xref: /linux/crypto/testmgr.c (revision a654b354b8cb3143b4e363ddc28704991cd762da)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Algorithm testing framework and tests.
4  *
5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7  * Copyright (c) 2007 Nokia Siemens Networks
8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9  * Copyright (c) 2019 Google LLC
10  *
11  * Updated RFC4106 AES-GCM testing.
12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13  *             Adrian Hoban <adrian.hoban@intel.com>
14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
15  *             Tadeusz Struk (tadeusz.struk@intel.com)
16  *    Copyright (c) 2010, Intel Corporation.
17  */
18 
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38 
39 #include "internal.h"
40 
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42 
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46 
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49 
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54 
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 #endif
59 
60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
61 
62 /* a perfect nop */
63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
64 {
65 	return 0;
66 }
67 
68 #else
69 
70 #include "testmgr.h"
71 
72 /*
73  * Need slab memory for testing (size in number of pages).
74  */
75 #define XBUFSIZE	8
76 
77 /*
78 * Used by test_cipher()
79 */
80 #define ENCRYPT 1
81 #define DECRYPT 0
82 
83 struct aead_test_suite {
84 	const struct aead_testvec *vecs;
85 	unsigned int count;
86 
87 	/*
88 	 * Set if trying to decrypt an inauthentic ciphertext with this
89 	 * algorithm might result in EINVAL rather than EBADMSG, due to other
90 	 * validation the algorithm does on the inputs such as length checks.
91 	 */
92 	unsigned int einval_allowed : 1;
93 
94 	/*
95 	 * Set if this algorithm requires that the IV be located at the end of
96 	 * the AAD buffer, in addition to being given in the normal way.  The
97 	 * behavior when the two IV copies differ is implementation-defined.
98 	 */
99 	unsigned int aad_iv : 1;
100 };
101 
102 struct cipher_test_suite {
103 	const struct cipher_testvec *vecs;
104 	unsigned int count;
105 };
106 
107 struct comp_test_suite {
108 	struct {
109 		const struct comp_testvec *vecs;
110 		unsigned int count;
111 	} comp, decomp;
112 };
113 
114 struct hash_test_suite {
115 	const struct hash_testvec *vecs;
116 	unsigned int count;
117 };
118 
119 struct cprng_test_suite {
120 	const struct cprng_testvec *vecs;
121 	unsigned int count;
122 };
123 
124 struct drbg_test_suite {
125 	const struct drbg_testvec *vecs;
126 	unsigned int count;
127 };
128 
129 struct akcipher_test_suite {
130 	const struct akcipher_testvec *vecs;
131 	unsigned int count;
132 };
133 
134 struct kpp_test_suite {
135 	const struct kpp_testvec *vecs;
136 	unsigned int count;
137 };
138 
139 struct alg_test_desc {
140 	const char *alg;
141 	const char *generic_driver;
142 	int (*test)(const struct alg_test_desc *desc, const char *driver,
143 		    u32 type, u32 mask);
144 	int fips_allowed;	/* set if alg is allowed in fips mode */
145 
146 	union {
147 		struct aead_test_suite aead;
148 		struct cipher_test_suite cipher;
149 		struct comp_test_suite comp;
150 		struct hash_test_suite hash;
151 		struct cprng_test_suite cprng;
152 		struct drbg_test_suite drbg;
153 		struct akcipher_test_suite akcipher;
154 		struct kpp_test_suite kpp;
155 	} suite;
156 };
157 
158 static void hexdump(unsigned char *buf, unsigned int len)
159 {
160 	print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
161 			16, 1,
162 			buf, len, false);
163 }
164 
165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
166 {
167 	int i;
168 
169 	for (i = 0; i < XBUFSIZE; i++) {
170 		buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
171 		if (!buf[i])
172 			goto err_free_buf;
173 	}
174 
175 	return 0;
176 
177 err_free_buf:
178 	while (i-- > 0)
179 		free_pages((unsigned long)buf[i], order);
180 
181 	return -ENOMEM;
182 }
183 
184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
185 {
186 	return __testmgr_alloc_buf(buf, 0);
187 }
188 
189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
190 {
191 	int i;
192 
193 	for (i = 0; i < XBUFSIZE; i++)
194 		free_pages((unsigned long)buf[i], order);
195 }
196 
197 static void testmgr_free_buf(char *buf[XBUFSIZE])
198 {
199 	__testmgr_free_buf(buf, 0);
200 }
201 
202 #define TESTMGR_POISON_BYTE	0xfe
203 #define TESTMGR_POISON_LEN	16
204 
205 static inline void testmgr_poison(void *addr, size_t len)
206 {
207 	memset(addr, TESTMGR_POISON_BYTE, len);
208 }
209 
210 /* Is the memory region still fully poisoned? */
211 static inline bool testmgr_is_poison(const void *addr, size_t len)
212 {
213 	return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
214 }
215 
216 /* flush type for hash algorithms */
217 enum flush_type {
218 	/* merge with update of previous buffer(s) */
219 	FLUSH_TYPE_NONE = 0,
220 
221 	/* update with previous buffer(s) before doing this one */
222 	FLUSH_TYPE_FLUSH,
223 
224 	/* likewise, but also export and re-import the intermediate state */
225 	FLUSH_TYPE_REIMPORT,
226 };
227 
228 /* finalization function for hash algorithms */
229 enum finalization_type {
230 	FINALIZATION_TYPE_FINAL,	/* use final() */
231 	FINALIZATION_TYPE_FINUP,	/* use finup() */
232 	FINALIZATION_TYPE_DIGEST,	/* use digest() */
233 };
234 
235 /*
236  * Whether the crypto operation will occur in-place, and if so whether the
237  * source and destination scatterlist pointers will coincide (req->src ==
238  * req->dst), or whether they'll merely point to two separate scatterlists
239  * (req->src != req->dst) that reference the same underlying memory.
240  *
241  * This is only relevant for algorithm types that support in-place operation.
242  */
243 enum inplace_mode {
244 	OUT_OF_PLACE,
245 	INPLACE_ONE_SGLIST,
246 	INPLACE_TWO_SGLISTS,
247 };
248 
249 #define TEST_SG_TOTAL	10000
250 
251 /**
252  * struct test_sg_division - description of a scatterlist entry
253  *
254  * This struct describes one entry of a scatterlist being constructed to check a
255  * crypto test vector.
256  *
257  * @proportion_of_total: length of this chunk relative to the total length,
258  *			 given as a proportion out of TEST_SG_TOTAL so that it
259  *			 scales to fit any test vector
260  * @offset: byte offset into a 2-page buffer at which this chunk will start
261  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
262  *				  @offset
263  * @flush_type: for hashes, whether an update() should be done now vs.
264  *		continuing to accumulate data
265  * @nosimd: if doing the pending update(), do it with SIMD disabled?
266  */
267 struct test_sg_division {
268 	unsigned int proportion_of_total;
269 	unsigned int offset;
270 	bool offset_relative_to_alignmask;
271 	enum flush_type flush_type;
272 	bool nosimd;
273 };
274 
275 /**
276  * struct testvec_config - configuration for testing a crypto test vector
277  *
278  * This struct describes the data layout and other parameters with which each
279  * crypto test vector can be tested.
280  *
281  * @name: name of this config, logged for debugging purposes if a test fails
282  * @inplace_mode: whether and how to operate on the data in-place, if applicable
283  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
284  * @src_divs: description of how to arrange the source scatterlist
285  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
286  *	      for the algorithm type.  Defaults to @src_divs if unset.
287  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
288  *	       where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
289  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
290  *				     the @iv_offset
291  * @key_offset: misalignment of the key, where 0 is default alignment
292  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
293  *				      the @key_offset
294  * @finalization_type: what finalization function to use for hashes
295  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
296  *	    This applies to the parts of the operation that aren't controlled
297  *	    individually by @nosimd_setkey or @src_divs[].nosimd.
298  * @nosimd_setkey: set the key (if applicable) with SIMD disabled?  Requires
299  *		   !CRYPTO_TFM_REQ_MAY_SLEEP.
300  */
301 struct testvec_config {
302 	const char *name;
303 	enum inplace_mode inplace_mode;
304 	u32 req_flags;
305 	struct test_sg_division src_divs[XBUFSIZE];
306 	struct test_sg_division dst_divs[XBUFSIZE];
307 	unsigned int iv_offset;
308 	unsigned int key_offset;
309 	bool iv_offset_relative_to_alignmask;
310 	bool key_offset_relative_to_alignmask;
311 	enum finalization_type finalization_type;
312 	bool nosimd;
313 	bool nosimd_setkey;
314 };
315 
316 #define TESTVEC_CONFIG_NAMELEN	192
317 
318 /*
319  * The following are the lists of testvec_configs to test for each algorithm
320  * type when the basic crypto self-tests are enabled, i.e. when
321  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
322  * coverage, while keeping the test time much shorter than the full fuzz tests
323  * so that the basic tests can be enabled in a wider range of circumstances.
324  */
325 
326 /* Configs for skciphers and aeads */
327 static const struct testvec_config default_cipher_testvec_configs[] = {
328 	{
329 		.name = "in-place (one sglist)",
330 		.inplace_mode = INPLACE_ONE_SGLIST,
331 		.src_divs = { { .proportion_of_total = 10000 } },
332 	}, {
333 		.name = "in-place (two sglists)",
334 		.inplace_mode = INPLACE_TWO_SGLISTS,
335 		.src_divs = { { .proportion_of_total = 10000 } },
336 	}, {
337 		.name = "out-of-place",
338 		.inplace_mode = OUT_OF_PLACE,
339 		.src_divs = { { .proportion_of_total = 10000 } },
340 	}, {
341 		.name = "unaligned buffer, offset=1",
342 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
343 		.iv_offset = 1,
344 		.key_offset = 1,
345 	}, {
346 		.name = "buffer aligned only to alignmask",
347 		.src_divs = {
348 			{
349 				.proportion_of_total = 10000,
350 				.offset = 1,
351 				.offset_relative_to_alignmask = true,
352 			},
353 		},
354 		.iv_offset = 1,
355 		.iv_offset_relative_to_alignmask = true,
356 		.key_offset = 1,
357 		.key_offset_relative_to_alignmask = true,
358 	}, {
359 		.name = "two even aligned splits",
360 		.src_divs = {
361 			{ .proportion_of_total = 5000 },
362 			{ .proportion_of_total = 5000 },
363 		},
364 	}, {
365 		.name = "one src, two even splits dst",
366 		.inplace_mode = OUT_OF_PLACE,
367 		.src_divs = { { .proportion_of_total = 10000 } },
368 		.dst_divs = {
369 			{ .proportion_of_total = 5000 },
370 			{ .proportion_of_total = 5000 },
371 		 },
372 	}, {
373 		.name = "uneven misaligned splits, may sleep",
374 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
375 		.src_divs = {
376 			{ .proportion_of_total = 1900, .offset = 33 },
377 			{ .proportion_of_total = 3300, .offset = 7  },
378 			{ .proportion_of_total = 4800, .offset = 18 },
379 		},
380 		.iv_offset = 3,
381 		.key_offset = 3,
382 	}, {
383 		.name = "misaligned splits crossing pages, inplace",
384 		.inplace_mode = INPLACE_ONE_SGLIST,
385 		.src_divs = {
386 			{
387 				.proportion_of_total = 7500,
388 				.offset = PAGE_SIZE - 32
389 			}, {
390 				.proportion_of_total = 2500,
391 				.offset = PAGE_SIZE - 7
392 			},
393 		},
394 	}
395 };
396 
397 static const struct testvec_config default_hash_testvec_configs[] = {
398 	{
399 		.name = "init+update+final aligned buffer",
400 		.src_divs = { { .proportion_of_total = 10000 } },
401 		.finalization_type = FINALIZATION_TYPE_FINAL,
402 	}, {
403 		.name = "init+finup aligned buffer",
404 		.src_divs = { { .proportion_of_total = 10000 } },
405 		.finalization_type = FINALIZATION_TYPE_FINUP,
406 	}, {
407 		.name = "digest aligned buffer",
408 		.src_divs = { { .proportion_of_total = 10000 } },
409 		.finalization_type = FINALIZATION_TYPE_DIGEST,
410 	}, {
411 		.name = "init+update+final misaligned buffer",
412 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
413 		.finalization_type = FINALIZATION_TYPE_FINAL,
414 		.key_offset = 1,
415 	}, {
416 		.name = "digest misaligned buffer",
417 		.src_divs = {
418 			{
419 				.proportion_of_total = 10000,
420 				.offset = 1,
421 			},
422 		},
423 		.finalization_type = FINALIZATION_TYPE_DIGEST,
424 		.key_offset = 1,
425 	}, {
426 		.name = "init+update+update+final two even splits",
427 		.src_divs = {
428 			{ .proportion_of_total = 5000 },
429 			{
430 				.proportion_of_total = 5000,
431 				.flush_type = FLUSH_TYPE_FLUSH,
432 			},
433 		},
434 		.finalization_type = FINALIZATION_TYPE_FINAL,
435 	}, {
436 		.name = "digest uneven misaligned splits, may sleep",
437 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
438 		.src_divs = {
439 			{ .proportion_of_total = 1900, .offset = 33 },
440 			{ .proportion_of_total = 3300, .offset = 7  },
441 			{ .proportion_of_total = 4800, .offset = 18 },
442 		},
443 		.finalization_type = FINALIZATION_TYPE_DIGEST,
444 	}, {
445 		.name = "digest misaligned splits crossing pages",
446 		.src_divs = {
447 			{
448 				.proportion_of_total = 7500,
449 				.offset = PAGE_SIZE - 32,
450 			}, {
451 				.proportion_of_total = 2500,
452 				.offset = PAGE_SIZE - 7,
453 			},
454 		},
455 		.finalization_type = FINALIZATION_TYPE_DIGEST,
456 	}, {
457 		.name = "import/export",
458 		.src_divs = {
459 			{
460 				.proportion_of_total = 6500,
461 				.flush_type = FLUSH_TYPE_REIMPORT,
462 			}, {
463 				.proportion_of_total = 3500,
464 				.flush_type = FLUSH_TYPE_REIMPORT,
465 			},
466 		},
467 		.finalization_type = FINALIZATION_TYPE_FINAL,
468 	}
469 };
470 
471 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
472 {
473 	unsigned int remaining = TEST_SG_TOTAL;
474 	unsigned int ndivs = 0;
475 
476 	do {
477 		remaining -= divs[ndivs++].proportion_of_total;
478 	} while (remaining);
479 
480 	return ndivs;
481 }
482 
483 #define SGDIVS_HAVE_FLUSHES	BIT(0)
484 #define SGDIVS_HAVE_NOSIMD	BIT(1)
485 
486 static bool valid_sg_divisions(const struct test_sg_division *divs,
487 			       unsigned int count, int *flags_ret)
488 {
489 	unsigned int total = 0;
490 	unsigned int i;
491 
492 	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
493 		if (divs[i].proportion_of_total <= 0 ||
494 		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
495 			return false;
496 		total += divs[i].proportion_of_total;
497 		if (divs[i].flush_type != FLUSH_TYPE_NONE)
498 			*flags_ret |= SGDIVS_HAVE_FLUSHES;
499 		if (divs[i].nosimd)
500 			*flags_ret |= SGDIVS_HAVE_NOSIMD;
501 	}
502 	return total == TEST_SG_TOTAL &&
503 		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
504 }
505 
506 /*
507  * Check whether the given testvec_config is valid.  This isn't strictly needed
508  * since every testvec_config should be valid, but check anyway so that people
509  * don't unknowingly add broken configs that don't do what they wanted.
510  */
511 static bool valid_testvec_config(const struct testvec_config *cfg)
512 {
513 	int flags = 0;
514 
515 	if (cfg->name == NULL)
516 		return false;
517 
518 	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
519 				&flags))
520 		return false;
521 
522 	if (cfg->dst_divs[0].proportion_of_total) {
523 		if (!valid_sg_divisions(cfg->dst_divs,
524 					ARRAY_SIZE(cfg->dst_divs), &flags))
525 			return false;
526 	} else {
527 		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
528 			return false;
529 		/* defaults to dst_divs=src_divs */
530 	}
531 
532 	if (cfg->iv_offset +
533 	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
534 	    MAX_ALGAPI_ALIGNMASK + 1)
535 		return false;
536 
537 	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
538 	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
539 		return false;
540 
541 	if ((cfg->nosimd || cfg->nosimd_setkey ||
542 	     (flags & SGDIVS_HAVE_NOSIMD)) &&
543 	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
544 		return false;
545 
546 	return true;
547 }
548 
549 struct test_sglist {
550 	char *bufs[XBUFSIZE];
551 	struct scatterlist sgl[XBUFSIZE];
552 	struct scatterlist sgl_saved[XBUFSIZE];
553 	struct scatterlist *sgl_ptr;
554 	unsigned int nents;
555 };
556 
557 static int init_test_sglist(struct test_sglist *tsgl)
558 {
559 	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
560 }
561 
562 static void destroy_test_sglist(struct test_sglist *tsgl)
563 {
564 	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
565 }
566 
567 /**
568  * build_test_sglist() - build a scatterlist for a crypto test
569  *
570  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
571  *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
572  * @divs: the layout specification on which the scatterlist will be based
573  * @alignmask: the algorithm's alignmask
574  * @total_len: the total length of the scatterlist to build in bytes
575  * @data: if non-NULL, the buffers will be filled with this data until it ends.
576  *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
577  *	  past the end of each buffer will be poisoned to help detect overruns.
578  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
579  *	      corresponds will be returned here.  This will match @divs except
580  *	      that divisions resolving to a length of 0 are omitted as they are
581  *	      not included in the scatterlist.
582  *
583  * Return: 0 or a -errno value
584  */
585 static int build_test_sglist(struct test_sglist *tsgl,
586 			     const struct test_sg_division *divs,
587 			     const unsigned int alignmask,
588 			     const unsigned int total_len,
589 			     struct iov_iter *data,
590 			     const struct test_sg_division *out_divs[XBUFSIZE])
591 {
592 	struct {
593 		const struct test_sg_division *div;
594 		size_t length;
595 	} partitions[XBUFSIZE];
596 	const unsigned int ndivs = count_test_sg_divisions(divs);
597 	unsigned int len_remaining = total_len;
598 	unsigned int i;
599 
600 	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
601 	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
602 		return -EINVAL;
603 
604 	/* Calculate the (div, length) pairs */
605 	tsgl->nents = 0;
606 	for (i = 0; i < ndivs; i++) {
607 		unsigned int len_this_sg =
608 			min(len_remaining,
609 			    (total_len * divs[i].proportion_of_total +
610 			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
611 
612 		if (len_this_sg != 0) {
613 			partitions[tsgl->nents].div = &divs[i];
614 			partitions[tsgl->nents].length = len_this_sg;
615 			tsgl->nents++;
616 			len_remaining -= len_this_sg;
617 		}
618 	}
619 	if (tsgl->nents == 0) {
620 		partitions[tsgl->nents].div = &divs[0];
621 		partitions[tsgl->nents].length = 0;
622 		tsgl->nents++;
623 	}
624 	partitions[tsgl->nents - 1].length += len_remaining;
625 
626 	/* Set up the sgl entries and fill the data or poison */
627 	sg_init_table(tsgl->sgl, tsgl->nents);
628 	for (i = 0; i < tsgl->nents; i++) {
629 		unsigned int offset = partitions[i].div->offset;
630 		void *addr;
631 
632 		if (partitions[i].div->offset_relative_to_alignmask)
633 			offset += alignmask;
634 
635 		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
636 		       2 * PAGE_SIZE) {
637 			if (WARN_ON(offset <= 0))
638 				return -EINVAL;
639 			offset /= 2;
640 		}
641 
642 		addr = &tsgl->bufs[i][offset];
643 		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
644 
645 		if (out_divs)
646 			out_divs[i] = partitions[i].div;
647 
648 		if (data) {
649 			size_t copy_len, copied;
650 
651 			copy_len = min(partitions[i].length, data->count);
652 			copied = copy_from_iter(addr, copy_len, data);
653 			if (WARN_ON(copied != copy_len))
654 				return -EINVAL;
655 			testmgr_poison(addr + copy_len, partitions[i].length +
656 				       TESTMGR_POISON_LEN - copy_len);
657 		} else {
658 			testmgr_poison(addr, partitions[i].length +
659 				       TESTMGR_POISON_LEN);
660 		}
661 	}
662 
663 	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
664 	tsgl->sgl_ptr = tsgl->sgl;
665 	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
666 	return 0;
667 }
668 
669 /*
670  * Verify that a scatterlist crypto operation produced the correct output.
671  *
672  * @tsgl: scatterlist containing the actual output
673  * @expected_output: buffer containing the expected output
674  * @len_to_check: length of @expected_output in bytes
675  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
676  * @check_poison: verify that the poison bytes after each chunk are intact?
677  *
678  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
679  */
680 static int verify_correct_output(const struct test_sglist *tsgl,
681 				 const char *expected_output,
682 				 unsigned int len_to_check,
683 				 unsigned int unchecked_prefix_len,
684 				 bool check_poison)
685 {
686 	unsigned int i;
687 
688 	for (i = 0; i < tsgl->nents; i++) {
689 		struct scatterlist *sg = &tsgl->sgl_ptr[i];
690 		unsigned int len = sg->length;
691 		unsigned int offset = sg->offset;
692 		const char *actual_output;
693 
694 		if (unchecked_prefix_len) {
695 			if (unchecked_prefix_len >= len) {
696 				unchecked_prefix_len -= len;
697 				continue;
698 			}
699 			offset += unchecked_prefix_len;
700 			len -= unchecked_prefix_len;
701 			unchecked_prefix_len = 0;
702 		}
703 		len = min(len, len_to_check);
704 		actual_output = page_address(sg_page(sg)) + offset;
705 		if (memcmp(expected_output, actual_output, len) != 0)
706 			return -EINVAL;
707 		if (check_poison &&
708 		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
709 			return -EOVERFLOW;
710 		len_to_check -= len;
711 		expected_output += len;
712 	}
713 	if (WARN_ON(len_to_check != 0))
714 		return -EINVAL;
715 	return 0;
716 }
717 
718 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
719 {
720 	unsigned int i;
721 
722 	for (i = 0; i < tsgl->nents; i++) {
723 		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
724 			return true;
725 		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
726 			return true;
727 		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
728 			return true;
729 	}
730 	return false;
731 }
732 
733 struct cipher_test_sglists {
734 	struct test_sglist src;
735 	struct test_sglist dst;
736 };
737 
738 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
739 {
740 	struct cipher_test_sglists *tsgls;
741 
742 	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
743 	if (!tsgls)
744 		return NULL;
745 
746 	if (init_test_sglist(&tsgls->src) != 0)
747 		goto fail_kfree;
748 	if (init_test_sglist(&tsgls->dst) != 0)
749 		goto fail_destroy_src;
750 
751 	return tsgls;
752 
753 fail_destroy_src:
754 	destroy_test_sglist(&tsgls->src);
755 fail_kfree:
756 	kfree(tsgls);
757 	return NULL;
758 }
759 
760 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
761 {
762 	if (tsgls) {
763 		destroy_test_sglist(&tsgls->src);
764 		destroy_test_sglist(&tsgls->dst);
765 		kfree(tsgls);
766 	}
767 }
768 
769 /* Build the src and dst scatterlists for an skcipher or AEAD test */
770 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
771 				     const struct testvec_config *cfg,
772 				     unsigned int alignmask,
773 				     unsigned int src_total_len,
774 				     unsigned int dst_total_len,
775 				     const struct kvec *inputs,
776 				     unsigned int nr_inputs)
777 {
778 	struct iov_iter input;
779 	int err;
780 
781 	iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
782 	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
783 				cfg->inplace_mode != OUT_OF_PLACE ?
784 					max(dst_total_len, src_total_len) :
785 					src_total_len,
786 				&input, NULL);
787 	if (err)
788 		return err;
789 
790 	/*
791 	 * In-place crypto operations can use the same scatterlist for both the
792 	 * source and destination (req->src == req->dst), or can use separate
793 	 * scatterlists (req->src != req->dst) which point to the same
794 	 * underlying memory.  Make sure to test both cases.
795 	 */
796 	if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
797 		tsgls->dst.sgl_ptr = tsgls->src.sgl;
798 		tsgls->dst.nents = tsgls->src.nents;
799 		return 0;
800 	}
801 	if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
802 		/*
803 		 * For now we keep it simple and only test the case where the
804 		 * two scatterlists have identical entries, rather than
805 		 * different entries that split up the same memory differently.
806 		 */
807 		memcpy(tsgls->dst.sgl, tsgls->src.sgl,
808 		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
809 		memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
810 		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
811 		tsgls->dst.sgl_ptr = tsgls->dst.sgl;
812 		tsgls->dst.nents = tsgls->src.nents;
813 		return 0;
814 	}
815 	/* Out of place */
816 	return build_test_sglist(&tsgls->dst,
817 				 cfg->dst_divs[0].proportion_of_total ?
818 					cfg->dst_divs : cfg->src_divs,
819 				 alignmask, dst_total_len, NULL, NULL);
820 }
821 
822 /*
823  * Support for testing passing a misaligned key to setkey():
824  *
825  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
826  * optionally adding alignmask.  Else, just use the key directly.
827  */
828 static int prepare_keybuf(const u8 *key, unsigned int ksize,
829 			  const struct testvec_config *cfg,
830 			  unsigned int alignmask,
831 			  const u8 **keybuf_ret, const u8 **keyptr_ret)
832 {
833 	unsigned int key_offset = cfg->key_offset;
834 	u8 *keybuf = NULL, *keyptr = (u8 *)key;
835 
836 	if (key_offset != 0) {
837 		if (cfg->key_offset_relative_to_alignmask)
838 			key_offset += alignmask;
839 		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
840 		if (!keybuf)
841 			return -ENOMEM;
842 		keyptr = keybuf + key_offset;
843 		memcpy(keyptr, key, ksize);
844 	}
845 	*keybuf_ret = keybuf;
846 	*keyptr_ret = keyptr;
847 	return 0;
848 }
849 
850 /*
851  * Like setkey_f(tfm, key, ksize), but sometimes misalign the key.
852  * In addition, run the setkey function in no-SIMD context if requested.
853  */
854 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
855 ({									\
856 	const u8 *keybuf, *keyptr;					\
857 	int err;							\
858 									\
859 	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
860 			     &keybuf, &keyptr);				\
861 	if (err == 0) {							\
862 		if ((cfg)->nosimd_setkey)				\
863 			crypto_disable_simd_for_test();			\
864 		err = setkey_f((tfm), keyptr, (ksize));			\
865 		if ((cfg)->nosimd_setkey)				\
866 			crypto_reenable_simd_for_test();		\
867 		kfree(keybuf);						\
868 	}								\
869 	err;								\
870 })
871 
872 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
873 
874 /*
875  * The fuzz tests use prandom instead of the normal Linux RNG since they don't
876  * need cryptographically secure random numbers.  This greatly improves the
877  * performance of these tests, especially if they are run before the Linux RNG
878  * has been initialized or if they are run on a lockdep-enabled kernel.
879  */
880 
881 static inline void init_rnd_state(struct rnd_state *rng)
882 {
883 	prandom_seed_state(rng, get_random_u64());
884 }
885 
886 static inline u8 prandom_u8(struct rnd_state *rng)
887 {
888 	return prandom_u32_state(rng);
889 }
890 
891 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
892 {
893 	/*
894 	 * This is slightly biased for non-power-of-2 values of 'ceil', but this
895 	 * isn't important here.
896 	 */
897 	return prandom_u32_state(rng) % ceil;
898 }
899 
900 static inline bool prandom_bool(struct rnd_state *rng)
901 {
902 	return prandom_u32_below(rng, 2);
903 }
904 
905 static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
906 					u32 floor, u32 ceil)
907 {
908 	return floor + prandom_u32_below(rng, ceil - floor + 1);
909 }
910 
911 /* Generate a random length in range [0, max_len], but prefer smaller values */
912 static unsigned int generate_random_length(struct rnd_state *rng,
913 					   unsigned int max_len)
914 {
915 	unsigned int len = prandom_u32_below(rng, max_len + 1);
916 
917 	switch (prandom_u32_below(rng, 4)) {
918 	case 0:
919 		return len % 64;
920 	case 1:
921 		return len % 256;
922 	case 2:
923 		return len % 1024;
924 	default:
925 		return len;
926 	}
927 }
928 
929 /* Flip a random bit in the given nonempty data buffer */
930 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
931 {
932 	size_t bitpos;
933 
934 	bitpos = prandom_u32_below(rng, size * 8);
935 	buf[bitpos / 8] ^= 1 << (bitpos % 8);
936 }
937 
938 /* Flip a random byte in the given nonempty data buffer */
939 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
940 {
941 	buf[prandom_u32_below(rng, size)] ^= 0xff;
942 }
943 
944 /* Sometimes make some random changes to the given nonempty data buffer */
945 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
946 {
947 	size_t num_flips;
948 	size_t i;
949 
950 	/* Sometimes flip some bits */
951 	if (prandom_u32_below(rng, 4) == 0) {
952 		num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
953 				  size * 8);
954 		for (i = 0; i < num_flips; i++)
955 			flip_random_bit(rng, buf, size);
956 	}
957 
958 	/* Sometimes flip some bytes */
959 	if (prandom_u32_below(rng, 4) == 0) {
960 		num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
961 		for (i = 0; i < num_flips; i++)
962 			flip_random_byte(rng, buf, size);
963 	}
964 }
965 
966 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
967 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
968 {
969 	u8 b;
970 	u8 increment;
971 	size_t i;
972 
973 	if (count == 0)
974 		return;
975 
976 	switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
977 	case 0:
978 	case 1:
979 		/* All the same byte, plus optional mutations */
980 		switch (prandom_u32_below(rng, 4)) {
981 		case 0:
982 			b = 0x00;
983 			break;
984 		case 1:
985 			b = 0xff;
986 			break;
987 		default:
988 			b = prandom_u8(rng);
989 			break;
990 		}
991 		memset(buf, b, count);
992 		mutate_buffer(rng, buf, count);
993 		break;
994 	case 2:
995 		/* Ascending or descending bytes, plus optional mutations */
996 		increment = prandom_u8(rng);
997 		b = prandom_u8(rng);
998 		for (i = 0; i < count; i++, b += increment)
999 			buf[i] = b;
1000 		mutate_buffer(rng, buf, count);
1001 		break;
1002 	default:
1003 		/* Fully random bytes */
1004 		prandom_bytes_state(rng, buf, count);
1005 	}
1006 }
1007 
1008 static char *generate_random_sgl_divisions(struct rnd_state *rng,
1009 					   struct test_sg_division *divs,
1010 					   size_t max_divs, char *p, char *end,
1011 					   bool gen_flushes, u32 req_flags)
1012 {
1013 	struct test_sg_division *div = divs;
1014 	unsigned int remaining = TEST_SG_TOTAL;
1015 
1016 	do {
1017 		unsigned int this_len;
1018 		const char *flushtype_str;
1019 
1020 		if (div == &divs[max_divs - 1] || prandom_bool(rng))
1021 			this_len = remaining;
1022 		else
1023 			this_len = prandom_u32_inclusive(rng, 1, remaining);
1024 		div->proportion_of_total = this_len;
1025 
1026 		if (prandom_u32_below(rng, 4) == 0)
1027 			div->offset = prandom_u32_inclusive(rng,
1028 							    PAGE_SIZE - 128,
1029 							    PAGE_SIZE - 1);
1030 		else if (prandom_bool(rng))
1031 			div->offset = prandom_u32_below(rng, 32);
1032 		else
1033 			div->offset = prandom_u32_below(rng, PAGE_SIZE);
1034 		if (prandom_u32_below(rng, 8) == 0)
1035 			div->offset_relative_to_alignmask = true;
1036 
1037 		div->flush_type = FLUSH_TYPE_NONE;
1038 		if (gen_flushes) {
1039 			switch (prandom_u32_below(rng, 4)) {
1040 			case 0:
1041 				div->flush_type = FLUSH_TYPE_REIMPORT;
1042 				break;
1043 			case 1:
1044 				div->flush_type = FLUSH_TYPE_FLUSH;
1045 				break;
1046 			}
1047 		}
1048 
1049 		if (div->flush_type != FLUSH_TYPE_NONE &&
1050 		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1051 		    prandom_bool(rng))
1052 			div->nosimd = true;
1053 
1054 		switch (div->flush_type) {
1055 		case FLUSH_TYPE_FLUSH:
1056 			if (div->nosimd)
1057 				flushtype_str = "<flush,nosimd>";
1058 			else
1059 				flushtype_str = "<flush>";
1060 			break;
1061 		case FLUSH_TYPE_REIMPORT:
1062 			if (div->nosimd)
1063 				flushtype_str = "<reimport,nosimd>";
1064 			else
1065 				flushtype_str = "<reimport>";
1066 			break;
1067 		default:
1068 			flushtype_str = "";
1069 			break;
1070 		}
1071 
1072 		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1073 		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1074 			       this_len / 100, this_len % 100,
1075 			       div->offset_relative_to_alignmask ?
1076 					"alignmask" : "",
1077 			       div->offset, this_len == remaining ? "" : ", ");
1078 		remaining -= this_len;
1079 		div++;
1080 	} while (remaining);
1081 
1082 	return p;
1083 }
1084 
1085 /* Generate a random testvec_config for fuzz testing */
1086 static void generate_random_testvec_config(struct rnd_state *rng,
1087 					   struct testvec_config *cfg,
1088 					   char *name, size_t max_namelen)
1089 {
1090 	char *p = name;
1091 	char * const end = name + max_namelen;
1092 
1093 	memset(cfg, 0, sizeof(*cfg));
1094 
1095 	cfg->name = name;
1096 
1097 	p += scnprintf(p, end - p, "random:");
1098 
1099 	switch (prandom_u32_below(rng, 4)) {
1100 	case 0:
1101 	case 1:
1102 		cfg->inplace_mode = OUT_OF_PLACE;
1103 		break;
1104 	case 2:
1105 		cfg->inplace_mode = INPLACE_ONE_SGLIST;
1106 		p += scnprintf(p, end - p, " inplace_one_sglist");
1107 		break;
1108 	default:
1109 		cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1110 		p += scnprintf(p, end - p, " inplace_two_sglists");
1111 		break;
1112 	}
1113 
1114 	if (prandom_bool(rng)) {
1115 		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1116 		p += scnprintf(p, end - p, " may_sleep");
1117 	}
1118 
1119 	switch (prandom_u32_below(rng, 4)) {
1120 	case 0:
1121 		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1122 		p += scnprintf(p, end - p, " use_final");
1123 		break;
1124 	case 1:
1125 		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1126 		p += scnprintf(p, end - p, " use_finup");
1127 		break;
1128 	default:
1129 		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1130 		p += scnprintf(p, end - p, " use_digest");
1131 		break;
1132 	}
1133 
1134 	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) {
1135 		if (prandom_bool(rng)) {
1136 			cfg->nosimd = true;
1137 			p += scnprintf(p, end - p, " nosimd");
1138 		}
1139 		if (prandom_bool(rng)) {
1140 			cfg->nosimd_setkey = true;
1141 			p += scnprintf(p, end - p, " nosimd_setkey");
1142 		}
1143 	}
1144 
1145 	p += scnprintf(p, end - p, " src_divs=[");
1146 	p = generate_random_sgl_divisions(rng, cfg->src_divs,
1147 					  ARRAY_SIZE(cfg->src_divs), p, end,
1148 					  (cfg->finalization_type !=
1149 					   FINALIZATION_TYPE_DIGEST),
1150 					  cfg->req_flags);
1151 	p += scnprintf(p, end - p, "]");
1152 
1153 	if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1154 		p += scnprintf(p, end - p, " dst_divs=[");
1155 		p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1156 						  ARRAY_SIZE(cfg->dst_divs),
1157 						  p, end, false,
1158 						  cfg->req_flags);
1159 		p += scnprintf(p, end - p, "]");
1160 	}
1161 
1162 	if (prandom_bool(rng)) {
1163 		cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1164 						       MAX_ALGAPI_ALIGNMASK);
1165 		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1166 	}
1167 
1168 	if (prandom_bool(rng)) {
1169 		cfg->key_offset = prandom_u32_inclusive(rng, 1,
1170 							MAX_ALGAPI_ALIGNMASK);
1171 		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1172 	}
1173 
1174 	WARN_ON_ONCE(!valid_testvec_config(cfg));
1175 }
1176 
1177 static void crypto_disable_simd_for_test(void)
1178 {
1179 	migrate_disable();
1180 	__this_cpu_write(crypto_simd_disabled_for_test, true);
1181 }
1182 
1183 static void crypto_reenable_simd_for_test(void)
1184 {
1185 	__this_cpu_write(crypto_simd_disabled_for_test, false);
1186 	migrate_enable();
1187 }
1188 
1189 /*
1190  * Given an algorithm name, build the name of the generic implementation of that
1191  * algorithm, assuming the usual naming convention.  Specifically, this appends
1192  * "-generic" to every part of the name that is not a template name.  Examples:
1193  *
1194  *	aes => aes-generic
1195  *	cbc(aes) => cbc(aes-generic)
1196  *	cts(cbc(aes)) => cts(cbc(aes-generic))
1197  *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1198  *
1199  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1200  */
1201 static int build_generic_driver_name(const char *algname,
1202 				     char driver_name[CRYPTO_MAX_ALG_NAME])
1203 {
1204 	const char *in = algname;
1205 	char *out = driver_name;
1206 	size_t len = strlen(algname);
1207 
1208 	if (len >= CRYPTO_MAX_ALG_NAME)
1209 		goto too_long;
1210 	do {
1211 		const char *in_saved = in;
1212 
1213 		while (*in && *in != '(' && *in != ')' && *in != ',')
1214 			*out++ = *in++;
1215 		if (*in != '(' && in > in_saved) {
1216 			len += 8;
1217 			if (len >= CRYPTO_MAX_ALG_NAME)
1218 				goto too_long;
1219 			memcpy(out, "-generic", 8);
1220 			out += 8;
1221 		}
1222 	} while ((*out++ = *in++) != '\0');
1223 	return 0;
1224 
1225 too_long:
1226 	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1227 	       algname);
1228 	return -ENAMETOOLONG;
1229 }
1230 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1231 static void crypto_disable_simd_for_test(void)
1232 {
1233 }
1234 
1235 static void crypto_reenable_simd_for_test(void)
1236 {
1237 }
1238 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1239 
1240 static int build_hash_sglist(struct test_sglist *tsgl,
1241 			     const struct hash_testvec *vec,
1242 			     const struct testvec_config *cfg,
1243 			     unsigned int alignmask,
1244 			     const struct test_sg_division *divs[XBUFSIZE])
1245 {
1246 	struct kvec kv;
1247 	struct iov_iter input;
1248 
1249 	kv.iov_base = (void *)vec->plaintext;
1250 	kv.iov_len = vec->psize;
1251 	iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1252 	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1253 				 &input, divs);
1254 }
1255 
1256 static int check_hash_result(const char *type,
1257 			     const u8 *result, unsigned int digestsize,
1258 			     const struct hash_testvec *vec,
1259 			     const char *vec_name,
1260 			     const char *driver,
1261 			     const struct testvec_config *cfg)
1262 {
1263 	if (memcmp(result, vec->digest, digestsize) != 0) {
1264 		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1265 		       type, driver, vec_name, cfg->name);
1266 		return -EINVAL;
1267 	}
1268 	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1269 		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1270 		       type, driver, vec_name, cfg->name);
1271 		return -EOVERFLOW;
1272 	}
1273 	return 0;
1274 }
1275 
1276 static inline int check_shash_op(const char *op, int err,
1277 				 const char *driver, const char *vec_name,
1278 				 const struct testvec_config *cfg)
1279 {
1280 	if (err)
1281 		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1282 		       driver, op, err, vec_name, cfg->name);
1283 	return err;
1284 }
1285 
1286 /* Test one hash test vector in one configuration, using the shash API */
1287 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1288 			      const char *vec_name,
1289 			      const struct testvec_config *cfg,
1290 			      struct shash_desc *desc,
1291 			      struct test_sglist *tsgl,
1292 			      u8 *hashstate)
1293 {
1294 	struct crypto_shash *tfm = desc->tfm;
1295 	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1296 	const unsigned int statesize = crypto_shash_statesize(tfm);
1297 	const char *driver = crypto_shash_driver_name(tfm);
1298 	const struct test_sg_division *divs[XBUFSIZE];
1299 	unsigned int i;
1300 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1301 	int err;
1302 
1303 	/* Set the key, if specified */
1304 	if (vec->ksize) {
1305 		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1306 				cfg, 0);
1307 		if (err) {
1308 			if (err == vec->setkey_error)
1309 				return 0;
1310 			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1311 			       driver, vec_name, vec->setkey_error, err,
1312 			       crypto_shash_get_flags(tfm));
1313 			return err;
1314 		}
1315 		if (vec->setkey_error) {
1316 			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1317 			       driver, vec_name, vec->setkey_error);
1318 			return -EINVAL;
1319 		}
1320 	}
1321 
1322 	/* Build the scatterlist for the source data */
1323 	err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1324 	if (err) {
1325 		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1326 		       driver, vec_name, cfg->name);
1327 		return err;
1328 	}
1329 
1330 	/* Do the actual hashing */
1331 
1332 	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1333 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1334 
1335 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1336 	    vec->digest_error) {
1337 		/* Just using digest() */
1338 		if (tsgl->nents != 1)
1339 			return 0;
1340 		if (cfg->nosimd)
1341 			crypto_disable_simd_for_test();
1342 		err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1343 					  tsgl->sgl[0].length, result);
1344 		if (cfg->nosimd)
1345 			crypto_reenable_simd_for_test();
1346 		if (err) {
1347 			if (err == vec->digest_error)
1348 				return 0;
1349 			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1350 			       driver, vec_name, vec->digest_error, err,
1351 			       cfg->name);
1352 			return err;
1353 		}
1354 		if (vec->digest_error) {
1355 			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1356 			       driver, vec_name, vec->digest_error, cfg->name);
1357 			return -EINVAL;
1358 		}
1359 		goto result_ready;
1360 	}
1361 
1362 	/* Using init(), zero or more update(), then final() or finup() */
1363 
1364 	if (cfg->nosimd)
1365 		crypto_disable_simd_for_test();
1366 	err = crypto_shash_init(desc);
1367 	if (cfg->nosimd)
1368 		crypto_reenable_simd_for_test();
1369 	err = check_shash_op("init", err, driver, vec_name, cfg);
1370 	if (err)
1371 		return err;
1372 
1373 	for (i = 0; i < tsgl->nents; i++) {
1374 		if (i + 1 == tsgl->nents &&
1375 		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1376 			if (divs[i]->nosimd)
1377 				crypto_disable_simd_for_test();
1378 			err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1379 						 tsgl->sgl[i].length, result);
1380 			if (divs[i]->nosimd)
1381 				crypto_reenable_simd_for_test();
1382 			err = check_shash_op("finup", err, driver, vec_name,
1383 					     cfg);
1384 			if (err)
1385 				return err;
1386 			goto result_ready;
1387 		}
1388 		if (divs[i]->nosimd)
1389 			crypto_disable_simd_for_test();
1390 		err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1391 					  tsgl->sgl[i].length);
1392 		if (divs[i]->nosimd)
1393 			crypto_reenable_simd_for_test();
1394 		err = check_shash_op("update", err, driver, vec_name, cfg);
1395 		if (err)
1396 			return err;
1397 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1398 			/* Test ->export() and ->import() */
1399 			testmgr_poison(hashstate + statesize,
1400 				       TESTMGR_POISON_LEN);
1401 			err = crypto_shash_export(desc, hashstate);
1402 			err = check_shash_op("export", err, driver, vec_name,
1403 					     cfg);
1404 			if (err)
1405 				return err;
1406 			if (!testmgr_is_poison(hashstate + statesize,
1407 					       TESTMGR_POISON_LEN)) {
1408 				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1409 				       driver, vec_name, cfg->name);
1410 				return -EOVERFLOW;
1411 			}
1412 			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1413 			err = crypto_shash_import(desc, hashstate);
1414 			err = check_shash_op("import", err, driver, vec_name,
1415 					     cfg);
1416 			if (err)
1417 				return err;
1418 		}
1419 	}
1420 
1421 	if (cfg->nosimd)
1422 		crypto_disable_simd_for_test();
1423 	err = crypto_shash_final(desc, result);
1424 	if (cfg->nosimd)
1425 		crypto_reenable_simd_for_test();
1426 	err = check_shash_op("final", err, driver, vec_name, cfg);
1427 	if (err)
1428 		return err;
1429 result_ready:
1430 	return check_hash_result("shash", result, digestsize, vec, vec_name,
1431 				 driver, cfg);
1432 }
1433 
1434 static int do_ahash_op(int (*op)(struct ahash_request *req),
1435 		       struct ahash_request *req,
1436 		       struct crypto_wait *wait, bool nosimd)
1437 {
1438 	int err;
1439 
1440 	if (nosimd)
1441 		crypto_disable_simd_for_test();
1442 
1443 	err = op(req);
1444 
1445 	if (nosimd)
1446 		crypto_reenable_simd_for_test();
1447 
1448 	return crypto_wait_req(err, wait);
1449 }
1450 
1451 static int check_nonfinal_ahash_op(const char *op, int err,
1452 				   u8 *result, unsigned int digestsize,
1453 				   const char *driver, const char *vec_name,
1454 				   const struct testvec_config *cfg)
1455 {
1456 	if (err) {
1457 		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1458 		       driver, op, err, vec_name, cfg->name);
1459 		return err;
1460 	}
1461 	if (!testmgr_is_poison(result, digestsize)) {
1462 		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1463 		       driver, op, vec_name, cfg->name);
1464 		return -EINVAL;
1465 	}
1466 	return 0;
1467 }
1468 
1469 /* Test one hash test vector in one configuration, using the ahash API */
1470 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1471 			      const char *vec_name,
1472 			      const struct testvec_config *cfg,
1473 			      struct ahash_request *req,
1474 			      struct test_sglist *tsgl,
1475 			      u8 *hashstate)
1476 {
1477 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1478 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1479 	const unsigned int statesize = crypto_ahash_statesize(tfm);
1480 	const char *driver = crypto_ahash_driver_name(tfm);
1481 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1482 	const struct test_sg_division *divs[XBUFSIZE];
1483 	DECLARE_CRYPTO_WAIT(wait);
1484 	unsigned int i;
1485 	struct scatterlist *pending_sgl;
1486 	unsigned int pending_len;
1487 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1488 	int err;
1489 
1490 	/* Set the key, if specified */
1491 	if (vec->ksize) {
1492 		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1493 				cfg, 0);
1494 		if (err) {
1495 			if (err == vec->setkey_error)
1496 				return 0;
1497 			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1498 			       driver, vec_name, vec->setkey_error, err,
1499 			       crypto_ahash_get_flags(tfm));
1500 			return err;
1501 		}
1502 		if (vec->setkey_error) {
1503 			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1504 			       driver, vec_name, vec->setkey_error);
1505 			return -EINVAL;
1506 		}
1507 	}
1508 
1509 	/* Build the scatterlist for the source data */
1510 	err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1511 	if (err) {
1512 		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1513 		       driver, vec_name, cfg->name);
1514 		return err;
1515 	}
1516 
1517 	/* Do the actual hashing */
1518 
1519 	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1520 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1521 
1522 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1523 	    vec->digest_error) {
1524 		/* Just using digest() */
1525 		ahash_request_set_callback(req, req_flags, crypto_req_done,
1526 					   &wait);
1527 		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1528 		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1529 		if (err) {
1530 			if (err == vec->digest_error)
1531 				return 0;
1532 			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1533 			       driver, vec_name, vec->digest_error, err,
1534 			       cfg->name);
1535 			return err;
1536 		}
1537 		if (vec->digest_error) {
1538 			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1539 			       driver, vec_name, vec->digest_error, cfg->name);
1540 			return -EINVAL;
1541 		}
1542 		goto result_ready;
1543 	}
1544 
1545 	/* Using init(), zero or more update(), then final() or finup() */
1546 
1547 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1548 	ahash_request_set_crypt(req, NULL, result, 0);
1549 	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1550 	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1551 				      driver, vec_name, cfg);
1552 	if (err)
1553 		return err;
1554 
1555 	pending_sgl = NULL;
1556 	pending_len = 0;
1557 	for (i = 0; i < tsgl->nents; i++) {
1558 		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1559 		    pending_sgl != NULL) {
1560 			/* update() with the pending data */
1561 			ahash_request_set_callback(req, req_flags,
1562 						   crypto_req_done, &wait);
1563 			ahash_request_set_crypt(req, pending_sgl, result,
1564 						pending_len);
1565 			err = do_ahash_op(crypto_ahash_update, req, &wait,
1566 					  divs[i]->nosimd);
1567 			err = check_nonfinal_ahash_op("update", err,
1568 						      result, digestsize,
1569 						      driver, vec_name, cfg);
1570 			if (err)
1571 				return err;
1572 			pending_sgl = NULL;
1573 			pending_len = 0;
1574 		}
1575 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1576 			/* Test ->export() and ->import() */
1577 			testmgr_poison(hashstate + statesize,
1578 				       TESTMGR_POISON_LEN);
1579 			err = crypto_ahash_export(req, hashstate);
1580 			err = check_nonfinal_ahash_op("export", err,
1581 						      result, digestsize,
1582 						      driver, vec_name, cfg);
1583 			if (err)
1584 				return err;
1585 			if (!testmgr_is_poison(hashstate + statesize,
1586 					       TESTMGR_POISON_LEN)) {
1587 				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1588 				       driver, vec_name, cfg->name);
1589 				return -EOVERFLOW;
1590 			}
1591 
1592 			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1593 			err = crypto_ahash_import(req, hashstate);
1594 			err = check_nonfinal_ahash_op("import", err,
1595 						      result, digestsize,
1596 						      driver, vec_name, cfg);
1597 			if (err)
1598 				return err;
1599 		}
1600 		if (pending_sgl == NULL)
1601 			pending_sgl = &tsgl->sgl[i];
1602 		pending_len += tsgl->sgl[i].length;
1603 	}
1604 
1605 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1606 	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1607 	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1608 		/* finish with update() and final() */
1609 		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1610 		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1611 					      driver, vec_name, cfg);
1612 		if (err)
1613 			return err;
1614 		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1615 		if (err) {
1616 			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1617 			       driver, err, vec_name, cfg->name);
1618 			return err;
1619 		}
1620 	} else {
1621 		/* finish with finup() */
1622 		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1623 		if (err) {
1624 			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1625 			       driver, err, vec_name, cfg->name);
1626 			return err;
1627 		}
1628 	}
1629 
1630 result_ready:
1631 	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1632 				 driver, cfg);
1633 }
1634 
1635 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1636 			     const char *vec_name,
1637 			     const struct testvec_config *cfg,
1638 			     struct ahash_request *req,
1639 			     struct shash_desc *desc,
1640 			     struct test_sglist *tsgl,
1641 			     u8 *hashstate)
1642 {
1643 	int err;
1644 
1645 	/*
1646 	 * For algorithms implemented as "shash", most bugs will be detected by
1647 	 * both the shash and ahash tests.  Test the shash API first so that the
1648 	 * failures involve less indirection, so are easier to debug.
1649 	 */
1650 
1651 	if (desc) {
1652 		err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1653 					 hashstate);
1654 		if (err)
1655 			return err;
1656 	}
1657 
1658 	return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1659 }
1660 
1661 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1662 			 struct ahash_request *req, struct shash_desc *desc,
1663 			 struct test_sglist *tsgl, u8 *hashstate)
1664 {
1665 	char vec_name[16];
1666 	unsigned int i;
1667 	int err;
1668 
1669 	sprintf(vec_name, "%u", vec_num);
1670 
1671 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1672 		err = test_hash_vec_cfg(vec, vec_name,
1673 					&default_hash_testvec_configs[i],
1674 					req, desc, tsgl, hashstate);
1675 		if (err)
1676 			return err;
1677 	}
1678 
1679 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1680 	if (!noextratests) {
1681 		struct rnd_state rng;
1682 		struct testvec_config cfg;
1683 		char cfgname[TESTVEC_CONFIG_NAMELEN];
1684 
1685 		init_rnd_state(&rng);
1686 
1687 		for (i = 0; i < fuzz_iterations; i++) {
1688 			generate_random_testvec_config(&rng, &cfg, cfgname,
1689 						       sizeof(cfgname));
1690 			err = test_hash_vec_cfg(vec, vec_name, &cfg,
1691 						req, desc, tsgl, hashstate);
1692 			if (err)
1693 				return err;
1694 			cond_resched();
1695 		}
1696 	}
1697 #endif
1698 	return 0;
1699 }
1700 
1701 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1702 /*
1703  * Generate a hash test vector from the given implementation.
1704  * Assumes the buffers in 'vec' were already allocated.
1705  */
1706 static void generate_random_hash_testvec(struct rnd_state *rng,
1707 					 struct shash_desc *desc,
1708 					 struct hash_testvec *vec,
1709 					 unsigned int maxkeysize,
1710 					 unsigned int maxdatasize,
1711 					 char *name, size_t max_namelen)
1712 {
1713 	/* Data */
1714 	vec->psize = generate_random_length(rng, maxdatasize);
1715 	generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1716 
1717 	/*
1718 	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1719 	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1720 	 */
1721 	vec->setkey_error = 0;
1722 	vec->ksize = 0;
1723 	if (maxkeysize) {
1724 		vec->ksize = maxkeysize;
1725 		if (prandom_u32_below(rng, 4) == 0)
1726 			vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1727 		generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1728 
1729 		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1730 							vec->ksize);
1731 		/* If the key couldn't be set, no need to continue to digest. */
1732 		if (vec->setkey_error)
1733 			goto done;
1734 	}
1735 
1736 	/* Digest */
1737 	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1738 						vec->psize, (u8 *)vec->digest);
1739 done:
1740 	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1741 		 vec->psize, vec->ksize);
1742 }
1743 
1744 /*
1745  * Test the hash algorithm represented by @req against the corresponding generic
1746  * implementation, if one is available.
1747  */
1748 static int test_hash_vs_generic_impl(const char *generic_driver,
1749 				     unsigned int maxkeysize,
1750 				     struct ahash_request *req,
1751 				     struct shash_desc *desc,
1752 				     struct test_sglist *tsgl,
1753 				     u8 *hashstate)
1754 {
1755 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1756 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1757 	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1758 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1759 	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1760 	const char *driver = crypto_ahash_driver_name(tfm);
1761 	struct rnd_state rng;
1762 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1763 	struct crypto_shash *generic_tfm = NULL;
1764 	struct shash_desc *generic_desc = NULL;
1765 	unsigned int i;
1766 	struct hash_testvec vec = { 0 };
1767 	char vec_name[64];
1768 	struct testvec_config *cfg;
1769 	char cfgname[TESTVEC_CONFIG_NAMELEN];
1770 	int err;
1771 
1772 	if (noextratests)
1773 		return 0;
1774 
1775 	init_rnd_state(&rng);
1776 
1777 	if (!generic_driver) { /* Use default naming convention? */
1778 		err = build_generic_driver_name(algname, _generic_driver);
1779 		if (err)
1780 			return err;
1781 		generic_driver = _generic_driver;
1782 	}
1783 
1784 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1785 		return 0;
1786 
1787 	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1788 	if (IS_ERR(generic_tfm)) {
1789 		err = PTR_ERR(generic_tfm);
1790 		if (err == -ENOENT) {
1791 			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1792 				driver, generic_driver);
1793 			return 0;
1794 		}
1795 		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1796 		       generic_driver, algname, err);
1797 		return err;
1798 	}
1799 
1800 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1801 	if (!cfg) {
1802 		err = -ENOMEM;
1803 		goto out;
1804 	}
1805 
1806 	generic_desc = kzalloc(sizeof(*desc) +
1807 			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1808 	if (!generic_desc) {
1809 		err = -ENOMEM;
1810 		goto out;
1811 	}
1812 	generic_desc->tfm = generic_tfm;
1813 
1814 	/* Check the algorithm properties for consistency. */
1815 
1816 	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1817 		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1818 		       driver, digestsize,
1819 		       crypto_shash_digestsize(generic_tfm));
1820 		err = -EINVAL;
1821 		goto out;
1822 	}
1823 
1824 	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1825 		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1826 		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1827 		err = -EINVAL;
1828 		goto out;
1829 	}
1830 
1831 	/*
1832 	 * Now generate test vectors using the generic implementation, and test
1833 	 * the other implementation against them.
1834 	 */
1835 
1836 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1837 	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1838 	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1839 	if (!vec.key || !vec.plaintext || !vec.digest) {
1840 		err = -ENOMEM;
1841 		goto out;
1842 	}
1843 
1844 	for (i = 0; i < fuzz_iterations * 8; i++) {
1845 		generate_random_hash_testvec(&rng, generic_desc, &vec,
1846 					     maxkeysize, maxdatasize,
1847 					     vec_name, sizeof(vec_name));
1848 		generate_random_testvec_config(&rng, cfg, cfgname,
1849 					       sizeof(cfgname));
1850 
1851 		err = test_hash_vec_cfg(&vec, vec_name, cfg,
1852 					req, desc, tsgl, hashstate);
1853 		if (err)
1854 			goto out;
1855 		cond_resched();
1856 	}
1857 	err = 0;
1858 out:
1859 	kfree(cfg);
1860 	kfree(vec.key);
1861 	kfree(vec.plaintext);
1862 	kfree(vec.digest);
1863 	crypto_free_shash(generic_tfm);
1864 	kfree_sensitive(generic_desc);
1865 	return err;
1866 }
1867 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1868 static int test_hash_vs_generic_impl(const char *generic_driver,
1869 				     unsigned int maxkeysize,
1870 				     struct ahash_request *req,
1871 				     struct shash_desc *desc,
1872 				     struct test_sglist *tsgl,
1873 				     u8 *hashstate)
1874 {
1875 	return 0;
1876 }
1877 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1878 
1879 static int alloc_shash(const char *driver, u32 type, u32 mask,
1880 		       struct crypto_shash **tfm_ret,
1881 		       struct shash_desc **desc_ret)
1882 {
1883 	struct crypto_shash *tfm;
1884 	struct shash_desc *desc;
1885 
1886 	tfm = crypto_alloc_shash(driver, type, mask);
1887 	if (IS_ERR(tfm)) {
1888 		if (PTR_ERR(tfm) == -ENOENT) {
1889 			/*
1890 			 * This algorithm is only available through the ahash
1891 			 * API, not the shash API, so skip the shash tests.
1892 			 */
1893 			return 0;
1894 		}
1895 		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1896 		       driver, PTR_ERR(tfm));
1897 		return PTR_ERR(tfm);
1898 	}
1899 
1900 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1901 	if (!desc) {
1902 		crypto_free_shash(tfm);
1903 		return -ENOMEM;
1904 	}
1905 	desc->tfm = tfm;
1906 
1907 	*tfm_ret = tfm;
1908 	*desc_ret = desc;
1909 	return 0;
1910 }
1911 
1912 static int __alg_test_hash(const struct hash_testvec *vecs,
1913 			   unsigned int num_vecs, const char *driver,
1914 			   u32 type, u32 mask,
1915 			   const char *generic_driver, unsigned int maxkeysize)
1916 {
1917 	struct crypto_ahash *atfm = NULL;
1918 	struct ahash_request *req = NULL;
1919 	struct crypto_shash *stfm = NULL;
1920 	struct shash_desc *desc = NULL;
1921 	struct test_sglist *tsgl = NULL;
1922 	u8 *hashstate = NULL;
1923 	unsigned int statesize;
1924 	unsigned int i;
1925 	int err;
1926 
1927 	/*
1928 	 * Always test the ahash API.  This works regardless of whether the
1929 	 * algorithm is implemented as ahash or shash.
1930 	 */
1931 
1932 	atfm = crypto_alloc_ahash(driver, type, mask);
1933 	if (IS_ERR(atfm)) {
1934 		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1935 		       driver, PTR_ERR(atfm));
1936 		return PTR_ERR(atfm);
1937 	}
1938 	driver = crypto_ahash_driver_name(atfm);
1939 
1940 	req = ahash_request_alloc(atfm, GFP_KERNEL);
1941 	if (!req) {
1942 		pr_err("alg: hash: failed to allocate request for %s\n",
1943 		       driver);
1944 		err = -ENOMEM;
1945 		goto out;
1946 	}
1947 
1948 	/*
1949 	 * If available also test the shash API, to cover corner cases that may
1950 	 * be missed by testing the ahash API only.
1951 	 */
1952 	err = alloc_shash(driver, type, mask, &stfm, &desc);
1953 	if (err)
1954 		goto out;
1955 
1956 	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1957 	if (!tsgl || init_test_sglist(tsgl) != 0) {
1958 		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1959 		       driver);
1960 		kfree(tsgl);
1961 		tsgl = NULL;
1962 		err = -ENOMEM;
1963 		goto out;
1964 	}
1965 
1966 	statesize = crypto_ahash_statesize(atfm);
1967 	if (stfm)
1968 		statesize = max(statesize, crypto_shash_statesize(stfm));
1969 	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1970 	if (!hashstate) {
1971 		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1972 		       driver);
1973 		err = -ENOMEM;
1974 		goto out;
1975 	}
1976 
1977 	for (i = 0; i < num_vecs; i++) {
1978 		if (fips_enabled && vecs[i].fips_skip)
1979 			continue;
1980 
1981 		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1982 		if (err)
1983 			goto out;
1984 		cond_resched();
1985 	}
1986 	err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1987 					desc, tsgl, hashstate);
1988 out:
1989 	kfree(hashstate);
1990 	if (tsgl) {
1991 		destroy_test_sglist(tsgl);
1992 		kfree(tsgl);
1993 	}
1994 	kfree(desc);
1995 	crypto_free_shash(stfm);
1996 	ahash_request_free(req);
1997 	crypto_free_ahash(atfm);
1998 	return err;
1999 }
2000 
2001 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
2002 			 u32 type, u32 mask)
2003 {
2004 	const struct hash_testvec *template = desc->suite.hash.vecs;
2005 	unsigned int tcount = desc->suite.hash.count;
2006 	unsigned int nr_unkeyed, nr_keyed;
2007 	unsigned int maxkeysize = 0;
2008 	int err;
2009 
2010 	/*
2011 	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
2012 	 * first, before setting a key on the tfm.  To make this easier, we
2013 	 * require that the unkeyed test vectors (if any) are listed first.
2014 	 */
2015 
2016 	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
2017 		if (template[nr_unkeyed].ksize)
2018 			break;
2019 	}
2020 	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2021 		if (!template[nr_unkeyed + nr_keyed].ksize) {
2022 			pr_err("alg: hash: test vectors for %s out of order, "
2023 			       "unkeyed ones must come first\n", desc->alg);
2024 			return -EINVAL;
2025 		}
2026 		maxkeysize = max_t(unsigned int, maxkeysize,
2027 				   template[nr_unkeyed + nr_keyed].ksize);
2028 	}
2029 
2030 	err = 0;
2031 	if (nr_unkeyed) {
2032 		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2033 				      desc->generic_driver, maxkeysize);
2034 		template += nr_unkeyed;
2035 	}
2036 
2037 	if (!err && nr_keyed)
2038 		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2039 				      desc->generic_driver, maxkeysize);
2040 
2041 	return err;
2042 }
2043 
2044 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2045 			     const char *vec_name,
2046 			     const struct testvec_config *cfg,
2047 			     struct aead_request *req,
2048 			     struct cipher_test_sglists *tsgls)
2049 {
2050 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2051 	const unsigned int alignmask = crypto_aead_alignmask(tfm);
2052 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2053 	const unsigned int authsize = vec->clen - vec->plen;
2054 	const char *driver = crypto_aead_driver_name(tfm);
2055 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2056 	const char *op = enc ? "encryption" : "decryption";
2057 	DECLARE_CRYPTO_WAIT(wait);
2058 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2059 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2060 		 cfg->iv_offset +
2061 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2062 	struct kvec input[2];
2063 	int err;
2064 
2065 	/* Set the key */
2066 	if (vec->wk)
2067 		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2068 	else
2069 		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2070 
2071 	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2072 			cfg, alignmask);
2073 	if (err && err != vec->setkey_error) {
2074 		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2075 		       driver, vec_name, vec->setkey_error, err,
2076 		       crypto_aead_get_flags(tfm));
2077 		return err;
2078 	}
2079 	if (!err && vec->setkey_error) {
2080 		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2081 		       driver, vec_name, vec->setkey_error);
2082 		return -EINVAL;
2083 	}
2084 
2085 	/* Set the authentication tag size */
2086 	err = crypto_aead_setauthsize(tfm, authsize);
2087 	if (err && err != vec->setauthsize_error) {
2088 		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2089 		       driver, vec_name, vec->setauthsize_error, err);
2090 		return err;
2091 	}
2092 	if (!err && vec->setauthsize_error) {
2093 		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2094 		       driver, vec_name, vec->setauthsize_error);
2095 		return -EINVAL;
2096 	}
2097 
2098 	if (vec->setkey_error || vec->setauthsize_error)
2099 		return 0;
2100 
2101 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2102 	if (WARN_ON(ivsize > MAX_IVLEN))
2103 		return -EINVAL;
2104 	if (vec->iv)
2105 		memcpy(iv, vec->iv, ivsize);
2106 	else
2107 		memset(iv, 0, ivsize);
2108 
2109 	/* Build the src/dst scatterlists */
2110 	input[0].iov_base = (void *)vec->assoc;
2111 	input[0].iov_len = vec->alen;
2112 	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2113 	input[1].iov_len = enc ? vec->plen : vec->clen;
2114 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2115 					vec->alen + (enc ? vec->plen :
2116 						     vec->clen),
2117 					vec->alen + (enc ? vec->clen :
2118 						     vec->plen),
2119 					input, 2);
2120 	if (err) {
2121 		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2122 		       driver, op, vec_name, cfg->name);
2123 		return err;
2124 	}
2125 
2126 	/* Do the actual encryption or decryption */
2127 	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2128 	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2129 	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2130 			       enc ? vec->plen : vec->clen, iv);
2131 	aead_request_set_ad(req, vec->alen);
2132 	if (cfg->nosimd)
2133 		crypto_disable_simd_for_test();
2134 	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2135 	if (cfg->nosimd)
2136 		crypto_reenable_simd_for_test();
2137 	err = crypto_wait_req(err, &wait);
2138 
2139 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2140 	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2141 	    req->assoclen != vec->alen ||
2142 	    req->iv != iv ||
2143 	    req->src != tsgls->src.sgl_ptr ||
2144 	    req->dst != tsgls->dst.sgl_ptr ||
2145 	    crypto_aead_reqtfm(req) != tfm ||
2146 	    req->base.complete != crypto_req_done ||
2147 	    req->base.flags != req_flags ||
2148 	    req->base.data != &wait) {
2149 		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2150 		       driver, op, vec_name, cfg->name);
2151 		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2152 			pr_err("alg: aead: changed 'req->cryptlen'\n");
2153 		if (req->assoclen != vec->alen)
2154 			pr_err("alg: aead: changed 'req->assoclen'\n");
2155 		if (req->iv != iv)
2156 			pr_err("alg: aead: changed 'req->iv'\n");
2157 		if (req->src != tsgls->src.sgl_ptr)
2158 			pr_err("alg: aead: changed 'req->src'\n");
2159 		if (req->dst != tsgls->dst.sgl_ptr)
2160 			pr_err("alg: aead: changed 'req->dst'\n");
2161 		if (crypto_aead_reqtfm(req) != tfm)
2162 			pr_err("alg: aead: changed 'req->base.tfm'\n");
2163 		if (req->base.complete != crypto_req_done)
2164 			pr_err("alg: aead: changed 'req->base.complete'\n");
2165 		if (req->base.flags != req_flags)
2166 			pr_err("alg: aead: changed 'req->base.flags'\n");
2167 		if (req->base.data != &wait)
2168 			pr_err("alg: aead: changed 'req->base.data'\n");
2169 		return -EINVAL;
2170 	}
2171 	if (is_test_sglist_corrupted(&tsgls->src)) {
2172 		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2173 		       driver, op, vec_name, cfg->name);
2174 		return -EINVAL;
2175 	}
2176 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2177 	    is_test_sglist_corrupted(&tsgls->dst)) {
2178 		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2179 		       driver, op, vec_name, cfg->name);
2180 		return -EINVAL;
2181 	}
2182 
2183 	/* Check for unexpected success or failure, or wrong error code */
2184 	if ((err == 0 && vec->novrfy) ||
2185 	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2186 		char expected_error[32];
2187 
2188 		if (vec->novrfy &&
2189 		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2190 			sprintf(expected_error, "-EBADMSG or %d",
2191 				vec->crypt_error);
2192 		else if (vec->novrfy)
2193 			sprintf(expected_error, "-EBADMSG");
2194 		else
2195 			sprintf(expected_error, "%d", vec->crypt_error);
2196 		if (err) {
2197 			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2198 			       driver, op, vec_name, expected_error, err,
2199 			       cfg->name);
2200 			return err;
2201 		}
2202 		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2203 		       driver, op, vec_name, expected_error, cfg->name);
2204 		return -EINVAL;
2205 	}
2206 	if (err) /* Expectedly failed. */
2207 		return 0;
2208 
2209 	/* Check for the correct output (ciphertext or plaintext) */
2210 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2211 				    enc ? vec->clen : vec->plen,
2212 				    vec->alen,
2213 				    enc || cfg->inplace_mode == OUT_OF_PLACE);
2214 	if (err == -EOVERFLOW) {
2215 		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2216 		       driver, op, vec_name, cfg->name);
2217 		return err;
2218 	}
2219 	if (err) {
2220 		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2221 		       driver, op, vec_name, cfg->name);
2222 		return err;
2223 	}
2224 
2225 	return 0;
2226 }
2227 
2228 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2229 			 unsigned int vec_num, struct aead_request *req,
2230 			 struct cipher_test_sglists *tsgls)
2231 {
2232 	char vec_name[16];
2233 	unsigned int i;
2234 	int err;
2235 
2236 	if (enc && vec->novrfy)
2237 		return 0;
2238 
2239 	sprintf(vec_name, "%u", vec_num);
2240 
2241 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2242 		err = test_aead_vec_cfg(enc, vec, vec_name,
2243 					&default_cipher_testvec_configs[i],
2244 					req, tsgls);
2245 		if (err)
2246 			return err;
2247 	}
2248 
2249 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2250 	if (!noextratests) {
2251 		struct rnd_state rng;
2252 		struct testvec_config cfg;
2253 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2254 
2255 		init_rnd_state(&rng);
2256 
2257 		for (i = 0; i < fuzz_iterations; i++) {
2258 			generate_random_testvec_config(&rng, &cfg, cfgname,
2259 						       sizeof(cfgname));
2260 			err = test_aead_vec_cfg(enc, vec, vec_name,
2261 						&cfg, req, tsgls);
2262 			if (err)
2263 				return err;
2264 			cond_resched();
2265 		}
2266 	}
2267 #endif
2268 	return 0;
2269 }
2270 
2271 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2272 
2273 struct aead_extra_tests_ctx {
2274 	struct rnd_state rng;
2275 	struct aead_request *req;
2276 	struct crypto_aead *tfm;
2277 	const struct alg_test_desc *test_desc;
2278 	struct cipher_test_sglists *tsgls;
2279 	unsigned int maxdatasize;
2280 	unsigned int maxkeysize;
2281 
2282 	struct aead_testvec vec;
2283 	char vec_name[64];
2284 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2285 	struct testvec_config cfg;
2286 };
2287 
2288 /*
2289  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2290  * here means the full ciphertext including the authentication tag.  The
2291  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2292  */
2293 static void mutate_aead_message(struct rnd_state *rng,
2294 				struct aead_testvec *vec, bool aad_iv,
2295 				unsigned int ivsize)
2296 {
2297 	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2298 	const unsigned int authsize = vec->clen - vec->plen;
2299 
2300 	if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2301 		 /* Mutate the AAD */
2302 		flip_random_bit(rng, (u8 *)vec->assoc,
2303 				vec->alen - aad_tail_size);
2304 		if (prandom_bool(rng))
2305 			return;
2306 	}
2307 	if (prandom_bool(rng)) {
2308 		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2309 		flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2310 	} else {
2311 		/* Mutate any part of the ciphertext */
2312 		flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2313 	}
2314 }
2315 
2316 /*
2317  * Minimum authentication tag size in bytes at which we assume that we can
2318  * reliably generate inauthentic messages, i.e. not generate an authentic
2319  * message by chance.
2320  */
2321 #define MIN_COLLISION_FREE_AUTHSIZE 8
2322 
2323 static void generate_aead_message(struct rnd_state *rng,
2324 				  struct aead_request *req,
2325 				  const struct aead_test_suite *suite,
2326 				  struct aead_testvec *vec,
2327 				  bool prefer_inauthentic)
2328 {
2329 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2330 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2331 	const unsigned int authsize = vec->clen - vec->plen;
2332 	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2333 				 (prefer_inauthentic ||
2334 				  prandom_u32_below(rng, 4) == 0);
2335 
2336 	/* Generate the AAD. */
2337 	generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2338 	if (suite->aad_iv && vec->alen >= ivsize)
2339 		/* Avoid implementation-defined behavior. */
2340 		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2341 
2342 	if (inauthentic && prandom_bool(rng)) {
2343 		/* Generate a random ciphertext. */
2344 		generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2345 	} else {
2346 		int i = 0;
2347 		struct scatterlist src[2], dst;
2348 		u8 iv[MAX_IVLEN];
2349 		DECLARE_CRYPTO_WAIT(wait);
2350 
2351 		/* Generate a random plaintext and encrypt it. */
2352 		sg_init_table(src, 2);
2353 		if (vec->alen)
2354 			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2355 		if (vec->plen) {
2356 			generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2357 			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2358 		}
2359 		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2360 		memcpy(iv, vec->iv, ivsize);
2361 		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2362 		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2363 		aead_request_set_ad(req, vec->alen);
2364 		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2365 						   &wait);
2366 		/* If encryption failed, we're done. */
2367 		if (vec->crypt_error != 0)
2368 			return;
2369 		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2370 		if (!inauthentic)
2371 			return;
2372 		/*
2373 		 * Mutate the authentic (ciphertext, AAD) pair to get an
2374 		 * inauthentic one.
2375 		 */
2376 		mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2377 	}
2378 	vec->novrfy = 1;
2379 	if (suite->einval_allowed)
2380 		vec->crypt_error = -EINVAL;
2381 }
2382 
2383 /*
2384  * Generate an AEAD test vector 'vec' using the implementation specified by
2385  * 'req'.  The buffers in 'vec' must already be allocated.
2386  *
2387  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2388  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2389  */
2390 static void generate_random_aead_testvec(struct rnd_state *rng,
2391 					 struct aead_request *req,
2392 					 struct aead_testvec *vec,
2393 					 const struct aead_test_suite *suite,
2394 					 unsigned int maxkeysize,
2395 					 unsigned int maxdatasize,
2396 					 char *name, size_t max_namelen,
2397 					 bool prefer_inauthentic)
2398 {
2399 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2400 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2401 	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2402 	unsigned int authsize;
2403 	unsigned int total_len;
2404 
2405 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2406 	vec->klen = maxkeysize;
2407 	if (prandom_u32_below(rng, 4) == 0)
2408 		vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2409 	generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2410 	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2411 
2412 	/* IV */
2413 	generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2414 
2415 	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2416 	authsize = maxauthsize;
2417 	if (prandom_u32_below(rng, 4) == 0)
2418 		authsize = prandom_u32_below(rng, maxauthsize + 1);
2419 	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2420 		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2421 	if (WARN_ON(authsize > maxdatasize))
2422 		authsize = maxdatasize;
2423 	maxdatasize -= authsize;
2424 	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2425 
2426 	/* AAD, plaintext, and ciphertext lengths */
2427 	total_len = generate_random_length(rng, maxdatasize);
2428 	if (prandom_u32_below(rng, 4) == 0)
2429 		vec->alen = 0;
2430 	else
2431 		vec->alen = generate_random_length(rng, total_len);
2432 	vec->plen = total_len - vec->alen;
2433 	vec->clen = vec->plen + authsize;
2434 
2435 	/*
2436 	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2437 	 * key or the authentication tag size couldn't be set.
2438 	 */
2439 	vec->novrfy = 0;
2440 	vec->crypt_error = 0;
2441 	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2442 		generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2443 	snprintf(name, max_namelen,
2444 		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2445 		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2446 }
2447 
2448 static void try_to_generate_inauthentic_testvec(
2449 					struct aead_extra_tests_ctx *ctx)
2450 {
2451 	int i;
2452 
2453 	for (i = 0; i < 10; i++) {
2454 		generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2455 					     &ctx->test_desc->suite.aead,
2456 					     ctx->maxkeysize, ctx->maxdatasize,
2457 					     ctx->vec_name,
2458 					     sizeof(ctx->vec_name), true);
2459 		if (ctx->vec.novrfy)
2460 			return;
2461 	}
2462 }
2463 
2464 /*
2465  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2466  * result of an encryption with the key) and verify that decryption fails.
2467  */
2468 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2469 {
2470 	unsigned int i;
2471 	int err;
2472 
2473 	for (i = 0; i < fuzz_iterations * 8; i++) {
2474 		/*
2475 		 * Since this part of the tests isn't comparing the
2476 		 * implementation to another, there's no point in testing any
2477 		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2478 		 *
2479 		 * If we're having trouble generating such a test vector, e.g.
2480 		 * if the algorithm keeps rejecting the generated keys, don't
2481 		 * retry forever; just continue on.
2482 		 */
2483 		try_to_generate_inauthentic_testvec(ctx);
2484 		if (ctx->vec.novrfy) {
2485 			generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2486 						       ctx->cfgname,
2487 						       sizeof(ctx->cfgname));
2488 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2489 						ctx->vec_name, &ctx->cfg,
2490 						ctx->req, ctx->tsgls);
2491 			if (err)
2492 				return err;
2493 		}
2494 		cond_resched();
2495 	}
2496 	return 0;
2497 }
2498 
2499 /*
2500  * Test the AEAD algorithm against the corresponding generic implementation, if
2501  * one is available.
2502  */
2503 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2504 {
2505 	struct crypto_aead *tfm = ctx->tfm;
2506 	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2507 	const char *driver = crypto_aead_driver_name(tfm);
2508 	const char *generic_driver = ctx->test_desc->generic_driver;
2509 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2510 	struct crypto_aead *generic_tfm = NULL;
2511 	struct aead_request *generic_req = NULL;
2512 	unsigned int i;
2513 	int err;
2514 
2515 	if (!generic_driver) { /* Use default naming convention? */
2516 		err = build_generic_driver_name(algname, _generic_driver);
2517 		if (err)
2518 			return err;
2519 		generic_driver = _generic_driver;
2520 	}
2521 
2522 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2523 		return 0;
2524 
2525 	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2526 	if (IS_ERR(generic_tfm)) {
2527 		err = PTR_ERR(generic_tfm);
2528 		if (err == -ENOENT) {
2529 			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2530 				driver, generic_driver);
2531 			return 0;
2532 		}
2533 		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2534 		       generic_driver, algname, err);
2535 		return err;
2536 	}
2537 
2538 	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2539 	if (!generic_req) {
2540 		err = -ENOMEM;
2541 		goto out;
2542 	}
2543 
2544 	/* Check the algorithm properties for consistency. */
2545 
2546 	if (crypto_aead_maxauthsize(tfm) !=
2547 	    crypto_aead_maxauthsize(generic_tfm)) {
2548 		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2549 		       driver, crypto_aead_maxauthsize(tfm),
2550 		       crypto_aead_maxauthsize(generic_tfm));
2551 		err = -EINVAL;
2552 		goto out;
2553 	}
2554 
2555 	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2556 		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2557 		       driver, crypto_aead_ivsize(tfm),
2558 		       crypto_aead_ivsize(generic_tfm));
2559 		err = -EINVAL;
2560 		goto out;
2561 	}
2562 
2563 	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2564 		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2565 		       driver, crypto_aead_blocksize(tfm),
2566 		       crypto_aead_blocksize(generic_tfm));
2567 		err = -EINVAL;
2568 		goto out;
2569 	}
2570 
2571 	/*
2572 	 * Now generate test vectors using the generic implementation, and test
2573 	 * the other implementation against them.
2574 	 */
2575 	for (i = 0; i < fuzz_iterations * 8; i++) {
2576 		generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2577 					     &ctx->test_desc->suite.aead,
2578 					     ctx->maxkeysize, ctx->maxdatasize,
2579 					     ctx->vec_name,
2580 					     sizeof(ctx->vec_name), false);
2581 		generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2582 					       ctx->cfgname,
2583 					       sizeof(ctx->cfgname));
2584 		if (!ctx->vec.novrfy) {
2585 			err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2586 						ctx->vec_name, &ctx->cfg,
2587 						ctx->req, ctx->tsgls);
2588 			if (err)
2589 				goto out;
2590 		}
2591 		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2592 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2593 						ctx->vec_name, &ctx->cfg,
2594 						ctx->req, ctx->tsgls);
2595 			if (err)
2596 				goto out;
2597 		}
2598 		cond_resched();
2599 	}
2600 	err = 0;
2601 out:
2602 	crypto_free_aead(generic_tfm);
2603 	aead_request_free(generic_req);
2604 	return err;
2605 }
2606 
2607 static int test_aead_extra(const struct alg_test_desc *test_desc,
2608 			   struct aead_request *req,
2609 			   struct cipher_test_sglists *tsgls)
2610 {
2611 	struct aead_extra_tests_ctx *ctx;
2612 	unsigned int i;
2613 	int err;
2614 
2615 	if (noextratests)
2616 		return 0;
2617 
2618 	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2619 	if (!ctx)
2620 		return -ENOMEM;
2621 	init_rnd_state(&ctx->rng);
2622 	ctx->req = req;
2623 	ctx->tfm = crypto_aead_reqtfm(req);
2624 	ctx->test_desc = test_desc;
2625 	ctx->tsgls = tsgls;
2626 	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2627 	ctx->maxkeysize = 0;
2628 	for (i = 0; i < test_desc->suite.aead.count; i++)
2629 		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2630 					test_desc->suite.aead.vecs[i].klen);
2631 
2632 	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2633 	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2634 	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2635 	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2636 	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2637 	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2638 	    !ctx->vec.ptext || !ctx->vec.ctext) {
2639 		err = -ENOMEM;
2640 		goto out;
2641 	}
2642 
2643 	err = test_aead_vs_generic_impl(ctx);
2644 	if (err)
2645 		goto out;
2646 
2647 	err = test_aead_inauthentic_inputs(ctx);
2648 out:
2649 	kfree(ctx->vec.key);
2650 	kfree(ctx->vec.iv);
2651 	kfree(ctx->vec.assoc);
2652 	kfree(ctx->vec.ptext);
2653 	kfree(ctx->vec.ctext);
2654 	kfree(ctx);
2655 	return err;
2656 }
2657 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2658 static int test_aead_extra(const struct alg_test_desc *test_desc,
2659 			   struct aead_request *req,
2660 			   struct cipher_test_sglists *tsgls)
2661 {
2662 	return 0;
2663 }
2664 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2665 
2666 static int test_aead(int enc, const struct aead_test_suite *suite,
2667 		     struct aead_request *req,
2668 		     struct cipher_test_sglists *tsgls)
2669 {
2670 	unsigned int i;
2671 	int err;
2672 
2673 	for (i = 0; i < suite->count; i++) {
2674 		err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2675 		if (err)
2676 			return err;
2677 		cond_resched();
2678 	}
2679 	return 0;
2680 }
2681 
2682 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2683 			 u32 type, u32 mask)
2684 {
2685 	const struct aead_test_suite *suite = &desc->suite.aead;
2686 	struct crypto_aead *tfm;
2687 	struct aead_request *req = NULL;
2688 	struct cipher_test_sglists *tsgls = NULL;
2689 	int err;
2690 
2691 	if (suite->count <= 0) {
2692 		pr_err("alg: aead: empty test suite for %s\n", driver);
2693 		return -EINVAL;
2694 	}
2695 
2696 	tfm = crypto_alloc_aead(driver, type, mask);
2697 	if (IS_ERR(tfm)) {
2698 		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2699 		       driver, PTR_ERR(tfm));
2700 		return PTR_ERR(tfm);
2701 	}
2702 	driver = crypto_aead_driver_name(tfm);
2703 
2704 	req = aead_request_alloc(tfm, GFP_KERNEL);
2705 	if (!req) {
2706 		pr_err("alg: aead: failed to allocate request for %s\n",
2707 		       driver);
2708 		err = -ENOMEM;
2709 		goto out;
2710 	}
2711 
2712 	tsgls = alloc_cipher_test_sglists();
2713 	if (!tsgls) {
2714 		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2715 		       driver);
2716 		err = -ENOMEM;
2717 		goto out;
2718 	}
2719 
2720 	err = test_aead(ENCRYPT, suite, req, tsgls);
2721 	if (err)
2722 		goto out;
2723 
2724 	err = test_aead(DECRYPT, suite, req, tsgls);
2725 	if (err)
2726 		goto out;
2727 
2728 	err = test_aead_extra(desc, req, tsgls);
2729 out:
2730 	free_cipher_test_sglists(tsgls);
2731 	aead_request_free(req);
2732 	crypto_free_aead(tfm);
2733 	return err;
2734 }
2735 
2736 static int test_cipher(struct crypto_cipher *tfm, int enc,
2737 		       const struct cipher_testvec *template,
2738 		       unsigned int tcount)
2739 {
2740 	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2741 	unsigned int i, j, k;
2742 	char *q;
2743 	const char *e;
2744 	const char *input, *result;
2745 	void *data;
2746 	char *xbuf[XBUFSIZE];
2747 	int ret = -ENOMEM;
2748 
2749 	if (testmgr_alloc_buf(xbuf))
2750 		goto out_nobuf;
2751 
2752 	if (enc == ENCRYPT)
2753 	        e = "encryption";
2754 	else
2755 		e = "decryption";
2756 
2757 	j = 0;
2758 	for (i = 0; i < tcount; i++) {
2759 
2760 		if (fips_enabled && template[i].fips_skip)
2761 			continue;
2762 
2763 		input  = enc ? template[i].ptext : template[i].ctext;
2764 		result = enc ? template[i].ctext : template[i].ptext;
2765 		j++;
2766 
2767 		ret = -EINVAL;
2768 		if (WARN_ON(template[i].len > PAGE_SIZE))
2769 			goto out;
2770 
2771 		data = xbuf[0];
2772 		memcpy(data, input, template[i].len);
2773 
2774 		crypto_cipher_clear_flags(tfm, ~0);
2775 		if (template[i].wk)
2776 			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2777 
2778 		ret = crypto_cipher_setkey(tfm, template[i].key,
2779 					   template[i].klen);
2780 		if (ret) {
2781 			if (ret == template[i].setkey_error)
2782 				continue;
2783 			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2784 			       algo, j, template[i].setkey_error, ret,
2785 			       crypto_cipher_get_flags(tfm));
2786 			goto out;
2787 		}
2788 		if (template[i].setkey_error) {
2789 			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2790 			       algo, j, template[i].setkey_error);
2791 			ret = -EINVAL;
2792 			goto out;
2793 		}
2794 
2795 		for (k = 0; k < template[i].len;
2796 		     k += crypto_cipher_blocksize(tfm)) {
2797 			if (enc)
2798 				crypto_cipher_encrypt_one(tfm, data + k,
2799 							  data + k);
2800 			else
2801 				crypto_cipher_decrypt_one(tfm, data + k,
2802 							  data + k);
2803 		}
2804 
2805 		q = data;
2806 		if (memcmp(q, result, template[i].len)) {
2807 			printk(KERN_ERR "alg: cipher: Test %d failed "
2808 			       "on %s for %s\n", j, e, algo);
2809 			hexdump(q, template[i].len);
2810 			ret = -EINVAL;
2811 			goto out;
2812 		}
2813 	}
2814 
2815 	ret = 0;
2816 
2817 out:
2818 	testmgr_free_buf(xbuf);
2819 out_nobuf:
2820 	return ret;
2821 }
2822 
2823 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2824 				 const char *vec_name,
2825 				 const struct testvec_config *cfg,
2826 				 struct skcipher_request *req,
2827 				 struct cipher_test_sglists *tsgls)
2828 {
2829 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2830 	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2831 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2832 	const char *driver = crypto_skcipher_driver_name(tfm);
2833 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2834 	const char *op = enc ? "encryption" : "decryption";
2835 	DECLARE_CRYPTO_WAIT(wait);
2836 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2837 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2838 		 cfg->iv_offset +
2839 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2840 	struct kvec input;
2841 	int err;
2842 
2843 	/* Set the key */
2844 	if (vec->wk)
2845 		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2846 	else
2847 		crypto_skcipher_clear_flags(tfm,
2848 					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2849 	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2850 			cfg, alignmask);
2851 	if (err) {
2852 		if (err == vec->setkey_error)
2853 			return 0;
2854 		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2855 		       driver, vec_name, vec->setkey_error, err,
2856 		       crypto_skcipher_get_flags(tfm));
2857 		return err;
2858 	}
2859 	if (vec->setkey_error) {
2860 		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2861 		       driver, vec_name, vec->setkey_error);
2862 		return -EINVAL;
2863 	}
2864 
2865 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2866 	if (ivsize) {
2867 		if (WARN_ON(ivsize > MAX_IVLEN))
2868 			return -EINVAL;
2869 		if (vec->generates_iv && !enc)
2870 			memcpy(iv, vec->iv_out, ivsize);
2871 		else if (vec->iv)
2872 			memcpy(iv, vec->iv, ivsize);
2873 		else
2874 			memset(iv, 0, ivsize);
2875 	} else {
2876 		if (vec->generates_iv) {
2877 			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2878 			       driver, vec_name);
2879 			return -EINVAL;
2880 		}
2881 		iv = NULL;
2882 	}
2883 
2884 	/* Build the src/dst scatterlists */
2885 	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2886 	input.iov_len = vec->len;
2887 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2888 					vec->len, vec->len, &input, 1);
2889 	if (err) {
2890 		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2891 		       driver, op, vec_name, cfg->name);
2892 		return err;
2893 	}
2894 
2895 	/* Do the actual encryption or decryption */
2896 	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2897 	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2898 	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2899 				   vec->len, iv);
2900 	if (cfg->nosimd)
2901 		crypto_disable_simd_for_test();
2902 	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2903 	if (cfg->nosimd)
2904 		crypto_reenable_simd_for_test();
2905 	err = crypto_wait_req(err, &wait);
2906 
2907 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2908 	if (req->cryptlen != vec->len ||
2909 	    req->iv != iv ||
2910 	    req->src != tsgls->src.sgl_ptr ||
2911 	    req->dst != tsgls->dst.sgl_ptr ||
2912 	    crypto_skcipher_reqtfm(req) != tfm ||
2913 	    req->base.complete != crypto_req_done ||
2914 	    req->base.flags != req_flags ||
2915 	    req->base.data != &wait) {
2916 		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2917 		       driver, op, vec_name, cfg->name);
2918 		if (req->cryptlen != vec->len)
2919 			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2920 		if (req->iv != iv)
2921 			pr_err("alg: skcipher: changed 'req->iv'\n");
2922 		if (req->src != tsgls->src.sgl_ptr)
2923 			pr_err("alg: skcipher: changed 'req->src'\n");
2924 		if (req->dst != tsgls->dst.sgl_ptr)
2925 			pr_err("alg: skcipher: changed 'req->dst'\n");
2926 		if (crypto_skcipher_reqtfm(req) != tfm)
2927 			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2928 		if (req->base.complete != crypto_req_done)
2929 			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2930 		if (req->base.flags != req_flags)
2931 			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2932 		if (req->base.data != &wait)
2933 			pr_err("alg: skcipher: changed 'req->base.data'\n");
2934 		return -EINVAL;
2935 	}
2936 	if (is_test_sglist_corrupted(&tsgls->src)) {
2937 		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2938 		       driver, op, vec_name, cfg->name);
2939 		return -EINVAL;
2940 	}
2941 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2942 	    is_test_sglist_corrupted(&tsgls->dst)) {
2943 		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2944 		       driver, op, vec_name, cfg->name);
2945 		return -EINVAL;
2946 	}
2947 
2948 	/* Check for success or failure */
2949 	if (err) {
2950 		if (err == vec->crypt_error)
2951 			return 0;
2952 		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2953 		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2954 		return err;
2955 	}
2956 	if (vec->crypt_error) {
2957 		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2958 		       driver, op, vec_name, vec->crypt_error, cfg->name);
2959 		return -EINVAL;
2960 	}
2961 
2962 	/* Check for the correct output (ciphertext or plaintext) */
2963 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2964 				    vec->len, 0, true);
2965 	if (err == -EOVERFLOW) {
2966 		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2967 		       driver, op, vec_name, cfg->name);
2968 		return err;
2969 	}
2970 	if (err) {
2971 		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2972 		       driver, op, vec_name, cfg->name);
2973 		return err;
2974 	}
2975 
2976 	/* If applicable, check that the algorithm generated the correct IV */
2977 	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2978 		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2979 		       driver, op, vec_name, cfg->name);
2980 		hexdump(iv, ivsize);
2981 		return -EINVAL;
2982 	}
2983 
2984 	return 0;
2985 }
2986 
2987 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2988 			     unsigned int vec_num,
2989 			     struct skcipher_request *req,
2990 			     struct cipher_test_sglists *tsgls)
2991 {
2992 	char vec_name[16];
2993 	unsigned int i;
2994 	int err;
2995 
2996 	if (fips_enabled && vec->fips_skip)
2997 		return 0;
2998 
2999 	sprintf(vec_name, "%u", vec_num);
3000 
3001 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
3002 		err = test_skcipher_vec_cfg(enc, vec, vec_name,
3003 					    &default_cipher_testvec_configs[i],
3004 					    req, tsgls);
3005 		if (err)
3006 			return err;
3007 	}
3008 
3009 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3010 	if (!noextratests) {
3011 		struct rnd_state rng;
3012 		struct testvec_config cfg;
3013 		char cfgname[TESTVEC_CONFIG_NAMELEN];
3014 
3015 		init_rnd_state(&rng);
3016 
3017 		for (i = 0; i < fuzz_iterations; i++) {
3018 			generate_random_testvec_config(&rng, &cfg, cfgname,
3019 						       sizeof(cfgname));
3020 			err = test_skcipher_vec_cfg(enc, vec, vec_name,
3021 						    &cfg, req, tsgls);
3022 			if (err)
3023 				return err;
3024 			cond_resched();
3025 		}
3026 	}
3027 #endif
3028 	return 0;
3029 }
3030 
3031 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3032 /*
3033  * Generate a symmetric cipher test vector from the given implementation.
3034  * Assumes the buffers in 'vec' were already allocated.
3035  */
3036 static void generate_random_cipher_testvec(struct rnd_state *rng,
3037 					   struct skcipher_request *req,
3038 					   struct cipher_testvec *vec,
3039 					   unsigned int maxdatasize,
3040 					   char *name, size_t max_namelen)
3041 {
3042 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3043 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3044 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3045 	struct scatterlist src, dst;
3046 	u8 iv[MAX_IVLEN];
3047 	DECLARE_CRYPTO_WAIT(wait);
3048 
3049 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3050 	vec->klen = maxkeysize;
3051 	if (prandom_u32_below(rng, 4) == 0)
3052 		vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3053 	generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3054 	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3055 
3056 	/* IV */
3057 	generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3058 
3059 	/* Plaintext */
3060 	vec->len = generate_random_length(rng, maxdatasize);
3061 	generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3062 
3063 	/* If the key couldn't be set, no need to continue to encrypt. */
3064 	if (vec->setkey_error)
3065 		goto done;
3066 
3067 	/* Ciphertext */
3068 	sg_init_one(&src, vec->ptext, vec->len);
3069 	sg_init_one(&dst, vec->ctext, vec->len);
3070 	memcpy(iv, vec->iv, ivsize);
3071 	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3072 	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3073 	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3074 	if (vec->crypt_error != 0) {
3075 		/*
3076 		 * The only acceptable error here is for an invalid length, so
3077 		 * skcipher decryption should fail with the same error too.
3078 		 * We'll test for this.  But to keep the API usage well-defined,
3079 		 * explicitly initialize the ciphertext buffer too.
3080 		 */
3081 		memset((u8 *)vec->ctext, 0, vec->len);
3082 	}
3083 done:
3084 	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3085 		 vec->len, vec->klen);
3086 }
3087 
3088 /*
3089  * Test the skcipher algorithm represented by @req against the corresponding
3090  * generic implementation, if one is available.
3091  */
3092 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3093 					 struct skcipher_request *req,
3094 					 struct cipher_test_sglists *tsgls)
3095 {
3096 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3097 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3098 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3099 	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3100 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3101 	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3102 	const char *driver = crypto_skcipher_driver_name(tfm);
3103 	struct rnd_state rng;
3104 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
3105 	struct crypto_skcipher *generic_tfm = NULL;
3106 	struct skcipher_request *generic_req = NULL;
3107 	unsigned int i;
3108 	struct cipher_testvec vec = { 0 };
3109 	char vec_name[64];
3110 	struct testvec_config *cfg;
3111 	char cfgname[TESTVEC_CONFIG_NAMELEN];
3112 	int err;
3113 
3114 	if (noextratests)
3115 		return 0;
3116 
3117 	/* Keywrap isn't supported here yet as it handles its IV differently. */
3118 	if (strncmp(algname, "kw(", 3) == 0)
3119 		return 0;
3120 
3121 	init_rnd_state(&rng);
3122 
3123 	if (!generic_driver) { /* Use default naming convention? */
3124 		err = build_generic_driver_name(algname, _generic_driver);
3125 		if (err)
3126 			return err;
3127 		generic_driver = _generic_driver;
3128 	}
3129 
3130 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3131 		return 0;
3132 
3133 	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3134 	if (IS_ERR(generic_tfm)) {
3135 		err = PTR_ERR(generic_tfm);
3136 		if (err == -ENOENT) {
3137 			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3138 				driver, generic_driver);
3139 			return 0;
3140 		}
3141 		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3142 		       generic_driver, algname, err);
3143 		return err;
3144 	}
3145 
3146 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3147 	if (!cfg) {
3148 		err = -ENOMEM;
3149 		goto out;
3150 	}
3151 
3152 	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3153 	if (!generic_req) {
3154 		err = -ENOMEM;
3155 		goto out;
3156 	}
3157 
3158 	/* Check the algorithm properties for consistency. */
3159 
3160 	if (crypto_skcipher_min_keysize(tfm) !=
3161 	    crypto_skcipher_min_keysize(generic_tfm)) {
3162 		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3163 		       driver, crypto_skcipher_min_keysize(tfm),
3164 		       crypto_skcipher_min_keysize(generic_tfm));
3165 		err = -EINVAL;
3166 		goto out;
3167 	}
3168 
3169 	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3170 		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3171 		       driver, maxkeysize,
3172 		       crypto_skcipher_max_keysize(generic_tfm));
3173 		err = -EINVAL;
3174 		goto out;
3175 	}
3176 
3177 	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3178 		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3179 		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3180 		err = -EINVAL;
3181 		goto out;
3182 	}
3183 
3184 	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3185 		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3186 		       driver, blocksize,
3187 		       crypto_skcipher_blocksize(generic_tfm));
3188 		err = -EINVAL;
3189 		goto out;
3190 	}
3191 
3192 	/*
3193 	 * Now generate test vectors using the generic implementation, and test
3194 	 * the other implementation against them.
3195 	 */
3196 
3197 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3198 	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3199 	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3200 	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3201 	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3202 		err = -ENOMEM;
3203 		goto out;
3204 	}
3205 
3206 	for (i = 0; i < fuzz_iterations * 8; i++) {
3207 		generate_random_cipher_testvec(&rng, generic_req, &vec,
3208 					       maxdatasize,
3209 					       vec_name, sizeof(vec_name));
3210 		generate_random_testvec_config(&rng, cfg, cfgname,
3211 					       sizeof(cfgname));
3212 
3213 		err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3214 					    cfg, req, tsgls);
3215 		if (err)
3216 			goto out;
3217 		err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3218 					    cfg, req, tsgls);
3219 		if (err)
3220 			goto out;
3221 		cond_resched();
3222 	}
3223 	err = 0;
3224 out:
3225 	kfree(cfg);
3226 	kfree(vec.key);
3227 	kfree(vec.iv);
3228 	kfree(vec.ptext);
3229 	kfree(vec.ctext);
3230 	crypto_free_skcipher(generic_tfm);
3231 	skcipher_request_free(generic_req);
3232 	return err;
3233 }
3234 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3235 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3236 					 struct skcipher_request *req,
3237 					 struct cipher_test_sglists *tsgls)
3238 {
3239 	return 0;
3240 }
3241 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3242 
3243 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3244 			 struct skcipher_request *req,
3245 			 struct cipher_test_sglists *tsgls)
3246 {
3247 	unsigned int i;
3248 	int err;
3249 
3250 	for (i = 0; i < suite->count; i++) {
3251 		err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3252 		if (err)
3253 			return err;
3254 		cond_resched();
3255 	}
3256 	return 0;
3257 }
3258 
3259 static int alg_test_skcipher(const struct alg_test_desc *desc,
3260 			     const char *driver, u32 type, u32 mask)
3261 {
3262 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3263 	struct crypto_skcipher *tfm;
3264 	struct skcipher_request *req = NULL;
3265 	struct cipher_test_sglists *tsgls = NULL;
3266 	int err;
3267 
3268 	if (suite->count <= 0) {
3269 		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3270 		return -EINVAL;
3271 	}
3272 
3273 	tfm = crypto_alloc_skcipher(driver, type, mask);
3274 	if (IS_ERR(tfm)) {
3275 		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3276 		       driver, PTR_ERR(tfm));
3277 		return PTR_ERR(tfm);
3278 	}
3279 	driver = crypto_skcipher_driver_name(tfm);
3280 
3281 	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3282 	if (!req) {
3283 		pr_err("alg: skcipher: failed to allocate request for %s\n",
3284 		       driver);
3285 		err = -ENOMEM;
3286 		goto out;
3287 	}
3288 
3289 	tsgls = alloc_cipher_test_sglists();
3290 	if (!tsgls) {
3291 		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3292 		       driver);
3293 		err = -ENOMEM;
3294 		goto out;
3295 	}
3296 
3297 	err = test_skcipher(ENCRYPT, suite, req, tsgls);
3298 	if (err)
3299 		goto out;
3300 
3301 	err = test_skcipher(DECRYPT, suite, req, tsgls);
3302 	if (err)
3303 		goto out;
3304 
3305 	err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3306 out:
3307 	free_cipher_test_sglists(tsgls);
3308 	skcipher_request_free(req);
3309 	crypto_free_skcipher(tfm);
3310 	return err;
3311 }
3312 
3313 static int test_comp(struct crypto_comp *tfm,
3314 		     const struct comp_testvec *ctemplate,
3315 		     const struct comp_testvec *dtemplate,
3316 		     int ctcount, int dtcount)
3317 {
3318 	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3319 	char *output, *decomp_output;
3320 	unsigned int i;
3321 	int ret;
3322 
3323 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3324 	if (!output)
3325 		return -ENOMEM;
3326 
3327 	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3328 	if (!decomp_output) {
3329 		kfree(output);
3330 		return -ENOMEM;
3331 	}
3332 
3333 	for (i = 0; i < ctcount; i++) {
3334 		int ilen;
3335 		unsigned int dlen = COMP_BUF_SIZE;
3336 
3337 		memset(output, 0, COMP_BUF_SIZE);
3338 		memset(decomp_output, 0, COMP_BUF_SIZE);
3339 
3340 		ilen = ctemplate[i].inlen;
3341 		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3342 					   ilen, output, &dlen);
3343 		if (ret) {
3344 			printk(KERN_ERR "alg: comp: compression failed "
3345 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3346 			       -ret);
3347 			goto out;
3348 		}
3349 
3350 		ilen = dlen;
3351 		dlen = COMP_BUF_SIZE;
3352 		ret = crypto_comp_decompress(tfm, output,
3353 					     ilen, decomp_output, &dlen);
3354 		if (ret) {
3355 			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3356 			       i + 1, algo, -ret);
3357 			goto out;
3358 		}
3359 
3360 		if (dlen != ctemplate[i].inlen) {
3361 			printk(KERN_ERR "alg: comp: Compression test %d "
3362 			       "failed for %s: output len = %d\n", i + 1, algo,
3363 			       dlen);
3364 			ret = -EINVAL;
3365 			goto out;
3366 		}
3367 
3368 		if (memcmp(decomp_output, ctemplate[i].input,
3369 			   ctemplate[i].inlen)) {
3370 			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3371 			       i + 1, algo);
3372 			hexdump(decomp_output, dlen);
3373 			ret = -EINVAL;
3374 			goto out;
3375 		}
3376 	}
3377 
3378 	for (i = 0; i < dtcount; i++) {
3379 		int ilen;
3380 		unsigned int dlen = COMP_BUF_SIZE;
3381 
3382 		memset(decomp_output, 0, COMP_BUF_SIZE);
3383 
3384 		ilen = dtemplate[i].inlen;
3385 		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3386 					     ilen, decomp_output, &dlen);
3387 		if (ret) {
3388 			printk(KERN_ERR "alg: comp: decompression failed "
3389 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3390 			       -ret);
3391 			goto out;
3392 		}
3393 
3394 		if (dlen != dtemplate[i].outlen) {
3395 			printk(KERN_ERR "alg: comp: Decompression test %d "
3396 			       "failed for %s: output len = %d\n", i + 1, algo,
3397 			       dlen);
3398 			ret = -EINVAL;
3399 			goto out;
3400 		}
3401 
3402 		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3403 			printk(KERN_ERR "alg: comp: Decompression test %d "
3404 			       "failed for %s\n", i + 1, algo);
3405 			hexdump(decomp_output, dlen);
3406 			ret = -EINVAL;
3407 			goto out;
3408 		}
3409 	}
3410 
3411 	ret = 0;
3412 
3413 out:
3414 	kfree(decomp_output);
3415 	kfree(output);
3416 	return ret;
3417 }
3418 
3419 static int test_acomp(struct crypto_acomp *tfm,
3420 		      const struct comp_testvec *ctemplate,
3421 		      const struct comp_testvec *dtemplate,
3422 		      int ctcount, int dtcount)
3423 {
3424 	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3425 	unsigned int i;
3426 	char *output, *decomp_out;
3427 	int ret;
3428 	struct scatterlist src, dst;
3429 	struct acomp_req *req;
3430 	struct crypto_wait wait;
3431 
3432 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3433 	if (!output)
3434 		return -ENOMEM;
3435 
3436 	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3437 	if (!decomp_out) {
3438 		kfree(output);
3439 		return -ENOMEM;
3440 	}
3441 
3442 	for (i = 0; i < ctcount; i++) {
3443 		unsigned int dlen = COMP_BUF_SIZE;
3444 		int ilen = ctemplate[i].inlen;
3445 		void *input_vec;
3446 
3447 		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3448 		if (!input_vec) {
3449 			ret = -ENOMEM;
3450 			goto out;
3451 		}
3452 
3453 		memset(output, 0, dlen);
3454 		crypto_init_wait(&wait);
3455 		sg_init_one(&src, input_vec, ilen);
3456 		sg_init_one(&dst, output, dlen);
3457 
3458 		req = acomp_request_alloc(tfm);
3459 		if (!req) {
3460 			pr_err("alg: acomp: request alloc failed for %s\n",
3461 			       algo);
3462 			kfree(input_vec);
3463 			ret = -ENOMEM;
3464 			goto out;
3465 		}
3466 
3467 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3468 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3469 					   crypto_req_done, &wait);
3470 
3471 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3472 		if (ret) {
3473 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3474 			       i + 1, algo, -ret);
3475 			kfree(input_vec);
3476 			acomp_request_free(req);
3477 			goto out;
3478 		}
3479 
3480 		ilen = req->dlen;
3481 		dlen = COMP_BUF_SIZE;
3482 		sg_init_one(&src, output, ilen);
3483 		sg_init_one(&dst, decomp_out, dlen);
3484 		crypto_init_wait(&wait);
3485 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3486 
3487 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3488 		if (ret) {
3489 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3490 			       i + 1, algo, -ret);
3491 			kfree(input_vec);
3492 			acomp_request_free(req);
3493 			goto out;
3494 		}
3495 
3496 		if (req->dlen != ctemplate[i].inlen) {
3497 			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3498 			       i + 1, algo, req->dlen);
3499 			ret = -EINVAL;
3500 			kfree(input_vec);
3501 			acomp_request_free(req);
3502 			goto out;
3503 		}
3504 
3505 		if (memcmp(input_vec, decomp_out, req->dlen)) {
3506 			pr_err("alg: acomp: Compression test %d failed for %s\n",
3507 			       i + 1, algo);
3508 			hexdump(output, req->dlen);
3509 			ret = -EINVAL;
3510 			kfree(input_vec);
3511 			acomp_request_free(req);
3512 			goto out;
3513 		}
3514 
3515 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3516 		crypto_init_wait(&wait);
3517 		sg_init_one(&src, input_vec, ilen);
3518 		acomp_request_set_params(req, &src, NULL, ilen, 0);
3519 
3520 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3521 		if (ret) {
3522 			pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3523 			       i + 1, algo, -ret);
3524 			kfree(input_vec);
3525 			acomp_request_free(req);
3526 			goto out;
3527 		}
3528 #endif
3529 
3530 		kfree(input_vec);
3531 		acomp_request_free(req);
3532 	}
3533 
3534 	for (i = 0; i < dtcount; i++) {
3535 		unsigned int dlen = COMP_BUF_SIZE;
3536 		int ilen = dtemplate[i].inlen;
3537 		void *input_vec;
3538 
3539 		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3540 		if (!input_vec) {
3541 			ret = -ENOMEM;
3542 			goto out;
3543 		}
3544 
3545 		memset(output, 0, dlen);
3546 		crypto_init_wait(&wait);
3547 		sg_init_one(&src, input_vec, ilen);
3548 		sg_init_one(&dst, output, dlen);
3549 
3550 		req = acomp_request_alloc(tfm);
3551 		if (!req) {
3552 			pr_err("alg: acomp: request alloc failed for %s\n",
3553 			       algo);
3554 			kfree(input_vec);
3555 			ret = -ENOMEM;
3556 			goto out;
3557 		}
3558 
3559 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3560 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3561 					   crypto_req_done, &wait);
3562 
3563 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3564 		if (ret) {
3565 			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3566 			       i + 1, algo, -ret);
3567 			kfree(input_vec);
3568 			acomp_request_free(req);
3569 			goto out;
3570 		}
3571 
3572 		if (req->dlen != dtemplate[i].outlen) {
3573 			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3574 			       i + 1, algo, req->dlen);
3575 			ret = -EINVAL;
3576 			kfree(input_vec);
3577 			acomp_request_free(req);
3578 			goto out;
3579 		}
3580 
3581 		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3582 			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3583 			       i + 1, algo);
3584 			hexdump(output, req->dlen);
3585 			ret = -EINVAL;
3586 			kfree(input_vec);
3587 			acomp_request_free(req);
3588 			goto out;
3589 		}
3590 
3591 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3592 		crypto_init_wait(&wait);
3593 		acomp_request_set_params(req, &src, NULL, ilen, 0);
3594 
3595 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3596 		if (ret) {
3597 			pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3598 			       i + 1, algo, -ret);
3599 			kfree(input_vec);
3600 			acomp_request_free(req);
3601 			goto out;
3602 		}
3603 #endif
3604 
3605 		kfree(input_vec);
3606 		acomp_request_free(req);
3607 	}
3608 
3609 	ret = 0;
3610 
3611 out:
3612 	kfree(decomp_out);
3613 	kfree(output);
3614 	return ret;
3615 }
3616 
3617 static int test_cprng(struct crypto_rng *tfm,
3618 		      const struct cprng_testvec *template,
3619 		      unsigned int tcount)
3620 {
3621 	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3622 	int err = 0, i, j, seedsize;
3623 	u8 *seed;
3624 	char result[32];
3625 
3626 	seedsize = crypto_rng_seedsize(tfm);
3627 
3628 	seed = kmalloc(seedsize, GFP_KERNEL);
3629 	if (!seed) {
3630 		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3631 		       "for %s\n", algo);
3632 		return -ENOMEM;
3633 	}
3634 
3635 	for (i = 0; i < tcount; i++) {
3636 		memset(result, 0, 32);
3637 
3638 		memcpy(seed, template[i].v, template[i].vlen);
3639 		memcpy(seed + template[i].vlen, template[i].key,
3640 		       template[i].klen);
3641 		memcpy(seed + template[i].vlen + template[i].klen,
3642 		       template[i].dt, template[i].dtlen);
3643 
3644 		err = crypto_rng_reset(tfm, seed, seedsize);
3645 		if (err) {
3646 			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3647 			       "for %s\n", algo);
3648 			goto out;
3649 		}
3650 
3651 		for (j = 0; j < template[i].loops; j++) {
3652 			err = crypto_rng_get_bytes(tfm, result,
3653 						   template[i].rlen);
3654 			if (err < 0) {
3655 				printk(KERN_ERR "alg: cprng: Failed to obtain "
3656 				       "the correct amount of random data for "
3657 				       "%s (requested %d)\n", algo,
3658 				       template[i].rlen);
3659 				goto out;
3660 			}
3661 		}
3662 
3663 		err = memcmp(result, template[i].result,
3664 			     template[i].rlen);
3665 		if (err) {
3666 			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3667 			       i, algo);
3668 			hexdump(result, template[i].rlen);
3669 			err = -EINVAL;
3670 			goto out;
3671 		}
3672 	}
3673 
3674 out:
3675 	kfree(seed);
3676 	return err;
3677 }
3678 
3679 static int alg_test_cipher(const struct alg_test_desc *desc,
3680 			   const char *driver, u32 type, u32 mask)
3681 {
3682 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3683 	struct crypto_cipher *tfm;
3684 	int err;
3685 
3686 	tfm = crypto_alloc_cipher(driver, type, mask);
3687 	if (IS_ERR(tfm)) {
3688 		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3689 		       "%s: %ld\n", driver, PTR_ERR(tfm));
3690 		return PTR_ERR(tfm);
3691 	}
3692 
3693 	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3694 	if (!err)
3695 		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3696 
3697 	crypto_free_cipher(tfm);
3698 	return err;
3699 }
3700 
3701 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3702 			 u32 type, u32 mask)
3703 {
3704 	struct crypto_comp *comp;
3705 	struct crypto_acomp *acomp;
3706 	int err;
3707 	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3708 
3709 	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3710 		acomp = crypto_alloc_acomp(driver, type, mask);
3711 		if (IS_ERR(acomp)) {
3712 			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3713 			       driver, PTR_ERR(acomp));
3714 			return PTR_ERR(acomp);
3715 		}
3716 		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3717 				 desc->suite.comp.decomp.vecs,
3718 				 desc->suite.comp.comp.count,
3719 				 desc->suite.comp.decomp.count);
3720 		crypto_free_acomp(acomp);
3721 	} else {
3722 		comp = crypto_alloc_comp(driver, type, mask);
3723 		if (IS_ERR(comp)) {
3724 			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3725 			       driver, PTR_ERR(comp));
3726 			return PTR_ERR(comp);
3727 		}
3728 
3729 		err = test_comp(comp, desc->suite.comp.comp.vecs,
3730 				desc->suite.comp.decomp.vecs,
3731 				desc->suite.comp.comp.count,
3732 				desc->suite.comp.decomp.count);
3733 
3734 		crypto_free_comp(comp);
3735 	}
3736 	return err;
3737 }
3738 
3739 static int alg_test_crc32c(const struct alg_test_desc *desc,
3740 			   const char *driver, u32 type, u32 mask)
3741 {
3742 	struct crypto_shash *tfm;
3743 	__le32 val;
3744 	int err;
3745 
3746 	err = alg_test_hash(desc, driver, type, mask);
3747 	if (err)
3748 		return err;
3749 
3750 	tfm = crypto_alloc_shash(driver, type, mask);
3751 	if (IS_ERR(tfm)) {
3752 		if (PTR_ERR(tfm) == -ENOENT) {
3753 			/*
3754 			 * This crc32c implementation is only available through
3755 			 * ahash API, not the shash API, so the remaining part
3756 			 * of the test is not applicable to it.
3757 			 */
3758 			return 0;
3759 		}
3760 		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3761 		       "%ld\n", driver, PTR_ERR(tfm));
3762 		return PTR_ERR(tfm);
3763 	}
3764 	driver = crypto_shash_driver_name(tfm);
3765 
3766 	do {
3767 		SHASH_DESC_ON_STACK(shash, tfm);
3768 		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3769 
3770 		shash->tfm = tfm;
3771 
3772 		*ctx = 420553207;
3773 		err = crypto_shash_final(shash, (u8 *)&val);
3774 		if (err) {
3775 			printk(KERN_ERR "alg: crc32c: Operation failed for "
3776 			       "%s: %d\n", driver, err);
3777 			break;
3778 		}
3779 
3780 		if (val != cpu_to_le32(~420553207)) {
3781 			pr_err("alg: crc32c: Test failed for %s: %u\n",
3782 			       driver, le32_to_cpu(val));
3783 			err = -EINVAL;
3784 		}
3785 	} while (0);
3786 
3787 	crypto_free_shash(tfm);
3788 
3789 	return err;
3790 }
3791 
3792 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3793 			  u32 type, u32 mask)
3794 {
3795 	struct crypto_rng *rng;
3796 	int err;
3797 
3798 	rng = crypto_alloc_rng(driver, type, mask);
3799 	if (IS_ERR(rng)) {
3800 		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3801 		       "%ld\n", driver, PTR_ERR(rng));
3802 		return PTR_ERR(rng);
3803 	}
3804 
3805 	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3806 
3807 	crypto_free_rng(rng);
3808 
3809 	return err;
3810 }
3811 
3812 
3813 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3814 			  const char *driver, u32 type, u32 mask)
3815 {
3816 	int ret = -EAGAIN;
3817 	struct crypto_rng *drng;
3818 	struct drbg_test_data test_data;
3819 	struct drbg_string addtl, pers, testentropy;
3820 	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3821 
3822 	if (!buf)
3823 		return -ENOMEM;
3824 
3825 	drng = crypto_alloc_rng(driver, type, mask);
3826 	if (IS_ERR(drng)) {
3827 		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3828 		       "%s\n", driver);
3829 		kfree_sensitive(buf);
3830 		return -ENOMEM;
3831 	}
3832 
3833 	test_data.testentropy = &testentropy;
3834 	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3835 	drbg_string_fill(&pers, test->pers, test->perslen);
3836 	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3837 	if (ret) {
3838 		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3839 		goto outbuf;
3840 	}
3841 
3842 	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3843 	if (pr) {
3844 		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3845 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3846 			buf, test->expectedlen, &addtl,	&test_data);
3847 	} else {
3848 		ret = crypto_drbg_get_bytes_addtl(drng,
3849 			buf, test->expectedlen, &addtl);
3850 	}
3851 	if (ret < 0) {
3852 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3853 		       "driver %s\n", driver);
3854 		goto outbuf;
3855 	}
3856 
3857 	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3858 	if (pr) {
3859 		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3860 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3861 			buf, test->expectedlen, &addtl, &test_data);
3862 	} else {
3863 		ret = crypto_drbg_get_bytes_addtl(drng,
3864 			buf, test->expectedlen, &addtl);
3865 	}
3866 	if (ret < 0) {
3867 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3868 		       "driver %s\n", driver);
3869 		goto outbuf;
3870 	}
3871 
3872 	ret = memcmp(test->expected, buf, test->expectedlen);
3873 
3874 outbuf:
3875 	crypto_free_rng(drng);
3876 	kfree_sensitive(buf);
3877 	return ret;
3878 }
3879 
3880 
3881 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3882 			 u32 type, u32 mask)
3883 {
3884 	int err = 0;
3885 	int pr = 0;
3886 	int i = 0;
3887 	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3888 	unsigned int tcount = desc->suite.drbg.count;
3889 
3890 	if (0 == memcmp(driver, "drbg_pr_", 8))
3891 		pr = 1;
3892 
3893 	for (i = 0; i < tcount; i++) {
3894 		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3895 		if (err) {
3896 			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3897 			       i, driver);
3898 			err = -EINVAL;
3899 			break;
3900 		}
3901 	}
3902 	return err;
3903 
3904 }
3905 
3906 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3907 		       const char *alg)
3908 {
3909 	struct kpp_request *req;
3910 	void *input_buf = NULL;
3911 	void *output_buf = NULL;
3912 	void *a_public = NULL;
3913 	void *a_ss = NULL;
3914 	void *shared_secret = NULL;
3915 	struct crypto_wait wait;
3916 	unsigned int out_len_max;
3917 	int err = -ENOMEM;
3918 	struct scatterlist src, dst;
3919 
3920 	req = kpp_request_alloc(tfm, GFP_KERNEL);
3921 	if (!req)
3922 		return err;
3923 
3924 	crypto_init_wait(&wait);
3925 
3926 	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3927 	if (err < 0)
3928 		goto free_req;
3929 
3930 	out_len_max = crypto_kpp_maxsize(tfm);
3931 	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3932 	if (!output_buf) {
3933 		err = -ENOMEM;
3934 		goto free_req;
3935 	}
3936 
3937 	/* Use appropriate parameter as base */
3938 	kpp_request_set_input(req, NULL, 0);
3939 	sg_init_one(&dst, output_buf, out_len_max);
3940 	kpp_request_set_output(req, &dst, out_len_max);
3941 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3942 				 crypto_req_done, &wait);
3943 
3944 	/* Compute party A's public key */
3945 	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3946 	if (err) {
3947 		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3948 		       alg, err);
3949 		goto free_output;
3950 	}
3951 
3952 	if (vec->genkey) {
3953 		/* Save party A's public key */
3954 		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3955 		if (!a_public) {
3956 			err = -ENOMEM;
3957 			goto free_output;
3958 		}
3959 	} else {
3960 		/* Verify calculated public key */
3961 		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3962 			   vec->expected_a_public_size)) {
3963 			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3964 			       alg);
3965 			err = -EINVAL;
3966 			goto free_output;
3967 		}
3968 	}
3969 
3970 	/* Calculate shared secret key by using counter part (b) public key. */
3971 	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3972 	if (!input_buf) {
3973 		err = -ENOMEM;
3974 		goto free_output;
3975 	}
3976 
3977 	sg_init_one(&src, input_buf, vec->b_public_size);
3978 	sg_init_one(&dst, output_buf, out_len_max);
3979 	kpp_request_set_input(req, &src, vec->b_public_size);
3980 	kpp_request_set_output(req, &dst, out_len_max);
3981 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3982 				 crypto_req_done, &wait);
3983 	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3984 	if (err) {
3985 		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3986 		       alg, err);
3987 		goto free_all;
3988 	}
3989 
3990 	if (vec->genkey) {
3991 		/* Save the shared secret obtained by party A */
3992 		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3993 		if (!a_ss) {
3994 			err = -ENOMEM;
3995 			goto free_all;
3996 		}
3997 
3998 		/*
3999 		 * Calculate party B's shared secret by using party A's
4000 		 * public key.
4001 		 */
4002 		err = crypto_kpp_set_secret(tfm, vec->b_secret,
4003 					    vec->b_secret_size);
4004 		if (err < 0)
4005 			goto free_all;
4006 
4007 		sg_init_one(&src, a_public, vec->expected_a_public_size);
4008 		sg_init_one(&dst, output_buf, out_len_max);
4009 		kpp_request_set_input(req, &src, vec->expected_a_public_size);
4010 		kpp_request_set_output(req, &dst, out_len_max);
4011 		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4012 					 crypto_req_done, &wait);
4013 		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
4014 				      &wait);
4015 		if (err) {
4016 			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
4017 			       alg, err);
4018 			goto free_all;
4019 		}
4020 
4021 		shared_secret = a_ss;
4022 	} else {
4023 		shared_secret = (void *)vec->expected_ss;
4024 	}
4025 
4026 	/*
4027 	 * verify shared secret from which the user will derive
4028 	 * secret key by executing whatever hash it has chosen
4029 	 */
4030 	if (memcmp(shared_secret, sg_virt(req->dst),
4031 		   vec->expected_ss_size)) {
4032 		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4033 		       alg);
4034 		err = -EINVAL;
4035 	}
4036 
4037 free_all:
4038 	kfree(a_ss);
4039 	kfree(input_buf);
4040 free_output:
4041 	kfree(a_public);
4042 	kfree(output_buf);
4043 free_req:
4044 	kpp_request_free(req);
4045 	return err;
4046 }
4047 
4048 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4049 		    const struct kpp_testvec *vecs, unsigned int tcount)
4050 {
4051 	int ret, i;
4052 
4053 	for (i = 0; i < tcount; i++) {
4054 		ret = do_test_kpp(tfm, vecs++, alg);
4055 		if (ret) {
4056 			pr_err("alg: %s: test failed on vector %d, err=%d\n",
4057 			       alg, i + 1, ret);
4058 			return ret;
4059 		}
4060 	}
4061 	return 0;
4062 }
4063 
4064 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4065 			u32 type, u32 mask)
4066 {
4067 	struct crypto_kpp *tfm;
4068 	int err = 0;
4069 
4070 	tfm = crypto_alloc_kpp(driver, type, mask);
4071 	if (IS_ERR(tfm)) {
4072 		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4073 		       driver, PTR_ERR(tfm));
4074 		return PTR_ERR(tfm);
4075 	}
4076 	if (desc->suite.kpp.vecs)
4077 		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4078 			       desc->suite.kpp.count);
4079 
4080 	crypto_free_kpp(tfm);
4081 	return err;
4082 }
4083 
4084 static u8 *test_pack_u32(u8 *dst, u32 val)
4085 {
4086 	memcpy(dst, &val, sizeof(val));
4087 	return dst + sizeof(val);
4088 }
4089 
4090 static int test_akcipher_one(struct crypto_akcipher *tfm,
4091 			     const struct akcipher_testvec *vecs)
4092 {
4093 	char *xbuf[XBUFSIZE];
4094 	struct akcipher_request *req;
4095 	void *outbuf_enc = NULL;
4096 	void *outbuf_dec = NULL;
4097 	struct crypto_wait wait;
4098 	unsigned int out_len_max, out_len = 0;
4099 	int err = -ENOMEM;
4100 	struct scatterlist src, dst, src_tab[3];
4101 	const char *m, *c;
4102 	unsigned int m_size, c_size;
4103 	const char *op;
4104 	u8 *key, *ptr;
4105 
4106 	if (testmgr_alloc_buf(xbuf))
4107 		return err;
4108 
4109 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
4110 	if (!req)
4111 		goto free_xbuf;
4112 
4113 	crypto_init_wait(&wait);
4114 
4115 	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4116 		      GFP_KERNEL);
4117 	if (!key)
4118 		goto free_req;
4119 	memcpy(key, vecs->key, vecs->key_len);
4120 	ptr = key + vecs->key_len;
4121 	ptr = test_pack_u32(ptr, vecs->algo);
4122 	ptr = test_pack_u32(ptr, vecs->param_len);
4123 	memcpy(ptr, vecs->params, vecs->param_len);
4124 
4125 	if (vecs->public_key_vec)
4126 		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4127 	else
4128 		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4129 	if (err)
4130 		goto free_key;
4131 
4132 	/*
4133 	 * First run test which do not require a private key, such as
4134 	 * encrypt or verify.
4135 	 */
4136 	err = -ENOMEM;
4137 	out_len_max = crypto_akcipher_maxsize(tfm);
4138 	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4139 	if (!outbuf_enc)
4140 		goto free_key;
4141 
4142 	if (!vecs->siggen_sigver_test) {
4143 		m = vecs->m;
4144 		m_size = vecs->m_size;
4145 		c = vecs->c;
4146 		c_size = vecs->c_size;
4147 		op = "encrypt";
4148 	} else {
4149 		/* Swap args so we could keep plaintext (digest)
4150 		 * in vecs->m, and cooked signature in vecs->c.
4151 		 */
4152 		m = vecs->c; /* signature */
4153 		m_size = vecs->c_size;
4154 		c = vecs->m; /* digest */
4155 		c_size = vecs->m_size;
4156 		op = "verify";
4157 	}
4158 
4159 	err = -E2BIG;
4160 	if (WARN_ON(m_size > PAGE_SIZE))
4161 		goto free_all;
4162 	memcpy(xbuf[0], m, m_size);
4163 
4164 	sg_init_table(src_tab, 3);
4165 	sg_set_buf(&src_tab[0], xbuf[0], 8);
4166 	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4167 	if (vecs->siggen_sigver_test) {
4168 		if (WARN_ON(c_size > PAGE_SIZE))
4169 			goto free_all;
4170 		memcpy(xbuf[1], c, c_size);
4171 		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4172 		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4173 	} else {
4174 		sg_init_one(&dst, outbuf_enc, out_len_max);
4175 		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4176 					   out_len_max);
4177 	}
4178 	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4179 				      crypto_req_done, &wait);
4180 
4181 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4182 			      /* Run asymmetric signature verification */
4183 			      crypto_akcipher_verify(req) :
4184 			      /* Run asymmetric encrypt */
4185 			      crypto_akcipher_encrypt(req), &wait);
4186 	if (err) {
4187 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4188 		goto free_all;
4189 	}
4190 	if (!vecs->siggen_sigver_test && c) {
4191 		if (req->dst_len != c_size) {
4192 			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4193 			       op);
4194 			err = -EINVAL;
4195 			goto free_all;
4196 		}
4197 		/* verify that encrypted message is equal to expected */
4198 		if (memcmp(c, outbuf_enc, c_size) != 0) {
4199 			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4200 			       op);
4201 			hexdump(outbuf_enc, c_size);
4202 			err = -EINVAL;
4203 			goto free_all;
4204 		}
4205 	}
4206 
4207 	/*
4208 	 * Don't invoke (decrypt or sign) test which require a private key
4209 	 * for vectors with only a public key.
4210 	 */
4211 	if (vecs->public_key_vec) {
4212 		err = 0;
4213 		goto free_all;
4214 	}
4215 	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4216 	if (!outbuf_dec) {
4217 		err = -ENOMEM;
4218 		goto free_all;
4219 	}
4220 
4221 	if (!vecs->siggen_sigver_test && !c) {
4222 		c = outbuf_enc;
4223 		c_size = req->dst_len;
4224 	}
4225 
4226 	err = -E2BIG;
4227 	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4228 	if (WARN_ON(c_size > PAGE_SIZE))
4229 		goto free_all;
4230 	memcpy(xbuf[0], c, c_size);
4231 
4232 	sg_init_one(&src, xbuf[0], c_size);
4233 	sg_init_one(&dst, outbuf_dec, out_len_max);
4234 	crypto_init_wait(&wait);
4235 	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4236 
4237 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4238 			      /* Run asymmetric signature generation */
4239 			      crypto_akcipher_sign(req) :
4240 			      /* Run asymmetric decrypt */
4241 			      crypto_akcipher_decrypt(req), &wait);
4242 	if (err) {
4243 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4244 		goto free_all;
4245 	}
4246 	out_len = req->dst_len;
4247 	if (out_len < m_size) {
4248 		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4249 		       op, out_len);
4250 		err = -EINVAL;
4251 		goto free_all;
4252 	}
4253 	/* verify that decrypted message is equal to the original msg */
4254 	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4255 	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4256 		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4257 		hexdump(outbuf_dec, out_len);
4258 		err = -EINVAL;
4259 	}
4260 free_all:
4261 	kfree(outbuf_dec);
4262 	kfree(outbuf_enc);
4263 free_key:
4264 	kfree(key);
4265 free_req:
4266 	akcipher_request_free(req);
4267 free_xbuf:
4268 	testmgr_free_buf(xbuf);
4269 	return err;
4270 }
4271 
4272 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4273 			 const struct akcipher_testvec *vecs,
4274 			 unsigned int tcount)
4275 {
4276 	const char *algo =
4277 		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4278 	int ret, i;
4279 
4280 	for (i = 0; i < tcount; i++) {
4281 		ret = test_akcipher_one(tfm, vecs++);
4282 		if (!ret)
4283 			continue;
4284 
4285 		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4286 		       i + 1, algo, ret);
4287 		return ret;
4288 	}
4289 	return 0;
4290 }
4291 
4292 static int alg_test_akcipher(const struct alg_test_desc *desc,
4293 			     const char *driver, u32 type, u32 mask)
4294 {
4295 	struct crypto_akcipher *tfm;
4296 	int err = 0;
4297 
4298 	tfm = crypto_alloc_akcipher(driver, type, mask);
4299 	if (IS_ERR(tfm)) {
4300 		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4301 		       driver, PTR_ERR(tfm));
4302 		return PTR_ERR(tfm);
4303 	}
4304 	if (desc->suite.akcipher.vecs)
4305 		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4306 				    desc->suite.akcipher.count);
4307 
4308 	crypto_free_akcipher(tfm);
4309 	return err;
4310 }
4311 
4312 static int alg_test_null(const struct alg_test_desc *desc,
4313 			     const char *driver, u32 type, u32 mask)
4314 {
4315 	return 0;
4316 }
4317 
4318 #define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4319 #define __VECS(tv)	{ ____VECS(tv) }
4320 
4321 /* Please keep this list sorted by algorithm name. */
4322 static const struct alg_test_desc alg_test_descs[] = {
4323 	{
4324 		.alg = "adiantum(xchacha12,aes)",
4325 		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4326 		.test = alg_test_skcipher,
4327 		.suite = {
4328 			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4329 		},
4330 	}, {
4331 		.alg = "adiantum(xchacha20,aes)",
4332 		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4333 		.test = alg_test_skcipher,
4334 		.suite = {
4335 			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4336 		},
4337 	}, {
4338 		.alg = "aegis128",
4339 		.test = alg_test_aead,
4340 		.suite = {
4341 			.aead = __VECS(aegis128_tv_template)
4342 		}
4343 	}, {
4344 		.alg = "ansi_cprng",
4345 		.test = alg_test_cprng,
4346 		.suite = {
4347 			.cprng = __VECS(ansi_cprng_aes_tv_template)
4348 		}
4349 	}, {
4350 		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4351 		.test = alg_test_aead,
4352 		.suite = {
4353 			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4354 		}
4355 	}, {
4356 		.alg = "authenc(hmac(sha1),cbc(aes))",
4357 		.test = alg_test_aead,
4358 		.fips_allowed = 1,
4359 		.suite = {
4360 			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4361 		}
4362 	}, {
4363 		.alg = "authenc(hmac(sha1),cbc(des))",
4364 		.test = alg_test_aead,
4365 		.suite = {
4366 			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4367 		}
4368 	}, {
4369 		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4370 		.test = alg_test_aead,
4371 		.suite = {
4372 			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4373 		}
4374 	}, {
4375 		.alg = "authenc(hmac(sha1),ctr(aes))",
4376 		.test = alg_test_null,
4377 		.fips_allowed = 1,
4378 	}, {
4379 		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4380 		.test = alg_test_aead,
4381 		.suite = {
4382 			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4383 		}
4384 	}, {
4385 		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4386 		.test = alg_test_null,
4387 		.fips_allowed = 1,
4388 	}, {
4389 		.alg = "authenc(hmac(sha224),cbc(des))",
4390 		.test = alg_test_aead,
4391 		.suite = {
4392 			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4393 		}
4394 	}, {
4395 		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4396 		.test = alg_test_aead,
4397 		.suite = {
4398 			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4399 		}
4400 	}, {
4401 		.alg = "authenc(hmac(sha256),cbc(aes))",
4402 		.test = alg_test_aead,
4403 		.fips_allowed = 1,
4404 		.suite = {
4405 			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4406 		}
4407 	}, {
4408 		.alg = "authenc(hmac(sha256),cbc(des))",
4409 		.test = alg_test_aead,
4410 		.suite = {
4411 			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4412 		}
4413 	}, {
4414 		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4415 		.test = alg_test_aead,
4416 		.suite = {
4417 			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4418 		}
4419 	}, {
4420 		.alg = "authenc(hmac(sha256),ctr(aes))",
4421 		.test = alg_test_null,
4422 		.fips_allowed = 1,
4423 	}, {
4424 		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4425 		.test = alg_test_null,
4426 		.fips_allowed = 1,
4427 	}, {
4428 		.alg = "authenc(hmac(sha384),cbc(des))",
4429 		.test = alg_test_aead,
4430 		.suite = {
4431 			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4432 		}
4433 	}, {
4434 		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4435 		.test = alg_test_aead,
4436 		.suite = {
4437 			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4438 		}
4439 	}, {
4440 		.alg = "authenc(hmac(sha384),ctr(aes))",
4441 		.test = alg_test_null,
4442 		.fips_allowed = 1,
4443 	}, {
4444 		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4445 		.test = alg_test_null,
4446 		.fips_allowed = 1,
4447 	}, {
4448 		.alg = "authenc(hmac(sha512),cbc(aes))",
4449 		.fips_allowed = 1,
4450 		.test = alg_test_aead,
4451 		.suite = {
4452 			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4453 		}
4454 	}, {
4455 		.alg = "authenc(hmac(sha512),cbc(des))",
4456 		.test = alg_test_aead,
4457 		.suite = {
4458 			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4459 		}
4460 	}, {
4461 		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4462 		.test = alg_test_aead,
4463 		.suite = {
4464 			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4465 		}
4466 	}, {
4467 		.alg = "authenc(hmac(sha512),ctr(aes))",
4468 		.test = alg_test_null,
4469 		.fips_allowed = 1,
4470 	}, {
4471 		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4472 		.test = alg_test_null,
4473 		.fips_allowed = 1,
4474 	}, {
4475 		.alg = "blake2b-160",
4476 		.test = alg_test_hash,
4477 		.fips_allowed = 0,
4478 		.suite = {
4479 			.hash = __VECS(blake2b_160_tv_template)
4480 		}
4481 	}, {
4482 		.alg = "blake2b-256",
4483 		.test = alg_test_hash,
4484 		.fips_allowed = 0,
4485 		.suite = {
4486 			.hash = __VECS(blake2b_256_tv_template)
4487 		}
4488 	}, {
4489 		.alg = "blake2b-384",
4490 		.test = alg_test_hash,
4491 		.fips_allowed = 0,
4492 		.suite = {
4493 			.hash = __VECS(blake2b_384_tv_template)
4494 		}
4495 	}, {
4496 		.alg = "blake2b-512",
4497 		.test = alg_test_hash,
4498 		.fips_allowed = 0,
4499 		.suite = {
4500 			.hash = __VECS(blake2b_512_tv_template)
4501 		}
4502 	}, {
4503 		.alg = "cbc(aes)",
4504 		.test = alg_test_skcipher,
4505 		.fips_allowed = 1,
4506 		.suite = {
4507 			.cipher = __VECS(aes_cbc_tv_template)
4508 		},
4509 	}, {
4510 		.alg = "cbc(anubis)",
4511 		.test = alg_test_skcipher,
4512 		.suite = {
4513 			.cipher = __VECS(anubis_cbc_tv_template)
4514 		},
4515 	}, {
4516 		.alg = "cbc(aria)",
4517 		.test = alg_test_skcipher,
4518 		.suite = {
4519 			.cipher = __VECS(aria_cbc_tv_template)
4520 		},
4521 	}, {
4522 		.alg = "cbc(blowfish)",
4523 		.test = alg_test_skcipher,
4524 		.suite = {
4525 			.cipher = __VECS(bf_cbc_tv_template)
4526 		},
4527 	}, {
4528 		.alg = "cbc(camellia)",
4529 		.test = alg_test_skcipher,
4530 		.suite = {
4531 			.cipher = __VECS(camellia_cbc_tv_template)
4532 		},
4533 	}, {
4534 		.alg = "cbc(cast5)",
4535 		.test = alg_test_skcipher,
4536 		.suite = {
4537 			.cipher = __VECS(cast5_cbc_tv_template)
4538 		},
4539 	}, {
4540 		.alg = "cbc(cast6)",
4541 		.test = alg_test_skcipher,
4542 		.suite = {
4543 			.cipher = __VECS(cast6_cbc_tv_template)
4544 		},
4545 	}, {
4546 		.alg = "cbc(des)",
4547 		.test = alg_test_skcipher,
4548 		.suite = {
4549 			.cipher = __VECS(des_cbc_tv_template)
4550 		},
4551 	}, {
4552 		.alg = "cbc(des3_ede)",
4553 		.test = alg_test_skcipher,
4554 		.suite = {
4555 			.cipher = __VECS(des3_ede_cbc_tv_template)
4556 		},
4557 	}, {
4558 		/* Same as cbc(aes) except the key is stored in
4559 		 * hardware secure memory which we reference by index
4560 		 */
4561 		.alg = "cbc(paes)",
4562 		.test = alg_test_null,
4563 		.fips_allowed = 1,
4564 	}, {
4565 		/* Same as cbc(sm4) except the key is stored in
4566 		 * hardware secure memory which we reference by index
4567 		 */
4568 		.alg = "cbc(psm4)",
4569 		.test = alg_test_null,
4570 	}, {
4571 		.alg = "cbc(serpent)",
4572 		.test = alg_test_skcipher,
4573 		.suite = {
4574 			.cipher = __VECS(serpent_cbc_tv_template)
4575 		},
4576 	}, {
4577 		.alg = "cbc(sm4)",
4578 		.test = alg_test_skcipher,
4579 		.suite = {
4580 			.cipher = __VECS(sm4_cbc_tv_template)
4581 		}
4582 	}, {
4583 		.alg = "cbc(twofish)",
4584 		.test = alg_test_skcipher,
4585 		.suite = {
4586 			.cipher = __VECS(tf_cbc_tv_template)
4587 		},
4588 	}, {
4589 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4590 		.alg = "cbc-paes-s390",
4591 		.fips_allowed = 1,
4592 		.test = alg_test_skcipher,
4593 		.suite = {
4594 			.cipher = __VECS(aes_cbc_tv_template)
4595 		}
4596 	}, {
4597 #endif
4598 		.alg = "cbcmac(aes)",
4599 		.test = alg_test_hash,
4600 		.suite = {
4601 			.hash = __VECS(aes_cbcmac_tv_template)
4602 		}
4603 	}, {
4604 		.alg = "cbcmac(sm4)",
4605 		.test = alg_test_hash,
4606 		.suite = {
4607 			.hash = __VECS(sm4_cbcmac_tv_template)
4608 		}
4609 	}, {
4610 		.alg = "ccm(aes)",
4611 		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4612 		.test = alg_test_aead,
4613 		.fips_allowed = 1,
4614 		.suite = {
4615 			.aead = {
4616 				____VECS(aes_ccm_tv_template),
4617 				.einval_allowed = 1,
4618 			}
4619 		}
4620 	}, {
4621 		.alg = "ccm(sm4)",
4622 		.generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4623 		.test = alg_test_aead,
4624 		.suite = {
4625 			.aead = {
4626 				____VECS(sm4_ccm_tv_template),
4627 				.einval_allowed = 1,
4628 			}
4629 		}
4630 	}, {
4631 		.alg = "chacha20",
4632 		.test = alg_test_skcipher,
4633 		.suite = {
4634 			.cipher = __VECS(chacha20_tv_template)
4635 		},
4636 	}, {
4637 		.alg = "cmac(aes)",
4638 		.fips_allowed = 1,
4639 		.test = alg_test_hash,
4640 		.suite = {
4641 			.hash = __VECS(aes_cmac128_tv_template)
4642 		}
4643 	}, {
4644 		.alg = "cmac(camellia)",
4645 		.test = alg_test_hash,
4646 		.suite = {
4647 			.hash = __VECS(camellia_cmac128_tv_template)
4648 		}
4649 	}, {
4650 		.alg = "cmac(des3_ede)",
4651 		.test = alg_test_hash,
4652 		.suite = {
4653 			.hash = __VECS(des3_ede_cmac64_tv_template)
4654 		}
4655 	}, {
4656 		.alg = "cmac(sm4)",
4657 		.test = alg_test_hash,
4658 		.suite = {
4659 			.hash = __VECS(sm4_cmac128_tv_template)
4660 		}
4661 	}, {
4662 		.alg = "compress_null",
4663 		.test = alg_test_null,
4664 	}, {
4665 		.alg = "crc32",
4666 		.test = alg_test_hash,
4667 		.fips_allowed = 1,
4668 		.suite = {
4669 			.hash = __VECS(crc32_tv_template)
4670 		}
4671 	}, {
4672 		.alg = "crc32c",
4673 		.test = alg_test_crc32c,
4674 		.fips_allowed = 1,
4675 		.suite = {
4676 			.hash = __VECS(crc32c_tv_template)
4677 		}
4678 	}, {
4679 		.alg = "crc64-rocksoft",
4680 		.test = alg_test_hash,
4681 		.fips_allowed = 1,
4682 		.suite = {
4683 			.hash = __VECS(crc64_rocksoft_tv_template)
4684 		}
4685 	}, {
4686 		.alg = "crct10dif",
4687 		.test = alg_test_hash,
4688 		.fips_allowed = 1,
4689 		.suite = {
4690 			.hash = __VECS(crct10dif_tv_template)
4691 		}
4692 	}, {
4693 		.alg = "ctr(aes)",
4694 		.test = alg_test_skcipher,
4695 		.fips_allowed = 1,
4696 		.suite = {
4697 			.cipher = __VECS(aes_ctr_tv_template)
4698 		}
4699 	}, {
4700 		.alg = "ctr(aria)",
4701 		.test = alg_test_skcipher,
4702 		.suite = {
4703 			.cipher = __VECS(aria_ctr_tv_template)
4704 		}
4705 	}, {
4706 		.alg = "ctr(blowfish)",
4707 		.test = alg_test_skcipher,
4708 		.suite = {
4709 			.cipher = __VECS(bf_ctr_tv_template)
4710 		}
4711 	}, {
4712 		.alg = "ctr(camellia)",
4713 		.test = alg_test_skcipher,
4714 		.suite = {
4715 			.cipher = __VECS(camellia_ctr_tv_template)
4716 		}
4717 	}, {
4718 		.alg = "ctr(cast5)",
4719 		.test = alg_test_skcipher,
4720 		.suite = {
4721 			.cipher = __VECS(cast5_ctr_tv_template)
4722 		}
4723 	}, {
4724 		.alg = "ctr(cast6)",
4725 		.test = alg_test_skcipher,
4726 		.suite = {
4727 			.cipher = __VECS(cast6_ctr_tv_template)
4728 		}
4729 	}, {
4730 		.alg = "ctr(des)",
4731 		.test = alg_test_skcipher,
4732 		.suite = {
4733 			.cipher = __VECS(des_ctr_tv_template)
4734 		}
4735 	}, {
4736 		.alg = "ctr(des3_ede)",
4737 		.test = alg_test_skcipher,
4738 		.suite = {
4739 			.cipher = __VECS(des3_ede_ctr_tv_template)
4740 		}
4741 	}, {
4742 		/* Same as ctr(aes) except the key is stored in
4743 		 * hardware secure memory which we reference by index
4744 		 */
4745 		.alg = "ctr(paes)",
4746 		.test = alg_test_null,
4747 		.fips_allowed = 1,
4748 	}, {
4749 
4750 		/* Same as ctr(sm4) except the key is stored in
4751 		 * hardware secure memory which we reference by index
4752 		 */
4753 		.alg = "ctr(psm4)",
4754 		.test = alg_test_null,
4755 	}, {
4756 		.alg = "ctr(serpent)",
4757 		.test = alg_test_skcipher,
4758 		.suite = {
4759 			.cipher = __VECS(serpent_ctr_tv_template)
4760 		}
4761 	}, {
4762 		.alg = "ctr(sm4)",
4763 		.test = alg_test_skcipher,
4764 		.suite = {
4765 			.cipher = __VECS(sm4_ctr_tv_template)
4766 		}
4767 	}, {
4768 		.alg = "ctr(twofish)",
4769 		.test = alg_test_skcipher,
4770 		.suite = {
4771 			.cipher = __VECS(tf_ctr_tv_template)
4772 		}
4773 	}, {
4774 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4775 		.alg = "ctr-paes-s390",
4776 		.fips_allowed = 1,
4777 		.test = alg_test_skcipher,
4778 		.suite = {
4779 			.cipher = __VECS(aes_ctr_tv_template)
4780 		}
4781 	}, {
4782 #endif
4783 		.alg = "cts(cbc(aes))",
4784 		.test = alg_test_skcipher,
4785 		.fips_allowed = 1,
4786 		.suite = {
4787 			.cipher = __VECS(cts_mode_tv_template)
4788 		}
4789 	}, {
4790 		/* Same as cts(cbc((aes)) except the key is stored in
4791 		 * hardware secure memory which we reference by index
4792 		 */
4793 		.alg = "cts(cbc(paes))",
4794 		.test = alg_test_null,
4795 		.fips_allowed = 1,
4796 	}, {
4797 		.alg = "cts(cbc(sm4))",
4798 		.test = alg_test_skcipher,
4799 		.suite = {
4800 			.cipher = __VECS(sm4_cts_tv_template)
4801 		}
4802 	}, {
4803 		.alg = "curve25519",
4804 		.test = alg_test_kpp,
4805 		.suite = {
4806 			.kpp = __VECS(curve25519_tv_template)
4807 		}
4808 	}, {
4809 		.alg = "deflate",
4810 		.test = alg_test_comp,
4811 		.fips_allowed = 1,
4812 		.suite = {
4813 			.comp = {
4814 				.comp = __VECS(deflate_comp_tv_template),
4815 				.decomp = __VECS(deflate_decomp_tv_template)
4816 			}
4817 		}
4818 	}, {
4819 		.alg = "deflate-iaa",
4820 		.test = alg_test_comp,
4821 		.fips_allowed = 1,
4822 		.suite = {
4823 			.comp = {
4824 				.comp = __VECS(deflate_comp_tv_template),
4825 				.decomp = __VECS(deflate_decomp_tv_template)
4826 			}
4827 		}
4828 	}, {
4829 		.alg = "dh",
4830 		.test = alg_test_kpp,
4831 		.suite = {
4832 			.kpp = __VECS(dh_tv_template)
4833 		}
4834 	}, {
4835 		.alg = "digest_null",
4836 		.test = alg_test_null,
4837 	}, {
4838 		.alg = "drbg_nopr_ctr_aes128",
4839 		.test = alg_test_drbg,
4840 		.fips_allowed = 1,
4841 		.suite = {
4842 			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4843 		}
4844 	}, {
4845 		.alg = "drbg_nopr_ctr_aes192",
4846 		.test = alg_test_drbg,
4847 		.fips_allowed = 1,
4848 		.suite = {
4849 			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4850 		}
4851 	}, {
4852 		.alg = "drbg_nopr_ctr_aes256",
4853 		.test = alg_test_drbg,
4854 		.fips_allowed = 1,
4855 		.suite = {
4856 			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4857 		}
4858 	}, {
4859 		.alg = "drbg_nopr_hmac_sha256",
4860 		.test = alg_test_drbg,
4861 		.fips_allowed = 1,
4862 		.suite = {
4863 			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4864 		}
4865 	}, {
4866 		/*
4867 		 * There is no need to specifically test the DRBG with every
4868 		 * backend cipher -- covered by drbg_nopr_hmac_sha512 test
4869 		 */
4870 		.alg = "drbg_nopr_hmac_sha384",
4871 		.test = alg_test_null,
4872 	}, {
4873 		.alg = "drbg_nopr_hmac_sha512",
4874 		.test = alg_test_drbg,
4875 		.fips_allowed = 1,
4876 		.suite = {
4877 			.drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4878 		}
4879 	}, {
4880 		.alg = "drbg_nopr_sha256",
4881 		.test = alg_test_drbg,
4882 		.fips_allowed = 1,
4883 		.suite = {
4884 			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4885 		}
4886 	}, {
4887 		/* covered by drbg_nopr_sha256 test */
4888 		.alg = "drbg_nopr_sha384",
4889 		.test = alg_test_null,
4890 	}, {
4891 		.alg = "drbg_nopr_sha512",
4892 		.fips_allowed = 1,
4893 		.test = alg_test_null,
4894 	}, {
4895 		.alg = "drbg_pr_ctr_aes128",
4896 		.test = alg_test_drbg,
4897 		.fips_allowed = 1,
4898 		.suite = {
4899 			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4900 		}
4901 	}, {
4902 		/* covered by drbg_pr_ctr_aes128 test */
4903 		.alg = "drbg_pr_ctr_aes192",
4904 		.fips_allowed = 1,
4905 		.test = alg_test_null,
4906 	}, {
4907 		.alg = "drbg_pr_ctr_aes256",
4908 		.fips_allowed = 1,
4909 		.test = alg_test_null,
4910 	}, {
4911 		.alg = "drbg_pr_hmac_sha256",
4912 		.test = alg_test_drbg,
4913 		.fips_allowed = 1,
4914 		.suite = {
4915 			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4916 		}
4917 	}, {
4918 		/* covered by drbg_pr_hmac_sha256 test */
4919 		.alg = "drbg_pr_hmac_sha384",
4920 		.test = alg_test_null,
4921 	}, {
4922 		.alg = "drbg_pr_hmac_sha512",
4923 		.test = alg_test_null,
4924 		.fips_allowed = 1,
4925 	}, {
4926 		.alg = "drbg_pr_sha256",
4927 		.test = alg_test_drbg,
4928 		.fips_allowed = 1,
4929 		.suite = {
4930 			.drbg = __VECS(drbg_pr_sha256_tv_template)
4931 		}
4932 	}, {
4933 		/* covered by drbg_pr_sha256 test */
4934 		.alg = "drbg_pr_sha384",
4935 		.test = alg_test_null,
4936 	}, {
4937 		.alg = "drbg_pr_sha512",
4938 		.fips_allowed = 1,
4939 		.test = alg_test_null,
4940 	}, {
4941 		.alg = "ecb(aes)",
4942 		.test = alg_test_skcipher,
4943 		.fips_allowed = 1,
4944 		.suite = {
4945 			.cipher = __VECS(aes_tv_template)
4946 		}
4947 	}, {
4948 		.alg = "ecb(anubis)",
4949 		.test = alg_test_skcipher,
4950 		.suite = {
4951 			.cipher = __VECS(anubis_tv_template)
4952 		}
4953 	}, {
4954 		.alg = "ecb(arc4)",
4955 		.generic_driver = "arc4-generic",
4956 		.test = alg_test_skcipher,
4957 		.suite = {
4958 			.cipher = __VECS(arc4_tv_template)
4959 		}
4960 	}, {
4961 		.alg = "ecb(aria)",
4962 		.test = alg_test_skcipher,
4963 		.suite = {
4964 			.cipher = __VECS(aria_tv_template)
4965 		}
4966 	}, {
4967 		.alg = "ecb(blowfish)",
4968 		.test = alg_test_skcipher,
4969 		.suite = {
4970 			.cipher = __VECS(bf_tv_template)
4971 		}
4972 	}, {
4973 		.alg = "ecb(camellia)",
4974 		.test = alg_test_skcipher,
4975 		.suite = {
4976 			.cipher = __VECS(camellia_tv_template)
4977 		}
4978 	}, {
4979 		.alg = "ecb(cast5)",
4980 		.test = alg_test_skcipher,
4981 		.suite = {
4982 			.cipher = __VECS(cast5_tv_template)
4983 		}
4984 	}, {
4985 		.alg = "ecb(cast6)",
4986 		.test = alg_test_skcipher,
4987 		.suite = {
4988 			.cipher = __VECS(cast6_tv_template)
4989 		}
4990 	}, {
4991 		.alg = "ecb(cipher_null)",
4992 		.test = alg_test_null,
4993 		.fips_allowed = 1,
4994 	}, {
4995 		.alg = "ecb(des)",
4996 		.test = alg_test_skcipher,
4997 		.suite = {
4998 			.cipher = __VECS(des_tv_template)
4999 		}
5000 	}, {
5001 		.alg = "ecb(des3_ede)",
5002 		.test = alg_test_skcipher,
5003 		.suite = {
5004 			.cipher = __VECS(des3_ede_tv_template)
5005 		}
5006 	}, {
5007 		.alg = "ecb(fcrypt)",
5008 		.test = alg_test_skcipher,
5009 		.suite = {
5010 			.cipher = {
5011 				.vecs = fcrypt_pcbc_tv_template,
5012 				.count = 1
5013 			}
5014 		}
5015 	}, {
5016 		.alg = "ecb(khazad)",
5017 		.test = alg_test_skcipher,
5018 		.suite = {
5019 			.cipher = __VECS(khazad_tv_template)
5020 		}
5021 	}, {
5022 		/* Same as ecb(aes) except the key is stored in
5023 		 * hardware secure memory which we reference by index
5024 		 */
5025 		.alg = "ecb(paes)",
5026 		.test = alg_test_null,
5027 		.fips_allowed = 1,
5028 	}, {
5029 		.alg = "ecb(seed)",
5030 		.test = alg_test_skcipher,
5031 		.suite = {
5032 			.cipher = __VECS(seed_tv_template)
5033 		}
5034 	}, {
5035 		.alg = "ecb(serpent)",
5036 		.test = alg_test_skcipher,
5037 		.suite = {
5038 			.cipher = __VECS(serpent_tv_template)
5039 		}
5040 	}, {
5041 		.alg = "ecb(sm4)",
5042 		.test = alg_test_skcipher,
5043 		.suite = {
5044 			.cipher = __VECS(sm4_tv_template)
5045 		}
5046 	}, {
5047 		.alg = "ecb(tea)",
5048 		.test = alg_test_skcipher,
5049 		.suite = {
5050 			.cipher = __VECS(tea_tv_template)
5051 		}
5052 	}, {
5053 		.alg = "ecb(twofish)",
5054 		.test = alg_test_skcipher,
5055 		.suite = {
5056 			.cipher = __VECS(tf_tv_template)
5057 		}
5058 	}, {
5059 		.alg = "ecb(xeta)",
5060 		.test = alg_test_skcipher,
5061 		.suite = {
5062 			.cipher = __VECS(xeta_tv_template)
5063 		}
5064 	}, {
5065 		.alg = "ecb(xtea)",
5066 		.test = alg_test_skcipher,
5067 		.suite = {
5068 			.cipher = __VECS(xtea_tv_template)
5069 		}
5070 	}, {
5071 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5072 		.alg = "ecb-paes-s390",
5073 		.fips_allowed = 1,
5074 		.test = alg_test_skcipher,
5075 		.suite = {
5076 			.cipher = __VECS(aes_tv_template)
5077 		}
5078 	}, {
5079 #endif
5080 		.alg = "ecdh-nist-p192",
5081 		.test = alg_test_kpp,
5082 		.suite = {
5083 			.kpp = __VECS(ecdh_p192_tv_template)
5084 		}
5085 	}, {
5086 		.alg = "ecdh-nist-p256",
5087 		.test = alg_test_kpp,
5088 		.fips_allowed = 1,
5089 		.suite = {
5090 			.kpp = __VECS(ecdh_p256_tv_template)
5091 		}
5092 	}, {
5093 		.alg = "ecdh-nist-p384",
5094 		.test = alg_test_kpp,
5095 		.fips_allowed = 1,
5096 		.suite = {
5097 			.kpp = __VECS(ecdh_p384_tv_template)
5098 		}
5099 	}, {
5100 		.alg = "ecdsa-nist-p192",
5101 		.test = alg_test_akcipher,
5102 		.suite = {
5103 			.akcipher = __VECS(ecdsa_nist_p192_tv_template)
5104 		}
5105 	}, {
5106 		.alg = "ecdsa-nist-p256",
5107 		.test = alg_test_akcipher,
5108 		.fips_allowed = 1,
5109 		.suite = {
5110 			.akcipher = __VECS(ecdsa_nist_p256_tv_template)
5111 		}
5112 	}, {
5113 		.alg = "ecdsa-nist-p384",
5114 		.test = alg_test_akcipher,
5115 		.fips_allowed = 1,
5116 		.suite = {
5117 			.akcipher = __VECS(ecdsa_nist_p384_tv_template)
5118 		}
5119 	}, {
5120 		.alg = "ecdsa-nist-p521",
5121 		.test = alg_test_akcipher,
5122 		.fips_allowed = 1,
5123 		.suite = {
5124 			.akcipher = __VECS(ecdsa_nist_p521_tv_template)
5125 		}
5126 	}, {
5127 		.alg = "ecrdsa",
5128 		.test = alg_test_akcipher,
5129 		.suite = {
5130 			.akcipher = __VECS(ecrdsa_tv_template)
5131 		}
5132 	}, {
5133 		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5134 		.test = alg_test_aead,
5135 		.fips_allowed = 1,
5136 		.suite = {
5137 			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5138 		}
5139 	}, {
5140 		.alg = "essiv(cbc(aes),sha256)",
5141 		.test = alg_test_skcipher,
5142 		.fips_allowed = 1,
5143 		.suite = {
5144 			.cipher = __VECS(essiv_aes_cbc_tv_template)
5145 		}
5146 	}, {
5147 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5148 		.alg = "ffdhe2048(dh)",
5149 		.test = alg_test_kpp,
5150 		.fips_allowed = 1,
5151 		.suite = {
5152 			.kpp = __VECS(ffdhe2048_dh_tv_template)
5153 		}
5154 	}, {
5155 		.alg = "ffdhe3072(dh)",
5156 		.test = alg_test_kpp,
5157 		.fips_allowed = 1,
5158 		.suite = {
5159 			.kpp = __VECS(ffdhe3072_dh_tv_template)
5160 		}
5161 	}, {
5162 		.alg = "ffdhe4096(dh)",
5163 		.test = alg_test_kpp,
5164 		.fips_allowed = 1,
5165 		.suite = {
5166 			.kpp = __VECS(ffdhe4096_dh_tv_template)
5167 		}
5168 	}, {
5169 		.alg = "ffdhe6144(dh)",
5170 		.test = alg_test_kpp,
5171 		.fips_allowed = 1,
5172 		.suite = {
5173 			.kpp = __VECS(ffdhe6144_dh_tv_template)
5174 		}
5175 	}, {
5176 		.alg = "ffdhe8192(dh)",
5177 		.test = alg_test_kpp,
5178 		.fips_allowed = 1,
5179 		.suite = {
5180 			.kpp = __VECS(ffdhe8192_dh_tv_template)
5181 		}
5182 	}, {
5183 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5184 		.alg = "gcm(aes)",
5185 		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5186 		.test = alg_test_aead,
5187 		.fips_allowed = 1,
5188 		.suite = {
5189 			.aead = __VECS(aes_gcm_tv_template)
5190 		}
5191 	}, {
5192 		.alg = "gcm(aria)",
5193 		.generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5194 		.test = alg_test_aead,
5195 		.suite = {
5196 			.aead = __VECS(aria_gcm_tv_template)
5197 		}
5198 	}, {
5199 		.alg = "gcm(sm4)",
5200 		.generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5201 		.test = alg_test_aead,
5202 		.suite = {
5203 			.aead = __VECS(sm4_gcm_tv_template)
5204 		}
5205 	}, {
5206 		.alg = "ghash",
5207 		.test = alg_test_hash,
5208 		.suite = {
5209 			.hash = __VECS(ghash_tv_template)
5210 		}
5211 	}, {
5212 		.alg = "hctr2(aes)",
5213 		.generic_driver =
5214 		    "hctr2_base(xctr(aes-generic),polyval-generic)",
5215 		.test = alg_test_skcipher,
5216 		.suite = {
5217 			.cipher = __VECS(aes_hctr2_tv_template)
5218 		}
5219 	}, {
5220 		.alg = "hmac(md5)",
5221 		.test = alg_test_hash,
5222 		.suite = {
5223 			.hash = __VECS(hmac_md5_tv_template)
5224 		}
5225 	}, {
5226 		.alg = "hmac(rmd160)",
5227 		.test = alg_test_hash,
5228 		.suite = {
5229 			.hash = __VECS(hmac_rmd160_tv_template)
5230 		}
5231 	}, {
5232 		.alg = "hmac(sha1)",
5233 		.test = alg_test_hash,
5234 		.fips_allowed = 1,
5235 		.suite = {
5236 			.hash = __VECS(hmac_sha1_tv_template)
5237 		}
5238 	}, {
5239 		.alg = "hmac(sha224)",
5240 		.test = alg_test_hash,
5241 		.fips_allowed = 1,
5242 		.suite = {
5243 			.hash = __VECS(hmac_sha224_tv_template)
5244 		}
5245 	}, {
5246 		.alg = "hmac(sha256)",
5247 		.test = alg_test_hash,
5248 		.fips_allowed = 1,
5249 		.suite = {
5250 			.hash = __VECS(hmac_sha256_tv_template)
5251 		}
5252 	}, {
5253 		.alg = "hmac(sha3-224)",
5254 		.test = alg_test_hash,
5255 		.fips_allowed = 1,
5256 		.suite = {
5257 			.hash = __VECS(hmac_sha3_224_tv_template)
5258 		}
5259 	}, {
5260 		.alg = "hmac(sha3-256)",
5261 		.test = alg_test_hash,
5262 		.fips_allowed = 1,
5263 		.suite = {
5264 			.hash = __VECS(hmac_sha3_256_tv_template)
5265 		}
5266 	}, {
5267 		.alg = "hmac(sha3-384)",
5268 		.test = alg_test_hash,
5269 		.fips_allowed = 1,
5270 		.suite = {
5271 			.hash = __VECS(hmac_sha3_384_tv_template)
5272 		}
5273 	}, {
5274 		.alg = "hmac(sha3-512)",
5275 		.test = alg_test_hash,
5276 		.fips_allowed = 1,
5277 		.suite = {
5278 			.hash = __VECS(hmac_sha3_512_tv_template)
5279 		}
5280 	}, {
5281 		.alg = "hmac(sha384)",
5282 		.test = alg_test_hash,
5283 		.fips_allowed = 1,
5284 		.suite = {
5285 			.hash = __VECS(hmac_sha384_tv_template)
5286 		}
5287 	}, {
5288 		.alg = "hmac(sha512)",
5289 		.test = alg_test_hash,
5290 		.fips_allowed = 1,
5291 		.suite = {
5292 			.hash = __VECS(hmac_sha512_tv_template)
5293 		}
5294 	}, {
5295 		.alg = "hmac(sm3)",
5296 		.test = alg_test_hash,
5297 		.suite = {
5298 			.hash = __VECS(hmac_sm3_tv_template)
5299 		}
5300 	}, {
5301 		.alg = "hmac(streebog256)",
5302 		.test = alg_test_hash,
5303 		.suite = {
5304 			.hash = __VECS(hmac_streebog256_tv_template)
5305 		}
5306 	}, {
5307 		.alg = "hmac(streebog512)",
5308 		.test = alg_test_hash,
5309 		.suite = {
5310 			.hash = __VECS(hmac_streebog512_tv_template)
5311 		}
5312 	}, {
5313 		.alg = "jitterentropy_rng",
5314 		.fips_allowed = 1,
5315 		.test = alg_test_null,
5316 	}, {
5317 		.alg = "kw(aes)",
5318 		.test = alg_test_skcipher,
5319 		.fips_allowed = 1,
5320 		.suite = {
5321 			.cipher = __VECS(aes_kw_tv_template)
5322 		}
5323 	}, {
5324 		.alg = "lrw(aes)",
5325 		.generic_driver = "lrw(ecb(aes-generic))",
5326 		.test = alg_test_skcipher,
5327 		.suite = {
5328 			.cipher = __VECS(aes_lrw_tv_template)
5329 		}
5330 	}, {
5331 		.alg = "lrw(camellia)",
5332 		.generic_driver = "lrw(ecb(camellia-generic))",
5333 		.test = alg_test_skcipher,
5334 		.suite = {
5335 			.cipher = __VECS(camellia_lrw_tv_template)
5336 		}
5337 	}, {
5338 		.alg = "lrw(cast6)",
5339 		.generic_driver = "lrw(ecb(cast6-generic))",
5340 		.test = alg_test_skcipher,
5341 		.suite = {
5342 			.cipher = __VECS(cast6_lrw_tv_template)
5343 		}
5344 	}, {
5345 		.alg = "lrw(serpent)",
5346 		.generic_driver = "lrw(ecb(serpent-generic))",
5347 		.test = alg_test_skcipher,
5348 		.suite = {
5349 			.cipher = __VECS(serpent_lrw_tv_template)
5350 		}
5351 	}, {
5352 		.alg = "lrw(twofish)",
5353 		.generic_driver = "lrw(ecb(twofish-generic))",
5354 		.test = alg_test_skcipher,
5355 		.suite = {
5356 			.cipher = __VECS(tf_lrw_tv_template)
5357 		}
5358 	}, {
5359 		.alg = "lz4",
5360 		.test = alg_test_comp,
5361 		.fips_allowed = 1,
5362 		.suite = {
5363 			.comp = {
5364 				.comp = __VECS(lz4_comp_tv_template),
5365 				.decomp = __VECS(lz4_decomp_tv_template)
5366 			}
5367 		}
5368 	}, {
5369 		.alg = "lz4hc",
5370 		.test = alg_test_comp,
5371 		.fips_allowed = 1,
5372 		.suite = {
5373 			.comp = {
5374 				.comp = __VECS(lz4hc_comp_tv_template),
5375 				.decomp = __VECS(lz4hc_decomp_tv_template)
5376 			}
5377 		}
5378 	}, {
5379 		.alg = "lzo",
5380 		.test = alg_test_comp,
5381 		.fips_allowed = 1,
5382 		.suite = {
5383 			.comp = {
5384 				.comp = __VECS(lzo_comp_tv_template),
5385 				.decomp = __VECS(lzo_decomp_tv_template)
5386 			}
5387 		}
5388 	}, {
5389 		.alg = "lzo-rle",
5390 		.test = alg_test_comp,
5391 		.fips_allowed = 1,
5392 		.suite = {
5393 			.comp = {
5394 				.comp = __VECS(lzorle_comp_tv_template),
5395 				.decomp = __VECS(lzorle_decomp_tv_template)
5396 			}
5397 		}
5398 	}, {
5399 		.alg = "md4",
5400 		.test = alg_test_hash,
5401 		.suite = {
5402 			.hash = __VECS(md4_tv_template)
5403 		}
5404 	}, {
5405 		.alg = "md5",
5406 		.test = alg_test_hash,
5407 		.suite = {
5408 			.hash = __VECS(md5_tv_template)
5409 		}
5410 	}, {
5411 		.alg = "michael_mic",
5412 		.test = alg_test_hash,
5413 		.suite = {
5414 			.hash = __VECS(michael_mic_tv_template)
5415 		}
5416 	}, {
5417 		.alg = "nhpoly1305",
5418 		.test = alg_test_hash,
5419 		.suite = {
5420 			.hash = __VECS(nhpoly1305_tv_template)
5421 		}
5422 	}, {
5423 		.alg = "pcbc(fcrypt)",
5424 		.test = alg_test_skcipher,
5425 		.suite = {
5426 			.cipher = __VECS(fcrypt_pcbc_tv_template)
5427 		}
5428 	}, {
5429 		.alg = "pkcs1pad(rsa,sha224)",
5430 		.test = alg_test_null,
5431 		.fips_allowed = 1,
5432 	}, {
5433 		.alg = "pkcs1pad(rsa,sha256)",
5434 		.test = alg_test_akcipher,
5435 		.fips_allowed = 1,
5436 		.suite = {
5437 			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5438 		}
5439 	}, {
5440 		.alg = "pkcs1pad(rsa,sha3-256)",
5441 		.test = alg_test_null,
5442 		.fips_allowed = 1,
5443 	}, {
5444 		.alg = "pkcs1pad(rsa,sha3-384)",
5445 		.test = alg_test_null,
5446 		.fips_allowed = 1,
5447 	}, {
5448 		.alg = "pkcs1pad(rsa,sha3-512)",
5449 		.test = alg_test_null,
5450 		.fips_allowed = 1,
5451 	}, {
5452 		.alg = "pkcs1pad(rsa,sha384)",
5453 		.test = alg_test_null,
5454 		.fips_allowed = 1,
5455 	}, {
5456 		.alg = "pkcs1pad(rsa,sha512)",
5457 		.test = alg_test_null,
5458 		.fips_allowed = 1,
5459 	}, {
5460 		.alg = "poly1305",
5461 		.test = alg_test_hash,
5462 		.suite = {
5463 			.hash = __VECS(poly1305_tv_template)
5464 		}
5465 	}, {
5466 		.alg = "polyval",
5467 		.test = alg_test_hash,
5468 		.suite = {
5469 			.hash = __VECS(polyval_tv_template)
5470 		}
5471 	}, {
5472 		.alg = "rfc3686(ctr(aes))",
5473 		.test = alg_test_skcipher,
5474 		.fips_allowed = 1,
5475 		.suite = {
5476 			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5477 		}
5478 	}, {
5479 		.alg = "rfc3686(ctr(sm4))",
5480 		.test = alg_test_skcipher,
5481 		.suite = {
5482 			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5483 		}
5484 	}, {
5485 		.alg = "rfc4106(gcm(aes))",
5486 		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5487 		.test = alg_test_aead,
5488 		.fips_allowed = 1,
5489 		.suite = {
5490 			.aead = {
5491 				____VECS(aes_gcm_rfc4106_tv_template),
5492 				.einval_allowed = 1,
5493 				.aad_iv = 1,
5494 			}
5495 		}
5496 	}, {
5497 		.alg = "rfc4309(ccm(aes))",
5498 		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5499 		.test = alg_test_aead,
5500 		.fips_allowed = 1,
5501 		.suite = {
5502 			.aead = {
5503 				____VECS(aes_ccm_rfc4309_tv_template),
5504 				.einval_allowed = 1,
5505 				.aad_iv = 1,
5506 			}
5507 		}
5508 	}, {
5509 		.alg = "rfc4543(gcm(aes))",
5510 		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5511 		.test = alg_test_aead,
5512 		.suite = {
5513 			.aead = {
5514 				____VECS(aes_gcm_rfc4543_tv_template),
5515 				.einval_allowed = 1,
5516 				.aad_iv = 1,
5517 			}
5518 		}
5519 	}, {
5520 		.alg = "rfc7539(chacha20,poly1305)",
5521 		.test = alg_test_aead,
5522 		.suite = {
5523 			.aead = __VECS(rfc7539_tv_template)
5524 		}
5525 	}, {
5526 		.alg = "rfc7539esp(chacha20,poly1305)",
5527 		.test = alg_test_aead,
5528 		.suite = {
5529 			.aead = {
5530 				____VECS(rfc7539esp_tv_template),
5531 				.einval_allowed = 1,
5532 				.aad_iv = 1,
5533 			}
5534 		}
5535 	}, {
5536 		.alg = "rmd160",
5537 		.test = alg_test_hash,
5538 		.suite = {
5539 			.hash = __VECS(rmd160_tv_template)
5540 		}
5541 	}, {
5542 		.alg = "rsa",
5543 		.test = alg_test_akcipher,
5544 		.fips_allowed = 1,
5545 		.suite = {
5546 			.akcipher = __VECS(rsa_tv_template)
5547 		}
5548 	}, {
5549 		.alg = "sha1",
5550 		.test = alg_test_hash,
5551 		.fips_allowed = 1,
5552 		.suite = {
5553 			.hash = __VECS(sha1_tv_template)
5554 		}
5555 	}, {
5556 		.alg = "sha224",
5557 		.test = alg_test_hash,
5558 		.fips_allowed = 1,
5559 		.suite = {
5560 			.hash = __VECS(sha224_tv_template)
5561 		}
5562 	}, {
5563 		.alg = "sha256",
5564 		.test = alg_test_hash,
5565 		.fips_allowed = 1,
5566 		.suite = {
5567 			.hash = __VECS(sha256_tv_template)
5568 		}
5569 	}, {
5570 		.alg = "sha3-224",
5571 		.test = alg_test_hash,
5572 		.fips_allowed = 1,
5573 		.suite = {
5574 			.hash = __VECS(sha3_224_tv_template)
5575 		}
5576 	}, {
5577 		.alg = "sha3-256",
5578 		.test = alg_test_hash,
5579 		.fips_allowed = 1,
5580 		.suite = {
5581 			.hash = __VECS(sha3_256_tv_template)
5582 		}
5583 	}, {
5584 		.alg = "sha3-384",
5585 		.test = alg_test_hash,
5586 		.fips_allowed = 1,
5587 		.suite = {
5588 			.hash = __VECS(sha3_384_tv_template)
5589 		}
5590 	}, {
5591 		.alg = "sha3-512",
5592 		.test = alg_test_hash,
5593 		.fips_allowed = 1,
5594 		.suite = {
5595 			.hash = __VECS(sha3_512_tv_template)
5596 		}
5597 	}, {
5598 		.alg = "sha384",
5599 		.test = alg_test_hash,
5600 		.fips_allowed = 1,
5601 		.suite = {
5602 			.hash = __VECS(sha384_tv_template)
5603 		}
5604 	}, {
5605 		.alg = "sha512",
5606 		.test = alg_test_hash,
5607 		.fips_allowed = 1,
5608 		.suite = {
5609 			.hash = __VECS(sha512_tv_template)
5610 		}
5611 	}, {
5612 		.alg = "sm3",
5613 		.test = alg_test_hash,
5614 		.suite = {
5615 			.hash = __VECS(sm3_tv_template)
5616 		}
5617 	}, {
5618 		.alg = "streebog256",
5619 		.test = alg_test_hash,
5620 		.suite = {
5621 			.hash = __VECS(streebog256_tv_template)
5622 		}
5623 	}, {
5624 		.alg = "streebog512",
5625 		.test = alg_test_hash,
5626 		.suite = {
5627 			.hash = __VECS(streebog512_tv_template)
5628 		}
5629 	}, {
5630 		.alg = "vmac64(aes)",
5631 		.test = alg_test_hash,
5632 		.suite = {
5633 			.hash = __VECS(vmac64_aes_tv_template)
5634 		}
5635 	}, {
5636 		.alg = "wp256",
5637 		.test = alg_test_hash,
5638 		.suite = {
5639 			.hash = __VECS(wp256_tv_template)
5640 		}
5641 	}, {
5642 		.alg = "wp384",
5643 		.test = alg_test_hash,
5644 		.suite = {
5645 			.hash = __VECS(wp384_tv_template)
5646 		}
5647 	}, {
5648 		.alg = "wp512",
5649 		.test = alg_test_hash,
5650 		.suite = {
5651 			.hash = __VECS(wp512_tv_template)
5652 		}
5653 	}, {
5654 		.alg = "xcbc(aes)",
5655 		.test = alg_test_hash,
5656 		.suite = {
5657 			.hash = __VECS(aes_xcbc128_tv_template)
5658 		}
5659 	}, {
5660 		.alg = "xcbc(sm4)",
5661 		.test = alg_test_hash,
5662 		.suite = {
5663 			.hash = __VECS(sm4_xcbc128_tv_template)
5664 		}
5665 	}, {
5666 		.alg = "xchacha12",
5667 		.test = alg_test_skcipher,
5668 		.suite = {
5669 			.cipher = __VECS(xchacha12_tv_template)
5670 		},
5671 	}, {
5672 		.alg = "xchacha20",
5673 		.test = alg_test_skcipher,
5674 		.suite = {
5675 			.cipher = __VECS(xchacha20_tv_template)
5676 		},
5677 	}, {
5678 		.alg = "xctr(aes)",
5679 		.test = alg_test_skcipher,
5680 		.suite = {
5681 			.cipher = __VECS(aes_xctr_tv_template)
5682 		}
5683 	}, {
5684 		.alg = "xts(aes)",
5685 		.generic_driver = "xts(ecb(aes-generic))",
5686 		.test = alg_test_skcipher,
5687 		.fips_allowed = 1,
5688 		.suite = {
5689 			.cipher = __VECS(aes_xts_tv_template)
5690 		}
5691 	}, {
5692 		.alg = "xts(camellia)",
5693 		.generic_driver = "xts(ecb(camellia-generic))",
5694 		.test = alg_test_skcipher,
5695 		.suite = {
5696 			.cipher = __VECS(camellia_xts_tv_template)
5697 		}
5698 	}, {
5699 		.alg = "xts(cast6)",
5700 		.generic_driver = "xts(ecb(cast6-generic))",
5701 		.test = alg_test_skcipher,
5702 		.suite = {
5703 			.cipher = __VECS(cast6_xts_tv_template)
5704 		}
5705 	}, {
5706 		/* Same as xts(aes) except the key is stored in
5707 		 * hardware secure memory which we reference by index
5708 		 */
5709 		.alg = "xts(paes)",
5710 		.test = alg_test_null,
5711 		.fips_allowed = 1,
5712 	}, {
5713 		.alg = "xts(serpent)",
5714 		.generic_driver = "xts(ecb(serpent-generic))",
5715 		.test = alg_test_skcipher,
5716 		.suite = {
5717 			.cipher = __VECS(serpent_xts_tv_template)
5718 		}
5719 	}, {
5720 		.alg = "xts(sm4)",
5721 		.generic_driver = "xts(ecb(sm4-generic))",
5722 		.test = alg_test_skcipher,
5723 		.suite = {
5724 			.cipher = __VECS(sm4_xts_tv_template)
5725 		}
5726 	}, {
5727 		.alg = "xts(twofish)",
5728 		.generic_driver = "xts(ecb(twofish-generic))",
5729 		.test = alg_test_skcipher,
5730 		.suite = {
5731 			.cipher = __VECS(tf_xts_tv_template)
5732 		}
5733 	}, {
5734 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5735 		.alg = "xts-paes-s390",
5736 		.fips_allowed = 1,
5737 		.test = alg_test_skcipher,
5738 		.suite = {
5739 			.cipher = __VECS(aes_xts_tv_template)
5740 		}
5741 	}, {
5742 #endif
5743 		.alg = "xxhash64",
5744 		.test = alg_test_hash,
5745 		.fips_allowed = 1,
5746 		.suite = {
5747 			.hash = __VECS(xxhash64_tv_template)
5748 		}
5749 	}, {
5750 		.alg = "zstd",
5751 		.test = alg_test_comp,
5752 		.fips_allowed = 1,
5753 		.suite = {
5754 			.comp = {
5755 				.comp = __VECS(zstd_comp_tv_template),
5756 				.decomp = __VECS(zstd_decomp_tv_template)
5757 			}
5758 		}
5759 	}
5760 };
5761 
5762 static void alg_check_test_descs_order(void)
5763 {
5764 	int i;
5765 
5766 	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5767 		int diff = strcmp(alg_test_descs[i - 1].alg,
5768 				  alg_test_descs[i].alg);
5769 
5770 		if (WARN_ON(diff > 0)) {
5771 			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5772 				alg_test_descs[i - 1].alg,
5773 				alg_test_descs[i].alg);
5774 		}
5775 
5776 		if (WARN_ON(diff == 0)) {
5777 			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5778 				alg_test_descs[i].alg);
5779 		}
5780 	}
5781 }
5782 
5783 static void alg_check_testvec_configs(void)
5784 {
5785 	int i;
5786 
5787 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5788 		WARN_ON(!valid_testvec_config(
5789 				&default_cipher_testvec_configs[i]));
5790 
5791 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5792 		WARN_ON(!valid_testvec_config(
5793 				&default_hash_testvec_configs[i]));
5794 }
5795 
5796 static void testmgr_onetime_init(void)
5797 {
5798 	alg_check_test_descs_order();
5799 	alg_check_testvec_configs();
5800 
5801 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5802 	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5803 #endif
5804 }
5805 
5806 static int alg_find_test(const char *alg)
5807 {
5808 	int start = 0;
5809 	int end = ARRAY_SIZE(alg_test_descs);
5810 
5811 	while (start < end) {
5812 		int i = (start + end) / 2;
5813 		int diff = strcmp(alg_test_descs[i].alg, alg);
5814 
5815 		if (diff > 0) {
5816 			end = i;
5817 			continue;
5818 		}
5819 
5820 		if (diff < 0) {
5821 			start = i + 1;
5822 			continue;
5823 		}
5824 
5825 		return i;
5826 	}
5827 
5828 	return -1;
5829 }
5830 
5831 static int alg_fips_disabled(const char *driver, const char *alg)
5832 {
5833 	pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5834 
5835 	return -ECANCELED;
5836 }
5837 
5838 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5839 {
5840 	int i;
5841 	int j;
5842 	int rc;
5843 
5844 	if (!fips_enabled && notests) {
5845 		printk_once(KERN_INFO "alg: self-tests disabled\n");
5846 		return 0;
5847 	}
5848 
5849 	DO_ONCE(testmgr_onetime_init);
5850 
5851 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5852 		char nalg[CRYPTO_MAX_ALG_NAME];
5853 
5854 		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5855 		    sizeof(nalg))
5856 			return -ENAMETOOLONG;
5857 
5858 		i = alg_find_test(nalg);
5859 		if (i < 0)
5860 			goto notest;
5861 
5862 		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5863 			goto non_fips_alg;
5864 
5865 		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5866 		goto test_done;
5867 	}
5868 
5869 	i = alg_find_test(alg);
5870 	j = alg_find_test(driver);
5871 	if (i < 0 && j < 0)
5872 		goto notest;
5873 
5874 	if (fips_enabled) {
5875 		if (j >= 0 && !alg_test_descs[j].fips_allowed)
5876 			return -EINVAL;
5877 
5878 		if (i >= 0 && !alg_test_descs[i].fips_allowed)
5879 			goto non_fips_alg;
5880 	}
5881 
5882 	rc = 0;
5883 	if (i >= 0)
5884 		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5885 					     type, mask);
5886 	if (j >= 0 && j != i)
5887 		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5888 					     type, mask);
5889 
5890 test_done:
5891 	if (rc) {
5892 		if (fips_enabled || panic_on_fail) {
5893 			fips_fail_notify();
5894 			panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5895 			      driver, alg,
5896 			      fips_enabled ? "fips" : "panic_on_fail");
5897 		}
5898 		pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5899 			alg, driver, rc);
5900 		WARN(rc != -ENOENT,
5901 		     "alg: self-tests for %s using %s failed (rc=%d)",
5902 		     alg, driver, rc);
5903 	} else {
5904 		if (fips_enabled)
5905 			pr_info("alg: self-tests for %s (%s) passed\n",
5906 				driver, alg);
5907 	}
5908 
5909 	return rc;
5910 
5911 notest:
5912 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) {
5913 		char nalg[CRYPTO_MAX_ALG_NAME];
5914 
5915 		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5916 		    sizeof(nalg))
5917 			goto notest2;
5918 
5919 		i = alg_find_test(nalg);
5920 		if (i < 0)
5921 			goto notest2;
5922 
5923 		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5924 			goto non_fips_alg;
5925 
5926 		rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask);
5927 		goto test_done;
5928 	}
5929 
5930 notest2:
5931 	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5932 
5933 	if (type & CRYPTO_ALG_FIPS_INTERNAL)
5934 		return alg_fips_disabled(driver, alg);
5935 
5936 	return 0;
5937 non_fips_alg:
5938 	return alg_fips_disabled(driver, alg);
5939 }
5940 
5941 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5942 
5943 EXPORT_SYMBOL_GPL(alg_test);
5944