * Assumes the buffers in 'vec' were already allocated.
2900  */
2901 static void generate_random_cipher_testvec(struct skcipher_request *req,
2902 					   struct cipher_testvec *vec,
2903 					   unsigned int maxdatasize,
2904 					   char *name, size_t max_namelen)
2905 {
2906 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2907 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2908 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2909 	struct scatterlist src, dst;
2910 	u8 iv[MAX_IVLEN];
2911 	DECLARE_CRYPTO_WAIT(wait);
2912 
2913 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2914 	vec->klen = maxkeysize;
2915 	if (prandom_u32() % 4 == 0)
2916 		vec->klen = prandom_u32() % (maxkeysize + 1);
2917 	generate_random_bytes((u8 *)vec->key, vec->klen);
2918 	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2919 
2920 	/* IV */
2921 	generate_random_bytes((u8 *)vec->iv, ivsize);
2922 
2923 	/* Plaintext */
2924 	vec->len = generate_random_length(maxdatasize);
2925 	generate_random_bytes((u8 *)vec->ptext, vec->len);
2926 
2927 	/* If the key couldn't be set, no need to continue to encrypt. */
2928 	if (vec->setkey_error)
2929 		goto done;
2930 
2931 	/* Ciphertext */
2932 	sg_init_one(&src, vec->ptext, vec->len);
2933 	sg_init_one(&dst, vec->ctext, vec->len);
2934 	memcpy(iv, vec->iv, ivsize);
2935 	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2936 	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2937 	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2938 	if (vec->crypt_error != 0) {
2939 		/*
2940 		 * The only acceptable error here is for an invalid length, so
2941 		 * skcipher decryption should fail with the same error too.
2942 		 * We'll test for this.  But to keep the API usage well-defined,
2943 		 * explicitly initialize the ciphertext buffer too.
2944 		 */
2945 		memset((u8 *)vec->ctext, 0, vec->len);
2946 	}
2947 done:
2948 	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2949 		 vec->len, vec->klen);
2950 }
2951 
2952 /*
2953  * Test the skcipher algorithm represented by @req against the corresponding
2954  * generic implementation, if one is available.
2955  */
2956 static int test_skcipher_vs_generic_impl(const char *generic_driver,
2957 					 struct skcipher_request *req,
2958 					 struct cipher_test_sglists *tsgls)
2959 {
2960 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2961 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2962 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2963 	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2964 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2965 	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2966 	const char *driver = crypto_skcipher_driver_name(tfm);
2967 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2968 	struct crypto_skcipher *generic_tfm = NULL;
2969 	struct skcipher_request *generic_req = NULL;
2970 	unsigned int i;
2971 	struct cipher_testvec vec = { 0 };
2972 	char vec_name[64];
2973 	struct testvec_config *cfg;
2974 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2975 	int err;
2976 
2977 	if (noextratests)
2978 		return 0;
2979 
2980 	/* Keywrap isn't supported here yet as it handles its IV differently. */
2981 	if (strncmp(algname, "kw(", 3) == 0)
2982 		return 0;
2983 
2984 	if (!generic_driver) { /* Use default naming convention? */
2985 		err = build_generic_driver_name(algname, _generic_driver);
2986 		if (err)
2987 			return err;
2988 		generic_driver = _generic_driver;
2989 	}
2990 
2991 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2992 		return 0;
2993 
2994 	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
2995 	if (IS_ERR(generic_tfm)) {
2996 		err = PTR_ERR(generic_tfm);
2997 		if (err == -ENOENT) {
2998 			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
2999 				driver, generic_driver);
3000 			return 0;
3001 		}
3002 		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3003 		       generic_driver, algname, err);
3004 		return err;
3005 	}
3006 
3007 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3008 	if (!cfg) {
3009 		err = -ENOMEM;
3010 		goto out;
3011 	}
3012 
3013 	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3014 	if (!generic_req) {
3015 		err = -ENOMEM;
3016 		goto out;
3017 	}
3018 
3019 	/* Check the algorithm properties for consistency. */
3020 
3021 	if (crypto_skcipher_min_keysize(tfm) !=
3022 	    crypto_skcipher_min_keysize(generic_tfm)) {
3023 		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3024 		       driver, crypto_skcipher_min_keysize(tfm),
3025 		       crypto_skcipher_min_keysize(generic_tfm));
3026 		err = -EINVAL;
3027 		goto out;
3028 	}
3029 
3030 	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3031 		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3032 		       driver, maxkeysize,
3033 		       crypto_skcipher_max_keysize(generic_tfm));
3034 		err = -EINVAL;
3035 		goto out;
3036 	}
3037 
3038 	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3039 		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3040 		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3041 		err = -EINVAL;
3042 		goto out;
3043 	}
3044 
3045 	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3046 		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3047 		       driver, blocksize,
3048 		       crypto_skcipher_blocksize(generic_tfm));
3049 		err = -EINVAL;
3050 		goto out;
3051 	}
3052 
3053 	/*
3054 	 * Now generate test vectors using the generic implementation, and test
3055 	 * the other implementation against them.
3056 	 */
3057 
3058 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3059 	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3060 	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3061 	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3062 	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3063 		err = -ENOMEM;
3064 		goto out;
3065 	}
3066 
3067 	for (i = 0; i < fuzz_iterations * 8; i++) {
3068 		generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3069 					       vec_name, sizeof(vec_name));
3070 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3071 
3072 		err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3073 					    cfg, req, tsgls);
3074 		if (err)
3075 			goto out;
3076 		err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3077 					    cfg, req, tsgls);
3078 		if (err)
3079 			goto out;
3080 		cond_resched();
3081 	}
3082 	err = 0;
3083 out:
3084 	kfree(cfg);
3085 	kfree(vec.key);
3086 	kfree(vec.iv);
3087 	kfree(vec.ptext);
3088 	kfree(vec.ctext);
3089 	crypto_free_skcipher(generic_tfm);
3090 	skcipher_request_free(generic_req);
3091 	return err;
3092 }
3093 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3094 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3095 					 struct skcipher_request *req,
3096 					 struct cipher_test_sglists *tsgls)
3097 {
3098 	return 0;
3099 }
3100 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3101 
3102 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3103 			 struct skcipher_request *req,
3104 			 struct cipher_test_sglists *tsgls)
3105 {
3106 	unsigned int i;
3107 	int err;
3108 
3109 	for (i = 0; i < suite->count; i++) {
3110 		err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3111 		if (err)
3112 			return err;
3113 		cond_resched();
3114 	}
3115 	return 0;
3116 }
3117 
3118 static int alg_test_skcipher(const struct alg_test_desc *desc,
3119 			     const char *driver, u32 type, u32 mask)
3120 {
3121 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3122 	struct crypto_skcipher *tfm;
3123 	struct skcipher_request *req = NULL;
3124 	struct cipher_test_sglists *tsgls = NULL;
3125 	int err;
3126 
3127 	if (suite->count <= 0) {
3128 		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3129 		return -EINVAL;
3130 	}
3131 
3132 	tfm = crypto_alloc_skcipher(driver, type, mask);
3133 	if (IS_ERR(tfm)) {
3134 		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3135 		       driver, PTR_ERR(tfm));
3136 		return PTR_ERR(tfm);
3137 	}
3138 	driver = crypto_skcipher_driver_name(tfm);
3139 
3140 	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3141 	if (!req) {
3142 		pr_err("alg: skcipher: failed to allocate request for %s\n",
3143 		       driver);
3144 		err = -ENOMEM;
3145 		goto out;
3146 	}
3147 
3148 	tsgls = alloc_cipher_test_sglists();
3149 	if (!tsgls) {
3150 		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3151 		       driver);
3152 		err = -ENOMEM;
3153 		goto out;
3154 	}
3155 
3156 	err = test_skcipher(ENCRYPT, suite, req, tsgls);
3157 	if (err)
3158 		goto out;
3159 
3160 	err = test_skcipher(DECRYPT, suite, req, tsgls);
3161 	if (err)
3162 		goto out;
3163 
3164 	err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3165 out:
3166 	free_cipher_test_sglists(tsgls);
3167 	skcipher_request_free(req);
3168 	crypto_free_skcipher(tfm);
3169 	return err;
3170 }
3171 
3172 static int test_comp(struct crypto_comp *tfm,
3173 		     const struct comp_testvec *ctemplate,
3174 		     const struct comp_testvec *dtemplate,
3175 		     int ctcount, int dtcount)
3176 {
3177 	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3178 	char *output, *decomp_output;
3179 	unsigned int i;
3180 	int ret;
3181 
3182 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3183 	if (!output)
3184 		return -ENOMEM;
3185 
3186 	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3187 	if (!decomp_output) {
3188 		kfree(output);
3189 		return -ENOMEM;
3190 	}
3191 
3192 	for (i = 0; i < ctcount; i++) {
3193 		int ilen;
3194 		unsigned int dlen = COMP_BUF_SIZE;
3195 
3196 		memset(output, 0, COMP_BUF_SIZE);
3197 		memset(decomp_output, 0, COMP_BUF_SIZE);
3198 
3199 		ilen = ctemplate[i].inlen;
3200 		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3201 					   ilen, output, &dlen);
3202 		if (ret) {
3203 			printk(KERN_ERR "alg: comp: compression failed "
3204 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3205 			       -ret);
3206 			goto out;
3207 		}
3208 
3209 		ilen = dlen;
3210 		dlen = COMP_BUF_SIZE;
3211 		ret = crypto_comp_decompress(tfm, output,
3212 					     ilen, decomp_output, &dlen);
3213 		if (ret) {
3214 			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3215 			       i + 1, algo, -ret);
3216 			goto out;
3217 		}
3218 
3219 		if (dlen != ctemplate[i].inlen) {
3220 			printk(KERN_ERR "alg: comp: Compression test %d "
3221 			       "failed for %s: output len = %d\n", i + 1, algo,
3222 			       dlen);
3223 			ret = -EINVAL;
3224 			goto out;
3225 		}
3226 
3227 		if (memcmp(decomp_output, ctemplate[i].input,
3228 			   ctemplate[i].inlen)) {
3229 			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3230 			       i + 1, algo);
3231 			hexdump(decomp_output, dlen);
3232 			ret = -EINVAL;
3233 			goto out;
3234 		}
3235 	}
3236 
3237 	for (i = 0; i < dtcount; i++) {
3238 		int ilen;
3239 		unsigned int dlen = COMP_BUF_SIZE;
3240 
3241 		memset(decomp_output, 0, COMP_BUF_SIZE);
3242 
3243 		ilen = dtemplate[i].inlen;
3244 		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3245 					     ilen, decomp_output, &dlen);
3246 		if (ret) {
3247 			printk(KERN_ERR "alg: comp: decompression failed "
3248 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3249 			       -ret);
3250 			goto out;
3251 		}
3252 
3253 		if (dlen != dtemplate[i].outlen) {
3254 			printk(KERN_ERR "alg: comp: Decompression test %d "
3255 			       "failed for %s: output len = %d\n", i + 1, algo,
3256 			       dlen);
3257 			ret = -EINVAL;
3258 			goto out;
3259 		}
3260 
3261 		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3262 			printk(KERN_ERR "alg: comp: Decompression test %d "
3263 			       "failed for %s\n", i + 1, algo);
3264 			hexdump(decomp_output, dlen);
3265 			ret = -EINVAL;
3266 			goto out;
3267 		}
3268 	}
3269 
3270 	ret = 0;
3271 
3272 out:
3273 	kfree(decomp_output);
3274 	kfree(output);
3275 	return ret;
3276 }
3277 
3278 static int test_acomp(struct crypto_acomp *tfm,
3279 			      const struct comp_testvec *ctemplate,
3280 		      const struct comp_testvec *dtemplate,
3281 		      int ctcount, int dtcount)
3282 {
3283 	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3284 	unsigned int i;
3285 	char *output, *decomp_out;
3286 	int ret;
3287 	struct scatterlist src, dst;
3288 	struct acomp_req *req;
3289 	struct crypto_wait wait;
3290 
3291 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3292 	if (!output)
3293 		return -ENOMEM;
3294 
3295 	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3296 	if (!decomp_out) {
3297 		kfree(output);
3298 		return -ENOMEM;
3299 	}
3300 
3301 	for (i = 0; i < ctcount; i++) {
3302 		unsigned int dlen = COMP_BUF_SIZE;
3303 		int ilen = ctemplate[i].inlen;
3304 		void *input_vec;
3305 
3306 		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3307 		if (!input_vec) {
3308 			ret = -ENOMEM;
3309 			goto out;
3310 		}
3311 
3312 		memset(output, 0, dlen);
3313 		crypto_init_wait(&wait);
3314 		sg_init_one(&src, input_vec, ilen);
3315 		sg_init_one(&dst, output, dlen);
3316 
3317 		req = acomp_request_alloc(tfm);
3318 		if (!req) {
3319 			pr_err("alg: acomp: request alloc failed for %s\n",
3320 			       algo);
3321 			kfree(input_vec);
3322 			ret = -ENOMEM;
3323 			goto out;
3324 		}
3325 
3326 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3327 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3328 					   crypto_req_done, &wait);
3329 
3330 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3331 		if (ret) {
3332 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3333 			       i + 1, algo, -ret);
3334 			kfree(input_vec);
3335 			acomp_request_free(req);
3336 			goto out;
3337 		}
3338 
3339 		ilen = req->dlen;
3340 		dlen = COMP_BUF_SIZE;
3341 		sg_init_one(&src, output, ilen);
3342 		sg_init_one(&dst, decomp_out, dlen);
3343 		crypto_init_wait(&wait);
3344 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3345 
3346 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3347 		if (ret) {
3348 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3349 			       i + 1, algo, -ret);
3350 			kfree(input_vec);
3351 			acomp_request_free(req);
3352 			goto out;
3353 		}
3354 
3355 		if (req->dlen != ctemplate[i].inlen) {
3356 			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3357 			       i + 1, algo, req->dlen);
3358 			ret = -EINVAL;
3359 			kfree(input_vec);
3360 			acomp_request_free(req);
3361 			goto out;
3362 		}
3363 
3364 		if (memcmp(input_vec, decomp_out, req->dlen)) {
3365 			pr_err("alg: acomp: Compression test %d failed for %s\n",
3366 			       i + 1, algo);
3367 			hexdump(output, req->dlen);
3368 			ret = -EINVAL;
3369 			kfree(input_vec);
3370 			acomp_request_free(req);
3371 			goto out;
3372 		}
3373 
3374 		kfree(input_vec);
3375 		acomp_request_free(req);
3376 	}
3377 
3378 	for (i = 0; i < dtcount; i++) {
3379 		unsigned int dlen = COMP_BUF_SIZE;
3380 		int ilen = dtemplate[i].inlen;
3381 		void *input_vec;
3382 
3383 		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3384 		if (!input_vec) {
3385 			ret = -ENOMEM;
3386 			goto out;
3387 		}
3388 
3389 		memset(output, 0, dlen);
3390 		crypto_init_wait(&wait);
3391 		sg_init_one(&src, input_vec, ilen);
3392 		sg_init_one(&dst, output, dlen);
3393 
3394 		req = acomp_request_alloc(tfm);
3395 		if (!req) {
3396 			pr_err("alg: acomp: request alloc failed for %s\n",
3397 			       algo);
3398 			kfree(input_vec);
3399 			ret = -ENOMEM;
3400 			goto out;
3401 		}
3402 
3403 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3404 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3405 					   crypto_req_done, &wait);
3406 
3407 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3408 		if (ret) {
3409 			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3410 			       i + 1, algo, -ret);
3411 			kfree(input_vec);
3412 			acomp_request_free(req);
3413 			goto out;
3414 		}
3415 
3416 		if (req->dlen != dtemplate[i].outlen) {
3417 			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3418 			       i + 1, algo, req->dlen);
3419 			ret = -EINVAL;
3420 			kfree(input_vec);
3421 			acomp_request_free(req);
3422 			goto out;
3423 		}
3424 
3425 		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3426 			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3427 			       i + 1, algo);
3428 			hexdump(output, req->dlen);
3429 			ret = -EINVAL;
3430 			kfree(input_vec);
3431 			acomp_request_free(req);
3432 			goto out;
3433 		}
3434 
3435 		kfree(input_vec);
3436 		acomp_request_free(req);
3437 	}
3438 
3439 	ret = 0;
3440 
3441 out:
3442 	kfree(decomp_out);
3443 	kfree(output);
3444 	return ret;
3445 }
3446 
3447 static int test_cprng(struct crypto_rng *tfm,
3448 		      const struct cprng_testvec *template,
3449 		      unsigned int tcount)
3450 {
3451 	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3452 	int err = 0, i, j, seedsize;
3453 	u8 *seed;
3454 	char result[32];
3455 
3456 	seedsize = crypto_rng_seedsize(tfm);
3457 
3458 	seed = kmalloc(seedsize, GFP_KERNEL);
3459 	if (!seed) {
3460 		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3461 		       "for %s\n", algo);
3462 		return -ENOMEM;
3463 	}
3464 
3465 	for (i = 0; i < tcount; i++) {
3466 		memset(result, 0, 32);
3467 
3468 		memcpy(seed, template[i].v, template[i].vlen);
3469 		memcpy(seed + template[i].vlen, template[i].key,
3470 		       template[i].klen);
3471 		memcpy(seed + template[i].vlen + template[i].klen,
3472 		       template[i].dt, template[i].dtlen);
3473 
3474 		err = crypto_rng_reset(tfm, seed, seedsize);
3475 		if (err) {
3476 			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3477 			       "for %s\n", algo);
3478 			goto out;
3479 		}
3480 
3481 		for (j = 0; j < template[i].loops; j++) {
3482 			err = crypto_rng_get_bytes(tfm, result,
3483 						   template[i].rlen);
3484 			if (err < 0) {
3485 				printk(KERN_ERR "alg: cprng: Failed to obtain "
3486 				       "the correct amount of random data for "
3487 				       "%s (requested %d)\n", algo,
3488 				       template[i].rlen);
3489 				goto out;
3490 			}
3491 		}
3492 
3493 		err = memcmp(result, template[i].result,
3494 			     template[i].rlen);
3495 		if (err) {
3496 			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3497 			       i, algo);
3498 			hexdump(result, template[i].rlen);
3499 			err = -EINVAL;
3500 			goto out;
3501 		}
3502 	}
3503 
3504 out:
3505 	kfree(seed);
3506 	return err;
3507 }
3508 
3509 static int alg_test_cipher(const struct alg_test_desc *desc,
3510 			   const char *driver, u32 type, u32 mask)
3511 {
3512 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3513 	struct crypto_cipher *tfm;
3514 	int err;
3515 
3516 	tfm = crypto_alloc_cipher(driver, type, mask);
3517 	if (IS_ERR(tfm)) {
3518 		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3519 		       "%s: %ld\n", driver, PTR_ERR(tfm));
3520 		return PTR_ERR(tfm);
3521 	}
3522 
3523 	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3524 	if (!err)
3525 		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3526 
3527 	crypto_free_cipher(tfm);
3528 	return err;
3529 }
3530 
3531 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3532 			 u32 type, u32 mask)
3533 {
3534 	struct crypto_comp *comp;
3535 	struct crypto_acomp *acomp;
3536 	int err;
3537 	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3538 
3539 	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3540 		acomp = crypto_alloc_acomp(driver, type, mask);
3541 		if (IS_ERR(acomp)) {
3542 			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3543 			       driver, PTR_ERR(acomp));
3544 			return PTR_ERR(acomp);
3545 		}
3546 		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3547 				 desc->suite.comp.decomp.vecs,
3548 				 desc->suite.comp.comp.count,
3549 				 desc->suite.comp.decomp.count);
3550 		crypto_free_acomp(acomp);
3551 	} else {
3552 		comp = crypto_alloc_comp(driver, type, mask);
3553 		if (IS_ERR(comp)) {
3554 			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3555 			       driver, PTR_ERR(comp));
3556 			return PTR_ERR(comp);
3557 		}
3558 
3559 		err = test_comp(comp, desc->suite.comp.comp.vecs,
3560 				desc->suite.comp.decomp.vecs,
3561 				desc->suite.comp.comp.count,
3562 				desc->suite.comp.decomp.count);
3563 
3564 		crypto_free_comp(comp);
3565 	}
3566 	return err;
3567 }
3568 
3569 static int alg_test_crc32c(const struct alg_test_desc *desc,
3570 			   const char *driver, u32 type, u32 mask)
3571 {
3572 	struct crypto_shash *tfm;
3573 	__le32 val;
3574 	int err;
3575 
3576 	err = alg_test_hash(desc, driver, type, mask);
3577 	if (err)
3578 		return err;
3579 
3580 	tfm = crypto_alloc_shash(driver, type, mask);
3581 	if (IS_ERR(tfm)) {
3582 		if (PTR_ERR(tfm) == -ENOENT) {
3583 			/*
3584 			 * This crc32c implementation is only available through
3585 			 * ahash API, not the shash API, so the remaining part
3586 			 * of the test is not applicable to it.
3587 			 */
3588 			return 0;
3589 		}
3590 		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3591 		       "%ld\n", driver, PTR_ERR(tfm));
3592 		return PTR_ERR(tfm);
3593 	}
3594 	driver = crypto_shash_driver_name(tfm);
3595 
3596 	do {
3597 		SHASH_DESC_ON_STACK(shash, tfm);
3598 		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3599 
3600 		shash->tfm = tfm;
3601 
3602 		*ctx = 420553207;
3603 		err = crypto_shash_final(shash, (u8 *)&val);
3604 		if (err) {
3605 			printk(KERN_ERR "alg: crc32c: Operation failed for "
3606 			       "%s: %d\n", driver, err);
3607 			break;
3608 		}
3609 
3610 		if (val != cpu_to_le32(~420553207)) {
3611 			pr_err("alg: crc32c: Test failed for %s: %u\n",
3612 			       driver, le32_to_cpu(val));
3613 			err = -EINVAL;
3614 		}
3615 	} while (0);
3616 
3617 	crypto_free_shash(tfm);
3618 
3619 	return err;
3620 }
3621 
3622 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3623 			  u32 type, u32 mask)
3624 {
3625 	struct crypto_rng *rng;
3626 	int err;
3627 
3628 	rng = crypto_alloc_rng(driver, type, mask);
3629 	if (IS_ERR(rng)) {
3630 		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3631 		       "%ld\n", driver, PTR_ERR(rng));
3632 		return PTR_ERR(rng);
3633 	}
3634 
3635 	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3636 
3637 	crypto_free_rng(rng);
3638 
3639 	return err;
3640 }
3641 
3642 
3643 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3644 			  const char *driver, u32 type, u32 mask)
3645 {
3646 	int ret = -EAGAIN;
3647 	struct crypto_rng *drng;
3648 	struct drbg_test_data test_data;
3649 	struct drbg_string addtl, pers, testentropy;
3650 	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3651 
3652 	if (!buf)
3653 		return -ENOMEM;
3654 
3655 	drng = crypto_alloc_rng(driver, type, mask);
3656 	if (IS_ERR(drng)) {
3657 		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3658 		       "%s\n", driver);
3659 		kfree_sensitive(buf);
3660 		return -ENOMEM;
3661 	}
3662 
3663 	test_data.testentropy = &testentropy;
3664 	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3665 	drbg_string_fill(&pers, test->pers, test->perslen);
3666 	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3667 	if (ret) {
3668 		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3669 		goto outbuf;
3670 	}
3671 
3672 	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3673 	if (pr) {
3674 		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3675 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3676 			buf, test->expectedlen, &addtl,	&test_data);
3677 	} else {
3678 		ret = crypto_drbg_get_bytes_addtl(drng,
3679 			buf, test->expectedlen, &addtl);
3680 	}
3681 	if (ret < 0) {
3682 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3683 		       "driver %s\n", driver);
3684 		goto outbuf;
3685 	}
3686 
3687 	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3688 	if (pr) {
3689 		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3690 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3691 			buf, test->expectedlen, &addtl, &test_data);
3692 	} else {
3693 		ret = crypto_drbg_get_bytes_addtl(drng,
3694 			buf, test->expectedlen, &addtl);
3695 	}
3696 	if (ret < 0) {
3697 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3698 		       "driver %s\n", driver);
3699 		goto outbuf;
3700 	}
3701 
3702 	ret = memcmp(test->expected, buf, test->expectedlen);
3703 
3704 outbuf:
3705 	crypto_free_rng(drng);
3706 	kfree_sensitive(buf);
3707 	return ret;
3708 }
3709 
3710 
3711 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3712 			 u32 type, u32 mask)
3713 {
3714 	int err = 0;
3715 	int pr = 0;
3716 	int i = 0;
3717 	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3718 	unsigned int tcount = desc->suite.drbg.count;
3719 
3720 	if (0 == memcmp(driver, "drbg_pr_", 8))
3721 		pr = 1;
3722 
3723 	for (i = 0; i < tcount; i++) {
3724 		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3725 		if (err) {
3726 			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3727 			       i, driver);
3728 			err = -EINVAL;
3729 			break;
3730 		}
3731 	}
3732 	return err;
3733 
3734 }
3735 
3736 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3737 		       const char *alg)
3738 {
3739 	struct kpp_request *req;
3740 	void *input_buf = NULL;
3741 	void *output_buf = NULL;
3742 	void *a_public = NULL;
3743 	void *a_ss = NULL;
3744 	void *shared_secret = NULL;
3745 	struct crypto_wait wait;
3746 	unsigned int out_len_max;
3747 	int err = -ENOMEM;
3748 	struct scatterlist src, dst;
3749 
3750 	req = kpp_request_alloc(tfm, GFP_KERNEL);
3751 	if (!req)
3752 		return err;
3753 
3754 	crypto_init_wait(&wait);
3755 
3756 	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3757 	if (err < 0)
3758 		goto free_req;
3759 
3760 	out_len_max = crypto_kpp_maxsize(tfm);
3761 	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3762 	if (!output_buf) {
3763 		err = -ENOMEM;
3764 		goto free_req;
3765 	}
3766 
3767 	/* Use appropriate parameter as base */
3768 	kpp_request_set_input(req, NULL, 0);
3769 	sg_init_one(&dst, output_buf, out_len_max);
3770 	kpp_request_set_output(req, &dst, out_len_max);
3771 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3772 				 crypto_req_done, &wait);
3773 
3774 	/* Compute party A's public key */
3775 	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3776 	if (err) {
3777 		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3778 		       alg, err);
3779 		goto free_output;
3780 	}
3781 
3782 	if (vec->genkey) {
3783 		/* Save party A's public key */
3784 		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3785 		if (!a_public) {
3786 			err = -ENOMEM;
3787 			goto free_output;
3788 		}
3789 	} else {
3790 		/* Verify calculated public key */
3791 		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3792 			   vec->expected_a_public_size)) {
3793 			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3794 			       alg);
3795 			err = -EINVAL;
3796 			goto free_output;
3797 		}
3798 	}
3799 
3800 	/* Calculate shared secret key by using counter part (b) public key. */
3801 	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3802 	if (!input_buf) {
3803 		err = -ENOMEM;
3804 		goto free_output;
3805 	}
3806 
3807 	sg_init_one(&src, input_buf, vec->b_public_size);
3808 	sg_init_one(&dst, output_buf, out_len_max);
3809 	kpp_request_set_input(req, &src, vec->b_public_size);
3810 	kpp_request_set_output(req, &dst, out_len_max);
3811 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3812 				 crypto_req_done, &wait);
3813 	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3814 	if (err) {
3815 		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3816 		       alg, err);
3817 		goto free_all;
3818 	}
3819 
3820 	if (vec->genkey) {
3821 		/* Save the shared secret obtained by party A */
3822 		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3823 		if (!a_ss) {
3824 			err = -ENOMEM;
3825 			goto free_all;
3826 		}
3827 
3828 		/*
3829 		 * Calculate party B's shared secret by using party A's
3830 		 * public key.
3831 		 */
3832 		err = crypto_kpp_set_secret(tfm, vec->b_secret,
3833 					    vec->b_secret_size);
3834 		if (err < 0)
3835 			goto free_all;
3836 
3837 		sg_init_one(&src, a_public, vec->expected_a_public_size);
3838 		sg_init_one(&dst, output_buf, out_len_max);
3839 		kpp_request_set_input(req, &src, vec->expected_a_public_size);
3840 		kpp_request_set_output(req, &dst, out_len_max);
3841 		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3842 					 crypto_req_done, &wait);
3843 		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3844 				      &wait);
3845 		if (err) {
3846 			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3847 			       alg, err);
3848 			goto free_all;
3849 		}
3850 
3851 		shared_secret = a_ss;
3852 	} else {
3853 		shared_secret = (void *)vec->expected_ss;
3854 	}
3855 
3856 	/*
3857 	 * verify shared secret from which the user will derive
3858 	 * secret key by executing whatever hash it has chosen
3859 	 */
3860 	if (memcmp(shared_secret, sg_virt(req->dst),
3861 		   vec->expected_ss_size)) {
3862 		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3863 		       alg);
3864 		err = -EINVAL;
3865 	}
3866 
3867 free_all:
3868 	kfree(a_ss);
3869 	kfree(input_buf);
3870 free_output:
3871 	kfree(a_public);
3872 	kfree(output_buf);
3873 free_req:
3874 	kpp_request_free(req);
3875 	return err;
3876 }
3877 
3878 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3879 		    const struct kpp_testvec *vecs, unsigned int tcount)
3880 {
3881 	int ret, i;
3882 
3883 	for (i = 0; i < tcount; i++) {
3884 		ret = do_test_kpp(tfm, vecs++, alg);
3885 		if (ret) {
3886 			pr_err("alg: %s: test failed on vector %d, err=%d\n",
3887 			       alg, i + 1, ret);
3888 			return ret;
3889 		}
3890 	}
3891 	return 0;
3892 }
3893 
3894 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3895 			u32 type, u32 mask)
3896 {
3897 	struct crypto_kpp *tfm;
3898 	int err = 0;
3899 
3900 	tfm = crypto_alloc_kpp(driver, type, mask);
3901 	if (IS_ERR(tfm)) {
3902 		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3903 		       driver, PTR_ERR(tfm));
3904 		return PTR_ERR(tfm);
3905 	}
3906 	if (desc->suite.kpp.vecs)
3907 		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3908 			       desc->suite.kpp.count);
3909 
3910 	crypto_free_kpp(tfm);
3911 	return err;
3912 }
3913 
3914 static u8 *test_pack_u32(u8 *dst, u32 val)
3915 {
3916 	memcpy(dst, &val, sizeof(val));
3917 	return dst + sizeof(val);
3918 }
3919 
3920 static int test_akcipher_one(struct crypto_akcipher *tfm,
3921 			     const struct akcipher_testvec *vecs)
3922 {
3923 	char *xbuf[XBUFSIZE];
3924 	struct akcipher_request *req;
3925 	void *outbuf_enc = NULL;
3926 	void *outbuf_dec = NULL;
3927 	struct crypto_wait wait;
3928 	unsigned int out_len_max, out_len = 0;
3929 	int err = -ENOMEM;
3930 	struct scatterlist src, dst, src_tab[3];
3931 	const char *m, *c;
3932 	unsigned int m_size, c_size;
3933 	const char *op;
3934 	u8 *key, *ptr;
3935 
3936 	if (testmgr_alloc_buf(xbuf))
3937 		return err;
3938 
3939 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
3940 	if (!req)
3941 		goto free_xbuf;
3942 
3943 	crypto_init_wait(&wait);
3944 
3945 	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3946 		      GFP_KERNEL);
3947 	if (!key)
3948 		goto free_req;
3949 	memcpy(key, vecs->key, vecs->key_len);
3950 	ptr = key + vecs->key_len;
3951 	ptr = test_pack_u32(ptr, vecs->algo);
3952 	ptr = test_pack_u32(ptr, vecs->param_len);
3953 	memcpy(ptr, vecs->params, vecs->param_len);
3954 
3955 	if (vecs->public_key_vec)
3956 		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3957 	else
3958 		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3959 	if (err)
3960 		goto free_key;
3961 
3962 	/*
3963 	 * First run test which do not require a private key, such as
3964 	 * encrypt or verify.
3965 	 */
3966 	err = -ENOMEM;
3967 	out_len_max = crypto_akcipher_maxsize(tfm);
3968 	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3969 	if (!outbuf_enc)
3970 		goto free_key;
3971 
3972 	if (!vecs->siggen_sigver_test) {
3973 		m = vecs->m;
3974 		m_size = vecs->m_size;
3975 		c = vecs->c;
3976 		c_size = vecs->c_size;
3977 		op = "encrypt";
3978 	} else {
3979 		/* Swap args so we could keep plaintext (digest)
3980 		 * in vecs->m, and cooked signature in vecs->c.
3981 		 */
3982 		m = vecs->c; /* signature */
3983 		m_size = vecs->c_size;
3984 		c = vecs->m; /* digest */
3985 		c_size = vecs->m_size;
3986 		op = "verify";
3987 	}
3988 
3989 	err = -E2BIG;
3990 	if (WARN_ON(m_size > PAGE_SIZE))
3991 		goto free_all;
3992 	memcpy(xbuf[0], m, m_size);
3993 
3994 	sg_init_table(src_tab, 3);
3995 	sg_set_buf(&src_tab[0], xbuf[0], 8);
3996 	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
3997 	if (vecs->siggen_sigver_test) {
3998 		if (WARN_ON(c_size > PAGE_SIZE))
3999 			goto free_all;
4000 		memcpy(xbuf[1], c, c_size);
4001 		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4002 		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4003 	} else {
4004 		sg_init_one(&dst, outbuf_enc, out_len_max);
4005 		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4006 					   out_len_max);
4007 	}
4008 	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4009 				      crypto_req_done, &wait);
4010 
4011 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4012 			      /* Run asymmetric signature verification */
4013 			      crypto_akcipher_verify(req) :
4014 			      /* Run asymmetric encrypt */
4015 			      crypto_akcipher_encrypt(req), &wait);
4016 	if (err) {
4017 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4018 		goto free_all;
4019 	}
4020 	if (!vecs->siggen_sigver_test && c) {
4021 		if (req->dst_len != c_size) {
4022 			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4023 			       op);
4024 			err = -EINVAL;
4025 			goto free_all;
4026 		}
4027 		/* verify that encrypted message is equal to expected */
4028 		if (memcmp(c, outbuf_enc, c_size) != 0) {
4029 			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4030 			       op);
4031 			hexdump(outbuf_enc, c_size);
4032 			err = -EINVAL;
4033 			goto free_all;
4034 		}
4035 	}
4036 
4037 	/*
4038 	 * Don't invoke (decrypt or sign) test which require a private key
4039 	 * for vectors with only a public key.
4040 	 */
4041 	if (vecs->public_key_vec) {
4042 		err = 0;
4043 		goto free_all;
4044 	}
4045 	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4046 	if (!outbuf_dec) {
4047 		err = -ENOMEM;
4048 		goto free_all;
4049 	}
4050 
4051 	if (!vecs->siggen_sigver_test && !c) {
4052 		c = outbuf_enc;
4053 		c_size = req->dst_len;
4054 	}
4055 
4056 	err = -E2BIG;
4057 	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4058 	if (WARN_ON(c_size > PAGE_SIZE))
4059 		goto free_all;
4060 	memcpy(xbuf[0], c, c_size);
4061 
4062 	sg_init_one(&src, xbuf[0], c_size);
4063 	sg_init_one(&dst, outbuf_dec, out_len_max);
4064 	crypto_init_wait(&wait);
4065 	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4066 
4067 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4068 			      /* Run asymmetric signature generation */
4069 			      crypto_akcipher_sign(req) :
4070 			      /* Run asymmetric decrypt */
4071 			      crypto_akcipher_decrypt(req), &wait);
4072 	if (err) {
4073 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4074 		goto free_all;
4075 	}
4076 	out_len = req->dst_len;
4077 	if (out_len < m_size) {
4078 		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4079 		       op, out_len);
4080 		err = -EINVAL;
4081 		goto free_all;
4082 	}
4083 	/* verify that decrypted message is equal to the original msg */
4084 	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4085 	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4086 		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4087 		hexdump(outbuf_dec, out_len);
4088 		err = -EINVAL;
4089 	}
4090 free_all:
4091 	kfree(outbuf_dec);
4092 	kfree(outbuf_enc);
4093 free_key:
4094 	kfree(key);
4095 free_req:
4096 	akcipher_request_free(req);
4097 free_xbuf:
4098 	testmgr_free_buf(xbuf);
4099 	return err;
4100 }
4101 
4102 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4103 			 const struct akcipher_testvec *vecs,
4104 			 unsigned int tcount)
4105 {
4106 	const char *algo =
4107 		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4108 	int ret, i;
4109 
4110 	for (i = 0; i < tcount; i++) {
4111 		ret = test_akcipher_one(tfm, vecs++);
4112 		if (!ret)
4113 			continue;
4114 
4115 		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4116 		       i + 1, algo, ret);
4117 		return ret;
4118 	}
4119 	return 0;
4120 }
4121 
4122 static int alg_test_akcipher(const struct alg_test_desc *desc,
4123 			     const char *driver, u32 type, u32 mask)
4124 {
4125 	struct crypto_akcipher *tfm;
4126 	int err = 0;
4127 
4128 	tfm = crypto_alloc_akcipher(driver, type, mask);
4129 	if (IS_ERR(tfm)) {
4130 		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4131 		       driver, PTR_ERR(tfm));
4132 		return PTR_ERR(tfm);
4133 	}
4134 	if (desc->suite.akcipher.vecs)
4135 		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4136 				    desc->suite.akcipher.count);
4137 
4138 	crypto_free_akcipher(tfm);
4139 	return err;
4140 }
4141 
4142 static int alg_test_null(const struct alg_test_desc *desc,
4143 			     const char *driver, u32 type, u32 mask)
4144 {
4145 	return 0;
4146 }
4147 
4148 #define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4149 #define __VECS(tv)	{ ____VECS(tv) }
4150 
4151 /* Please keep this list sorted by algorithm name. */
4152 static const struct alg_test_desc alg_test_descs[] = {
4153 	{
4154 		.alg = "adiantum(xchacha12,aes)",
4155 		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4156 		.test = alg_test_skcipher,
4157 		.suite = {
4158 			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4159 		},
4160 	}, {
4161 		.alg = "adiantum(xchacha20,aes)",
4162 		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4163 		.test = alg_test_skcipher,
4164 		.suite = {
4165 			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4166 		},
4167 	}, {
4168 		.alg = "aegis128",
4169 		.test = alg_test_aead,
4170 		.suite = {
4171 			.aead = __VECS(aegis128_tv_template)
4172 		}
4173 	}, {
4174 		.alg = "ansi_cprng",
4175 		.test = alg_test_cprng,
4176 		.suite = {
4177 			.cprng = __VECS(ansi_cprng_aes_tv_template)
4178 		}
4179 	}, {
4180 		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4181 		.test = alg_test_aead,
4182 		.suite = {
4183 			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4184 		}
4185 	}, {
4186 		.alg = "authenc(hmac(sha1),cbc(aes))",
4187 		.test = alg_test_aead,
4188 		.fips_allowed = 1,
4189 		.suite = {
4190 			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4191 		}
4192 	}, {
4193 		.alg = "authenc(hmac(sha1),cbc(des))",
4194 		.test = alg_test_aead,
4195 		.suite = {
4196 			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4197 		}
4198 	}, {
4199 		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4200 		.test = alg_test_aead,
4201 		.fips_allowed = 1,
4202 		.suite = {
4203 			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4204 		}
4205 	}, {
4206 		.alg = "authenc(hmac(sha1),ctr(aes))",
4207 		.test = alg_test_null,
4208 		.fips_allowed = 1,
4209 	}, {
4210 		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4211 		.test = alg_test_aead,
4212 		.suite = {
4213 			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4214 		}
4215 	}, {
4216 		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4217 		.test = alg_test_null,
4218 		.fips_allowed = 1,
4219 	}, {
4220 		.alg = "authenc(hmac(sha224),cbc(des))",
4221 		.test = alg_test_aead,
4222 		.suite = {
4223 			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4224 		}
4225 	}, {
4226 		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4227 		.test = alg_test_aead,
4228 		.fips_allowed = 1,
4229 		.suite = {
4230 			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4231 		}
4232 	}, {
4233 		.alg = "authenc(hmac(sha256),cbc(aes))",
4234 		.test = alg_test_aead,
4235 		.fips_allowed = 1,
4236 		.suite = {
4237 			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4238 		}
4239 	}, {
4240 		.alg = "authenc(hmac(sha256),cbc(des))",
4241 		.test = alg_test_aead,
4242 		.suite = {
4243 			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4244 		}
4245 	}, {
4246 		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4247 		.test = alg_test_aead,
4248 		.fips_allowed = 1,
4249 		.suite = {
4250 			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4251 		}
4252 	}, {
4253 		.alg = "authenc(hmac(sha256),ctr(aes))",
4254 		.test = alg_test_null,
4255 		.fips_allowed = 1,
4256 	}, {
4257 		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4258 		.test = alg_test_null,
4259 		.fips_allowed = 1,
4260 	}, {
4261 		.alg = "authenc(hmac(sha384),cbc(des))",
4262 		.test = alg_test_aead,
4263 		.suite = {
4264 			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4265 		}
4266 	}, {
4267 		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4268 		.test = alg_test_aead,
4269 		.fips_allowed = 1,
4270 		.suite = {
4271 			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4272 		}
4273 	}, {
4274 		.alg = "authenc(hmac(sha384),ctr(aes))",
4275 		.test = alg_test_null,
4276 		.fips_allowed = 1,
4277 	}, {
4278 		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4279 		.test = alg_test_null,
4280 		.fips_allowed = 1,
4281 	}, {
4282 		.alg = "authenc(hmac(sha512),cbc(aes))",
4283 		.fips_allowed = 1,
4284 		.test = alg_test_aead,
4285 		.suite = {
4286 			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4287 		}
4288 	}, {
4289 		.alg = "authenc(hmac(sha512),cbc(des))",
4290 		.test = alg_test_aead,
4291 		.suite = {
4292 			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4293 		}
4294 	}, {
4295 		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4296 		.test = alg_test_aead,
4297 		.fips_allowed = 1,
4298 		.suite = {
4299 			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4300 		}
4301 	}, {
4302 		.alg = "authenc(hmac(sha512),ctr(aes))",
4303 		.test = alg_test_null,
4304 		.fips_allowed = 1,
4305 	}, {
4306 		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4307 		.test = alg_test_null,
4308 		.fips_allowed = 1,
4309 	}, {
4310 		.alg = "blake2b-160",
4311 		.test = alg_test_hash,
4312 		.fips_allowed = 0,
4313 		.suite = {
4314 			.hash = __VECS(blake2b_160_tv_template)
4315 		}
4316 	}, {
4317 		.alg = "blake2b-256",
4318 		.test = alg_test_hash,
4319 		.fips_allowed = 0,
4320 		.suite = {
4321 			.hash = __VECS(blake2b_256_tv_template)
4322 		}
4323 	}, {
4324 		.alg = "blake2b-384",
4325 		.test = alg_test_hash,
4326 		.fips_allowed = 0,
4327 		.suite = {
4328 			.hash = __VECS(blake2b_384_tv_template)
4329 		}
4330 	}, {
4331 		.alg = "blake2b-512",
4332 		.test = alg_test_hash,
4333 		.fips_allowed = 0,
4334 		.suite = {
4335 			.hash = __VECS(blake2b_512_tv_template)
4336 		}
4337 	}, {
4338 		.alg = "blake2s-128",
4339 		.test = alg_test_hash,
4340 		.suite = {
4341 			.hash = __VECS(blakes2s_128_tv_template)
4342 		}
4343 	}, {
4344 		.alg = "blake2s-160",
4345 		.test = alg_test_hash,
4346 		.suite = {
4347 			.hash = __VECS(blakes2s_160_tv_template)
4348 		}
4349 	}, {
4350 		.alg = "blake2s-224",
4351 		.test = alg_test_hash,
4352 		.suite = {
4353 			.hash = __VECS(blakes2s_224_tv_template)
4354 		}
4355 	}, {
4356 		.alg = "blake2s-256",
4357 		.test = alg_test_hash,
4358 		.suite = {
4359 			.hash = __VECS(blakes2s_256_tv_template)
4360 		}
4361 	}, {
4362 		.alg = "cbc(aes)",
4363 		.test = alg_test_skcipher,
4364 		.fips_allowed = 1,
4365 		.suite = {
4366 			.cipher = __VECS(aes_cbc_tv_template)
4367 		},
4368 	}, {
4369 		.alg = "cbc(anubis)",
4370 		.test = alg_test_skcipher,
4371 		.suite = {
4372 			.cipher = __VECS(anubis_cbc_tv_template)
4373 		},
4374 	}, {
4375 		.alg = "cbc(blowfish)",
4376 		.test = alg_test_skcipher,
4377 		.suite = {
4378 			.cipher = __VECS(bf_cbc_tv_template)
4379 		},
4380 	}, {
4381 		.alg = "cbc(camellia)",
4382 		.test = alg_test_skcipher,
4383 		.suite = {
4384 			.cipher = __VECS(camellia_cbc_tv_template)
4385 		},
4386 	}, {
4387 		.alg = "cbc(cast5)",
4388 		.test = alg_test_skcipher,
4389 		.suite = {
4390 			.cipher = __VECS(cast5_cbc_tv_template)
4391 		},
4392 	}, {
4393 		.alg = "cbc(cast6)",
4394 		.test = alg_test_skcipher,
4395 		.suite = {
4396 			.cipher = __VECS(cast6_cbc_tv_template)
4397 		},
4398 	}, {
4399 		.alg = "cbc(des)",
4400 		.test = alg_test_skcipher,
4401 		.suite = {
4402 			.cipher = __VECS(des_cbc_tv_template)
4403 		},
4404 	}, {
4405 		.alg = "cbc(des3_ede)",
4406 		.test = alg_test_skcipher,
4407 		.fips_allowed = 1,
4408 		.suite = {
4409 			.cipher = __VECS(des3_ede_cbc_tv_template)
4410 		},
4411 	}, {
4412 		/* Same as cbc(aes) except the key is stored in
4413 		 * hardware secure memory which we reference by index
4414 		 */
4415 		.alg = "cbc(paes)",
4416 		.test = alg_test_null,
4417 		.fips_allowed = 1,
4418 	}, {
4419 		/* Same as cbc(sm4) except the key is stored in
4420 		 * hardware secure memory which we reference by index
4421 		 */
4422 		.alg = "cbc(psm4)",
4423 		.test = alg_test_null,
4424 	}, {
4425 		.alg = "cbc(serpent)",
4426 		.test = alg_test_skcipher,
4427 		.suite = {
4428 			.cipher = __VECS(serpent_cbc_tv_template)
4429 		},
4430 	}, {
4431 		.alg = "cbc(sm4)",
4432 		.test = alg_test_skcipher,
4433 		.suite = {
4434 			.cipher = __VECS(sm4_cbc_tv_template)
4435 		}
4436 	}, {
4437 		.alg = "cbc(twofish)",
4438 		.test = alg_test_skcipher,
4439 		.suite = {
4440 			.cipher = __VECS(tf_cbc_tv_template)
4441 		},
4442 	}, {
4443 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4444 		.alg = "cbc-paes-s390",
4445 		.fips_allowed = 1,
4446 		.test = alg_test_skcipher,
4447 		.suite = {
4448 			.cipher = __VECS(aes_cbc_tv_template)
4449 		}
4450 	}, {
4451 #endif
4452 		.alg = "cbcmac(aes)",
4453 		.fips_allowed = 1,
4454 		.test = alg_test_hash,
4455 		.suite = {
4456 			.hash = __VECS(aes_cbcmac_tv_template)
4457 		}
4458 	}, {
4459 		.alg = "ccm(aes)",
4460 		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4461 		.test = alg_test_aead,
4462 		.fips_allowed = 1,
4463 		.suite = {
4464 			.aead = {
4465 				____VECS(aes_ccm_tv_template),
4466 				.einval_allowed = 1,
4467 			}
4468 		}
4469 	}, {
4470 		.alg = "cfb(aes)",
4471 		.test = alg_test_skcipher,
4472 		.fips_allowed = 1,
4473 		.suite = {
4474 			.cipher = __VECS(aes_cfb_tv_template)
4475 		},
4476 	}, {
4477 		.alg = "cfb(sm4)",
4478 		.test = alg_test_skcipher,
4479 		.suite = {
4480 			.cipher = __VECS(sm4_cfb_tv_template)
4481 		}
4482 	}, {
4483 		.alg = "chacha20",
4484 		.test = alg_test_skcipher,
4485 		.suite = {
4486 			.cipher = __VECS(chacha20_tv_template)
4487 		},
4488 	}, {
4489 		.alg = "cmac(aes)",
4490 		.fips_allowed = 1,
4491 		.test = alg_test_hash,
4492 		.suite = {
4493 			.hash = __VECS(aes_cmac128_tv_template)
4494 		}
4495 	}, {
4496 		.alg = "cmac(des3_ede)",
4497 		.fips_allowed = 1,
4498 		.test = alg_test_hash,
4499 		.suite = {
4500 			.hash = __VECS(des3_ede_cmac64_tv_template)
4501 		}
4502 	}, {
4503 		.alg = "compress_null",
4504 		.test = alg_test_null,
4505 	}, {
4506 		.alg = "crc32",
4507 		.test = alg_test_hash,
4508 		.fips_allowed = 1,
4509 		.suite = {
4510 			.hash = __VECS(crc32_tv_template)
4511 		}
4512 	}, {
4513 		.alg = "crc32c",
4514 		.test = alg_test_crc32c,
4515 		.fips_allowed = 1,
4516 		.suite = {
4517 			.hash = __VECS(crc32c_tv_template)
4518 		}
4519 	}, {
4520 		.alg = "crct10dif",
4521 		.test = alg_test_hash,
4522 		.fips_allowed = 1,
4523 		.suite = {
4524 			.hash = __VECS(crct10dif_tv_template)
4525 		}
4526 	}, {
4527 		.alg = "ctr(aes)",
4528 		.test = alg_test_skcipher,
4529 		.fips_allowed = 1,
4530 		.suite = {
4531 			.cipher = __VECS(aes_ctr_tv_template)
4532 		}
4533 	}, {
4534 		.alg = "ctr(blowfish)",
4535 		.test = alg_test_skcipher,
4536 		.suite = {
4537 			.cipher = __VECS(bf_ctr_tv_template)
4538 		}
4539 	}, {
4540 		.alg = "ctr(camellia)",
4541 		.test = alg_test_skcipher,
4542 		.suite = {
4543 			.cipher = __VECS(camellia_ctr_tv_template)
4544 		}
4545 	}, {
4546 		.alg = "ctr(cast5)",
4547 		.test = alg_test_skcipher,
4548 		.suite = {
4549 			.cipher = __VECS(cast5_ctr_tv_template)
4550 		}
4551 	}, {
4552 		.alg = "ctr(cast6)",
4553 		.test = alg_test_skcipher,
4554 		.suite = {
4555 			.cipher = __VECS(cast6_ctr_tv_template)
4556 		}
4557 	}, {
4558 		.alg = "ctr(des)",
4559 		.test = alg_test_skcipher,
4560 		.suite = {
4561 			.cipher = __VECS(des_ctr_tv_template)
4562 		}
4563 	}, {
4564 		.alg = "ctr(des3_ede)",
4565 		.test = alg_test_skcipher,
4566 		.fips_allowed = 1,
4567 		.suite = {
4568 			.cipher = __VECS(des3_ede_ctr_tv_template)
4569 		}
4570 	}, {
4571 		/* Same as ctr(aes) except the key is stored in
4572 		 * hardware secure memory which we reference by index
4573 		 */
4574 		.alg = "ctr(paes)",
4575 		.test = alg_test_null,
4576 		.fips_allowed = 1,
4577 	}, {
4578 
4579 		/* Same as ctr(sm4) except the key is stored in
4580 		 * hardware secure memory which we reference by index
4581 		 */
4582 		.alg = "ctr(psm4)",
4583 		.test = alg_test_null,
4584 	}, {
4585 		.alg = "ctr(serpent)",
4586 		.test = alg_test_skcipher,
4587 		.suite = {
4588 			.cipher = __VECS(serpent_ctr_tv_template)
4589 		}
4590 	}, {
4591 		.alg = "ctr(sm4)",
4592 		.test = alg_test_skcipher,
4593 		.suite = {
4594 			.cipher = __VECS(sm4_ctr_tv_template)
4595 		}
4596 	}, {
4597 		.alg = "ctr(twofish)",
4598 		.test = alg_test_skcipher,
4599 		.suite = {
4600 			.cipher = __VECS(tf_ctr_tv_template)
4601 		}
4602 	}, {
4603 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4604 		.alg = "ctr-paes-s390",
4605 		.fips_allowed = 1,
4606 		.test = alg_test_skcipher,
4607 		.suite = {
4608 			.cipher = __VECS(aes_ctr_tv_template)
4609 		}
4610 	}, {
4611 #endif
4612 		.alg = "cts(cbc(aes))",
4613 		.test = alg_test_skcipher,
4614 		.fips_allowed = 1,
4615 		.suite = {
4616 			.cipher = __VECS(cts_mode_tv_template)
4617 		}
4618 	}, {
4619 		/* Same as cts(cbc((aes)) except the key is stored in
4620 		 * hardware secure memory which we reference by index
4621 		 */
4622 		.alg = "cts(cbc(paes))",
4623 		.test = alg_test_null,
4624 		.fips_allowed = 1,
4625 	}, {
4626 		.alg = "curve25519",
4627 		.test = alg_test_kpp,
4628 		.suite = {
4629 			.kpp = __VECS(curve25519_tv_template)
4630 		}
4631 	}, {
4632 		.alg = "deflate",
4633 		.test = alg_test_comp,
4634 		.fips_allowed = 1,
4635 		.suite = {
4636 			.comp = {
4637 				.comp = __VECS(deflate_comp_tv_template),
4638 				.decomp = __VECS(deflate_decomp_tv_template)
4639 			}
4640 		}
4641 	}, {
4642 		.alg = "dh",
4643 		.test = alg_test_kpp,
4644 		.fips_allowed = 1,
4645 		.suite = {
4646 			.kpp = __VECS(dh_tv_template)
4647 		}
4648 	}, {
4649 		.alg = "digest_null",
4650 		.test = alg_test_null,
4651 	}, {
4652 		.alg = "drbg_nopr_ctr_aes128",
4653 		.test = alg_test_drbg,
4654 		.fips_allowed = 1,
4655 		.suite = {
4656 			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4657 		}
4658 	}, {
4659 		.alg = "drbg_nopr_ctr_aes192",
4660 		.test = alg_test_drbg,
4661 		.fips_allowed = 1,
4662 		.suite = {
4663 			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4664 		}
4665 	}, {
4666 		.alg = "drbg_nopr_ctr_aes256",
4667 		.test = alg_test_drbg,
4668 		.fips_allowed = 1,
4669 		.suite = {
4670 			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4671 		}
4672 	}, {
4673 		/*
4674 		 * There is no need to specifically test the DRBG with every
4675 		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4676 		 */
4677 		.alg = "drbg_nopr_hmac_sha1",
4678 		.fips_allowed = 1,
4679 		.test = alg_test_null,
4680 	}, {
4681 		.alg = "drbg_nopr_hmac_sha256",
4682 		.test = alg_test_drbg,
4683 		.fips_allowed = 1,
4684 		.suite = {
4685 			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4686 		}
4687 	}, {
4688 		/* covered by drbg_nopr_hmac_sha256 test */
4689 		.alg = "drbg_nopr_hmac_sha384",
4690 		.fips_allowed = 1,
4691 		.test = alg_test_null,
4692 	}, {
4693 		.alg = "drbg_nopr_hmac_sha512",
4694 		.test = alg_test_null,
4695 		.fips_allowed = 1,
4696 	}, {
4697 		.alg = "drbg_nopr_sha1",
4698 		.fips_allowed = 1,
4699 		.test = alg_test_null,
4700 	}, {
4701 		.alg = "drbg_nopr_sha256",
4702 		.test = alg_test_drbg,
4703 		.fips_allowed = 1,
4704 		.suite = {
4705 			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4706 		}
4707 	}, {
4708 		/* covered by drbg_nopr_sha256 test */
4709 		.alg = "drbg_nopr_sha384",
4710 		.fips_allowed = 1,
4711 		.test = alg_test_null,
4712 	}, {
4713 		.alg = "drbg_nopr_sha512",
4714 		.fips_allowed = 1,
4715 		.test = alg_test_null,
4716 	}, {
4717 		.alg = "drbg_pr_ctr_aes128",
4718 		.test = alg_test_drbg,
4719 		.fips_allowed = 1,
4720 		.suite = {
4721 			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4722 		}
4723 	}, {
4724 		/* covered by drbg_pr_ctr_aes128 test */
4725 		.alg = "drbg_pr_ctr_aes192",
4726 		.fips_allowed = 1,
4727 		.test = alg_test_null,
4728 	}, {
4729 		.alg = "drbg_pr_ctr_aes256",
4730 		.fips_allowed = 1,
4731 		.test = alg_test_null,
4732 	}, {
4733 		.alg = "drbg_pr_hmac_sha1",
4734 		.fips_allowed = 1,
4735 		.test = alg_test_null,
4736 	}, {
4737 		.alg = "drbg_pr_hmac_sha256",
4738 		.test = alg_test_drbg,
4739 		.fips_allowed = 1,
4740 		.suite = {
4741 			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4742 		}
4743 	}, {
4744 		/* covered by drbg_pr_hmac_sha256 test */
4745 		.alg = "drbg_pr_hmac_sha384",
4746 		.fips_allowed = 1,
4747 		.test = alg_test_null,
4748 	}, {
4749 		.alg = "drbg_pr_hmac_sha512",
4750 		.test = alg_test_null,
4751 		.fips_allowed = 1,
4752 	}, {
4753 		.alg = "drbg_pr_sha1",
4754 		.fips_allowed = 1,
4755 		.test = alg_test_null,
4756 	}, {
4757 		.alg = "drbg_pr_sha256",
4758 		.test = alg_test_drbg,
4759 		.fips_allowed = 1,
4760 		.suite = {
4761 			.drbg = __VECS(drbg_pr_sha256_tv_template)
4762 		}
4763 	}, {
4764 		/* covered by drbg_pr_sha256 test */
4765 		.alg = "drbg_pr_sha384",
4766 		.fips_allowed = 1,
4767 		.test = alg_test_null,
4768 	}, {
4769 		.alg = "drbg_pr_sha512",
4770 		.fips_allowed = 1,
4771 		.test = alg_test_null,
4772 	}, {
4773 		.alg = "ecb(aes)",
4774 		.test = alg_test_skcipher,
4775 		.fips_allowed = 1,
4776 		.suite = {
4777 			.cipher = __VECS(aes_tv_template)
4778 		}
4779 	}, {
4780 		.alg = "ecb(anubis)",
4781 		.test = alg_test_skcipher,
4782 		.suite = {
4783 			.cipher = __VECS(anubis_tv_template)
4784 		}
4785 	}, {
4786 		.alg = "ecb(arc4)",
4787 		.generic_driver = "ecb(arc4)-generic",
4788 		.test = alg_test_skcipher,
4789 		.suite = {
4790 			.cipher = __VECS(arc4_tv_template)
4791 		}
4792 	}, {
4793 		.alg = "ecb(blowfish)",
4794 		.test = alg_test_skcipher,
4795 		.suite = {
4796 			.cipher = __VECS(bf_tv_template)
4797 		}
4798 	}, {
4799 		.alg = "ecb(camellia)",
4800 		.test = alg_test_skcipher,
4801 		.suite = {
4802 			.cipher = __VECS(camellia_tv_template)
4803 		}
4804 	}, {
4805 		.alg = "ecb(cast5)",
4806 		.test = alg_test_skcipher,
4807 		.suite = {
4808 			.cipher = __VECS(cast5_tv_template)
4809 		}
4810 	}, {
4811 		.alg = "ecb(cast6)",
4812 		.test = alg_test_skcipher,
4813 		.suite = {
4814 			.cipher = __VECS(cast6_tv_template)
4815 		}
4816 	}, {
4817 		.alg = "ecb(cipher_null)",
4818 		.test = alg_test_null,
4819 		.fips_allowed = 1,
4820 	}, {
4821 		.alg = "ecb(des)",
4822 		.test = alg_test_skcipher,
4823 		.suite = {
4824 			.cipher = __VECS(des_tv_template)
4825 		}
4826 	}, {
4827 		.alg = "ecb(des3_ede)",
4828 		.test = alg_test_skcipher,
4829 		.fips_allowed = 1,
4830 		.suite = {
4831 			.cipher = __VECS(des3_ede_tv_template)
4832 		}
4833 	}, {
4834 		.alg = "ecb(fcrypt)",
4835 		.test = alg_test_skcipher,
4836 		.suite = {
4837 			.cipher = {
4838 				.vecs = fcrypt_pcbc_tv_template,
4839 				.count = 1
4840 			}
4841 		}
4842 	}, {
4843 		.alg = "ecb(khazad)",
4844 		.test = alg_test_skcipher,
4845 		.suite = {
4846 			.cipher = __VECS(khazad_tv_template)
4847 		}
4848 	}, {
4849 		/* Same as ecb(aes) except the key is stored in
4850 		 * hardware secure memory which we reference by index
4851 		 */
4852 		.alg = "ecb(paes)",
4853 		.test = alg_test_null,
4854 		.fips_allowed = 1,
4855 	}, {
4856 		.alg = "ecb(seed)",
4857 		.test = alg_test_skcipher,
4858 		.suite = {
4859 			.cipher = __VECS(seed_tv_template)
4860 		}
4861 	}, {
4862 		.alg = "ecb(serpent)",
4863 		.test = alg_test_skcipher,
4864 		.suite = {
4865 			.cipher = __VECS(serpent_tv_template)
4866 		}
4867 	}, {
4868 		.alg = "ecb(sm4)",
4869 		.test = alg_test_skcipher,
4870 		.suite = {
4871 			.cipher = __VECS(sm4_tv_template)
4872 		}
4873 	}, {
4874 		.alg = "ecb(tea)",
4875 		.test = alg_test_skcipher,
4876 		.suite = {
4877 			.cipher = __VECS(tea_tv_template)
4878 		}
4879 	}, {
4880 		.alg = "ecb(twofish)",
4881 		.test = alg_test_skcipher,
4882 		.suite = {
4883 			.cipher = __VECS(tf_tv_template)
4884 		}
4885 	}, {
4886 		.alg = "ecb(xeta)",
4887 		.test = alg_test_skcipher,
4888 		.suite = {
4889 			.cipher = __VECS(xeta_tv_template)
4890 		}
4891 	}, {
4892 		.alg = "ecb(xtea)",
4893 		.test = alg_test_skcipher,
4894 		.suite = {
4895 			.cipher = __VECS(xtea_tv_template)
4896 		}
4897 	}, {
4898 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4899 		.alg = "ecb-paes-s390",
4900 		.fips_allowed = 1,
4901 		.test = alg_test_skcipher,
4902 		.suite = {
4903 			.cipher = __VECS(aes_tv_template)
4904 		}
4905 	}, {
4906 #endif
4907 		.alg = "ecdh",
4908 		.test = alg_test_kpp,
4909 		.fips_allowed = 1,
4910 		.suite = {
4911 			.kpp = __VECS(ecdh_tv_template)
4912 		}
4913 	}, {
4914 		.alg = "ecrdsa",
4915 		.test = alg_test_akcipher,
4916 		.suite = {
4917 			.akcipher = __VECS(ecrdsa_tv_template)
4918 		}
4919 	}, {
4920 		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4921 		.test = alg_test_aead,
4922 		.fips_allowed = 1,
4923 		.suite = {
4924 			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4925 		}
4926 	}, {
4927 		.alg = "essiv(cbc(aes),sha256)",
4928 		.test = alg_test_skcipher,
4929 		.fips_allowed = 1,
4930 		.suite = {
4931 			.cipher = __VECS(essiv_aes_cbc_tv_template)
4932 		}
4933 	}, {
4934 		.alg = "gcm(aes)",
4935 		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4936 		.test = alg_test_aead,
4937 		.fips_allowed = 1,
4938 		.suite = {
4939 			.aead = __VECS(aes_gcm_tv_template)
4940 		}
4941 	}, {
4942 		.alg = "ghash",
4943 		.test = alg_test_hash,
4944 		.fips_allowed = 1,
4945 		.suite = {
4946 			.hash = __VECS(ghash_tv_template)
4947 		}
4948 	}, {
4949 		.alg = "hmac(md5)",
4950 		.test = alg_test_hash,
4951 		.suite = {
4952 			.hash = __VECS(hmac_md5_tv_template)
4953 		}
4954 	}, {
4955 		.alg = "hmac(rmd160)",
4956 		.test = alg_test_hash,
4957 		.suite = {
4958 			.hash = __VECS(hmac_rmd160_tv_template)
4959 		}
4960 	}, {
4961 		.alg = "hmac(sha1)",
4962 		.test = alg_test_hash,
4963 		.fips_allowed = 1,
4964 		.suite = {
4965 			.hash = __VECS(hmac_sha1_tv_template)
4966 		}
4967 	}, {
4968 		.alg = "hmac(sha224)",
4969 		.test = alg_test_hash,
4970 		.fips_allowed = 1,
4971 		.suite = {
4972 			.hash = __VECS(hmac_sha224_tv_template)
4973 		}
4974 	}, {
4975 		.alg = "hmac(sha256)",
4976 		.test = alg_test_hash,
4977 		.fips_allowed = 1,
4978 		.suite = {
4979 			.hash = __VECS(hmac_sha256_tv_template)
4980 		}
4981 	}, {
4982 		.alg = "hmac(sha3-224)",
4983 		.test = alg_test_hash,
4984 		.fips_allowed = 1,
4985 		.suite = {
4986 			.hash = __VECS(hmac_sha3_224_tv_template)
4987 		}
4988 	}, {
4989 		.alg = "hmac(sha3-256)",
4990 		.test = alg_test_hash,
4991 		.fips_allowed = 1,
4992 		.suite = {
4993 			.hash = __VECS(hmac_sha3_256_tv_template)
4994 		}
4995 	}, {
4996 		.alg = "hmac(sha3-384)",
4997 		.test = alg_test_hash,
4998 		.fips_allowed = 1,
4999 		.suite = {
5000 			.hash = __VECS(hmac_sha3_384_tv_template)
5001 		}
5002 	}, {
5003 		.alg = "hmac(sha3-512)",
5004 		.test = alg_test_hash,
5005 		.fips_allowed = 1,
5006 		.suite = {
5007 			.hash = __VECS(hmac_sha3_512_tv_template)
5008 		}
5009 	}, {
5010 		.alg = "hmac(sha384)",
5011 		.test = alg_test_hash,
5012 		.fips_allowed = 1,
5013 		.suite = {
5014 			.hash = __VECS(hmac_sha384_tv_template)
5015 		}
5016 	}, {
5017 		.alg = "hmac(sha512)",
5018 		.test = alg_test_hash,
5019 		.fips_allowed = 1,
5020 		.suite = {
5021 			.hash = __VECS(hmac_sha512_tv_template)
5022 		}
5023 	}, {
5024 		.alg = "hmac(sm3)",
5025 		.test = alg_test_hash,
5026 		.suite = {
5027 			.hash = __VECS(hmac_sm3_tv_template)
5028 		}
5029 	}, {
5030 		.alg = "hmac(streebog256)",
5031 		.test = alg_test_hash,
5032 		.suite = {
5033 			.hash = __VECS(hmac_streebog256_tv_template)
5034 		}
5035 	}, {
5036 		.alg = "hmac(streebog512)",
5037 		.test = alg_test_hash,
5038 		.suite = {
5039 			.hash = __VECS(hmac_streebog512_tv_template)
5040 		}
5041 	}, {
5042 		.alg = "jitterentropy_rng",
5043 		.fips_allowed = 1,
5044 		.test = alg_test_null,
5045 	}, {
5046 		.alg = "kw(aes)",
5047 		.test = alg_test_skcipher,
5048 		.fips_allowed = 1,
5049 		.suite = {
5050 			.cipher = __VECS(aes_kw_tv_template)
5051 		}
5052 	}, {
5053 		.alg = "lrw(aes)",
5054 		.generic_driver = "lrw(ecb(aes-generic))",
5055 		.test = alg_test_skcipher,
5056 		.suite = {
5057 			.cipher = __VECS(aes_lrw_tv_template)
5058 		}
5059 	}, {
5060 		.alg = "lrw(camellia)",
5061 		.generic_driver = "lrw(ecb(camellia-generic))",
5062 		.test = alg_test_skcipher,
5063 		.suite = {
5064 			.cipher = __VECS(camellia_lrw_tv_template)
5065 		}
5066 	}, {
5067 		.alg = "lrw(cast6)",
5068 		.generic_driver = "lrw(ecb(cast6-generic))",
5069 		.test = alg_test_skcipher,
5070 		.suite = {
5071 			.cipher = __VECS(cast6_lrw_tv_template)
5072 		}
5073 	}, {
5074 		.alg = "lrw(serpent)",
5075 		.generic_driver = "lrw(ecb(serpent-generic))",
5076 		.test = alg_test_skcipher,
5077 		.suite = {
5078 			.cipher = __VECS(serpent_lrw_tv_template)
5079 		}
5080 	}, {
5081 		.alg = "lrw(twofish)",
5082 		.generic_driver = "lrw(ecb(twofish-generic))",
5083 		.test = alg_test_skcipher,
5084 		.suite = {
5085 			.cipher = __VECS(tf_lrw_tv_template)
5086 		}
5087 	}, {
5088 		.alg = "lz4",
5089 		.test = alg_test_comp,
5090 		.fips_allowed = 1,
5091 		.suite = {
5092 			.comp = {
5093 				.comp = __VECS(lz4_comp_tv_template),
5094 				.decomp = __VECS(lz4_decomp_tv_template)
5095 			}
5096 		}
5097 	}, {
5098 		.alg = "lz4hc",
5099 		.test = alg_test_comp,
5100 		.fips_allowed = 1,
5101 		.suite = {
5102 			.comp = {
5103 				.comp = __VECS(lz4hc_comp_tv_template),
5104 				.decomp = __VECS(lz4hc_decomp_tv_template)
5105 			}
5106 		}
5107 	}, {
5108 		.alg = "lzo",
5109 		.test = alg_test_comp,
5110 		.fips_allowed = 1,
5111 		.suite = {
5112 			.comp = {
5113 				.comp = __VECS(lzo_comp_tv_template),
5114 				.decomp = __VECS(lzo_decomp_tv_template)
5115 			}
5116 		}
5117 	}, {
5118 		.alg = "lzo-rle",
5119 		.test = alg_test_comp,
5120 		.fips_allowed = 1,
5121 		.suite = {
5122 			.comp = {
5123 				.comp = __VECS(lzorle_comp_tv_template),
5124 				.decomp = __VECS(lzorle_decomp_tv_template)
5125 			}
5126 		}
5127 	}, {
5128 		.alg = "md4",
5129 		.test = alg_test_hash,
5130 		.suite = {
5131 			.hash = __VECS(md4_tv_template)
5132 		}
5133 	}, {
5134 		.alg = "md5",
5135 		.test = alg_test_hash,
5136 		.suite = {
5137 			.hash = __VECS(md5_tv_template)
5138 		}
5139 	}, {
5140 		.alg = "michael_mic",
5141 		.test = alg_test_hash,
5142 		.suite = {
5143 			.hash = __VECS(michael_mic_tv_template)
5144 		}
5145 	}, {
5146 		.alg = "nhpoly1305",
5147 		.test = alg_test_hash,
5148 		.suite = {
5149 			.hash = __VECS(nhpoly1305_tv_template)
5150 		}
5151 	}, {
5152 		.alg = "ofb(aes)",
5153 		.test = alg_test_skcipher,
5154 		.fips_allowed = 1,
5155 		.suite = {
5156 			.cipher = __VECS(aes_ofb_tv_template)
5157 		}
5158 	}, {
5159 		/* Same as ofb(aes) except the key is stored in
5160 		 * hardware secure memory which we reference by index
5161 		 */
5162 		.alg = "ofb(paes)",
5163 		.test = alg_test_null,
5164 		.fips_allowed = 1,
5165 	}, {
5166 		.alg = "ofb(sm4)",
5167 		.test = alg_test_skcipher,
5168 		.suite = {
5169 			.cipher = __VECS(sm4_ofb_tv_template)
5170 		}
5171 	}, {
5172 		.alg = "pcbc(fcrypt)",
5173 		.test = alg_test_skcipher,
5174 		.suite = {
5175 			.cipher = __VECS(fcrypt_pcbc_tv_template)
5176 		}
5177 	}, {
5178 		.alg = "pkcs1pad(rsa,sha224)",
5179 		.test = alg_test_null,
5180 		.fips_allowed = 1,
5181 	}, {
5182 		.alg = "pkcs1pad(rsa,sha256)",
5183 		.test = alg_test_akcipher,
5184 		.fips_allowed = 1,
5185 		.suite = {
5186 			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5187 		}
5188 	}, {
5189 		.alg = "pkcs1pad(rsa,sha384)",
5190 		.test = alg_test_null,
5191 		.fips_allowed = 1,
5192 	}, {
5193 		.alg = "pkcs1pad(rsa,sha512)",
5194 		.test = alg_test_null,
5195 		.fips_allowed = 1,
5196 	}, {
5197 		.alg = "poly1305",
5198 		.test = alg_test_hash,
5199 		.suite = {
5200 			.hash = __VECS(poly1305_tv_template)
5201 		}
5202 	}, {
5203 		.alg = "rfc3686(ctr(aes))",
5204 		.test = alg_test_skcipher,
5205 		.fips_allowed = 1,
5206 		.suite = {
5207 			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5208 		}
5209 	}, {
5210 		.alg = "rfc3686(ctr(sm4))",
5211 		.test = alg_test_skcipher,
5212 		.suite = {
5213 			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5214 		}
5215 	}, {
5216 		.alg = "rfc4106(gcm(aes))",
5217 		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5218 		.test = alg_test_aead,
5219 		.fips_allowed = 1,
5220 		.suite = {
5221 			.aead = {
5222 				____VECS(aes_gcm_rfc4106_tv_template),
5223 				.einval_allowed = 1,
5224 				.aad_iv = 1,
5225 			}
5226 		}
5227 	}, {
5228 		.alg = "rfc4309(ccm(aes))",
5229 		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5230 		.test = alg_test_aead,
5231 		.fips_allowed = 1,
5232 		.suite = {
5233 			.aead = {
5234 				____VECS(aes_ccm_rfc4309_tv_template),
5235 				.einval_allowed = 1,
5236 				.aad_iv = 1,
5237 			}
5238 		}
5239 	}, {
5240 		.alg = "rfc4543(gcm(aes))",
5241 		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5242 		.test = alg_test_aead,
5243 		.suite = {
5244 			.aead = {
5245 				____VECS(aes_gcm_rfc4543_tv_template),
5246 				.einval_allowed = 1,
5247 				.aad_iv = 1,
5248 			}
5249 		}
5250 	}, {
5251 		.alg = "rfc7539(chacha20,poly1305)",
5252 		.test = alg_test_aead,
5253 		.suite = {
5254 			.aead = __VECS(rfc7539_tv_template)
5255 		}
5256 	}, {
5257 		.alg = "rfc7539esp(chacha20,poly1305)",
5258 		.test = alg_test_aead,
5259 		.suite = {
5260 			.aead = {
5261 				____VECS(rfc7539esp_tv_template),
5262 				.einval_allowed = 1,
5263 				.aad_iv = 1,
5264 			}
5265 		}
5266 	}, {
5267 		.alg = "rmd160",
5268 		.test = alg_test_hash,
5269 		.suite = {
5270 			.hash = __VECS(rmd160_tv_template)
5271 		}
5272 	}, {
5273 		.alg = "rsa",
5274 		.test = alg_test_akcipher,
5275 		.fips_allowed = 1,
5276 		.suite = {
5277 			.akcipher = __VECS(rsa_tv_template)
5278 		}
5279 	}, {
5280 		.alg = "sha1",
5281 		.test = alg_test_hash,
5282 		.fips_allowed = 1,
5283 		.suite = {
5284 			.hash = __VECS(sha1_tv_template)
5285 		}
5286 	}, {
5287 		.alg = "sha224",
5288 		.test = alg_test_hash,
5289 		.fips_allowed = 1,
5290 		.suite = {
5291 			.hash = __VECS(sha224_tv_template)
5292 		}
5293 	}, {
5294 		.alg = "sha256",
5295 		.test = alg_test_hash,
5296 		.fips_allowed = 1,
5297 		.suite = {
5298 			.hash = __VECS(sha256_tv_template)
5299 		}
5300 	}, {
5301 		.alg = "sha3-224",
5302 		.test = alg_test_hash,
5303 		.fips_allowed = 1,
5304 		.suite = {
5305 			.hash = __VECS(sha3_224_tv_template)
5306 		}
5307 	}, {
5308 		.alg = "sha3-256",
5309 		.test = alg_test_hash,
5310 		.fips_allowed = 1,
5311 		.suite = {
5312 			.hash = __VECS(sha3_256_tv_template)
5313 		}
5314 	}, {
5315 		.alg = "sha3-384",
5316 		.test = alg_test_hash,
5317 		.fips_allowed = 1,
5318 		.suite = {
5319 			.hash = __VECS(sha3_384_tv_template)
5320 		}
5321 	}, {
5322 		.alg = "sha3-512",
5323 		.test = alg_test_hash,
5324 		.fips_allowed = 1,
5325 		.suite = {
5326 			.hash = __VECS(sha3_512_tv_template)
5327 		}
5328 	}, {
5329 		.alg = "sha384",
5330 		.test = alg_test_hash,
5331 		.fips_allowed = 1,
5332 		.suite = {
5333 			.hash = __VECS(sha384_tv_template)
5334 		}
5335 	}, {
5336 		.alg = "sha512",
5337 		.test = alg_test_hash,
5338 		.fips_allowed = 1,
5339 		.suite = {
5340 			.hash = __VECS(sha512_tv_template)
5341 		}
5342 	}, {
5343 		.alg = "sm2",
5344 		.test = alg_test_akcipher,
5345 		.suite = {
5346 			.akcipher = __VECS(sm2_tv_template)
5347 		}
5348 	}, {
5349 		.alg = "sm3",
5350 		.test = alg_test_hash,
5351 		.suite = {
5352 			.hash = __VECS(sm3_tv_template)
5353 		}
5354 	}, {
5355 		.alg = "streebog256",
5356 		.test = alg_test_hash,
5357 		.suite = {
5358 			.hash = __VECS(streebog256_tv_template)
5359 		}
5360 	}, {
5361 		.alg = "streebog512",
5362 		.test = alg_test_hash,
5363 		.suite = {
5364 			.hash = __VECS(streebog512_tv_template)
5365 		}
5366 	}, {
5367 		.alg = "vmac64(aes)",
5368 		.test = alg_test_hash,
5369 		.suite = {
5370 			.hash = __VECS(vmac64_aes_tv_template)
5371 		}
5372 	}, {
5373 		.alg = "wp256",
5374 		.test = alg_test_hash,
5375 		.suite = {
5376 			.hash = __VECS(wp256_tv_template)
5377 		}
5378 	}, {
5379 		.alg = "wp384",
5380 		.test = alg_test_hash,
5381 		.suite = {
5382 			.hash = __VECS(wp384_tv_template)
5383 		}
5384 	}, {
5385 		.alg = "wp512",
5386 		.test = alg_test_hash,
5387 		.suite = {
5388 			.hash = __VECS(wp512_tv_template)
5389 		}
5390 	}, {
5391 		.alg = "xcbc(aes)",
5392 		.test = alg_test_hash,
5393 		.suite = {
5394 			.hash = __VECS(aes_xcbc128_tv_template)
5395 		}
5396 	}, {
5397 		.alg = "xchacha12",
5398 		.test = alg_test_skcipher,
5399 		.suite = {
5400 			.cipher = __VECS(xchacha12_tv_template)
5401 		},
5402 	}, {
5403 		.alg = "xchacha20",
5404 		.test = alg_test_skcipher,
5405 		.suite = {
5406 			.cipher = __VECS(xchacha20_tv_template)
5407 		},
5408 	}, {
5409 		.alg = "xts(aes)",
5410 		.generic_driver = "xts(ecb(aes-generic))",
5411 		.test = alg_test_skcipher,
5412 		.fips_allowed = 1,
5413 		.suite = {
5414 			.cipher = __VECS(aes_xts_tv_template)
5415 		}
5416 	}, {
5417 		.alg = "xts(camellia)",
5418 		.generic_driver = "xts(ecb(camellia-generic))",
5419 		.test = alg_test_skcipher,
5420 		.suite = {
5421 			.cipher = __VECS(camellia_xts_tv_template)
5422 		}
5423 	}, {
5424 		.alg = "xts(cast6)",
5425 		.generic_driver = "xts(ecb(cast6-generic))",
5426 		.test = alg_test_skcipher,
5427 		.suite = {
5428 			.cipher = __VECS(cast6_xts_tv_template)
5429 		}
5430 	}, {
5431 		/* Same as xts(aes) except the key is stored in
5432 		 * hardware secure memory which we reference by index
5433 		 */
5434 		.alg = "xts(paes)",
5435 		.test = alg_test_null,
5436 		.fips_allowed = 1,
5437 	}, {
5438 		.alg = "xts(serpent)",
5439 		.generic_driver = "xts(ecb(serpent-generic))",
5440 		.test = alg_test_skcipher,
5441 		.suite = {
5442 			.cipher = __VECS(serpent_xts_tv_template)
5443 		}
5444 	}, {
5445 		.alg = "xts(twofish)",
5446 		.generic_driver = "xts(ecb(twofish-generic))",
5447 		.test = alg_test_skcipher,
5448 		.suite = {
5449 			.cipher = __VECS(tf_xts_tv_template)
5450 		}
5451 	}, {
5452 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5453 		.alg = "xts-paes-s390",
5454 		.fips_allowed = 1,
5455 		.test = alg_test_skcipher,
5456 		.suite = {
5457 			.cipher = __VECS(aes_xts_tv_template)
5458 		}
5459 	}, {
5460 #endif
5461 		.alg = "xts4096(paes)",
5462 		.test = alg_test_null,
5463 		.fips_allowed = 1,
5464 	}, {
5465 		.alg = "xts512(paes)",
5466 		.test = alg_test_null,
5467 		.fips_allowed = 1,
5468 	}, {
5469 		.alg = "xxhash64",
5470 		.test = alg_test_hash,
5471 		.fips_allowed = 1,
5472 		.suite = {
5473 			.hash = __VECS(xxhash64_tv_template)
5474 		}
5475 	}, {
5476 		.alg = "zlib-deflate",
5477 		.test = alg_test_comp,
5478 		.fips_allowed = 1,
5479 		.suite = {
5480 			.comp = {
5481 				.comp = __VECS(zlib_deflate_comp_tv_template),
5482 				.decomp = __VECS(zlib_deflate_decomp_tv_template)
5483 			}
5484 		}
5485 	}, {
5486 		.alg = "zstd",
5487 		.test = alg_test_comp,
5488 		.fips_allowed = 1,
5489 		.suite = {
5490 			.comp = {
5491 				.comp = __VECS(zstd_comp_tv_template),
5492 				.decomp = __VECS(zstd_decomp_tv_template)
5493 			}
5494 		}
5495 	}
5496 };
5497 
5498 static void alg_check_test_descs_order(void)
5499 {
5500 	int i;
5501 
5502 	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5503 		int diff = strcmp(alg_test_descs[i - 1].alg,
5504 				  alg_test_descs[i].alg);
5505 
5506 		if (WARN_ON(diff > 0)) {
5507 			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5508 				alg_test_descs[i - 1].alg,
5509 				alg_test_descs[i].alg);
5510 		}
5511 
5512 		if (WARN_ON(diff == 0)) {
5513 			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5514 				alg_test_descs[i].alg);
5515 		}
5516 	}
5517 }
5518 
5519 static void alg_check_testvec_configs(void)
5520 {
5521 	int i;
5522 
5523 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5524 		WARN_ON(!valid_testvec_config(
5525 				&default_cipher_testvec_configs[i]));
5526 
5527 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5528 		WARN_ON(!valid_testvec_config(
5529 				&default_hash_testvec_configs[i]));
5530 }
5531 
5532 static void testmgr_onetime_init(void)
5533 {
5534 	alg_check_test_descs_order();
5535 	alg_check_testvec_configs();
5536 
5537 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5538 	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5539 #endif
5540 }
5541 
5542 static int alg_find_test(const char *alg)
5543 {
5544 	int start = 0;
5545 	int end = ARRAY_SIZE(alg_test_descs);
5546 
5547 	while (start < end) {
5548 		int i = (start + end) / 2;
5549 		int diff = strcmp(alg_test_descs[i].alg, alg);
5550 
5551 		if (diff > 0) {
5552 			end = i;
5553 			continue;
5554 		}
5555 
5556 		if (diff < 0) {
5557 			start = i + 1;
5558 			continue;
5559 		}
5560 
5561 		return i;
5562 	}
5563 
5564 	return -1;
5565 }
5566 
5567 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5568 {
5569 	int i;
5570 	int j;
5571 	int rc;
5572 
5573 	if (!fips_enabled && notests) {
5574 		printk_once(KERN_INFO "alg: self-tests disabled\n");
5575 		return 0;
5576 	}
5577 
5578 	DO_ONCE(testmgr_onetime_init);
5579 
5580 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5581 		char nalg[CRYPTO_MAX_ALG_NAME];
5582 
5583 		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5584 		    sizeof(nalg))
5585 			return -ENAMETOOLONG;
5586 
5587 		i = alg_find_test(nalg);
5588 		if (i < 0)
5589 			goto notest;
5590 
5591 		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5592 			goto non_fips_alg;
5593 
5594 		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5595 		goto test_done;
5596 	}
5597 
5598 	i = alg_find_test(alg);
5599 	j = alg_find_test(driver);
5600 	if (i < 0 && j < 0)
5601 		goto notest;
5602 
5603 	if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
5604 			     (j >= 0 && !alg_test_descs[j].fips_allowed)))
5605 		goto non_fips_alg;
5606 
5607 	rc = 0;
5608 	if (i >= 0)
5609 		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5610 					     type, mask);
5611 	if (j >= 0 && j != i)
5612 		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5613 					     type, mask);
5614 
5615 test_done:
5616 	if (rc) {
5617 		if (fips_enabled || panic_on_fail) {
5618 			fips_fail_notify();
5619 			panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5620 			      driver, alg,
5621 			      fips_enabled ? "fips" : "panic_on_fail");
5622 		}
5623 		WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)",
5624 		     driver, alg, rc);
5625 	} else {
5626 		if (fips_enabled)
5627 			pr_info("alg: self-tests for %s (%s) passed\n",
5628 				driver, alg);
5629 	}
5630 
5631 	return rc;
5632 
5633 notest:
5634 	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5635 	return 0;
5636 non_fips_alg:
5637 	return -EINVAL;
5638 }
5639 
5640 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5641 
5642 EXPORT_SYMBOL_GPL(alg_test);
5643