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