1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Algorithm testing framework and tests.
4  *
5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
7  * Copyright (c) 2007 Nokia Siemens Networks
8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
9  * Copyright (c) 2019 Google LLC
10  *
11  * Updated RFC4106 AES-GCM testing.
12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13  *             Adrian Hoban <adrian.hoban@intel.com>
14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
15  *             Tadeusz Struk (tadeusz.struk@intel.com)
16  *    Copyright (c) 2010, Intel Corporation.
17  */
18 
19 #include <crypto/aead.h>
20 #include <crypto/hash.h>
21 #include <crypto/skcipher.h>
22 #include <linux/err.h>
23 #include <linux/fips.h>
24 #include <linux/module.h>
25 #include <linux/once.h>
26 #include <linux/random.h>
27 #include <linux/scatterlist.h>
28 #include <linux/slab.h>
29 #include <linux/string.h>
30 #include <linux/uio.h>
31 #include <crypto/rng.h>
32 #include <crypto/drbg.h>
33 #include <crypto/akcipher.h>
34 #include <crypto/kpp.h>
35 #include <crypto/acompress.h>
36 #include <crypto/internal/cipher.h>
37 #include <crypto/internal/simd.h>
38 
39 #include "internal.h"
40 
41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42 
43 static bool notests;
44 module_param(notests, bool, 0644);
45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
46 
47 static bool panic_on_fail;
48 module_param(panic_on_fail, bool, 0444);
49 
50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51 static bool noextratests;
52 module_param(noextratests, bool, 0644);
53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54 
55 static unsigned int fuzz_iterations = 100;
56 module_param(fuzz_iterations, uint, 0644);
57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58 #endif
59 
60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
61 
62 /* a perfect nop */
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 /*
236  * Whether the crypto operation will occur in-place, and if so whether the
237  * source and destination scatterlist pointers will coincide (req->src ==
238  * req->dst), or whether they'll merely point to two separate scatterlists
239  * (req->src != req->dst) that reference the same underlying memory.
240  *
241  * This is only relevant for algorithm types that support in-place operation.
242  */
243 enum inplace_mode {
244 	OUT_OF_PLACE,
245 	INPLACE_ONE_SGLIST,
246 	INPLACE_TWO_SGLISTS,
247 };
248 
249 #define TEST_SG_TOTAL	10000
250 
251 /**
252  * struct test_sg_division - description of a scatterlist entry
253  *
254  * This struct describes one entry of a scatterlist being constructed to check a
255  * crypto test vector.
256  *
257  * @proportion_of_total: length of this chunk relative to the total length,
258  *			 given as a proportion out of TEST_SG_TOTAL so that it
259  *			 scales to fit any test vector
260  * @offset: byte offset into a 2-page buffer at which this chunk will start
261  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
262  *				  @offset
263  * @flush_type: for hashes, whether an update() should be done now vs.
264  *		continuing to accumulate data
265  * @nosimd: if doing the pending update(), do it with SIMD disabled?
266  */
267 struct test_sg_division {
268 	unsigned int proportion_of_total;
269 	unsigned int offset;
270 	bool offset_relative_to_alignmask;
271 	enum flush_type flush_type;
272 	bool nosimd;
273 };
274 
275 /**
276  * struct testvec_config - configuration for testing a crypto test vector
277  *
278  * This struct describes the data layout and other parameters with which each
279  * crypto test vector can be tested.
280  *
281  * @name: name of this config, logged for debugging purposes if a test fails
282  * @inplace_mode: whether and how to operate on the data in-place, if applicable
283  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
284  * @src_divs: description of how to arrange the source scatterlist
285  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
286  *	      for the algorithm type.  Defaults to @src_divs if unset.
287  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
288  *	       where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
289  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
290  *				     the @iv_offset
291  * @key_offset: misalignment of the key, where 0 is default alignment
292  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
293  *				      the @key_offset
294  * @finalization_type: what finalization function to use for hashes
295  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
296  */
297 struct testvec_config {
298 	const char *name;
299 	enum inplace_mode inplace_mode;
300 	u32 req_flags;
301 	struct test_sg_division src_divs[XBUFSIZE];
302 	struct test_sg_division dst_divs[XBUFSIZE];
303 	unsigned int iv_offset;
304 	unsigned int key_offset;
305 	bool iv_offset_relative_to_alignmask;
306 	bool key_offset_relative_to_alignmask;
307 	enum finalization_type finalization_type;
308 	bool nosimd;
309 };
310 
311 #define TESTVEC_CONFIG_NAMELEN	192
312 
313 /*
314  * The following are the lists of testvec_configs to test for each algorithm
315  * type when the basic crypto self-tests are enabled, i.e. when
316  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
317  * coverage, while keeping the test time much shorter than the full fuzz tests
318  * so that the basic tests can be enabled in a wider range of circumstances.
319  */
320 
321 /* Configs for skciphers and aeads */
322 static const struct testvec_config default_cipher_testvec_configs[] = {
323 	{
324 		.name = "in-place (one sglist)",
325 		.inplace_mode = INPLACE_ONE_SGLIST,
326 		.src_divs = { { .proportion_of_total = 10000 } },
327 	}, {
328 		.name = "in-place (two sglists)",
329 		.inplace_mode = INPLACE_TWO_SGLISTS,
330 		.src_divs = { { .proportion_of_total = 10000 } },
331 	}, {
332 		.name = "out-of-place",
333 		.inplace_mode = OUT_OF_PLACE,
334 		.src_divs = { { .proportion_of_total = 10000 } },
335 	}, {
336 		.name = "unaligned buffer, offset=1",
337 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
338 		.iv_offset = 1,
339 		.key_offset = 1,
340 	}, {
341 		.name = "buffer aligned only to alignmask",
342 		.src_divs = {
343 			{
344 				.proportion_of_total = 10000,
345 				.offset = 1,
346 				.offset_relative_to_alignmask = true,
347 			},
348 		},
349 		.iv_offset = 1,
350 		.iv_offset_relative_to_alignmask = true,
351 		.key_offset = 1,
352 		.key_offset_relative_to_alignmask = true,
353 	}, {
354 		.name = "two even aligned splits",
355 		.src_divs = {
356 			{ .proportion_of_total = 5000 },
357 			{ .proportion_of_total = 5000 },
358 		},
359 	}, {
360 		.name = "uneven misaligned splits, may sleep",
361 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
362 		.src_divs = {
363 			{ .proportion_of_total = 1900, .offset = 33 },
364 			{ .proportion_of_total = 3300, .offset = 7  },
365 			{ .proportion_of_total = 4800, .offset = 18 },
366 		},
367 		.iv_offset = 3,
368 		.key_offset = 3,
369 	}, {
370 		.name = "misaligned splits crossing pages, inplace",
371 		.inplace_mode = INPLACE_ONE_SGLIST,
372 		.src_divs = {
373 			{
374 				.proportion_of_total = 7500,
375 				.offset = PAGE_SIZE - 32
376 			}, {
377 				.proportion_of_total = 2500,
378 				.offset = PAGE_SIZE - 7
379 			},
380 		},
381 	}
382 };
383 
384 static const struct testvec_config default_hash_testvec_configs[] = {
385 	{
386 		.name = "init+update+final aligned buffer",
387 		.src_divs = { { .proportion_of_total = 10000 } },
388 		.finalization_type = FINALIZATION_TYPE_FINAL,
389 	}, {
390 		.name = "init+finup aligned buffer",
391 		.src_divs = { { .proportion_of_total = 10000 } },
392 		.finalization_type = FINALIZATION_TYPE_FINUP,
393 	}, {
394 		.name = "digest aligned buffer",
395 		.src_divs = { { .proportion_of_total = 10000 } },
396 		.finalization_type = FINALIZATION_TYPE_DIGEST,
397 	}, {
398 		.name = "init+update+final misaligned buffer",
399 		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
400 		.finalization_type = FINALIZATION_TYPE_FINAL,
401 		.key_offset = 1,
402 	}, {
403 		.name = "digest buffer aligned only to alignmask",
404 		.src_divs = {
405 			{
406 				.proportion_of_total = 10000,
407 				.offset = 1,
408 				.offset_relative_to_alignmask = true,
409 			},
410 		},
411 		.finalization_type = FINALIZATION_TYPE_DIGEST,
412 		.key_offset = 1,
413 		.key_offset_relative_to_alignmask = true,
414 	}, {
415 		.name = "init+update+update+final two even splits",
416 		.src_divs = {
417 			{ .proportion_of_total = 5000 },
418 			{
419 				.proportion_of_total = 5000,
420 				.flush_type = FLUSH_TYPE_FLUSH,
421 			},
422 		},
423 		.finalization_type = FINALIZATION_TYPE_FINAL,
424 	}, {
425 		.name = "digest uneven misaligned splits, may sleep",
426 		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
427 		.src_divs = {
428 			{ .proportion_of_total = 1900, .offset = 33 },
429 			{ .proportion_of_total = 3300, .offset = 7  },
430 			{ .proportion_of_total = 4800, .offset = 18 },
431 		},
432 		.finalization_type = FINALIZATION_TYPE_DIGEST,
433 	}, {
434 		.name = "digest misaligned splits crossing pages",
435 		.src_divs = {
436 			{
437 				.proportion_of_total = 7500,
438 				.offset = PAGE_SIZE - 32,
439 			}, {
440 				.proportion_of_total = 2500,
441 				.offset = PAGE_SIZE - 7,
442 			},
443 		},
444 		.finalization_type = FINALIZATION_TYPE_DIGEST,
445 	}, {
446 		.name = "import/export",
447 		.src_divs = {
448 			{
449 				.proportion_of_total = 6500,
450 				.flush_type = FLUSH_TYPE_REIMPORT,
451 			}, {
452 				.proportion_of_total = 3500,
453 				.flush_type = FLUSH_TYPE_REIMPORT,
454 			},
455 		},
456 		.finalization_type = FINALIZATION_TYPE_FINAL,
457 	}
458 };
459 
count_test_sg_divisions(const struct test_sg_division * divs)460 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
461 {
462 	unsigned int remaining = TEST_SG_TOTAL;
463 	unsigned int ndivs = 0;
464 
465 	do {
466 		remaining -= divs[ndivs++].proportion_of_total;
467 	} while (remaining);
468 
469 	return ndivs;
470 }
471 
472 #define SGDIVS_HAVE_FLUSHES	BIT(0)
473 #define SGDIVS_HAVE_NOSIMD	BIT(1)
474 
valid_sg_divisions(const struct test_sg_division * divs,unsigned int count,int * flags_ret)475 static bool valid_sg_divisions(const struct test_sg_division *divs,
476 			       unsigned int count, int *flags_ret)
477 {
478 	unsigned int total = 0;
479 	unsigned int i;
480 
481 	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
482 		if (divs[i].proportion_of_total <= 0 ||
483 		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
484 			return false;
485 		total += divs[i].proportion_of_total;
486 		if (divs[i].flush_type != FLUSH_TYPE_NONE)
487 			*flags_ret |= SGDIVS_HAVE_FLUSHES;
488 		if (divs[i].nosimd)
489 			*flags_ret |= SGDIVS_HAVE_NOSIMD;
490 	}
491 	return total == TEST_SG_TOTAL &&
492 		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
493 }
494 
495 /*
496  * Check whether the given testvec_config is valid.  This isn't strictly needed
497  * since every testvec_config should be valid, but check anyway so that people
498  * don't unknowingly add broken configs that don't do what they wanted.
499  */
valid_testvec_config(const struct testvec_config * cfg)500 static bool valid_testvec_config(const struct testvec_config *cfg)
501 {
502 	int flags = 0;
503 
504 	if (cfg->name == NULL)
505 		return false;
506 
507 	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
508 				&flags))
509 		return false;
510 
511 	if (cfg->dst_divs[0].proportion_of_total) {
512 		if (!valid_sg_divisions(cfg->dst_divs,
513 					ARRAY_SIZE(cfg->dst_divs), &flags))
514 			return false;
515 	} else {
516 		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
517 			return false;
518 		/* defaults to dst_divs=src_divs */
519 	}
520 
521 	if (cfg->iv_offset +
522 	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
523 	    MAX_ALGAPI_ALIGNMASK + 1)
524 		return false;
525 
526 	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
527 	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
528 		return false;
529 
530 	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
531 	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
532 		return false;
533 
534 	return true;
535 }
536 
537 struct test_sglist {
538 	char *bufs[XBUFSIZE];
539 	struct scatterlist sgl[XBUFSIZE];
540 	struct scatterlist sgl_saved[XBUFSIZE];
541 	struct scatterlist *sgl_ptr;
542 	unsigned int nents;
543 };
544 
init_test_sglist(struct test_sglist * tsgl)545 static int init_test_sglist(struct test_sglist *tsgl)
546 {
547 	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
548 }
549 
destroy_test_sglist(struct test_sglist * tsgl)550 static void destroy_test_sglist(struct test_sglist *tsgl)
551 {
552 	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
553 }
554 
555 /**
556  * build_test_sglist() - build a scatterlist for a crypto test
557  *
558  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
559  *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
560  * @divs: the layout specification on which the scatterlist will be based
561  * @alignmask: the algorithm's alignmask
562  * @total_len: the total length of the scatterlist to build in bytes
563  * @data: if non-NULL, the buffers will be filled with this data until it ends.
564  *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
565  *	  past the end of each buffer will be poisoned to help detect overruns.
566  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
567  *	      corresponds will be returned here.  This will match @divs except
568  *	      that divisions resolving to a length of 0 are omitted as they are
569  *	      not included in the scatterlist.
570  *
571  * Return: 0 or a -errno value
572  */
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])573 static int build_test_sglist(struct test_sglist *tsgl,
574 			     const struct test_sg_division *divs,
575 			     const unsigned int alignmask,
576 			     const unsigned int total_len,
577 			     struct iov_iter *data,
578 			     const struct test_sg_division *out_divs[XBUFSIZE])
579 {
580 	struct {
581 		const struct test_sg_division *div;
582 		size_t length;
583 	} partitions[XBUFSIZE];
584 	const unsigned int ndivs = count_test_sg_divisions(divs);
585 	unsigned int len_remaining = total_len;
586 	unsigned int i;
587 
588 	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
589 	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
590 		return -EINVAL;
591 
592 	/* Calculate the (div, length) pairs */
593 	tsgl->nents = 0;
594 	for (i = 0; i < ndivs; i++) {
595 		unsigned int len_this_sg =
596 			min(len_remaining,
597 			    (total_len * divs[i].proportion_of_total +
598 			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
599 
600 		if (len_this_sg != 0) {
601 			partitions[tsgl->nents].div = &divs[i];
602 			partitions[tsgl->nents].length = len_this_sg;
603 			tsgl->nents++;
604 			len_remaining -= len_this_sg;
605 		}
606 	}
607 	if (tsgl->nents == 0) {
608 		partitions[tsgl->nents].div = &divs[0];
609 		partitions[tsgl->nents].length = 0;
610 		tsgl->nents++;
611 	}
612 	partitions[tsgl->nents - 1].length += len_remaining;
613 
614 	/* Set up the sgl entries and fill the data or poison */
615 	sg_init_table(tsgl->sgl, tsgl->nents);
616 	for (i = 0; i < tsgl->nents; i++) {
617 		unsigned int offset = partitions[i].div->offset;
618 		void *addr;
619 
620 		if (partitions[i].div->offset_relative_to_alignmask)
621 			offset += alignmask;
622 
623 		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
624 		       2 * PAGE_SIZE) {
625 			if (WARN_ON(offset <= 0))
626 				return -EINVAL;
627 			offset /= 2;
628 		}
629 
630 		addr = &tsgl->bufs[i][offset];
631 		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
632 
633 		if (out_divs)
634 			out_divs[i] = partitions[i].div;
635 
636 		if (data) {
637 			size_t copy_len, copied;
638 
639 			copy_len = min(partitions[i].length, data->count);
640 			copied = copy_from_iter(addr, copy_len, data);
641 			if (WARN_ON(copied != copy_len))
642 				return -EINVAL;
643 			testmgr_poison(addr + copy_len, partitions[i].length +
644 				       TESTMGR_POISON_LEN - copy_len);
645 		} else {
646 			testmgr_poison(addr, partitions[i].length +
647 				       TESTMGR_POISON_LEN);
648 		}
649 	}
650 
651 	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
652 	tsgl->sgl_ptr = tsgl->sgl;
653 	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
654 	return 0;
655 }
656 
657 /*
658  * Verify that a scatterlist crypto operation produced the correct output.
659  *
660  * @tsgl: scatterlist containing the actual output
661  * @expected_output: buffer containing the expected output
662  * @len_to_check: length of @expected_output in bytes
663  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
664  * @check_poison: verify that the poison bytes after each chunk are intact?
665  *
666  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
667  */
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)668 static int verify_correct_output(const struct test_sglist *tsgl,
669 				 const char *expected_output,
670 				 unsigned int len_to_check,
671 				 unsigned int unchecked_prefix_len,
672 				 bool check_poison)
673 {
674 	unsigned int i;
675 
676 	for (i = 0; i < tsgl->nents; i++) {
677 		struct scatterlist *sg = &tsgl->sgl_ptr[i];
678 		unsigned int len = sg->length;
679 		unsigned int offset = sg->offset;
680 		const char *actual_output;
681 
682 		if (unchecked_prefix_len) {
683 			if (unchecked_prefix_len >= len) {
684 				unchecked_prefix_len -= len;
685 				continue;
686 			}
687 			offset += unchecked_prefix_len;
688 			len -= unchecked_prefix_len;
689 			unchecked_prefix_len = 0;
690 		}
691 		len = min(len, len_to_check);
692 		actual_output = page_address(sg_page(sg)) + offset;
693 		if (memcmp(expected_output, actual_output, len) != 0)
694 			return -EINVAL;
695 		if (check_poison &&
696 		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
697 			return -EOVERFLOW;
698 		len_to_check -= len;
699 		expected_output += len;
700 	}
701 	if (WARN_ON(len_to_check != 0))
702 		return -EINVAL;
703 	return 0;
704 }
705 
is_test_sglist_corrupted(const struct test_sglist * tsgl)706 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
707 {
708 	unsigned int i;
709 
710 	for (i = 0; i < tsgl->nents; i++) {
711 		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
712 			return true;
713 		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
714 			return true;
715 		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
716 			return true;
717 	}
718 	return false;
719 }
720 
721 struct cipher_test_sglists {
722 	struct test_sglist src;
723 	struct test_sglist dst;
724 };
725 
alloc_cipher_test_sglists(void)726 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
727 {
728 	struct cipher_test_sglists *tsgls;
729 
730 	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
731 	if (!tsgls)
732 		return NULL;
733 
734 	if (init_test_sglist(&tsgls->src) != 0)
735 		goto fail_kfree;
736 	if (init_test_sglist(&tsgls->dst) != 0)
737 		goto fail_destroy_src;
738 
739 	return tsgls;
740 
741 fail_destroy_src:
742 	destroy_test_sglist(&tsgls->src);
743 fail_kfree:
744 	kfree(tsgls);
745 	return NULL;
746 }
747 
free_cipher_test_sglists(struct cipher_test_sglists * tsgls)748 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
749 {
750 	if (tsgls) {
751 		destroy_test_sglist(&tsgls->src);
752 		destroy_test_sglist(&tsgls->dst);
753 		kfree(tsgls);
754 	}
755 }
756 
757 /* 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)758 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
759 				     const struct testvec_config *cfg,
760 				     unsigned int alignmask,
761 				     unsigned int src_total_len,
762 				     unsigned int dst_total_len,
763 				     const struct kvec *inputs,
764 				     unsigned int nr_inputs)
765 {
766 	struct iov_iter input;
767 	int err;
768 
769 	iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
770 	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
771 				cfg->inplace_mode != OUT_OF_PLACE ?
772 					max(dst_total_len, src_total_len) :
773 					src_total_len,
774 				&input, NULL);
775 	if (err)
776 		return err;
777 
778 	/*
779 	 * In-place crypto operations can use the same scatterlist for both the
780 	 * source and destination (req->src == req->dst), or can use separate
781 	 * scatterlists (req->src != req->dst) which point to the same
782 	 * underlying memory.  Make sure to test both cases.
783 	 */
784 	if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
785 		tsgls->dst.sgl_ptr = tsgls->src.sgl;
786 		tsgls->dst.nents = tsgls->src.nents;
787 		return 0;
788 	}
789 	if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
790 		/*
791 		 * For now we keep it simple and only test the case where the
792 		 * two scatterlists have identical entries, rather than
793 		 * different entries that split up the same memory differently.
794 		 */
795 		memcpy(tsgls->dst.sgl, tsgls->src.sgl,
796 		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
797 		memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
798 		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
799 		tsgls->dst.sgl_ptr = tsgls->dst.sgl;
800 		tsgls->dst.nents = tsgls->src.nents;
801 		return 0;
802 	}
803 	/* Out of place */
804 	return build_test_sglist(&tsgls->dst,
805 				 cfg->dst_divs[0].proportion_of_total ?
806 					cfg->dst_divs : cfg->src_divs,
807 				 alignmask, dst_total_len, NULL, NULL);
808 }
809 
810 /*
811  * Support for testing passing a misaligned key to setkey():
812  *
813  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
814  * optionally adding alignmask.  Else, just use the key directly.
815  */
prepare_keybuf(const u8 * key,unsigned int ksize,const struct testvec_config * cfg,unsigned int alignmask,const u8 ** keybuf_ret,const u8 ** keyptr_ret)816 static int prepare_keybuf(const u8 *key, unsigned int ksize,
817 			  const struct testvec_config *cfg,
818 			  unsigned int alignmask,
819 			  const u8 **keybuf_ret, const u8 **keyptr_ret)
820 {
821 	unsigned int key_offset = cfg->key_offset;
822 	u8 *keybuf = NULL, *keyptr = (u8 *)key;
823 
824 	if (key_offset != 0) {
825 		if (cfg->key_offset_relative_to_alignmask)
826 			key_offset += alignmask;
827 		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
828 		if (!keybuf)
829 			return -ENOMEM;
830 		keyptr = keybuf + key_offset;
831 		memcpy(keyptr, key, ksize);
832 	}
833 	*keybuf_ret = keybuf;
834 	*keyptr_ret = keyptr;
835 	return 0;
836 }
837 
838 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
839 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
840 ({									\
841 	const u8 *keybuf, *keyptr;					\
842 	int err;							\
843 									\
844 	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
845 			     &keybuf, &keyptr);				\
846 	if (err == 0) {							\
847 		err = setkey_f((tfm), keyptr, (ksize));			\
848 		kfree(keybuf);						\
849 	}								\
850 	err;								\
851 })
852 
853 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
854 
855 /* Generate a random length in range [0, max_len], but prefer smaller values */
generate_random_length(unsigned int max_len)856 static unsigned int generate_random_length(unsigned int max_len)
857 {
858 	unsigned int len = prandom_u32_max(max_len + 1);
859 
860 	switch (prandom_u32_max(4)) {
861 	case 0:
862 		return len % 64;
863 	case 1:
864 		return len % 256;
865 	case 2:
866 		return len % 1024;
867 	default:
868 		return len;
869 	}
870 }
871 
872 /* Flip a random bit in the given nonempty data buffer */
flip_random_bit(u8 * buf,size_t size)873 static void flip_random_bit(u8 *buf, size_t size)
874 {
875 	size_t bitpos;
876 
877 	bitpos = prandom_u32_max(size * 8);
878 	buf[bitpos / 8] ^= 1 << (bitpos % 8);
879 }
880 
881 /* Flip a random byte in the given nonempty data buffer */
flip_random_byte(u8 * buf,size_t size)882 static void flip_random_byte(u8 *buf, size_t size)
883 {
884 	buf[prandom_u32_max(size)] ^= 0xff;
885 }
886 
887 /* Sometimes make some random changes to the given nonempty data buffer */
mutate_buffer(u8 * buf,size_t size)888 static void mutate_buffer(u8 *buf, size_t size)
889 {
890 	size_t num_flips;
891 	size_t i;
892 
893 	/* Sometimes flip some bits */
894 	if (prandom_u32_max(4) == 0) {
895 		num_flips = min_t(size_t, 1 << prandom_u32_max(8), size * 8);
896 		for (i = 0; i < num_flips; i++)
897 			flip_random_bit(buf, size);
898 	}
899 
900 	/* Sometimes flip some bytes */
901 	if (prandom_u32_max(4) == 0) {
902 		num_flips = min_t(size_t, 1 << prandom_u32_max(8), size);
903 		for (i = 0; i < num_flips; i++)
904 			flip_random_byte(buf, size);
905 	}
906 }
907 
908 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
generate_random_bytes(u8 * buf,size_t count)909 static void generate_random_bytes(u8 *buf, size_t count)
910 {
911 	u8 b;
912 	u8 increment;
913 	size_t i;
914 
915 	if (count == 0)
916 		return;
917 
918 	switch (prandom_u32_max(8)) { /* Choose a generation strategy */
919 	case 0:
920 	case 1:
921 		/* All the same byte, plus optional mutations */
922 		switch (prandom_u32_max(4)) {
923 		case 0:
924 			b = 0x00;
925 			break;
926 		case 1:
927 			b = 0xff;
928 			break;
929 		default:
930 			b = get_random_u8();
931 			break;
932 		}
933 		memset(buf, b, count);
934 		mutate_buffer(buf, count);
935 		break;
936 	case 2:
937 		/* Ascending or descending bytes, plus optional mutations */
938 		increment = get_random_u8();
939 		b = get_random_u8();
940 		for (i = 0; i < count; i++, b += increment)
941 			buf[i] = b;
942 		mutate_buffer(buf, count);
943 		break;
944 	default:
945 		/* Fully random bytes */
946 		for (i = 0; i < count; i++)
947 			buf[i] = get_random_u8();
948 	}
949 }
950 
generate_random_sgl_divisions(struct test_sg_division * divs,size_t max_divs,char * p,char * end,bool gen_flushes,u32 req_flags)951 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
952 					   size_t max_divs, char *p, char *end,
953 					   bool gen_flushes, u32 req_flags)
954 {
955 	struct test_sg_division *div = divs;
956 	unsigned int remaining = TEST_SG_TOTAL;
957 
958 	do {
959 		unsigned int this_len;
960 		const char *flushtype_str;
961 
962 		if (div == &divs[max_divs - 1] || prandom_u32_max(2) == 0)
963 			this_len = remaining;
964 		else
965 			this_len = 1 + prandom_u32_max(remaining);
966 		div->proportion_of_total = this_len;
967 
968 		if (prandom_u32_max(4) == 0)
969 			div->offset = (PAGE_SIZE - 128) + prandom_u32_max(128);
970 		else if (prandom_u32_max(2) == 0)
971 			div->offset = prandom_u32_max(32);
972 		else
973 			div->offset = prandom_u32_max(PAGE_SIZE);
974 		if (prandom_u32_max(8) == 0)
975 			div->offset_relative_to_alignmask = true;
976 
977 		div->flush_type = FLUSH_TYPE_NONE;
978 		if (gen_flushes) {
979 			switch (prandom_u32_max(4)) {
980 			case 0:
981 				div->flush_type = FLUSH_TYPE_REIMPORT;
982 				break;
983 			case 1:
984 				div->flush_type = FLUSH_TYPE_FLUSH;
985 				break;
986 			}
987 		}
988 
989 		if (div->flush_type != FLUSH_TYPE_NONE &&
990 		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
991 		    prandom_u32_max(2) == 0)
992 			div->nosimd = true;
993 
994 		switch (div->flush_type) {
995 		case FLUSH_TYPE_FLUSH:
996 			if (div->nosimd)
997 				flushtype_str = "<flush,nosimd>";
998 			else
999 				flushtype_str = "<flush>";
1000 			break;
1001 		case FLUSH_TYPE_REIMPORT:
1002 			if (div->nosimd)
1003 				flushtype_str = "<reimport,nosimd>";
1004 			else
1005 				flushtype_str = "<reimport>";
1006 			break;
1007 		default:
1008 			flushtype_str = "";
1009 			break;
1010 		}
1011 
1012 		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1013 		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1014 			       this_len / 100, this_len % 100,
1015 			       div->offset_relative_to_alignmask ?
1016 					"alignmask" : "",
1017 			       div->offset, this_len == remaining ? "" : ", ");
1018 		remaining -= this_len;
1019 		div++;
1020 	} while (remaining);
1021 
1022 	return p;
1023 }
1024 
1025 /* Generate a random testvec_config for fuzz testing */
generate_random_testvec_config(struct testvec_config * cfg,char * name,size_t max_namelen)1026 static void generate_random_testvec_config(struct testvec_config *cfg,
1027 					   char *name, size_t max_namelen)
1028 {
1029 	char *p = name;
1030 	char * const end = name + max_namelen;
1031 
1032 	memset(cfg, 0, sizeof(*cfg));
1033 
1034 	cfg->name = name;
1035 
1036 	p += scnprintf(p, end - p, "random:");
1037 
1038 	switch (prandom_u32_max(4)) {
1039 	case 0:
1040 	case 1:
1041 		cfg->inplace_mode = OUT_OF_PLACE;
1042 		break;
1043 	case 2:
1044 		cfg->inplace_mode = INPLACE_ONE_SGLIST;
1045 		p += scnprintf(p, end - p, " inplace_one_sglist");
1046 		break;
1047 	default:
1048 		cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1049 		p += scnprintf(p, end - p, " inplace_two_sglists");
1050 		break;
1051 	}
1052 
1053 	if (prandom_u32_max(2) == 0) {
1054 		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1055 		p += scnprintf(p, end - p, " may_sleep");
1056 	}
1057 
1058 	switch (prandom_u32_max(4)) {
1059 	case 0:
1060 		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1061 		p += scnprintf(p, end - p, " use_final");
1062 		break;
1063 	case 1:
1064 		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1065 		p += scnprintf(p, end - p, " use_finup");
1066 		break;
1067 	default:
1068 		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1069 		p += scnprintf(p, end - p, " use_digest");
1070 		break;
1071 	}
1072 
1073 	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1074 	    prandom_u32_max(2) == 0) {
1075 		cfg->nosimd = true;
1076 		p += scnprintf(p, end - p, " nosimd");
1077 	}
1078 
1079 	p += scnprintf(p, end - p, " src_divs=[");
1080 	p = generate_random_sgl_divisions(cfg->src_divs,
1081 					  ARRAY_SIZE(cfg->src_divs), p, end,
1082 					  (cfg->finalization_type !=
1083 					   FINALIZATION_TYPE_DIGEST),
1084 					  cfg->req_flags);
1085 	p += scnprintf(p, end - p, "]");
1086 
1087 	if (cfg->inplace_mode == OUT_OF_PLACE && prandom_u32_max(2) == 0) {
1088 		p += scnprintf(p, end - p, " dst_divs=[");
1089 		p = generate_random_sgl_divisions(cfg->dst_divs,
1090 						  ARRAY_SIZE(cfg->dst_divs),
1091 						  p, end, false,
1092 						  cfg->req_flags);
1093 		p += scnprintf(p, end - p, "]");
1094 	}
1095 
1096 	if (prandom_u32_max(2) == 0) {
1097 		cfg->iv_offset = 1 + prandom_u32_max(MAX_ALGAPI_ALIGNMASK);
1098 		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1099 	}
1100 
1101 	if (prandom_u32_max(2) == 0) {
1102 		cfg->key_offset = 1 + prandom_u32_max(MAX_ALGAPI_ALIGNMASK);
1103 		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1104 	}
1105 
1106 	WARN_ON_ONCE(!valid_testvec_config(cfg));
1107 }
1108 
crypto_disable_simd_for_test(void)1109 static void crypto_disable_simd_for_test(void)
1110 {
1111 	migrate_disable();
1112 	__this_cpu_write(crypto_simd_disabled_for_test, true);
1113 }
1114 
crypto_reenable_simd_for_test(void)1115 static void crypto_reenable_simd_for_test(void)
1116 {
1117 	__this_cpu_write(crypto_simd_disabled_for_test, false);
1118 	migrate_enable();
1119 }
1120 
1121 /*
1122  * Given an algorithm name, build the name of the generic implementation of that
1123  * algorithm, assuming the usual naming convention.  Specifically, this appends
1124  * "-generic" to every part of the name that is not a template name.  Examples:
1125  *
1126  *	aes => aes-generic
1127  *	cbc(aes) => cbc(aes-generic)
1128  *	cts(cbc(aes)) => cts(cbc(aes-generic))
1129  *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1130  *
1131  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1132  */
build_generic_driver_name(const char * algname,char driver_name[CRYPTO_MAX_ALG_NAME])1133 static int build_generic_driver_name(const char *algname,
1134 				     char driver_name[CRYPTO_MAX_ALG_NAME])
1135 {
1136 	const char *in = algname;
1137 	char *out = driver_name;
1138 	size_t len = strlen(algname);
1139 
1140 	if (len >= CRYPTO_MAX_ALG_NAME)
1141 		goto too_long;
1142 	do {
1143 		const char *in_saved = in;
1144 
1145 		while (*in && *in != '(' && *in != ')' && *in != ',')
1146 			*out++ = *in++;
1147 		if (*in != '(' && in > in_saved) {
1148 			len += 8;
1149 			if (len >= CRYPTO_MAX_ALG_NAME)
1150 				goto too_long;
1151 			memcpy(out, "-generic", 8);
1152 			out += 8;
1153 		}
1154 	} while ((*out++ = *in++) != '\0');
1155 	return 0;
1156 
1157 too_long:
1158 	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1159 	       algname);
1160 	return -ENAMETOOLONG;
1161 }
1162 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
crypto_disable_simd_for_test(void)1163 static void crypto_disable_simd_for_test(void)
1164 {
1165 }
1166 
crypto_reenable_simd_for_test(void)1167 static void crypto_reenable_simd_for_test(void)
1168 {
1169 }
1170 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1171 
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])1172 static int build_hash_sglist(struct test_sglist *tsgl,
1173 			     const struct hash_testvec *vec,
1174 			     const struct testvec_config *cfg,
1175 			     unsigned int alignmask,
1176 			     const struct test_sg_division *divs[XBUFSIZE])
1177 {
1178 	struct kvec kv;
1179 	struct iov_iter input;
1180 
1181 	kv.iov_base = (void *)vec->plaintext;
1182 	kv.iov_len = vec->psize;
1183 	iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
1184 	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1185 				 &input, divs);
1186 }
1187 
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)1188 static int check_hash_result(const char *type,
1189 			     const u8 *result, unsigned int digestsize,
1190 			     const struct hash_testvec *vec,
1191 			     const char *vec_name,
1192 			     const char *driver,
1193 			     const struct testvec_config *cfg)
1194 {
1195 	if (memcmp(result, vec->digest, digestsize) != 0) {
1196 		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1197 		       type, driver, vec_name, cfg->name);
1198 		return -EINVAL;
1199 	}
1200 	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1201 		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1202 		       type, driver, vec_name, cfg->name);
1203 		return -EOVERFLOW;
1204 	}
1205 	return 0;
1206 }
1207 
check_shash_op(const char * op,int err,const char * driver,const char * vec_name,const struct testvec_config * cfg)1208 static inline int check_shash_op(const char *op, int err,
1209 				 const char *driver, const char *vec_name,
1210 				 const struct testvec_config *cfg)
1211 {
1212 	if (err)
1213 		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1214 		       driver, op, err, vec_name, cfg->name);
1215 	return err;
1216 }
1217 
1218 /* Test one hash test vector in one configuration, using the shash API */
test_shash_vec_cfg(const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1219 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1220 			      const char *vec_name,
1221 			      const struct testvec_config *cfg,
1222 			      struct shash_desc *desc,
1223 			      struct test_sglist *tsgl,
1224 			      u8 *hashstate)
1225 {
1226 	struct crypto_shash *tfm = desc->tfm;
1227 	const unsigned int alignmask = crypto_shash_alignmask(tfm);
1228 	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1229 	const unsigned int statesize = crypto_shash_statesize(tfm);
1230 	const char *driver = crypto_shash_driver_name(tfm);
1231 	const struct test_sg_division *divs[XBUFSIZE];
1232 	unsigned int i;
1233 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1234 	int err;
1235 
1236 	/* Set the key, if specified */
1237 	if (vec->ksize) {
1238 		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1239 				cfg, alignmask);
1240 		if (err) {
1241 			if (err == vec->setkey_error)
1242 				return 0;
1243 			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1244 			       driver, vec_name, vec->setkey_error, err,
1245 			       crypto_shash_get_flags(tfm));
1246 			return err;
1247 		}
1248 		if (vec->setkey_error) {
1249 			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1250 			       driver, vec_name, vec->setkey_error);
1251 			return -EINVAL;
1252 		}
1253 	}
1254 
1255 	/* Build the scatterlist for the source data */
1256 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1257 	if (err) {
1258 		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1259 		       driver, vec_name, cfg->name);
1260 		return err;
1261 	}
1262 
1263 	/* Do the actual hashing */
1264 
1265 	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1266 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1267 
1268 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1269 	    vec->digest_error) {
1270 		/* Just using digest() */
1271 		if (tsgl->nents != 1)
1272 			return 0;
1273 		if (cfg->nosimd)
1274 			crypto_disable_simd_for_test();
1275 		err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1276 					  tsgl->sgl[0].length, result);
1277 		if (cfg->nosimd)
1278 			crypto_reenable_simd_for_test();
1279 		if (err) {
1280 			if (err == vec->digest_error)
1281 				return 0;
1282 			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1283 			       driver, vec_name, vec->digest_error, err,
1284 			       cfg->name);
1285 			return err;
1286 		}
1287 		if (vec->digest_error) {
1288 			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1289 			       driver, vec_name, vec->digest_error, cfg->name);
1290 			return -EINVAL;
1291 		}
1292 		goto result_ready;
1293 	}
1294 
1295 	/* Using init(), zero or more update(), then final() or finup() */
1296 
1297 	if (cfg->nosimd)
1298 		crypto_disable_simd_for_test();
1299 	err = crypto_shash_init(desc);
1300 	if (cfg->nosimd)
1301 		crypto_reenable_simd_for_test();
1302 	err = check_shash_op("init", err, driver, vec_name, cfg);
1303 	if (err)
1304 		return err;
1305 
1306 	for (i = 0; i < tsgl->nents; i++) {
1307 		if (i + 1 == tsgl->nents &&
1308 		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1309 			if (divs[i]->nosimd)
1310 				crypto_disable_simd_for_test();
1311 			err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1312 						 tsgl->sgl[i].length, result);
1313 			if (divs[i]->nosimd)
1314 				crypto_reenable_simd_for_test();
1315 			err = check_shash_op("finup", err, driver, vec_name,
1316 					     cfg);
1317 			if (err)
1318 				return err;
1319 			goto result_ready;
1320 		}
1321 		if (divs[i]->nosimd)
1322 			crypto_disable_simd_for_test();
1323 		err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1324 					  tsgl->sgl[i].length);
1325 		if (divs[i]->nosimd)
1326 			crypto_reenable_simd_for_test();
1327 		err = check_shash_op("update", err, driver, vec_name, cfg);
1328 		if (err)
1329 			return err;
1330 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1331 			/* Test ->export() and ->import() */
1332 			testmgr_poison(hashstate + statesize,
1333 				       TESTMGR_POISON_LEN);
1334 			err = crypto_shash_export(desc, hashstate);
1335 			err = check_shash_op("export", err, driver, vec_name,
1336 					     cfg);
1337 			if (err)
1338 				return err;
1339 			if (!testmgr_is_poison(hashstate + statesize,
1340 					       TESTMGR_POISON_LEN)) {
1341 				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1342 				       driver, vec_name, cfg->name);
1343 				return -EOVERFLOW;
1344 			}
1345 			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1346 			err = crypto_shash_import(desc, hashstate);
1347 			err = check_shash_op("import", err, driver, vec_name,
1348 					     cfg);
1349 			if (err)
1350 				return err;
1351 		}
1352 	}
1353 
1354 	if (cfg->nosimd)
1355 		crypto_disable_simd_for_test();
1356 	err = crypto_shash_final(desc, result);
1357 	if (cfg->nosimd)
1358 		crypto_reenable_simd_for_test();
1359 	err = check_shash_op("final", err, driver, vec_name, cfg);
1360 	if (err)
1361 		return err;
1362 result_ready:
1363 	return check_hash_result("shash", result, digestsize, vec, vec_name,
1364 				 driver, cfg);
1365 }
1366 
do_ahash_op(int (* op)(struct ahash_request * req),struct ahash_request * req,struct crypto_wait * wait,bool nosimd)1367 static int do_ahash_op(int (*op)(struct ahash_request *req),
1368 		       struct ahash_request *req,
1369 		       struct crypto_wait *wait, bool nosimd)
1370 {
1371 	int err;
1372 
1373 	if (nosimd)
1374 		crypto_disable_simd_for_test();
1375 
1376 	err = op(req);
1377 
1378 	if (nosimd)
1379 		crypto_reenable_simd_for_test();
1380 
1381 	return crypto_wait_req(err, wait);
1382 }
1383 
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)1384 static int check_nonfinal_ahash_op(const char *op, int err,
1385 				   u8 *result, unsigned int digestsize,
1386 				   const char *driver, const char *vec_name,
1387 				   const struct testvec_config *cfg)
1388 {
1389 	if (err) {
1390 		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1391 		       driver, op, err, vec_name, cfg->name);
1392 		return err;
1393 	}
1394 	if (!testmgr_is_poison(result, digestsize)) {
1395 		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1396 		       driver, op, vec_name, cfg->name);
1397 		return -EINVAL;
1398 	}
1399 	return 0;
1400 }
1401 
1402 /* Test one hash test vector in one configuration, using the ahash API */
test_ahash_vec_cfg(const struct hash_testvec * vec,const char * vec_name,const struct testvec_config * cfg,struct ahash_request * req,struct test_sglist * tsgl,u8 * hashstate)1403 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1404 			      const char *vec_name,
1405 			      const struct testvec_config *cfg,
1406 			      struct ahash_request *req,
1407 			      struct test_sglist *tsgl,
1408 			      u8 *hashstate)
1409 {
1410 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1411 	const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1412 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1413 	const unsigned int statesize = crypto_ahash_statesize(tfm);
1414 	const char *driver = crypto_ahash_driver_name(tfm);
1415 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1416 	const struct test_sg_division *divs[XBUFSIZE];
1417 	DECLARE_CRYPTO_WAIT(wait);
1418 	unsigned int i;
1419 	struct scatterlist *pending_sgl;
1420 	unsigned int pending_len;
1421 	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1422 	int err;
1423 
1424 	/* Set the key, if specified */
1425 	if (vec->ksize) {
1426 		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1427 				cfg, alignmask);
1428 		if (err) {
1429 			if (err == vec->setkey_error)
1430 				return 0;
1431 			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1432 			       driver, vec_name, vec->setkey_error, err,
1433 			       crypto_ahash_get_flags(tfm));
1434 			return err;
1435 		}
1436 		if (vec->setkey_error) {
1437 			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1438 			       driver, vec_name, vec->setkey_error);
1439 			return -EINVAL;
1440 		}
1441 	}
1442 
1443 	/* Build the scatterlist for the source data */
1444 	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1445 	if (err) {
1446 		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1447 		       driver, vec_name, cfg->name);
1448 		return err;
1449 	}
1450 
1451 	/* Do the actual hashing */
1452 
1453 	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1454 	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1455 
1456 	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1457 	    vec->digest_error) {
1458 		/* Just using digest() */
1459 		ahash_request_set_callback(req, req_flags, crypto_req_done,
1460 					   &wait);
1461 		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1462 		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1463 		if (err) {
1464 			if (err == vec->digest_error)
1465 				return 0;
1466 			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1467 			       driver, vec_name, vec->digest_error, err,
1468 			       cfg->name);
1469 			return err;
1470 		}
1471 		if (vec->digest_error) {
1472 			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1473 			       driver, vec_name, vec->digest_error, cfg->name);
1474 			return -EINVAL;
1475 		}
1476 		goto result_ready;
1477 	}
1478 
1479 	/* Using init(), zero or more update(), then final() or finup() */
1480 
1481 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1482 	ahash_request_set_crypt(req, NULL, result, 0);
1483 	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1484 	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1485 				      driver, vec_name, cfg);
1486 	if (err)
1487 		return err;
1488 
1489 	pending_sgl = NULL;
1490 	pending_len = 0;
1491 	for (i = 0; i < tsgl->nents; i++) {
1492 		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1493 		    pending_sgl != NULL) {
1494 			/* update() with the pending data */
1495 			ahash_request_set_callback(req, req_flags,
1496 						   crypto_req_done, &wait);
1497 			ahash_request_set_crypt(req, pending_sgl, result,
1498 						pending_len);
1499 			err = do_ahash_op(crypto_ahash_update, req, &wait,
1500 					  divs[i]->nosimd);
1501 			err = check_nonfinal_ahash_op("update", err,
1502 						      result, digestsize,
1503 						      driver, vec_name, cfg);
1504 			if (err)
1505 				return err;
1506 			pending_sgl = NULL;
1507 			pending_len = 0;
1508 		}
1509 		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1510 			/* Test ->export() and ->import() */
1511 			testmgr_poison(hashstate + statesize,
1512 				       TESTMGR_POISON_LEN);
1513 			err = crypto_ahash_export(req, hashstate);
1514 			err = check_nonfinal_ahash_op("export", err,
1515 						      result, digestsize,
1516 						      driver, vec_name, cfg);
1517 			if (err)
1518 				return err;
1519 			if (!testmgr_is_poison(hashstate + statesize,
1520 					       TESTMGR_POISON_LEN)) {
1521 				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1522 				       driver, vec_name, cfg->name);
1523 				return -EOVERFLOW;
1524 			}
1525 
1526 			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1527 			err = crypto_ahash_import(req, hashstate);
1528 			err = check_nonfinal_ahash_op("import", err,
1529 						      result, digestsize,
1530 						      driver, vec_name, cfg);
1531 			if (err)
1532 				return err;
1533 		}
1534 		if (pending_sgl == NULL)
1535 			pending_sgl = &tsgl->sgl[i];
1536 		pending_len += tsgl->sgl[i].length;
1537 	}
1538 
1539 	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1540 	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1541 	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1542 		/* finish with update() and final() */
1543 		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1544 		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1545 					      driver, vec_name, cfg);
1546 		if (err)
1547 			return err;
1548 		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1549 		if (err) {
1550 			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1551 			       driver, err, vec_name, cfg->name);
1552 			return err;
1553 		}
1554 	} else {
1555 		/* finish with finup() */
1556 		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1557 		if (err) {
1558 			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1559 			       driver, err, vec_name, cfg->name);
1560 			return err;
1561 		}
1562 	}
1563 
1564 result_ready:
1565 	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1566 				 driver, cfg);
1567 }
1568 
test_hash_vec_cfg(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)1569 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1570 			     const char *vec_name,
1571 			     const struct testvec_config *cfg,
1572 			     struct ahash_request *req,
1573 			     struct shash_desc *desc,
1574 			     struct test_sglist *tsgl,
1575 			     u8 *hashstate)
1576 {
1577 	int err;
1578 
1579 	/*
1580 	 * For algorithms implemented as "shash", most bugs will be detected by
1581 	 * both the shash and ahash tests.  Test the shash API first so that the
1582 	 * failures involve less indirection, so are easier to debug.
1583 	 */
1584 
1585 	if (desc) {
1586 		err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1587 					 hashstate);
1588 		if (err)
1589 			return err;
1590 	}
1591 
1592 	return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1593 }
1594 
test_hash_vec(const struct hash_testvec * vec,unsigned int vec_num,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1595 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1596 			 struct ahash_request *req, struct shash_desc *desc,
1597 			 struct test_sglist *tsgl, u8 *hashstate)
1598 {
1599 	char vec_name[16];
1600 	unsigned int i;
1601 	int err;
1602 
1603 	sprintf(vec_name, "%u", vec_num);
1604 
1605 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1606 		err = test_hash_vec_cfg(vec, vec_name,
1607 					&default_hash_testvec_configs[i],
1608 					req, desc, tsgl, hashstate);
1609 		if (err)
1610 			return err;
1611 	}
1612 
1613 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1614 	if (!noextratests) {
1615 		struct testvec_config cfg;
1616 		char cfgname[TESTVEC_CONFIG_NAMELEN];
1617 
1618 		for (i = 0; i < fuzz_iterations; i++) {
1619 			generate_random_testvec_config(&cfg, cfgname,
1620 						       sizeof(cfgname));
1621 			err = test_hash_vec_cfg(vec, vec_name, &cfg,
1622 						req, desc, tsgl, hashstate);
1623 			if (err)
1624 				return err;
1625 			cond_resched();
1626 		}
1627 	}
1628 #endif
1629 	return 0;
1630 }
1631 
1632 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1633 /*
1634  * Generate a hash test vector from the given implementation.
1635  * Assumes the buffers in 'vec' were already allocated.
1636  */
generate_random_hash_testvec(struct shash_desc * desc,struct hash_testvec * vec,unsigned int maxkeysize,unsigned int maxdatasize,char * name,size_t max_namelen)1637 static void generate_random_hash_testvec(struct shash_desc *desc,
1638 					 struct hash_testvec *vec,
1639 					 unsigned int maxkeysize,
1640 					 unsigned int maxdatasize,
1641 					 char *name, size_t max_namelen)
1642 {
1643 	/* Data */
1644 	vec->psize = generate_random_length(maxdatasize);
1645 	generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1646 
1647 	/*
1648 	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1649 	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1650 	 */
1651 	vec->setkey_error = 0;
1652 	vec->ksize = 0;
1653 	if (maxkeysize) {
1654 		vec->ksize = maxkeysize;
1655 		if (prandom_u32_max(4) == 0)
1656 			vec->ksize = 1 + prandom_u32_max(maxkeysize);
1657 		generate_random_bytes((u8 *)vec->key, vec->ksize);
1658 
1659 		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1660 							vec->ksize);
1661 		/* If the key couldn't be set, no need to continue to digest. */
1662 		if (vec->setkey_error)
1663 			goto done;
1664 	}
1665 
1666 	/* Digest */
1667 	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1668 						vec->psize, (u8 *)vec->digest);
1669 done:
1670 	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1671 		 vec->psize, vec->ksize);
1672 }
1673 
1674 /*
1675  * Test the hash algorithm represented by @req against the corresponding generic
1676  * implementation, if one is available.
1677  */
test_hash_vs_generic_impl(const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1678 static int test_hash_vs_generic_impl(const char *generic_driver,
1679 				     unsigned int maxkeysize,
1680 				     struct ahash_request *req,
1681 				     struct shash_desc *desc,
1682 				     struct test_sglist *tsgl,
1683 				     u8 *hashstate)
1684 {
1685 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1686 	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1687 	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1688 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1689 	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1690 	const char *driver = crypto_ahash_driver_name(tfm);
1691 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1692 	struct crypto_shash *generic_tfm = NULL;
1693 	struct shash_desc *generic_desc = NULL;
1694 	unsigned int i;
1695 	struct hash_testvec vec = { 0 };
1696 	char vec_name[64];
1697 	struct testvec_config *cfg;
1698 	char cfgname[TESTVEC_CONFIG_NAMELEN];
1699 	int err;
1700 
1701 	if (noextratests)
1702 		return 0;
1703 
1704 	if (!generic_driver) { /* Use default naming convention? */
1705 		err = build_generic_driver_name(algname, _generic_driver);
1706 		if (err)
1707 			return err;
1708 		generic_driver = _generic_driver;
1709 	}
1710 
1711 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1712 		return 0;
1713 
1714 	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1715 	if (IS_ERR(generic_tfm)) {
1716 		err = PTR_ERR(generic_tfm);
1717 		if (err == -ENOENT) {
1718 			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1719 				driver, generic_driver);
1720 			return 0;
1721 		}
1722 		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1723 		       generic_driver, algname, err);
1724 		return err;
1725 	}
1726 
1727 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1728 	if (!cfg) {
1729 		err = -ENOMEM;
1730 		goto out;
1731 	}
1732 
1733 	generic_desc = kzalloc(sizeof(*desc) +
1734 			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1735 	if (!generic_desc) {
1736 		err = -ENOMEM;
1737 		goto out;
1738 	}
1739 	generic_desc->tfm = generic_tfm;
1740 
1741 	/* Check the algorithm properties for consistency. */
1742 
1743 	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1744 		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1745 		       driver, digestsize,
1746 		       crypto_shash_digestsize(generic_tfm));
1747 		err = -EINVAL;
1748 		goto out;
1749 	}
1750 
1751 	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1752 		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1753 		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1754 		err = -EINVAL;
1755 		goto out;
1756 	}
1757 
1758 	/*
1759 	 * Now generate test vectors using the generic implementation, and test
1760 	 * the other implementation against them.
1761 	 */
1762 
1763 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1764 	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1765 	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1766 	if (!vec.key || !vec.plaintext || !vec.digest) {
1767 		err = -ENOMEM;
1768 		goto out;
1769 	}
1770 
1771 	for (i = 0; i < fuzz_iterations * 8; i++) {
1772 		generate_random_hash_testvec(generic_desc, &vec,
1773 					     maxkeysize, maxdatasize,
1774 					     vec_name, sizeof(vec_name));
1775 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1776 
1777 		err = test_hash_vec_cfg(&vec, vec_name, cfg,
1778 					req, desc, tsgl, hashstate);
1779 		if (err)
1780 			goto out;
1781 		cond_resched();
1782 	}
1783 	err = 0;
1784 out:
1785 	kfree(cfg);
1786 	kfree(vec.key);
1787 	kfree(vec.plaintext);
1788 	kfree(vec.digest);
1789 	crypto_free_shash(generic_tfm);
1790 	kfree_sensitive(generic_desc);
1791 	return err;
1792 }
1793 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_hash_vs_generic_impl(const char * generic_driver,unsigned int maxkeysize,struct ahash_request * req,struct shash_desc * desc,struct test_sglist * tsgl,u8 * hashstate)1794 static int test_hash_vs_generic_impl(const char *generic_driver,
1795 				     unsigned int maxkeysize,
1796 				     struct ahash_request *req,
1797 				     struct shash_desc *desc,
1798 				     struct test_sglist *tsgl,
1799 				     u8 *hashstate)
1800 {
1801 	return 0;
1802 }
1803 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1804 
alloc_shash(const char * driver,u32 type,u32 mask,struct crypto_shash ** tfm_ret,struct shash_desc ** desc_ret)1805 static int alloc_shash(const char *driver, u32 type, u32 mask,
1806 		       struct crypto_shash **tfm_ret,
1807 		       struct shash_desc **desc_ret)
1808 {
1809 	struct crypto_shash *tfm;
1810 	struct shash_desc *desc;
1811 
1812 	tfm = crypto_alloc_shash(driver, type, mask);
1813 	if (IS_ERR(tfm)) {
1814 		if (PTR_ERR(tfm) == -ENOENT) {
1815 			/*
1816 			 * This algorithm is only available through the ahash
1817 			 * API, not the shash API, so skip the shash tests.
1818 			 */
1819 			return 0;
1820 		}
1821 		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1822 		       driver, PTR_ERR(tfm));
1823 		return PTR_ERR(tfm);
1824 	}
1825 
1826 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1827 	if (!desc) {
1828 		crypto_free_shash(tfm);
1829 		return -ENOMEM;
1830 	}
1831 	desc->tfm = tfm;
1832 
1833 	*tfm_ret = tfm;
1834 	*desc_ret = desc;
1835 	return 0;
1836 }
1837 
__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)1838 static int __alg_test_hash(const struct hash_testvec *vecs,
1839 			   unsigned int num_vecs, const char *driver,
1840 			   u32 type, u32 mask,
1841 			   const char *generic_driver, unsigned int maxkeysize)
1842 {
1843 	struct crypto_ahash *atfm = NULL;
1844 	struct ahash_request *req = NULL;
1845 	struct crypto_shash *stfm = NULL;
1846 	struct shash_desc *desc = NULL;
1847 	struct test_sglist *tsgl = NULL;
1848 	u8 *hashstate = NULL;
1849 	unsigned int statesize;
1850 	unsigned int i;
1851 	int err;
1852 
1853 	/*
1854 	 * Always test the ahash API.  This works regardless of whether the
1855 	 * algorithm is implemented as ahash or shash.
1856 	 */
1857 
1858 	atfm = crypto_alloc_ahash(driver, type, mask);
1859 	if (IS_ERR(atfm)) {
1860 		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1861 		       driver, PTR_ERR(atfm));
1862 		return PTR_ERR(atfm);
1863 	}
1864 	driver = crypto_ahash_driver_name(atfm);
1865 
1866 	req = ahash_request_alloc(atfm, GFP_KERNEL);
1867 	if (!req) {
1868 		pr_err("alg: hash: failed to allocate request for %s\n",
1869 		       driver);
1870 		err = -ENOMEM;
1871 		goto out;
1872 	}
1873 
1874 	/*
1875 	 * If available also test the shash API, to cover corner cases that may
1876 	 * be missed by testing the ahash API only.
1877 	 */
1878 	err = alloc_shash(driver, type, mask, &stfm, &desc);
1879 	if (err)
1880 		goto out;
1881 
1882 	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1883 	if (!tsgl || init_test_sglist(tsgl) != 0) {
1884 		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1885 		       driver);
1886 		kfree(tsgl);
1887 		tsgl = NULL;
1888 		err = -ENOMEM;
1889 		goto out;
1890 	}
1891 
1892 	statesize = crypto_ahash_statesize(atfm);
1893 	if (stfm)
1894 		statesize = max(statesize, crypto_shash_statesize(stfm));
1895 	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1896 	if (!hashstate) {
1897 		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1898 		       driver);
1899 		err = -ENOMEM;
1900 		goto out;
1901 	}
1902 
1903 	for (i = 0; i < num_vecs; i++) {
1904 		if (fips_enabled && vecs[i].fips_skip)
1905 			continue;
1906 
1907 		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1908 		if (err)
1909 			goto out;
1910 		cond_resched();
1911 	}
1912 	err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1913 					desc, tsgl, hashstate);
1914 out:
1915 	kfree(hashstate);
1916 	if (tsgl) {
1917 		destroy_test_sglist(tsgl);
1918 		kfree(tsgl);
1919 	}
1920 	kfree(desc);
1921 	crypto_free_shash(stfm);
1922 	ahash_request_free(req);
1923 	crypto_free_ahash(atfm);
1924 	return err;
1925 }
1926 
alg_test_hash(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)1927 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1928 			 u32 type, u32 mask)
1929 {
1930 	const struct hash_testvec *template = desc->suite.hash.vecs;
1931 	unsigned int tcount = desc->suite.hash.count;
1932 	unsigned int nr_unkeyed, nr_keyed;
1933 	unsigned int maxkeysize = 0;
1934 	int err;
1935 
1936 	/*
1937 	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1938 	 * first, before setting a key on the tfm.  To make this easier, we
1939 	 * require that the unkeyed test vectors (if any) are listed first.
1940 	 */
1941 
1942 	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1943 		if (template[nr_unkeyed].ksize)
1944 			break;
1945 	}
1946 	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1947 		if (!template[nr_unkeyed + nr_keyed].ksize) {
1948 			pr_err("alg: hash: test vectors for %s out of order, "
1949 			       "unkeyed ones must come first\n", desc->alg);
1950 			return -EINVAL;
1951 		}
1952 		maxkeysize = max_t(unsigned int, maxkeysize,
1953 				   template[nr_unkeyed + nr_keyed].ksize);
1954 	}
1955 
1956 	err = 0;
1957 	if (nr_unkeyed) {
1958 		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1959 				      desc->generic_driver, maxkeysize);
1960 		template += nr_unkeyed;
1961 	}
1962 
1963 	if (!err && nr_keyed)
1964 		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1965 				      desc->generic_driver, maxkeysize);
1966 
1967 	return err;
1968 }
1969 
test_aead_vec_cfg(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)1970 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
1971 			     const char *vec_name,
1972 			     const struct testvec_config *cfg,
1973 			     struct aead_request *req,
1974 			     struct cipher_test_sglists *tsgls)
1975 {
1976 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1977 	const unsigned int alignmask = crypto_aead_alignmask(tfm);
1978 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
1979 	const unsigned int authsize = vec->clen - vec->plen;
1980 	const char *driver = crypto_aead_driver_name(tfm);
1981 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1982 	const char *op = enc ? "encryption" : "decryption";
1983 	DECLARE_CRYPTO_WAIT(wait);
1984 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1985 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1986 		 cfg->iv_offset +
1987 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1988 	struct kvec input[2];
1989 	int err;
1990 
1991 	/* Set the key */
1992 	if (vec->wk)
1993 		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1994 	else
1995 		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1996 
1997 	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1998 			cfg, alignmask);
1999 	if (err && err != vec->setkey_error) {
2000 		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2001 		       driver, vec_name, vec->setkey_error, err,
2002 		       crypto_aead_get_flags(tfm));
2003 		return err;
2004 	}
2005 	if (!err && vec->setkey_error) {
2006 		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2007 		       driver, vec_name, vec->setkey_error);
2008 		return -EINVAL;
2009 	}
2010 
2011 	/* Set the authentication tag size */
2012 	err = crypto_aead_setauthsize(tfm, authsize);
2013 	if (err && err != vec->setauthsize_error) {
2014 		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2015 		       driver, vec_name, vec->setauthsize_error, err);
2016 		return err;
2017 	}
2018 	if (!err && vec->setauthsize_error) {
2019 		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2020 		       driver, vec_name, vec->setauthsize_error);
2021 		return -EINVAL;
2022 	}
2023 
2024 	if (vec->setkey_error || vec->setauthsize_error)
2025 		return 0;
2026 
2027 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2028 	if (WARN_ON(ivsize > MAX_IVLEN))
2029 		return -EINVAL;
2030 	if (vec->iv)
2031 		memcpy(iv, vec->iv, ivsize);
2032 	else
2033 		memset(iv, 0, ivsize);
2034 
2035 	/* Build the src/dst scatterlists */
2036 	input[0].iov_base = (void *)vec->assoc;
2037 	input[0].iov_len = vec->alen;
2038 	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2039 	input[1].iov_len = enc ? vec->plen : vec->clen;
2040 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2041 					vec->alen + (enc ? vec->plen :
2042 						     vec->clen),
2043 					vec->alen + (enc ? vec->clen :
2044 						     vec->plen),
2045 					input, 2);
2046 	if (err) {
2047 		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2048 		       driver, op, vec_name, cfg->name);
2049 		return err;
2050 	}
2051 
2052 	/* Do the actual encryption or decryption */
2053 	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2054 	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2055 	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2056 			       enc ? vec->plen : vec->clen, iv);
2057 	aead_request_set_ad(req, vec->alen);
2058 	if (cfg->nosimd)
2059 		crypto_disable_simd_for_test();
2060 	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2061 	if (cfg->nosimd)
2062 		crypto_reenable_simd_for_test();
2063 	err = crypto_wait_req(err, &wait);
2064 
2065 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2066 	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2067 	    req->assoclen != vec->alen ||
2068 	    req->iv != iv ||
2069 	    req->src != tsgls->src.sgl_ptr ||
2070 	    req->dst != tsgls->dst.sgl_ptr ||
2071 	    crypto_aead_reqtfm(req) != tfm ||
2072 	    req->base.complete != crypto_req_done ||
2073 	    req->base.flags != req_flags ||
2074 	    req->base.data != &wait) {
2075 		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2076 		       driver, op, vec_name, cfg->name);
2077 		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2078 			pr_err("alg: aead: changed 'req->cryptlen'\n");
2079 		if (req->assoclen != vec->alen)
2080 			pr_err("alg: aead: changed 'req->assoclen'\n");
2081 		if (req->iv != iv)
2082 			pr_err("alg: aead: changed 'req->iv'\n");
2083 		if (req->src != tsgls->src.sgl_ptr)
2084 			pr_err("alg: aead: changed 'req->src'\n");
2085 		if (req->dst != tsgls->dst.sgl_ptr)
2086 			pr_err("alg: aead: changed 'req->dst'\n");
2087 		if (crypto_aead_reqtfm(req) != tfm)
2088 			pr_err("alg: aead: changed 'req->base.tfm'\n");
2089 		if (req->base.complete != crypto_req_done)
2090 			pr_err("alg: aead: changed 'req->base.complete'\n");
2091 		if (req->base.flags != req_flags)
2092 			pr_err("alg: aead: changed 'req->base.flags'\n");
2093 		if (req->base.data != &wait)
2094 			pr_err("alg: aead: changed 'req->base.data'\n");
2095 		return -EINVAL;
2096 	}
2097 	if (is_test_sglist_corrupted(&tsgls->src)) {
2098 		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2099 		       driver, op, vec_name, cfg->name);
2100 		return -EINVAL;
2101 	}
2102 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2103 	    is_test_sglist_corrupted(&tsgls->dst)) {
2104 		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2105 		       driver, op, vec_name, cfg->name);
2106 		return -EINVAL;
2107 	}
2108 
2109 	/* Check for unexpected success or failure, or wrong error code */
2110 	if ((err == 0 && vec->novrfy) ||
2111 	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2112 		char expected_error[32];
2113 
2114 		if (vec->novrfy &&
2115 		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2116 			sprintf(expected_error, "-EBADMSG or %d",
2117 				vec->crypt_error);
2118 		else if (vec->novrfy)
2119 			sprintf(expected_error, "-EBADMSG");
2120 		else
2121 			sprintf(expected_error, "%d", vec->crypt_error);
2122 		if (err) {
2123 			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2124 			       driver, op, vec_name, expected_error, err,
2125 			       cfg->name);
2126 			return err;
2127 		}
2128 		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2129 		       driver, op, vec_name, expected_error, cfg->name);
2130 		return -EINVAL;
2131 	}
2132 	if (err) /* Expectedly failed. */
2133 		return 0;
2134 
2135 	/* Check for the correct output (ciphertext or plaintext) */
2136 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2137 				    enc ? vec->clen : vec->plen,
2138 				    vec->alen,
2139 				    enc || cfg->inplace_mode == OUT_OF_PLACE);
2140 	if (err == -EOVERFLOW) {
2141 		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2142 		       driver, op, vec_name, cfg->name);
2143 		return err;
2144 	}
2145 	if (err) {
2146 		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2147 		       driver, op, vec_name, cfg->name);
2148 		return err;
2149 	}
2150 
2151 	return 0;
2152 }
2153 
test_aead_vec(int enc,const struct aead_testvec * vec,unsigned int vec_num,struct aead_request * req,struct cipher_test_sglists * tsgls)2154 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2155 			 unsigned int vec_num, struct aead_request *req,
2156 			 struct cipher_test_sglists *tsgls)
2157 {
2158 	char vec_name[16];
2159 	unsigned int i;
2160 	int err;
2161 
2162 	if (enc && vec->novrfy)
2163 		return 0;
2164 
2165 	sprintf(vec_name, "%u", vec_num);
2166 
2167 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2168 		err = test_aead_vec_cfg(enc, vec, vec_name,
2169 					&default_cipher_testvec_configs[i],
2170 					req, tsgls);
2171 		if (err)
2172 			return err;
2173 	}
2174 
2175 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2176 	if (!noextratests) {
2177 		struct testvec_config cfg;
2178 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2179 
2180 		for (i = 0; i < fuzz_iterations; i++) {
2181 			generate_random_testvec_config(&cfg, cfgname,
2182 						       sizeof(cfgname));
2183 			err = test_aead_vec_cfg(enc, vec, vec_name,
2184 						&cfg, req, tsgls);
2185 			if (err)
2186 				return err;
2187 			cond_resched();
2188 		}
2189 	}
2190 #endif
2191 	return 0;
2192 }
2193 
2194 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2195 
2196 struct aead_extra_tests_ctx {
2197 	struct aead_request *req;
2198 	struct crypto_aead *tfm;
2199 	const struct alg_test_desc *test_desc;
2200 	struct cipher_test_sglists *tsgls;
2201 	unsigned int maxdatasize;
2202 	unsigned int maxkeysize;
2203 
2204 	struct aead_testvec vec;
2205 	char vec_name[64];
2206 	char cfgname[TESTVEC_CONFIG_NAMELEN];
2207 	struct testvec_config cfg;
2208 };
2209 
2210 /*
2211  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2212  * here means the full ciphertext including the authentication tag.  The
2213  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2214  */
mutate_aead_message(struct aead_testvec * vec,bool aad_iv,unsigned int ivsize)2215 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2216 				unsigned int ivsize)
2217 {
2218 	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2219 	const unsigned int authsize = vec->clen - vec->plen;
2220 
2221 	if (prandom_u32_max(2) == 0 && vec->alen > aad_tail_size) {
2222 		 /* Mutate the AAD */
2223 		flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2224 		if (prandom_u32_max(2) == 0)
2225 			return;
2226 	}
2227 	if (prandom_u32_max(2) == 0) {
2228 		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2229 		flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2230 	} else {
2231 		/* Mutate any part of the ciphertext */
2232 		flip_random_bit((u8 *)vec->ctext, vec->clen);
2233 	}
2234 }
2235 
2236 /*
2237  * Minimum authentication tag size in bytes at which we assume that we can
2238  * reliably generate inauthentic messages, i.e. not generate an authentic
2239  * message by chance.
2240  */
2241 #define MIN_COLLISION_FREE_AUTHSIZE 8
2242 
generate_aead_message(struct aead_request * req,const struct aead_test_suite * suite,struct aead_testvec * vec,bool prefer_inauthentic)2243 static void generate_aead_message(struct aead_request *req,
2244 				  const struct aead_test_suite *suite,
2245 				  struct aead_testvec *vec,
2246 				  bool prefer_inauthentic)
2247 {
2248 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2249 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2250 	const unsigned int authsize = vec->clen - vec->plen;
2251 	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2252 				 (prefer_inauthentic || prandom_u32_max(4) == 0);
2253 
2254 	/* Generate the AAD. */
2255 	generate_random_bytes((u8 *)vec->assoc, vec->alen);
2256 	if (suite->aad_iv && vec->alen >= ivsize)
2257 		/* Avoid implementation-defined behavior. */
2258 		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2259 
2260 	if (inauthentic && prandom_u32_max(2) == 0) {
2261 		/* Generate a random ciphertext. */
2262 		generate_random_bytes((u8 *)vec->ctext, vec->clen);
2263 	} else {
2264 		int i = 0;
2265 		struct scatterlist src[2], dst;
2266 		u8 iv[MAX_IVLEN];
2267 		DECLARE_CRYPTO_WAIT(wait);
2268 
2269 		/* Generate a random plaintext and encrypt it. */
2270 		sg_init_table(src, 2);
2271 		if (vec->alen)
2272 			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2273 		if (vec->plen) {
2274 			generate_random_bytes((u8 *)vec->ptext, vec->plen);
2275 			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2276 		}
2277 		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2278 		memcpy(iv, vec->iv, ivsize);
2279 		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2280 		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2281 		aead_request_set_ad(req, vec->alen);
2282 		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2283 						   &wait);
2284 		/* If encryption failed, we're done. */
2285 		if (vec->crypt_error != 0)
2286 			return;
2287 		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2288 		if (!inauthentic)
2289 			return;
2290 		/*
2291 		 * Mutate the authentic (ciphertext, AAD) pair to get an
2292 		 * inauthentic one.
2293 		 */
2294 		mutate_aead_message(vec, suite->aad_iv, ivsize);
2295 	}
2296 	vec->novrfy = 1;
2297 	if (suite->einval_allowed)
2298 		vec->crypt_error = -EINVAL;
2299 }
2300 
2301 /*
2302  * Generate an AEAD test vector 'vec' using the implementation specified by
2303  * 'req'.  The buffers in 'vec' must already be allocated.
2304  *
2305  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2306  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2307  */
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)2308 static void generate_random_aead_testvec(struct aead_request *req,
2309 					 struct aead_testvec *vec,
2310 					 const struct aead_test_suite *suite,
2311 					 unsigned int maxkeysize,
2312 					 unsigned int maxdatasize,
2313 					 char *name, size_t max_namelen,
2314 					 bool prefer_inauthentic)
2315 {
2316 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2317 	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2318 	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2319 	unsigned int authsize;
2320 	unsigned int total_len;
2321 
2322 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2323 	vec->klen = maxkeysize;
2324 	if (prandom_u32_max(4) == 0)
2325 		vec->klen = prandom_u32_max(maxkeysize + 1);
2326 	generate_random_bytes((u8 *)vec->key, vec->klen);
2327 	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2328 
2329 	/* IV */
2330 	generate_random_bytes((u8 *)vec->iv, ivsize);
2331 
2332 	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2333 	authsize = maxauthsize;
2334 	if (prandom_u32_max(4) == 0)
2335 		authsize = prandom_u32_max(maxauthsize + 1);
2336 	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2337 		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2338 	if (WARN_ON(authsize > maxdatasize))
2339 		authsize = maxdatasize;
2340 	maxdatasize -= authsize;
2341 	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2342 
2343 	/* AAD, plaintext, and ciphertext lengths */
2344 	total_len = generate_random_length(maxdatasize);
2345 	if (prandom_u32_max(4) == 0)
2346 		vec->alen = 0;
2347 	else
2348 		vec->alen = generate_random_length(total_len);
2349 	vec->plen = total_len - vec->alen;
2350 	vec->clen = vec->plen + authsize;
2351 
2352 	/*
2353 	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2354 	 * key or the authentication tag size couldn't be set.
2355 	 */
2356 	vec->novrfy = 0;
2357 	vec->crypt_error = 0;
2358 	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2359 		generate_aead_message(req, suite, vec, prefer_inauthentic);
2360 	snprintf(name, max_namelen,
2361 		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2362 		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2363 }
2364 
try_to_generate_inauthentic_testvec(struct aead_extra_tests_ctx * ctx)2365 static void try_to_generate_inauthentic_testvec(
2366 					struct aead_extra_tests_ctx *ctx)
2367 {
2368 	int i;
2369 
2370 	for (i = 0; i < 10; i++) {
2371 		generate_random_aead_testvec(ctx->req, &ctx->vec,
2372 					     &ctx->test_desc->suite.aead,
2373 					     ctx->maxkeysize, ctx->maxdatasize,
2374 					     ctx->vec_name,
2375 					     sizeof(ctx->vec_name), true);
2376 		if (ctx->vec.novrfy)
2377 			return;
2378 	}
2379 }
2380 
2381 /*
2382  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2383  * result of an encryption with the key) and verify that decryption fails.
2384  */
test_aead_inauthentic_inputs(struct aead_extra_tests_ctx * ctx)2385 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2386 {
2387 	unsigned int i;
2388 	int err;
2389 
2390 	for (i = 0; i < fuzz_iterations * 8; i++) {
2391 		/*
2392 		 * Since this part of the tests isn't comparing the
2393 		 * implementation to another, there's no point in testing any
2394 		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2395 		 *
2396 		 * If we're having trouble generating such a test vector, e.g.
2397 		 * if the algorithm keeps rejecting the generated keys, don't
2398 		 * retry forever; just continue on.
2399 		 */
2400 		try_to_generate_inauthentic_testvec(ctx);
2401 		if (ctx->vec.novrfy) {
2402 			generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2403 						       sizeof(ctx->cfgname));
2404 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2405 						ctx->vec_name, &ctx->cfg,
2406 						ctx->req, ctx->tsgls);
2407 			if (err)
2408 				return err;
2409 		}
2410 		cond_resched();
2411 	}
2412 	return 0;
2413 }
2414 
2415 /*
2416  * Test the AEAD algorithm against the corresponding generic implementation, if
2417  * one is available.
2418  */
test_aead_vs_generic_impl(struct aead_extra_tests_ctx * ctx)2419 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2420 {
2421 	struct crypto_aead *tfm = ctx->tfm;
2422 	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2423 	const char *driver = crypto_aead_driver_name(tfm);
2424 	const char *generic_driver = ctx->test_desc->generic_driver;
2425 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2426 	struct crypto_aead *generic_tfm = NULL;
2427 	struct aead_request *generic_req = NULL;
2428 	unsigned int i;
2429 	int err;
2430 
2431 	if (!generic_driver) { /* Use default naming convention? */
2432 		err = build_generic_driver_name(algname, _generic_driver);
2433 		if (err)
2434 			return err;
2435 		generic_driver = _generic_driver;
2436 	}
2437 
2438 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2439 		return 0;
2440 
2441 	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2442 	if (IS_ERR(generic_tfm)) {
2443 		err = PTR_ERR(generic_tfm);
2444 		if (err == -ENOENT) {
2445 			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2446 				driver, generic_driver);
2447 			return 0;
2448 		}
2449 		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2450 		       generic_driver, algname, err);
2451 		return err;
2452 	}
2453 
2454 	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2455 	if (!generic_req) {
2456 		err = -ENOMEM;
2457 		goto out;
2458 	}
2459 
2460 	/* Check the algorithm properties for consistency. */
2461 
2462 	if (crypto_aead_maxauthsize(tfm) !=
2463 	    crypto_aead_maxauthsize(generic_tfm)) {
2464 		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2465 		       driver, crypto_aead_maxauthsize(tfm),
2466 		       crypto_aead_maxauthsize(generic_tfm));
2467 		err = -EINVAL;
2468 		goto out;
2469 	}
2470 
2471 	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2472 		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2473 		       driver, crypto_aead_ivsize(tfm),
2474 		       crypto_aead_ivsize(generic_tfm));
2475 		err = -EINVAL;
2476 		goto out;
2477 	}
2478 
2479 	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2480 		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2481 		       driver, crypto_aead_blocksize(tfm),
2482 		       crypto_aead_blocksize(generic_tfm));
2483 		err = -EINVAL;
2484 		goto out;
2485 	}
2486 
2487 	/*
2488 	 * Now generate test vectors using the generic implementation, and test
2489 	 * the other implementation against them.
2490 	 */
2491 	for (i = 0; i < fuzz_iterations * 8; i++) {
2492 		generate_random_aead_testvec(generic_req, &ctx->vec,
2493 					     &ctx->test_desc->suite.aead,
2494 					     ctx->maxkeysize, ctx->maxdatasize,
2495 					     ctx->vec_name,
2496 					     sizeof(ctx->vec_name), false);
2497 		generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2498 					       sizeof(ctx->cfgname));
2499 		if (!ctx->vec.novrfy) {
2500 			err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2501 						ctx->vec_name, &ctx->cfg,
2502 						ctx->req, ctx->tsgls);
2503 			if (err)
2504 				goto out;
2505 		}
2506 		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2507 			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2508 						ctx->vec_name, &ctx->cfg,
2509 						ctx->req, ctx->tsgls);
2510 			if (err)
2511 				goto out;
2512 		}
2513 		cond_resched();
2514 	}
2515 	err = 0;
2516 out:
2517 	crypto_free_aead(generic_tfm);
2518 	aead_request_free(generic_req);
2519 	return err;
2520 }
2521 
test_aead_extra(const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2522 static int test_aead_extra(const struct alg_test_desc *test_desc,
2523 			   struct aead_request *req,
2524 			   struct cipher_test_sglists *tsgls)
2525 {
2526 	struct aead_extra_tests_ctx *ctx;
2527 	unsigned int i;
2528 	int err;
2529 
2530 	if (noextratests)
2531 		return 0;
2532 
2533 	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2534 	if (!ctx)
2535 		return -ENOMEM;
2536 	ctx->req = req;
2537 	ctx->tfm = crypto_aead_reqtfm(req);
2538 	ctx->test_desc = test_desc;
2539 	ctx->tsgls = tsgls;
2540 	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2541 	ctx->maxkeysize = 0;
2542 	for (i = 0; i < test_desc->suite.aead.count; i++)
2543 		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2544 					test_desc->suite.aead.vecs[i].klen);
2545 
2546 	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2547 	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2548 	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2549 	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2550 	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2551 	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2552 	    !ctx->vec.ptext || !ctx->vec.ctext) {
2553 		err = -ENOMEM;
2554 		goto out;
2555 	}
2556 
2557 	err = test_aead_vs_generic_impl(ctx);
2558 	if (err)
2559 		goto out;
2560 
2561 	err = test_aead_inauthentic_inputs(ctx);
2562 out:
2563 	kfree(ctx->vec.key);
2564 	kfree(ctx->vec.iv);
2565 	kfree(ctx->vec.assoc);
2566 	kfree(ctx->vec.ptext);
2567 	kfree(ctx->vec.ctext);
2568 	kfree(ctx);
2569 	return err;
2570 }
2571 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_aead_extra(const struct alg_test_desc * test_desc,struct aead_request * req,struct cipher_test_sglists * tsgls)2572 static int test_aead_extra(const struct alg_test_desc *test_desc,
2573 			   struct aead_request *req,
2574 			   struct cipher_test_sglists *tsgls)
2575 {
2576 	return 0;
2577 }
2578 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2579 
test_aead(int enc,const struct aead_test_suite * suite,struct aead_request * req,struct cipher_test_sglists * tsgls)2580 static int test_aead(int enc, const struct aead_test_suite *suite,
2581 		     struct aead_request *req,
2582 		     struct cipher_test_sglists *tsgls)
2583 {
2584 	unsigned int i;
2585 	int err;
2586 
2587 	for (i = 0; i < suite->count; i++) {
2588 		err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2589 		if (err)
2590 			return err;
2591 		cond_resched();
2592 	}
2593 	return 0;
2594 }
2595 
alg_test_aead(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)2596 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2597 			 u32 type, u32 mask)
2598 {
2599 	const struct aead_test_suite *suite = &desc->suite.aead;
2600 	struct crypto_aead *tfm;
2601 	struct aead_request *req = NULL;
2602 	struct cipher_test_sglists *tsgls = NULL;
2603 	int err;
2604 
2605 	if (suite->count <= 0) {
2606 		pr_err("alg: aead: empty test suite for %s\n", driver);
2607 		return -EINVAL;
2608 	}
2609 
2610 	tfm = crypto_alloc_aead(driver, type, mask);
2611 	if (IS_ERR(tfm)) {
2612 		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2613 		       driver, PTR_ERR(tfm));
2614 		return PTR_ERR(tfm);
2615 	}
2616 	driver = crypto_aead_driver_name(tfm);
2617 
2618 	req = aead_request_alloc(tfm, GFP_KERNEL);
2619 	if (!req) {
2620 		pr_err("alg: aead: failed to allocate request for %s\n",
2621 		       driver);
2622 		err = -ENOMEM;
2623 		goto out;
2624 	}
2625 
2626 	tsgls = alloc_cipher_test_sglists();
2627 	if (!tsgls) {
2628 		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2629 		       driver);
2630 		err = -ENOMEM;
2631 		goto out;
2632 	}
2633 
2634 	err = test_aead(ENCRYPT, suite, req, tsgls);
2635 	if (err)
2636 		goto out;
2637 
2638 	err = test_aead(DECRYPT, suite, req, tsgls);
2639 	if (err)
2640 		goto out;
2641 
2642 	err = test_aead_extra(desc, req, tsgls);
2643 out:
2644 	free_cipher_test_sglists(tsgls);
2645 	aead_request_free(req);
2646 	crypto_free_aead(tfm);
2647 	return err;
2648 }
2649 
test_cipher(struct crypto_cipher * tfm,int enc,const struct cipher_testvec * template,unsigned int tcount)2650 static int test_cipher(struct crypto_cipher *tfm, int enc,
2651 		       const struct cipher_testvec *template,
2652 		       unsigned int tcount)
2653 {
2654 	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2655 	unsigned int i, j, k;
2656 	char *q;
2657 	const char *e;
2658 	const char *input, *result;
2659 	void *data;
2660 	char *xbuf[XBUFSIZE];
2661 	int ret = -ENOMEM;
2662 
2663 	if (testmgr_alloc_buf(xbuf))
2664 		goto out_nobuf;
2665 
2666 	if (enc == ENCRYPT)
2667 	        e = "encryption";
2668 	else
2669 		e = "decryption";
2670 
2671 	j = 0;
2672 	for (i = 0; i < tcount; i++) {
2673 
2674 		if (fips_enabled && template[i].fips_skip)
2675 			continue;
2676 
2677 		input  = enc ? template[i].ptext : template[i].ctext;
2678 		result = enc ? template[i].ctext : template[i].ptext;
2679 		j++;
2680 
2681 		ret = -EINVAL;
2682 		if (WARN_ON(template[i].len > PAGE_SIZE))
2683 			goto out;
2684 
2685 		data = xbuf[0];
2686 		memcpy(data, input, template[i].len);
2687 
2688 		crypto_cipher_clear_flags(tfm, ~0);
2689 		if (template[i].wk)
2690 			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2691 
2692 		ret = crypto_cipher_setkey(tfm, template[i].key,
2693 					   template[i].klen);
2694 		if (ret) {
2695 			if (ret == template[i].setkey_error)
2696 				continue;
2697 			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2698 			       algo, j, template[i].setkey_error, ret,
2699 			       crypto_cipher_get_flags(tfm));
2700 			goto out;
2701 		}
2702 		if (template[i].setkey_error) {
2703 			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2704 			       algo, j, template[i].setkey_error);
2705 			ret = -EINVAL;
2706 			goto out;
2707 		}
2708 
2709 		for (k = 0; k < template[i].len;
2710 		     k += crypto_cipher_blocksize(tfm)) {
2711 			if (enc)
2712 				crypto_cipher_encrypt_one(tfm, data + k,
2713 							  data + k);
2714 			else
2715 				crypto_cipher_decrypt_one(tfm, data + k,
2716 							  data + k);
2717 		}
2718 
2719 		q = data;
2720 		if (memcmp(q, result, template[i].len)) {
2721 			printk(KERN_ERR "alg: cipher: Test %d failed "
2722 			       "on %s for %s\n", j, e, algo);
2723 			hexdump(q, template[i].len);
2724 			ret = -EINVAL;
2725 			goto out;
2726 		}
2727 	}
2728 
2729 	ret = 0;
2730 
2731 out:
2732 	testmgr_free_buf(xbuf);
2733 out_nobuf:
2734 	return ret;
2735 }
2736 
test_skcipher_vec_cfg(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)2737 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2738 				 const char *vec_name,
2739 				 const struct testvec_config *cfg,
2740 				 struct skcipher_request *req,
2741 				 struct cipher_test_sglists *tsgls)
2742 {
2743 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2744 	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2745 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2746 	const char *driver = crypto_skcipher_driver_name(tfm);
2747 	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2748 	const char *op = enc ? "encryption" : "decryption";
2749 	DECLARE_CRYPTO_WAIT(wait);
2750 	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2751 	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2752 		 cfg->iv_offset +
2753 		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2754 	struct kvec input;
2755 	int err;
2756 
2757 	/* Set the key */
2758 	if (vec->wk)
2759 		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2760 	else
2761 		crypto_skcipher_clear_flags(tfm,
2762 					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2763 	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2764 			cfg, alignmask);
2765 	if (err) {
2766 		if (err == vec->setkey_error)
2767 			return 0;
2768 		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2769 		       driver, vec_name, vec->setkey_error, err,
2770 		       crypto_skcipher_get_flags(tfm));
2771 		return err;
2772 	}
2773 	if (vec->setkey_error) {
2774 		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2775 		       driver, vec_name, vec->setkey_error);
2776 		return -EINVAL;
2777 	}
2778 
2779 	/* The IV must be copied to a buffer, as the algorithm may modify it */
2780 	if (ivsize) {
2781 		if (WARN_ON(ivsize > MAX_IVLEN))
2782 			return -EINVAL;
2783 		if (vec->generates_iv && !enc)
2784 			memcpy(iv, vec->iv_out, ivsize);
2785 		else if (vec->iv)
2786 			memcpy(iv, vec->iv, ivsize);
2787 		else
2788 			memset(iv, 0, ivsize);
2789 	} else {
2790 		if (vec->generates_iv) {
2791 			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2792 			       driver, vec_name);
2793 			return -EINVAL;
2794 		}
2795 		iv = NULL;
2796 	}
2797 
2798 	/* Build the src/dst scatterlists */
2799 	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2800 	input.iov_len = vec->len;
2801 	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2802 					vec->len, vec->len, &input, 1);
2803 	if (err) {
2804 		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2805 		       driver, op, vec_name, cfg->name);
2806 		return err;
2807 	}
2808 
2809 	/* Do the actual encryption or decryption */
2810 	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2811 	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2812 	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2813 				   vec->len, iv);
2814 	if (cfg->nosimd)
2815 		crypto_disable_simd_for_test();
2816 	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2817 	if (cfg->nosimd)
2818 		crypto_reenable_simd_for_test();
2819 	err = crypto_wait_req(err, &wait);
2820 
2821 	/* Check that the algorithm didn't overwrite things it shouldn't have */
2822 	if (req->cryptlen != vec->len ||
2823 	    req->iv != iv ||
2824 	    req->src != tsgls->src.sgl_ptr ||
2825 	    req->dst != tsgls->dst.sgl_ptr ||
2826 	    crypto_skcipher_reqtfm(req) != tfm ||
2827 	    req->base.complete != crypto_req_done ||
2828 	    req->base.flags != req_flags ||
2829 	    req->base.data != &wait) {
2830 		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2831 		       driver, op, vec_name, cfg->name);
2832 		if (req->cryptlen != vec->len)
2833 			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2834 		if (req->iv != iv)
2835 			pr_err("alg: skcipher: changed 'req->iv'\n");
2836 		if (req->src != tsgls->src.sgl_ptr)
2837 			pr_err("alg: skcipher: changed 'req->src'\n");
2838 		if (req->dst != tsgls->dst.sgl_ptr)
2839 			pr_err("alg: skcipher: changed 'req->dst'\n");
2840 		if (crypto_skcipher_reqtfm(req) != tfm)
2841 			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2842 		if (req->base.complete != crypto_req_done)
2843 			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2844 		if (req->base.flags != req_flags)
2845 			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2846 		if (req->base.data != &wait)
2847 			pr_err("alg: skcipher: changed 'req->base.data'\n");
2848 		return -EINVAL;
2849 	}
2850 	if (is_test_sglist_corrupted(&tsgls->src)) {
2851 		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2852 		       driver, op, vec_name, cfg->name);
2853 		return -EINVAL;
2854 	}
2855 	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2856 	    is_test_sglist_corrupted(&tsgls->dst)) {
2857 		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2858 		       driver, op, vec_name, cfg->name);
2859 		return -EINVAL;
2860 	}
2861 
2862 	/* Check for success or failure */
2863 	if (err) {
2864 		if (err == vec->crypt_error)
2865 			return 0;
2866 		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2867 		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2868 		return err;
2869 	}
2870 	if (vec->crypt_error) {
2871 		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2872 		       driver, op, vec_name, vec->crypt_error, cfg->name);
2873 		return -EINVAL;
2874 	}
2875 
2876 	/* Check for the correct output (ciphertext or plaintext) */
2877 	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2878 				    vec->len, 0, true);
2879 	if (err == -EOVERFLOW) {
2880 		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2881 		       driver, op, vec_name, cfg->name);
2882 		return err;
2883 	}
2884 	if (err) {
2885 		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2886 		       driver, op, vec_name, cfg->name);
2887 		return err;
2888 	}
2889 
2890 	/* If applicable, check that the algorithm generated the correct IV */
2891 	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2892 		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2893 		       driver, op, vec_name, cfg->name);
2894 		hexdump(iv, ivsize);
2895 		return -EINVAL;
2896 	}
2897 
2898 	return 0;
2899 }
2900 
test_skcipher_vec(int enc,const struct cipher_testvec * vec,unsigned int vec_num,struct skcipher_request * req,struct cipher_test_sglists * tsgls)2901 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2902 			     unsigned int vec_num,
2903 			     struct skcipher_request *req,
2904 			     struct cipher_test_sglists *tsgls)
2905 {
2906 	char vec_name[16];
2907 	unsigned int i;
2908 	int err;
2909 
2910 	if (fips_enabled && vec->fips_skip)
2911 		return 0;
2912 
2913 	sprintf(vec_name, "%u", vec_num);
2914 
2915 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2916 		err = test_skcipher_vec_cfg(enc, vec, vec_name,
2917 					    &default_cipher_testvec_configs[i],
2918 					    req, tsgls);
2919 		if (err)
2920 			return err;
2921 	}
2922 
2923 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2924 	if (!noextratests) {
2925 		struct testvec_config cfg;
2926 		char cfgname[TESTVEC_CONFIG_NAMELEN];
2927 
2928 		for (i = 0; i < fuzz_iterations; i++) {
2929 			generate_random_testvec_config(&cfg, cfgname,
2930 						       sizeof(cfgname));
2931 			err = test_skcipher_vec_cfg(enc, vec, vec_name,
2932 						    &cfg, req, tsgls);
2933 			if (err)
2934 				return err;
2935 			cond_resched();
2936 		}
2937 	}
2938 #endif
2939 	return 0;
2940 }
2941 
2942 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2943 /*
2944  * Generate a symmetric cipher test vector from the given implementation.
2945  * Assumes the buffers in 'vec' were already allocated.
2946  */
generate_random_cipher_testvec(struct skcipher_request * req,struct cipher_testvec * vec,unsigned int maxdatasize,char * name,size_t max_namelen)2947 static void generate_random_cipher_testvec(struct skcipher_request *req,
2948 					   struct cipher_testvec *vec,
2949 					   unsigned int maxdatasize,
2950 					   char *name, size_t max_namelen)
2951 {
2952 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2953 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2954 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2955 	struct scatterlist src, dst;
2956 	u8 iv[MAX_IVLEN];
2957 	DECLARE_CRYPTO_WAIT(wait);
2958 
2959 	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2960 	vec->klen = maxkeysize;
2961 	if (prandom_u32_max(4) == 0)
2962 		vec->klen = prandom_u32_max(maxkeysize + 1);
2963 	generate_random_bytes((u8 *)vec->key, vec->klen);
2964 	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2965 
2966 	/* IV */
2967 	generate_random_bytes((u8 *)vec->iv, ivsize);
2968 
2969 	/* Plaintext */
2970 	vec->len = generate_random_length(maxdatasize);
2971 	generate_random_bytes((u8 *)vec->ptext, vec->len);
2972 
2973 	/* If the key couldn't be set, no need to continue to encrypt. */
2974 	if (vec->setkey_error)
2975 		goto done;
2976 
2977 	/* Ciphertext */
2978 	sg_init_one(&src, vec->ptext, vec->len);
2979 	sg_init_one(&dst, vec->ctext, vec->len);
2980 	memcpy(iv, vec->iv, ivsize);
2981 	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2982 	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2983 	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2984 	if (vec->crypt_error != 0) {
2985 		/*
2986 		 * The only acceptable error here is for an invalid length, so
2987 		 * skcipher decryption should fail with the same error too.
2988 		 * We'll test for this.  But to keep the API usage well-defined,
2989 		 * explicitly initialize the ciphertext buffer too.
2990 		 */
2991 		memset((u8 *)vec->ctext, 0, vec->len);
2992 	}
2993 done:
2994 	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2995 		 vec->len, vec->klen);
2996 }
2997 
2998 /*
2999  * Test the skcipher algorithm represented by @req against the corresponding
3000  * generic implementation, if one is available.
3001  */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3002 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3003 					 struct skcipher_request *req,
3004 					 struct cipher_test_sglists *tsgls)
3005 {
3006 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3007 	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3008 	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3009 	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3010 	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3011 	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3012 	const char *driver = crypto_skcipher_driver_name(tfm);
3013 	char _generic_driver[CRYPTO_MAX_ALG_NAME];
3014 	struct crypto_skcipher *generic_tfm = NULL;
3015 	struct skcipher_request *generic_req = NULL;
3016 	unsigned int i;
3017 	struct cipher_testvec vec = { 0 };
3018 	char vec_name[64];
3019 	struct testvec_config *cfg;
3020 	char cfgname[TESTVEC_CONFIG_NAMELEN];
3021 	int err;
3022 
3023 	if (noextratests)
3024 		return 0;
3025 
3026 	/* Keywrap isn't supported here yet as it handles its IV differently. */
3027 	if (strncmp(algname, "kw(", 3) == 0)
3028 		return 0;
3029 
3030 	if (!generic_driver) { /* Use default naming convention? */
3031 		err = build_generic_driver_name(algname, _generic_driver);
3032 		if (err)
3033 			return err;
3034 		generic_driver = _generic_driver;
3035 	}
3036 
3037 	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3038 		return 0;
3039 
3040 	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3041 	if (IS_ERR(generic_tfm)) {
3042 		err = PTR_ERR(generic_tfm);
3043 		if (err == -ENOENT) {
3044 			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3045 				driver, generic_driver);
3046 			return 0;
3047 		}
3048 		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3049 		       generic_driver, algname, err);
3050 		return err;
3051 	}
3052 
3053 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3054 	if (!cfg) {
3055 		err = -ENOMEM;
3056 		goto out;
3057 	}
3058 
3059 	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3060 	if (!generic_req) {
3061 		err = -ENOMEM;
3062 		goto out;
3063 	}
3064 
3065 	/* Check the algorithm properties for consistency. */
3066 
3067 	if (crypto_skcipher_min_keysize(tfm) !=
3068 	    crypto_skcipher_min_keysize(generic_tfm)) {
3069 		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3070 		       driver, crypto_skcipher_min_keysize(tfm),
3071 		       crypto_skcipher_min_keysize(generic_tfm));
3072 		err = -EINVAL;
3073 		goto out;
3074 	}
3075 
3076 	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3077 		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3078 		       driver, maxkeysize,
3079 		       crypto_skcipher_max_keysize(generic_tfm));
3080 		err = -EINVAL;
3081 		goto out;
3082 	}
3083 
3084 	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3085 		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3086 		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3087 		err = -EINVAL;
3088 		goto out;
3089 	}
3090 
3091 	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3092 		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3093 		       driver, blocksize,
3094 		       crypto_skcipher_blocksize(generic_tfm));
3095 		err = -EINVAL;
3096 		goto out;
3097 	}
3098 
3099 	/*
3100 	 * Now generate test vectors using the generic implementation, and test
3101 	 * the other implementation against them.
3102 	 */
3103 
3104 	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3105 	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3106 	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3107 	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3108 	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3109 		err = -ENOMEM;
3110 		goto out;
3111 	}
3112 
3113 	for (i = 0; i < fuzz_iterations * 8; i++) {
3114 		generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3115 					       vec_name, sizeof(vec_name));
3116 		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3117 
3118 		err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3119 					    cfg, req, tsgls);
3120 		if (err)
3121 			goto out;
3122 		err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3123 					    cfg, req, tsgls);
3124 		if (err)
3125 			goto out;
3126 		cond_resched();
3127 	}
3128 	err = 0;
3129 out:
3130 	kfree(cfg);
3131 	kfree(vec.key);
3132 	kfree(vec.iv);
3133 	kfree(vec.ptext);
3134 	kfree(vec.ctext);
3135 	crypto_free_skcipher(generic_tfm);
3136 	skcipher_request_free(generic_req);
3137 	return err;
3138 }
3139 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
test_skcipher_vs_generic_impl(const char * generic_driver,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3140 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3141 					 struct skcipher_request *req,
3142 					 struct cipher_test_sglists *tsgls)
3143 {
3144 	return 0;
3145 }
3146 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3147 
test_skcipher(int enc,const struct cipher_test_suite * suite,struct skcipher_request * req,struct cipher_test_sglists * tsgls)3148 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3149 			 struct skcipher_request *req,
3150 			 struct cipher_test_sglists *tsgls)
3151 {
3152 	unsigned int i;
3153 	int err;
3154 
3155 	for (i = 0; i < suite->count; i++) {
3156 		err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3157 		if (err)
3158 			return err;
3159 		cond_resched();
3160 	}
3161 	return 0;
3162 }
3163 
alg_test_skcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3164 static int alg_test_skcipher(const struct alg_test_desc *desc,
3165 			     const char *driver, u32 type, u32 mask)
3166 {
3167 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3168 	struct crypto_skcipher *tfm;
3169 	struct skcipher_request *req = NULL;
3170 	struct cipher_test_sglists *tsgls = NULL;
3171 	int err;
3172 
3173 	if (suite->count <= 0) {
3174 		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3175 		return -EINVAL;
3176 	}
3177 
3178 	tfm = crypto_alloc_skcipher(driver, type, mask);
3179 	if (IS_ERR(tfm)) {
3180 		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3181 		       driver, PTR_ERR(tfm));
3182 		return PTR_ERR(tfm);
3183 	}
3184 	driver = crypto_skcipher_driver_name(tfm);
3185 
3186 	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3187 	if (!req) {
3188 		pr_err("alg: skcipher: failed to allocate request for %s\n",
3189 		       driver);
3190 		err = -ENOMEM;
3191 		goto out;
3192 	}
3193 
3194 	tsgls = alloc_cipher_test_sglists();
3195 	if (!tsgls) {
3196 		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3197 		       driver);
3198 		err = -ENOMEM;
3199 		goto out;
3200 	}
3201 
3202 	err = test_skcipher(ENCRYPT, suite, req, tsgls);
3203 	if (err)
3204 		goto out;
3205 
3206 	err = test_skcipher(DECRYPT, suite, req, tsgls);
3207 	if (err)
3208 		goto out;
3209 
3210 	err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3211 out:
3212 	free_cipher_test_sglists(tsgls);
3213 	skcipher_request_free(req);
3214 	crypto_free_skcipher(tfm);
3215 	return err;
3216 }
3217 
test_comp(struct crypto_comp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3218 static int test_comp(struct crypto_comp *tfm,
3219 		     const struct comp_testvec *ctemplate,
3220 		     const struct comp_testvec *dtemplate,
3221 		     int ctcount, int dtcount)
3222 {
3223 	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3224 	char *output, *decomp_output;
3225 	unsigned int i;
3226 	int ret;
3227 
3228 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3229 	if (!output)
3230 		return -ENOMEM;
3231 
3232 	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3233 	if (!decomp_output) {
3234 		kfree(output);
3235 		return -ENOMEM;
3236 	}
3237 
3238 	for (i = 0; i < ctcount; i++) {
3239 		int ilen;
3240 		unsigned int dlen = COMP_BUF_SIZE;
3241 
3242 		memset(output, 0, COMP_BUF_SIZE);
3243 		memset(decomp_output, 0, COMP_BUF_SIZE);
3244 
3245 		ilen = ctemplate[i].inlen;
3246 		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3247 					   ilen, output, &dlen);
3248 		if (ret) {
3249 			printk(KERN_ERR "alg: comp: compression failed "
3250 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3251 			       -ret);
3252 			goto out;
3253 		}
3254 
3255 		ilen = dlen;
3256 		dlen = COMP_BUF_SIZE;
3257 		ret = crypto_comp_decompress(tfm, output,
3258 					     ilen, decomp_output, &dlen);
3259 		if (ret) {
3260 			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3261 			       i + 1, algo, -ret);
3262 			goto out;
3263 		}
3264 
3265 		if (dlen != ctemplate[i].inlen) {
3266 			printk(KERN_ERR "alg: comp: Compression test %d "
3267 			       "failed for %s: output len = %d\n", i + 1, algo,
3268 			       dlen);
3269 			ret = -EINVAL;
3270 			goto out;
3271 		}
3272 
3273 		if (memcmp(decomp_output, ctemplate[i].input,
3274 			   ctemplate[i].inlen)) {
3275 			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3276 			       i + 1, algo);
3277 			hexdump(decomp_output, dlen);
3278 			ret = -EINVAL;
3279 			goto out;
3280 		}
3281 	}
3282 
3283 	for (i = 0; i < dtcount; i++) {
3284 		int ilen;
3285 		unsigned int dlen = COMP_BUF_SIZE;
3286 
3287 		memset(decomp_output, 0, COMP_BUF_SIZE);
3288 
3289 		ilen = dtemplate[i].inlen;
3290 		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3291 					     ilen, decomp_output, &dlen);
3292 		if (ret) {
3293 			printk(KERN_ERR "alg: comp: decompression failed "
3294 			       "on test %d for %s: ret=%d\n", i + 1, algo,
3295 			       -ret);
3296 			goto out;
3297 		}
3298 
3299 		if (dlen != dtemplate[i].outlen) {
3300 			printk(KERN_ERR "alg: comp: Decompression test %d "
3301 			       "failed for %s: output len = %d\n", i + 1, algo,
3302 			       dlen);
3303 			ret = -EINVAL;
3304 			goto out;
3305 		}
3306 
3307 		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3308 			printk(KERN_ERR "alg: comp: Decompression test %d "
3309 			       "failed for %s\n", i + 1, algo);
3310 			hexdump(decomp_output, dlen);
3311 			ret = -EINVAL;
3312 			goto out;
3313 		}
3314 	}
3315 
3316 	ret = 0;
3317 
3318 out:
3319 	kfree(decomp_output);
3320 	kfree(output);
3321 	return ret;
3322 }
3323 
test_acomp(struct crypto_acomp * tfm,const struct comp_testvec * ctemplate,const struct comp_testvec * dtemplate,int ctcount,int dtcount)3324 static int test_acomp(struct crypto_acomp *tfm,
3325 		      const struct comp_testvec *ctemplate,
3326 		      const struct comp_testvec *dtemplate,
3327 		      int ctcount, int dtcount)
3328 {
3329 	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3330 	unsigned int i;
3331 	char *output, *decomp_out;
3332 	int ret;
3333 	struct scatterlist src, dst;
3334 	struct acomp_req *req;
3335 	struct crypto_wait wait;
3336 
3337 	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3338 	if (!output)
3339 		return -ENOMEM;
3340 
3341 	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3342 	if (!decomp_out) {
3343 		kfree(output);
3344 		return -ENOMEM;
3345 	}
3346 
3347 	for (i = 0; i < ctcount; i++) {
3348 		unsigned int dlen = COMP_BUF_SIZE;
3349 		int ilen = ctemplate[i].inlen;
3350 		void *input_vec;
3351 
3352 		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3353 		if (!input_vec) {
3354 			ret = -ENOMEM;
3355 			goto out;
3356 		}
3357 
3358 		memset(output, 0, dlen);
3359 		crypto_init_wait(&wait);
3360 		sg_init_one(&src, input_vec, ilen);
3361 		sg_init_one(&dst, output, dlen);
3362 
3363 		req = acomp_request_alloc(tfm);
3364 		if (!req) {
3365 			pr_err("alg: acomp: request alloc failed for %s\n",
3366 			       algo);
3367 			kfree(input_vec);
3368 			ret = -ENOMEM;
3369 			goto out;
3370 		}
3371 
3372 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3373 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3374 					   crypto_req_done, &wait);
3375 
3376 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3377 		if (ret) {
3378 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3379 			       i + 1, algo, -ret);
3380 			kfree(input_vec);
3381 			acomp_request_free(req);
3382 			goto out;
3383 		}
3384 
3385 		ilen = req->dlen;
3386 		dlen = COMP_BUF_SIZE;
3387 		sg_init_one(&src, output, ilen);
3388 		sg_init_one(&dst, decomp_out, dlen);
3389 		crypto_init_wait(&wait);
3390 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3391 
3392 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3393 		if (ret) {
3394 			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3395 			       i + 1, algo, -ret);
3396 			kfree(input_vec);
3397 			acomp_request_free(req);
3398 			goto out;
3399 		}
3400 
3401 		if (req->dlen != ctemplate[i].inlen) {
3402 			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3403 			       i + 1, algo, req->dlen);
3404 			ret = -EINVAL;
3405 			kfree(input_vec);
3406 			acomp_request_free(req);
3407 			goto out;
3408 		}
3409 
3410 		if (memcmp(input_vec, decomp_out, req->dlen)) {
3411 			pr_err("alg: acomp: Compression test %d failed for %s\n",
3412 			       i + 1, algo);
3413 			hexdump(output, req->dlen);
3414 			ret = -EINVAL;
3415 			kfree(input_vec);
3416 			acomp_request_free(req);
3417 			goto out;
3418 		}
3419 
3420 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3421 		crypto_init_wait(&wait);
3422 		sg_init_one(&src, input_vec, ilen);
3423 		acomp_request_set_params(req, &src, NULL, ilen, 0);
3424 
3425 		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3426 		if (ret) {
3427 			pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3428 			       i + 1, algo, -ret);
3429 			kfree(input_vec);
3430 			acomp_request_free(req);
3431 			goto out;
3432 		}
3433 #endif
3434 
3435 		kfree(input_vec);
3436 		acomp_request_free(req);
3437 	}
3438 
3439 	for (i = 0; i < dtcount; i++) {
3440 		unsigned int dlen = COMP_BUF_SIZE;
3441 		int ilen = dtemplate[i].inlen;
3442 		void *input_vec;
3443 
3444 		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3445 		if (!input_vec) {
3446 			ret = -ENOMEM;
3447 			goto out;
3448 		}
3449 
3450 		memset(output, 0, dlen);
3451 		crypto_init_wait(&wait);
3452 		sg_init_one(&src, input_vec, ilen);
3453 		sg_init_one(&dst, output, dlen);
3454 
3455 		req = acomp_request_alloc(tfm);
3456 		if (!req) {
3457 			pr_err("alg: acomp: request alloc failed for %s\n",
3458 			       algo);
3459 			kfree(input_vec);
3460 			ret = -ENOMEM;
3461 			goto out;
3462 		}
3463 
3464 		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3465 		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3466 					   crypto_req_done, &wait);
3467 
3468 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3469 		if (ret) {
3470 			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3471 			       i + 1, algo, -ret);
3472 			kfree(input_vec);
3473 			acomp_request_free(req);
3474 			goto out;
3475 		}
3476 
3477 		if (req->dlen != dtemplate[i].outlen) {
3478 			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3479 			       i + 1, algo, req->dlen);
3480 			ret = -EINVAL;
3481 			kfree(input_vec);
3482 			acomp_request_free(req);
3483 			goto out;
3484 		}
3485 
3486 		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3487 			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3488 			       i + 1, algo);
3489 			hexdump(output, req->dlen);
3490 			ret = -EINVAL;
3491 			kfree(input_vec);
3492 			acomp_request_free(req);
3493 			goto out;
3494 		}
3495 
3496 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3497 		crypto_init_wait(&wait);
3498 		acomp_request_set_params(req, &src, NULL, ilen, 0);
3499 
3500 		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3501 		if (ret) {
3502 			pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3503 			       i + 1, algo, -ret);
3504 			kfree(input_vec);
3505 			acomp_request_free(req);
3506 			goto out;
3507 		}
3508 #endif
3509 
3510 		kfree(input_vec);
3511 		acomp_request_free(req);
3512 	}
3513 
3514 	ret = 0;
3515 
3516 out:
3517 	kfree(decomp_out);
3518 	kfree(output);
3519 	return ret;
3520 }
3521 
test_cprng(struct crypto_rng * tfm,const struct cprng_testvec * template,unsigned int tcount)3522 static int test_cprng(struct crypto_rng *tfm,
3523 		      const struct cprng_testvec *template,
3524 		      unsigned int tcount)
3525 {
3526 	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3527 	int err = 0, i, j, seedsize;
3528 	u8 *seed;
3529 	char result[32];
3530 
3531 	seedsize = crypto_rng_seedsize(tfm);
3532 
3533 	seed = kmalloc(seedsize, GFP_KERNEL);
3534 	if (!seed) {
3535 		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3536 		       "for %s\n", algo);
3537 		return -ENOMEM;
3538 	}
3539 
3540 	for (i = 0; i < tcount; i++) {
3541 		memset(result, 0, 32);
3542 
3543 		memcpy(seed, template[i].v, template[i].vlen);
3544 		memcpy(seed + template[i].vlen, template[i].key,
3545 		       template[i].klen);
3546 		memcpy(seed + template[i].vlen + template[i].klen,
3547 		       template[i].dt, template[i].dtlen);
3548 
3549 		err = crypto_rng_reset(tfm, seed, seedsize);
3550 		if (err) {
3551 			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3552 			       "for %s\n", algo);
3553 			goto out;
3554 		}
3555 
3556 		for (j = 0; j < template[i].loops; j++) {
3557 			err = crypto_rng_get_bytes(tfm, result,
3558 						   template[i].rlen);
3559 			if (err < 0) {
3560 				printk(KERN_ERR "alg: cprng: Failed to obtain "
3561 				       "the correct amount of random data for "
3562 				       "%s (requested %d)\n", algo,
3563 				       template[i].rlen);
3564 				goto out;
3565 			}
3566 		}
3567 
3568 		err = memcmp(result, template[i].result,
3569 			     template[i].rlen);
3570 		if (err) {
3571 			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3572 			       i, algo);
3573 			hexdump(result, template[i].rlen);
3574 			err = -EINVAL;
3575 			goto out;
3576 		}
3577 	}
3578 
3579 out:
3580 	kfree(seed);
3581 	return err;
3582 }
3583 
alg_test_cipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3584 static int alg_test_cipher(const struct alg_test_desc *desc,
3585 			   const char *driver, u32 type, u32 mask)
3586 {
3587 	const struct cipher_test_suite *suite = &desc->suite.cipher;
3588 	struct crypto_cipher *tfm;
3589 	int err;
3590 
3591 	tfm = crypto_alloc_cipher(driver, type, mask);
3592 	if (IS_ERR(tfm)) {
3593 		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3594 		       "%s: %ld\n", driver, PTR_ERR(tfm));
3595 		return PTR_ERR(tfm);
3596 	}
3597 
3598 	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3599 	if (!err)
3600 		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3601 
3602 	crypto_free_cipher(tfm);
3603 	return err;
3604 }
3605 
alg_test_comp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3606 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3607 			 u32 type, u32 mask)
3608 {
3609 	struct crypto_comp *comp;
3610 	struct crypto_acomp *acomp;
3611 	int err;
3612 	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3613 
3614 	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3615 		acomp = crypto_alloc_acomp(driver, type, mask);
3616 		if (IS_ERR(acomp)) {
3617 			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3618 			       driver, PTR_ERR(acomp));
3619 			return PTR_ERR(acomp);
3620 		}
3621 		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3622 				 desc->suite.comp.decomp.vecs,
3623 				 desc->suite.comp.comp.count,
3624 				 desc->suite.comp.decomp.count);
3625 		crypto_free_acomp(acomp);
3626 	} else {
3627 		comp = crypto_alloc_comp(driver, type, mask);
3628 		if (IS_ERR(comp)) {
3629 			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3630 			       driver, PTR_ERR(comp));
3631 			return PTR_ERR(comp);
3632 		}
3633 
3634 		err = test_comp(comp, desc->suite.comp.comp.vecs,
3635 				desc->suite.comp.decomp.vecs,
3636 				desc->suite.comp.comp.count,
3637 				desc->suite.comp.decomp.count);
3638 
3639 		crypto_free_comp(comp);
3640 	}
3641 	return err;
3642 }
3643 
alg_test_crc32c(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3644 static int alg_test_crc32c(const struct alg_test_desc *desc,
3645 			   const char *driver, u32 type, u32 mask)
3646 {
3647 	struct crypto_shash *tfm;
3648 	__le32 val;
3649 	int err;
3650 
3651 	err = alg_test_hash(desc, driver, type, mask);
3652 	if (err)
3653 		return err;
3654 
3655 	tfm = crypto_alloc_shash(driver, type, mask);
3656 	if (IS_ERR(tfm)) {
3657 		if (PTR_ERR(tfm) == -ENOENT) {
3658 			/*
3659 			 * This crc32c implementation is only available through
3660 			 * ahash API, not the shash API, so the remaining part
3661 			 * of the test is not applicable to it.
3662 			 */
3663 			return 0;
3664 		}
3665 		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3666 		       "%ld\n", driver, PTR_ERR(tfm));
3667 		return PTR_ERR(tfm);
3668 	}
3669 	driver = crypto_shash_driver_name(tfm);
3670 
3671 	do {
3672 		SHASH_DESC_ON_STACK(shash, tfm);
3673 		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3674 
3675 		shash->tfm = tfm;
3676 
3677 		*ctx = 420553207;
3678 		err = crypto_shash_final(shash, (u8 *)&val);
3679 		if (err) {
3680 			printk(KERN_ERR "alg: crc32c: Operation failed for "
3681 			       "%s: %d\n", driver, err);
3682 			break;
3683 		}
3684 
3685 		if (val != cpu_to_le32(~420553207)) {
3686 			pr_err("alg: crc32c: Test failed for %s: %u\n",
3687 			       driver, le32_to_cpu(val));
3688 			err = -EINVAL;
3689 		}
3690 	} while (0);
3691 
3692 	crypto_free_shash(tfm);
3693 
3694 	return err;
3695 }
3696 
alg_test_cprng(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3697 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3698 			  u32 type, u32 mask)
3699 {
3700 	struct crypto_rng *rng;
3701 	int err;
3702 
3703 	rng = crypto_alloc_rng(driver, type, mask);
3704 	if (IS_ERR(rng)) {
3705 		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3706 		       "%ld\n", driver, PTR_ERR(rng));
3707 		return PTR_ERR(rng);
3708 	}
3709 
3710 	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3711 
3712 	crypto_free_rng(rng);
3713 
3714 	return err;
3715 }
3716 
3717 
drbg_cavs_test(const struct drbg_testvec * test,int pr,const char * driver,u32 type,u32 mask)3718 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3719 			  const char *driver, u32 type, u32 mask)
3720 {
3721 	int ret = -EAGAIN;
3722 	struct crypto_rng *drng;
3723 	struct drbg_test_data test_data;
3724 	struct drbg_string addtl, pers, testentropy;
3725 	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3726 
3727 	if (!buf)
3728 		return -ENOMEM;
3729 
3730 	drng = crypto_alloc_rng(driver, type, mask);
3731 	if (IS_ERR(drng)) {
3732 		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3733 		       "%s\n", driver);
3734 		kfree_sensitive(buf);
3735 		return -ENOMEM;
3736 	}
3737 
3738 	test_data.testentropy = &testentropy;
3739 	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3740 	drbg_string_fill(&pers, test->pers, test->perslen);
3741 	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3742 	if (ret) {
3743 		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3744 		goto outbuf;
3745 	}
3746 
3747 	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3748 	if (pr) {
3749 		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3750 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3751 			buf, test->expectedlen, &addtl,	&test_data);
3752 	} else {
3753 		ret = crypto_drbg_get_bytes_addtl(drng,
3754 			buf, test->expectedlen, &addtl);
3755 	}
3756 	if (ret < 0) {
3757 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3758 		       "driver %s\n", driver);
3759 		goto outbuf;
3760 	}
3761 
3762 	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3763 	if (pr) {
3764 		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3765 		ret = crypto_drbg_get_bytes_addtl_test(drng,
3766 			buf, test->expectedlen, &addtl, &test_data);
3767 	} else {
3768 		ret = crypto_drbg_get_bytes_addtl(drng,
3769 			buf, test->expectedlen, &addtl);
3770 	}
3771 	if (ret < 0) {
3772 		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3773 		       "driver %s\n", driver);
3774 		goto outbuf;
3775 	}
3776 
3777 	ret = memcmp(test->expected, buf, test->expectedlen);
3778 
3779 outbuf:
3780 	crypto_free_rng(drng);
3781 	kfree_sensitive(buf);
3782 	return ret;
3783 }
3784 
3785 
alg_test_drbg(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3786 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3787 			 u32 type, u32 mask)
3788 {
3789 	int err = 0;
3790 	int pr = 0;
3791 	int i = 0;
3792 	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3793 	unsigned int tcount = desc->suite.drbg.count;
3794 
3795 	if (0 == memcmp(driver, "drbg_pr_", 8))
3796 		pr = 1;
3797 
3798 	for (i = 0; i < tcount; i++) {
3799 		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3800 		if (err) {
3801 			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3802 			       i, driver);
3803 			err = -EINVAL;
3804 			break;
3805 		}
3806 	}
3807 	return err;
3808 
3809 }
3810 
do_test_kpp(struct crypto_kpp * tfm,const struct kpp_testvec * vec,const char * alg)3811 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3812 		       const char *alg)
3813 {
3814 	struct kpp_request *req;
3815 	void *input_buf = NULL;
3816 	void *output_buf = NULL;
3817 	void *a_public = NULL;
3818 	void *a_ss = NULL;
3819 	void *shared_secret = NULL;
3820 	struct crypto_wait wait;
3821 	unsigned int out_len_max;
3822 	int err = -ENOMEM;
3823 	struct scatterlist src, dst;
3824 
3825 	req = kpp_request_alloc(tfm, GFP_KERNEL);
3826 	if (!req)
3827 		return err;
3828 
3829 	crypto_init_wait(&wait);
3830 
3831 	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3832 	if (err < 0)
3833 		goto free_req;
3834 
3835 	out_len_max = crypto_kpp_maxsize(tfm);
3836 	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3837 	if (!output_buf) {
3838 		err = -ENOMEM;
3839 		goto free_req;
3840 	}
3841 
3842 	/* Use appropriate parameter as base */
3843 	kpp_request_set_input(req, NULL, 0);
3844 	sg_init_one(&dst, output_buf, out_len_max);
3845 	kpp_request_set_output(req, &dst, out_len_max);
3846 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3847 				 crypto_req_done, &wait);
3848 
3849 	/* Compute party A's public key */
3850 	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3851 	if (err) {
3852 		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3853 		       alg, err);
3854 		goto free_output;
3855 	}
3856 
3857 	if (vec->genkey) {
3858 		/* Save party A's public key */
3859 		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3860 		if (!a_public) {
3861 			err = -ENOMEM;
3862 			goto free_output;
3863 		}
3864 	} else {
3865 		/* Verify calculated public key */
3866 		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3867 			   vec->expected_a_public_size)) {
3868 			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3869 			       alg);
3870 			err = -EINVAL;
3871 			goto free_output;
3872 		}
3873 	}
3874 
3875 	/* Calculate shared secret key by using counter part (b) public key. */
3876 	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3877 	if (!input_buf) {
3878 		err = -ENOMEM;
3879 		goto free_output;
3880 	}
3881 
3882 	sg_init_one(&src, input_buf, vec->b_public_size);
3883 	sg_init_one(&dst, output_buf, out_len_max);
3884 	kpp_request_set_input(req, &src, vec->b_public_size);
3885 	kpp_request_set_output(req, &dst, out_len_max);
3886 	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3887 				 crypto_req_done, &wait);
3888 	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3889 	if (err) {
3890 		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3891 		       alg, err);
3892 		goto free_all;
3893 	}
3894 
3895 	if (vec->genkey) {
3896 		/* Save the shared secret obtained by party A */
3897 		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3898 		if (!a_ss) {
3899 			err = -ENOMEM;
3900 			goto free_all;
3901 		}
3902 
3903 		/*
3904 		 * Calculate party B's shared secret by using party A's
3905 		 * public key.
3906 		 */
3907 		err = crypto_kpp_set_secret(tfm, vec->b_secret,
3908 					    vec->b_secret_size);
3909 		if (err < 0)
3910 			goto free_all;
3911 
3912 		sg_init_one(&src, a_public, vec->expected_a_public_size);
3913 		sg_init_one(&dst, output_buf, out_len_max);
3914 		kpp_request_set_input(req, &src, vec->expected_a_public_size);
3915 		kpp_request_set_output(req, &dst, out_len_max);
3916 		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3917 					 crypto_req_done, &wait);
3918 		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3919 				      &wait);
3920 		if (err) {
3921 			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3922 			       alg, err);
3923 			goto free_all;
3924 		}
3925 
3926 		shared_secret = a_ss;
3927 	} else {
3928 		shared_secret = (void *)vec->expected_ss;
3929 	}
3930 
3931 	/*
3932 	 * verify shared secret from which the user will derive
3933 	 * secret key by executing whatever hash it has chosen
3934 	 */
3935 	if (memcmp(shared_secret, sg_virt(req->dst),
3936 		   vec->expected_ss_size)) {
3937 		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3938 		       alg);
3939 		err = -EINVAL;
3940 	}
3941 
3942 free_all:
3943 	kfree(a_ss);
3944 	kfree(input_buf);
3945 free_output:
3946 	kfree(a_public);
3947 	kfree(output_buf);
3948 free_req:
3949 	kpp_request_free(req);
3950 	return err;
3951 }
3952 
test_kpp(struct crypto_kpp * tfm,const char * alg,const struct kpp_testvec * vecs,unsigned int tcount)3953 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3954 		    const struct kpp_testvec *vecs, unsigned int tcount)
3955 {
3956 	int ret, i;
3957 
3958 	for (i = 0; i < tcount; i++) {
3959 		ret = do_test_kpp(tfm, vecs++, alg);
3960 		if (ret) {
3961 			pr_err("alg: %s: test failed on vector %d, err=%d\n",
3962 			       alg, i + 1, ret);
3963 			return ret;
3964 		}
3965 	}
3966 	return 0;
3967 }
3968 
alg_test_kpp(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)3969 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3970 			u32 type, u32 mask)
3971 {
3972 	struct crypto_kpp *tfm;
3973 	int err = 0;
3974 
3975 	tfm = crypto_alloc_kpp(driver, type, mask);
3976 	if (IS_ERR(tfm)) {
3977 		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3978 		       driver, PTR_ERR(tfm));
3979 		return PTR_ERR(tfm);
3980 	}
3981 	if (desc->suite.kpp.vecs)
3982 		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3983 			       desc->suite.kpp.count);
3984 
3985 	crypto_free_kpp(tfm);
3986 	return err;
3987 }
3988 
test_pack_u32(u8 * dst,u32 val)3989 static u8 *test_pack_u32(u8 *dst, u32 val)
3990 {
3991 	memcpy(dst, &val, sizeof(val));
3992 	return dst + sizeof(val);
3993 }
3994 
test_akcipher_one(struct crypto_akcipher * tfm,const struct akcipher_testvec * vecs)3995 static int test_akcipher_one(struct crypto_akcipher *tfm,
3996 			     const struct akcipher_testvec *vecs)
3997 {
3998 	char *xbuf[XBUFSIZE];
3999 	struct akcipher_request *req;
4000 	void *outbuf_enc = NULL;
4001 	void *outbuf_dec = NULL;
4002 	struct crypto_wait wait;
4003 	unsigned int out_len_max, out_len = 0;
4004 	int err = -ENOMEM;
4005 	struct scatterlist src, dst, src_tab[3];
4006 	const char *m, *c;
4007 	unsigned int m_size, c_size;
4008 	const char *op;
4009 	u8 *key, *ptr;
4010 
4011 	if (testmgr_alloc_buf(xbuf))
4012 		return err;
4013 
4014 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
4015 	if (!req)
4016 		goto free_xbuf;
4017 
4018 	crypto_init_wait(&wait);
4019 
4020 	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4021 		      GFP_KERNEL);
4022 	if (!key)
4023 		goto free_req;
4024 	memcpy(key, vecs->key, vecs->key_len);
4025 	ptr = key + vecs->key_len;
4026 	ptr = test_pack_u32(ptr, vecs->algo);
4027 	ptr = test_pack_u32(ptr, vecs->param_len);
4028 	memcpy(ptr, vecs->params, vecs->param_len);
4029 
4030 	if (vecs->public_key_vec)
4031 		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4032 	else
4033 		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4034 	if (err)
4035 		goto free_key;
4036 
4037 	/*
4038 	 * First run test which do not require a private key, such as
4039 	 * encrypt or verify.
4040 	 */
4041 	err = -ENOMEM;
4042 	out_len_max = crypto_akcipher_maxsize(tfm);
4043 	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4044 	if (!outbuf_enc)
4045 		goto free_key;
4046 
4047 	if (!vecs->siggen_sigver_test) {
4048 		m = vecs->m;
4049 		m_size = vecs->m_size;
4050 		c = vecs->c;
4051 		c_size = vecs->c_size;
4052 		op = "encrypt";
4053 	} else {
4054 		/* Swap args so we could keep plaintext (digest)
4055 		 * in vecs->m, and cooked signature in vecs->c.
4056 		 */
4057 		m = vecs->c; /* signature */
4058 		m_size = vecs->c_size;
4059 		c = vecs->m; /* digest */
4060 		c_size = vecs->m_size;
4061 		op = "verify";
4062 	}
4063 
4064 	err = -E2BIG;
4065 	if (WARN_ON(m_size > PAGE_SIZE))
4066 		goto free_all;
4067 	memcpy(xbuf[0], m, m_size);
4068 
4069 	sg_init_table(src_tab, 3);
4070 	sg_set_buf(&src_tab[0], xbuf[0], 8);
4071 	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4072 	if (vecs->siggen_sigver_test) {
4073 		if (WARN_ON(c_size > PAGE_SIZE))
4074 			goto free_all;
4075 		memcpy(xbuf[1], c, c_size);
4076 		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4077 		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4078 	} else {
4079 		sg_init_one(&dst, outbuf_enc, out_len_max);
4080 		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4081 					   out_len_max);
4082 	}
4083 	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4084 				      crypto_req_done, &wait);
4085 
4086 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4087 			      /* Run asymmetric signature verification */
4088 			      crypto_akcipher_verify(req) :
4089 			      /* Run asymmetric encrypt */
4090 			      crypto_akcipher_encrypt(req), &wait);
4091 	if (err) {
4092 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4093 		goto free_all;
4094 	}
4095 	if (!vecs->siggen_sigver_test && c) {
4096 		if (req->dst_len != c_size) {
4097 			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4098 			       op);
4099 			err = -EINVAL;
4100 			goto free_all;
4101 		}
4102 		/* verify that encrypted message is equal to expected */
4103 		if (memcmp(c, outbuf_enc, c_size) != 0) {
4104 			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4105 			       op);
4106 			hexdump(outbuf_enc, c_size);
4107 			err = -EINVAL;
4108 			goto free_all;
4109 		}
4110 	}
4111 
4112 	/*
4113 	 * Don't invoke (decrypt or sign) test which require a private key
4114 	 * for vectors with only a public key.
4115 	 */
4116 	if (vecs->public_key_vec) {
4117 		err = 0;
4118 		goto free_all;
4119 	}
4120 	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4121 	if (!outbuf_dec) {
4122 		err = -ENOMEM;
4123 		goto free_all;
4124 	}
4125 
4126 	if (!vecs->siggen_sigver_test && !c) {
4127 		c = outbuf_enc;
4128 		c_size = req->dst_len;
4129 	}
4130 
4131 	err = -E2BIG;
4132 	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4133 	if (WARN_ON(c_size > PAGE_SIZE))
4134 		goto free_all;
4135 	memcpy(xbuf[0], c, c_size);
4136 
4137 	sg_init_one(&src, xbuf[0], c_size);
4138 	sg_init_one(&dst, outbuf_dec, out_len_max);
4139 	crypto_init_wait(&wait);
4140 	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4141 
4142 	err = crypto_wait_req(vecs->siggen_sigver_test ?
4143 			      /* Run asymmetric signature generation */
4144 			      crypto_akcipher_sign(req) :
4145 			      /* Run asymmetric decrypt */
4146 			      crypto_akcipher_decrypt(req), &wait);
4147 	if (err) {
4148 		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4149 		goto free_all;
4150 	}
4151 	out_len = req->dst_len;
4152 	if (out_len < m_size) {
4153 		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4154 		       op, out_len);
4155 		err = -EINVAL;
4156 		goto free_all;
4157 	}
4158 	/* verify that decrypted message is equal to the original msg */
4159 	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4160 	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4161 		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4162 		hexdump(outbuf_dec, out_len);
4163 		err = -EINVAL;
4164 	}
4165 free_all:
4166 	kfree(outbuf_dec);
4167 	kfree(outbuf_enc);
4168 free_key:
4169 	kfree(key);
4170 free_req:
4171 	akcipher_request_free(req);
4172 free_xbuf:
4173 	testmgr_free_buf(xbuf);
4174 	return err;
4175 }
4176 
test_akcipher(struct crypto_akcipher * tfm,const char * alg,const struct akcipher_testvec * vecs,unsigned int tcount)4177 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4178 			 const struct akcipher_testvec *vecs,
4179 			 unsigned int tcount)
4180 {
4181 	const char *algo =
4182 		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4183 	int ret, i;
4184 
4185 	for (i = 0; i < tcount; i++) {
4186 		ret = test_akcipher_one(tfm, vecs++);
4187 		if (!ret)
4188 			continue;
4189 
4190 		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4191 		       i + 1, algo, ret);
4192 		return ret;
4193 	}
4194 	return 0;
4195 }
4196 
alg_test_akcipher(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4197 static int alg_test_akcipher(const struct alg_test_desc *desc,
4198 			     const char *driver, u32 type, u32 mask)
4199 {
4200 	struct crypto_akcipher *tfm;
4201 	int err = 0;
4202 
4203 	tfm = crypto_alloc_akcipher(driver, type, mask);
4204 	if (IS_ERR(tfm)) {
4205 		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4206 		       driver, PTR_ERR(tfm));
4207 		return PTR_ERR(tfm);
4208 	}
4209 	if (desc->suite.akcipher.vecs)
4210 		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4211 				    desc->suite.akcipher.count);
4212 
4213 	crypto_free_akcipher(tfm);
4214 	return err;
4215 }
4216 
alg_test_null(const struct alg_test_desc * desc,const char * driver,u32 type,u32 mask)4217 static int alg_test_null(const struct alg_test_desc *desc,
4218 			     const char *driver, u32 type, u32 mask)
4219 {
4220 	return 0;
4221 }
4222 
4223 #define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4224 #define __VECS(tv)	{ ____VECS(tv) }
4225 
4226 /* Please keep this list sorted by algorithm name. */
4227 static const struct alg_test_desc alg_test_descs[] = {
4228 	{
4229 		.alg = "adiantum(xchacha12,aes)",
4230 		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4231 		.test = alg_test_skcipher,
4232 		.suite = {
4233 			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4234 		},
4235 	}, {
4236 		.alg = "adiantum(xchacha20,aes)",
4237 		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4238 		.test = alg_test_skcipher,
4239 		.suite = {
4240 			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4241 		},
4242 	}, {
4243 		.alg = "aegis128",
4244 		.test = alg_test_aead,
4245 		.suite = {
4246 			.aead = __VECS(aegis128_tv_template)
4247 		}
4248 	}, {
4249 		.alg = "ansi_cprng",
4250 		.test = alg_test_cprng,
4251 		.suite = {
4252 			.cprng = __VECS(ansi_cprng_aes_tv_template)
4253 		}
4254 	}, {
4255 		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4256 		.test = alg_test_aead,
4257 		.suite = {
4258 			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4259 		}
4260 	}, {
4261 		.alg = "authenc(hmac(sha1),cbc(aes))",
4262 		.test = alg_test_aead,
4263 		.fips_allowed = 1,
4264 		.suite = {
4265 			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4266 		}
4267 	}, {
4268 		.alg = "authenc(hmac(sha1),cbc(des))",
4269 		.test = alg_test_aead,
4270 		.suite = {
4271 			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4272 		}
4273 	}, {
4274 		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4275 		.test = alg_test_aead,
4276 		.suite = {
4277 			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4278 		}
4279 	}, {
4280 		.alg = "authenc(hmac(sha1),ctr(aes))",
4281 		.test = alg_test_null,
4282 		.fips_allowed = 1,
4283 	}, {
4284 		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4285 		.test = alg_test_aead,
4286 		.suite = {
4287 			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4288 		}
4289 	}, {
4290 		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4291 		.test = alg_test_null,
4292 		.fips_allowed = 1,
4293 	}, {
4294 		.alg = "authenc(hmac(sha224),cbc(des))",
4295 		.test = alg_test_aead,
4296 		.suite = {
4297 			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4298 		}
4299 	}, {
4300 		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4301 		.test = alg_test_aead,
4302 		.suite = {
4303 			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4304 		}
4305 	}, {
4306 		.alg = "authenc(hmac(sha256),cbc(aes))",
4307 		.test = alg_test_aead,
4308 		.fips_allowed = 1,
4309 		.suite = {
4310 			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4311 		}
4312 	}, {
4313 		.alg = "authenc(hmac(sha256),cbc(des))",
4314 		.test = alg_test_aead,
4315 		.suite = {
4316 			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4317 		}
4318 	}, {
4319 		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4320 		.test = alg_test_aead,
4321 		.suite = {
4322 			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4323 		}
4324 	}, {
4325 		.alg = "authenc(hmac(sha256),ctr(aes))",
4326 		.test = alg_test_null,
4327 		.fips_allowed = 1,
4328 	}, {
4329 		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4330 		.test = alg_test_null,
4331 		.fips_allowed = 1,
4332 	}, {
4333 		.alg = "authenc(hmac(sha384),cbc(des))",
4334 		.test = alg_test_aead,
4335 		.suite = {
4336 			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4337 		}
4338 	}, {
4339 		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4340 		.test = alg_test_aead,
4341 		.suite = {
4342 			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4343 		}
4344 	}, {
4345 		.alg = "authenc(hmac(sha384),ctr(aes))",
4346 		.test = alg_test_null,
4347 		.fips_allowed = 1,
4348 	}, {
4349 		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4350 		.test = alg_test_null,
4351 		.fips_allowed = 1,
4352 	}, {
4353 		.alg = "authenc(hmac(sha512),cbc(aes))",
4354 		.fips_allowed = 1,
4355 		.test = alg_test_aead,
4356 		.suite = {
4357 			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4358 		}
4359 	}, {
4360 		.alg = "authenc(hmac(sha512),cbc(des))",
4361 		.test = alg_test_aead,
4362 		.suite = {
4363 			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4364 		}
4365 	}, {
4366 		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4367 		.test = alg_test_aead,
4368 		.suite = {
4369 			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4370 		}
4371 	}, {
4372 		.alg = "authenc(hmac(sha512),ctr(aes))",
4373 		.test = alg_test_null,
4374 		.fips_allowed = 1,
4375 	}, {
4376 		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4377 		.test = alg_test_null,
4378 		.fips_allowed = 1,
4379 	}, {
4380 		.alg = "blake2b-160",
4381 		.test = alg_test_hash,
4382 		.fips_allowed = 0,
4383 		.suite = {
4384 			.hash = __VECS(blake2b_160_tv_template)
4385 		}
4386 	}, {
4387 		.alg = "blake2b-256",
4388 		.test = alg_test_hash,
4389 		.fips_allowed = 0,
4390 		.suite = {
4391 			.hash = __VECS(blake2b_256_tv_template)
4392 		}
4393 	}, {
4394 		.alg = "blake2b-384",
4395 		.test = alg_test_hash,
4396 		.fips_allowed = 0,
4397 		.suite = {
4398 			.hash = __VECS(blake2b_384_tv_template)
4399 		}
4400 	}, {
4401 		.alg = "blake2b-512",
4402 		.test = alg_test_hash,
4403 		.fips_allowed = 0,
4404 		.suite = {
4405 			.hash = __VECS(blake2b_512_tv_template)
4406 		}
4407 	}, {
4408 		.alg = "cbc(aes)",
4409 		.test = alg_test_skcipher,
4410 		.fips_allowed = 1,
4411 		.suite = {
4412 			.cipher = __VECS(aes_cbc_tv_template)
4413 		},
4414 	}, {
4415 		.alg = "cbc(anubis)",
4416 		.test = alg_test_skcipher,
4417 		.suite = {
4418 			.cipher = __VECS(anubis_cbc_tv_template)
4419 		},
4420 	}, {
4421 		.alg = "cbc(aria)",
4422 		.test = alg_test_skcipher,
4423 		.suite = {
4424 			.cipher = __VECS(aria_cbc_tv_template)
4425 		},
4426 	}, {
4427 		.alg = "cbc(blowfish)",
4428 		.test = alg_test_skcipher,
4429 		.suite = {
4430 			.cipher = __VECS(bf_cbc_tv_template)
4431 		},
4432 	}, {
4433 		.alg = "cbc(camellia)",
4434 		.test = alg_test_skcipher,
4435 		.suite = {
4436 			.cipher = __VECS(camellia_cbc_tv_template)
4437 		},
4438 	}, {
4439 		.alg = "cbc(cast5)",
4440 		.test = alg_test_skcipher,
4441 		.suite = {
4442 			.cipher = __VECS(cast5_cbc_tv_template)
4443 		},
4444 	}, {
4445 		.alg = "cbc(cast6)",
4446 		.test = alg_test_skcipher,
4447 		.suite = {
4448 			.cipher = __VECS(cast6_cbc_tv_template)
4449 		},
4450 	}, {
4451 		.alg = "cbc(des)",
4452 		.test = alg_test_skcipher,
4453 		.suite = {
4454 			.cipher = __VECS(des_cbc_tv_template)
4455 		},
4456 	}, {
4457 		.alg = "cbc(des3_ede)",
4458 		.test = alg_test_skcipher,
4459 		.suite = {
4460 			.cipher = __VECS(des3_ede_cbc_tv_template)
4461 		},
4462 	}, {
4463 		/* Same as cbc(aes) except the key is stored in
4464 		 * hardware secure memory which we reference by index
4465 		 */
4466 		.alg = "cbc(paes)",
4467 		.test = alg_test_null,
4468 		.fips_allowed = 1,
4469 	}, {
4470 		/* Same as cbc(sm4) except the key is stored in
4471 		 * hardware secure memory which we reference by index
4472 		 */
4473 		.alg = "cbc(psm4)",
4474 		.test = alg_test_null,
4475 	}, {
4476 		.alg = "cbc(serpent)",
4477 		.test = alg_test_skcipher,
4478 		.suite = {
4479 			.cipher = __VECS(serpent_cbc_tv_template)
4480 		},
4481 	}, {
4482 		.alg = "cbc(sm4)",
4483 		.test = alg_test_skcipher,
4484 		.suite = {
4485 			.cipher = __VECS(sm4_cbc_tv_template)
4486 		}
4487 	}, {
4488 		.alg = "cbc(twofish)",
4489 		.test = alg_test_skcipher,
4490 		.suite = {
4491 			.cipher = __VECS(tf_cbc_tv_template)
4492 		},
4493 	}, {
4494 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4495 		.alg = "cbc-paes-s390",
4496 		.fips_allowed = 1,
4497 		.test = alg_test_skcipher,
4498 		.suite = {
4499 			.cipher = __VECS(aes_cbc_tv_template)
4500 		}
4501 	}, {
4502 #endif
4503 		.alg = "cbcmac(aes)",
4504 		.fips_allowed = 1,
4505 		.test = alg_test_hash,
4506 		.suite = {
4507 			.hash = __VECS(aes_cbcmac_tv_template)
4508 		}
4509 	}, {
4510 		.alg = "cbcmac(sm4)",
4511 		.test = alg_test_hash,
4512 		.suite = {
4513 			.hash = __VECS(sm4_cbcmac_tv_template)
4514 		}
4515 	}, {
4516 		.alg = "ccm(aes)",
4517 		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4518 		.test = alg_test_aead,
4519 		.fips_allowed = 1,
4520 		.suite = {
4521 			.aead = {
4522 				____VECS(aes_ccm_tv_template),
4523 				.einval_allowed = 1,
4524 			}
4525 		}
4526 	}, {
4527 		.alg = "ccm(sm4)",
4528 		.generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4529 		.test = alg_test_aead,
4530 		.suite = {
4531 			.aead = {
4532 				____VECS(sm4_ccm_tv_template),
4533 				.einval_allowed = 1,
4534 			}
4535 		}
4536 	}, {
4537 		.alg = "cfb(aes)",
4538 		.test = alg_test_skcipher,
4539 		.fips_allowed = 1,
4540 		.suite = {
4541 			.cipher = __VECS(aes_cfb_tv_template)
4542 		},
4543 	}, {
4544 		.alg = "cfb(aria)",
4545 		.test = alg_test_skcipher,
4546 		.suite = {
4547 			.cipher = __VECS(aria_cfb_tv_template)
4548 		},
4549 	}, {
4550 		.alg = "cfb(sm4)",
4551 		.test = alg_test_skcipher,
4552 		.suite = {
4553 			.cipher = __VECS(sm4_cfb_tv_template)
4554 		}
4555 	}, {
4556 		.alg = "chacha20",
4557 		.test = alg_test_skcipher,
4558 		.suite = {
4559 			.cipher = __VECS(chacha20_tv_template)
4560 		},
4561 	}, {
4562 		.alg = "cmac(aes)",
4563 		.fips_allowed = 1,
4564 		.test = alg_test_hash,
4565 		.suite = {
4566 			.hash = __VECS(aes_cmac128_tv_template)
4567 		}
4568 	}, {
4569 		.alg = "cmac(des3_ede)",
4570 		.test = alg_test_hash,
4571 		.suite = {
4572 			.hash = __VECS(des3_ede_cmac64_tv_template)
4573 		}
4574 	}, {
4575 		.alg = "cmac(sm4)",
4576 		.test = alg_test_hash,
4577 		.suite = {
4578 			.hash = __VECS(sm4_cmac128_tv_template)
4579 		}
4580 	}, {
4581 		.alg = "compress_null",
4582 		.test = alg_test_null,
4583 	}, {
4584 		.alg = "crc32",
4585 		.test = alg_test_hash,
4586 		.fips_allowed = 1,
4587 		.suite = {
4588 			.hash = __VECS(crc32_tv_template)
4589 		}
4590 	}, {
4591 		.alg = "crc32c",
4592 		.test = alg_test_crc32c,
4593 		.fips_allowed = 1,
4594 		.suite = {
4595 			.hash = __VECS(crc32c_tv_template)
4596 		}
4597 	}, {
4598 		.alg = "crc64-rocksoft",
4599 		.test = alg_test_hash,
4600 		.fips_allowed = 1,
4601 		.suite = {
4602 			.hash = __VECS(crc64_rocksoft_tv_template)
4603 		}
4604 	}, {
4605 		.alg = "crct10dif",
4606 		.test = alg_test_hash,
4607 		.fips_allowed = 1,
4608 		.suite = {
4609 			.hash = __VECS(crct10dif_tv_template)
4610 		}
4611 	}, {
4612 		.alg = "ctr(aes)",
4613 		.test = alg_test_skcipher,
4614 		.fips_allowed = 1,
4615 		.suite = {
4616 			.cipher = __VECS(aes_ctr_tv_template)
4617 		}
4618 	}, {
4619 		.alg = "ctr(aria)",
4620 		.test = alg_test_skcipher,
4621 		.suite = {
4622 			.cipher = __VECS(aria_ctr_tv_template)
4623 		}
4624 	}, {
4625 		.alg = "ctr(blowfish)",
4626 		.test = alg_test_skcipher,
4627 		.suite = {
4628 			.cipher = __VECS(bf_ctr_tv_template)
4629 		}
4630 	}, {
4631 		.alg = "ctr(camellia)",
4632 		.test = alg_test_skcipher,
4633 		.suite = {
4634 			.cipher = __VECS(camellia_ctr_tv_template)
4635 		}
4636 	}, {
4637 		.alg = "ctr(cast5)",
4638 		.test = alg_test_skcipher,
4639 		.suite = {
4640 			.cipher = __VECS(cast5_ctr_tv_template)
4641 		}
4642 	}, {
4643 		.alg = "ctr(cast6)",
4644 		.test = alg_test_skcipher,
4645 		.suite = {
4646 			.cipher = __VECS(cast6_ctr_tv_template)
4647 		}
4648 	}, {
4649 		.alg = "ctr(des)",
4650 		.test = alg_test_skcipher,
4651 		.suite = {
4652 			.cipher = __VECS(des_ctr_tv_template)
4653 		}
4654 	}, {
4655 		.alg = "ctr(des3_ede)",
4656 		.test = alg_test_skcipher,
4657 		.suite = {
4658 			.cipher = __VECS(des3_ede_ctr_tv_template)
4659 		}
4660 	}, {
4661 		/* Same as ctr(aes) except the key is stored in
4662 		 * hardware secure memory which we reference by index
4663 		 */
4664 		.alg = "ctr(paes)",
4665 		.test = alg_test_null,
4666 		.fips_allowed = 1,
4667 	}, {
4668 
4669 		/* Same as ctr(sm4) except the key is stored in
4670 		 * hardware secure memory which we reference by index
4671 		 */
4672 		.alg = "ctr(psm4)",
4673 		.test = alg_test_null,
4674 	}, {
4675 		.alg = "ctr(serpent)",
4676 		.test = alg_test_skcipher,
4677 		.suite = {
4678 			.cipher = __VECS(serpent_ctr_tv_template)
4679 		}
4680 	}, {
4681 		.alg = "ctr(sm4)",
4682 		.test = alg_test_skcipher,
4683 		.suite = {
4684 			.cipher = __VECS(sm4_ctr_tv_template)
4685 		}
4686 	}, {
4687 		.alg = "ctr(twofish)",
4688 		.test = alg_test_skcipher,
4689 		.suite = {
4690 			.cipher = __VECS(tf_ctr_tv_template)
4691 		}
4692 	}, {
4693 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4694 		.alg = "ctr-paes-s390",
4695 		.fips_allowed = 1,
4696 		.test = alg_test_skcipher,
4697 		.suite = {
4698 			.cipher = __VECS(aes_ctr_tv_template)
4699 		}
4700 	}, {
4701 #endif
4702 		.alg = "cts(cbc(aes))",
4703 		.test = alg_test_skcipher,
4704 		.fips_allowed = 1,
4705 		.suite = {
4706 			.cipher = __VECS(cts_mode_tv_template)
4707 		}
4708 	}, {
4709 		/* Same as cts(cbc((aes)) except the key is stored in
4710 		 * hardware secure memory which we reference by index
4711 		 */
4712 		.alg = "cts(cbc(paes))",
4713 		.test = alg_test_null,
4714 		.fips_allowed = 1,
4715 	}, {
4716 		.alg = "curve25519",
4717 		.test = alg_test_kpp,
4718 		.suite = {
4719 			.kpp = __VECS(curve25519_tv_template)
4720 		}
4721 	}, {
4722 		.alg = "deflate",
4723 		.test = alg_test_comp,
4724 		.fips_allowed = 1,
4725 		.suite = {
4726 			.comp = {
4727 				.comp = __VECS(deflate_comp_tv_template),
4728 				.decomp = __VECS(deflate_decomp_tv_template)
4729 			}
4730 		}
4731 	}, {
4732 		.alg = "dh",
4733 		.test = alg_test_kpp,
4734 		.suite = {
4735 			.kpp = __VECS(dh_tv_template)
4736 		}
4737 	}, {
4738 		.alg = "digest_null",
4739 		.test = alg_test_null,
4740 	}, {
4741 		.alg = "drbg_nopr_ctr_aes128",
4742 		.test = alg_test_drbg,
4743 		.fips_allowed = 1,
4744 		.suite = {
4745 			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4746 		}
4747 	}, {
4748 		.alg = "drbg_nopr_ctr_aes192",
4749 		.test = alg_test_drbg,
4750 		.fips_allowed = 1,
4751 		.suite = {
4752 			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4753 		}
4754 	}, {
4755 		.alg = "drbg_nopr_ctr_aes256",
4756 		.test = alg_test_drbg,
4757 		.fips_allowed = 1,
4758 		.suite = {
4759 			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4760 		}
4761 	}, {
4762 		/*
4763 		 * There is no need to specifically test the DRBG with every
4764 		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4765 		 */
4766 		.alg = "drbg_nopr_hmac_sha1",
4767 		.fips_allowed = 1,
4768 		.test = alg_test_null,
4769 	}, {
4770 		.alg = "drbg_nopr_hmac_sha256",
4771 		.test = alg_test_drbg,
4772 		.fips_allowed = 1,
4773 		.suite = {
4774 			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4775 		}
4776 	}, {
4777 		/* covered by drbg_nopr_hmac_sha256 test */
4778 		.alg = "drbg_nopr_hmac_sha384",
4779 		.fips_allowed = 1,
4780 		.test = alg_test_null,
4781 	}, {
4782 		.alg = "drbg_nopr_hmac_sha512",
4783 		.test = alg_test_drbg,
4784 		.fips_allowed = 1,
4785 		.suite = {
4786 			.drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4787 		}
4788 	}, {
4789 		.alg = "drbg_nopr_sha1",
4790 		.fips_allowed = 1,
4791 		.test = alg_test_null,
4792 	}, {
4793 		.alg = "drbg_nopr_sha256",
4794 		.test = alg_test_drbg,
4795 		.fips_allowed = 1,
4796 		.suite = {
4797 			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4798 		}
4799 	}, {
4800 		/* covered by drbg_nopr_sha256 test */
4801 		.alg = "drbg_nopr_sha384",
4802 		.fips_allowed = 1,
4803 		.test = alg_test_null,
4804 	}, {
4805 		.alg = "drbg_nopr_sha512",
4806 		.fips_allowed = 1,
4807 		.test = alg_test_null,
4808 	}, {
4809 		.alg = "drbg_pr_ctr_aes128",
4810 		.test = alg_test_drbg,
4811 		.fips_allowed = 1,
4812 		.suite = {
4813 			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4814 		}
4815 	}, {
4816 		/* covered by drbg_pr_ctr_aes128 test */
4817 		.alg = "drbg_pr_ctr_aes192",
4818 		.fips_allowed = 1,
4819 		.test = alg_test_null,
4820 	}, {
4821 		.alg = "drbg_pr_ctr_aes256",
4822 		.fips_allowed = 1,
4823 		.test = alg_test_null,
4824 	}, {
4825 		.alg = "drbg_pr_hmac_sha1",
4826 		.fips_allowed = 1,
4827 		.test = alg_test_null,
4828 	}, {
4829 		.alg = "drbg_pr_hmac_sha256",
4830 		.test = alg_test_drbg,
4831 		.fips_allowed = 1,
4832 		.suite = {
4833 			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4834 		}
4835 	}, {
4836 		/* covered by drbg_pr_hmac_sha256 test */
4837 		.alg = "drbg_pr_hmac_sha384",
4838 		.fips_allowed = 1,
4839 		.test = alg_test_null,
4840 	}, {
4841 		.alg = "drbg_pr_hmac_sha512",
4842 		.test = alg_test_null,
4843 		.fips_allowed = 1,
4844 	}, {
4845 		.alg = "drbg_pr_sha1",
4846 		.fips_allowed = 1,
4847 		.test = alg_test_null,
4848 	}, {
4849 		.alg = "drbg_pr_sha256",
4850 		.test = alg_test_drbg,
4851 		.fips_allowed = 1,
4852 		.suite = {
4853 			.drbg = __VECS(drbg_pr_sha256_tv_template)
4854 		}
4855 	}, {
4856 		/* covered by drbg_pr_sha256 test */
4857 		.alg = "drbg_pr_sha384",
4858 		.fips_allowed = 1,
4859 		.test = alg_test_null,
4860 	}, {
4861 		.alg = "drbg_pr_sha512",
4862 		.fips_allowed = 1,
4863 		.test = alg_test_null,
4864 	}, {
4865 		.alg = "ecb(aes)",
4866 		.test = alg_test_skcipher,
4867 		.fips_allowed = 1,
4868 		.suite = {
4869 			.cipher = __VECS(aes_tv_template)
4870 		}
4871 	}, {
4872 		.alg = "ecb(anubis)",
4873 		.test = alg_test_skcipher,
4874 		.suite = {
4875 			.cipher = __VECS(anubis_tv_template)
4876 		}
4877 	}, {
4878 		.alg = "ecb(arc4)",
4879 		.generic_driver = "ecb(arc4)-generic",
4880 		.test = alg_test_skcipher,
4881 		.suite = {
4882 			.cipher = __VECS(arc4_tv_template)
4883 		}
4884 	}, {
4885 		.alg = "ecb(aria)",
4886 		.test = alg_test_skcipher,
4887 		.suite = {
4888 			.cipher = __VECS(aria_tv_template)
4889 		}
4890 	}, {
4891 		.alg = "ecb(blowfish)",
4892 		.test = alg_test_skcipher,
4893 		.suite = {
4894 			.cipher = __VECS(bf_tv_template)
4895 		}
4896 	}, {
4897 		.alg = "ecb(camellia)",
4898 		.test = alg_test_skcipher,
4899 		.suite = {
4900 			.cipher = __VECS(camellia_tv_template)
4901 		}
4902 	}, {
4903 		.alg = "ecb(cast5)",
4904 		.test = alg_test_skcipher,
4905 		.suite = {
4906 			.cipher = __VECS(cast5_tv_template)
4907 		}
4908 	}, {
4909 		.alg = "ecb(cast6)",
4910 		.test = alg_test_skcipher,
4911 		.suite = {
4912 			.cipher = __VECS(cast6_tv_template)
4913 		}
4914 	}, {
4915 		.alg = "ecb(cipher_null)",
4916 		.test = alg_test_null,
4917 		.fips_allowed = 1,
4918 	}, {
4919 		.alg = "ecb(des)",
4920 		.test = alg_test_skcipher,
4921 		.suite = {
4922 			.cipher = __VECS(des_tv_template)
4923 		}
4924 	}, {
4925 		.alg = "ecb(des3_ede)",
4926 		.test = alg_test_skcipher,
4927 		.suite = {
4928 			.cipher = __VECS(des3_ede_tv_template)
4929 		}
4930 	}, {
4931 		.alg = "ecb(fcrypt)",
4932 		.test = alg_test_skcipher,
4933 		.suite = {
4934 			.cipher = {
4935 				.vecs = fcrypt_pcbc_tv_template,
4936 				.count = 1
4937 			}
4938 		}
4939 	}, {
4940 		.alg = "ecb(khazad)",
4941 		.test = alg_test_skcipher,
4942 		.suite = {
4943 			.cipher = __VECS(khazad_tv_template)
4944 		}
4945 	}, {
4946 		/* Same as ecb(aes) except the key is stored in
4947 		 * hardware secure memory which we reference by index
4948 		 */
4949 		.alg = "ecb(paes)",
4950 		.test = alg_test_null,
4951 		.fips_allowed = 1,
4952 	}, {
4953 		.alg = "ecb(seed)",
4954 		.test = alg_test_skcipher,
4955 		.suite = {
4956 			.cipher = __VECS(seed_tv_template)
4957 		}
4958 	}, {
4959 		.alg = "ecb(serpent)",
4960 		.test = alg_test_skcipher,
4961 		.suite = {
4962 			.cipher = __VECS(serpent_tv_template)
4963 		}
4964 	}, {
4965 		.alg = "ecb(sm4)",
4966 		.test = alg_test_skcipher,
4967 		.suite = {
4968 			.cipher = __VECS(sm4_tv_template)
4969 		}
4970 	}, {
4971 		.alg = "ecb(tea)",
4972 		.test = alg_test_skcipher,
4973 		.suite = {
4974 			.cipher = __VECS(tea_tv_template)
4975 		}
4976 	}, {
4977 		.alg = "ecb(twofish)",
4978 		.test = alg_test_skcipher,
4979 		.suite = {
4980 			.cipher = __VECS(tf_tv_template)
4981 		}
4982 	}, {
4983 		.alg = "ecb(xeta)",
4984 		.test = alg_test_skcipher,
4985 		.suite = {
4986 			.cipher = __VECS(xeta_tv_template)
4987 		}
4988 	}, {
4989 		.alg = "ecb(xtea)",
4990 		.test = alg_test_skcipher,
4991 		.suite = {
4992 			.cipher = __VECS(xtea_tv_template)
4993 		}
4994 	}, {
4995 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4996 		.alg = "ecb-paes-s390",
4997 		.fips_allowed = 1,
4998 		.test = alg_test_skcipher,
4999 		.suite = {
5000 			.cipher = __VECS(aes_tv_template)
5001 		}
5002 	}, {
5003 #endif
5004 		.alg = "ecdh-nist-p192",
5005 		.test = alg_test_kpp,
5006 		.suite = {
5007 			.kpp = __VECS(ecdh_p192_tv_template)
5008 		}
5009 	}, {
5010 		.alg = "ecdh-nist-p256",
5011 		.test = alg_test_kpp,
5012 		.fips_allowed = 1,
5013 		.suite = {
5014 			.kpp = __VECS(ecdh_p256_tv_template)
5015 		}
5016 	}, {
5017 		.alg = "ecdh-nist-p384",
5018 		.test = alg_test_kpp,
5019 		.fips_allowed = 1,
5020 		.suite = {
5021 			.kpp = __VECS(ecdh_p384_tv_template)
5022 		}
5023 	}, {
5024 		.alg = "ecdsa-nist-p192",
5025 		.test = alg_test_akcipher,
5026 		.suite = {
5027 			.akcipher = __VECS(ecdsa_nist_p192_tv_template)
5028 		}
5029 	}, {
5030 		.alg = "ecdsa-nist-p256",
5031 		.test = alg_test_akcipher,
5032 		.suite = {
5033 			.akcipher = __VECS(ecdsa_nist_p256_tv_template)
5034 		}
5035 	}, {
5036 		.alg = "ecdsa-nist-p384",
5037 		.test = alg_test_akcipher,
5038 		.suite = {
5039 			.akcipher = __VECS(ecdsa_nist_p384_tv_template)
5040 		}
5041 	}, {
5042 		.alg = "ecrdsa",
5043 		.test = alg_test_akcipher,
5044 		.suite = {
5045 			.akcipher = __VECS(ecrdsa_tv_template)
5046 		}
5047 	}, {
5048 		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5049 		.test = alg_test_aead,
5050 		.fips_allowed = 1,
5051 		.suite = {
5052 			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5053 		}
5054 	}, {
5055 		.alg = "essiv(cbc(aes),sha256)",
5056 		.test = alg_test_skcipher,
5057 		.fips_allowed = 1,
5058 		.suite = {
5059 			.cipher = __VECS(essiv_aes_cbc_tv_template)
5060 		}
5061 	}, {
5062 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5063 		.alg = "ffdhe2048(dh)",
5064 		.test = alg_test_kpp,
5065 		.fips_allowed = 1,
5066 		.suite = {
5067 			.kpp = __VECS(ffdhe2048_dh_tv_template)
5068 		}
5069 	}, {
5070 		.alg = "ffdhe3072(dh)",
5071 		.test = alg_test_kpp,
5072 		.fips_allowed = 1,
5073 		.suite = {
5074 			.kpp = __VECS(ffdhe3072_dh_tv_template)
5075 		}
5076 	}, {
5077 		.alg = "ffdhe4096(dh)",
5078 		.test = alg_test_kpp,
5079 		.fips_allowed = 1,
5080 		.suite = {
5081 			.kpp = __VECS(ffdhe4096_dh_tv_template)
5082 		}
5083 	}, {
5084 		.alg = "ffdhe6144(dh)",
5085 		.test = alg_test_kpp,
5086 		.fips_allowed = 1,
5087 		.suite = {
5088 			.kpp = __VECS(ffdhe6144_dh_tv_template)
5089 		}
5090 	}, {
5091 		.alg = "ffdhe8192(dh)",
5092 		.test = alg_test_kpp,
5093 		.fips_allowed = 1,
5094 		.suite = {
5095 			.kpp = __VECS(ffdhe8192_dh_tv_template)
5096 		}
5097 	}, {
5098 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5099 		.alg = "gcm(aes)",
5100 		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5101 		.test = alg_test_aead,
5102 		.fips_allowed = 1,
5103 		.suite = {
5104 			.aead = __VECS(aes_gcm_tv_template)
5105 		}
5106 	}, {
5107 		.alg = "gcm(aria)",
5108 		.generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5109 		.test = alg_test_aead,
5110 		.suite = {
5111 			.aead = __VECS(aria_gcm_tv_template)
5112 		}
5113 	}, {
5114 		.alg = "gcm(sm4)",
5115 		.generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5116 		.test = alg_test_aead,
5117 		.suite = {
5118 			.aead = __VECS(sm4_gcm_tv_template)
5119 		}
5120 	}, {
5121 		.alg = "ghash",
5122 		.test = alg_test_hash,
5123 		.fips_allowed = 1,
5124 		.suite = {
5125 			.hash = __VECS(ghash_tv_template)
5126 		}
5127 	}, {
5128 		.alg = "hctr2(aes)",
5129 		.generic_driver =
5130 		    "hctr2_base(xctr(aes-generic),polyval-generic)",
5131 		.test = alg_test_skcipher,
5132 		.suite = {
5133 			.cipher = __VECS(aes_hctr2_tv_template)
5134 		}
5135 	}, {
5136 		.alg = "hmac(md5)",
5137 		.test = alg_test_hash,
5138 		.suite = {
5139 			.hash = __VECS(hmac_md5_tv_template)
5140 		}
5141 	}, {
5142 		.alg = "hmac(rmd160)",
5143 		.test = alg_test_hash,
5144 		.suite = {
5145 			.hash = __VECS(hmac_rmd160_tv_template)
5146 		}
5147 	}, {
5148 		.alg = "hmac(sha1)",
5149 		.test = alg_test_hash,
5150 		.fips_allowed = 1,
5151 		.suite = {
5152 			.hash = __VECS(hmac_sha1_tv_template)
5153 		}
5154 	}, {
5155 		.alg = "hmac(sha224)",
5156 		.test = alg_test_hash,
5157 		.fips_allowed = 1,
5158 		.suite = {
5159 			.hash = __VECS(hmac_sha224_tv_template)
5160 		}
5161 	}, {
5162 		.alg = "hmac(sha256)",
5163 		.test = alg_test_hash,
5164 		.fips_allowed = 1,
5165 		.suite = {
5166 			.hash = __VECS(hmac_sha256_tv_template)
5167 		}
5168 	}, {
5169 		.alg = "hmac(sha3-224)",
5170 		.test = alg_test_hash,
5171 		.fips_allowed = 1,
5172 		.suite = {
5173 			.hash = __VECS(hmac_sha3_224_tv_template)
5174 		}
5175 	}, {
5176 		.alg = "hmac(sha3-256)",
5177 		.test = alg_test_hash,
5178 		.fips_allowed = 1,
5179 		.suite = {
5180 			.hash = __VECS(hmac_sha3_256_tv_template)
5181 		}
5182 	}, {
5183 		.alg = "hmac(sha3-384)",
5184 		.test = alg_test_hash,
5185 		.fips_allowed = 1,
5186 		.suite = {
5187 			.hash = __VECS(hmac_sha3_384_tv_template)
5188 		}
5189 	}, {
5190 		.alg = "hmac(sha3-512)",
5191 		.test = alg_test_hash,
5192 		.fips_allowed = 1,
5193 		.suite = {
5194 			.hash = __VECS(hmac_sha3_512_tv_template)
5195 		}
5196 	}, {
5197 		.alg = "hmac(sha384)",
5198 		.test = alg_test_hash,
5199 		.fips_allowed = 1,
5200 		.suite = {
5201 			.hash = __VECS(hmac_sha384_tv_template)
5202 		}
5203 	}, {
5204 		.alg = "hmac(sha512)",
5205 		.test = alg_test_hash,
5206 		.fips_allowed = 1,
5207 		.suite = {
5208 			.hash = __VECS(hmac_sha512_tv_template)
5209 		}
5210 	}, {
5211 		.alg = "hmac(sm3)",
5212 		.test = alg_test_hash,
5213 		.suite = {
5214 			.hash = __VECS(hmac_sm3_tv_template)
5215 		}
5216 	}, {
5217 		.alg = "hmac(streebog256)",
5218 		.test = alg_test_hash,
5219 		.suite = {
5220 			.hash = __VECS(hmac_streebog256_tv_template)
5221 		}
5222 	}, {
5223 		.alg = "hmac(streebog512)",
5224 		.test = alg_test_hash,
5225 		.suite = {
5226 			.hash = __VECS(hmac_streebog512_tv_template)
5227 		}
5228 	}, {
5229 		.alg = "jitterentropy_rng",
5230 		.fips_allowed = 1,
5231 		.test = alg_test_null,
5232 	}, {
5233 		.alg = "kw(aes)",
5234 		.test = alg_test_skcipher,
5235 		.fips_allowed = 1,
5236 		.suite = {
5237 			.cipher = __VECS(aes_kw_tv_template)
5238 		}
5239 	}, {
5240 		.alg = "lrw(aes)",
5241 		.generic_driver = "lrw(ecb(aes-generic))",
5242 		.test = alg_test_skcipher,
5243 		.suite = {
5244 			.cipher = __VECS(aes_lrw_tv_template)
5245 		}
5246 	}, {
5247 		.alg = "lrw(camellia)",
5248 		.generic_driver = "lrw(ecb(camellia-generic))",
5249 		.test = alg_test_skcipher,
5250 		.suite = {
5251 			.cipher = __VECS(camellia_lrw_tv_template)
5252 		}
5253 	}, {
5254 		.alg = "lrw(cast6)",
5255 		.generic_driver = "lrw(ecb(cast6-generic))",
5256 		.test = alg_test_skcipher,
5257 		.suite = {
5258 			.cipher = __VECS(cast6_lrw_tv_template)
5259 		}
5260 	}, {
5261 		.alg = "lrw(serpent)",
5262 		.generic_driver = "lrw(ecb(serpent-generic))",
5263 		.test = alg_test_skcipher,
5264 		.suite = {
5265 			.cipher = __VECS(serpent_lrw_tv_template)
5266 		}
5267 	}, {
5268 		.alg = "lrw(twofish)",
5269 		.generic_driver = "lrw(ecb(twofish-generic))",
5270 		.test = alg_test_skcipher,
5271 		.suite = {
5272 			.cipher = __VECS(tf_lrw_tv_template)
5273 		}
5274 	}, {
5275 		.alg = "lz4",
5276 		.test = alg_test_comp,
5277 		.fips_allowed = 1,
5278 		.suite = {
5279 			.comp = {
5280 				.comp = __VECS(lz4_comp_tv_template),
5281 				.decomp = __VECS(lz4_decomp_tv_template)
5282 			}
5283 		}
5284 	}, {
5285 		.alg = "lz4hc",
5286 		.test = alg_test_comp,
5287 		.fips_allowed = 1,
5288 		.suite = {
5289 			.comp = {
5290 				.comp = __VECS(lz4hc_comp_tv_template),
5291 				.decomp = __VECS(lz4hc_decomp_tv_template)
5292 			}
5293 		}
5294 	}, {
5295 		.alg = "lzo",
5296 		.test = alg_test_comp,
5297 		.fips_allowed = 1,
5298 		.suite = {
5299 			.comp = {
5300 				.comp = __VECS(lzo_comp_tv_template),
5301 				.decomp = __VECS(lzo_decomp_tv_template)
5302 			}
5303 		}
5304 	}, {
5305 		.alg = "lzo-rle",
5306 		.test = alg_test_comp,
5307 		.fips_allowed = 1,
5308 		.suite = {
5309 			.comp = {
5310 				.comp = __VECS(lzorle_comp_tv_template),
5311 				.decomp = __VECS(lzorle_decomp_tv_template)
5312 			}
5313 		}
5314 	}, {
5315 		.alg = "md4",
5316 		.test = alg_test_hash,
5317 		.suite = {
5318 			.hash = __VECS(md4_tv_template)
5319 		}
5320 	}, {
5321 		.alg = "md5",
5322 		.test = alg_test_hash,
5323 		.suite = {
5324 			.hash = __VECS(md5_tv_template)
5325 		}
5326 	}, {
5327 		.alg = "michael_mic",
5328 		.test = alg_test_hash,
5329 		.suite = {
5330 			.hash = __VECS(michael_mic_tv_template)
5331 		}
5332 	}, {
5333 		.alg = "nhpoly1305",
5334 		.test = alg_test_hash,
5335 		.suite = {
5336 			.hash = __VECS(nhpoly1305_tv_template)
5337 		}
5338 	}, {
5339 		.alg = "ofb(aes)",
5340 		.test = alg_test_skcipher,
5341 		.fips_allowed = 1,
5342 		.suite = {
5343 			.cipher = __VECS(aes_ofb_tv_template)
5344 		}
5345 	}, {
5346 		/* Same as ofb(aes) except the key is stored in
5347 		 * hardware secure memory which we reference by index
5348 		 */
5349 		.alg = "ofb(paes)",
5350 		.test = alg_test_null,
5351 		.fips_allowed = 1,
5352 	}, {
5353 		.alg = "ofb(sm4)",
5354 		.test = alg_test_skcipher,
5355 		.suite = {
5356 			.cipher = __VECS(sm4_ofb_tv_template)
5357 		}
5358 	}, {
5359 		.alg = "pcbc(fcrypt)",
5360 		.test = alg_test_skcipher,
5361 		.suite = {
5362 			.cipher = __VECS(fcrypt_pcbc_tv_template)
5363 		}
5364 	}, {
5365 		.alg = "pkcs1pad(rsa,sha224)",
5366 		.test = alg_test_null,
5367 		.fips_allowed = 1,
5368 	}, {
5369 		.alg = "pkcs1pad(rsa,sha256)",
5370 		.test = alg_test_akcipher,
5371 		.fips_allowed = 1,
5372 		.suite = {
5373 			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5374 		}
5375 	}, {
5376 		.alg = "pkcs1pad(rsa,sha384)",
5377 		.test = alg_test_null,
5378 		.fips_allowed = 1,
5379 	}, {
5380 		.alg = "pkcs1pad(rsa,sha512)",
5381 		.test = alg_test_null,
5382 		.fips_allowed = 1,
5383 	}, {
5384 		.alg = "poly1305",
5385 		.test = alg_test_hash,
5386 		.suite = {
5387 			.hash = __VECS(poly1305_tv_template)
5388 		}
5389 	}, {
5390 		.alg = "polyval",
5391 		.test = alg_test_hash,
5392 		.suite = {
5393 			.hash = __VECS(polyval_tv_template)
5394 		}
5395 	}, {
5396 		.alg = "rfc3686(ctr(aes))",
5397 		.test = alg_test_skcipher,
5398 		.fips_allowed = 1,
5399 		.suite = {
5400 			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5401 		}
5402 	}, {
5403 		.alg = "rfc3686(ctr(sm4))",
5404 		.test = alg_test_skcipher,
5405 		.suite = {
5406 			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5407 		}
5408 	}, {
5409 		.alg = "rfc4106(gcm(aes))",
5410 		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5411 		.test = alg_test_aead,
5412 		.fips_allowed = 1,
5413 		.suite = {
5414 			.aead = {
5415 				____VECS(aes_gcm_rfc4106_tv_template),
5416 				.einval_allowed = 1,
5417 				.aad_iv = 1,
5418 			}
5419 		}
5420 	}, {
5421 		.alg = "rfc4309(ccm(aes))",
5422 		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5423 		.test = alg_test_aead,
5424 		.fips_allowed = 1,
5425 		.suite = {
5426 			.aead = {
5427 				____VECS(aes_ccm_rfc4309_tv_template),
5428 				.einval_allowed = 1,
5429 				.aad_iv = 1,
5430 			}
5431 		}
5432 	}, {
5433 		.alg = "rfc4543(gcm(aes))",
5434 		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5435 		.test = alg_test_aead,
5436 		.suite = {
5437 			.aead = {
5438 				____VECS(aes_gcm_rfc4543_tv_template),
5439 				.einval_allowed = 1,
5440 				.aad_iv = 1,
5441 			}
5442 		}
5443 	}, {
5444 		.alg = "rfc7539(chacha20,poly1305)",
5445 		.test = alg_test_aead,
5446 		.suite = {
5447 			.aead = __VECS(rfc7539_tv_template)
5448 		}
5449 	}, {
5450 		.alg = "rfc7539esp(chacha20,poly1305)",
5451 		.test = alg_test_aead,
5452 		.suite = {
5453 			.aead = {
5454 				____VECS(rfc7539esp_tv_template),
5455 				.einval_allowed = 1,
5456 				.aad_iv = 1,
5457 			}
5458 		}
5459 	}, {
5460 		.alg = "rmd160",
5461 		.test = alg_test_hash,
5462 		.suite = {
5463 			.hash = __VECS(rmd160_tv_template)
5464 		}
5465 	}, {
5466 		.alg = "rsa",
5467 		.test = alg_test_akcipher,
5468 		.fips_allowed = 1,
5469 		.suite = {
5470 			.akcipher = __VECS(rsa_tv_template)
5471 		}
5472 	}, {
5473 		.alg = "sha1",
5474 		.test = alg_test_hash,
5475 		.fips_allowed = 1,
5476 		.suite = {
5477 			.hash = __VECS(sha1_tv_template)
5478 		}
5479 	}, {
5480 		.alg = "sha224",
5481 		.test = alg_test_hash,
5482 		.fips_allowed = 1,
5483 		.suite = {
5484 			.hash = __VECS(sha224_tv_template)
5485 		}
5486 	}, {
5487 		.alg = "sha256",
5488 		.test = alg_test_hash,
5489 		.fips_allowed = 1,
5490 		.suite = {
5491 			.hash = __VECS(sha256_tv_template)
5492 		}
5493 	}, {
5494 		.alg = "sha3-224",
5495 		.test = alg_test_hash,
5496 		.fips_allowed = 1,
5497 		.suite = {
5498 			.hash = __VECS(sha3_224_tv_template)
5499 		}
5500 	}, {
5501 		.alg = "sha3-256",
5502 		.test = alg_test_hash,
5503 		.fips_allowed = 1,
5504 		.suite = {
5505 			.hash = __VECS(sha3_256_tv_template)
5506 		}
5507 	}, {
5508 		.alg = "sha3-384",
5509 		.test = alg_test_hash,
5510 		.fips_allowed = 1,
5511 		.suite = {
5512 			.hash = __VECS(sha3_384_tv_template)
5513 		}
5514 	}, {
5515 		.alg = "sha3-512",
5516 		.test = alg_test_hash,
5517 		.fips_allowed = 1,
5518 		.suite = {
5519 			.hash = __VECS(sha3_512_tv_template)
5520 		}
5521 	}, {
5522 		.alg = "sha384",
5523 		.test = alg_test_hash,
5524 		.fips_allowed = 1,
5525 		.suite = {
5526 			.hash = __VECS(sha384_tv_template)
5527 		}
5528 	}, {
5529 		.alg = "sha512",
5530 		.test = alg_test_hash,
5531 		.fips_allowed = 1,
5532 		.suite = {
5533 			.hash = __VECS(sha512_tv_template)
5534 		}
5535 	}, {
5536 		.alg = "sm2",
5537 		.test = alg_test_akcipher,
5538 		.suite = {
5539 			.akcipher = __VECS(sm2_tv_template)
5540 		}
5541 	}, {
5542 		.alg = "sm3",
5543 		.test = alg_test_hash,
5544 		.suite = {
5545 			.hash = __VECS(sm3_tv_template)
5546 		}
5547 	}, {
5548 		.alg = "streebog256",
5549 		.test = alg_test_hash,
5550 		.suite = {
5551 			.hash = __VECS(streebog256_tv_template)
5552 		}
5553 	}, {
5554 		.alg = "streebog512",
5555 		.test = alg_test_hash,
5556 		.suite = {
5557 			.hash = __VECS(streebog512_tv_template)
5558 		}
5559 	}, {
5560 		.alg = "vmac64(aes)",
5561 		.test = alg_test_hash,
5562 		.suite = {
5563 			.hash = __VECS(vmac64_aes_tv_template)
5564 		}
5565 	}, {
5566 		.alg = "wp256",
5567 		.test = alg_test_hash,
5568 		.suite = {
5569 			.hash = __VECS(wp256_tv_template)
5570 		}
5571 	}, {
5572 		.alg = "wp384",
5573 		.test = alg_test_hash,
5574 		.suite = {
5575 			.hash = __VECS(wp384_tv_template)
5576 		}
5577 	}, {
5578 		.alg = "wp512",
5579 		.test = alg_test_hash,
5580 		.suite = {
5581 			.hash = __VECS(wp512_tv_template)
5582 		}
5583 	}, {
5584 		.alg = "xcbc(aes)",
5585 		.test = alg_test_hash,
5586 		.suite = {
5587 			.hash = __VECS(aes_xcbc128_tv_template)
5588 		}
5589 	}, {
5590 		.alg = "xchacha12",
5591 		.test = alg_test_skcipher,
5592 		.suite = {
5593 			.cipher = __VECS(xchacha12_tv_template)
5594 		},
5595 	}, {
5596 		.alg = "xchacha20",
5597 		.test = alg_test_skcipher,
5598 		.suite = {
5599 			.cipher = __VECS(xchacha20_tv_template)
5600 		},
5601 	}, {
5602 		.alg = "xctr(aes)",
5603 		.test = alg_test_skcipher,
5604 		.suite = {
5605 			.cipher = __VECS(aes_xctr_tv_template)
5606 		}
5607 	}, {
5608 		.alg = "xts(aes)",
5609 		.generic_driver = "xts(ecb(aes-generic))",
5610 		.test = alg_test_skcipher,
5611 		.fips_allowed = 1,
5612 		.suite = {
5613 			.cipher = __VECS(aes_xts_tv_template)
5614 		}
5615 	}, {
5616 		.alg = "xts(camellia)",
5617 		.generic_driver = "xts(ecb(camellia-generic))",
5618 		.test = alg_test_skcipher,
5619 		.suite = {
5620 			.cipher = __VECS(camellia_xts_tv_template)
5621 		}
5622 	}, {
5623 		.alg = "xts(cast6)",
5624 		.generic_driver = "xts(ecb(cast6-generic))",
5625 		.test = alg_test_skcipher,
5626 		.suite = {
5627 			.cipher = __VECS(cast6_xts_tv_template)
5628 		}
5629 	}, {
5630 		/* Same as xts(aes) except the key is stored in
5631 		 * hardware secure memory which we reference by index
5632 		 */
5633 		.alg = "xts(paes)",
5634 		.test = alg_test_null,
5635 		.fips_allowed = 1,
5636 	}, {
5637 		.alg = "xts(serpent)",
5638 		.generic_driver = "xts(ecb(serpent-generic))",
5639 		.test = alg_test_skcipher,
5640 		.suite = {
5641 			.cipher = __VECS(serpent_xts_tv_template)
5642 		}
5643 	}, {
5644 		.alg = "xts(twofish)",
5645 		.generic_driver = "xts(ecb(twofish-generic))",
5646 		.test = alg_test_skcipher,
5647 		.suite = {
5648 			.cipher = __VECS(tf_xts_tv_template)
5649 		}
5650 	}, {
5651 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5652 		.alg = "xts-paes-s390",
5653 		.fips_allowed = 1,
5654 		.test = alg_test_skcipher,
5655 		.suite = {
5656 			.cipher = __VECS(aes_xts_tv_template)
5657 		}
5658 	}, {
5659 #endif
5660 		.alg = "xts4096(paes)",
5661 		.test = alg_test_null,
5662 		.fips_allowed = 1,
5663 	}, {
5664 		.alg = "xts512(paes)",
5665 		.test = alg_test_null,
5666 		.fips_allowed = 1,
5667 	}, {
5668 		.alg = "xxhash64",
5669 		.test = alg_test_hash,
5670 		.fips_allowed = 1,
5671 		.suite = {
5672 			.hash = __VECS(xxhash64_tv_template)
5673 		}
5674 	}, {
5675 		.alg = "zlib-deflate",
5676 		.test = alg_test_comp,
5677 		.fips_allowed = 1,
5678 		.suite = {
5679 			.comp = {
5680 				.comp = __VECS(zlib_deflate_comp_tv_template),
5681 				.decomp = __VECS(zlib_deflate_decomp_tv_template)
5682 			}
5683 		}
5684 	}, {
5685 		.alg = "zstd",
5686 		.test = alg_test_comp,
5687 		.fips_allowed = 1,
5688 		.suite = {
5689 			.comp = {
5690 				.comp = __VECS(zstd_comp_tv_template),
5691 				.decomp = __VECS(zstd_decomp_tv_template)
5692 			}
5693 		}
5694 	}
5695 };
5696 
alg_check_test_descs_order(void)5697 static void alg_check_test_descs_order(void)
5698 {
5699 	int i;
5700 
5701 	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5702 		int diff = strcmp(alg_test_descs[i - 1].alg,
5703 				  alg_test_descs[i].alg);
5704 
5705 		if (WARN_ON(diff > 0)) {
5706 			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5707 				alg_test_descs[i - 1].alg,
5708 				alg_test_descs[i].alg);
5709 		}
5710 
5711 		if (WARN_ON(diff == 0)) {
5712 			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5713 				alg_test_descs[i].alg);
5714 		}
5715 	}
5716 }
5717 
alg_check_testvec_configs(void)5718 static void alg_check_testvec_configs(void)
5719 {
5720 	int i;
5721 
5722 	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5723 		WARN_ON(!valid_testvec_config(
5724 				&default_cipher_testvec_configs[i]));
5725 
5726 	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5727 		WARN_ON(!valid_testvec_config(
5728 				&default_hash_testvec_configs[i]));
5729 }
5730 
testmgr_onetime_init(void)5731 static void testmgr_onetime_init(void)
5732 {
5733 	alg_check_test_descs_order();
5734 	alg_check_testvec_configs();
5735 
5736 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5737 	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5738 #endif
5739 }
5740 
alg_find_test(const char * alg)5741 static int alg_find_test(const char *alg)
5742 {
5743 	int start = 0;
5744 	int end = ARRAY_SIZE(alg_test_descs);
5745 
5746 	while (start < end) {
5747 		int i = (start + end) / 2;
5748 		int diff = strcmp(alg_test_descs[i].alg, alg);
5749 
5750 		if (diff > 0) {
5751 			end = i;
5752 			continue;
5753 		}
5754 
5755 		if (diff < 0) {
5756 			start = i + 1;
5757 			continue;
5758 		}
5759 
5760 		return i;
5761 	}
5762 
5763 	return -1;
5764 }
5765 
alg_fips_disabled(const char * driver,const char * alg)5766 static int alg_fips_disabled(const char *driver, const char *alg)
5767 {
5768 	pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5769 
5770 	return -ECANCELED;
5771 }
5772 
alg_test(const char * driver,const char * alg,u32 type,u32 mask)5773 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5774 {
5775 	int i;
5776 	int j;
5777 	int rc;
5778 
5779 	if (!fips_enabled && notests) {
5780 		printk_once(KERN_INFO "alg: self-tests disabled\n");
5781 		return 0;
5782 	}
5783 
5784 	DO_ONCE(testmgr_onetime_init);
5785 
5786 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5787 		char nalg[CRYPTO_MAX_ALG_NAME];
5788 
5789 		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5790 		    sizeof(nalg))
5791 			return -ENAMETOOLONG;
5792 
5793 		i = alg_find_test(nalg);
5794 		if (i < 0)
5795 			goto notest;
5796 
5797 		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5798 			goto non_fips_alg;
5799 
5800 		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5801 		goto test_done;
5802 	}
5803 
5804 	i = alg_find_test(alg);
5805 	j = alg_find_test(driver);
5806 	if (i < 0 && j < 0)
5807 		goto notest;
5808 
5809 	if (fips_enabled) {
5810 		if (j >= 0 && !alg_test_descs[j].fips_allowed)
5811 			return -EINVAL;
5812 
5813 		if (i >= 0 && !alg_test_descs[i].fips_allowed)
5814 			goto non_fips_alg;
5815 	}
5816 
5817 	rc = 0;
5818 	if (i >= 0)
5819 		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5820 					     type, mask);
5821 	if (j >= 0 && j != i)
5822 		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5823 					     type, mask);
5824 
5825 test_done:
5826 	if (rc) {
5827 		if (fips_enabled || panic_on_fail) {
5828 			fips_fail_notify();
5829 			panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5830 			      driver, alg,
5831 			      fips_enabled ? "fips" : "panic_on_fail");
5832 		}
5833 		pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5834 			alg, driver, rc);
5835 		WARN(rc != -ENOENT,
5836 		     "alg: self-tests for %s using %s failed (rc=%d)",
5837 		     alg, driver, rc);
5838 	} else {
5839 		if (fips_enabled)
5840 			pr_info("alg: self-tests for %s (%s) passed\n",
5841 				driver, alg);
5842 	}
5843 
5844 	return rc;
5845 
5846 notest:
5847 	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5848 
5849 	if (type & CRYPTO_ALG_FIPS_INTERNAL)
5850 		return alg_fips_disabled(driver, alg);
5851 
5852 	return 0;
5853 non_fips_alg:
5854 	return alg_fips_disabled(driver, alg);
5855 }
5856 
5857 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5858 
5859 EXPORT_SYMBOL_GPL(alg_test);
5860