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1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Algorithm testing framework and tests.
4  *
5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7  * Copyright (c) 2007 Nokia Siemens Networks
8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9  * Copyright (c) 2019 Google LLC
10  *
11  * Updated RFC4106 AES-GCM testing.
12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13  *             Adrian Hoban <adrian.hoban@intel.com>
14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
15  *             Tadeusz Struk (tadeusz.struk@intel.com)
16  *    Copyright (c) 2010, Intel Corporation.
17  */
18 
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38 
39 #include "internal.h"
40 
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42 
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46 
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49 
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54 
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 
59 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test);
60 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test);
61 #endif
62 
63 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
64 
65 /* a perfect nop */
alg_test(const char * driver,const char * alg,u32 type,u32 mask)66 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
67 {
68 	return 0;
69 }
70 
71 #else
72 
73 #include "testmgr.h"
74 
75 /*
76  * Need slab memory for testing (size in number of pages).
77  */
78 #define XBUFSIZE	8
79 
80 /*
81 * Used by test_cipher()
82 */
83 #define ENCRYPT 1
84 #define DECRYPT 0
85 
86 struct aead_test_suite {
87 	const struct aead_testvec *vecs;
88 	unsigned int count;
89 
90 	/*
91 	 * Set if trying to decrypt an inauthentic ciphertext with this
92 	 * algorithm might result in EINVAL rather than EBADMSG, due to other
93 	 * validation the algorithm does on the inputs such as length checks.
94 	 */
95 	unsigned int einval_allowed : 1;
96 
97 	/*
98 	 * Set if this algorithm requires that the IV be located at the end of
99 	 * the AAD buffer, in addition to being given in the normal way.  The
100 	 * behavior when the two IV copies differ is implementation-defined.
101 	 */
102 	unsigned int aad_iv : 1;
103 };
104 
105 struct cipher_test_suite {
106 	const struct cipher_testvec *vecs;
107 	unsigned int count;
108 };
109 
110 struct comp_test_suite {
111 	struct {
112 		const struct comp_testvec *vecs;
113 		unsigned int count;
114 	} comp, decomp;
115 };
116 
117 struct hash_test_suite {
118 	const struct hash_testvec *vecs;
119 	unsigned int count;
120 };
121 
122 struct cprng_test_suite {
123 	const struct cprng_testvec *vecs;
124 	unsigned int count;
125 };
126 
127 struct drbg_test_suite {
128 	const struct drbg_testvec *vecs;
129 	unsigned int count;
130 };
131 
132 struct akcipher_test_suite {
133 	const struct akcipher_testvec *vecs;
134 	unsigned int count;
135 };
136 
137 struct kpp_test_suite {
138 	const struct kpp_testvec *vecs;
139 	unsigned int count;
140 };
141 
142 struct alg_test_desc {
143 	const char *alg;
144 	const char *generic_driver;
145 	int (*test)(const struct alg_test_desc *desc, const char *driver,
146 		    u32 type, u32 mask);
147 	int fips_allowed;	/* set if alg is allowed in fips mode */
148 
149 	union {
150 		struct aead_test_suite aead;
151 		struct cipher_test_suite cipher;
152 		struct comp_test_suite comp;
153 		struct hash_test_suite hash;
154 		struct cprng_test_suite cprng;
155 		struct drbg_test_suite drbg;
156 		struct akcipher_test_suite akcipher;
157 		struct kpp_test_suite kpp;
158 	} suite;
159 };
160 
hexdump(unsigned char * buf,unsigned int len)161 static void hexdump(unsigned char *buf, unsigned int len)
162 {
163 	print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
164 			16, 1,
165 			buf, len, false);
166 }
167 
__testmgr_alloc_buf(char * buf[XBUFSIZE],int order)168 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
169 {
170 	int i;
171 
172 	for (i = 0; i < XBUFSIZE; i++) {
173 		buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
174 		if (!buf[i])
175 			goto err_free_buf;
176 	}
177 
178 	return 0;
179 
180 err_free_buf:
181 	while (i-- > 0)
182 		free_pages((unsigned long)buf[i], order);
183 
184 	return -ENOMEM;
185 }
186 
testmgr_alloc_buf(char * buf[XBUFSIZE])187 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
188 {
189 	return __testmgr_alloc_buf(buf, 0);
190 }
191 
__testmgr_free_buf(char * buf[XBUFSIZE],int order)192 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
193 {
194 	int i;
195 
196 	for (i = 0; i < XBUFSIZE; i++)
197 		free_pages((unsigned long)buf[i], order);
198 }
199 
testmgr_free_buf(char * buf[XBUFSIZE])200 static void testmgr_free_buf(char *buf[XBUFSIZE])
201 {
202 	__testmgr_free_buf(buf, 0);
203 }
204 
205 #define TESTMGR_POISON_BYTE	0xfe
206 #define TESTMGR_POISON_LEN	16
207 
testmgr_poison(void * addr,size_t len)208 static inline void testmgr_poison(void *addr, size_t len)
209 {
210 	memset(addr, TESTMGR_POISON_BYTE, len);
211 }
212 
213 /* Is the memory region still fully poisoned? */
testmgr_is_poison(const void * addr,size_t len)214 static inline bool testmgr_is_poison(const void *addr, size_t len)
215 {
216 	return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
217 }
218 
219 /* flush type for hash algorithms */
220 enum flush_type {
221 	/* merge with update of previous buffer(s) */
222 	FLUSH_TYPE_NONE = 0,
223 
224 	/* update with previous buffer(s) before doing this one */
225 	FLUSH_TYPE_FLUSH,
226 
227 	/* likewise, but also export and re-import the intermediate state */
228 	FLUSH_TYPE_REIMPORT,
229 };
230 
231 /* finalization function for hash algorithms */
232 enum finalization_type {
233 	FINALIZATION_TYPE_FINAL,	/* use final() */
234 	FINALIZATION_TYPE_FINUP,	/* use finup() */
235 	FINALIZATION_TYPE_DIGEST,	/* use digest() */
236 };
237 
238 #define TEST_SG_TOTAL	10000
239 
240 /**
241  * struct test_sg_division - description of a scatterlist entry
242  *
243  * This struct describes one entry of a scatterlist being constructed to check a
244  * crypto test vector.
245  *
246  * @proportion_of_total: length of this chunk relative to the total length,
247  *			 given as a proportion out of TEST_SG_TOTAL so that it
248  *			 scales to fit any test vector
249  * @offset: byte offset into a 2-page buffer at which this chunk will start
250  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
251  *				  @offset
252  * @flush_type: for hashes, whether an update() should be done now vs.
253  *		continuing to accumulate data
254  * @nosimd: if doing the pending update(), do it with SIMD disabled?
255  */
256 struct test_sg_division {
257 	unsigned int proportion_of_total;
258 	unsigned int offset;
259 	bool offset_relative_to_alignmask;
260 	enum flush_type flush_type;
261 	bool nosimd;
262 };
263 
264 /**
265  * struct testvec_config - configuration for testing a crypto test vector
266  *
267  * This struct describes the data layout and other parameters with which each
268  * crypto test vector can be tested.
269  *
270  * @name: name of this config, logged for debugging purposes if a test fails
271  * @inplace: operate on the data in-place, if applicable for the algorithm type?
272  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
273  * @src_divs: description of how to arrange the source scatterlist
274  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
275  *	      for the algorithm type.  Defaults to @src_divs if unset.
276  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
277  *	       where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
278  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
279  *				     the @iv_offset
280  * @key_offset: misalignment of the key, where 0 is default alignment
281  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
282  *				      the @key_offset
283  * @finalization_type: what finalization function to use for hashes
284  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
285  */
286 struct testvec_config {
287 	const char *name;
288 	bool inplace;
289 	u32 req_flags;
290 	struct test_sg_division src_divs[XBUFSIZE];
291 	struct test_sg_division dst_divs[XBUFSIZE];
292 	unsigned int iv_offset;
293 	unsigned int key_offset;
294 	bool iv_offset_relative_to_alignmask;
295 	bool key_offset_relative_to_alignmask;
296 	enum finalization_type finalization_type;
297 	bool nosimd;
298 };
299 
300 #define TESTVEC_CONFIG_NAMELEN	192
301 
302 /*
303  * The following are the lists of testvec_configs to test for each algorithm
304  * type when the basic crypto self-tests are enabled, i.e. when
305  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
306  * coverage, while keeping the test time much shorter than the full fuzz tests
307  * so that the basic tests can be enabled in a wider range of circumstances.
308  */
309 
310 /* Configs for skciphers and aeads */
311 static const struct testvec_config default_cipher_testvec_configs[] = {
312 	{
313 		.name = "in-place",
314 		.inplace = true,
315 		.src_divs = { { .proportion_of_total = 10000 } },
316 	}, {
317 		.name = "out-of-place",
318 		.src_divs = { { .proportion_of_total = 10000 } },
319 	}, {
320 		.name = "unaligned buffer, offset=1",
321 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
322 		.iv_offset = 1,
323 		.key_offset = 1,
324 	}, {
325 		.name = "buffer aligned only to alignmask",
326 		.src_divs = {
327 			{
328 				.proportion_of_total = 10000,
329 				.offset = 1,
330 				.offset_relative_to_alignmask = true,
331 			},
332 		},
333 		.iv_offset = 1,
334 		.iv_offset_relative_to_alignmask = true,
335 		.key_offset = 1,
336 		.key_offset_relative_to_alignmask = true,
337 	}, {
338 		.name = "two even aligned splits",
339 		.src_divs = {
340 			{ .proportion_of_total = 5000 },
341 			{ .proportion_of_total = 5000 },
342 		},
343 	}, {
344 		.name = "uneven misaligned splits, may sleep",
345 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
346 		.src_divs = {
347 			{ .proportion_of_total = 1900, .offset = 33 },
348 			{ .proportion_of_total = 3300, .offset = 7  },
349 			{ .proportion_of_total = 4800, .offset = 18 },
350 		},
351 		.iv_offset = 3,
352 		.key_offset = 3,
353 	}, {
354 		.name = "misaligned splits crossing pages, inplace",
355 		.inplace = true,
356 		.src_divs = {
357 			{
358 				.proportion_of_total = 7500,
359 				.offset = PAGE_SIZE - 32
360 			}, {
361 				.proportion_of_total = 2500,
362 				.offset = PAGE_SIZE - 7
363 			},
364 		},
365 	}
366 };
367 
368 static const struct testvec_config default_hash_testvec_configs[] = {
369 	{
370 		.name = "init+update+final aligned buffer",
371 		.src_divs = { { .proportion_of_total = 10000 } },
372 		.finalization_type = FINALIZATION_TYPE_FINAL,
373 	}, {
374 		.name = "init+finup aligned buffer",
375 		.src_divs = { { .proportion_of_total = 10000 } },
376 		.finalization_type = FINALIZATION_TYPE_FINUP,
377 	}, {
378 		.name = "digest aligned buffer",
379 		.src_divs = { { .proportion_of_total = 10000 } },
380 		.finalization_type = FINALIZATION_TYPE_DIGEST,
381 	}, {
382 		.name = "init+update+final misaligned buffer",
383 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
384 		.finalization_type = FINALIZATION_TYPE_FINAL,
385 		.key_offset = 1,
386 	}, {
387 		.name = "digest buffer aligned only to alignmask",
388 		.src_divs = {
389 			{
390 				.proportion_of_total = 10000,
391 				.offset = 1,
392 				.offset_relative_to_alignmask = true,
393 			},
394 		},
395 		.finalization_type = FINALIZATION_TYPE_DIGEST,
396 		.key_offset = 1,
397 		.key_offset_relative_to_alignmask = true,
398 	}, {
399 		.name = "init+update+update+final two even splits",
400 		.src_divs = {
401 			{ .proportion_of_total = 5000 },
402 			{
403 				.proportion_of_total = 5000,
404 				.flush_type = FLUSH_TYPE_FLUSH,
405 			},
406 		},
407 		.finalization_type = FINALIZATION_TYPE_FINAL,
408 	}, {
409 		.name = "digest uneven misaligned splits, may sleep",
410 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
411 		.src_divs = {
412 			{ .proportion_of_total = 1900, .offset = 33 },
413 			{ .proportion_of_total = 3300, .offset = 7  },
414 			{ .proportion_of_total = 4800, .offset = 18 },
415 		},
416 		.finalization_type = FINALIZATION_TYPE_DIGEST,
417 	}, {
418 		.name = "digest misaligned splits crossing pages",
419 		.src_divs = {
420 			{
421 				.proportion_of_total = 7500,
422 				.offset = PAGE_SIZE - 32,
423 			}, {
424 				.proportion_of_total = 2500,
425 				.offset = PAGE_SIZE - 7,
426 			},
427 		},
428 		.finalization_type = FINALIZATION_TYPE_DIGEST,
429 	}, {
430 		.name = "import/export",
431 		.src_divs = {
432 			{
433 				.proportion_of_total = 6500,
434 				.flush_type = FLUSH_TYPE_REIMPORT,
435 			}, {
436 				.proportion_of_total = 3500,
437 				.flush_type = FLUSH_TYPE_REIMPORT,
438 			},
439 		},
440 		.finalization_type = FINALIZATION_TYPE_FINAL,
441 	}
442 };
443 
count_test_sg_divisions(const struct test_sg_division * divs)444 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
445 {
446 	unsigned int remaining = TEST_SG_TOTAL;
447 	unsigned int ndivs = 0;
448 
449 	do {
450 		remaining -= divs[ndivs++].proportion_of_total;
451 	} while (remaining);
452 
453 	return ndivs;
454 }
455 
456 #define SGDIVS_HAVE_FLUSHES	BIT(0)
457 #define SGDIVS_HAVE_NOSIMD	BIT(1)
458 
valid_sg_divisions(const struct test_sg_division * divs,unsigned int count,int * flags_ret)459 static bool valid_sg_divisions(const struct test_sg_division *divs,
460 			       unsigned int count, int *flags_ret)
461 {
462 	unsigned int total = 0;
463 	unsigned int i;
464 
465 	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
466 		if (divs[i].proportion_of_total <= 0 ||
467 		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
468 			return false;
469 		total += divs[i].proportion_of_total;
470 		if (divs[i].flush_type != FLUSH_TYPE_NONE)
471 			*flags_ret |= SGDIVS_HAVE_FLUSHES;
472 		if (divs[i].nosimd)
473 			*flags_ret |= SGDIVS_HAVE_NOSIMD;
474 	}
475 	return total == TEST_SG_TOTAL &&
476 		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
477 }
478 
479 /*
480  * Check whether the given testvec_config is valid.  This isn't strictly needed
481  * since every testvec_config should be valid, but check anyway so that people
482  * don't unknowingly add broken configs that don't do what they wanted.
483  */
valid_testvec_config(const struct testvec_config * cfg)484 static bool valid_testvec_config(const struct testvec_config *cfg)
485 {
486 	int flags = 0;
487 
488 	if (cfg->name == NULL)
489 		return false;
490 
491 	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
492 				&flags))
493 		return false;
494 
495 	if (cfg->dst_divs[0].proportion_of_total) {
496 		if (!valid_sg_divisions(cfg->dst_divs,
497 					ARRAY_SIZE(cfg->dst_divs), &flags))
498 			return false;
499 	} else {
500 		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
501 			return false;
502 		/* defaults to dst_divs=src_divs */
503 	}
504 
505 	if (cfg->iv_offset +
506 	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
507 	    MAX_ALGAPI_ALIGNMASK + 1)
508 		return false;
509 
510 	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
511 	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
512 		return false;
513 
514 	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
515 	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
516 		return false;
517 
518 	return true;
519 }
520 
521 struct test_sglist {
522 	char *bufs[XBUFSIZE];
523 	struct scatterlist sgl[XBUFSIZE];
524 	struct scatterlist sgl_saved[XBUFSIZE];
525 	struct scatterlist *sgl_ptr;
526 	unsigned int nents;
527 };
528 
init_test_sglist(struct test_sglist * tsgl)529 static int init_test_sglist(struct test_sglist *tsgl)
530 {
531 	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
532 }
533 
destroy_test_sglist(struct test_sglist * tsgl)534 static void destroy_test_sglist(struct test_sglist *tsgl)
535 {
536 	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
537 }
538 
539 /**
540  * build_test_sglist() - build a scatterlist for a crypto test
541  *
542  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
543  *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
544  * @divs: the layout specification on which the scatterlist will be based
545  * @alignmask: the algorithm's alignmask
546  * @total_len: the total length of the scatterlist to build in bytes
547  * @data: if non-NULL, the buffers will be filled with this data until it ends.
548  *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
549  *	  past the end of each buffer will be poisoned to help detect overruns.
550  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
551  *	      corresponds will be returned here.  This will match @divs except
552  *	      that divisions resolving to a length of 0 are omitted as they are
553  *	      not included in the scatterlist.
554  *
555  * Return: 0 or a -errno value
556  */
build_test_sglist(struct test_sglist * tsgl,const struct test_sg_division * divs,const unsigned int alignmask,const unsigned int total_len,struct iov_iter * data,const struct test_sg_division * out_divs[XBUFSIZE])557 static int build_test_sglist(struct test_sglist *tsgl,
558 			     const struct test_sg_division *divs,
559 			     const unsigned int alignmask,
560 			     const unsigned int total_len,
561 			     struct iov_iter *data,
562 			     const struct test_sg_division *out_divs[XBUFSIZE])
563 {
564 	struct {
565 		const struct test_sg_division *div;
566 		size_t length;
567 	} partitions[XBUFSIZE];
568 	const unsigned int ndivs = count_test_sg_divisions(divs);
569 	unsigned int len_remaining = total_len;
570 	unsigned int i;
571 
572 	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
573 	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
574 		return -EINVAL;
575 
576 	/* Calculate the (div, length) pairs */
577 	tsgl->nents = 0;
578 	for (i = 0; i < ndivs; i++) {
579 		unsigned int len_this_sg =
580 			min(len_remaining,
581 			    (total_len * divs[i].proportion_of_total +
582 			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
583 
584 		if (len_this_sg != 0) {
585 			partitions[tsgl->nents].div = &divs[i];
586 			partitions[tsgl->nents].length = len_this_sg;
587 			tsgl->nents++;
588 			len_remaining -= len_this_sg;
589 		}
590 	}
591 	if (tsgl->nents == 0) {
592 		partitions[tsgl->nents].div = &divs[0];
593 		partitions[tsgl->nents].length = 0;
594 		tsgl->nents++;
595 	}
596 	partitions[tsgl->nents - 1].length += len_remaining;
597 
598 	/* Set up the sgl entries and fill the data or poison */
599 	sg_init_table(tsgl->sgl, tsgl->nents);
600 	for (i = 0; i < tsgl->nents; i++) {
601 		unsigned int offset = partitions[i].div->offset;
602 		void *addr;
603 
604 		if (partitions[i].div->offset_relative_to_alignmask)
605 			offset += alignmask;
606 
607 		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
608 		       2 * PAGE_SIZE) {
609 			if (WARN_ON(offset <= 0))
610 				return -EINVAL;
611 			offset /= 2;
612 		}
613 
614 		addr = &tsgl->bufs[i][offset];
615 		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
616 
617 		if (out_divs)
618 			out_divs[i] = partitions[i].div;
619 
620 		if (data) {
621 			size_t copy_len, copied;
622 
623 			copy_len = min(partitions[i].length, data->count);
624 			copied = copy_from_iter(addr, copy_len, data);
625 			if (WARN_ON(copied != copy_len))
626 				return -EINVAL;
627 			testmgr_poison(addr + copy_len, partitions[i].length +
628 				       TESTMGR_POISON_LEN - copy_len);
629 		} else {
630 			testmgr_poison(addr, partitions[i].length +
631 				       TESTMGR_POISON_LEN);
632 		}
633 	}
634 
635 	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
636 	tsgl->sgl_ptr = tsgl->sgl;
637 	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
638 	return 0;
639 }
640 
641 /*
642  * Verify that a scatterlist crypto operation produced the correct output.
643  *
644  * @tsgl: scatterlist containing the actual output
645  * @expected_output: buffer containing the expected output
646  * @len_to_check: length of @expected_output in bytes
647  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
648  * @check_poison: verify that the poison bytes after each chunk are intact?
649  *
650  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
651  */
verify_correct_output(const struct test_sglist * tsgl,const char * expected_output,unsigned int len_to_check,unsigned int unchecked_prefix_len,bool check_poison)652 static int verify_correct_output(const struct test_sglist *tsgl,
653 				 const char *expected_output,
654 				 unsigned int len_to_check,
655 				 unsigned int unchecked_prefix_len,
656 				 bool check_poison)
657 {
658 	unsigned int i;
659 
660 	for (i = 0; i < tsgl->nents; i++) {
661 		struct scatterlist *sg = &tsgl->sgl_ptr[i];
662 		unsigned int len = sg->length;
663 		unsigned int offset = sg->offset;
664 		const char *actual_output;
665 
666 		if (unchecked_prefix_len) {
667 			if (unchecked_prefix_len >= len) {
668 				unchecked_prefix_len -= len;
669 				continue;
670 			}
671 			offset += unchecked_prefix_len;
672 			len -= unchecked_prefix_len;
673 			unchecked_prefix_len = 0;
674 		}
675 		len = min(len, len_to_check);
676 		actual_output = page_address(sg_page(sg)) + offset;
677 		if (memcmp(expected_output, actual_output, len) != 0)
678 			return -EINVAL;
679 		if (check_poison &&
680 		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
681 			return -EOVERFLOW;
682 		len_to_check -= len;
683 		expected_output += len;
684 	}
685 	if (WARN_ON(len_to_check != 0))
686 		return -EINVAL;
687 	return 0;
688 }
689 
is_test_sglist_corrupted(const struct test_sglist * tsgl)690 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
691 {
692 	unsigned int i;
693 
694 	for (i = 0; i < tsgl->nents; i++) {
695 		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
696 			return true;
697 		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
698 			return true;
699 		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
700 			return true;
701 	}
702 	return false;
703 }
704 
705 struct cipher_test_sglists {
706 	struct test_sglist src;
707 	struct test_sglist dst;
708 };
709 
alloc_cipher_test_sglists(void)710 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
711 {
712 	struct cipher_test_sglists *tsgls;
713 
714 	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
715 	if (!tsgls)
716 		return NULL;
717 
718 	if (init_test_sglist(&tsgls->src) != 0)
719 		goto fail_kfree;
720 	if (init_test_sglist(&tsgls->dst) != 0)
721 		goto fail_destroy_src;
722 
723 	return tsgls;
724 
725 fail_destroy_src:
726 	destroy_test_sglist(&tsgls->src);
727 fail_kfree:
728 	kfree(tsgls);
729 	return NULL;
730 }
731 
free_cipher_test_sglists(struct cipher_test_sglists * tsgls)732 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
733 {
734 	if (tsgls) {
735 		destroy_test_sglist(&tsgls->src);
736 		destroy_test_sglist(&tsgls->dst);
737 		kfree(tsgls);
738 	}
739 }
740 
741 /* Build the src and dst scatterlists for an skcipher or AEAD test */
build_cipher_test_sglists(struct cipher_test_sglists * tsgls,const struct testvec_config * cfg,unsigned int alignmask,unsigned int src_total_len,unsigned int dst_total_len,const struct kvec * inputs,unsigned int nr_inputs)742 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
743 				     const struct testvec_config *cfg,
744 				     unsigned int alignmask,
745 				     unsigned int src_total_len,
746 				     unsigned int dst_total_len,
747 				     const struct kvec *inputs,
748 				     unsigned int nr_inputs)
749 {
750 	struct iov_iter input;
751 	int err;
752 
753 	iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
754 	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
755 				cfg->inplace ?
756 					max(dst_total_len, src_total_len) :
757 					src_total_len,
758 				&input, NULL);
759 	if (err)
760 		return err;
761 
762 	if (cfg->inplace) {
763 		tsgls->dst.sgl_ptr = tsgls->src.sgl;
764 		tsgls->dst.nents = tsgls->src.nents;
765 		return 0;
766 	}
767 	return build_test_sglist(&tsgls->dst,
768 				 cfg->dst_divs[0].proportion_of_total ?
769 					cfg->dst_divs : cfg->src_divs,
770 				 alignmask, dst_total_len, NULL, NULL);
771 }
772 
773 /*
774  * Support for testing passing a misaligned key to setkey():
775  *
776  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
777  * optionally adding alignmask.  Else, just use the key directly.
778  */
prepare_keybuf(const u8 * key,unsigned int ksize,const struct testvec_config * cfg,unsigned int alignmask,const u8 ** keybuf_ret,const u8 ** keyptr_ret)779 static int prepare_keybuf(const u8 *key, unsigned int ksize,
780 			  const struct testvec_config *cfg,
781 			  unsigned int alignmask,
782 			  const u8 **keybuf_ret, const u8 **keyptr_ret)
783 {
784 	unsigned int key_offset = cfg->key_offset;
785 	u8 *keybuf = NULL, *keyptr = (u8 *)key;
786 
787 	if (key_offset != 0) {
788 		if (cfg->key_offset_relative_to_alignmask)
789 			key_offset += alignmask;
790 		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
791 		if (!keybuf)
792 			return -ENOMEM;
793 		keyptr = keybuf + key_offset;
794 		memcpy(keyptr, key, ksize);
795 	}
796 	*keybuf_ret = keybuf;
797 	*keyptr_ret = keyptr;
798 	return 0;
799 }
800 
801 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
802 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
803 ({									\
804 	const u8 *keybuf, *keyptr;					\
805 	int err;							\
806 									\
807 	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
808 			     &keybuf, &keyptr);				\
809 	if (err == 0) {							\
810 		err = setkey_f((tfm), keyptr, (ksize));			\
811 		kfree(keybuf);						\
812 	}								\
813 	err;								\
814 })
815 
816 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
817 
818 /* Generate a random length in range [0, max_len], but prefer smaller values */
generate_random_length(unsigned int max_len)819 static unsigned int generate_random_length(unsigned int max_len)
820 {
821 	unsigned int len = prandom_u32() % (max_len + 1);
822 
823 	switch (prandom_u32() % 4) {
824 	case 0:
825 		return len % 64;
826 	case 1:
827 		return len % 256;
828 	case 2:
829 		return len % 1024;
830 	default:
831 		return len;
832 	}
833 }
834 
835 /* Flip a random bit in the given nonempty data buffer */
flip_random_bit(u8 * buf,size_t size)836 static void flip_random_bit(u8 *buf, size_t size)
837 {
838 	size_t bitpos;
839 
840 	bitpos = prandom_u32() % (size * 8);
841 	buf[bitpos / 8] ^= 1 << (bitpos % 8);
842 }
843 
844 /* Flip a random byte in the given nonempty data buffer */
flip_random_byte(u8 * buf,size_t size)845 static void flip_random_byte(u8 *buf, size_t size)
846 {
847 	buf[prandom_u32() % size] ^= 0xff;
848 }
849 
850 /* Sometimes make some random changes to the given nonempty data buffer */
mutate_buffer(u8 * buf,size_t size)851 static void mutate_buffer(u8 *buf, size_t size)
852 {
853 	size_t num_flips;
854 	size_t i;
855 
856 	/* Sometimes flip some bits */
857 	if (prandom_u32() % 4 == 0) {
858 		num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
859 		for (i = 0; i < num_flips; i++)
860 			flip_random_bit(buf, size);
861 	}
862 
863 	/* Sometimes flip some bytes */
864 	if (prandom_u32() % 4 == 0) {
865 		num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
866 		for (i = 0; i < num_flips; i++)
867 			flip_random_byte(buf, size);
868 	}
869 }
870 
871 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
generate_random_bytes(u8 * buf,size_t count)872 static void generate_random_bytes(u8 *buf, size_t count)
873 {
874 	u8 b;
875 	u8 increment;
876 	size_t i;
877 
878 	if (count == 0)
879 		return;
880 
881 	switch (prandom_u32() % 8) { /* Choose a generation strategy */
882 	case 0:
883 	case 1:
884 		/* All the same byte, plus optional mutations */
885 		switch (prandom_u32() % 4) {
886 		case 0:
887 			b = 0x00;
888 			break;
889 		case 1:
890 			b = 0xff;
891 			break;
892 		default:
893 			b = (u8)prandom_u32();
894 			break;
895 		}
896 		memset(buf, b, count);
897 		mutate_buffer(buf, count);
898 		break;
899 	case 2:
900 		/* Ascending or descending bytes, plus optional mutations */
901 		increment = (u8)prandom_u32();
902 		b = (u8)prandom_u32();
903 		for (i = 0; i < count; i++, b += increment)
904 			buf[i] = b;
905 		mutate_buffer(buf, count);
906 		break;
907 	default:
908 		/* Fully random bytes */
909 		for (i = 0; i < count; i++)
910 			buf[i] = (u8)prandom_u32();
911 	}
912 }
913 
generate_random_sgl_divisions(struct test_sg_division * divs,size_t max_divs,char * p,char * end,bool gen_flushes,u32 req_flags)914 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
915 					   size_t max_divs, char *p, char *end,
916 					   bool gen_flushes, u32 req_flags)
917 {
918 	struct test_sg_division *div = divs;
919 	unsigned int remaining = TEST_SG_TOTAL;
920 
921 	do {
922 		unsigned int this_len;
923 		const char *flushtype_str;
924 
925 		if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
926 			this_len = remaining;
927 		else
928 			this_len = 1 + (prandom_u32() % remaining);
929 		div->proportion_of_total = this_len;
930 
931 		if (prandom_u32() % 4 == 0)
932 			div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
933 		else if (prandom_u32() % 2 == 0)
934 			div->offset = prandom_u32() % 32;
935 		else
936 			div->offset = prandom_u32() % PAGE_SIZE;
937 		if (prandom_u32() % 8 == 0)
938 			div->offset_relative_to_alignmask = true;
939 
940 		div->flush_type = FLUSH_TYPE_NONE;
941 		if (gen_flushes) {
942 			switch (prandom_u32() % 4) {
943 			case 0:
944 				div->flush_type = FLUSH_TYPE_REIMPORT;
945 				break;
946 			case 1:
947 				div->flush_type = FLUSH_TYPE_FLUSH;
948 				break;
949 			}
950 		}
951 
952 		if (div->flush_type != FLUSH_TYPE_NONE &&
953 		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
954 		    prandom_u32() % 2 == 0)
955 			div->nosimd = true;
956 
957 		switch (div->flush_type) {
958 		case FLUSH_TYPE_FLUSH:
959 			if (div->nosimd)
960 				flushtype_str = "<flush,nosimd>";
961 			else
962 				flushtype_str = "<flush>";
963 			break;
964 		case FLUSH_TYPE_REIMPORT:
965 			if (div->nosimd)
966 				flushtype_str = "<reimport,nosimd>";
967 			else
968 				flushtype_str = "<reimport>";
969 			break;
970 		default:
971 			flushtype_str = "";
972 			break;
973 		}
974 
975 		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
976 		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
977 			       this_len / 100, this_len % 100,
978 			       div->offset_relative_to_alignmask ?
979 					"alignmask" : "",
980 			       div->offset, this_len == remaining ? "" : ", ");
981 		remaining -= this_len;
982 		div++;
983 	} while (remaining);
984 
985 	return p;
986 }
987 
988 /* Generate a random testvec_config for fuzz testing */
generate_random_testvec_config(struct testvec_config * cfg,char * name,size_t max_namelen)989 static void generate_random_testvec_config(struct testvec_config *cfg,
990 					   char *name, size_t max_namelen)
991 {
992 	char *p = name;
993 	char * const end = name + max_namelen;
994 
995 	memset(cfg, 0, sizeof(*cfg));
996 
997 	cfg->name = name;
998 
999 	p += scnprintf(p, end - p, "random:");
1000 
1001 	if (prandom_u32() % 2 == 0) {
1002 		cfg->inplace = true;
1003 		p += scnprintf(p, end - p, " inplace");
1004 	}
1005 
1006 	if (prandom_u32() % 2 == 0) {
1007 		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1008 		p += scnprintf(p, end - p, " may_sleep");
1009 	}
1010 
1011 	switch (prandom_u32() % 4) {
1012 	case 0:
1013 		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1014 		p += scnprintf(p, end - p, " use_final");
1015 		break;
1016 	case 1:
1017 		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1018 		p += scnprintf(p, end - p, " use_finup");
1019 		break;
1020 	default:
1021 		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1022 		p += scnprintf(p, end - p, " use_digest");
1023 		break;
1024 	}
1025 
1026 	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1027 	    prandom_u32() % 2 == 0) {
1028 		cfg->nosimd = true;
1029 		p += scnprintf(p, end - p, " nosimd");
1030 	}
1031 
1032 	p += scnprintf(p, end - p, " src_divs=[");
1033 	p = generate_random_sgl_divisions(cfg->src_divs,
1034 					  ARRAY_SIZE(cfg->src_divs), p, end,
1035 					  (cfg->finalization_type !=
1036 					   FINALIZATION_TYPE_DIGEST),
1037 					  cfg->req_flags);
1038 	p += scnprintf(p, end - p, "]");
1039 
1040 	if (!cfg->inplace && prandom_u32() % 2 == 0) {
1041 		p += scnprintf(p, end - p, " dst_divs=[");
1042 		p = generate_random_sgl_divisions(cfg->dst_divs,
1043 						  ARRAY_SIZE(cfg->dst_divs),
1044 						  p, end, false,
1045 						  cfg->req_flags);
1046 		p += scnprintf(p, end - p, "]");
1047 	}
1048 
1049 	if (prandom_u32() % 2 == 0) {
1050 		cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1051 		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1052 	}
1053 
1054 	if (prandom_u32() % 2 == 0) {
1055 		cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
1056 		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1057 	}
1058 
1059 	WARN_ON_ONCE(!valid_testvec_config(cfg));
1060 }
1061 
crypto_disable_simd_for_test(void)1062 static void crypto_disable_simd_for_test(void)
1063 {
1064 	preempt_disable();
1065 	__this_cpu_write(crypto_simd_disabled_for_test, true);
1066 }
1067 
crypto_reenable_simd_for_test(void)1068 static void crypto_reenable_simd_for_test(void)
1069 {
1070 	__this_cpu_write(crypto_simd_disabled_for_test, false);
1071 	preempt_enable();
1072 }
1073 
1074 /*
1075  * Given an algorithm name, build the name of the generic implementation of that
1076  * algorithm, assuming the usual naming convention.  Specifically, this appends
1077  * "-generic" to every part of the name that is not a template name.  Examples:
1078  *
1079  *	aes => aes-generic
1080  *	cbc(aes) => cbc(aes-generic)
1081  *	cts(cbc(aes)) => cts(cbc(aes-generic))
1082  *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1083  *
1084  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1085  */
build_generic_driver_name(const char * algname,char driver_name[CRYPTO_MAX_ALG_NAME])1086 static int build_generic_driver_name(const char *algname,
1087 				     char driver_name[CRYPTO_MAX_ALG_NAME])
1088 {
1089 	const char *in = algname;
1090 	char *out = driver_name;
1091 	size_t len = strlen(algname);
1092 
1093 	if (len >= CRYPTO_MAX_ALG_NAME)
1094 		goto too_long;
1095 	do {
1096 		const char *in_saved = in;
1097 
1098 		while (*in && *in != '(' && *in != ')' && *in != ',')
1099 			*out++ = *in++;
1100 		if (*in != '(' && in > in_saved) {
1101 			len += 8;
1102 			if (len >= CRYPTO_MAX_ALG_NAME)
1103 				goto too_long;
1104 			memcpy(out, "-generic", 8);
1105 			out += 8;
1106 		}
1107 	} while ((*out++ = *in++) != '\0');
1108 	return 0;
1109 
1110 too_long:
1111 	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1112 	       algname);
1113 	return -ENAMETOOLONG;
1114 }
1115 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
crypto_disable_simd_for_test(void)1116 static void crypto_disable_simd_for_test(void)
1117 {
1118 }
1119 
crypto_reenable_simd_for_test(void)1120 static void crypto_reenable_simd_for_test(void)
1121 {
1122 }
1123 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1124 
build_hash_sglist(struct test_sglist * tsgl,const struct hash_testvec * vec,const struct testvec_config * cfg,unsigned int alignmask,const struct test_sg_division * divs[XBUFSIZE])1125 static int build_hash_sglist(struct test_sglist *tsgl,
1126 			     const struct hash_testvec *vec,
1127 			     const struct testvec_config *cfg,
1128 			     unsigned int alignmask,
1129 			     const struct test_sg_division *divs[XBUFSIZE])
1130 {
1131 	struct kvec kv;
1132 	struct iov_iter input;
1133 
1134 	kv.iov_base = (void *)vec->plaintext;
1135 	kv.iov_len = vec->psize;
1136 	iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1137 	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1138 				 &input, divs);
1139 }
1140 
check_hash_result(const char * type,const u8 * result,unsigned int digestsize,const struct hash_testvec * vec,const char * vec_name,const char * driver,const struct testvec_config * cfg)1141 static int check_hash_result(const char *type,
1142 			     const u8 *result, unsigned int digestsize,
1143 			     const struct hash_testvec *vec,
1144 			     const char *vec_name,
1145 			     const char *driver,
1146 			     const struct testvec_config *cfg)
1147 {
1148 	if (memcmp(result, vec->digest, digestsize) != 0) {
1149 		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1150 		       type, driver, vec_name, cfg->name);
1151 		return -EINVAL;
1152 	}
1153 	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1154 		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1155 		       type, driver, vec_name, cfg->name);
1156 		return -EOVERFLOW;
1157 	}
1158 	return 0;
1159 }
1160 
check_shash_op(const char * op,int err,const char * driver,const char * vec_name,const struct testvec_config * cfg)1161 static inline int check_shash_op(const char *op, int err,
1162 				 const char *driver, const char *vec_name,
1163 				 const struct testvec_config *cfg)
1164 {
1165 	if (err)
1166 		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1167 		       driver, op, err, vec_name, cfg->name);
1168 	return err;
1169 }
1170 
sg_data(struct scatterlist * sg)1171 static inline const void *sg_data(struct scatterlist *sg)
1172 {
1173 	return page_address(sg_page(sg)) + sg->offset;
1174 }
1175 
1176 /* Test one hash test vector in one configuration, using the shash API */
test_shash_vec_cfg(const char * driver,const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1177 static int test_shash_vec_cfg(const char *driver,
1178 			      const struct hash_testvec *vec,
1179 			      const char *vec_name,
1180 			      const struct testvec_config *cfg,
1181 			      struct shash_desc *desc,
1182 			      struct test_sglist *tsgl,
1183 			      u8 *hashstate)
1184 {
1185 	struct crypto_shash *tfm = desc->tfm;
1186 	const unsigned int alignmask = crypto_shash_alignmask(tfm);
1187 	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1188 	const unsigned int statesize = crypto_shash_statesize(tfm);
1189 	const struct test_sg_division *divs[XBUFSIZE];
1190 	unsigned int i;
1191 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1192 	int err;
1193 
1194 	/* Set the key, if specified */
1195 	if (vec->ksize) {
1196 		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1197 				cfg, alignmask);
1198 		if (err) {
1199 			if (err == vec->setkey_error)
1200 				return 0;
1201 			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1202 			       driver, vec_name, vec->setkey_error, err,
1203 			       crypto_shash_get_flags(tfm));
1204 			return err;
1205 		}
1206 		if (vec->setkey_error) {
1207 			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1208 			       driver, vec_name, vec->setkey_error);
1209 			return -EINVAL;
1210 		}
1211 	}
1212 
1213 	/* Build the scatterlist for the source data */
1214 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1215 	if (err) {
1216 		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1217 		       driver, vec_name, cfg->name);
1218 		return err;
1219 	}
1220 
1221 	/* Do the actual hashing */
1222 
1223 	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1224 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1225 
1226 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1227 	    vec->digest_error) {
1228 		/* Just using digest() */
1229 		if (tsgl->nents != 1)
1230 			return 0;
1231 		if (cfg->nosimd)
1232 			crypto_disable_simd_for_test();
1233 		err = crypto_shash_digest(desc, sg_data(&tsgl->sgl[0]),
1234 					  tsgl->sgl[0].length, result);
1235 		if (cfg->nosimd)
1236 			crypto_reenable_simd_for_test();
1237 		if (err) {
1238 			if (err == vec->digest_error)
1239 				return 0;
1240 			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1241 			       driver, vec_name, vec->digest_error, err,
1242 			       cfg->name);
1243 			return err;
1244 		}
1245 		if (vec->digest_error) {
1246 			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1247 			       driver, vec_name, vec->digest_error, cfg->name);
1248 			return -EINVAL;
1249 		}
1250 		goto result_ready;
1251 	}
1252 
1253 	/* Using init(), zero or more update(), then final() or finup() */
1254 
1255 	if (cfg->nosimd)
1256 		crypto_disable_simd_for_test();
1257 	err = crypto_shash_init(desc);
1258 	if (cfg->nosimd)
1259 		crypto_reenable_simd_for_test();
1260 	err = check_shash_op("init", err, driver, vec_name, cfg);
1261 	if (err)
1262 		return err;
1263 
1264 	for (i = 0; i < tsgl->nents; i++) {
1265 		if (i + 1 == tsgl->nents &&
1266 		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1267 			if (divs[i]->nosimd)
1268 				crypto_disable_simd_for_test();
1269 			err = crypto_shash_finup(desc, sg_data(&tsgl->sgl[i]),
1270 						 tsgl->sgl[i].length, result);
1271 			if (divs[i]->nosimd)
1272 				crypto_reenable_simd_for_test();
1273 			err = check_shash_op("finup", err, driver, vec_name,
1274 					     cfg);
1275 			if (err)
1276 				return err;
1277 			goto result_ready;
1278 		}
1279 		if (divs[i]->nosimd)
1280 			crypto_disable_simd_for_test();
1281 		err = crypto_shash_update(desc, sg_data(&tsgl->sgl[i]),
1282 					  tsgl->sgl[i].length);
1283 		if (divs[i]->nosimd)
1284 			crypto_reenable_simd_for_test();
1285 		err = check_shash_op("update", err, driver, vec_name, cfg);
1286 		if (err)
1287 			return err;
1288 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1289 			/* Test ->export() and ->import() */
1290 			testmgr_poison(hashstate + statesize,
1291 				       TESTMGR_POISON_LEN);
1292 			err = crypto_shash_export(desc, hashstate);
1293 			err = check_shash_op("export", err, driver, vec_name,
1294 					     cfg);
1295 			if (err)
1296 				return err;
1297 			if (!testmgr_is_poison(hashstate + statesize,
1298 					       TESTMGR_POISON_LEN)) {
1299 				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1300 				       driver, vec_name, cfg->name);
1301 				return -EOVERFLOW;
1302 			}
1303 			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1304 			err = crypto_shash_import(desc, hashstate);
1305 			err = check_shash_op("import", err, driver, vec_name,
1306 					     cfg);
1307 			if (err)
1308 				return err;
1309 		}
1310 	}
1311 
1312 	if (cfg->nosimd)
1313 		crypto_disable_simd_for_test();
1314 	err = crypto_shash_final(desc, result);
1315 	if (cfg->nosimd)
1316 		crypto_reenable_simd_for_test();
1317 	err = check_shash_op("final", err, driver, vec_name, cfg);
1318 	if (err)
1319 		return err;
1320 result_ready:
1321 	return check_hash_result("shash", result, digestsize, vec, vec_name,
1322 				 driver, cfg);
1323 }
1324 
do_ahash_op(int (* op)(struct ahash_request * req),struct ahash_request * req,struct crypto_wait * wait,bool nosimd)1325 static int do_ahash_op(int (*op)(struct ahash_request *req),
1326 		       struct ahash_request *req,
1327 		       struct crypto_wait *wait, bool nosimd)
1328 {
1329 	int err;
1330 
1331 	if (nosimd)
1332 		crypto_disable_simd_for_test();
1333 
1334 	err = op(req);
1335 
1336 	if (nosimd)
1337 		crypto_reenable_simd_for_test();
1338 
1339 	return crypto_wait_req(err, wait);
1340 }
1341 
check_nonfinal_ahash_op(const char * op,int err,u8 * result,unsigned int digestsize,const char * driver,const char * vec_name,const struct testvec_config * cfg)1342 static int check_nonfinal_ahash_op(const char *op, int err,
1343 				   u8 *result, unsigned int digestsize,
1344 				   const char *driver, const char *vec_name,
1345 				   const struct testvec_config *cfg)
1346 {
1347 	if (err) {
1348 		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1349 		       driver, op, err, vec_name, cfg->name);
1350 		return err;
1351 	}
1352 	if (!testmgr_is_poison(result, digestsize)) {
1353 		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1354 		       driver, op, vec_name, cfg->name);
1355 		return -EINVAL;
1356 	}
1357 	return 0;
1358 }
1359 
1360 /* Test one hash test vector in one configuration, using the ahash API */
test_ahash_vec_cfg(const char * driver,const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct ahash_request * req,struct test_sglist * tsgl,u8 * hashstate)1361 static int test_ahash_vec_cfg(const char *driver,
1362 			      const struct hash_testvec *vec,
1363 			      const char *vec_name,
1364 			      const struct testvec_config *cfg,
1365 			      struct ahash_request *req,
1366 			      struct test_sglist *tsgl,
1367 			      u8 *hashstate)
1368 {
1369 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1370 	const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1371 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1372 	const unsigned int statesize = crypto_ahash_statesize(tfm);
1373 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1374 	const struct test_sg_division *divs[XBUFSIZE];
1375 	DECLARE_CRYPTO_WAIT(wait);
1376 	unsigned int i;
1377 	struct scatterlist *pending_sgl;
1378 	unsigned int pending_len;
1379 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1380 	int err;
1381 
1382 	/* Set the key, if specified */
1383 	if (vec->ksize) {
1384 		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1385 				cfg, alignmask);
1386 		if (err) {
1387 			if (err == vec->setkey_error)
1388 				return 0;
1389 			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1390 			       driver, vec_name, vec->setkey_error, err,
1391 			       crypto_ahash_get_flags(tfm));
1392 			return err;
1393 		}
1394 		if (vec->setkey_error) {
1395 			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1396 			       driver, vec_name, vec->setkey_error);
1397 			return -EINVAL;
1398 		}
1399 	}
1400 
1401 	/* Build the scatterlist for the source data */
1402 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1403 	if (err) {
1404 		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1405 		       driver, vec_name, cfg->name);
1406 		return err;
1407 	}
1408 
1409 	/* Do the actual hashing */
1410 
1411 	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1412 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1413 
1414 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1415 	    vec->digest_error) {
1416 		/* Just using digest() */
1417 		ahash_request_set_callback(req, req_flags, crypto_req_done,
1418 					   &wait);
1419 		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1420 		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1421 		if (err) {
1422 			if (err == vec->digest_error)
1423 				return 0;
1424 			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1425 			       driver, vec_name, vec->digest_error, err,
1426 			       cfg->name);
1427 			return err;
1428 		}
1429 		if (vec->digest_error) {
1430 			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1431 			       driver, vec_name, vec->digest_error, cfg->name);
1432 			return -EINVAL;
1433 		}
1434 		goto result_ready;
1435 	}
1436 
1437 	/* Using init(), zero or more update(), then final() or finup() */
1438 
1439 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1440 	ahash_request_set_crypt(req, NULL, result, 0);
1441 	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1442 	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1443 				      driver, vec_name, cfg);
1444 	if (err)
1445 		return err;
1446 
1447 	pending_sgl = NULL;
1448 	pending_len = 0;
1449 	for (i = 0; i < tsgl->nents; i++) {
1450 		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1451 		    pending_sgl != NULL) {
1452 			/* update() with the pending data */
1453 			ahash_request_set_callback(req, req_flags,
1454 						   crypto_req_done, &wait);
1455 			ahash_request_set_crypt(req, pending_sgl, result,
1456 						pending_len);
1457 			err = do_ahash_op(crypto_ahash_update, req, &wait,
1458 					  divs[i]->nosimd);
1459 			err = check_nonfinal_ahash_op("update", err,
1460 						      result, digestsize,
1461 						      driver, vec_name, cfg);
1462 			if (err)
1463 				return err;
1464 			pending_sgl = NULL;
1465 			pending_len = 0;
1466 		}
1467 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1468 			/* Test ->export() and ->import() */
1469 			testmgr_poison(hashstate + statesize,
1470 				       TESTMGR_POISON_LEN);
1471 			err = crypto_ahash_export(req, hashstate);
1472 			err = check_nonfinal_ahash_op("export", err,
1473 						      result, digestsize,
1474 						      driver, vec_name, cfg);
1475 			if (err)
1476 				return err;
1477 			if (!testmgr_is_poison(hashstate + statesize,
1478 					       TESTMGR_POISON_LEN)) {
1479 				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1480 				       driver, vec_name, cfg->name);
1481 				return -EOVERFLOW;
1482 			}
1483 
1484 			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1485 			err = crypto_ahash_import(req, hashstate);
1486 			err = check_nonfinal_ahash_op("import", err,
1487 						      result, digestsize,
1488 						      driver, vec_name, cfg);
1489 			if (err)
1490 				return err;
1491 		}
1492 		if (pending_sgl == NULL)
1493 			pending_sgl = &tsgl->sgl[i];
1494 		pending_len += tsgl->sgl[i].length;
1495 	}
1496 
1497 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1498 	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1499 	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1500 		/* finish with update() and final() */
1501 		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1502 		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1503 					      driver, vec_name, cfg);
1504 		if (err)
1505 			return err;
1506 		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1507 		if (err) {
1508 			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1509 			       driver, err, vec_name, cfg->name);
1510 			return err;
1511 		}
1512 	} else {
1513 		/* finish with finup() */
1514 		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1515 		if (err) {
1516 			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1517 			       driver, err, vec_name, cfg->name);
1518 			return err;
1519 		}
1520 	}
1521 
1522 result_ready:
1523 	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1524 				 driver, cfg);
1525 }
1526 
test_hash_vec_cfg(const char * driver,const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1527 static int test_hash_vec_cfg(const char *driver,
1528 			     const struct hash_testvec *vec,
1529 			     const char *vec_name,
1530 			     const struct testvec_config *cfg,
1531 			     struct ahash_request *req,
1532 			     struct shash_desc *desc,
1533 			     struct test_sglist *tsgl,
1534 			     u8 *hashstate)
1535 {
1536 	int err;
1537 
1538 	/*
1539 	 * For algorithms implemented as "shash", most bugs will be detected by
1540 	 * both the shash and ahash tests.  Test the shash API first so that the
1541 	 * failures involve less indirection, so are easier to debug.
1542 	 */
1543 
1544 	if (desc) {
1545 		err = test_shash_vec_cfg(driver, vec, vec_name, cfg, desc, tsgl,
1546 					 hashstate);
1547 		if (err)
1548 			return err;
1549 	}
1550 
1551 	return test_ahash_vec_cfg(driver, vec, vec_name, cfg, req, tsgl,
1552 				  hashstate);
1553 }
1554 
test_hash_vec(const char * driver,const struct hash_testvec * vec,unsigned int vec_num,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1555 static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
1556 			 unsigned int vec_num, struct ahash_request *req,
1557 			 struct shash_desc *desc, struct test_sglist *tsgl,
1558 			 u8 *hashstate)
1559 {
1560 	char vec_name[16];
1561 	unsigned int i;
1562 	int err;
1563 
1564 	sprintf(vec_name, "%u", vec_num);
1565 
1566 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1567 		err = test_hash_vec_cfg(driver, vec, vec_name,
1568 					&default_hash_testvec_configs[i],
1569 					req, desc, tsgl, hashstate);
1570 		if (err)
1571 			return err;
1572 	}
1573 
1574 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1575 	if (!noextratests) {
1576 		struct testvec_config cfg;
1577 		char cfgname[TESTVEC_CONFIG_NAMELEN];
1578 
1579 		for (i = 0; i < fuzz_iterations; i++) {
1580 			generate_random_testvec_config(&cfg, cfgname,
1581 						       sizeof(cfgname));
1582 			err = test_hash_vec_cfg(driver, vec, vec_name, &cfg,
1583 						req, desc, tsgl, hashstate);
1584 			if (err)
1585 				return err;
1586 			cond_resched();
1587 		}
1588 	}
1589 #endif
1590 	return 0;
1591 }
1592 
1593 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1594 /*
1595  * Generate a hash test vector from the given implementation.
1596  * Assumes the buffers in 'vec' were already allocated.
1597  */
generate_random_hash_testvec(struct shash_desc * desc,struct hash_testvec * vec,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen)1598 static void generate_random_hash_testvec(struct shash_desc *desc,
1599 					 struct hash_testvec *vec,
1600 					 unsigned int maxkeysize,
1601 					 unsigned int maxdatasize,
1602 					 char *name, size_t max_namelen)
1603 {
1604 	/* Data */
1605 	vec->psize = generate_random_length(maxdatasize);
1606 	generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1607 
1608 	/*
1609 	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1610 	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1611 	 */
1612 	vec->setkey_error = 0;
1613 	vec->ksize = 0;
1614 	if (maxkeysize) {
1615 		vec->ksize = maxkeysize;
1616 		if (prandom_u32() % 4 == 0)
1617 			vec->ksize = 1 + (prandom_u32() % maxkeysize);
1618 		generate_random_bytes((u8 *)vec->key, vec->ksize);
1619 
1620 		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1621 							vec->ksize);
1622 		/* If the key couldn't be set, no need to continue to digest. */
1623 		if (vec->setkey_error)
1624 			goto done;
1625 	}
1626 
1627 	/* Digest */
1628 	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1629 						vec->psize, (u8 *)vec->digest);
1630 done:
1631 	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1632 		 vec->psize, vec->ksize);
1633 }
1634 
1635 /*
1636  * Test the hash algorithm represented by @req against the corresponding generic
1637  * implementation, if one is available.
1638  */
test_hash_vs_generic_impl(const char * driver,const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1639 static int test_hash_vs_generic_impl(const char *driver,
1640 				     const char *generic_driver,
1641 				     unsigned int maxkeysize,
1642 				     struct ahash_request *req,
1643 				     struct shash_desc *desc,
1644 				     struct test_sglist *tsgl,
1645 				     u8 *hashstate)
1646 {
1647 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1648 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1649 	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1650 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1651 	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1652 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1653 	struct crypto_shash *generic_tfm = NULL;
1654 	struct shash_desc *generic_desc = NULL;
1655 	unsigned int i;
1656 	struct hash_testvec vec = { 0 };
1657 	char vec_name[64];
1658 	struct testvec_config *cfg;
1659 	char cfgname[TESTVEC_CONFIG_NAMELEN];
1660 	int err;
1661 
1662 	if (noextratests)
1663 		return 0;
1664 
1665 	if (!generic_driver) { /* Use default naming convention? */
1666 		err = build_generic_driver_name(algname, _generic_driver);
1667 		if (err)
1668 			return err;
1669 		generic_driver = _generic_driver;
1670 	}
1671 
1672 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1673 		return 0;
1674 
1675 	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1676 	if (IS_ERR(generic_tfm)) {
1677 		err = PTR_ERR(generic_tfm);
1678 		if (err == -ENOENT) {
1679 			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1680 				driver, generic_driver);
1681 			return 0;
1682 		}
1683 		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1684 		       generic_driver, algname, err);
1685 		return err;
1686 	}
1687 
1688 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1689 	if (!cfg) {
1690 		err = -ENOMEM;
1691 		goto out;
1692 	}
1693 
1694 	generic_desc = kzalloc(sizeof(*desc) +
1695 			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1696 	if (!generic_desc) {
1697 		err = -ENOMEM;
1698 		goto out;
1699 	}
1700 	generic_desc->tfm = generic_tfm;
1701 
1702 	/* Check the algorithm properties for consistency. */
1703 
1704 	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1705 		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1706 		       driver, digestsize,
1707 		       crypto_shash_digestsize(generic_tfm));
1708 		err = -EINVAL;
1709 		goto out;
1710 	}
1711 
1712 	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1713 		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1714 		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1715 		err = -EINVAL;
1716 		goto out;
1717 	}
1718 
1719 	/*
1720 	 * Now generate test vectors using the generic implementation, and test
1721 	 * the other implementation against them.
1722 	 */
1723 
1724 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1725 	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1726 	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1727 	if (!vec.key || !vec.plaintext || !vec.digest) {
1728 		err = -ENOMEM;
1729 		goto out;
1730 	}
1731 
1732 	for (i = 0; i < fuzz_iterations * 8; i++) {
1733 		generate_random_hash_testvec(generic_desc, &vec,
1734 					     maxkeysize, maxdatasize,
1735 					     vec_name, sizeof(vec_name));
1736 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1737 
1738 		err = test_hash_vec_cfg(driver, &vec, vec_name, cfg,
1739 					req, desc, tsgl, hashstate);
1740 		if (err)
1741 			goto out;
1742 		cond_resched();
1743 	}
1744 	err = 0;
1745 out:
1746 	kfree(cfg);
1747 	kfree(vec.key);
1748 	kfree(vec.plaintext);
1749 	kfree(vec.digest);
1750 	crypto_free_shash(generic_tfm);
1751 	kfree_sensitive(generic_desc);
1752 	return err;
1753 }
1754 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_hash_vs_generic_impl(const char * driver,const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1755 static int test_hash_vs_generic_impl(const char *driver,
1756 				     const char *generic_driver,
1757 				     unsigned int maxkeysize,
1758 				     struct ahash_request *req,
1759 				     struct shash_desc *desc,
1760 				     struct test_sglist *tsgl,
1761 				     u8 *hashstate)
1762 {
1763 	return 0;
1764 }
1765 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1766 
alloc_shash(const char * driver,u32 type,u32 mask,struct crypto_shash ** tfm_ret,struct shash_desc ** desc_ret)1767 static int alloc_shash(const char *driver, u32 type, u32 mask,
1768 		       struct crypto_shash **tfm_ret,
1769 		       struct shash_desc **desc_ret)
1770 {
1771 	struct crypto_shash *tfm;
1772 	struct shash_desc *desc;
1773 
1774 	tfm = crypto_alloc_shash(driver, type, mask);
1775 	if (IS_ERR(tfm)) {
1776 		if (PTR_ERR(tfm) == -ENOENT) {
1777 			/*
1778 			 * This algorithm is only available through the ahash
1779 			 * API, not the shash API, so skip the shash tests.
1780 			 */
1781 			return 0;
1782 		}
1783 		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1784 		       driver, PTR_ERR(tfm));
1785 		return PTR_ERR(tfm);
1786 	}
1787 
1788 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1789 	if (!desc) {
1790 		crypto_free_shash(tfm);
1791 		return -ENOMEM;
1792 	}
1793 	desc->tfm = tfm;
1794 
1795 	*tfm_ret = tfm;
1796 	*desc_ret = desc;
1797 	return 0;
1798 }
1799 
__alg_test_hash(const struct hash_testvec * vecs,unsigned int num_vecs,const char * driver,u32 type,u32 mask,const char * generic_driver,unsigned int maxkeysize)1800 static int __alg_test_hash(const struct hash_testvec *vecs,
1801 			   unsigned int num_vecs, const char *driver,
1802 			   u32 type, u32 mask,
1803 			   const char *generic_driver, unsigned int maxkeysize)
1804 {
1805 	struct crypto_ahash *atfm = NULL;
1806 	struct ahash_request *req = NULL;
1807 	struct crypto_shash *stfm = NULL;
1808 	struct shash_desc *desc = NULL;
1809 	struct test_sglist *tsgl = NULL;
1810 	u8 *hashstate = NULL;
1811 	unsigned int statesize;
1812 	unsigned int i;
1813 	int err;
1814 
1815 	/*
1816 	 * Always test the ahash API.  This works regardless of whether the
1817 	 * algorithm is implemented as ahash or shash.
1818 	 */
1819 
1820 	atfm = crypto_alloc_ahash(driver, type, mask);
1821 	if (IS_ERR(atfm)) {
1822 		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1823 		       driver, PTR_ERR(atfm));
1824 		return PTR_ERR(atfm);
1825 	}
1826 
1827 	req = ahash_request_alloc(atfm, GFP_KERNEL);
1828 	if (!req) {
1829 		pr_err("alg: hash: failed to allocate request for %s\n",
1830 		       driver);
1831 		err = -ENOMEM;
1832 		goto out;
1833 	}
1834 
1835 	/*
1836 	 * If available also test the shash API, to cover corner cases that may
1837 	 * be missed by testing the ahash API only.
1838 	 */
1839 	err = alloc_shash(driver, type, mask, &stfm, &desc);
1840 	if (err)
1841 		goto out;
1842 
1843 	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1844 	if (!tsgl || init_test_sglist(tsgl) != 0) {
1845 		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1846 		       driver);
1847 		kfree(tsgl);
1848 		tsgl = NULL;
1849 		err = -ENOMEM;
1850 		goto out;
1851 	}
1852 
1853 	statesize = crypto_ahash_statesize(atfm);
1854 	if (stfm)
1855 		statesize = max(statesize, crypto_shash_statesize(stfm));
1856 	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1857 	if (!hashstate) {
1858 		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1859 		       driver);
1860 		err = -ENOMEM;
1861 		goto out;
1862 	}
1863 
1864 	for (i = 0; i < num_vecs; i++) {
1865 		err = test_hash_vec(driver, &vecs[i], i, req, desc, tsgl,
1866 				    hashstate);
1867 		if (err)
1868 			goto out;
1869 		cond_resched();
1870 	}
1871 	err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
1872 					desc, tsgl, hashstate);
1873 out:
1874 	kfree(hashstate);
1875 	if (tsgl) {
1876 		destroy_test_sglist(tsgl);
1877 		kfree(tsgl);
1878 	}
1879 	kfree(desc);
1880 	crypto_free_shash(stfm);
1881 	ahash_request_free(req);
1882 	crypto_free_ahash(atfm);
1883 	return err;
1884 }
1885 
alg_test_hash(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)1886 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1887 			 u32 type, u32 mask)
1888 {
1889 	const struct hash_testvec *template = desc->suite.hash.vecs;
1890 	unsigned int tcount = desc->suite.hash.count;
1891 	unsigned int nr_unkeyed, nr_keyed;
1892 	unsigned int maxkeysize = 0;
1893 	int err;
1894 
1895 	/*
1896 	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1897 	 * first, before setting a key on the tfm.  To make this easier, we
1898 	 * require that the unkeyed test vectors (if any) are listed first.
1899 	 */
1900 
1901 	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1902 		if (template[nr_unkeyed].ksize)
1903 			break;
1904 	}
1905 	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1906 		if (!template[nr_unkeyed + nr_keyed].ksize) {
1907 			pr_err("alg: hash: test vectors for %s out of order, "
1908 			       "unkeyed ones must come first\n", desc->alg);
1909 			return -EINVAL;
1910 		}
1911 		maxkeysize = max_t(unsigned int, maxkeysize,
1912 				   template[nr_unkeyed + nr_keyed].ksize);
1913 	}
1914 
1915 	err = 0;
1916 	if (nr_unkeyed) {
1917 		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1918 				      desc->generic_driver, maxkeysize);
1919 		template += nr_unkeyed;
1920 	}
1921 
1922 	if (!err && nr_keyed)
1923 		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1924 				      desc->generic_driver, maxkeysize);
1925 
1926 	return err;
1927 }
1928 
test_aead_vec_cfg(const char * driver,int enc,const struct aead_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct aead_request * req,struct cipher_test_sglists * tsgls)1929 static int test_aead_vec_cfg(const char *driver, int enc,
1930 			     const struct aead_testvec *vec,
1931 			     const char *vec_name,
1932 			     const struct testvec_config *cfg,
1933 			     struct aead_request *req,
1934 			     struct cipher_test_sglists *tsgls)
1935 {
1936 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1937 	const unsigned int alignmask = crypto_aead_alignmask(tfm);
1938 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
1939 	const unsigned int authsize = vec->clen - vec->plen;
1940 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1941 	const char *op = enc ? "encryption" : "decryption";
1942 	DECLARE_CRYPTO_WAIT(wait);
1943 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1944 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1945 		 cfg->iv_offset +
1946 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1947 	struct kvec input[2];
1948 	int err;
1949 
1950 	/* Set the key */
1951 	if (vec->wk)
1952 		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1953 	else
1954 		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1955 
1956 	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1957 			cfg, alignmask);
1958 	if (err && err != vec->setkey_error) {
1959 		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1960 		       driver, vec_name, vec->setkey_error, err,
1961 		       crypto_aead_get_flags(tfm));
1962 		return err;
1963 	}
1964 	if (!err && vec->setkey_error) {
1965 		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1966 		       driver, vec_name, vec->setkey_error);
1967 		return -EINVAL;
1968 	}
1969 
1970 	/* Set the authentication tag size */
1971 	err = crypto_aead_setauthsize(tfm, authsize);
1972 	if (err && err != vec->setauthsize_error) {
1973 		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
1974 		       driver, vec_name, vec->setauthsize_error, err);
1975 		return err;
1976 	}
1977 	if (!err && vec->setauthsize_error) {
1978 		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
1979 		       driver, vec_name, vec->setauthsize_error);
1980 		return -EINVAL;
1981 	}
1982 
1983 	if (vec->setkey_error || vec->setauthsize_error)
1984 		return 0;
1985 
1986 	/* The IV must be copied to a buffer, as the algorithm may modify it */
1987 	if (WARN_ON(ivsize > MAX_IVLEN))
1988 		return -EINVAL;
1989 	if (vec->iv)
1990 		memcpy(iv, vec->iv, ivsize);
1991 	else
1992 		memset(iv, 0, ivsize);
1993 
1994 	/* Build the src/dst scatterlists */
1995 	input[0].iov_base = (void *)vec->assoc;
1996 	input[0].iov_len = vec->alen;
1997 	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
1998 	input[1].iov_len = enc ? vec->plen : vec->clen;
1999 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2000 					vec->alen + (enc ? vec->plen :
2001 						     vec->clen),
2002 					vec->alen + (enc ? vec->clen :
2003 						     vec->plen),
2004 					input, 2);
2005 	if (err) {
2006 		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2007 		       driver, op, vec_name, cfg->name);
2008 		return err;
2009 	}
2010 
2011 	/* Do the actual encryption or decryption */
2012 	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2013 	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2014 	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2015 			       enc ? vec->plen : vec->clen, iv);
2016 	aead_request_set_ad(req, vec->alen);
2017 	if (cfg->nosimd)
2018 		crypto_disable_simd_for_test();
2019 	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2020 	if (cfg->nosimd)
2021 		crypto_reenable_simd_for_test();
2022 	err = crypto_wait_req(err, &wait);
2023 
2024 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2025 	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2026 	    req->assoclen != vec->alen ||
2027 	    req->iv != iv ||
2028 	    req->src != tsgls->src.sgl_ptr ||
2029 	    req->dst != tsgls->dst.sgl_ptr ||
2030 	    crypto_aead_reqtfm(req) != tfm ||
2031 	    req->base.complete != crypto_req_done ||
2032 	    req->base.flags != req_flags ||
2033 	    req->base.data != &wait) {
2034 		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2035 		       driver, op, vec_name, cfg->name);
2036 		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2037 			pr_err("alg: aead: changed 'req->cryptlen'\n");
2038 		if (req->assoclen != vec->alen)
2039 			pr_err("alg: aead: changed 'req->assoclen'\n");
2040 		if (req->iv != iv)
2041 			pr_err("alg: aead: changed 'req->iv'\n");
2042 		if (req->src != tsgls->src.sgl_ptr)
2043 			pr_err("alg: aead: changed 'req->src'\n");
2044 		if (req->dst != tsgls->dst.sgl_ptr)
2045 			pr_err("alg: aead: changed 'req->dst'\n");
2046 		if (crypto_aead_reqtfm(req) != tfm)
2047 			pr_err("alg: aead: changed 'req->base.tfm'\n");
2048 		if (req->base.complete != crypto_req_done)
2049 			pr_err("alg: aead: changed 'req->base.complete'\n");
2050 		if (req->base.flags != req_flags)
2051 			pr_err("alg: aead: changed 'req->base.flags'\n");
2052 		if (req->base.data != &wait)
2053 			pr_err("alg: aead: changed 'req->base.data'\n");
2054 		return -EINVAL;
2055 	}
2056 	if (is_test_sglist_corrupted(&tsgls->src)) {
2057 		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2058 		       driver, op, vec_name, cfg->name);
2059 		return -EINVAL;
2060 	}
2061 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2062 	    is_test_sglist_corrupted(&tsgls->dst)) {
2063 		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2064 		       driver, op, vec_name, cfg->name);
2065 		return -EINVAL;
2066 	}
2067 
2068 	/* Check for unexpected success or failure, or wrong error code */
2069 	if ((err == 0 && vec->novrfy) ||
2070 	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2071 		char expected_error[32];
2072 
2073 		if (vec->novrfy &&
2074 		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2075 			sprintf(expected_error, "-EBADMSG or %d",
2076 				vec->crypt_error);
2077 		else if (vec->novrfy)
2078 			sprintf(expected_error, "-EBADMSG");
2079 		else
2080 			sprintf(expected_error, "%d", vec->crypt_error);
2081 		if (err) {
2082 			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2083 			       driver, op, vec_name, expected_error, err,
2084 			       cfg->name);
2085 			return err;
2086 		}
2087 		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2088 		       driver, op, vec_name, expected_error, cfg->name);
2089 		return -EINVAL;
2090 	}
2091 	if (err) /* Expectedly failed. */
2092 		return 0;
2093 
2094 	/* Check for the correct output (ciphertext or plaintext) */
2095 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2096 				    enc ? vec->clen : vec->plen,
2097 				    vec->alen, enc || !cfg->inplace);
2098 	if (err == -EOVERFLOW) {
2099 		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2100 		       driver, op, vec_name, cfg->name);
2101 		return err;
2102 	}
2103 	if (err) {
2104 		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2105 		       driver, op, vec_name, cfg->name);
2106 		return err;
2107 	}
2108 
2109 	return 0;
2110 }
2111 
test_aead_vec(const char * driver,int enc,const struct aead_testvec * vec,unsigned int vec_num,struct aead_request * req,struct cipher_test_sglists * tsgls)2112 static int test_aead_vec(const char *driver, int enc,
2113 			 const struct aead_testvec *vec, unsigned int vec_num,
2114 			 struct aead_request *req,
2115 			 struct cipher_test_sglists *tsgls)
2116 {
2117 	char vec_name[16];
2118 	unsigned int i;
2119 	int err;
2120 
2121 	if (enc && vec->novrfy)
2122 		return 0;
2123 
2124 	sprintf(vec_name, "%u", vec_num);
2125 
2126 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2127 		err = test_aead_vec_cfg(driver, enc, vec, vec_name,
2128 					&default_cipher_testvec_configs[i],
2129 					req, tsgls);
2130 		if (err)
2131 			return err;
2132 	}
2133 
2134 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2135 	if (!noextratests) {
2136 		struct testvec_config cfg;
2137 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2138 
2139 		for (i = 0; i < fuzz_iterations; i++) {
2140 			generate_random_testvec_config(&cfg, cfgname,
2141 						       sizeof(cfgname));
2142 			err = test_aead_vec_cfg(driver, enc, vec, vec_name,
2143 						&cfg, req, tsgls);
2144 			if (err)
2145 				return err;
2146 			cond_resched();
2147 		}
2148 	}
2149 #endif
2150 	return 0;
2151 }
2152 
2153 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2154 
2155 struct aead_extra_tests_ctx {
2156 	struct aead_request *req;
2157 	struct crypto_aead *tfm;
2158 	const char *driver;
2159 	const struct alg_test_desc *test_desc;
2160 	struct cipher_test_sglists *tsgls;
2161 	unsigned int maxdatasize;
2162 	unsigned int maxkeysize;
2163 
2164 	struct aead_testvec vec;
2165 	char vec_name[64];
2166 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2167 	struct testvec_config cfg;
2168 };
2169 
2170 /*
2171  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2172  * here means the full ciphertext including the authentication tag.  The
2173  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2174  */
mutate_aead_message(struct aead_testvec * vec,bool aad_iv,unsigned int ivsize)2175 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2176 				unsigned int ivsize)
2177 {
2178 	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2179 	const unsigned int authsize = vec->clen - vec->plen;
2180 
2181 	if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
2182 		 /* Mutate the AAD */
2183 		flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2184 		if (prandom_u32() % 2 == 0)
2185 			return;
2186 	}
2187 	if (prandom_u32() % 2 == 0) {
2188 		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2189 		flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2190 	} else {
2191 		/* Mutate any part of the ciphertext */
2192 		flip_random_bit((u8 *)vec->ctext, vec->clen);
2193 	}
2194 }
2195 
2196 /*
2197  * Minimum authentication tag size in bytes at which we assume that we can
2198  * reliably generate inauthentic messages, i.e. not generate an authentic
2199  * message by chance.
2200  */
2201 #define MIN_COLLISION_FREE_AUTHSIZE 8
2202 
generate_aead_message(struct aead_request * req,const struct aead_test_suite * suite,struct aead_testvec * vec,bool prefer_inauthentic)2203 static void generate_aead_message(struct aead_request *req,
2204 				  const struct aead_test_suite *suite,
2205 				  struct aead_testvec *vec,
2206 				  bool prefer_inauthentic)
2207 {
2208 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2209 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2210 	const unsigned int authsize = vec->clen - vec->plen;
2211 	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2212 				 (prefer_inauthentic || prandom_u32() % 4 == 0);
2213 
2214 	/* Generate the AAD. */
2215 	generate_random_bytes((u8 *)vec->assoc, vec->alen);
2216 	if (suite->aad_iv && vec->alen >= ivsize)
2217 		/* Avoid implementation-defined behavior. */
2218 		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2219 
2220 	if (inauthentic && prandom_u32() % 2 == 0) {
2221 		/* Generate a random ciphertext. */
2222 		generate_random_bytes((u8 *)vec->ctext, vec->clen);
2223 	} else {
2224 		int i = 0;
2225 		struct scatterlist src[2], dst;
2226 		u8 iv[MAX_IVLEN];
2227 		DECLARE_CRYPTO_WAIT(wait);
2228 
2229 		/* Generate a random plaintext and encrypt it. */
2230 		sg_init_table(src, 2);
2231 		if (vec->alen)
2232 			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2233 		if (vec->plen) {
2234 			generate_random_bytes((u8 *)vec->ptext, vec->plen);
2235 			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2236 		}
2237 		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2238 		memcpy(iv, vec->iv, ivsize);
2239 		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2240 		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2241 		aead_request_set_ad(req, vec->alen);
2242 		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2243 						   &wait);
2244 		/* If encryption failed, we're done. */
2245 		if (vec->crypt_error != 0)
2246 			return;
2247 		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2248 		if (!inauthentic)
2249 			return;
2250 		/*
2251 		 * Mutate the authentic (ciphertext, AAD) pair to get an
2252 		 * inauthentic one.
2253 		 */
2254 		mutate_aead_message(vec, suite->aad_iv, ivsize);
2255 	}
2256 	vec->novrfy = 1;
2257 	if (suite->einval_allowed)
2258 		vec->crypt_error = -EINVAL;
2259 }
2260 
2261 /*
2262  * Generate an AEAD test vector 'vec' using the implementation specified by
2263  * 'req'.  The buffers in 'vec' must already be allocated.
2264  *
2265  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2266  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2267  */
generate_random_aead_testvec(struct aead_request * req,struct aead_testvec * vec,const struct aead_test_suite * suite,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen,bool prefer_inauthentic)2268 static void generate_random_aead_testvec(struct aead_request *req,
2269 					 struct aead_testvec *vec,
2270 					 const struct aead_test_suite *suite,
2271 					 unsigned int maxkeysize,
2272 					 unsigned int maxdatasize,
2273 					 char *name, size_t max_namelen,
2274 					 bool prefer_inauthentic)
2275 {
2276 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2277 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2278 	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2279 	unsigned int authsize;
2280 	unsigned int total_len;
2281 
2282 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2283 	vec->klen = maxkeysize;
2284 	if (prandom_u32() % 4 == 0)
2285 		vec->klen = prandom_u32() % (maxkeysize + 1);
2286 	generate_random_bytes((u8 *)vec->key, vec->klen);
2287 	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2288 
2289 	/* IV */
2290 	generate_random_bytes((u8 *)vec->iv, ivsize);
2291 
2292 	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2293 	authsize = maxauthsize;
2294 	if (prandom_u32() % 4 == 0)
2295 		authsize = prandom_u32() % (maxauthsize + 1);
2296 	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2297 		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2298 	if (WARN_ON(authsize > maxdatasize))
2299 		authsize = maxdatasize;
2300 	maxdatasize -= authsize;
2301 	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2302 
2303 	/* AAD, plaintext, and ciphertext lengths */
2304 	total_len = generate_random_length(maxdatasize);
2305 	if (prandom_u32() % 4 == 0)
2306 		vec->alen = 0;
2307 	else
2308 		vec->alen = generate_random_length(total_len);
2309 	vec->plen = total_len - vec->alen;
2310 	vec->clen = vec->plen + authsize;
2311 
2312 	/*
2313 	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2314 	 * key or the authentication tag size couldn't be set.
2315 	 */
2316 	vec->novrfy = 0;
2317 	vec->crypt_error = 0;
2318 	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2319 		generate_aead_message(req, suite, vec, prefer_inauthentic);
2320 	snprintf(name, max_namelen,
2321 		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2322 		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2323 }
2324 
try_to_generate_inauthentic_testvec(struct aead_extra_tests_ctx * ctx)2325 static void try_to_generate_inauthentic_testvec(
2326 					struct aead_extra_tests_ctx *ctx)
2327 {
2328 	int i;
2329 
2330 	for (i = 0; i < 10; i++) {
2331 		generate_random_aead_testvec(ctx->req, &ctx->vec,
2332 					     &ctx->test_desc->suite.aead,
2333 					     ctx->maxkeysize, ctx->maxdatasize,
2334 					     ctx->vec_name,
2335 					     sizeof(ctx->vec_name), true);
2336 		if (ctx->vec.novrfy)
2337 			return;
2338 	}
2339 }
2340 
2341 /*
2342  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2343  * result of an encryption with the key) and verify that decryption fails.
2344  */
test_aead_inauthentic_inputs(struct aead_extra_tests_ctx * ctx)2345 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2346 {
2347 	unsigned int i;
2348 	int err;
2349 
2350 	for (i = 0; i < fuzz_iterations * 8; i++) {
2351 		/*
2352 		 * Since this part of the tests isn't comparing the
2353 		 * implementation to another, there's no point in testing any
2354 		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2355 		 *
2356 		 * If we're having trouble generating such a test vector, e.g.
2357 		 * if the algorithm keeps rejecting the generated keys, don't
2358 		 * retry forever; just continue on.
2359 		 */
2360 		try_to_generate_inauthentic_testvec(ctx);
2361 		if (ctx->vec.novrfy) {
2362 			generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2363 						       sizeof(ctx->cfgname));
2364 			err = test_aead_vec_cfg(ctx->driver, DECRYPT, &ctx->vec,
2365 						ctx->vec_name, &ctx->cfg,
2366 						ctx->req, ctx->tsgls);
2367 			if (err)
2368 				return err;
2369 		}
2370 		cond_resched();
2371 	}
2372 	return 0;
2373 }
2374 
2375 /*
2376  * Test the AEAD algorithm against the corresponding generic implementation, if
2377  * one is available.
2378  */
test_aead_vs_generic_impl(struct aead_extra_tests_ctx * ctx)2379 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2380 {
2381 	struct crypto_aead *tfm = ctx->tfm;
2382 	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2383 	const char *driver = ctx->driver;
2384 	const char *generic_driver = ctx->test_desc->generic_driver;
2385 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2386 	struct crypto_aead *generic_tfm = NULL;
2387 	struct aead_request *generic_req = NULL;
2388 	unsigned int i;
2389 	int err;
2390 
2391 	if (!generic_driver) { /* Use default naming convention? */
2392 		err = build_generic_driver_name(algname, _generic_driver);
2393 		if (err)
2394 			return err;
2395 		generic_driver = _generic_driver;
2396 	}
2397 
2398 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2399 		return 0;
2400 
2401 	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2402 	if (IS_ERR(generic_tfm)) {
2403 		err = PTR_ERR(generic_tfm);
2404 		if (err == -ENOENT) {
2405 			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2406 				driver, generic_driver);
2407 			return 0;
2408 		}
2409 		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2410 		       generic_driver, algname, err);
2411 		return err;
2412 	}
2413 
2414 	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2415 	if (!generic_req) {
2416 		err = -ENOMEM;
2417 		goto out;
2418 	}
2419 
2420 	/* Check the algorithm properties for consistency. */
2421 
2422 	if (crypto_aead_maxauthsize(tfm) !=
2423 	    crypto_aead_maxauthsize(generic_tfm)) {
2424 		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2425 		       driver, crypto_aead_maxauthsize(tfm),
2426 		       crypto_aead_maxauthsize(generic_tfm));
2427 		err = -EINVAL;
2428 		goto out;
2429 	}
2430 
2431 	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2432 		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2433 		       driver, crypto_aead_ivsize(tfm),
2434 		       crypto_aead_ivsize(generic_tfm));
2435 		err = -EINVAL;
2436 		goto out;
2437 	}
2438 
2439 	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2440 		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2441 		       driver, crypto_aead_blocksize(tfm),
2442 		       crypto_aead_blocksize(generic_tfm));
2443 		err = -EINVAL;
2444 		goto out;
2445 	}
2446 
2447 	/*
2448 	 * Now generate test vectors using the generic implementation, and test
2449 	 * the other implementation against them.
2450 	 */
2451 	for (i = 0; i < fuzz_iterations * 8; i++) {
2452 		generate_random_aead_testvec(generic_req, &ctx->vec,
2453 					     &ctx->test_desc->suite.aead,
2454 					     ctx->maxkeysize, ctx->maxdatasize,
2455 					     ctx->vec_name,
2456 					     sizeof(ctx->vec_name), false);
2457 		generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2458 					       sizeof(ctx->cfgname));
2459 		if (!ctx->vec.novrfy) {
2460 			err = test_aead_vec_cfg(driver, ENCRYPT, &ctx->vec,
2461 						ctx->vec_name, &ctx->cfg,
2462 						ctx->req, ctx->tsgls);
2463 			if (err)
2464 				goto out;
2465 		}
2466 		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2467 			err = test_aead_vec_cfg(driver, DECRYPT, &ctx->vec,
2468 						ctx->vec_name, &ctx->cfg,
2469 						ctx->req, ctx->tsgls);
2470 			if (err)
2471 				goto out;
2472 		}
2473 		cond_resched();
2474 	}
2475 	err = 0;
2476 out:
2477 	crypto_free_aead(generic_tfm);
2478 	aead_request_free(generic_req);
2479 	return err;
2480 }
2481 
test_aead_extra(const char * driver,const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2482 static int test_aead_extra(const char *driver,
2483 			   const struct alg_test_desc *test_desc,
2484 			   struct aead_request *req,
2485 			   struct cipher_test_sglists *tsgls)
2486 {
2487 	struct aead_extra_tests_ctx *ctx;
2488 	unsigned int i;
2489 	int err;
2490 
2491 	if (noextratests)
2492 		return 0;
2493 
2494 	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2495 	if (!ctx)
2496 		return -ENOMEM;
2497 	ctx->req = req;
2498 	ctx->tfm = crypto_aead_reqtfm(req);
2499 	ctx->driver = driver;
2500 	ctx->test_desc = test_desc;
2501 	ctx->tsgls = tsgls;
2502 	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2503 	ctx->maxkeysize = 0;
2504 	for (i = 0; i < test_desc->suite.aead.count; i++)
2505 		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2506 					test_desc->suite.aead.vecs[i].klen);
2507 
2508 	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2509 	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2510 	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2511 	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2512 	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2513 	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2514 	    !ctx->vec.ptext || !ctx->vec.ctext) {
2515 		err = -ENOMEM;
2516 		goto out;
2517 	}
2518 
2519 	err = test_aead_vs_generic_impl(ctx);
2520 	if (err)
2521 		goto out;
2522 
2523 	err = test_aead_inauthentic_inputs(ctx);
2524 out:
2525 	kfree(ctx->vec.key);
2526 	kfree(ctx->vec.iv);
2527 	kfree(ctx->vec.assoc);
2528 	kfree(ctx->vec.ptext);
2529 	kfree(ctx->vec.ctext);
2530 	kfree(ctx);
2531 	return err;
2532 }
2533 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_aead_extra(const char * driver,const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2534 static int test_aead_extra(const char *driver,
2535 			   const struct alg_test_desc *test_desc,
2536 			   struct aead_request *req,
2537 			   struct cipher_test_sglists *tsgls)
2538 {
2539 	return 0;
2540 }
2541 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2542 
test_aead(const char * driver,int enc,const struct aead_test_suite * suite,struct aead_request * req,struct cipher_test_sglists * tsgls)2543 static int test_aead(const char *driver, int enc,
2544 		     const struct aead_test_suite *suite,
2545 		     struct aead_request *req,
2546 		     struct cipher_test_sglists *tsgls)
2547 {
2548 	unsigned int i;
2549 	int err;
2550 
2551 	for (i = 0; i < suite->count; i++) {
2552 		err = test_aead_vec(driver, enc, &suite->vecs[i], i, req,
2553 				    tsgls);
2554 		if (err)
2555 			return err;
2556 		cond_resched();
2557 	}
2558 	return 0;
2559 }
2560 
alg_test_aead(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)2561 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2562 			 u32 type, u32 mask)
2563 {
2564 	const struct aead_test_suite *suite = &desc->suite.aead;
2565 	struct crypto_aead *tfm;
2566 	struct aead_request *req = NULL;
2567 	struct cipher_test_sglists *tsgls = NULL;
2568 	int err;
2569 
2570 	if (suite->count <= 0) {
2571 		pr_err("alg: aead: empty test suite for %s\n", driver);
2572 		return -EINVAL;
2573 	}
2574 
2575 	tfm = crypto_alloc_aead(driver, type, mask);
2576 	if (IS_ERR(tfm)) {
2577 		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2578 		       driver, PTR_ERR(tfm));
2579 		return PTR_ERR(tfm);
2580 	}
2581 
2582 	req = aead_request_alloc(tfm, GFP_KERNEL);
2583 	if (!req) {
2584 		pr_err("alg: aead: failed to allocate request for %s\n",
2585 		       driver);
2586 		err = -ENOMEM;
2587 		goto out;
2588 	}
2589 
2590 	tsgls = alloc_cipher_test_sglists();
2591 	if (!tsgls) {
2592 		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2593 		       driver);
2594 		err = -ENOMEM;
2595 		goto out;
2596 	}
2597 
2598 	err = test_aead(driver, ENCRYPT, suite, req, tsgls);
2599 	if (err)
2600 		goto out;
2601 
2602 	err = test_aead(driver, DECRYPT, suite, req, tsgls);
2603 	if (err)
2604 		goto out;
2605 
2606 	err = test_aead_extra(driver, desc, req, tsgls);
2607 out:
2608 	free_cipher_test_sglists(tsgls);
2609 	aead_request_free(req);
2610 	crypto_free_aead(tfm);
2611 	return err;
2612 }
2613 
test_cipher(struct crypto_cipher * tfm,int enc,const struct cipher_testvec * template,unsigned int tcount)2614 static int test_cipher(struct crypto_cipher *tfm, int enc,
2615 		       const struct cipher_testvec *template,
2616 		       unsigned int tcount)
2617 {
2618 	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2619 	unsigned int i, j, k;
2620 	char *q;
2621 	const char *e;
2622 	const char *input, *result;
2623 	void *data;
2624 	char *xbuf[XBUFSIZE];
2625 	int ret = -ENOMEM;
2626 
2627 	if (testmgr_alloc_buf(xbuf))
2628 		goto out_nobuf;
2629 
2630 	if (enc == ENCRYPT)
2631 	        e = "encryption";
2632 	else
2633 		e = "decryption";
2634 
2635 	j = 0;
2636 	for (i = 0; i < tcount; i++) {
2637 
2638 		if (fips_enabled && template[i].fips_skip)
2639 			continue;
2640 
2641 		input  = enc ? template[i].ptext : template[i].ctext;
2642 		result = enc ? template[i].ctext : template[i].ptext;
2643 		j++;
2644 
2645 		ret = -EINVAL;
2646 		if (WARN_ON(template[i].len > PAGE_SIZE))
2647 			goto out;
2648 
2649 		data = xbuf[0];
2650 		memcpy(data, input, template[i].len);
2651 
2652 		crypto_cipher_clear_flags(tfm, ~0);
2653 		if (template[i].wk)
2654 			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2655 
2656 		ret = crypto_cipher_setkey(tfm, template[i].key,
2657 					   template[i].klen);
2658 		if (ret) {
2659 			if (ret == template[i].setkey_error)
2660 				continue;
2661 			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2662 			       algo, j, template[i].setkey_error, ret,
2663 			       crypto_cipher_get_flags(tfm));
2664 			goto out;
2665 		}
2666 		if (template[i].setkey_error) {
2667 			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2668 			       algo, j, template[i].setkey_error);
2669 			ret = -EINVAL;
2670 			goto out;
2671 		}
2672 
2673 		for (k = 0; k < template[i].len;
2674 		     k += crypto_cipher_blocksize(tfm)) {
2675 			if (enc)
2676 				crypto_cipher_encrypt_one(tfm, data + k,
2677 							  data + k);
2678 			else
2679 				crypto_cipher_decrypt_one(tfm, data + k,
2680 							  data + k);
2681 		}
2682 
2683 		q = data;
2684 		if (memcmp(q, result, template[i].len)) {
2685 			printk(KERN_ERR "alg: cipher: Test %d failed "
2686 			       "on %s for %s\n", j, e, algo);
2687 			hexdump(q, template[i].len);
2688 			ret = -EINVAL;
2689 			goto out;
2690 		}
2691 	}
2692 
2693 	ret = 0;
2694 
2695 out:
2696 	testmgr_free_buf(xbuf);
2697 out_nobuf:
2698 	return ret;
2699 }
2700 
test_skcipher_vec_cfg(const char * driver,int enc,const struct cipher_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2701 static int test_skcipher_vec_cfg(const char *driver, int enc,
2702 				 const struct cipher_testvec *vec,
2703 				 const char *vec_name,
2704 				 const struct testvec_config *cfg,
2705 				 struct skcipher_request *req,
2706 				 struct cipher_test_sglists *tsgls)
2707 {
2708 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2709 	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2710 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2711 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2712 	const char *op = enc ? "encryption" : "decryption";
2713 	DECLARE_CRYPTO_WAIT(wait);
2714 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2715 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2716 		 cfg->iv_offset +
2717 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2718 	struct kvec input;
2719 	int err;
2720 
2721 	/* Set the key */
2722 	if (vec->wk)
2723 		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2724 	else
2725 		crypto_skcipher_clear_flags(tfm,
2726 					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2727 	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2728 			cfg, alignmask);
2729 	if (err) {
2730 		if (err == vec->setkey_error)
2731 			return 0;
2732 		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2733 		       driver, vec_name, vec->setkey_error, err,
2734 		       crypto_skcipher_get_flags(tfm));
2735 		return err;
2736 	}
2737 	if (vec->setkey_error) {
2738 		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2739 		       driver, vec_name, vec->setkey_error);
2740 		return -EINVAL;
2741 	}
2742 
2743 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2744 	if (ivsize) {
2745 		if (WARN_ON(ivsize > MAX_IVLEN))
2746 			return -EINVAL;
2747 		if (vec->generates_iv && !enc)
2748 			memcpy(iv, vec->iv_out, ivsize);
2749 		else if (vec->iv)
2750 			memcpy(iv, vec->iv, ivsize);
2751 		else
2752 			memset(iv, 0, ivsize);
2753 	} else {
2754 		if (vec->generates_iv) {
2755 			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2756 			       driver, vec_name);
2757 			return -EINVAL;
2758 		}
2759 		iv = NULL;
2760 	}
2761 
2762 	/* Build the src/dst scatterlists */
2763 	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2764 	input.iov_len = vec->len;
2765 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2766 					vec->len, vec->len, &input, 1);
2767 	if (err) {
2768 		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2769 		       driver, op, vec_name, cfg->name);
2770 		return err;
2771 	}
2772 
2773 	/* Do the actual encryption or decryption */
2774 	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2775 	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2776 	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2777 				   vec->len, iv);
2778 	if (cfg->nosimd)
2779 		crypto_disable_simd_for_test();
2780 	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2781 	if (cfg->nosimd)
2782 		crypto_reenable_simd_for_test();
2783 	err = crypto_wait_req(err, &wait);
2784 
2785 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2786 	if (req->cryptlen != vec->len ||
2787 	    req->iv != iv ||
2788 	    req->src != tsgls->src.sgl_ptr ||
2789 	    req->dst != tsgls->dst.sgl_ptr ||
2790 	    crypto_skcipher_reqtfm(req) != tfm ||
2791 	    req->base.complete != crypto_req_done ||
2792 	    req->base.flags != req_flags ||
2793 	    req->base.data != &wait) {
2794 		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2795 		       driver, op, vec_name, cfg->name);
2796 		if (req->cryptlen != vec->len)
2797 			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2798 		if (req->iv != iv)
2799 			pr_err("alg: skcipher: changed 'req->iv'\n");
2800 		if (req->src != tsgls->src.sgl_ptr)
2801 			pr_err("alg: skcipher: changed 'req->src'\n");
2802 		if (req->dst != tsgls->dst.sgl_ptr)
2803 			pr_err("alg: skcipher: changed 'req->dst'\n");
2804 		if (crypto_skcipher_reqtfm(req) != tfm)
2805 			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2806 		if (req->base.complete != crypto_req_done)
2807 			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2808 		if (req->base.flags != req_flags)
2809 			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2810 		if (req->base.data != &wait)
2811 			pr_err("alg: skcipher: changed 'req->base.data'\n");
2812 		return -EINVAL;
2813 	}
2814 	if (is_test_sglist_corrupted(&tsgls->src)) {
2815 		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2816 		       driver, op, vec_name, cfg->name);
2817 		return -EINVAL;
2818 	}
2819 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2820 	    is_test_sglist_corrupted(&tsgls->dst)) {
2821 		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2822 		       driver, op, vec_name, cfg->name);
2823 		return -EINVAL;
2824 	}
2825 
2826 	/* Check for success or failure */
2827 	if (err) {
2828 		if (err == vec->crypt_error)
2829 			return 0;
2830 		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2831 		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2832 		return err;
2833 	}
2834 	if (vec->crypt_error) {
2835 		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2836 		       driver, op, vec_name, vec->crypt_error, cfg->name);
2837 		return -EINVAL;
2838 	}
2839 
2840 	/* Check for the correct output (ciphertext or plaintext) */
2841 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2842 				    vec->len, 0, true);
2843 	if (err == -EOVERFLOW) {
2844 		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2845 		       driver, op, vec_name, cfg->name);
2846 		return err;
2847 	}
2848 	if (err) {
2849 		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2850 		       driver, op, vec_name, cfg->name);
2851 		return err;
2852 	}
2853 
2854 	/* If applicable, check that the algorithm generated the correct IV */
2855 	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2856 		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2857 		       driver, op, vec_name, cfg->name);
2858 		hexdump(iv, ivsize);
2859 		return -EINVAL;
2860 	}
2861 
2862 	return 0;
2863 }
2864 
test_skcipher_vec(const char * driver,int enc,const struct cipher_testvec * vec,unsigned int vec_num,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2865 static int test_skcipher_vec(const char *driver, int enc,
2866 			     const struct cipher_testvec *vec,
2867 			     unsigned int vec_num,
2868 			     struct skcipher_request *req,
2869 			     struct cipher_test_sglists *tsgls)
2870 {
2871 	char vec_name[16];
2872 	unsigned int i;
2873 	int err;
2874 
2875 	if (fips_enabled && vec->fips_skip)
2876 		return 0;
2877 
2878 	sprintf(vec_name, "%u", vec_num);
2879 
2880 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2881 		err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2882 					    &default_cipher_testvec_configs[i],
2883 					    req, tsgls);
2884 		if (err)
2885 			return err;
2886 	}
2887 
2888 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2889 	if (!noextratests) {
2890 		struct testvec_config cfg;
2891 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2892 
2893 		for (i = 0; i < fuzz_iterations; i++) {
2894 			generate_random_testvec_config(&cfg, cfgname,
2895 						       sizeof(cfgname));
2896 			err = test_skcipher_vec_cfg(driver, enc, vec, vec_name,
2897 						    &cfg, req, tsgls);
2898 			if (err)
2899 				return err;
2900 			cond_resched();
2901 		}
2902 	}
2903 #endif
2904 	return 0;
2905 }
2906 
2907 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2908 /*
2909  * Generate a symmetric cipher test vector from the given implementation.
2910  * Assumes the buffers in 'vec' were already allocated.
2911  */
generate_random_cipher_testvec(struct skcipher_request * req,struct cipher_testvec * vec,unsigned int maxdatasize,char * name,size_t max_namelen)2912 static void generate_random_cipher_testvec(struct skcipher_request *req,
2913 					   struct cipher_testvec *vec,
2914 					   unsigned int maxdatasize,
2915 					   char *name, size_t max_namelen)
2916 {
2917 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2918 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2919 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2920 	struct scatterlist src, dst;
2921 	u8 iv[MAX_IVLEN];
2922 	DECLARE_CRYPTO_WAIT(wait);
2923 
2924 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2925 	vec->klen = maxkeysize;
2926 	if (prandom_u32() % 4 == 0)
2927 		vec->klen = prandom_u32() % (maxkeysize + 1);
2928 	generate_random_bytes((u8 *)vec->key, vec->klen);
2929 	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2930 
2931 	/* IV */
2932 	generate_random_bytes((u8 *)vec->iv, ivsize);
2933 
2934 	/* Plaintext */
2935 	vec->len = generate_random_length(maxdatasize);
2936 	generate_random_bytes((u8 *)vec->ptext, vec->len);
2937 
2938 	/* If the key couldn't be set, no need to continue to encrypt. */
2939 	if (vec->setkey_error)
2940 		goto done;
2941 
2942 	/* Ciphertext */
2943 	sg_init_one(&src, vec->ptext, vec->len);
2944 	sg_init_one(&dst, vec->ctext, vec->len);
2945 	memcpy(iv, vec->iv, ivsize);
2946 	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2947 	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2948 	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2949 	if (vec->crypt_error != 0) {
2950 		/*
2951 		 * The only acceptable error here is for an invalid length, so
2952 		 * skcipher decryption should fail with the same error too.
2953 		 * We'll test for this.  But to keep the API usage well-defined,
2954 		 * explicitly initialize the ciphertext buffer too.
2955 		 */
2956 		memset((u8 *)vec->ctext, 0, vec->len);
2957 	}
2958 done:
2959 	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2960 		 vec->len, vec->klen);
2961 }
2962 
2963 /*
2964  * Test the skcipher algorithm represented by @req against the corresponding
2965  * generic implementation, if one is available.
2966  */
test_skcipher_vs_generic_impl(const char * driver,const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2967 static int test_skcipher_vs_generic_impl(const char *driver,
2968 					 const char *generic_driver,
2969 					 struct skcipher_request *req,
2970 					 struct cipher_test_sglists *tsgls)
2971 {
2972 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2973 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2974 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2975 	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
2976 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2977 	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
2978 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2979 	struct crypto_skcipher *generic_tfm = NULL;
2980 	struct skcipher_request *generic_req = NULL;
2981 	unsigned int i;
2982 	struct cipher_testvec vec = { 0 };
2983 	char vec_name[64];
2984 	struct testvec_config *cfg;
2985 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2986 	int err;
2987 
2988 	if (noextratests)
2989 		return 0;
2990 
2991 	/* Keywrap isn't supported here yet as it handles its IV differently. */
2992 	if (strncmp(algname, "kw(", 3) == 0)
2993 		return 0;
2994 
2995 	if (!generic_driver) { /* Use default naming convention? */
2996 		err = build_generic_driver_name(algname, _generic_driver);
2997 		if (err)
2998 			return err;
2999 		generic_driver = _generic_driver;
3000 	}
3001 
3002 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3003 		return 0;
3004 
3005 	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3006 	if (IS_ERR(generic_tfm)) {
3007 		err = PTR_ERR(generic_tfm);
3008 		if (err == -ENOENT) {
3009 			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3010 				driver, generic_driver);
3011 			return 0;
3012 		}
3013 		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3014 		       generic_driver, algname, err);
3015 		return err;
3016 	}
3017 
3018 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3019 	if (!cfg) {
3020 		err = -ENOMEM;
3021 		goto out;
3022 	}
3023 
3024 	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3025 	if (!generic_req) {
3026 		err = -ENOMEM;
3027 		goto out;
3028 	}
3029 
3030 	/* Check the algorithm properties for consistency. */
3031 
3032 	if (crypto_skcipher_min_keysize(tfm) !=
3033 	    crypto_skcipher_min_keysize(generic_tfm)) {
3034 		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3035 		       driver, crypto_skcipher_min_keysize(tfm),
3036 		       crypto_skcipher_min_keysize(generic_tfm));
3037 		err = -EINVAL;
3038 		goto out;
3039 	}
3040 
3041 	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3042 		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3043 		       driver, maxkeysize,
3044 		       crypto_skcipher_max_keysize(generic_tfm));
3045 		err = -EINVAL;
3046 		goto out;
3047 	}
3048 
3049 	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3050 		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3051 		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3052 		err = -EINVAL;
3053 		goto out;
3054 	}
3055 
3056 	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3057 		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3058 		       driver, blocksize,
3059 		       crypto_skcipher_blocksize(generic_tfm));
3060 		err = -EINVAL;
3061 		goto out;
3062 	}
3063 
3064 	/*
3065 	 * Now generate test vectors using the generic implementation, and test
3066 	 * the other implementation against them.
3067 	 */
3068 
3069 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3070 	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3071 	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3072 	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3073 	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3074 		err = -ENOMEM;
3075 		goto out;
3076 	}
3077 
3078 	for (i = 0; i < fuzz_iterations * 8; i++) {
3079 		generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3080 					       vec_name, sizeof(vec_name));
3081 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3082 
3083 		err = test_skcipher_vec_cfg(driver, ENCRYPT, &vec, vec_name,
3084 					    cfg, req, tsgls);
3085 		if (err)
3086 			goto out;
3087 		err = test_skcipher_vec_cfg(driver, DECRYPT, &vec, vec_name,
3088 					    cfg, req, tsgls);
3089 		if (err)
3090 			goto out;
3091 		cond_resched();
3092 	}
3093 	err = 0;
3094 out:
3095 	kfree(cfg);
3096 	kfree(vec.key);
3097 	kfree(vec.iv);
3098 	kfree(vec.ptext);
3099 	kfree(vec.ctext);
3100 	crypto_free_skcipher(generic_tfm);
3101 	skcipher_request_free(generic_req);
3102 	return err;
3103 }
3104 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_skcipher_vs_generic_impl(const char * driver,const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3105 static int test_skcipher_vs_generic_impl(const char *driver,
3106 					 const char *generic_driver,
3107 					 struct skcipher_request *req,
3108 					 struct cipher_test_sglists *tsgls)
3109 {
3110 	return 0;
3111 }
3112 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3113 
test_skcipher(const char * driver,int enc,const struct cipher_test_suite * suite,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3114 static int test_skcipher(const char *driver, int enc,
3115 			 const struct cipher_test_suite *suite,
3116 			 struct skcipher_request *req,
3117 			 struct cipher_test_sglists *tsgls)
3118 {
3119 	unsigned int i;
3120 	int err;
3121 
3122 	for (i = 0; i < suite->count; i++) {
3123 		err = test_skcipher_vec(driver, enc, &suite->vecs[i], i, req,
3124 					tsgls);
3125 		if (err)
3126 			return err;
3127 		cond_resched();
3128 	}
3129 	return 0;
3130 }
3131 
alg_test_skcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3132 static int alg_test_skcipher(const struct alg_test_desc *desc,
3133 			     const char *driver, u32 type, u32 mask)
3134 {
3135 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3136 	struct crypto_skcipher *tfm;
3137 	struct skcipher_request *req = NULL;
3138 	struct cipher_test_sglists *tsgls = NULL;
3139 	int err;
3140 
3141 	if (suite->count <= 0) {
3142 		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3143 		return -EINVAL;
3144 	}
3145 
3146 	tfm = crypto_alloc_skcipher(driver, type, mask);
3147 	if (IS_ERR(tfm)) {
3148 		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3149 		       driver, PTR_ERR(tfm));
3150 		return PTR_ERR(tfm);
3151 	}
3152 
3153 	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3154 	if (!req) {
3155 		pr_err("alg: skcipher: failed to allocate request for %s\n",
3156 		       driver);
3157 		err = -ENOMEM;
3158 		goto out;
3159 	}
3160 
3161 	tsgls = alloc_cipher_test_sglists();
3162 	if (!tsgls) {
3163 		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3164 		       driver);
3165 		err = -ENOMEM;
3166 		goto out;
3167 	}
3168 
3169 	err = test_skcipher(driver, ENCRYPT, suite, req, tsgls);
3170 	if (err)
3171 		goto out;
3172 
3173 	err = test_skcipher(driver, DECRYPT, suite, req, tsgls);
3174 	if (err)
3175 		goto out;
3176 
3177 	err = test_skcipher_vs_generic_impl(driver, desc->generic_driver, req,
3178 					    tsgls);
3179 out:
3180 	free_cipher_test_sglists(tsgls);
3181 	skcipher_request_free(req);
3182 	crypto_free_skcipher(tfm);
3183 	return err;
3184 }
3185 
test_comp(struct crypto_comp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3186 static int test_comp(struct crypto_comp *tfm,
3187 		     const struct comp_testvec *ctemplate,
3188 		     const struct comp_testvec *dtemplate,
3189 		     int ctcount, int dtcount)
3190 {
3191 	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3192 	char *output, *decomp_output;
3193 	unsigned int i;
3194 	int ret;
3195 
3196 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3197 	if (!output)
3198 		return -ENOMEM;
3199 
3200 	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3201 	if (!decomp_output) {
3202 		kfree(output);
3203 		return -ENOMEM;
3204 	}
3205 
3206 	for (i = 0; i < ctcount; i++) {
3207 		int ilen;
3208 		unsigned int dlen = COMP_BUF_SIZE;
3209 
3210 		memset(output, 0, COMP_BUF_SIZE);
3211 		memset(decomp_output, 0, COMP_BUF_SIZE);
3212 
3213 		ilen = ctemplate[i].inlen;
3214 		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3215 					   ilen, output, &dlen);
3216 		if (ret) {
3217 			printk(KERN_ERR "alg: comp: compression failed "
3218 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3219 			       -ret);
3220 			goto out;
3221 		}
3222 
3223 		ilen = dlen;
3224 		dlen = COMP_BUF_SIZE;
3225 		ret = crypto_comp_decompress(tfm, output,
3226 					     ilen, decomp_output, &dlen);
3227 		if (ret) {
3228 			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3229 			       i + 1, algo, -ret);
3230 			goto out;
3231 		}
3232 
3233 		if (dlen != ctemplate[i].inlen) {
3234 			printk(KERN_ERR "alg: comp: Compression test %d "
3235 			       "failed for %s: output len = %d\n", i + 1, algo,
3236 			       dlen);
3237 			ret = -EINVAL;
3238 			goto out;
3239 		}
3240 
3241 		if (memcmp(decomp_output, ctemplate[i].input,
3242 			   ctemplate[i].inlen)) {
3243 			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3244 			       i + 1, algo);
3245 			hexdump(decomp_output, dlen);
3246 			ret = -EINVAL;
3247 			goto out;
3248 		}
3249 	}
3250 
3251 	for (i = 0; i < dtcount; i++) {
3252 		int ilen;
3253 		unsigned int dlen = COMP_BUF_SIZE;
3254 
3255 		memset(decomp_output, 0, COMP_BUF_SIZE);
3256 
3257 		ilen = dtemplate[i].inlen;
3258 		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3259 					     ilen, decomp_output, &dlen);
3260 		if (ret) {
3261 			printk(KERN_ERR "alg: comp: decompression failed "
3262 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3263 			       -ret);
3264 			goto out;
3265 		}
3266 
3267 		if (dlen != dtemplate[i].outlen) {
3268 			printk(KERN_ERR "alg: comp: Decompression test %d "
3269 			       "failed for %s: output len = %d\n", i + 1, algo,
3270 			       dlen);
3271 			ret = -EINVAL;
3272 			goto out;
3273 		}
3274 
3275 		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3276 			printk(KERN_ERR "alg: comp: Decompression test %d "
3277 			       "failed for %s\n", i + 1, algo);
3278 			hexdump(decomp_output, dlen);
3279 			ret = -EINVAL;
3280 			goto out;
3281 		}
3282 	}
3283 
3284 	ret = 0;
3285 
3286 out:
3287 	kfree(decomp_output);
3288 	kfree(output);
3289 	return ret;
3290 }
3291 
test_acomp(struct crypto_acomp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3292 static int test_acomp(struct crypto_acomp *tfm,
3293 			      const struct comp_testvec *ctemplate,
3294 		      const struct comp_testvec *dtemplate,
3295 		      int ctcount, int dtcount)
3296 {
3297 	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3298 	unsigned int i;
3299 	char *output, *decomp_out;
3300 	int ret;
3301 	struct scatterlist src, dst;
3302 	struct acomp_req *req;
3303 	struct crypto_wait wait;
3304 
3305 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3306 	if (!output)
3307 		return -ENOMEM;
3308 
3309 	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3310 	if (!decomp_out) {
3311 		kfree(output);
3312 		return -ENOMEM;
3313 	}
3314 
3315 	for (i = 0; i < ctcount; i++) {
3316 		unsigned int dlen = COMP_BUF_SIZE;
3317 		int ilen = ctemplate[i].inlen;
3318 		void *input_vec;
3319 
3320 		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3321 		if (!input_vec) {
3322 			ret = -ENOMEM;
3323 			goto out;
3324 		}
3325 
3326 		memset(output, 0, dlen);
3327 		crypto_init_wait(&wait);
3328 		sg_init_one(&src, input_vec, ilen);
3329 		sg_init_one(&dst, output, dlen);
3330 
3331 		req = acomp_request_alloc(tfm);
3332 		if (!req) {
3333 			pr_err("alg: acomp: request alloc failed for %s\n",
3334 			       algo);
3335 			kfree(input_vec);
3336 			ret = -ENOMEM;
3337 			goto out;
3338 		}
3339 
3340 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3341 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3342 					   crypto_req_done, &wait);
3343 
3344 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3345 		if (ret) {
3346 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3347 			       i + 1, algo, -ret);
3348 			kfree(input_vec);
3349 			acomp_request_free(req);
3350 			goto out;
3351 		}
3352 
3353 		ilen = req->dlen;
3354 		dlen = COMP_BUF_SIZE;
3355 		sg_init_one(&src, output, ilen);
3356 		sg_init_one(&dst, decomp_out, dlen);
3357 		crypto_init_wait(&wait);
3358 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3359 
3360 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3361 		if (ret) {
3362 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3363 			       i + 1, algo, -ret);
3364 			kfree(input_vec);
3365 			acomp_request_free(req);
3366 			goto out;
3367 		}
3368 
3369 		if (req->dlen != ctemplate[i].inlen) {
3370 			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3371 			       i + 1, algo, req->dlen);
3372 			ret = -EINVAL;
3373 			kfree(input_vec);
3374 			acomp_request_free(req);
3375 			goto out;
3376 		}
3377 
3378 		if (memcmp(input_vec, decomp_out, req->dlen)) {
3379 			pr_err("alg: acomp: Compression test %d failed for %s\n",
3380 			       i + 1, algo);
3381 			hexdump(output, req->dlen);
3382 			ret = -EINVAL;
3383 			kfree(input_vec);
3384 			acomp_request_free(req);
3385 			goto out;
3386 		}
3387 
3388 		kfree(input_vec);
3389 		acomp_request_free(req);
3390 	}
3391 
3392 	for (i = 0; i < dtcount; i++) {
3393 		unsigned int dlen = COMP_BUF_SIZE;
3394 		int ilen = dtemplate[i].inlen;
3395 		void *input_vec;
3396 
3397 		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3398 		if (!input_vec) {
3399 			ret = -ENOMEM;
3400 			goto out;
3401 		}
3402 
3403 		memset(output, 0, dlen);
3404 		crypto_init_wait(&wait);
3405 		sg_init_one(&src, input_vec, ilen);
3406 		sg_init_one(&dst, output, dlen);
3407 
3408 		req = acomp_request_alloc(tfm);
3409 		if (!req) {
3410 			pr_err("alg: acomp: request alloc failed for %s\n",
3411 			       algo);
3412 			kfree(input_vec);
3413 			ret = -ENOMEM;
3414 			goto out;
3415 		}
3416 
3417 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3418 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3419 					   crypto_req_done, &wait);
3420 
3421 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3422 		if (ret) {
3423 			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3424 			       i + 1, algo, -ret);
3425 			kfree(input_vec);
3426 			acomp_request_free(req);
3427 			goto out;
3428 		}
3429 
3430 		if (req->dlen != dtemplate[i].outlen) {
3431 			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3432 			       i + 1, algo, req->dlen);
3433 			ret = -EINVAL;
3434 			kfree(input_vec);
3435 			acomp_request_free(req);
3436 			goto out;
3437 		}
3438 
3439 		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3440 			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3441 			       i + 1, algo);
3442 			hexdump(output, req->dlen);
3443 			ret = -EINVAL;
3444 			kfree(input_vec);
3445 			acomp_request_free(req);
3446 			goto out;
3447 		}
3448 
3449 		kfree(input_vec);
3450 		acomp_request_free(req);
3451 	}
3452 
3453 	ret = 0;
3454 
3455 out:
3456 	kfree(decomp_out);
3457 	kfree(output);
3458 	return ret;
3459 }
3460 
test_cprng(struct crypto_rng * tfm,const struct cprng_testvec * template,unsigned int tcount)3461 static int test_cprng(struct crypto_rng *tfm,
3462 		      const struct cprng_testvec *template,
3463 		      unsigned int tcount)
3464 {
3465 	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3466 	int err = 0, i, j, seedsize;
3467 	u8 *seed;
3468 	char result[32];
3469 
3470 	seedsize = crypto_rng_seedsize(tfm);
3471 
3472 	seed = kmalloc(seedsize, GFP_KERNEL);
3473 	if (!seed) {
3474 		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3475 		       "for %s\n", algo);
3476 		return -ENOMEM;
3477 	}
3478 
3479 	for (i = 0; i < tcount; i++) {
3480 		memset(result, 0, 32);
3481 
3482 		memcpy(seed, template[i].v, template[i].vlen);
3483 		memcpy(seed + template[i].vlen, template[i].key,
3484 		       template[i].klen);
3485 		memcpy(seed + template[i].vlen + template[i].klen,
3486 		       template[i].dt, template[i].dtlen);
3487 
3488 		err = crypto_rng_reset(tfm, seed, seedsize);
3489 		if (err) {
3490 			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3491 			       "for %s\n", algo);
3492 			goto out;
3493 		}
3494 
3495 		for (j = 0; j < template[i].loops; j++) {
3496 			err = crypto_rng_get_bytes(tfm, result,
3497 						   template[i].rlen);
3498 			if (err < 0) {
3499 				printk(KERN_ERR "alg: cprng: Failed to obtain "
3500 				       "the correct amount of random data for "
3501 				       "%s (requested %d)\n", algo,
3502 				       template[i].rlen);
3503 				goto out;
3504 			}
3505 		}
3506 
3507 		err = memcmp(result, template[i].result,
3508 			     template[i].rlen);
3509 		if (err) {
3510 			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3511 			       i, algo);
3512 			hexdump(result, template[i].rlen);
3513 			err = -EINVAL;
3514 			goto out;
3515 		}
3516 	}
3517 
3518 out:
3519 	kfree(seed);
3520 	return err;
3521 }
3522 
alg_test_cipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3523 static int alg_test_cipher(const struct alg_test_desc *desc,
3524 			   const char *driver, u32 type, u32 mask)
3525 {
3526 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3527 	struct crypto_cipher *tfm;
3528 	int err;
3529 
3530 	tfm = crypto_alloc_cipher(driver, type, mask);
3531 	if (IS_ERR(tfm)) {
3532 		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3533 		       "%s: %ld\n", driver, PTR_ERR(tfm));
3534 		return PTR_ERR(tfm);
3535 	}
3536 
3537 	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3538 	if (!err)
3539 		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3540 
3541 	crypto_free_cipher(tfm);
3542 	return err;
3543 }
3544 
alg_test_comp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3545 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3546 			 u32 type, u32 mask)
3547 {
3548 	struct crypto_comp *comp;
3549 	struct crypto_acomp *acomp;
3550 	int err;
3551 	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3552 
3553 	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3554 		acomp = crypto_alloc_acomp(driver, type, mask);
3555 		if (IS_ERR(acomp)) {
3556 			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3557 			       driver, PTR_ERR(acomp));
3558 			return PTR_ERR(acomp);
3559 		}
3560 		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3561 				 desc->suite.comp.decomp.vecs,
3562 				 desc->suite.comp.comp.count,
3563 				 desc->suite.comp.decomp.count);
3564 		crypto_free_acomp(acomp);
3565 	} else {
3566 		comp = crypto_alloc_comp(driver, type, mask);
3567 		if (IS_ERR(comp)) {
3568 			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3569 			       driver, PTR_ERR(comp));
3570 			return PTR_ERR(comp);
3571 		}
3572 
3573 		err = test_comp(comp, desc->suite.comp.comp.vecs,
3574 				desc->suite.comp.decomp.vecs,
3575 				desc->suite.comp.comp.count,
3576 				desc->suite.comp.decomp.count);
3577 
3578 		crypto_free_comp(comp);
3579 	}
3580 	return err;
3581 }
3582 
alg_test_crc32c(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3583 static int alg_test_crc32c(const struct alg_test_desc *desc,
3584 			   const char *driver, u32 type, u32 mask)
3585 {
3586 	struct crypto_shash *tfm;
3587 	__le32 val;
3588 	int err;
3589 
3590 	err = alg_test_hash(desc, driver, type, mask);
3591 	if (err)
3592 		return err;
3593 
3594 	tfm = crypto_alloc_shash(driver, type, mask);
3595 	if (IS_ERR(tfm)) {
3596 		if (PTR_ERR(tfm) == -ENOENT) {
3597 			/*
3598 			 * This crc32c implementation is only available through
3599 			 * ahash API, not the shash API, so the remaining part
3600 			 * of the test is not applicable to it.
3601 			 */
3602 			return 0;
3603 		}
3604 		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3605 		       "%ld\n", driver, PTR_ERR(tfm));
3606 		return PTR_ERR(tfm);
3607 	}
3608 
3609 	do {
3610 		SHASH_DESC_ON_STACK(shash, tfm);
3611 		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3612 
3613 		shash->tfm = tfm;
3614 
3615 		*ctx = 420553207;
3616 		err = crypto_shash_final(shash, (u8 *)&val);
3617 		if (err) {
3618 			printk(KERN_ERR "alg: crc32c: Operation failed for "
3619 			       "%s: %d\n", driver, err);
3620 			break;
3621 		}
3622 
3623 		if (val != cpu_to_le32(~420553207)) {
3624 			pr_err("alg: crc32c: Test failed for %s: %u\n",
3625 			       driver, le32_to_cpu(val));
3626 			err = -EINVAL;
3627 		}
3628 	} while (0);
3629 
3630 	crypto_free_shash(tfm);
3631 
3632 	return err;
3633 }
3634 
alg_test_cprng(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3635 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3636 			  u32 type, u32 mask)
3637 {
3638 	struct crypto_rng *rng;
3639 	int err;
3640 
3641 	rng = crypto_alloc_rng(driver, type, mask);
3642 	if (IS_ERR(rng)) {
3643 		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3644 		       "%ld\n", driver, PTR_ERR(rng));
3645 		return PTR_ERR(rng);
3646 	}
3647 
3648 	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3649 
3650 	crypto_free_rng(rng);
3651 
3652 	return err;
3653 }
3654 
3655 
drbg_cavs_test(const struct drbg_testvec * test,int pr,const char * driver,u32 type,u32 mask)3656 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3657 			  const char *driver, u32 type, u32 mask)
3658 {
3659 	int ret = -EAGAIN;
3660 	struct crypto_rng *drng;
3661 	struct drbg_test_data test_data;
3662 	struct drbg_string addtl, pers, testentropy;
3663 	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3664 
3665 	if (!buf)
3666 		return -ENOMEM;
3667 
3668 	drng = crypto_alloc_rng(driver, type, mask);
3669 	if (IS_ERR(drng)) {
3670 		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3671 		       "%s\n", driver);
3672 		kfree_sensitive(buf);
3673 		return -ENOMEM;
3674 	}
3675 
3676 	test_data.testentropy = &testentropy;
3677 	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3678 	drbg_string_fill(&pers, test->pers, test->perslen);
3679 	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3680 	if (ret) {
3681 		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3682 		goto outbuf;
3683 	}
3684 
3685 	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3686 	if (pr) {
3687 		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3688 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3689 			buf, test->expectedlen, &addtl,	&test_data);
3690 	} else {
3691 		ret = crypto_drbg_get_bytes_addtl(drng,
3692 			buf, test->expectedlen, &addtl);
3693 	}
3694 	if (ret < 0) {
3695 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3696 		       "driver %s\n", driver);
3697 		goto outbuf;
3698 	}
3699 
3700 	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3701 	if (pr) {
3702 		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3703 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3704 			buf, test->expectedlen, &addtl, &test_data);
3705 	} else {
3706 		ret = crypto_drbg_get_bytes_addtl(drng,
3707 			buf, test->expectedlen, &addtl);
3708 	}
3709 	if (ret < 0) {
3710 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3711 		       "driver %s\n", driver);
3712 		goto outbuf;
3713 	}
3714 
3715 	ret = memcmp(test->expected, buf, test->expectedlen);
3716 
3717 outbuf:
3718 	crypto_free_rng(drng);
3719 	kfree_sensitive(buf);
3720 	return ret;
3721 }
3722 
3723 
alg_test_drbg(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3724 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3725 			 u32 type, u32 mask)
3726 {
3727 	int err = 0;
3728 	int pr = 0;
3729 	int i = 0;
3730 	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3731 	unsigned int tcount = desc->suite.drbg.count;
3732 
3733 	if (0 == memcmp(driver, "drbg_pr_", 8))
3734 		pr = 1;
3735 
3736 	for (i = 0; i < tcount; i++) {
3737 		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3738 		if (err) {
3739 			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3740 			       i, driver);
3741 			err = -EINVAL;
3742 			break;
3743 		}
3744 	}
3745 	return err;
3746 
3747 }
3748 
do_test_kpp(struct crypto_kpp * tfm,const struct kpp_testvec * vec,const char * alg)3749 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3750 		       const char *alg)
3751 {
3752 	struct kpp_request *req;
3753 	void *input_buf = NULL;
3754 	void *output_buf = NULL;
3755 	void *a_public = NULL;
3756 	void *a_ss = NULL;
3757 	void *shared_secret = NULL;
3758 	struct crypto_wait wait;
3759 	unsigned int out_len_max;
3760 	int err = -ENOMEM;
3761 	struct scatterlist src, dst;
3762 
3763 	req = kpp_request_alloc(tfm, GFP_KERNEL);
3764 	if (!req)
3765 		return err;
3766 
3767 	crypto_init_wait(&wait);
3768 
3769 	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3770 	if (err < 0)
3771 		goto free_req;
3772 
3773 	out_len_max = crypto_kpp_maxsize(tfm);
3774 	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3775 	if (!output_buf) {
3776 		err = -ENOMEM;
3777 		goto free_req;
3778 	}
3779 
3780 	/* Use appropriate parameter as base */
3781 	kpp_request_set_input(req, NULL, 0);
3782 	sg_init_one(&dst, output_buf, out_len_max);
3783 	kpp_request_set_output(req, &dst, out_len_max);
3784 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3785 				 crypto_req_done, &wait);
3786 
3787 	/* Compute party A's public key */
3788 	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3789 	if (err) {
3790 		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3791 		       alg, err);
3792 		goto free_output;
3793 	}
3794 
3795 	if (vec->genkey) {
3796 		/* Save party A's public key */
3797 		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3798 		if (!a_public) {
3799 			err = -ENOMEM;
3800 			goto free_output;
3801 		}
3802 	} else {
3803 		/* Verify calculated public key */
3804 		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3805 			   vec->expected_a_public_size)) {
3806 			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3807 			       alg);
3808 			err = -EINVAL;
3809 			goto free_output;
3810 		}
3811 	}
3812 
3813 	/* Calculate shared secret key by using counter part (b) public key. */
3814 	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3815 	if (!input_buf) {
3816 		err = -ENOMEM;
3817 		goto free_output;
3818 	}
3819 
3820 	sg_init_one(&src, input_buf, vec->b_public_size);
3821 	sg_init_one(&dst, output_buf, out_len_max);
3822 	kpp_request_set_input(req, &src, vec->b_public_size);
3823 	kpp_request_set_output(req, &dst, out_len_max);
3824 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3825 				 crypto_req_done, &wait);
3826 	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3827 	if (err) {
3828 		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3829 		       alg, err);
3830 		goto free_all;
3831 	}
3832 
3833 	if (vec->genkey) {
3834 		/* Save the shared secret obtained by party A */
3835 		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3836 		if (!a_ss) {
3837 			err = -ENOMEM;
3838 			goto free_all;
3839 		}
3840 
3841 		/*
3842 		 * Calculate party B's shared secret by using party A's
3843 		 * public key.
3844 		 */
3845 		err = crypto_kpp_set_secret(tfm, vec->b_secret,
3846 					    vec->b_secret_size);
3847 		if (err < 0)
3848 			goto free_all;
3849 
3850 		sg_init_one(&src, a_public, vec->expected_a_public_size);
3851 		sg_init_one(&dst, output_buf, out_len_max);
3852 		kpp_request_set_input(req, &src, vec->expected_a_public_size);
3853 		kpp_request_set_output(req, &dst, out_len_max);
3854 		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3855 					 crypto_req_done, &wait);
3856 		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3857 				      &wait);
3858 		if (err) {
3859 			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3860 			       alg, err);
3861 			goto free_all;
3862 		}
3863 
3864 		shared_secret = a_ss;
3865 	} else {
3866 		shared_secret = (void *)vec->expected_ss;
3867 	}
3868 
3869 	/*
3870 	 * verify shared secret from which the user will derive
3871 	 * secret key by executing whatever hash it has chosen
3872 	 */
3873 	if (memcmp(shared_secret, sg_virt(req->dst),
3874 		   vec->expected_ss_size)) {
3875 		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3876 		       alg);
3877 		err = -EINVAL;
3878 	}
3879 
3880 free_all:
3881 	kfree(a_ss);
3882 	kfree(input_buf);
3883 free_output:
3884 	kfree(a_public);
3885 	kfree(output_buf);
3886 free_req:
3887 	kpp_request_free(req);
3888 	return err;
3889 }
3890 
test_kpp(struct crypto_kpp * tfm,const char * alg,const struct kpp_testvec * vecs,unsigned int tcount)3891 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3892 		    const struct kpp_testvec *vecs, unsigned int tcount)
3893 {
3894 	int ret, i;
3895 
3896 	for (i = 0; i < tcount; i++) {
3897 		ret = do_test_kpp(tfm, vecs++, alg);
3898 		if (ret) {
3899 			pr_err("alg: %s: test failed on vector %d, err=%d\n",
3900 			       alg, i + 1, ret);
3901 			return ret;
3902 		}
3903 	}
3904 	return 0;
3905 }
3906 
alg_test_kpp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3907 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3908 			u32 type, u32 mask)
3909 {
3910 	struct crypto_kpp *tfm;
3911 	int err = 0;
3912 
3913 	tfm = crypto_alloc_kpp(driver, type, mask);
3914 	if (IS_ERR(tfm)) {
3915 		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3916 		       driver, PTR_ERR(tfm));
3917 		return PTR_ERR(tfm);
3918 	}
3919 	if (desc->suite.kpp.vecs)
3920 		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3921 			       desc->suite.kpp.count);
3922 
3923 	crypto_free_kpp(tfm);
3924 	return err;
3925 }
3926 
test_pack_u32(u8 * dst,u32 val)3927 static u8 *test_pack_u32(u8 *dst, u32 val)
3928 {
3929 	memcpy(dst, &val, sizeof(val));
3930 	return dst + sizeof(val);
3931 }
3932 
test_akcipher_one(struct crypto_akcipher * tfm,const struct akcipher_testvec * vecs)3933 static int test_akcipher_one(struct crypto_akcipher *tfm,
3934 			     const struct akcipher_testvec *vecs)
3935 {
3936 	char *xbuf[XBUFSIZE];
3937 	struct akcipher_request *req;
3938 	void *outbuf_enc = NULL;
3939 	void *outbuf_dec = NULL;
3940 	struct crypto_wait wait;
3941 	unsigned int out_len_max, out_len = 0;
3942 	int err = -ENOMEM;
3943 	struct scatterlist src, dst, src_tab[3];
3944 	const char *m, *c;
3945 	unsigned int m_size, c_size;
3946 	const char *op;
3947 	u8 *key, *ptr;
3948 
3949 	if (testmgr_alloc_buf(xbuf))
3950 		return err;
3951 
3952 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
3953 	if (!req)
3954 		goto free_xbuf;
3955 
3956 	crypto_init_wait(&wait);
3957 
3958 	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
3959 		      GFP_KERNEL);
3960 	if (!key)
3961 		goto free_req;
3962 	memcpy(key, vecs->key, vecs->key_len);
3963 	ptr = key + vecs->key_len;
3964 	ptr = test_pack_u32(ptr, vecs->algo);
3965 	ptr = test_pack_u32(ptr, vecs->param_len);
3966 	memcpy(ptr, vecs->params, vecs->param_len);
3967 
3968 	if (vecs->public_key_vec)
3969 		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
3970 	else
3971 		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
3972 	if (err)
3973 		goto free_key;
3974 
3975 	/*
3976 	 * First run test which do not require a private key, such as
3977 	 * encrypt or verify.
3978 	 */
3979 	err = -ENOMEM;
3980 	out_len_max = crypto_akcipher_maxsize(tfm);
3981 	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
3982 	if (!outbuf_enc)
3983 		goto free_key;
3984 
3985 	if (!vecs->siggen_sigver_test) {
3986 		m = vecs->m;
3987 		m_size = vecs->m_size;
3988 		c = vecs->c;
3989 		c_size = vecs->c_size;
3990 		op = "encrypt";
3991 	} else {
3992 		/* Swap args so we could keep plaintext (digest)
3993 		 * in vecs->m, and cooked signature in vecs->c.
3994 		 */
3995 		m = vecs->c; /* signature */
3996 		m_size = vecs->c_size;
3997 		c = vecs->m; /* digest */
3998 		c_size = vecs->m_size;
3999 		op = "verify";
4000 	}
4001 
4002 	err = -E2BIG;
4003 	if (WARN_ON(m_size > PAGE_SIZE))
4004 		goto free_all;
4005 	memcpy(xbuf[0], m, m_size);
4006 
4007 	sg_init_table(src_tab, 3);
4008 	sg_set_buf(&src_tab[0], xbuf[0], 8);
4009 	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4010 	if (vecs->siggen_sigver_test) {
4011 		if (WARN_ON(c_size > PAGE_SIZE))
4012 			goto free_all;
4013 		memcpy(xbuf[1], c, c_size);
4014 		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4015 		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4016 	} else {
4017 		sg_init_one(&dst, outbuf_enc, out_len_max);
4018 		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4019 					   out_len_max);
4020 	}
4021 	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4022 				      crypto_req_done, &wait);
4023 
4024 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4025 			      /* Run asymmetric signature verification */
4026 			      crypto_akcipher_verify(req) :
4027 			      /* Run asymmetric encrypt */
4028 			      crypto_akcipher_encrypt(req), &wait);
4029 	if (err) {
4030 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4031 		goto free_all;
4032 	}
4033 	if (!vecs->siggen_sigver_test && c) {
4034 		if (req->dst_len != c_size) {
4035 			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4036 			       op);
4037 			err = -EINVAL;
4038 			goto free_all;
4039 		}
4040 		/* verify that encrypted message is equal to expected */
4041 		if (memcmp(c, outbuf_enc, c_size) != 0) {
4042 			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4043 			       op);
4044 			hexdump(outbuf_enc, c_size);
4045 			err = -EINVAL;
4046 			goto free_all;
4047 		}
4048 	}
4049 
4050 	/*
4051 	 * Don't invoke (decrypt or sign) test which require a private key
4052 	 * for vectors with only a public key.
4053 	 */
4054 	if (vecs->public_key_vec) {
4055 		err = 0;
4056 		goto free_all;
4057 	}
4058 	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4059 	if (!outbuf_dec) {
4060 		err = -ENOMEM;
4061 		goto free_all;
4062 	}
4063 
4064 	if (!vecs->siggen_sigver_test && !c) {
4065 		c = outbuf_enc;
4066 		c_size = req->dst_len;
4067 	}
4068 
4069 	err = -E2BIG;
4070 	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4071 	if (WARN_ON(c_size > PAGE_SIZE))
4072 		goto free_all;
4073 	memcpy(xbuf[0], c, c_size);
4074 
4075 	sg_init_one(&src, xbuf[0], c_size);
4076 	sg_init_one(&dst, outbuf_dec, out_len_max);
4077 	crypto_init_wait(&wait);
4078 	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4079 
4080 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4081 			      /* Run asymmetric signature generation */
4082 			      crypto_akcipher_sign(req) :
4083 			      /* Run asymmetric decrypt */
4084 			      crypto_akcipher_decrypt(req), &wait);
4085 	if (err) {
4086 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4087 		goto free_all;
4088 	}
4089 	out_len = req->dst_len;
4090 	if (out_len < m_size) {
4091 		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4092 		       op, out_len);
4093 		err = -EINVAL;
4094 		goto free_all;
4095 	}
4096 	/* verify that decrypted message is equal to the original msg */
4097 	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4098 	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4099 		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4100 		hexdump(outbuf_dec, out_len);
4101 		err = -EINVAL;
4102 	}
4103 free_all:
4104 	kfree(outbuf_dec);
4105 	kfree(outbuf_enc);
4106 free_key:
4107 	kfree(key);
4108 free_req:
4109 	akcipher_request_free(req);
4110 free_xbuf:
4111 	testmgr_free_buf(xbuf);
4112 	return err;
4113 }
4114 
test_akcipher(struct crypto_akcipher * tfm,const char * alg,const struct akcipher_testvec * vecs,unsigned int tcount)4115 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4116 			 const struct akcipher_testvec *vecs,
4117 			 unsigned int tcount)
4118 {
4119 	const char *algo =
4120 		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4121 	int ret, i;
4122 
4123 	for (i = 0; i < tcount; i++) {
4124 		ret = test_akcipher_one(tfm, vecs++);
4125 		if (!ret)
4126 			continue;
4127 
4128 		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4129 		       i + 1, algo, ret);
4130 		return ret;
4131 	}
4132 	return 0;
4133 }
4134 
alg_test_akcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4135 static int alg_test_akcipher(const struct alg_test_desc *desc,
4136 			     const char *driver, u32 type, u32 mask)
4137 {
4138 	struct crypto_akcipher *tfm;
4139 	int err = 0;
4140 
4141 	tfm = crypto_alloc_akcipher(driver, type, mask);
4142 	if (IS_ERR(tfm)) {
4143 		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4144 		       driver, PTR_ERR(tfm));
4145 		return PTR_ERR(tfm);
4146 	}
4147 	if (desc->suite.akcipher.vecs)
4148 		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4149 				    desc->suite.akcipher.count);
4150 
4151 	crypto_free_akcipher(tfm);
4152 	return err;
4153 }
4154 
alg_test_null(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4155 static int alg_test_null(const struct alg_test_desc *desc,
4156 			     const char *driver, u32 type, u32 mask)
4157 {
4158 	return 0;
4159 }
4160 
4161 #define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4162 #define __VECS(tv)	{ ____VECS(tv) }
4163 
4164 /* Please keep this list sorted by algorithm name. */
4165 static const struct alg_test_desc alg_test_descs[] = {
4166 	{
4167 		.alg = "adiantum(xchacha12,aes)",
4168 		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4169 		.test = alg_test_skcipher,
4170 		.suite = {
4171 			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4172 		},
4173 	}, {
4174 		.alg = "adiantum(xchacha20,aes)",
4175 		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4176 		.test = alg_test_skcipher,
4177 		.suite = {
4178 			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4179 		},
4180 	}, {
4181 		.alg = "aegis128",
4182 		.test = alg_test_aead,
4183 		.suite = {
4184 			.aead = __VECS(aegis128_tv_template)
4185 		}
4186 	}, {
4187 		.alg = "ansi_cprng",
4188 		.test = alg_test_cprng,
4189 		.suite = {
4190 			.cprng = __VECS(ansi_cprng_aes_tv_template)
4191 		}
4192 	}, {
4193 		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4194 		.test = alg_test_aead,
4195 		.suite = {
4196 			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4197 		}
4198 	}, {
4199 		.alg = "authenc(hmac(sha1),cbc(aes))",
4200 		.test = alg_test_aead,
4201 		.fips_allowed = 1,
4202 		.suite = {
4203 			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4204 		}
4205 	}, {
4206 		.alg = "authenc(hmac(sha1),cbc(des))",
4207 		.test = alg_test_aead,
4208 		.suite = {
4209 			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4210 		}
4211 	}, {
4212 		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4213 		.test = alg_test_aead,
4214 		.fips_allowed = 1,
4215 		.suite = {
4216 			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4217 		}
4218 	}, {
4219 		.alg = "authenc(hmac(sha1),ctr(aes))",
4220 		.test = alg_test_null,
4221 		.fips_allowed = 1,
4222 	}, {
4223 		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4224 		.test = alg_test_aead,
4225 		.suite = {
4226 			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4227 		}
4228 	}, {
4229 		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4230 		.test = alg_test_null,
4231 		.fips_allowed = 1,
4232 	}, {
4233 		.alg = "authenc(hmac(sha224),cbc(des))",
4234 		.test = alg_test_aead,
4235 		.suite = {
4236 			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4237 		}
4238 	}, {
4239 		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4240 		.test = alg_test_aead,
4241 		.fips_allowed = 1,
4242 		.suite = {
4243 			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4244 		}
4245 	}, {
4246 		.alg = "authenc(hmac(sha256),cbc(aes))",
4247 		.test = alg_test_aead,
4248 		.fips_allowed = 1,
4249 		.suite = {
4250 			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4251 		}
4252 	}, {
4253 		.alg = "authenc(hmac(sha256),cbc(des))",
4254 		.test = alg_test_aead,
4255 		.suite = {
4256 			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4257 		}
4258 	}, {
4259 		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4260 		.test = alg_test_aead,
4261 		.fips_allowed = 1,
4262 		.suite = {
4263 			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4264 		}
4265 	}, {
4266 		.alg = "authenc(hmac(sha256),ctr(aes))",
4267 		.test = alg_test_null,
4268 		.fips_allowed = 1,
4269 	}, {
4270 		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4271 		.test = alg_test_null,
4272 		.fips_allowed = 1,
4273 	}, {
4274 		.alg = "authenc(hmac(sha384),cbc(des))",
4275 		.test = alg_test_aead,
4276 		.suite = {
4277 			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4278 		}
4279 	}, {
4280 		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4281 		.test = alg_test_aead,
4282 		.fips_allowed = 1,
4283 		.suite = {
4284 			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4285 		}
4286 	}, {
4287 		.alg = "authenc(hmac(sha384),ctr(aes))",
4288 		.test = alg_test_null,
4289 		.fips_allowed = 1,
4290 	}, {
4291 		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4292 		.test = alg_test_null,
4293 		.fips_allowed = 1,
4294 	}, {
4295 		.alg = "authenc(hmac(sha512),cbc(aes))",
4296 		.fips_allowed = 1,
4297 		.test = alg_test_aead,
4298 		.suite = {
4299 			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4300 		}
4301 	}, {
4302 		.alg = "authenc(hmac(sha512),cbc(des))",
4303 		.test = alg_test_aead,
4304 		.suite = {
4305 			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4306 		}
4307 	}, {
4308 		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4309 		.test = alg_test_aead,
4310 		.fips_allowed = 1,
4311 		.suite = {
4312 			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4313 		}
4314 	}, {
4315 		.alg = "authenc(hmac(sha512),ctr(aes))",
4316 		.test = alg_test_null,
4317 		.fips_allowed = 1,
4318 	}, {
4319 		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4320 		.test = alg_test_null,
4321 		.fips_allowed = 1,
4322 	}, {
4323 		.alg = "blake2b-160",
4324 		.test = alg_test_hash,
4325 		.fips_allowed = 0,
4326 		.suite = {
4327 			.hash = __VECS(blake2b_160_tv_template)
4328 		}
4329 	}, {
4330 		.alg = "blake2b-256",
4331 		.test = alg_test_hash,
4332 		.fips_allowed = 0,
4333 		.suite = {
4334 			.hash = __VECS(blake2b_256_tv_template)
4335 		}
4336 	}, {
4337 		.alg = "blake2b-384",
4338 		.test = alg_test_hash,
4339 		.fips_allowed = 0,
4340 		.suite = {
4341 			.hash = __VECS(blake2b_384_tv_template)
4342 		}
4343 	}, {
4344 		.alg = "blake2b-512",
4345 		.test = alg_test_hash,
4346 		.fips_allowed = 0,
4347 		.suite = {
4348 			.hash = __VECS(blake2b_512_tv_template)
4349 		}
4350 	}, {
4351 		.alg = "blake2s-128",
4352 		.test = alg_test_hash,
4353 		.suite = {
4354 			.hash = __VECS(blakes2s_128_tv_template)
4355 		}
4356 	}, {
4357 		.alg = "blake2s-160",
4358 		.test = alg_test_hash,
4359 		.suite = {
4360 			.hash = __VECS(blakes2s_160_tv_template)
4361 		}
4362 	}, {
4363 		.alg = "blake2s-224",
4364 		.test = alg_test_hash,
4365 		.suite = {
4366 			.hash = __VECS(blakes2s_224_tv_template)
4367 		}
4368 	}, {
4369 		.alg = "blake2s-256",
4370 		.test = alg_test_hash,
4371 		.suite = {
4372 			.hash = __VECS(blakes2s_256_tv_template)
4373 		}
4374 	}, {
4375 		.alg = "cbc(aes)",
4376 		.test = alg_test_skcipher,
4377 		.fips_allowed = 1,
4378 		.suite = {
4379 			.cipher = __VECS(aes_cbc_tv_template)
4380 		},
4381 	}, {
4382 		.alg = "cbc(anubis)",
4383 		.test = alg_test_skcipher,
4384 		.suite = {
4385 			.cipher = __VECS(anubis_cbc_tv_template)
4386 		},
4387 	}, {
4388 		.alg = "cbc(blowfish)",
4389 		.test = alg_test_skcipher,
4390 		.suite = {
4391 			.cipher = __VECS(bf_cbc_tv_template)
4392 		},
4393 	}, {
4394 		.alg = "cbc(camellia)",
4395 		.test = alg_test_skcipher,
4396 		.suite = {
4397 			.cipher = __VECS(camellia_cbc_tv_template)
4398 		},
4399 	}, {
4400 		.alg = "cbc(cast5)",
4401 		.test = alg_test_skcipher,
4402 		.suite = {
4403 			.cipher = __VECS(cast5_cbc_tv_template)
4404 		},
4405 	}, {
4406 		.alg = "cbc(cast6)",
4407 		.test = alg_test_skcipher,
4408 		.suite = {
4409 			.cipher = __VECS(cast6_cbc_tv_template)
4410 		},
4411 	}, {
4412 		.alg = "cbc(des)",
4413 		.test = alg_test_skcipher,
4414 		.suite = {
4415 			.cipher = __VECS(des_cbc_tv_template)
4416 		},
4417 	}, {
4418 		.alg = "cbc(des3_ede)",
4419 		.test = alg_test_skcipher,
4420 		.fips_allowed = 1,
4421 		.suite = {
4422 			.cipher = __VECS(des3_ede_cbc_tv_template)
4423 		},
4424 	}, {
4425 		/* Same as cbc(aes) except the key is stored in
4426 		 * hardware secure memory which we reference by index
4427 		 */
4428 		.alg = "cbc(paes)",
4429 		.test = alg_test_null,
4430 		.fips_allowed = 1,
4431 	}, {
4432 		/* Same as cbc(sm4) except the key is stored in
4433 		 * hardware secure memory which we reference by index
4434 		 */
4435 		.alg = "cbc(psm4)",
4436 		.test = alg_test_null,
4437 	}, {
4438 		.alg = "cbc(serpent)",
4439 		.test = alg_test_skcipher,
4440 		.suite = {
4441 			.cipher = __VECS(serpent_cbc_tv_template)
4442 		},
4443 	}, {
4444 		.alg = "cbc(sm4)",
4445 		.test = alg_test_skcipher,
4446 		.suite = {
4447 			.cipher = __VECS(sm4_cbc_tv_template)
4448 		}
4449 	}, {
4450 		.alg = "cbc(twofish)",
4451 		.test = alg_test_skcipher,
4452 		.suite = {
4453 			.cipher = __VECS(tf_cbc_tv_template)
4454 		},
4455 	}, {
4456 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4457 		.alg = "cbc-paes-s390",
4458 		.fips_allowed = 1,
4459 		.test = alg_test_skcipher,
4460 		.suite = {
4461 			.cipher = __VECS(aes_cbc_tv_template)
4462 		}
4463 	}, {
4464 #endif
4465 		.alg = "cbcmac(aes)",
4466 		.fips_allowed = 1,
4467 		.test = alg_test_hash,
4468 		.suite = {
4469 			.hash = __VECS(aes_cbcmac_tv_template)
4470 		}
4471 	}, {
4472 		.alg = "ccm(aes)",
4473 		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4474 		.test = alg_test_aead,
4475 		.fips_allowed = 1,
4476 		.suite = {
4477 			.aead = {
4478 				____VECS(aes_ccm_tv_template),
4479 				.einval_allowed = 1,
4480 			}
4481 		}
4482 	}, {
4483 		.alg = "cfb(aes)",
4484 		.test = alg_test_skcipher,
4485 		.fips_allowed = 1,
4486 		.suite = {
4487 			.cipher = __VECS(aes_cfb_tv_template)
4488 		},
4489 	}, {
4490 		.alg = "cfb(sm4)",
4491 		.test = alg_test_skcipher,
4492 		.suite = {
4493 			.cipher = __VECS(sm4_cfb_tv_template)
4494 		}
4495 	}, {
4496 		.alg = "chacha20",
4497 		.test = alg_test_skcipher,
4498 		.suite = {
4499 			.cipher = __VECS(chacha20_tv_template)
4500 		},
4501 	}, {
4502 		.alg = "cmac(aes)",
4503 		.fips_allowed = 1,
4504 		.test = alg_test_hash,
4505 		.suite = {
4506 			.hash = __VECS(aes_cmac128_tv_template)
4507 		}
4508 	}, {
4509 		.alg = "cmac(des3_ede)",
4510 		.fips_allowed = 1,
4511 		.test = alg_test_hash,
4512 		.suite = {
4513 			.hash = __VECS(des3_ede_cmac64_tv_template)
4514 		}
4515 	}, {
4516 		.alg = "compress_null",
4517 		.test = alg_test_null,
4518 	}, {
4519 		.alg = "crc32",
4520 		.test = alg_test_hash,
4521 		.fips_allowed = 1,
4522 		.suite = {
4523 			.hash = __VECS(crc32_tv_template)
4524 		}
4525 	}, {
4526 		.alg = "crc32c",
4527 		.test = alg_test_crc32c,
4528 		.fips_allowed = 1,
4529 		.suite = {
4530 			.hash = __VECS(crc32c_tv_template)
4531 		}
4532 	}, {
4533 		.alg = "crct10dif",
4534 		.test = alg_test_hash,
4535 		.fips_allowed = 1,
4536 		.suite = {
4537 			.hash = __VECS(crct10dif_tv_template)
4538 		}
4539 	}, {
4540 		.alg = "ctr(aes)",
4541 		.test = alg_test_skcipher,
4542 		.fips_allowed = 1,
4543 		.suite = {
4544 			.cipher = __VECS(aes_ctr_tv_template)
4545 		}
4546 	}, {
4547 		.alg = "ctr(blowfish)",
4548 		.test = alg_test_skcipher,
4549 		.suite = {
4550 			.cipher = __VECS(bf_ctr_tv_template)
4551 		}
4552 	}, {
4553 		.alg = "ctr(camellia)",
4554 		.test = alg_test_skcipher,
4555 		.suite = {
4556 			.cipher = __VECS(camellia_ctr_tv_template)
4557 		}
4558 	}, {
4559 		.alg = "ctr(cast5)",
4560 		.test = alg_test_skcipher,
4561 		.suite = {
4562 			.cipher = __VECS(cast5_ctr_tv_template)
4563 		}
4564 	}, {
4565 		.alg = "ctr(cast6)",
4566 		.test = alg_test_skcipher,
4567 		.suite = {
4568 			.cipher = __VECS(cast6_ctr_tv_template)
4569 		}
4570 	}, {
4571 		.alg = "ctr(des)",
4572 		.test = alg_test_skcipher,
4573 		.suite = {
4574 			.cipher = __VECS(des_ctr_tv_template)
4575 		}
4576 	}, {
4577 		.alg = "ctr(des3_ede)",
4578 		.test = alg_test_skcipher,
4579 		.fips_allowed = 1,
4580 		.suite = {
4581 			.cipher = __VECS(des3_ede_ctr_tv_template)
4582 		}
4583 	}, {
4584 		/* Same as ctr(aes) except the key is stored in
4585 		 * hardware secure memory which we reference by index
4586 		 */
4587 		.alg = "ctr(paes)",
4588 		.test = alg_test_null,
4589 		.fips_allowed = 1,
4590 	}, {
4591 
4592 		/* Same as ctr(sm4) except the key is stored in
4593 		 * hardware secure memory which we reference by index
4594 		 */
4595 		.alg = "ctr(psm4)",
4596 		.test = alg_test_null,
4597 	}, {
4598 		.alg = "ctr(serpent)",
4599 		.test = alg_test_skcipher,
4600 		.suite = {
4601 			.cipher = __VECS(serpent_ctr_tv_template)
4602 		}
4603 	}, {
4604 		.alg = "ctr(sm4)",
4605 		.test = alg_test_skcipher,
4606 		.suite = {
4607 			.cipher = __VECS(sm4_ctr_tv_template)
4608 		}
4609 	}, {
4610 		.alg = "ctr(twofish)",
4611 		.test = alg_test_skcipher,
4612 		.suite = {
4613 			.cipher = __VECS(tf_ctr_tv_template)
4614 		}
4615 	}, {
4616 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4617 		.alg = "ctr-paes-s390",
4618 		.fips_allowed = 1,
4619 		.test = alg_test_skcipher,
4620 		.suite = {
4621 			.cipher = __VECS(aes_ctr_tv_template)
4622 		}
4623 	}, {
4624 #endif
4625 		.alg = "cts(cbc(aes))",
4626 		.test = alg_test_skcipher,
4627 		.fips_allowed = 1,
4628 		.suite = {
4629 			.cipher = __VECS(cts_mode_tv_template)
4630 		}
4631 	}, {
4632 		/* Same as cts(cbc((aes)) except the key is stored in
4633 		 * hardware secure memory which we reference by index
4634 		 */
4635 		.alg = "cts(cbc(paes))",
4636 		.test = alg_test_null,
4637 		.fips_allowed = 1,
4638 	}, {
4639 		.alg = "curve25519",
4640 		.test = alg_test_kpp,
4641 		.suite = {
4642 			.kpp = __VECS(curve25519_tv_template)
4643 		}
4644 	}, {
4645 		.alg = "deflate",
4646 		.test = alg_test_comp,
4647 		.fips_allowed = 1,
4648 		.suite = {
4649 			.comp = {
4650 				.comp = __VECS(deflate_comp_tv_template),
4651 				.decomp = __VECS(deflate_decomp_tv_template)
4652 			}
4653 		}
4654 	}, {
4655 		.alg = "dh",
4656 		.test = alg_test_kpp,
4657 		.fips_allowed = 1,
4658 		.suite = {
4659 			.kpp = __VECS(dh_tv_template)
4660 		}
4661 	}, {
4662 		.alg = "digest_null",
4663 		.test = alg_test_null,
4664 	}, {
4665 		.alg = "drbg_nopr_ctr_aes128",
4666 		.test = alg_test_drbg,
4667 		.fips_allowed = 1,
4668 		.suite = {
4669 			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4670 		}
4671 	}, {
4672 		.alg = "drbg_nopr_ctr_aes192",
4673 		.test = alg_test_drbg,
4674 		.fips_allowed = 1,
4675 		.suite = {
4676 			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4677 		}
4678 	}, {
4679 		.alg = "drbg_nopr_ctr_aes256",
4680 		.test = alg_test_drbg,
4681 		.fips_allowed = 1,
4682 		.suite = {
4683 			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4684 		}
4685 	}, {
4686 		/*
4687 		 * There is no need to specifically test the DRBG with every
4688 		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4689 		 */
4690 		.alg = "drbg_nopr_hmac_sha1",
4691 		.fips_allowed = 1,
4692 		.test = alg_test_null,
4693 	}, {
4694 		.alg = "drbg_nopr_hmac_sha256",
4695 		.test = alg_test_drbg,
4696 		.fips_allowed = 1,
4697 		.suite = {
4698 			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4699 		}
4700 	}, {
4701 		/* covered by drbg_nopr_hmac_sha256 test */
4702 		.alg = "drbg_nopr_hmac_sha384",
4703 		.fips_allowed = 1,
4704 		.test = alg_test_null,
4705 	}, {
4706 		.alg = "drbg_nopr_hmac_sha512",
4707 		.test = alg_test_null,
4708 		.fips_allowed = 1,
4709 	}, {
4710 		.alg = "drbg_nopr_sha1",
4711 		.fips_allowed = 1,
4712 		.test = alg_test_null,
4713 	}, {
4714 		.alg = "drbg_nopr_sha256",
4715 		.test = alg_test_drbg,
4716 		.fips_allowed = 1,
4717 		.suite = {
4718 			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4719 		}
4720 	}, {
4721 		/* covered by drbg_nopr_sha256 test */
4722 		.alg = "drbg_nopr_sha384",
4723 		.fips_allowed = 1,
4724 		.test = alg_test_null,
4725 	}, {
4726 		.alg = "drbg_nopr_sha512",
4727 		.fips_allowed = 1,
4728 		.test = alg_test_null,
4729 	}, {
4730 		.alg = "drbg_pr_ctr_aes128",
4731 		.test = alg_test_drbg,
4732 		.fips_allowed = 1,
4733 		.suite = {
4734 			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4735 		}
4736 	}, {
4737 		/* covered by drbg_pr_ctr_aes128 test */
4738 		.alg = "drbg_pr_ctr_aes192",
4739 		.fips_allowed = 1,
4740 		.test = alg_test_null,
4741 	}, {
4742 		.alg = "drbg_pr_ctr_aes256",
4743 		.fips_allowed = 1,
4744 		.test = alg_test_null,
4745 	}, {
4746 		.alg = "drbg_pr_hmac_sha1",
4747 		.fips_allowed = 1,
4748 		.test = alg_test_null,
4749 	}, {
4750 		.alg = "drbg_pr_hmac_sha256",
4751 		.test = alg_test_drbg,
4752 		.fips_allowed = 1,
4753 		.suite = {
4754 			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4755 		}
4756 	}, {
4757 		/* covered by drbg_pr_hmac_sha256 test */
4758 		.alg = "drbg_pr_hmac_sha384",
4759 		.fips_allowed = 1,
4760 		.test = alg_test_null,
4761 	}, {
4762 		.alg = "drbg_pr_hmac_sha512",
4763 		.test = alg_test_null,
4764 		.fips_allowed = 1,
4765 	}, {
4766 		.alg = "drbg_pr_sha1",
4767 		.fips_allowed = 1,
4768 		.test = alg_test_null,
4769 	}, {
4770 		.alg = "drbg_pr_sha256",
4771 		.test = alg_test_drbg,
4772 		.fips_allowed = 1,
4773 		.suite = {
4774 			.drbg = __VECS(drbg_pr_sha256_tv_template)
4775 		}
4776 	}, {
4777 		/* covered by drbg_pr_sha256 test */
4778 		.alg = "drbg_pr_sha384",
4779 		.fips_allowed = 1,
4780 		.test = alg_test_null,
4781 	}, {
4782 		.alg = "drbg_pr_sha512",
4783 		.fips_allowed = 1,
4784 		.test = alg_test_null,
4785 	}, {
4786 		.alg = "ecb(aes)",
4787 		.test = alg_test_skcipher,
4788 		.fips_allowed = 1,
4789 		.suite = {
4790 			.cipher = __VECS(aes_tv_template)
4791 		}
4792 	}, {
4793 		.alg = "ecb(anubis)",
4794 		.test = alg_test_skcipher,
4795 		.suite = {
4796 			.cipher = __VECS(anubis_tv_template)
4797 		}
4798 	}, {
4799 		.alg = "ecb(arc4)",
4800 		.generic_driver = "ecb(arc4)-generic",
4801 		.test = alg_test_skcipher,
4802 		.suite = {
4803 			.cipher = __VECS(arc4_tv_template)
4804 		}
4805 	}, {
4806 		.alg = "ecb(blowfish)",
4807 		.test = alg_test_skcipher,
4808 		.suite = {
4809 			.cipher = __VECS(bf_tv_template)
4810 		}
4811 	}, {
4812 		.alg = "ecb(camellia)",
4813 		.test = alg_test_skcipher,
4814 		.suite = {
4815 			.cipher = __VECS(camellia_tv_template)
4816 		}
4817 	}, {
4818 		.alg = "ecb(cast5)",
4819 		.test = alg_test_skcipher,
4820 		.suite = {
4821 			.cipher = __VECS(cast5_tv_template)
4822 		}
4823 	}, {
4824 		.alg = "ecb(cast6)",
4825 		.test = alg_test_skcipher,
4826 		.suite = {
4827 			.cipher = __VECS(cast6_tv_template)
4828 		}
4829 	}, {
4830 		.alg = "ecb(cipher_null)",
4831 		.test = alg_test_null,
4832 		.fips_allowed = 1,
4833 	}, {
4834 		.alg = "ecb(des)",
4835 		.test = alg_test_skcipher,
4836 		.suite = {
4837 			.cipher = __VECS(des_tv_template)
4838 		}
4839 	}, {
4840 		.alg = "ecb(des3_ede)",
4841 		.test = alg_test_skcipher,
4842 		.fips_allowed = 1,
4843 		.suite = {
4844 			.cipher = __VECS(des3_ede_tv_template)
4845 		}
4846 	}, {
4847 		.alg = "ecb(fcrypt)",
4848 		.test = alg_test_skcipher,
4849 		.suite = {
4850 			.cipher = {
4851 				.vecs = fcrypt_pcbc_tv_template,
4852 				.count = 1
4853 			}
4854 		}
4855 	}, {
4856 		.alg = "ecb(khazad)",
4857 		.test = alg_test_skcipher,
4858 		.suite = {
4859 			.cipher = __VECS(khazad_tv_template)
4860 		}
4861 	}, {
4862 		/* Same as ecb(aes) except the key is stored in
4863 		 * hardware secure memory which we reference by index
4864 		 */
4865 		.alg = "ecb(paes)",
4866 		.test = alg_test_null,
4867 		.fips_allowed = 1,
4868 	}, {
4869 		.alg = "ecb(seed)",
4870 		.test = alg_test_skcipher,
4871 		.suite = {
4872 			.cipher = __VECS(seed_tv_template)
4873 		}
4874 	}, {
4875 		.alg = "ecb(serpent)",
4876 		.test = alg_test_skcipher,
4877 		.suite = {
4878 			.cipher = __VECS(serpent_tv_template)
4879 		}
4880 	}, {
4881 		.alg = "ecb(sm4)",
4882 		.test = alg_test_skcipher,
4883 		.suite = {
4884 			.cipher = __VECS(sm4_tv_template)
4885 		}
4886 	}, {
4887 		.alg = "ecb(tea)",
4888 		.test = alg_test_skcipher,
4889 		.suite = {
4890 			.cipher = __VECS(tea_tv_template)
4891 		}
4892 	}, {
4893 		.alg = "ecb(tnepres)",
4894 		.test = alg_test_skcipher,
4895 		.suite = {
4896 			.cipher = __VECS(tnepres_tv_template)
4897 		}
4898 	}, {
4899 		.alg = "ecb(twofish)",
4900 		.test = alg_test_skcipher,
4901 		.suite = {
4902 			.cipher = __VECS(tf_tv_template)
4903 		}
4904 	}, {
4905 		.alg = "ecb(xeta)",
4906 		.test = alg_test_skcipher,
4907 		.suite = {
4908 			.cipher = __VECS(xeta_tv_template)
4909 		}
4910 	}, {
4911 		.alg = "ecb(xtea)",
4912 		.test = alg_test_skcipher,
4913 		.suite = {
4914 			.cipher = __VECS(xtea_tv_template)
4915 		}
4916 	}, {
4917 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4918 		.alg = "ecb-paes-s390",
4919 		.fips_allowed = 1,
4920 		.test = alg_test_skcipher,
4921 		.suite = {
4922 			.cipher = __VECS(aes_tv_template)
4923 		}
4924 	}, {
4925 #endif
4926 		.alg = "ecdh",
4927 		.test = alg_test_kpp,
4928 		.fips_allowed = 1,
4929 		.suite = {
4930 			.kpp = __VECS(ecdh_tv_template)
4931 		}
4932 	}, {
4933 		.alg = "ecrdsa",
4934 		.test = alg_test_akcipher,
4935 		.suite = {
4936 			.akcipher = __VECS(ecrdsa_tv_template)
4937 		}
4938 	}, {
4939 		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
4940 		.test = alg_test_aead,
4941 		.fips_allowed = 1,
4942 		.suite = {
4943 			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
4944 		}
4945 	}, {
4946 		.alg = "essiv(cbc(aes),sha256)",
4947 		.test = alg_test_skcipher,
4948 		.fips_allowed = 1,
4949 		.suite = {
4950 			.cipher = __VECS(essiv_aes_cbc_tv_template)
4951 		}
4952 	}, {
4953 		.alg = "gcm(aes)",
4954 		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
4955 		.test = alg_test_aead,
4956 		.fips_allowed = 1,
4957 		.suite = {
4958 			.aead = __VECS(aes_gcm_tv_template)
4959 		}
4960 	}, {
4961 		.alg = "ghash",
4962 		.test = alg_test_hash,
4963 		.fips_allowed = 1,
4964 		.suite = {
4965 			.hash = __VECS(ghash_tv_template)
4966 		}
4967 	}, {
4968 		.alg = "hmac(md5)",
4969 		.test = alg_test_hash,
4970 		.suite = {
4971 			.hash = __VECS(hmac_md5_tv_template)
4972 		}
4973 	}, {
4974 		.alg = "hmac(rmd128)",
4975 		.test = alg_test_hash,
4976 		.suite = {
4977 			.hash = __VECS(hmac_rmd128_tv_template)
4978 		}
4979 	}, {
4980 		.alg = "hmac(rmd160)",
4981 		.test = alg_test_hash,
4982 		.suite = {
4983 			.hash = __VECS(hmac_rmd160_tv_template)
4984 		}
4985 	}, {
4986 		.alg = "hmac(sha1)",
4987 		.test = alg_test_hash,
4988 		.fips_allowed = 1,
4989 		.suite = {
4990 			.hash = __VECS(hmac_sha1_tv_template)
4991 		}
4992 	}, {
4993 		.alg = "hmac(sha224)",
4994 		.test = alg_test_hash,
4995 		.fips_allowed = 1,
4996 		.suite = {
4997 			.hash = __VECS(hmac_sha224_tv_template)
4998 		}
4999 	}, {
5000 		.alg = "hmac(sha256)",
5001 		.test = alg_test_hash,
5002 		.fips_allowed = 1,
5003 		.suite = {
5004 			.hash = __VECS(hmac_sha256_tv_template)
5005 		}
5006 	}, {
5007 		.alg = "hmac(sha3-224)",
5008 		.test = alg_test_hash,
5009 		.fips_allowed = 1,
5010 		.suite = {
5011 			.hash = __VECS(hmac_sha3_224_tv_template)
5012 		}
5013 	}, {
5014 		.alg = "hmac(sha3-256)",
5015 		.test = alg_test_hash,
5016 		.fips_allowed = 1,
5017 		.suite = {
5018 			.hash = __VECS(hmac_sha3_256_tv_template)
5019 		}
5020 	}, {
5021 		.alg = "hmac(sha3-384)",
5022 		.test = alg_test_hash,
5023 		.fips_allowed = 1,
5024 		.suite = {
5025 			.hash = __VECS(hmac_sha3_384_tv_template)
5026 		}
5027 	}, {
5028 		.alg = "hmac(sha3-512)",
5029 		.test = alg_test_hash,
5030 		.fips_allowed = 1,
5031 		.suite = {
5032 			.hash = __VECS(hmac_sha3_512_tv_template)
5033 		}
5034 	}, {
5035 		.alg = "hmac(sha384)",
5036 		.test = alg_test_hash,
5037 		.fips_allowed = 1,
5038 		.suite = {
5039 			.hash = __VECS(hmac_sha384_tv_template)
5040 		}
5041 	}, {
5042 		.alg = "hmac(sha512)",
5043 		.test = alg_test_hash,
5044 		.fips_allowed = 1,
5045 		.suite = {
5046 			.hash = __VECS(hmac_sha512_tv_template)
5047 		}
5048 	}, {
5049 		.alg = "hmac(sm3)",
5050 		.test = alg_test_hash,
5051 		.suite = {
5052 			.hash = __VECS(hmac_sm3_tv_template)
5053 		}
5054 	}, {
5055 		.alg = "hmac(streebog256)",
5056 		.test = alg_test_hash,
5057 		.suite = {
5058 			.hash = __VECS(hmac_streebog256_tv_template)
5059 		}
5060 	}, {
5061 		.alg = "hmac(streebog512)",
5062 		.test = alg_test_hash,
5063 		.suite = {
5064 			.hash = __VECS(hmac_streebog512_tv_template)
5065 		}
5066 	}, {
5067 		.alg = "jitterentropy_rng",
5068 		.fips_allowed = 1,
5069 		.test = alg_test_null,
5070 	}, {
5071 		.alg = "kw(aes)",
5072 		.test = alg_test_skcipher,
5073 		.fips_allowed = 1,
5074 		.suite = {
5075 			.cipher = __VECS(aes_kw_tv_template)
5076 		}
5077 	}, {
5078 		.alg = "lrw(aes)",
5079 		.generic_driver = "lrw(ecb(aes-generic))",
5080 		.test = alg_test_skcipher,
5081 		.suite = {
5082 			.cipher = __VECS(aes_lrw_tv_template)
5083 		}
5084 	}, {
5085 		.alg = "lrw(camellia)",
5086 		.generic_driver = "lrw(ecb(camellia-generic))",
5087 		.test = alg_test_skcipher,
5088 		.suite = {
5089 			.cipher = __VECS(camellia_lrw_tv_template)
5090 		}
5091 	}, {
5092 		.alg = "lrw(cast6)",
5093 		.generic_driver = "lrw(ecb(cast6-generic))",
5094 		.test = alg_test_skcipher,
5095 		.suite = {
5096 			.cipher = __VECS(cast6_lrw_tv_template)
5097 		}
5098 	}, {
5099 		.alg = "lrw(serpent)",
5100 		.generic_driver = "lrw(ecb(serpent-generic))",
5101 		.test = alg_test_skcipher,
5102 		.suite = {
5103 			.cipher = __VECS(serpent_lrw_tv_template)
5104 		}
5105 	}, {
5106 		.alg = "lrw(twofish)",
5107 		.generic_driver = "lrw(ecb(twofish-generic))",
5108 		.test = alg_test_skcipher,
5109 		.suite = {
5110 			.cipher = __VECS(tf_lrw_tv_template)
5111 		}
5112 	}, {
5113 		.alg = "lz4",
5114 		.test = alg_test_comp,
5115 		.fips_allowed = 1,
5116 		.suite = {
5117 			.comp = {
5118 				.comp = __VECS(lz4_comp_tv_template),
5119 				.decomp = __VECS(lz4_decomp_tv_template)
5120 			}
5121 		}
5122 	}, {
5123 		.alg = "lz4hc",
5124 		.test = alg_test_comp,
5125 		.fips_allowed = 1,
5126 		.suite = {
5127 			.comp = {
5128 				.comp = __VECS(lz4hc_comp_tv_template),
5129 				.decomp = __VECS(lz4hc_decomp_tv_template)
5130 			}
5131 		}
5132 	}, {
5133 		.alg = "lzo",
5134 		.test = alg_test_comp,
5135 		.fips_allowed = 1,
5136 		.suite = {
5137 			.comp = {
5138 				.comp = __VECS(lzo_comp_tv_template),
5139 				.decomp = __VECS(lzo_decomp_tv_template)
5140 			}
5141 		}
5142 	}, {
5143 		.alg = "lzo-rle",
5144 		.test = alg_test_comp,
5145 		.fips_allowed = 1,
5146 		.suite = {
5147 			.comp = {
5148 				.comp = __VECS(lzorle_comp_tv_template),
5149 				.decomp = __VECS(lzorle_decomp_tv_template)
5150 			}
5151 		}
5152 	}, {
5153 		.alg = "md4",
5154 		.test = alg_test_hash,
5155 		.suite = {
5156 			.hash = __VECS(md4_tv_template)
5157 		}
5158 	}, {
5159 		.alg = "md5",
5160 		.test = alg_test_hash,
5161 		.suite = {
5162 			.hash = __VECS(md5_tv_template)
5163 		}
5164 	}, {
5165 		.alg = "michael_mic",
5166 		.test = alg_test_hash,
5167 		.suite = {
5168 			.hash = __VECS(michael_mic_tv_template)
5169 		}
5170 	}, {
5171 		.alg = "nhpoly1305",
5172 		.test = alg_test_hash,
5173 		.suite = {
5174 			.hash = __VECS(nhpoly1305_tv_template)
5175 		}
5176 	}, {
5177 		.alg = "ofb(aes)",
5178 		.test = alg_test_skcipher,
5179 		.fips_allowed = 1,
5180 		.suite = {
5181 			.cipher = __VECS(aes_ofb_tv_template)
5182 		}
5183 	}, {
5184 		/* Same as ofb(aes) except the key is stored in
5185 		 * hardware secure memory which we reference by index
5186 		 */
5187 		.alg = "ofb(paes)",
5188 		.test = alg_test_null,
5189 		.fips_allowed = 1,
5190 	}, {
5191 		.alg = "ofb(sm4)",
5192 		.test = alg_test_skcipher,
5193 		.suite = {
5194 			.cipher = __VECS(sm4_ofb_tv_template)
5195 		}
5196 	}, {
5197 		.alg = "pcbc(fcrypt)",
5198 		.test = alg_test_skcipher,
5199 		.suite = {
5200 			.cipher = __VECS(fcrypt_pcbc_tv_template)
5201 		}
5202 	}, {
5203 		.alg = "pkcs1pad(rsa,sha224)",
5204 		.test = alg_test_null,
5205 		.fips_allowed = 1,
5206 	}, {
5207 		.alg = "pkcs1pad(rsa,sha256)",
5208 		.test = alg_test_akcipher,
5209 		.fips_allowed = 1,
5210 		.suite = {
5211 			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5212 		}
5213 	}, {
5214 		.alg = "pkcs1pad(rsa,sha384)",
5215 		.test = alg_test_null,
5216 		.fips_allowed = 1,
5217 	}, {
5218 		.alg = "pkcs1pad(rsa,sha512)",
5219 		.test = alg_test_null,
5220 		.fips_allowed = 1,
5221 	}, {
5222 		.alg = "poly1305",
5223 		.test = alg_test_hash,
5224 		.suite = {
5225 			.hash = __VECS(poly1305_tv_template)
5226 		}
5227 	}, {
5228 		.alg = "rfc3686(ctr(aes))",
5229 		.test = alg_test_skcipher,
5230 		.fips_allowed = 1,
5231 		.suite = {
5232 			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5233 		}
5234 	}, {
5235 		.alg = "rfc3686(ctr(sm4))",
5236 		.test = alg_test_skcipher,
5237 		.suite = {
5238 			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5239 		}
5240 	}, {
5241 		.alg = "rfc4106(gcm(aes))",
5242 		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5243 		.test = alg_test_aead,
5244 		.fips_allowed = 1,
5245 		.suite = {
5246 			.aead = {
5247 				____VECS(aes_gcm_rfc4106_tv_template),
5248 				.einval_allowed = 1,
5249 				.aad_iv = 1,
5250 			}
5251 		}
5252 	}, {
5253 		.alg = "rfc4309(ccm(aes))",
5254 		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5255 		.test = alg_test_aead,
5256 		.fips_allowed = 1,
5257 		.suite = {
5258 			.aead = {
5259 				____VECS(aes_ccm_rfc4309_tv_template),
5260 				.einval_allowed = 1,
5261 				.aad_iv = 1,
5262 			}
5263 		}
5264 	}, {
5265 		.alg = "rfc4543(gcm(aes))",
5266 		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5267 		.test = alg_test_aead,
5268 		.suite = {
5269 			.aead = {
5270 				____VECS(aes_gcm_rfc4543_tv_template),
5271 				.einval_allowed = 1,
5272 				.aad_iv = 1,
5273 			}
5274 		}
5275 	}, {
5276 		.alg = "rfc7539(chacha20,poly1305)",
5277 		.test = alg_test_aead,
5278 		.suite = {
5279 			.aead = __VECS(rfc7539_tv_template)
5280 		}
5281 	}, {
5282 		.alg = "rfc7539esp(chacha20,poly1305)",
5283 		.test = alg_test_aead,
5284 		.suite = {
5285 			.aead = {
5286 				____VECS(rfc7539esp_tv_template),
5287 				.einval_allowed = 1,
5288 				.aad_iv = 1,
5289 			}
5290 		}
5291 	}, {
5292 		.alg = "rmd128",
5293 		.test = alg_test_hash,
5294 		.suite = {
5295 			.hash = __VECS(rmd128_tv_template)
5296 		}
5297 	}, {
5298 		.alg = "rmd160",
5299 		.test = alg_test_hash,
5300 		.suite = {
5301 			.hash = __VECS(rmd160_tv_template)
5302 		}
5303 	}, {
5304 		.alg = "rmd256",
5305 		.test = alg_test_hash,
5306 		.suite = {
5307 			.hash = __VECS(rmd256_tv_template)
5308 		}
5309 	}, {
5310 		.alg = "rmd320",
5311 		.test = alg_test_hash,
5312 		.suite = {
5313 			.hash = __VECS(rmd320_tv_template)
5314 		}
5315 	}, {
5316 		.alg = "rsa",
5317 		.test = alg_test_akcipher,
5318 		.fips_allowed = 1,
5319 		.suite = {
5320 			.akcipher = __VECS(rsa_tv_template)
5321 		}
5322 	}, {
5323 		.alg = "salsa20",
5324 		.test = alg_test_skcipher,
5325 		.suite = {
5326 			.cipher = __VECS(salsa20_stream_tv_template)
5327 		}
5328 	}, {
5329 		.alg = "sha1",
5330 		.test = alg_test_hash,
5331 		.fips_allowed = 1,
5332 		.suite = {
5333 			.hash = __VECS(sha1_tv_template)
5334 		}
5335 	}, {
5336 		.alg = "sha224",
5337 		.test = alg_test_hash,
5338 		.fips_allowed = 1,
5339 		.suite = {
5340 			.hash = __VECS(sha224_tv_template)
5341 		}
5342 	}, {
5343 		.alg = "sha256",
5344 		.test = alg_test_hash,
5345 		.fips_allowed = 1,
5346 		.suite = {
5347 			.hash = __VECS(sha256_tv_template)
5348 		}
5349 	}, {
5350 		.alg = "sha3-224",
5351 		.test = alg_test_hash,
5352 		.fips_allowed = 1,
5353 		.suite = {
5354 			.hash = __VECS(sha3_224_tv_template)
5355 		}
5356 	}, {
5357 		.alg = "sha3-256",
5358 		.test = alg_test_hash,
5359 		.fips_allowed = 1,
5360 		.suite = {
5361 			.hash = __VECS(sha3_256_tv_template)
5362 		}
5363 	}, {
5364 		.alg = "sha3-384",
5365 		.test = alg_test_hash,
5366 		.fips_allowed = 1,
5367 		.suite = {
5368 			.hash = __VECS(sha3_384_tv_template)
5369 		}
5370 	}, {
5371 		.alg = "sha3-512",
5372 		.test = alg_test_hash,
5373 		.fips_allowed = 1,
5374 		.suite = {
5375 			.hash = __VECS(sha3_512_tv_template)
5376 		}
5377 	}, {
5378 		.alg = "sha384",
5379 		.test = alg_test_hash,
5380 		.fips_allowed = 1,
5381 		.suite = {
5382 			.hash = __VECS(sha384_tv_template)
5383 		}
5384 	}, {
5385 		.alg = "sha512",
5386 		.test = alg_test_hash,
5387 		.fips_allowed = 1,
5388 		.suite = {
5389 			.hash = __VECS(sha512_tv_template)
5390 		}
5391 	}, {
5392 		.alg = "sm2",
5393 		.test = alg_test_akcipher,
5394 		.suite = {
5395 			.akcipher = __VECS(sm2_tv_template)
5396 		}
5397 	}, {
5398 		.alg = "sm3",
5399 		.test = alg_test_hash,
5400 		.suite = {
5401 			.hash = __VECS(sm3_tv_template)
5402 		}
5403 	}, {
5404 		.alg = "streebog256",
5405 		.test = alg_test_hash,
5406 		.suite = {
5407 			.hash = __VECS(streebog256_tv_template)
5408 		}
5409 	}, {
5410 		.alg = "streebog512",
5411 		.test = alg_test_hash,
5412 		.suite = {
5413 			.hash = __VECS(streebog512_tv_template)
5414 		}
5415 	}, {
5416 		.alg = "tgr128",
5417 		.test = alg_test_hash,
5418 		.suite = {
5419 			.hash = __VECS(tgr128_tv_template)
5420 		}
5421 	}, {
5422 		.alg = "tgr160",
5423 		.test = alg_test_hash,
5424 		.suite = {
5425 			.hash = __VECS(tgr160_tv_template)
5426 		}
5427 	}, {
5428 		.alg = "tgr192",
5429 		.test = alg_test_hash,
5430 		.suite = {
5431 			.hash = __VECS(tgr192_tv_template)
5432 		}
5433 	}, {
5434 		.alg = "vmac64(aes)",
5435 		.test = alg_test_hash,
5436 		.suite = {
5437 			.hash = __VECS(vmac64_aes_tv_template)
5438 		}
5439 	}, {
5440 		.alg = "wp256",
5441 		.test = alg_test_hash,
5442 		.suite = {
5443 			.hash = __VECS(wp256_tv_template)
5444 		}
5445 	}, {
5446 		.alg = "wp384",
5447 		.test = alg_test_hash,
5448 		.suite = {
5449 			.hash = __VECS(wp384_tv_template)
5450 		}
5451 	}, {
5452 		.alg = "wp512",
5453 		.test = alg_test_hash,
5454 		.suite = {
5455 			.hash = __VECS(wp512_tv_template)
5456 		}
5457 	}, {
5458 		.alg = "xcbc(aes)",
5459 		.test = alg_test_hash,
5460 		.suite = {
5461 			.hash = __VECS(aes_xcbc128_tv_template)
5462 		}
5463 	}, {
5464 		.alg = "xchacha12",
5465 		.test = alg_test_skcipher,
5466 		.suite = {
5467 			.cipher = __VECS(xchacha12_tv_template)
5468 		},
5469 	}, {
5470 		.alg = "xchacha20",
5471 		.test = alg_test_skcipher,
5472 		.suite = {
5473 			.cipher = __VECS(xchacha20_tv_template)
5474 		},
5475 	}, {
5476 		.alg = "xts(aes)",
5477 		.generic_driver = "xts(ecb(aes-generic))",
5478 		.test = alg_test_skcipher,
5479 		.fips_allowed = 1,
5480 		.suite = {
5481 			.cipher = __VECS(aes_xts_tv_template)
5482 		}
5483 	}, {
5484 		.alg = "xts(camellia)",
5485 		.generic_driver = "xts(ecb(camellia-generic))",
5486 		.test = alg_test_skcipher,
5487 		.suite = {
5488 			.cipher = __VECS(camellia_xts_tv_template)
5489 		}
5490 	}, {
5491 		.alg = "xts(cast6)",
5492 		.generic_driver = "xts(ecb(cast6-generic))",
5493 		.test = alg_test_skcipher,
5494 		.suite = {
5495 			.cipher = __VECS(cast6_xts_tv_template)
5496 		}
5497 	}, {
5498 		/* Same as xts(aes) except the key is stored in
5499 		 * hardware secure memory which we reference by index
5500 		 */
5501 		.alg = "xts(paes)",
5502 		.test = alg_test_null,
5503 		.fips_allowed = 1,
5504 	}, {
5505 		.alg = "xts(serpent)",
5506 		.generic_driver = "xts(ecb(serpent-generic))",
5507 		.test = alg_test_skcipher,
5508 		.suite = {
5509 			.cipher = __VECS(serpent_xts_tv_template)
5510 		}
5511 	}, {
5512 		.alg = "xts(twofish)",
5513 		.generic_driver = "xts(ecb(twofish-generic))",
5514 		.test = alg_test_skcipher,
5515 		.suite = {
5516 			.cipher = __VECS(tf_xts_tv_template)
5517 		}
5518 	}, {
5519 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5520 		.alg = "xts-paes-s390",
5521 		.fips_allowed = 1,
5522 		.test = alg_test_skcipher,
5523 		.suite = {
5524 			.cipher = __VECS(aes_xts_tv_template)
5525 		}
5526 	}, {
5527 #endif
5528 		.alg = "xts4096(paes)",
5529 		.test = alg_test_null,
5530 		.fips_allowed = 1,
5531 	}, {
5532 		.alg = "xts512(paes)",
5533 		.test = alg_test_null,
5534 		.fips_allowed = 1,
5535 	}, {
5536 		.alg = "xxhash64",
5537 		.test = alg_test_hash,
5538 		.fips_allowed = 1,
5539 		.suite = {
5540 			.hash = __VECS(xxhash64_tv_template)
5541 		}
5542 	}, {
5543 		.alg = "zlib-deflate",
5544 		.test = alg_test_comp,
5545 		.fips_allowed = 1,
5546 		.suite = {
5547 			.comp = {
5548 				.comp = __VECS(zlib_deflate_comp_tv_template),
5549 				.decomp = __VECS(zlib_deflate_decomp_tv_template)
5550 			}
5551 		}
5552 	}, {
5553 		.alg = "zstd",
5554 		.test = alg_test_comp,
5555 		.fips_allowed = 1,
5556 		.suite = {
5557 			.comp = {
5558 				.comp = __VECS(zstd_comp_tv_template),
5559 				.decomp = __VECS(zstd_decomp_tv_template)
5560 			}
5561 		}
5562 	}
5563 };
5564 
alg_check_test_descs_order(void)5565 static void alg_check_test_descs_order(void)
5566 {
5567 	int i;
5568 
5569 	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5570 		int diff = strcmp(alg_test_descs[i - 1].alg,
5571 				  alg_test_descs[i].alg);
5572 
5573 		if (WARN_ON(diff > 0)) {
5574 			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5575 				alg_test_descs[i - 1].alg,
5576 				alg_test_descs[i].alg);
5577 		}
5578 
5579 		if (WARN_ON(diff == 0)) {
5580 			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5581 				alg_test_descs[i].alg);
5582 		}
5583 	}
5584 }
5585 
alg_check_testvec_configs(void)5586 static void alg_check_testvec_configs(void)
5587 {
5588 	int i;
5589 
5590 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5591 		WARN_ON(!valid_testvec_config(
5592 				&default_cipher_testvec_configs[i]));
5593 
5594 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5595 		WARN_ON(!valid_testvec_config(
5596 				&default_hash_testvec_configs[i]));
5597 }
5598 
testmgr_onetime_init(void)5599 static void testmgr_onetime_init(void)
5600 {
5601 	alg_check_test_descs_order();
5602 	alg_check_testvec_configs();
5603 
5604 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5605 	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5606 #endif
5607 }
5608 
alg_find_test(const char * alg)5609 static int alg_find_test(const char *alg)
5610 {
5611 	int start = 0;
5612 	int end = ARRAY_SIZE(alg_test_descs);
5613 
5614 	while (start < end) {
5615 		int i = (start + end) / 2;
5616 		int diff = strcmp(alg_test_descs[i].alg, alg);
5617 
5618 		if (diff > 0) {
5619 			end = i;
5620 			continue;
5621 		}
5622 
5623 		if (diff < 0) {
5624 			start = i + 1;
5625 			continue;
5626 		}
5627 
5628 		return i;
5629 	}
5630 
5631 	return -1;
5632 }
5633 
alg_test(const char * driver,const char * alg,u32 type,u32 mask)5634 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5635 {
5636 	int i;
5637 	int j;
5638 	int rc;
5639 
5640 	if (!fips_enabled && notests) {
5641 		printk_once(KERN_INFO "alg: self-tests disabled\n");
5642 		return 0;
5643 	}
5644 
5645 	DO_ONCE(testmgr_onetime_init);
5646 
5647 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5648 		char nalg[CRYPTO_MAX_ALG_NAME];
5649 
5650 		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5651 		    sizeof(nalg))
5652 			return -ENAMETOOLONG;
5653 
5654 		i = alg_find_test(nalg);
5655 		if (i < 0)
5656 			goto notest;
5657 
5658 		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5659 			goto non_fips_alg;
5660 
5661 		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5662 		goto test_done;
5663 	}
5664 
5665 	i = alg_find_test(alg);
5666 	j = alg_find_test(driver);
5667 	if (i < 0 && j < 0)
5668 		goto notest;
5669 
5670 	if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
5671 			     (j >= 0 && !alg_test_descs[j].fips_allowed)))
5672 		goto non_fips_alg;
5673 
5674 	rc = 0;
5675 	if (i >= 0)
5676 		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5677 					     type, mask);
5678 	if (j >= 0 && j != i)
5679 		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5680 					     type, mask);
5681 
5682 test_done:
5683 	if (rc && (fips_enabled || panic_on_fail)) {
5684 		fips_fail_notify();
5685 		panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5686 		      driver, alg, fips_enabled ? "fips" : "panic_on_fail");
5687 	}
5688 
5689 	if (fips_enabled && !rc)
5690 		pr_info("alg: self-tests for %s (%s) passed\n", driver, alg);
5691 
5692 	return rc;
5693 
5694 notest:
5695 	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5696 	return 0;
5697 non_fips_alg:
5698 	return -EINVAL;
5699 }
5700 
5701 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5702 
5703 EXPORT_SYMBOL_GPL(alg_test);
5704