xref: /kernel/linux/linux-6.6/crypto/testmgr.c (revision 62306a36)
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
41MODULE_IMPORT_NS(CRYPTO_INTERNAL);
42
43static bool notests;
44module_param(notests, bool, 0644);
45MODULE_PARM_DESC(notests, "disable crypto self-tests");
46
47static bool panic_on_fail;
48module_param(panic_on_fail, bool, 0444);
49
50#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
51static bool noextratests;
52module_param(noextratests, bool, 0644);
53MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
54
55static unsigned int fuzz_iterations = 100;
56module_param(fuzz_iterations, uint, 0644);
57MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
58#endif
59
60#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
61
62/* a perfect nop */
63int 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
83struct 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
102struct cipher_test_suite {
103	const struct cipher_testvec *vecs;
104	unsigned int count;
105};
106
107struct comp_test_suite {
108	struct {
109		const struct comp_testvec *vecs;
110		unsigned int count;
111	} comp, decomp;
112};
113
114struct hash_test_suite {
115	const struct hash_testvec *vecs;
116	unsigned int count;
117};
118
119struct cprng_test_suite {
120	const struct cprng_testvec *vecs;
121	unsigned int count;
122};
123
124struct drbg_test_suite {
125	const struct drbg_testvec *vecs;
126	unsigned int count;
127};
128
129struct akcipher_test_suite {
130	const struct akcipher_testvec *vecs;
131	unsigned int count;
132};
133
134struct kpp_test_suite {
135	const struct kpp_testvec *vecs;
136	unsigned int count;
137};
138
139struct 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
158static 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
165static 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
177err_free_buf:
178	while (i-- > 0)
179		free_pages((unsigned long)buf[i], order);
180
181	return -ENOMEM;
182}
183
184static int testmgr_alloc_buf(char *buf[XBUFSIZE])
185{
186	return __testmgr_alloc_buf(buf, 0);
187}
188
189static 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
197static 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
205static 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? */
211static 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 */
217enum 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 */
229enum 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 */
243enum 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 */
267struct 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 */
297struct 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 */
322static 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 = "one src, two even splits dst",
361		.inplace_mode = OUT_OF_PLACE,
362		.src_divs = { { .proportion_of_total = 10000 } },
363		.dst_divs = {
364			{ .proportion_of_total = 5000 },
365			{ .proportion_of_total = 5000 },
366		 },
367	}, {
368		.name = "uneven misaligned splits, may sleep",
369		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
370		.src_divs = {
371			{ .proportion_of_total = 1900, .offset = 33 },
372			{ .proportion_of_total = 3300, .offset = 7  },
373			{ .proportion_of_total = 4800, .offset = 18 },
374		},
375		.iv_offset = 3,
376		.key_offset = 3,
377	}, {
378		.name = "misaligned splits crossing pages, inplace",
379		.inplace_mode = INPLACE_ONE_SGLIST,
380		.src_divs = {
381			{
382				.proportion_of_total = 7500,
383				.offset = PAGE_SIZE - 32
384			}, {
385				.proportion_of_total = 2500,
386				.offset = PAGE_SIZE - 7
387			},
388		},
389	}
390};
391
392static const struct testvec_config default_hash_testvec_configs[] = {
393	{
394		.name = "init+update+final aligned buffer",
395		.src_divs = { { .proportion_of_total = 10000 } },
396		.finalization_type = FINALIZATION_TYPE_FINAL,
397	}, {
398		.name = "init+finup aligned buffer",
399		.src_divs = { { .proportion_of_total = 10000 } },
400		.finalization_type = FINALIZATION_TYPE_FINUP,
401	}, {
402		.name = "digest aligned buffer",
403		.src_divs = { { .proportion_of_total = 10000 } },
404		.finalization_type = FINALIZATION_TYPE_DIGEST,
405	}, {
406		.name = "init+update+final misaligned buffer",
407		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
408		.finalization_type = FINALIZATION_TYPE_FINAL,
409		.key_offset = 1,
410	}, {
411		.name = "digest buffer aligned only to alignmask",
412		.src_divs = {
413			{
414				.proportion_of_total = 10000,
415				.offset = 1,
416				.offset_relative_to_alignmask = true,
417			},
418		},
419		.finalization_type = FINALIZATION_TYPE_DIGEST,
420		.key_offset = 1,
421		.key_offset_relative_to_alignmask = true,
422	}, {
423		.name = "init+update+update+final two even splits",
424		.src_divs = {
425			{ .proportion_of_total = 5000 },
426			{
427				.proportion_of_total = 5000,
428				.flush_type = FLUSH_TYPE_FLUSH,
429			},
430		},
431		.finalization_type = FINALIZATION_TYPE_FINAL,
432	}, {
433		.name = "digest uneven misaligned splits, may sleep",
434		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
435		.src_divs = {
436			{ .proportion_of_total = 1900, .offset = 33 },
437			{ .proportion_of_total = 3300, .offset = 7  },
438			{ .proportion_of_total = 4800, .offset = 18 },
439		},
440		.finalization_type = FINALIZATION_TYPE_DIGEST,
441	}, {
442		.name = "digest misaligned splits crossing pages",
443		.src_divs = {
444			{
445				.proportion_of_total = 7500,
446				.offset = PAGE_SIZE - 32,
447			}, {
448				.proportion_of_total = 2500,
449				.offset = PAGE_SIZE - 7,
450			},
451		},
452		.finalization_type = FINALIZATION_TYPE_DIGEST,
453	}, {
454		.name = "import/export",
455		.src_divs = {
456			{
457				.proportion_of_total = 6500,
458				.flush_type = FLUSH_TYPE_REIMPORT,
459			}, {
460				.proportion_of_total = 3500,
461				.flush_type = FLUSH_TYPE_REIMPORT,
462			},
463		},
464		.finalization_type = FINALIZATION_TYPE_FINAL,
465	}
466};
467
468static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
469{
470	unsigned int remaining = TEST_SG_TOTAL;
471	unsigned int ndivs = 0;
472
473	do {
474		remaining -= divs[ndivs++].proportion_of_total;
475	} while (remaining);
476
477	return ndivs;
478}
479
480#define SGDIVS_HAVE_FLUSHES	BIT(0)
481#define SGDIVS_HAVE_NOSIMD	BIT(1)
482
483static bool valid_sg_divisions(const struct test_sg_division *divs,
484			       unsigned int count, int *flags_ret)
485{
486	unsigned int total = 0;
487	unsigned int i;
488
489	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
490		if (divs[i].proportion_of_total <= 0 ||
491		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
492			return false;
493		total += divs[i].proportion_of_total;
494		if (divs[i].flush_type != FLUSH_TYPE_NONE)
495			*flags_ret |= SGDIVS_HAVE_FLUSHES;
496		if (divs[i].nosimd)
497			*flags_ret |= SGDIVS_HAVE_NOSIMD;
498	}
499	return total == TEST_SG_TOTAL &&
500		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
501}
502
503/*
504 * Check whether the given testvec_config is valid.  This isn't strictly needed
505 * since every testvec_config should be valid, but check anyway so that people
506 * don't unknowingly add broken configs that don't do what they wanted.
507 */
508static bool valid_testvec_config(const struct testvec_config *cfg)
509{
510	int flags = 0;
511
512	if (cfg->name == NULL)
513		return false;
514
515	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
516				&flags))
517		return false;
518
519	if (cfg->dst_divs[0].proportion_of_total) {
520		if (!valid_sg_divisions(cfg->dst_divs,
521					ARRAY_SIZE(cfg->dst_divs), &flags))
522			return false;
523	} else {
524		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
525			return false;
526		/* defaults to dst_divs=src_divs */
527	}
528
529	if (cfg->iv_offset +
530	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
531	    MAX_ALGAPI_ALIGNMASK + 1)
532		return false;
533
534	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
535	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
536		return false;
537
538	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
539	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
540		return false;
541
542	return true;
543}
544
545struct test_sglist {
546	char *bufs[XBUFSIZE];
547	struct scatterlist sgl[XBUFSIZE];
548	struct scatterlist sgl_saved[XBUFSIZE];
549	struct scatterlist *sgl_ptr;
550	unsigned int nents;
551};
552
553static int init_test_sglist(struct test_sglist *tsgl)
554{
555	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
556}
557
558static void destroy_test_sglist(struct test_sglist *tsgl)
559{
560	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
561}
562
563/**
564 * build_test_sglist() - build a scatterlist for a crypto test
565 *
566 * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
567 *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
568 * @divs: the layout specification on which the scatterlist will be based
569 * @alignmask: the algorithm's alignmask
570 * @total_len: the total length of the scatterlist to build in bytes
571 * @data: if non-NULL, the buffers will be filled with this data until it ends.
572 *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
573 *	  past the end of each buffer will be poisoned to help detect overruns.
574 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
575 *	      corresponds will be returned here.  This will match @divs except
576 *	      that divisions resolving to a length of 0 are omitted as they are
577 *	      not included in the scatterlist.
578 *
579 * Return: 0 or a -errno value
580 */
581static int build_test_sglist(struct test_sglist *tsgl,
582			     const struct test_sg_division *divs,
583			     const unsigned int alignmask,
584			     const unsigned int total_len,
585			     struct iov_iter *data,
586			     const struct test_sg_division *out_divs[XBUFSIZE])
587{
588	struct {
589		const struct test_sg_division *div;
590		size_t length;
591	} partitions[XBUFSIZE];
592	const unsigned int ndivs = count_test_sg_divisions(divs);
593	unsigned int len_remaining = total_len;
594	unsigned int i;
595
596	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
597	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
598		return -EINVAL;
599
600	/* Calculate the (div, length) pairs */
601	tsgl->nents = 0;
602	for (i = 0; i < ndivs; i++) {
603		unsigned int len_this_sg =
604			min(len_remaining,
605			    (total_len * divs[i].proportion_of_total +
606			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
607
608		if (len_this_sg != 0) {
609			partitions[tsgl->nents].div = &divs[i];
610			partitions[tsgl->nents].length = len_this_sg;
611			tsgl->nents++;
612			len_remaining -= len_this_sg;
613		}
614	}
615	if (tsgl->nents == 0) {
616		partitions[tsgl->nents].div = &divs[0];
617		partitions[tsgl->nents].length = 0;
618		tsgl->nents++;
619	}
620	partitions[tsgl->nents - 1].length += len_remaining;
621
622	/* Set up the sgl entries and fill the data or poison */
623	sg_init_table(tsgl->sgl, tsgl->nents);
624	for (i = 0; i < tsgl->nents; i++) {
625		unsigned int offset = partitions[i].div->offset;
626		void *addr;
627
628		if (partitions[i].div->offset_relative_to_alignmask)
629			offset += alignmask;
630
631		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
632		       2 * PAGE_SIZE) {
633			if (WARN_ON(offset <= 0))
634				return -EINVAL;
635			offset /= 2;
636		}
637
638		addr = &tsgl->bufs[i][offset];
639		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
640
641		if (out_divs)
642			out_divs[i] = partitions[i].div;
643
644		if (data) {
645			size_t copy_len, copied;
646
647			copy_len = min(partitions[i].length, data->count);
648			copied = copy_from_iter(addr, copy_len, data);
649			if (WARN_ON(copied != copy_len))
650				return -EINVAL;
651			testmgr_poison(addr + copy_len, partitions[i].length +
652				       TESTMGR_POISON_LEN - copy_len);
653		} else {
654			testmgr_poison(addr, partitions[i].length +
655				       TESTMGR_POISON_LEN);
656		}
657	}
658
659	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
660	tsgl->sgl_ptr = tsgl->sgl;
661	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
662	return 0;
663}
664
665/*
666 * Verify that a scatterlist crypto operation produced the correct output.
667 *
668 * @tsgl: scatterlist containing the actual output
669 * @expected_output: buffer containing the expected output
670 * @len_to_check: length of @expected_output in bytes
671 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
672 * @check_poison: verify that the poison bytes after each chunk are intact?
673 *
674 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
675 */
676static int verify_correct_output(const struct test_sglist *tsgl,
677				 const char *expected_output,
678				 unsigned int len_to_check,
679				 unsigned int unchecked_prefix_len,
680				 bool check_poison)
681{
682	unsigned int i;
683
684	for (i = 0; i < tsgl->nents; i++) {
685		struct scatterlist *sg = &tsgl->sgl_ptr[i];
686		unsigned int len = sg->length;
687		unsigned int offset = sg->offset;
688		const char *actual_output;
689
690		if (unchecked_prefix_len) {
691			if (unchecked_prefix_len >= len) {
692				unchecked_prefix_len -= len;
693				continue;
694			}
695			offset += unchecked_prefix_len;
696			len -= unchecked_prefix_len;
697			unchecked_prefix_len = 0;
698		}
699		len = min(len, len_to_check);
700		actual_output = page_address(sg_page(sg)) + offset;
701		if (memcmp(expected_output, actual_output, len) != 0)
702			return -EINVAL;
703		if (check_poison &&
704		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
705			return -EOVERFLOW;
706		len_to_check -= len;
707		expected_output += len;
708	}
709	if (WARN_ON(len_to_check != 0))
710		return -EINVAL;
711	return 0;
712}
713
714static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
715{
716	unsigned int i;
717
718	for (i = 0; i < tsgl->nents; i++) {
719		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
720			return true;
721		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
722			return true;
723		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
724			return true;
725	}
726	return false;
727}
728
729struct cipher_test_sglists {
730	struct test_sglist src;
731	struct test_sglist dst;
732};
733
734static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
735{
736	struct cipher_test_sglists *tsgls;
737
738	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
739	if (!tsgls)
740		return NULL;
741
742	if (init_test_sglist(&tsgls->src) != 0)
743		goto fail_kfree;
744	if (init_test_sglist(&tsgls->dst) != 0)
745		goto fail_destroy_src;
746
747	return tsgls;
748
749fail_destroy_src:
750	destroy_test_sglist(&tsgls->src);
751fail_kfree:
752	kfree(tsgls);
753	return NULL;
754}
755
756static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
757{
758	if (tsgls) {
759		destroy_test_sglist(&tsgls->src);
760		destroy_test_sglist(&tsgls->dst);
761		kfree(tsgls);
762	}
763}
764
765/* Build the src and dst scatterlists for an skcipher or AEAD test */
766static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
767				     const struct testvec_config *cfg,
768				     unsigned int alignmask,
769				     unsigned int src_total_len,
770				     unsigned int dst_total_len,
771				     const struct kvec *inputs,
772				     unsigned int nr_inputs)
773{
774	struct iov_iter input;
775	int err;
776
777	iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
778	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
779				cfg->inplace_mode != OUT_OF_PLACE ?
780					max(dst_total_len, src_total_len) :
781					src_total_len,
782				&input, NULL);
783	if (err)
784		return err;
785
786	/*
787	 * In-place crypto operations can use the same scatterlist for both the
788	 * source and destination (req->src == req->dst), or can use separate
789	 * scatterlists (req->src != req->dst) which point to the same
790	 * underlying memory.  Make sure to test both cases.
791	 */
792	if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
793		tsgls->dst.sgl_ptr = tsgls->src.sgl;
794		tsgls->dst.nents = tsgls->src.nents;
795		return 0;
796	}
797	if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
798		/*
799		 * For now we keep it simple and only test the case where the
800		 * two scatterlists have identical entries, rather than
801		 * different entries that split up the same memory differently.
802		 */
803		memcpy(tsgls->dst.sgl, tsgls->src.sgl,
804		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
805		memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
806		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
807		tsgls->dst.sgl_ptr = tsgls->dst.sgl;
808		tsgls->dst.nents = tsgls->src.nents;
809		return 0;
810	}
811	/* Out of place */
812	return build_test_sglist(&tsgls->dst,
813				 cfg->dst_divs[0].proportion_of_total ?
814					cfg->dst_divs : cfg->src_divs,
815				 alignmask, dst_total_len, NULL, NULL);
816}
817
818/*
819 * Support for testing passing a misaligned key to setkey():
820 *
821 * If cfg->key_offset is set, copy the key into a new buffer at that offset,
822 * optionally adding alignmask.  Else, just use the key directly.
823 */
824static int prepare_keybuf(const u8 *key, unsigned int ksize,
825			  const struct testvec_config *cfg,
826			  unsigned int alignmask,
827			  const u8 **keybuf_ret, const u8 **keyptr_ret)
828{
829	unsigned int key_offset = cfg->key_offset;
830	u8 *keybuf = NULL, *keyptr = (u8 *)key;
831
832	if (key_offset != 0) {
833		if (cfg->key_offset_relative_to_alignmask)
834			key_offset += alignmask;
835		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
836		if (!keybuf)
837			return -ENOMEM;
838		keyptr = keybuf + key_offset;
839		memcpy(keyptr, key, ksize);
840	}
841	*keybuf_ret = keybuf;
842	*keyptr_ret = keyptr;
843	return 0;
844}
845
846/* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
847#define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
848({									\
849	const u8 *keybuf, *keyptr;					\
850	int err;							\
851									\
852	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
853			     &keybuf, &keyptr);				\
854	if (err == 0) {							\
855		err = setkey_f((tfm), keyptr, (ksize));			\
856		kfree(keybuf);						\
857	}								\
858	err;								\
859})
860
861#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
862
863/*
864 * The fuzz tests use prandom instead of the normal Linux RNG since they don't
865 * need cryptographically secure random numbers.  This greatly improves the
866 * performance of these tests, especially if they are run before the Linux RNG
867 * has been initialized or if they are run on a lockdep-enabled kernel.
868 */
869
870static inline void init_rnd_state(struct rnd_state *rng)
871{
872	prandom_seed_state(rng, get_random_u64());
873}
874
875static inline u8 prandom_u8(struct rnd_state *rng)
876{
877	return prandom_u32_state(rng);
878}
879
880static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
881{
882	/*
883	 * This is slightly biased for non-power-of-2 values of 'ceil', but this
884	 * isn't important here.
885	 */
886	return prandom_u32_state(rng) % ceil;
887}
888
889static inline bool prandom_bool(struct rnd_state *rng)
890{
891	return prandom_u32_below(rng, 2);
892}
893
894static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
895					u32 floor, u32 ceil)
896{
897	return floor + prandom_u32_below(rng, ceil - floor + 1);
898}
899
900/* Generate a random length in range [0, max_len], but prefer smaller values */
901static unsigned int generate_random_length(struct rnd_state *rng,
902					   unsigned int max_len)
903{
904	unsigned int len = prandom_u32_below(rng, max_len + 1);
905
906	switch (prandom_u32_below(rng, 4)) {
907	case 0:
908		return len % 64;
909	case 1:
910		return len % 256;
911	case 2:
912		return len % 1024;
913	default:
914		return len;
915	}
916}
917
918/* Flip a random bit in the given nonempty data buffer */
919static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
920{
921	size_t bitpos;
922
923	bitpos = prandom_u32_below(rng, size * 8);
924	buf[bitpos / 8] ^= 1 << (bitpos % 8);
925}
926
927/* Flip a random byte in the given nonempty data buffer */
928static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
929{
930	buf[prandom_u32_below(rng, size)] ^= 0xff;
931}
932
933/* Sometimes make some random changes to the given nonempty data buffer */
934static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
935{
936	size_t num_flips;
937	size_t i;
938
939	/* Sometimes flip some bits */
940	if (prandom_u32_below(rng, 4) == 0) {
941		num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
942				  size * 8);
943		for (i = 0; i < num_flips; i++)
944			flip_random_bit(rng, buf, size);
945	}
946
947	/* Sometimes flip some bytes */
948	if (prandom_u32_below(rng, 4) == 0) {
949		num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
950		for (i = 0; i < num_flips; i++)
951			flip_random_byte(rng, buf, size);
952	}
953}
954
955/* Randomly generate 'count' bytes, but sometimes make them "interesting" */
956static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
957{
958	u8 b;
959	u8 increment;
960	size_t i;
961
962	if (count == 0)
963		return;
964
965	switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
966	case 0:
967	case 1:
968		/* All the same byte, plus optional mutations */
969		switch (prandom_u32_below(rng, 4)) {
970		case 0:
971			b = 0x00;
972			break;
973		case 1:
974			b = 0xff;
975			break;
976		default:
977			b = prandom_u8(rng);
978			break;
979		}
980		memset(buf, b, count);
981		mutate_buffer(rng, buf, count);
982		break;
983	case 2:
984		/* Ascending or descending bytes, plus optional mutations */
985		increment = prandom_u8(rng);
986		b = prandom_u8(rng);
987		for (i = 0; i < count; i++, b += increment)
988			buf[i] = b;
989		mutate_buffer(rng, buf, count);
990		break;
991	default:
992		/* Fully random bytes */
993		prandom_bytes_state(rng, buf, count);
994	}
995}
996
997static char *generate_random_sgl_divisions(struct rnd_state *rng,
998					   struct test_sg_division *divs,
999					   size_t max_divs, char *p, char *end,
1000					   bool gen_flushes, u32 req_flags)
1001{
1002	struct test_sg_division *div = divs;
1003	unsigned int remaining = TEST_SG_TOTAL;
1004
1005	do {
1006		unsigned int this_len;
1007		const char *flushtype_str;
1008
1009		if (div == &divs[max_divs - 1] || prandom_bool(rng))
1010			this_len = remaining;
1011		else
1012			this_len = prandom_u32_inclusive(rng, 1, remaining);
1013		div->proportion_of_total = this_len;
1014
1015		if (prandom_u32_below(rng, 4) == 0)
1016			div->offset = prandom_u32_inclusive(rng,
1017							    PAGE_SIZE - 128,
1018							    PAGE_SIZE - 1);
1019		else if (prandom_bool(rng))
1020			div->offset = prandom_u32_below(rng, 32);
1021		else
1022			div->offset = prandom_u32_below(rng, PAGE_SIZE);
1023		if (prandom_u32_below(rng, 8) == 0)
1024			div->offset_relative_to_alignmask = true;
1025
1026		div->flush_type = FLUSH_TYPE_NONE;
1027		if (gen_flushes) {
1028			switch (prandom_u32_below(rng, 4)) {
1029			case 0:
1030				div->flush_type = FLUSH_TYPE_REIMPORT;
1031				break;
1032			case 1:
1033				div->flush_type = FLUSH_TYPE_FLUSH;
1034				break;
1035			}
1036		}
1037
1038		if (div->flush_type != FLUSH_TYPE_NONE &&
1039		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1040		    prandom_bool(rng))
1041			div->nosimd = true;
1042
1043		switch (div->flush_type) {
1044		case FLUSH_TYPE_FLUSH:
1045			if (div->nosimd)
1046				flushtype_str = "<flush,nosimd>";
1047			else
1048				flushtype_str = "<flush>";
1049			break;
1050		case FLUSH_TYPE_REIMPORT:
1051			if (div->nosimd)
1052				flushtype_str = "<reimport,nosimd>";
1053			else
1054				flushtype_str = "<reimport>";
1055			break;
1056		default:
1057			flushtype_str = "";
1058			break;
1059		}
1060
1061		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1062		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1063			       this_len / 100, this_len % 100,
1064			       div->offset_relative_to_alignmask ?
1065					"alignmask" : "",
1066			       div->offset, this_len == remaining ? "" : ", ");
1067		remaining -= this_len;
1068		div++;
1069	} while (remaining);
1070
1071	return p;
1072}
1073
1074/* Generate a random testvec_config for fuzz testing */
1075static void generate_random_testvec_config(struct rnd_state *rng,
1076					   struct testvec_config *cfg,
1077					   char *name, size_t max_namelen)
1078{
1079	char *p = name;
1080	char * const end = name + max_namelen;
1081
1082	memset(cfg, 0, sizeof(*cfg));
1083
1084	cfg->name = name;
1085
1086	p += scnprintf(p, end - p, "random:");
1087
1088	switch (prandom_u32_below(rng, 4)) {
1089	case 0:
1090	case 1:
1091		cfg->inplace_mode = OUT_OF_PLACE;
1092		break;
1093	case 2:
1094		cfg->inplace_mode = INPLACE_ONE_SGLIST;
1095		p += scnprintf(p, end - p, " inplace_one_sglist");
1096		break;
1097	default:
1098		cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1099		p += scnprintf(p, end - p, " inplace_two_sglists");
1100		break;
1101	}
1102
1103	if (prandom_bool(rng)) {
1104		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1105		p += scnprintf(p, end - p, " may_sleep");
1106	}
1107
1108	switch (prandom_u32_below(rng, 4)) {
1109	case 0:
1110		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1111		p += scnprintf(p, end - p, " use_final");
1112		break;
1113	case 1:
1114		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1115		p += scnprintf(p, end - p, " use_finup");
1116		break;
1117	default:
1118		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1119		p += scnprintf(p, end - p, " use_digest");
1120		break;
1121	}
1122
1123	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) {
1124		cfg->nosimd = true;
1125		p += scnprintf(p, end - p, " nosimd");
1126	}
1127
1128	p += scnprintf(p, end - p, " src_divs=[");
1129	p = generate_random_sgl_divisions(rng, cfg->src_divs,
1130					  ARRAY_SIZE(cfg->src_divs), p, end,
1131					  (cfg->finalization_type !=
1132					   FINALIZATION_TYPE_DIGEST),
1133					  cfg->req_flags);
1134	p += scnprintf(p, end - p, "]");
1135
1136	if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1137		p += scnprintf(p, end - p, " dst_divs=[");
1138		p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1139						  ARRAY_SIZE(cfg->dst_divs),
1140						  p, end, false,
1141						  cfg->req_flags);
1142		p += scnprintf(p, end - p, "]");
1143	}
1144
1145	if (prandom_bool(rng)) {
1146		cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1147						       MAX_ALGAPI_ALIGNMASK);
1148		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1149	}
1150
1151	if (prandom_bool(rng)) {
1152		cfg->key_offset = prandom_u32_inclusive(rng, 1,
1153							MAX_ALGAPI_ALIGNMASK);
1154		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1155	}
1156
1157	WARN_ON_ONCE(!valid_testvec_config(cfg));
1158}
1159
1160static void crypto_disable_simd_for_test(void)
1161{
1162	migrate_disable();
1163	__this_cpu_write(crypto_simd_disabled_for_test, true);
1164}
1165
1166static void crypto_reenable_simd_for_test(void)
1167{
1168	__this_cpu_write(crypto_simd_disabled_for_test, false);
1169	migrate_enable();
1170}
1171
1172/*
1173 * Given an algorithm name, build the name of the generic implementation of that
1174 * algorithm, assuming the usual naming convention.  Specifically, this appends
1175 * "-generic" to every part of the name that is not a template name.  Examples:
1176 *
1177 *	aes => aes-generic
1178 *	cbc(aes) => cbc(aes-generic)
1179 *	cts(cbc(aes)) => cts(cbc(aes-generic))
1180 *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1181 *
1182 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1183 */
1184static int build_generic_driver_name(const char *algname,
1185				     char driver_name[CRYPTO_MAX_ALG_NAME])
1186{
1187	const char *in = algname;
1188	char *out = driver_name;
1189	size_t len = strlen(algname);
1190
1191	if (len >= CRYPTO_MAX_ALG_NAME)
1192		goto too_long;
1193	do {
1194		const char *in_saved = in;
1195
1196		while (*in && *in != '(' && *in != ')' && *in != ',')
1197			*out++ = *in++;
1198		if (*in != '(' && in > in_saved) {
1199			len += 8;
1200			if (len >= CRYPTO_MAX_ALG_NAME)
1201				goto too_long;
1202			memcpy(out, "-generic", 8);
1203			out += 8;
1204		}
1205	} while ((*out++ = *in++) != '\0');
1206	return 0;
1207
1208too_long:
1209	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1210	       algname);
1211	return -ENAMETOOLONG;
1212}
1213#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1214static void crypto_disable_simd_for_test(void)
1215{
1216}
1217
1218static void crypto_reenable_simd_for_test(void)
1219{
1220}
1221#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1222
1223static int build_hash_sglist(struct test_sglist *tsgl,
1224			     const struct hash_testvec *vec,
1225			     const struct testvec_config *cfg,
1226			     unsigned int alignmask,
1227			     const struct test_sg_division *divs[XBUFSIZE])
1228{
1229	struct kvec kv;
1230	struct iov_iter input;
1231
1232	kv.iov_base = (void *)vec->plaintext;
1233	kv.iov_len = vec->psize;
1234	iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1235	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1236				 &input, divs);
1237}
1238
1239static int check_hash_result(const char *type,
1240			     const u8 *result, unsigned int digestsize,
1241			     const struct hash_testvec *vec,
1242			     const char *vec_name,
1243			     const char *driver,
1244			     const struct testvec_config *cfg)
1245{
1246	if (memcmp(result, vec->digest, digestsize) != 0) {
1247		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1248		       type, driver, vec_name, cfg->name);
1249		return -EINVAL;
1250	}
1251	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1252		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1253		       type, driver, vec_name, cfg->name);
1254		return -EOVERFLOW;
1255	}
1256	return 0;
1257}
1258
1259static inline int check_shash_op(const char *op, int err,
1260				 const char *driver, const char *vec_name,
1261				 const struct testvec_config *cfg)
1262{
1263	if (err)
1264		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1265		       driver, op, err, vec_name, cfg->name);
1266	return err;
1267}
1268
1269/* Test one hash test vector in one configuration, using the shash API */
1270static int test_shash_vec_cfg(const struct hash_testvec *vec,
1271			      const char *vec_name,
1272			      const struct testvec_config *cfg,
1273			      struct shash_desc *desc,
1274			      struct test_sglist *tsgl,
1275			      u8 *hashstate)
1276{
1277	struct crypto_shash *tfm = desc->tfm;
1278	const unsigned int alignmask = crypto_shash_alignmask(tfm);
1279	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1280	const unsigned int statesize = crypto_shash_statesize(tfm);
1281	const char *driver = crypto_shash_driver_name(tfm);
1282	const struct test_sg_division *divs[XBUFSIZE];
1283	unsigned int i;
1284	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1285	int err;
1286
1287	/* Set the key, if specified */
1288	if (vec->ksize) {
1289		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1290				cfg, alignmask);
1291		if (err) {
1292			if (err == vec->setkey_error)
1293				return 0;
1294			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1295			       driver, vec_name, vec->setkey_error, err,
1296			       crypto_shash_get_flags(tfm));
1297			return err;
1298		}
1299		if (vec->setkey_error) {
1300			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1301			       driver, vec_name, vec->setkey_error);
1302			return -EINVAL;
1303		}
1304	}
1305
1306	/* Build the scatterlist for the source data */
1307	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1308	if (err) {
1309		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1310		       driver, vec_name, cfg->name);
1311		return err;
1312	}
1313
1314	/* Do the actual hashing */
1315
1316	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1317	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1318
1319	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1320	    vec->digest_error) {
1321		/* Just using digest() */
1322		if (tsgl->nents != 1)
1323			return 0;
1324		if (cfg->nosimd)
1325			crypto_disable_simd_for_test();
1326		err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1327					  tsgl->sgl[0].length, result);
1328		if (cfg->nosimd)
1329			crypto_reenable_simd_for_test();
1330		if (err) {
1331			if (err == vec->digest_error)
1332				return 0;
1333			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1334			       driver, vec_name, vec->digest_error, err,
1335			       cfg->name);
1336			return err;
1337		}
1338		if (vec->digest_error) {
1339			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1340			       driver, vec_name, vec->digest_error, cfg->name);
1341			return -EINVAL;
1342		}
1343		goto result_ready;
1344	}
1345
1346	/* Using init(), zero or more update(), then final() or finup() */
1347
1348	if (cfg->nosimd)
1349		crypto_disable_simd_for_test();
1350	err = crypto_shash_init(desc);
1351	if (cfg->nosimd)
1352		crypto_reenable_simd_for_test();
1353	err = check_shash_op("init", err, driver, vec_name, cfg);
1354	if (err)
1355		return err;
1356
1357	for (i = 0; i < tsgl->nents; i++) {
1358		if (i + 1 == tsgl->nents &&
1359		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1360			if (divs[i]->nosimd)
1361				crypto_disable_simd_for_test();
1362			err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1363						 tsgl->sgl[i].length, result);
1364			if (divs[i]->nosimd)
1365				crypto_reenable_simd_for_test();
1366			err = check_shash_op("finup", err, driver, vec_name,
1367					     cfg);
1368			if (err)
1369				return err;
1370			goto result_ready;
1371		}
1372		if (divs[i]->nosimd)
1373			crypto_disable_simd_for_test();
1374		err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1375					  tsgl->sgl[i].length);
1376		if (divs[i]->nosimd)
1377			crypto_reenable_simd_for_test();
1378		err = check_shash_op("update", err, driver, vec_name, cfg);
1379		if (err)
1380			return err;
1381		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1382			/* Test ->export() and ->import() */
1383			testmgr_poison(hashstate + statesize,
1384				       TESTMGR_POISON_LEN);
1385			err = crypto_shash_export(desc, hashstate);
1386			err = check_shash_op("export", err, driver, vec_name,
1387					     cfg);
1388			if (err)
1389				return err;
1390			if (!testmgr_is_poison(hashstate + statesize,
1391					       TESTMGR_POISON_LEN)) {
1392				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1393				       driver, vec_name, cfg->name);
1394				return -EOVERFLOW;
1395			}
1396			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1397			err = crypto_shash_import(desc, hashstate);
1398			err = check_shash_op("import", err, driver, vec_name,
1399					     cfg);
1400			if (err)
1401				return err;
1402		}
1403	}
1404
1405	if (cfg->nosimd)
1406		crypto_disable_simd_for_test();
1407	err = crypto_shash_final(desc, result);
1408	if (cfg->nosimd)
1409		crypto_reenable_simd_for_test();
1410	err = check_shash_op("final", err, driver, vec_name, cfg);
1411	if (err)
1412		return err;
1413result_ready:
1414	return check_hash_result("shash", result, digestsize, vec, vec_name,
1415				 driver, cfg);
1416}
1417
1418static int do_ahash_op(int (*op)(struct ahash_request *req),
1419		       struct ahash_request *req,
1420		       struct crypto_wait *wait, bool nosimd)
1421{
1422	int err;
1423
1424	if (nosimd)
1425		crypto_disable_simd_for_test();
1426
1427	err = op(req);
1428
1429	if (nosimd)
1430		crypto_reenable_simd_for_test();
1431
1432	return crypto_wait_req(err, wait);
1433}
1434
1435static int check_nonfinal_ahash_op(const char *op, int err,
1436				   u8 *result, unsigned int digestsize,
1437				   const char *driver, const char *vec_name,
1438				   const struct testvec_config *cfg)
1439{
1440	if (err) {
1441		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1442		       driver, op, err, vec_name, cfg->name);
1443		return err;
1444	}
1445	if (!testmgr_is_poison(result, digestsize)) {
1446		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1447		       driver, op, vec_name, cfg->name);
1448		return -EINVAL;
1449	}
1450	return 0;
1451}
1452
1453/* Test one hash test vector in one configuration, using the ahash API */
1454static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1455			      const char *vec_name,
1456			      const struct testvec_config *cfg,
1457			      struct ahash_request *req,
1458			      struct test_sglist *tsgl,
1459			      u8 *hashstate)
1460{
1461	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1462	const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1463	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1464	const unsigned int statesize = crypto_ahash_statesize(tfm);
1465	const char *driver = crypto_ahash_driver_name(tfm);
1466	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1467	const struct test_sg_division *divs[XBUFSIZE];
1468	DECLARE_CRYPTO_WAIT(wait);
1469	unsigned int i;
1470	struct scatterlist *pending_sgl;
1471	unsigned int pending_len;
1472	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1473	int err;
1474
1475	/* Set the key, if specified */
1476	if (vec->ksize) {
1477		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1478				cfg, alignmask);
1479		if (err) {
1480			if (err == vec->setkey_error)
1481				return 0;
1482			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1483			       driver, vec_name, vec->setkey_error, err,
1484			       crypto_ahash_get_flags(tfm));
1485			return err;
1486		}
1487		if (vec->setkey_error) {
1488			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1489			       driver, vec_name, vec->setkey_error);
1490			return -EINVAL;
1491		}
1492	}
1493
1494	/* Build the scatterlist for the source data */
1495	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1496	if (err) {
1497		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1498		       driver, vec_name, cfg->name);
1499		return err;
1500	}
1501
1502	/* Do the actual hashing */
1503
1504	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1505	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1506
1507	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1508	    vec->digest_error) {
1509		/* Just using digest() */
1510		ahash_request_set_callback(req, req_flags, crypto_req_done,
1511					   &wait);
1512		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1513		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1514		if (err) {
1515			if (err == vec->digest_error)
1516				return 0;
1517			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1518			       driver, vec_name, vec->digest_error, err,
1519			       cfg->name);
1520			return err;
1521		}
1522		if (vec->digest_error) {
1523			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1524			       driver, vec_name, vec->digest_error, cfg->name);
1525			return -EINVAL;
1526		}
1527		goto result_ready;
1528	}
1529
1530	/* Using init(), zero or more update(), then final() or finup() */
1531
1532	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1533	ahash_request_set_crypt(req, NULL, result, 0);
1534	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1535	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1536				      driver, vec_name, cfg);
1537	if (err)
1538		return err;
1539
1540	pending_sgl = NULL;
1541	pending_len = 0;
1542	for (i = 0; i < tsgl->nents; i++) {
1543		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1544		    pending_sgl != NULL) {
1545			/* update() with the pending data */
1546			ahash_request_set_callback(req, req_flags,
1547						   crypto_req_done, &wait);
1548			ahash_request_set_crypt(req, pending_sgl, result,
1549						pending_len);
1550			err = do_ahash_op(crypto_ahash_update, req, &wait,
1551					  divs[i]->nosimd);
1552			err = check_nonfinal_ahash_op("update", err,
1553						      result, digestsize,
1554						      driver, vec_name, cfg);
1555			if (err)
1556				return err;
1557			pending_sgl = NULL;
1558			pending_len = 0;
1559		}
1560		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1561			/* Test ->export() and ->import() */
1562			testmgr_poison(hashstate + statesize,
1563				       TESTMGR_POISON_LEN);
1564			err = crypto_ahash_export(req, hashstate);
1565			err = check_nonfinal_ahash_op("export", err,
1566						      result, digestsize,
1567						      driver, vec_name, cfg);
1568			if (err)
1569				return err;
1570			if (!testmgr_is_poison(hashstate + statesize,
1571					       TESTMGR_POISON_LEN)) {
1572				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1573				       driver, vec_name, cfg->name);
1574				return -EOVERFLOW;
1575			}
1576
1577			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1578			err = crypto_ahash_import(req, hashstate);
1579			err = check_nonfinal_ahash_op("import", err,
1580						      result, digestsize,
1581						      driver, vec_name, cfg);
1582			if (err)
1583				return err;
1584		}
1585		if (pending_sgl == NULL)
1586			pending_sgl = &tsgl->sgl[i];
1587		pending_len += tsgl->sgl[i].length;
1588	}
1589
1590	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1591	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1592	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1593		/* finish with update() and final() */
1594		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1595		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1596					      driver, vec_name, cfg);
1597		if (err)
1598			return err;
1599		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1600		if (err) {
1601			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1602			       driver, err, vec_name, cfg->name);
1603			return err;
1604		}
1605	} else {
1606		/* finish with finup() */
1607		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1608		if (err) {
1609			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1610			       driver, err, vec_name, cfg->name);
1611			return err;
1612		}
1613	}
1614
1615result_ready:
1616	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1617				 driver, cfg);
1618}
1619
1620static int test_hash_vec_cfg(const struct hash_testvec *vec,
1621			     const char *vec_name,
1622			     const struct testvec_config *cfg,
1623			     struct ahash_request *req,
1624			     struct shash_desc *desc,
1625			     struct test_sglist *tsgl,
1626			     u8 *hashstate)
1627{
1628	int err;
1629
1630	/*
1631	 * For algorithms implemented as "shash", most bugs will be detected by
1632	 * both the shash and ahash tests.  Test the shash API first so that the
1633	 * failures involve less indirection, so are easier to debug.
1634	 */
1635
1636	if (desc) {
1637		err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1638					 hashstate);
1639		if (err)
1640			return err;
1641	}
1642
1643	return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1644}
1645
1646static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1647			 struct ahash_request *req, struct shash_desc *desc,
1648			 struct test_sglist *tsgl, u8 *hashstate)
1649{
1650	char vec_name[16];
1651	unsigned int i;
1652	int err;
1653
1654	sprintf(vec_name, "%u", vec_num);
1655
1656	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1657		err = test_hash_vec_cfg(vec, vec_name,
1658					&default_hash_testvec_configs[i],
1659					req, desc, tsgl, hashstate);
1660		if (err)
1661			return err;
1662	}
1663
1664#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1665	if (!noextratests) {
1666		struct rnd_state rng;
1667		struct testvec_config cfg;
1668		char cfgname[TESTVEC_CONFIG_NAMELEN];
1669
1670		init_rnd_state(&rng);
1671
1672		for (i = 0; i < fuzz_iterations; i++) {
1673			generate_random_testvec_config(&rng, &cfg, cfgname,
1674						       sizeof(cfgname));
1675			err = test_hash_vec_cfg(vec, vec_name, &cfg,
1676						req, desc, tsgl, hashstate);
1677			if (err)
1678				return err;
1679			cond_resched();
1680		}
1681	}
1682#endif
1683	return 0;
1684}
1685
1686#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1687/*
1688 * Generate a hash test vector from the given implementation.
1689 * Assumes the buffers in 'vec' were already allocated.
1690 */
1691static void generate_random_hash_testvec(struct rnd_state *rng,
1692					 struct shash_desc *desc,
1693					 struct hash_testvec *vec,
1694					 unsigned int maxkeysize,
1695					 unsigned int maxdatasize,
1696					 char *name, size_t max_namelen)
1697{
1698	/* Data */
1699	vec->psize = generate_random_length(rng, maxdatasize);
1700	generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1701
1702	/*
1703	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1704	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1705	 */
1706	vec->setkey_error = 0;
1707	vec->ksize = 0;
1708	if (maxkeysize) {
1709		vec->ksize = maxkeysize;
1710		if (prandom_u32_below(rng, 4) == 0)
1711			vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1712		generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1713
1714		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1715							vec->ksize);
1716		/* If the key couldn't be set, no need to continue to digest. */
1717		if (vec->setkey_error)
1718			goto done;
1719	}
1720
1721	/* Digest */
1722	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1723						vec->psize, (u8 *)vec->digest);
1724done:
1725	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1726		 vec->psize, vec->ksize);
1727}
1728
1729/*
1730 * Test the hash algorithm represented by @req against the corresponding generic
1731 * implementation, if one is available.
1732 */
1733static int test_hash_vs_generic_impl(const char *generic_driver,
1734				     unsigned int maxkeysize,
1735				     struct ahash_request *req,
1736				     struct shash_desc *desc,
1737				     struct test_sglist *tsgl,
1738				     u8 *hashstate)
1739{
1740	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1741	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1742	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1743	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1744	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1745	const char *driver = crypto_ahash_driver_name(tfm);
1746	struct rnd_state rng;
1747	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1748	struct crypto_shash *generic_tfm = NULL;
1749	struct shash_desc *generic_desc = NULL;
1750	unsigned int i;
1751	struct hash_testvec vec = { 0 };
1752	char vec_name[64];
1753	struct testvec_config *cfg;
1754	char cfgname[TESTVEC_CONFIG_NAMELEN];
1755	int err;
1756
1757	if (noextratests)
1758		return 0;
1759
1760	init_rnd_state(&rng);
1761
1762	if (!generic_driver) { /* Use default naming convention? */
1763		err = build_generic_driver_name(algname, _generic_driver);
1764		if (err)
1765			return err;
1766		generic_driver = _generic_driver;
1767	}
1768
1769	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1770		return 0;
1771
1772	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1773	if (IS_ERR(generic_tfm)) {
1774		err = PTR_ERR(generic_tfm);
1775		if (err == -ENOENT) {
1776			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1777				driver, generic_driver);
1778			return 0;
1779		}
1780		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1781		       generic_driver, algname, err);
1782		return err;
1783	}
1784
1785	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1786	if (!cfg) {
1787		err = -ENOMEM;
1788		goto out;
1789	}
1790
1791	generic_desc = kzalloc(sizeof(*desc) +
1792			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1793	if (!generic_desc) {
1794		err = -ENOMEM;
1795		goto out;
1796	}
1797	generic_desc->tfm = generic_tfm;
1798
1799	/* Check the algorithm properties for consistency. */
1800
1801	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1802		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1803		       driver, digestsize,
1804		       crypto_shash_digestsize(generic_tfm));
1805		err = -EINVAL;
1806		goto out;
1807	}
1808
1809	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1810		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1811		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1812		err = -EINVAL;
1813		goto out;
1814	}
1815
1816	/*
1817	 * Now generate test vectors using the generic implementation, and test
1818	 * the other implementation against them.
1819	 */
1820
1821	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1822	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1823	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1824	if (!vec.key || !vec.plaintext || !vec.digest) {
1825		err = -ENOMEM;
1826		goto out;
1827	}
1828
1829	for (i = 0; i < fuzz_iterations * 8; i++) {
1830		generate_random_hash_testvec(&rng, generic_desc, &vec,
1831					     maxkeysize, maxdatasize,
1832					     vec_name, sizeof(vec_name));
1833		generate_random_testvec_config(&rng, cfg, cfgname,
1834					       sizeof(cfgname));
1835
1836		err = test_hash_vec_cfg(&vec, vec_name, cfg,
1837					req, desc, tsgl, hashstate);
1838		if (err)
1839			goto out;
1840		cond_resched();
1841	}
1842	err = 0;
1843out:
1844	kfree(cfg);
1845	kfree(vec.key);
1846	kfree(vec.plaintext);
1847	kfree(vec.digest);
1848	crypto_free_shash(generic_tfm);
1849	kfree_sensitive(generic_desc);
1850	return err;
1851}
1852#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1853static int test_hash_vs_generic_impl(const char *generic_driver,
1854				     unsigned int maxkeysize,
1855				     struct ahash_request *req,
1856				     struct shash_desc *desc,
1857				     struct test_sglist *tsgl,
1858				     u8 *hashstate)
1859{
1860	return 0;
1861}
1862#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1863
1864static int alloc_shash(const char *driver, u32 type, u32 mask,
1865		       struct crypto_shash **tfm_ret,
1866		       struct shash_desc **desc_ret)
1867{
1868	struct crypto_shash *tfm;
1869	struct shash_desc *desc;
1870
1871	tfm = crypto_alloc_shash(driver, type, mask);
1872	if (IS_ERR(tfm)) {
1873		if (PTR_ERR(tfm) == -ENOENT) {
1874			/*
1875			 * This algorithm is only available through the ahash
1876			 * API, not the shash API, so skip the shash tests.
1877			 */
1878			return 0;
1879		}
1880		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1881		       driver, PTR_ERR(tfm));
1882		return PTR_ERR(tfm);
1883	}
1884
1885	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1886	if (!desc) {
1887		crypto_free_shash(tfm);
1888		return -ENOMEM;
1889	}
1890	desc->tfm = tfm;
1891
1892	*tfm_ret = tfm;
1893	*desc_ret = desc;
1894	return 0;
1895}
1896
1897static int __alg_test_hash(const struct hash_testvec *vecs,
1898			   unsigned int num_vecs, const char *driver,
1899			   u32 type, u32 mask,
1900			   const char *generic_driver, unsigned int maxkeysize)
1901{
1902	struct crypto_ahash *atfm = NULL;
1903	struct ahash_request *req = NULL;
1904	struct crypto_shash *stfm = NULL;
1905	struct shash_desc *desc = NULL;
1906	struct test_sglist *tsgl = NULL;
1907	u8 *hashstate = NULL;
1908	unsigned int statesize;
1909	unsigned int i;
1910	int err;
1911
1912	/*
1913	 * Always test the ahash API.  This works regardless of whether the
1914	 * algorithm is implemented as ahash or shash.
1915	 */
1916
1917	atfm = crypto_alloc_ahash(driver, type, mask);
1918	if (IS_ERR(atfm)) {
1919		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1920		       driver, PTR_ERR(atfm));
1921		return PTR_ERR(atfm);
1922	}
1923	driver = crypto_ahash_driver_name(atfm);
1924
1925	req = ahash_request_alloc(atfm, GFP_KERNEL);
1926	if (!req) {
1927		pr_err("alg: hash: failed to allocate request for %s\n",
1928		       driver);
1929		err = -ENOMEM;
1930		goto out;
1931	}
1932
1933	/*
1934	 * If available also test the shash API, to cover corner cases that may
1935	 * be missed by testing the ahash API only.
1936	 */
1937	err = alloc_shash(driver, type, mask, &stfm, &desc);
1938	if (err)
1939		goto out;
1940
1941	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1942	if (!tsgl || init_test_sglist(tsgl) != 0) {
1943		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1944		       driver);
1945		kfree(tsgl);
1946		tsgl = NULL;
1947		err = -ENOMEM;
1948		goto out;
1949	}
1950
1951	statesize = crypto_ahash_statesize(atfm);
1952	if (stfm)
1953		statesize = max(statesize, crypto_shash_statesize(stfm));
1954	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1955	if (!hashstate) {
1956		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1957		       driver);
1958		err = -ENOMEM;
1959		goto out;
1960	}
1961
1962	for (i = 0; i < num_vecs; i++) {
1963		if (fips_enabled && vecs[i].fips_skip)
1964			continue;
1965
1966		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1967		if (err)
1968			goto out;
1969		cond_resched();
1970	}
1971	err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1972					desc, tsgl, hashstate);
1973out:
1974	kfree(hashstate);
1975	if (tsgl) {
1976		destroy_test_sglist(tsgl);
1977		kfree(tsgl);
1978	}
1979	kfree(desc);
1980	crypto_free_shash(stfm);
1981	ahash_request_free(req);
1982	crypto_free_ahash(atfm);
1983	return err;
1984}
1985
1986static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1987			 u32 type, u32 mask)
1988{
1989	const struct hash_testvec *template = desc->suite.hash.vecs;
1990	unsigned int tcount = desc->suite.hash.count;
1991	unsigned int nr_unkeyed, nr_keyed;
1992	unsigned int maxkeysize = 0;
1993	int err;
1994
1995	/*
1996	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1997	 * first, before setting a key on the tfm.  To make this easier, we
1998	 * require that the unkeyed test vectors (if any) are listed first.
1999	 */
2000
2001	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
2002		if (template[nr_unkeyed].ksize)
2003			break;
2004	}
2005	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2006		if (!template[nr_unkeyed + nr_keyed].ksize) {
2007			pr_err("alg: hash: test vectors for %s out of order, "
2008			       "unkeyed ones must come first\n", desc->alg);
2009			return -EINVAL;
2010		}
2011		maxkeysize = max_t(unsigned int, maxkeysize,
2012				   template[nr_unkeyed + nr_keyed].ksize);
2013	}
2014
2015	err = 0;
2016	if (nr_unkeyed) {
2017		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2018				      desc->generic_driver, maxkeysize);
2019		template += nr_unkeyed;
2020	}
2021
2022	if (!err && nr_keyed)
2023		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2024				      desc->generic_driver, maxkeysize);
2025
2026	return err;
2027}
2028
2029static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2030			     const char *vec_name,
2031			     const struct testvec_config *cfg,
2032			     struct aead_request *req,
2033			     struct cipher_test_sglists *tsgls)
2034{
2035	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2036	const unsigned int alignmask = crypto_aead_alignmask(tfm);
2037	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2038	const unsigned int authsize = vec->clen - vec->plen;
2039	const char *driver = crypto_aead_driver_name(tfm);
2040	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2041	const char *op = enc ? "encryption" : "decryption";
2042	DECLARE_CRYPTO_WAIT(wait);
2043	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2044	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2045		 cfg->iv_offset +
2046		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2047	struct kvec input[2];
2048	int err;
2049
2050	/* Set the key */
2051	if (vec->wk)
2052		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2053	else
2054		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2055
2056	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2057			cfg, alignmask);
2058	if (err && err != vec->setkey_error) {
2059		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2060		       driver, vec_name, vec->setkey_error, err,
2061		       crypto_aead_get_flags(tfm));
2062		return err;
2063	}
2064	if (!err && vec->setkey_error) {
2065		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2066		       driver, vec_name, vec->setkey_error);
2067		return -EINVAL;
2068	}
2069
2070	/* Set the authentication tag size */
2071	err = crypto_aead_setauthsize(tfm, authsize);
2072	if (err && err != vec->setauthsize_error) {
2073		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2074		       driver, vec_name, vec->setauthsize_error, err);
2075		return err;
2076	}
2077	if (!err && vec->setauthsize_error) {
2078		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2079		       driver, vec_name, vec->setauthsize_error);
2080		return -EINVAL;
2081	}
2082
2083	if (vec->setkey_error || vec->setauthsize_error)
2084		return 0;
2085
2086	/* The IV must be copied to a buffer, as the algorithm may modify it */
2087	if (WARN_ON(ivsize > MAX_IVLEN))
2088		return -EINVAL;
2089	if (vec->iv)
2090		memcpy(iv, vec->iv, ivsize);
2091	else
2092		memset(iv, 0, ivsize);
2093
2094	/* Build the src/dst scatterlists */
2095	input[0].iov_base = (void *)vec->assoc;
2096	input[0].iov_len = vec->alen;
2097	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2098	input[1].iov_len = enc ? vec->plen : vec->clen;
2099	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2100					vec->alen + (enc ? vec->plen :
2101						     vec->clen),
2102					vec->alen + (enc ? vec->clen :
2103						     vec->plen),
2104					input, 2);
2105	if (err) {
2106		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2107		       driver, op, vec_name, cfg->name);
2108		return err;
2109	}
2110
2111	/* Do the actual encryption or decryption */
2112	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2113	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2114	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2115			       enc ? vec->plen : vec->clen, iv);
2116	aead_request_set_ad(req, vec->alen);
2117	if (cfg->nosimd)
2118		crypto_disable_simd_for_test();
2119	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2120	if (cfg->nosimd)
2121		crypto_reenable_simd_for_test();
2122	err = crypto_wait_req(err, &wait);
2123
2124	/* Check that the algorithm didn't overwrite things it shouldn't have */
2125	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2126	    req->assoclen != vec->alen ||
2127	    req->iv != iv ||
2128	    req->src != tsgls->src.sgl_ptr ||
2129	    req->dst != tsgls->dst.sgl_ptr ||
2130	    crypto_aead_reqtfm(req) != tfm ||
2131	    req->base.complete != crypto_req_done ||
2132	    req->base.flags != req_flags ||
2133	    req->base.data != &wait) {
2134		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2135		       driver, op, vec_name, cfg->name);
2136		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2137			pr_err("alg: aead: changed 'req->cryptlen'\n");
2138		if (req->assoclen != vec->alen)
2139			pr_err("alg: aead: changed 'req->assoclen'\n");
2140		if (req->iv != iv)
2141			pr_err("alg: aead: changed 'req->iv'\n");
2142		if (req->src != tsgls->src.sgl_ptr)
2143			pr_err("alg: aead: changed 'req->src'\n");
2144		if (req->dst != tsgls->dst.sgl_ptr)
2145			pr_err("alg: aead: changed 'req->dst'\n");
2146		if (crypto_aead_reqtfm(req) != tfm)
2147			pr_err("alg: aead: changed 'req->base.tfm'\n");
2148		if (req->base.complete != crypto_req_done)
2149			pr_err("alg: aead: changed 'req->base.complete'\n");
2150		if (req->base.flags != req_flags)
2151			pr_err("alg: aead: changed 'req->base.flags'\n");
2152		if (req->base.data != &wait)
2153			pr_err("alg: aead: changed 'req->base.data'\n");
2154		return -EINVAL;
2155	}
2156	if (is_test_sglist_corrupted(&tsgls->src)) {
2157		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2158		       driver, op, vec_name, cfg->name);
2159		return -EINVAL;
2160	}
2161	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2162	    is_test_sglist_corrupted(&tsgls->dst)) {
2163		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2164		       driver, op, vec_name, cfg->name);
2165		return -EINVAL;
2166	}
2167
2168	/* Check for unexpected success or failure, or wrong error code */
2169	if ((err == 0 && vec->novrfy) ||
2170	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2171		char expected_error[32];
2172
2173		if (vec->novrfy &&
2174		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2175			sprintf(expected_error, "-EBADMSG or %d",
2176				vec->crypt_error);
2177		else if (vec->novrfy)
2178			sprintf(expected_error, "-EBADMSG");
2179		else
2180			sprintf(expected_error, "%d", vec->crypt_error);
2181		if (err) {
2182			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2183			       driver, op, vec_name, expected_error, err,
2184			       cfg->name);
2185			return err;
2186		}
2187		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2188		       driver, op, vec_name, expected_error, cfg->name);
2189		return -EINVAL;
2190	}
2191	if (err) /* Expectedly failed. */
2192		return 0;
2193
2194	/* Check for the correct output (ciphertext or plaintext) */
2195	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2196				    enc ? vec->clen : vec->plen,
2197				    vec->alen,
2198				    enc || cfg->inplace_mode == OUT_OF_PLACE);
2199	if (err == -EOVERFLOW) {
2200		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2201		       driver, op, vec_name, cfg->name);
2202		return err;
2203	}
2204	if (err) {
2205		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2206		       driver, op, vec_name, cfg->name);
2207		return err;
2208	}
2209
2210	return 0;
2211}
2212
2213static int test_aead_vec(int enc, const struct aead_testvec *vec,
2214			 unsigned int vec_num, struct aead_request *req,
2215			 struct cipher_test_sglists *tsgls)
2216{
2217	char vec_name[16];
2218	unsigned int i;
2219	int err;
2220
2221	if (enc && vec->novrfy)
2222		return 0;
2223
2224	sprintf(vec_name, "%u", vec_num);
2225
2226	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2227		err = test_aead_vec_cfg(enc, vec, vec_name,
2228					&default_cipher_testvec_configs[i],
2229					req, tsgls);
2230		if (err)
2231			return err;
2232	}
2233
2234#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2235	if (!noextratests) {
2236		struct rnd_state rng;
2237		struct testvec_config cfg;
2238		char cfgname[TESTVEC_CONFIG_NAMELEN];
2239
2240		init_rnd_state(&rng);
2241
2242		for (i = 0; i < fuzz_iterations; i++) {
2243			generate_random_testvec_config(&rng, &cfg, cfgname,
2244						       sizeof(cfgname));
2245			err = test_aead_vec_cfg(enc, vec, vec_name,
2246						&cfg, req, tsgls);
2247			if (err)
2248				return err;
2249			cond_resched();
2250		}
2251	}
2252#endif
2253	return 0;
2254}
2255
2256#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2257
2258struct aead_extra_tests_ctx {
2259	struct rnd_state rng;
2260	struct aead_request *req;
2261	struct crypto_aead *tfm;
2262	const struct alg_test_desc *test_desc;
2263	struct cipher_test_sglists *tsgls;
2264	unsigned int maxdatasize;
2265	unsigned int maxkeysize;
2266
2267	struct aead_testvec vec;
2268	char vec_name[64];
2269	char cfgname[TESTVEC_CONFIG_NAMELEN];
2270	struct testvec_config cfg;
2271};
2272
2273/*
2274 * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2275 * here means the full ciphertext including the authentication tag.  The
2276 * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2277 */
2278static void mutate_aead_message(struct rnd_state *rng,
2279				struct aead_testvec *vec, bool aad_iv,
2280				unsigned int ivsize)
2281{
2282	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2283	const unsigned int authsize = vec->clen - vec->plen;
2284
2285	if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2286		 /* Mutate the AAD */
2287		flip_random_bit(rng, (u8 *)vec->assoc,
2288				vec->alen - aad_tail_size);
2289		if (prandom_bool(rng))
2290			return;
2291	}
2292	if (prandom_bool(rng)) {
2293		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2294		flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2295	} else {
2296		/* Mutate any part of the ciphertext */
2297		flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2298	}
2299}
2300
2301/*
2302 * Minimum authentication tag size in bytes at which we assume that we can
2303 * reliably generate inauthentic messages, i.e. not generate an authentic
2304 * message by chance.
2305 */
2306#define MIN_COLLISION_FREE_AUTHSIZE 8
2307
2308static void generate_aead_message(struct rnd_state *rng,
2309				  struct aead_request *req,
2310				  const struct aead_test_suite *suite,
2311				  struct aead_testvec *vec,
2312				  bool prefer_inauthentic)
2313{
2314	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2315	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2316	const unsigned int authsize = vec->clen - vec->plen;
2317	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2318				 (prefer_inauthentic ||
2319				  prandom_u32_below(rng, 4) == 0);
2320
2321	/* Generate the AAD. */
2322	generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2323	if (suite->aad_iv && vec->alen >= ivsize)
2324		/* Avoid implementation-defined behavior. */
2325		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2326
2327	if (inauthentic && prandom_bool(rng)) {
2328		/* Generate a random ciphertext. */
2329		generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2330	} else {
2331		int i = 0;
2332		struct scatterlist src[2], dst;
2333		u8 iv[MAX_IVLEN];
2334		DECLARE_CRYPTO_WAIT(wait);
2335
2336		/* Generate a random plaintext and encrypt it. */
2337		sg_init_table(src, 2);
2338		if (vec->alen)
2339			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2340		if (vec->plen) {
2341			generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2342			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2343		}
2344		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2345		memcpy(iv, vec->iv, ivsize);
2346		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2347		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2348		aead_request_set_ad(req, vec->alen);
2349		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2350						   &wait);
2351		/* If encryption failed, we're done. */
2352		if (vec->crypt_error != 0)
2353			return;
2354		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2355		if (!inauthentic)
2356			return;
2357		/*
2358		 * Mutate the authentic (ciphertext, AAD) pair to get an
2359		 * inauthentic one.
2360		 */
2361		mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2362	}
2363	vec->novrfy = 1;
2364	if (suite->einval_allowed)
2365		vec->crypt_error = -EINVAL;
2366}
2367
2368/*
2369 * Generate an AEAD test vector 'vec' using the implementation specified by
2370 * 'req'.  The buffers in 'vec' must already be allocated.
2371 *
2372 * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2373 * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2374 */
2375static void generate_random_aead_testvec(struct rnd_state *rng,
2376					 struct aead_request *req,
2377					 struct aead_testvec *vec,
2378					 const struct aead_test_suite *suite,
2379					 unsigned int maxkeysize,
2380					 unsigned int maxdatasize,
2381					 char *name, size_t max_namelen,
2382					 bool prefer_inauthentic)
2383{
2384	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2385	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2386	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2387	unsigned int authsize;
2388	unsigned int total_len;
2389
2390	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2391	vec->klen = maxkeysize;
2392	if (prandom_u32_below(rng, 4) == 0)
2393		vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2394	generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2395	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2396
2397	/* IV */
2398	generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2399
2400	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2401	authsize = maxauthsize;
2402	if (prandom_u32_below(rng, 4) == 0)
2403		authsize = prandom_u32_below(rng, maxauthsize + 1);
2404	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2405		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2406	if (WARN_ON(authsize > maxdatasize))
2407		authsize = maxdatasize;
2408	maxdatasize -= authsize;
2409	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2410
2411	/* AAD, plaintext, and ciphertext lengths */
2412	total_len = generate_random_length(rng, maxdatasize);
2413	if (prandom_u32_below(rng, 4) == 0)
2414		vec->alen = 0;
2415	else
2416		vec->alen = generate_random_length(rng, total_len);
2417	vec->plen = total_len - vec->alen;
2418	vec->clen = vec->plen + authsize;
2419
2420	/*
2421	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2422	 * key or the authentication tag size couldn't be set.
2423	 */
2424	vec->novrfy = 0;
2425	vec->crypt_error = 0;
2426	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2427		generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2428	snprintf(name, max_namelen,
2429		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2430		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2431}
2432
2433static void try_to_generate_inauthentic_testvec(
2434					struct aead_extra_tests_ctx *ctx)
2435{
2436	int i;
2437
2438	for (i = 0; i < 10; i++) {
2439		generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2440					     &ctx->test_desc->suite.aead,
2441					     ctx->maxkeysize, ctx->maxdatasize,
2442					     ctx->vec_name,
2443					     sizeof(ctx->vec_name), true);
2444		if (ctx->vec.novrfy)
2445			return;
2446	}
2447}
2448
2449/*
2450 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2451 * result of an encryption with the key) and verify that decryption fails.
2452 */
2453static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2454{
2455	unsigned int i;
2456	int err;
2457
2458	for (i = 0; i < fuzz_iterations * 8; i++) {
2459		/*
2460		 * Since this part of the tests isn't comparing the
2461		 * implementation to another, there's no point in testing any
2462		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2463		 *
2464		 * If we're having trouble generating such a test vector, e.g.
2465		 * if the algorithm keeps rejecting the generated keys, don't
2466		 * retry forever; just continue on.
2467		 */
2468		try_to_generate_inauthentic_testvec(ctx);
2469		if (ctx->vec.novrfy) {
2470			generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2471						       ctx->cfgname,
2472						       sizeof(ctx->cfgname));
2473			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2474						ctx->vec_name, &ctx->cfg,
2475						ctx->req, ctx->tsgls);
2476			if (err)
2477				return err;
2478		}
2479		cond_resched();
2480	}
2481	return 0;
2482}
2483
2484/*
2485 * Test the AEAD algorithm against the corresponding generic implementation, if
2486 * one is available.
2487 */
2488static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2489{
2490	struct crypto_aead *tfm = ctx->tfm;
2491	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2492	const char *driver = crypto_aead_driver_name(tfm);
2493	const char *generic_driver = ctx->test_desc->generic_driver;
2494	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2495	struct crypto_aead *generic_tfm = NULL;
2496	struct aead_request *generic_req = NULL;
2497	unsigned int i;
2498	int err;
2499
2500	if (!generic_driver) { /* Use default naming convention? */
2501		err = build_generic_driver_name(algname, _generic_driver);
2502		if (err)
2503			return err;
2504		generic_driver = _generic_driver;
2505	}
2506
2507	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2508		return 0;
2509
2510	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2511	if (IS_ERR(generic_tfm)) {
2512		err = PTR_ERR(generic_tfm);
2513		if (err == -ENOENT) {
2514			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2515				driver, generic_driver);
2516			return 0;
2517		}
2518		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2519		       generic_driver, algname, err);
2520		return err;
2521	}
2522
2523	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2524	if (!generic_req) {
2525		err = -ENOMEM;
2526		goto out;
2527	}
2528
2529	/* Check the algorithm properties for consistency. */
2530
2531	if (crypto_aead_maxauthsize(tfm) !=
2532	    crypto_aead_maxauthsize(generic_tfm)) {
2533		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2534		       driver, crypto_aead_maxauthsize(tfm),
2535		       crypto_aead_maxauthsize(generic_tfm));
2536		err = -EINVAL;
2537		goto out;
2538	}
2539
2540	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2541		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2542		       driver, crypto_aead_ivsize(tfm),
2543		       crypto_aead_ivsize(generic_tfm));
2544		err = -EINVAL;
2545		goto out;
2546	}
2547
2548	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2549		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2550		       driver, crypto_aead_blocksize(tfm),
2551		       crypto_aead_blocksize(generic_tfm));
2552		err = -EINVAL;
2553		goto out;
2554	}
2555
2556	/*
2557	 * Now generate test vectors using the generic implementation, and test
2558	 * the other implementation against them.
2559	 */
2560	for (i = 0; i < fuzz_iterations * 8; i++) {
2561		generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2562					     &ctx->test_desc->suite.aead,
2563					     ctx->maxkeysize, ctx->maxdatasize,
2564					     ctx->vec_name,
2565					     sizeof(ctx->vec_name), false);
2566		generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2567					       ctx->cfgname,
2568					       sizeof(ctx->cfgname));
2569		if (!ctx->vec.novrfy) {
2570			err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2571						ctx->vec_name, &ctx->cfg,
2572						ctx->req, ctx->tsgls);
2573			if (err)
2574				goto out;
2575		}
2576		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2577			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2578						ctx->vec_name, &ctx->cfg,
2579						ctx->req, ctx->tsgls);
2580			if (err)
2581				goto out;
2582		}
2583		cond_resched();
2584	}
2585	err = 0;
2586out:
2587	crypto_free_aead(generic_tfm);
2588	aead_request_free(generic_req);
2589	return err;
2590}
2591
2592static int test_aead_extra(const struct alg_test_desc *test_desc,
2593			   struct aead_request *req,
2594			   struct cipher_test_sglists *tsgls)
2595{
2596	struct aead_extra_tests_ctx *ctx;
2597	unsigned int i;
2598	int err;
2599
2600	if (noextratests)
2601		return 0;
2602
2603	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2604	if (!ctx)
2605		return -ENOMEM;
2606	init_rnd_state(&ctx->rng);
2607	ctx->req = req;
2608	ctx->tfm = crypto_aead_reqtfm(req);
2609	ctx->test_desc = test_desc;
2610	ctx->tsgls = tsgls;
2611	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2612	ctx->maxkeysize = 0;
2613	for (i = 0; i < test_desc->suite.aead.count; i++)
2614		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2615					test_desc->suite.aead.vecs[i].klen);
2616
2617	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2618	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2619	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2620	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2621	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2622	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2623	    !ctx->vec.ptext || !ctx->vec.ctext) {
2624		err = -ENOMEM;
2625		goto out;
2626	}
2627
2628	err = test_aead_vs_generic_impl(ctx);
2629	if (err)
2630		goto out;
2631
2632	err = test_aead_inauthentic_inputs(ctx);
2633out:
2634	kfree(ctx->vec.key);
2635	kfree(ctx->vec.iv);
2636	kfree(ctx->vec.assoc);
2637	kfree(ctx->vec.ptext);
2638	kfree(ctx->vec.ctext);
2639	kfree(ctx);
2640	return err;
2641}
2642#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2643static int test_aead_extra(const struct alg_test_desc *test_desc,
2644			   struct aead_request *req,
2645			   struct cipher_test_sglists *tsgls)
2646{
2647	return 0;
2648}
2649#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2650
2651static int test_aead(int enc, const struct aead_test_suite *suite,
2652		     struct aead_request *req,
2653		     struct cipher_test_sglists *tsgls)
2654{
2655	unsigned int i;
2656	int err;
2657
2658	for (i = 0; i < suite->count; i++) {
2659		err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2660		if (err)
2661			return err;
2662		cond_resched();
2663	}
2664	return 0;
2665}
2666
2667static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2668			 u32 type, u32 mask)
2669{
2670	const struct aead_test_suite *suite = &desc->suite.aead;
2671	struct crypto_aead *tfm;
2672	struct aead_request *req = NULL;
2673	struct cipher_test_sglists *tsgls = NULL;
2674	int err;
2675
2676	if (suite->count <= 0) {
2677		pr_err("alg: aead: empty test suite for %s\n", driver);
2678		return -EINVAL;
2679	}
2680
2681	tfm = crypto_alloc_aead(driver, type, mask);
2682	if (IS_ERR(tfm)) {
2683		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2684		       driver, PTR_ERR(tfm));
2685		return PTR_ERR(tfm);
2686	}
2687	driver = crypto_aead_driver_name(tfm);
2688
2689	req = aead_request_alloc(tfm, GFP_KERNEL);
2690	if (!req) {
2691		pr_err("alg: aead: failed to allocate request for %s\n",
2692		       driver);
2693		err = -ENOMEM;
2694		goto out;
2695	}
2696
2697	tsgls = alloc_cipher_test_sglists();
2698	if (!tsgls) {
2699		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2700		       driver);
2701		err = -ENOMEM;
2702		goto out;
2703	}
2704
2705	err = test_aead(ENCRYPT, suite, req, tsgls);
2706	if (err)
2707		goto out;
2708
2709	err = test_aead(DECRYPT, suite, req, tsgls);
2710	if (err)
2711		goto out;
2712
2713	err = test_aead_extra(desc, req, tsgls);
2714out:
2715	free_cipher_test_sglists(tsgls);
2716	aead_request_free(req);
2717	crypto_free_aead(tfm);
2718	return err;
2719}
2720
2721static int test_cipher(struct crypto_cipher *tfm, int enc,
2722		       const struct cipher_testvec *template,
2723		       unsigned int tcount)
2724{
2725	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2726	unsigned int i, j, k;
2727	char *q;
2728	const char *e;
2729	const char *input, *result;
2730	void *data;
2731	char *xbuf[XBUFSIZE];
2732	int ret = -ENOMEM;
2733
2734	if (testmgr_alloc_buf(xbuf))
2735		goto out_nobuf;
2736
2737	if (enc == ENCRYPT)
2738	        e = "encryption";
2739	else
2740		e = "decryption";
2741
2742	j = 0;
2743	for (i = 0; i < tcount; i++) {
2744
2745		if (fips_enabled && template[i].fips_skip)
2746			continue;
2747
2748		input  = enc ? template[i].ptext : template[i].ctext;
2749		result = enc ? template[i].ctext : template[i].ptext;
2750		j++;
2751
2752		ret = -EINVAL;
2753		if (WARN_ON(template[i].len > PAGE_SIZE))
2754			goto out;
2755
2756		data = xbuf[0];
2757		memcpy(data, input, template[i].len);
2758
2759		crypto_cipher_clear_flags(tfm, ~0);
2760		if (template[i].wk)
2761			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2762
2763		ret = crypto_cipher_setkey(tfm, template[i].key,
2764					   template[i].klen);
2765		if (ret) {
2766			if (ret == template[i].setkey_error)
2767				continue;
2768			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2769			       algo, j, template[i].setkey_error, ret,
2770			       crypto_cipher_get_flags(tfm));
2771			goto out;
2772		}
2773		if (template[i].setkey_error) {
2774			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2775			       algo, j, template[i].setkey_error);
2776			ret = -EINVAL;
2777			goto out;
2778		}
2779
2780		for (k = 0; k < template[i].len;
2781		     k += crypto_cipher_blocksize(tfm)) {
2782			if (enc)
2783				crypto_cipher_encrypt_one(tfm, data + k,
2784							  data + k);
2785			else
2786				crypto_cipher_decrypt_one(tfm, data + k,
2787							  data + k);
2788		}
2789
2790		q = data;
2791		if (memcmp(q, result, template[i].len)) {
2792			printk(KERN_ERR "alg: cipher: Test %d failed "
2793			       "on %s for %s\n", j, e, algo);
2794			hexdump(q, template[i].len);
2795			ret = -EINVAL;
2796			goto out;
2797		}
2798	}
2799
2800	ret = 0;
2801
2802out:
2803	testmgr_free_buf(xbuf);
2804out_nobuf:
2805	return ret;
2806}
2807
2808static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2809				 const char *vec_name,
2810				 const struct testvec_config *cfg,
2811				 struct skcipher_request *req,
2812				 struct cipher_test_sglists *tsgls)
2813{
2814	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2815	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2816	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2817	const char *driver = crypto_skcipher_driver_name(tfm);
2818	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2819	const char *op = enc ? "encryption" : "decryption";
2820	DECLARE_CRYPTO_WAIT(wait);
2821	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2822	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2823		 cfg->iv_offset +
2824		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2825	struct kvec input;
2826	int err;
2827
2828	/* Set the key */
2829	if (vec->wk)
2830		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2831	else
2832		crypto_skcipher_clear_flags(tfm,
2833					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2834	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2835			cfg, alignmask);
2836	if (err) {
2837		if (err == vec->setkey_error)
2838			return 0;
2839		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2840		       driver, vec_name, vec->setkey_error, err,
2841		       crypto_skcipher_get_flags(tfm));
2842		return err;
2843	}
2844	if (vec->setkey_error) {
2845		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2846		       driver, vec_name, vec->setkey_error);
2847		return -EINVAL;
2848	}
2849
2850	/* The IV must be copied to a buffer, as the algorithm may modify it */
2851	if (ivsize) {
2852		if (WARN_ON(ivsize > MAX_IVLEN))
2853			return -EINVAL;
2854		if (vec->generates_iv && !enc)
2855			memcpy(iv, vec->iv_out, ivsize);
2856		else if (vec->iv)
2857			memcpy(iv, vec->iv, ivsize);
2858		else
2859			memset(iv, 0, ivsize);
2860	} else {
2861		if (vec->generates_iv) {
2862			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2863			       driver, vec_name);
2864			return -EINVAL;
2865		}
2866		iv = NULL;
2867	}
2868
2869	/* Build the src/dst scatterlists */
2870	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2871	input.iov_len = vec->len;
2872	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2873					vec->len, vec->len, &input, 1);
2874	if (err) {
2875		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2876		       driver, op, vec_name, cfg->name);
2877		return err;
2878	}
2879
2880	/* Do the actual encryption or decryption */
2881	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2882	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2883	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2884				   vec->len, iv);
2885	if (cfg->nosimd)
2886		crypto_disable_simd_for_test();
2887	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2888	if (cfg->nosimd)
2889		crypto_reenable_simd_for_test();
2890	err = crypto_wait_req(err, &wait);
2891
2892	/* Check that the algorithm didn't overwrite things it shouldn't have */
2893	if (req->cryptlen != vec->len ||
2894	    req->iv != iv ||
2895	    req->src != tsgls->src.sgl_ptr ||
2896	    req->dst != tsgls->dst.sgl_ptr ||
2897	    crypto_skcipher_reqtfm(req) != tfm ||
2898	    req->base.complete != crypto_req_done ||
2899	    req->base.flags != req_flags ||
2900	    req->base.data != &wait) {
2901		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2902		       driver, op, vec_name, cfg->name);
2903		if (req->cryptlen != vec->len)
2904			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2905		if (req->iv != iv)
2906			pr_err("alg: skcipher: changed 'req->iv'\n");
2907		if (req->src != tsgls->src.sgl_ptr)
2908			pr_err("alg: skcipher: changed 'req->src'\n");
2909		if (req->dst != tsgls->dst.sgl_ptr)
2910			pr_err("alg: skcipher: changed 'req->dst'\n");
2911		if (crypto_skcipher_reqtfm(req) != tfm)
2912			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2913		if (req->base.complete != crypto_req_done)
2914			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2915		if (req->base.flags != req_flags)
2916			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2917		if (req->base.data != &wait)
2918			pr_err("alg: skcipher: changed 'req->base.data'\n");
2919		return -EINVAL;
2920	}
2921	if (is_test_sglist_corrupted(&tsgls->src)) {
2922		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2923		       driver, op, vec_name, cfg->name);
2924		return -EINVAL;
2925	}
2926	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2927	    is_test_sglist_corrupted(&tsgls->dst)) {
2928		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2929		       driver, op, vec_name, cfg->name);
2930		return -EINVAL;
2931	}
2932
2933	/* Check for success or failure */
2934	if (err) {
2935		if (err == vec->crypt_error)
2936			return 0;
2937		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2938		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2939		return err;
2940	}
2941	if (vec->crypt_error) {
2942		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2943		       driver, op, vec_name, vec->crypt_error, cfg->name);
2944		return -EINVAL;
2945	}
2946
2947	/* Check for the correct output (ciphertext or plaintext) */
2948	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2949				    vec->len, 0, true);
2950	if (err == -EOVERFLOW) {
2951		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2952		       driver, op, vec_name, cfg->name);
2953		return err;
2954	}
2955	if (err) {
2956		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2957		       driver, op, vec_name, cfg->name);
2958		return err;
2959	}
2960
2961	/* If applicable, check that the algorithm generated the correct IV */
2962	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2963		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2964		       driver, op, vec_name, cfg->name);
2965		hexdump(iv, ivsize);
2966		return -EINVAL;
2967	}
2968
2969	return 0;
2970}
2971
2972static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2973			     unsigned int vec_num,
2974			     struct skcipher_request *req,
2975			     struct cipher_test_sglists *tsgls)
2976{
2977	char vec_name[16];
2978	unsigned int i;
2979	int err;
2980
2981	if (fips_enabled && vec->fips_skip)
2982		return 0;
2983
2984	sprintf(vec_name, "%u", vec_num);
2985
2986	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2987		err = test_skcipher_vec_cfg(enc, vec, vec_name,
2988					    &default_cipher_testvec_configs[i],
2989					    req, tsgls);
2990		if (err)
2991			return err;
2992	}
2993
2994#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2995	if (!noextratests) {
2996		struct rnd_state rng;
2997		struct testvec_config cfg;
2998		char cfgname[TESTVEC_CONFIG_NAMELEN];
2999
3000		init_rnd_state(&rng);
3001
3002		for (i = 0; i < fuzz_iterations; i++) {
3003			generate_random_testvec_config(&rng, &cfg, cfgname,
3004						       sizeof(cfgname));
3005			err = test_skcipher_vec_cfg(enc, vec, vec_name,
3006						    &cfg, req, tsgls);
3007			if (err)
3008				return err;
3009			cond_resched();
3010		}
3011	}
3012#endif
3013	return 0;
3014}
3015
3016#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3017/*
3018 * Generate a symmetric cipher test vector from the given implementation.
3019 * Assumes the buffers in 'vec' were already allocated.
3020 */
3021static void generate_random_cipher_testvec(struct rnd_state *rng,
3022					   struct skcipher_request *req,
3023					   struct cipher_testvec *vec,
3024					   unsigned int maxdatasize,
3025					   char *name, size_t max_namelen)
3026{
3027	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3028	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3029	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3030	struct scatterlist src, dst;
3031	u8 iv[MAX_IVLEN];
3032	DECLARE_CRYPTO_WAIT(wait);
3033
3034	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3035	vec->klen = maxkeysize;
3036	if (prandom_u32_below(rng, 4) == 0)
3037		vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3038	generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3039	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3040
3041	/* IV */
3042	generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3043
3044	/* Plaintext */
3045	vec->len = generate_random_length(rng, maxdatasize);
3046	generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3047
3048	/* If the key couldn't be set, no need to continue to encrypt. */
3049	if (vec->setkey_error)
3050		goto done;
3051
3052	/* Ciphertext */
3053	sg_init_one(&src, vec->ptext, vec->len);
3054	sg_init_one(&dst, vec->ctext, vec->len);
3055	memcpy(iv, vec->iv, ivsize);
3056	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3057	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3058	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3059	if (vec->crypt_error != 0) {
3060		/*
3061		 * The only acceptable error here is for an invalid length, so
3062		 * skcipher decryption should fail with the same error too.
3063		 * We'll test for this.  But to keep the API usage well-defined,
3064		 * explicitly initialize the ciphertext buffer too.
3065		 */
3066		memset((u8 *)vec->ctext, 0, vec->len);
3067	}
3068done:
3069	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3070		 vec->len, vec->klen);
3071}
3072
3073/*
3074 * Test the skcipher algorithm represented by @req against the corresponding
3075 * generic implementation, if one is available.
3076 */
3077static int test_skcipher_vs_generic_impl(const char *generic_driver,
3078					 struct skcipher_request *req,
3079					 struct cipher_test_sglists *tsgls)
3080{
3081	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3082	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3083	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3084	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3085	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3086	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3087	const char *driver = crypto_skcipher_driver_name(tfm);
3088	struct rnd_state rng;
3089	char _generic_driver[CRYPTO_MAX_ALG_NAME];
3090	struct crypto_skcipher *generic_tfm = NULL;
3091	struct skcipher_request *generic_req = NULL;
3092	unsigned int i;
3093	struct cipher_testvec vec = { 0 };
3094	char vec_name[64];
3095	struct testvec_config *cfg;
3096	char cfgname[TESTVEC_CONFIG_NAMELEN];
3097	int err;
3098
3099	if (noextratests)
3100		return 0;
3101
3102	/* Keywrap isn't supported here yet as it handles its IV differently. */
3103	if (strncmp(algname, "kw(", 3) == 0)
3104		return 0;
3105
3106	init_rnd_state(&rng);
3107
3108	if (!generic_driver) { /* Use default naming convention? */
3109		err = build_generic_driver_name(algname, _generic_driver);
3110		if (err)
3111			return err;
3112		generic_driver = _generic_driver;
3113	}
3114
3115	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3116		return 0;
3117
3118	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3119	if (IS_ERR(generic_tfm)) {
3120		err = PTR_ERR(generic_tfm);
3121		if (err == -ENOENT) {
3122			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3123				driver, generic_driver);
3124			return 0;
3125		}
3126		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3127		       generic_driver, algname, err);
3128		return err;
3129	}
3130
3131	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3132	if (!cfg) {
3133		err = -ENOMEM;
3134		goto out;
3135	}
3136
3137	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3138	if (!generic_req) {
3139		err = -ENOMEM;
3140		goto out;
3141	}
3142
3143	/* Check the algorithm properties for consistency. */
3144
3145	if (crypto_skcipher_min_keysize(tfm) !=
3146	    crypto_skcipher_min_keysize(generic_tfm)) {
3147		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3148		       driver, crypto_skcipher_min_keysize(tfm),
3149		       crypto_skcipher_min_keysize(generic_tfm));
3150		err = -EINVAL;
3151		goto out;
3152	}
3153
3154	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3155		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3156		       driver, maxkeysize,
3157		       crypto_skcipher_max_keysize(generic_tfm));
3158		err = -EINVAL;
3159		goto out;
3160	}
3161
3162	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3163		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3164		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3165		err = -EINVAL;
3166		goto out;
3167	}
3168
3169	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3170		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3171		       driver, blocksize,
3172		       crypto_skcipher_blocksize(generic_tfm));
3173		err = -EINVAL;
3174		goto out;
3175	}
3176
3177	/*
3178	 * Now generate test vectors using the generic implementation, and test
3179	 * the other implementation against them.
3180	 */
3181
3182	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3183	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3184	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3185	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3186	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3187		err = -ENOMEM;
3188		goto out;
3189	}
3190
3191	for (i = 0; i < fuzz_iterations * 8; i++) {
3192		generate_random_cipher_testvec(&rng, generic_req, &vec,
3193					       maxdatasize,
3194					       vec_name, sizeof(vec_name));
3195		generate_random_testvec_config(&rng, cfg, cfgname,
3196					       sizeof(cfgname));
3197
3198		err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3199					    cfg, req, tsgls);
3200		if (err)
3201			goto out;
3202		err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3203					    cfg, req, tsgls);
3204		if (err)
3205			goto out;
3206		cond_resched();
3207	}
3208	err = 0;
3209out:
3210	kfree(cfg);
3211	kfree(vec.key);
3212	kfree(vec.iv);
3213	kfree(vec.ptext);
3214	kfree(vec.ctext);
3215	crypto_free_skcipher(generic_tfm);
3216	skcipher_request_free(generic_req);
3217	return err;
3218}
3219#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3220static int test_skcipher_vs_generic_impl(const char *generic_driver,
3221					 struct skcipher_request *req,
3222					 struct cipher_test_sglists *tsgls)
3223{
3224	return 0;
3225}
3226#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3227
3228static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3229			 struct skcipher_request *req,
3230			 struct cipher_test_sglists *tsgls)
3231{
3232	unsigned int i;
3233	int err;
3234
3235	for (i = 0; i < suite->count; i++) {
3236		err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3237		if (err)
3238			return err;
3239		cond_resched();
3240	}
3241	return 0;
3242}
3243
3244static int alg_test_skcipher(const struct alg_test_desc *desc,
3245			     const char *driver, u32 type, u32 mask)
3246{
3247	const struct cipher_test_suite *suite = &desc->suite.cipher;
3248	struct crypto_skcipher *tfm;
3249	struct skcipher_request *req = NULL;
3250	struct cipher_test_sglists *tsgls = NULL;
3251	int err;
3252
3253	if (suite->count <= 0) {
3254		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3255		return -EINVAL;
3256	}
3257
3258	tfm = crypto_alloc_skcipher(driver, type, mask);
3259	if (IS_ERR(tfm)) {
3260		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3261		       driver, PTR_ERR(tfm));
3262		return PTR_ERR(tfm);
3263	}
3264	driver = crypto_skcipher_driver_name(tfm);
3265
3266	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3267	if (!req) {
3268		pr_err("alg: skcipher: failed to allocate request for %s\n",
3269		       driver);
3270		err = -ENOMEM;
3271		goto out;
3272	}
3273
3274	tsgls = alloc_cipher_test_sglists();
3275	if (!tsgls) {
3276		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3277		       driver);
3278		err = -ENOMEM;
3279		goto out;
3280	}
3281
3282	err = test_skcipher(ENCRYPT, suite, req, tsgls);
3283	if (err)
3284		goto out;
3285
3286	err = test_skcipher(DECRYPT, suite, req, tsgls);
3287	if (err)
3288		goto out;
3289
3290	err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3291out:
3292	free_cipher_test_sglists(tsgls);
3293	skcipher_request_free(req);
3294	crypto_free_skcipher(tfm);
3295	return err;
3296}
3297
3298static int test_comp(struct crypto_comp *tfm,
3299		     const struct comp_testvec *ctemplate,
3300		     const struct comp_testvec *dtemplate,
3301		     int ctcount, int dtcount)
3302{
3303	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3304	char *output, *decomp_output;
3305	unsigned int i;
3306	int ret;
3307
3308	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3309	if (!output)
3310		return -ENOMEM;
3311
3312	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3313	if (!decomp_output) {
3314		kfree(output);
3315		return -ENOMEM;
3316	}
3317
3318	for (i = 0; i < ctcount; i++) {
3319		int ilen;
3320		unsigned int dlen = COMP_BUF_SIZE;
3321
3322		memset(output, 0, COMP_BUF_SIZE);
3323		memset(decomp_output, 0, COMP_BUF_SIZE);
3324
3325		ilen = ctemplate[i].inlen;
3326		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3327					   ilen, output, &dlen);
3328		if (ret) {
3329			printk(KERN_ERR "alg: comp: compression failed "
3330			       "on test %d for %s: ret=%d\n", i + 1, algo,
3331			       -ret);
3332			goto out;
3333		}
3334
3335		ilen = dlen;
3336		dlen = COMP_BUF_SIZE;
3337		ret = crypto_comp_decompress(tfm, output,
3338					     ilen, decomp_output, &dlen);
3339		if (ret) {
3340			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3341			       i + 1, algo, -ret);
3342			goto out;
3343		}
3344
3345		if (dlen != ctemplate[i].inlen) {
3346			printk(KERN_ERR "alg: comp: Compression test %d "
3347			       "failed for %s: output len = %d\n", i + 1, algo,
3348			       dlen);
3349			ret = -EINVAL;
3350			goto out;
3351		}
3352
3353		if (memcmp(decomp_output, ctemplate[i].input,
3354			   ctemplate[i].inlen)) {
3355			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3356			       i + 1, algo);
3357			hexdump(decomp_output, dlen);
3358			ret = -EINVAL;
3359			goto out;
3360		}
3361	}
3362
3363	for (i = 0; i < dtcount; i++) {
3364		int ilen;
3365		unsigned int dlen = COMP_BUF_SIZE;
3366
3367		memset(decomp_output, 0, COMP_BUF_SIZE);
3368
3369		ilen = dtemplate[i].inlen;
3370		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3371					     ilen, decomp_output, &dlen);
3372		if (ret) {
3373			printk(KERN_ERR "alg: comp: decompression failed "
3374			       "on test %d for %s: ret=%d\n", i + 1, algo,
3375			       -ret);
3376			goto out;
3377		}
3378
3379		if (dlen != dtemplate[i].outlen) {
3380			printk(KERN_ERR "alg: comp: Decompression test %d "
3381			       "failed for %s: output len = %d\n", i + 1, algo,
3382			       dlen);
3383			ret = -EINVAL;
3384			goto out;
3385		}
3386
3387		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3388			printk(KERN_ERR "alg: comp: Decompression test %d "
3389			       "failed for %s\n", i + 1, algo);
3390			hexdump(decomp_output, dlen);
3391			ret = -EINVAL;
3392			goto out;
3393		}
3394	}
3395
3396	ret = 0;
3397
3398out:
3399	kfree(decomp_output);
3400	kfree(output);
3401	return ret;
3402}
3403
3404static int test_acomp(struct crypto_acomp *tfm,
3405		      const struct comp_testvec *ctemplate,
3406		      const struct comp_testvec *dtemplate,
3407		      int ctcount, int dtcount)
3408{
3409	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3410	unsigned int i;
3411	char *output, *decomp_out;
3412	int ret;
3413	struct scatterlist src, dst;
3414	struct acomp_req *req;
3415	struct crypto_wait wait;
3416
3417	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3418	if (!output)
3419		return -ENOMEM;
3420
3421	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3422	if (!decomp_out) {
3423		kfree(output);
3424		return -ENOMEM;
3425	}
3426
3427	for (i = 0; i < ctcount; i++) {
3428		unsigned int dlen = COMP_BUF_SIZE;
3429		int ilen = ctemplate[i].inlen;
3430		void *input_vec;
3431
3432		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3433		if (!input_vec) {
3434			ret = -ENOMEM;
3435			goto out;
3436		}
3437
3438		memset(output, 0, dlen);
3439		crypto_init_wait(&wait);
3440		sg_init_one(&src, input_vec, ilen);
3441		sg_init_one(&dst, output, dlen);
3442
3443		req = acomp_request_alloc(tfm);
3444		if (!req) {
3445			pr_err("alg: acomp: request alloc failed for %s\n",
3446			       algo);
3447			kfree(input_vec);
3448			ret = -ENOMEM;
3449			goto out;
3450		}
3451
3452		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3453		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3454					   crypto_req_done, &wait);
3455
3456		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3457		if (ret) {
3458			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3459			       i + 1, algo, -ret);
3460			kfree(input_vec);
3461			acomp_request_free(req);
3462			goto out;
3463		}
3464
3465		ilen = req->dlen;
3466		dlen = COMP_BUF_SIZE;
3467		sg_init_one(&src, output, ilen);
3468		sg_init_one(&dst, decomp_out, dlen);
3469		crypto_init_wait(&wait);
3470		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3471
3472		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3473		if (ret) {
3474			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3475			       i + 1, algo, -ret);
3476			kfree(input_vec);
3477			acomp_request_free(req);
3478			goto out;
3479		}
3480
3481		if (req->dlen != ctemplate[i].inlen) {
3482			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3483			       i + 1, algo, req->dlen);
3484			ret = -EINVAL;
3485			kfree(input_vec);
3486			acomp_request_free(req);
3487			goto out;
3488		}
3489
3490		if (memcmp(input_vec, decomp_out, req->dlen)) {
3491			pr_err("alg: acomp: Compression test %d failed for %s\n",
3492			       i + 1, algo);
3493			hexdump(output, req->dlen);
3494			ret = -EINVAL;
3495			kfree(input_vec);
3496			acomp_request_free(req);
3497			goto out;
3498		}
3499
3500#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3501		crypto_init_wait(&wait);
3502		sg_init_one(&src, input_vec, ilen);
3503		acomp_request_set_params(req, &src, NULL, ilen, 0);
3504
3505		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3506		if (ret) {
3507			pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3508			       i + 1, algo, -ret);
3509			kfree(input_vec);
3510			acomp_request_free(req);
3511			goto out;
3512		}
3513#endif
3514
3515		kfree(input_vec);
3516		acomp_request_free(req);
3517	}
3518
3519	for (i = 0; i < dtcount; i++) {
3520		unsigned int dlen = COMP_BUF_SIZE;
3521		int ilen = dtemplate[i].inlen;
3522		void *input_vec;
3523
3524		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3525		if (!input_vec) {
3526			ret = -ENOMEM;
3527			goto out;
3528		}
3529
3530		memset(output, 0, dlen);
3531		crypto_init_wait(&wait);
3532		sg_init_one(&src, input_vec, ilen);
3533		sg_init_one(&dst, output, dlen);
3534
3535		req = acomp_request_alloc(tfm);
3536		if (!req) {
3537			pr_err("alg: acomp: request alloc failed for %s\n",
3538			       algo);
3539			kfree(input_vec);
3540			ret = -ENOMEM;
3541			goto out;
3542		}
3543
3544		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3545		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3546					   crypto_req_done, &wait);
3547
3548		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3549		if (ret) {
3550			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3551			       i + 1, algo, -ret);
3552			kfree(input_vec);
3553			acomp_request_free(req);
3554			goto out;
3555		}
3556
3557		if (req->dlen != dtemplate[i].outlen) {
3558			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3559			       i + 1, algo, req->dlen);
3560			ret = -EINVAL;
3561			kfree(input_vec);
3562			acomp_request_free(req);
3563			goto out;
3564		}
3565
3566		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3567			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3568			       i + 1, algo);
3569			hexdump(output, req->dlen);
3570			ret = -EINVAL;
3571			kfree(input_vec);
3572			acomp_request_free(req);
3573			goto out;
3574		}
3575
3576#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3577		crypto_init_wait(&wait);
3578		acomp_request_set_params(req, &src, NULL, ilen, 0);
3579
3580		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3581		if (ret) {
3582			pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3583			       i + 1, algo, -ret);
3584			kfree(input_vec);
3585			acomp_request_free(req);
3586			goto out;
3587		}
3588#endif
3589
3590		kfree(input_vec);
3591		acomp_request_free(req);
3592	}
3593
3594	ret = 0;
3595
3596out:
3597	kfree(decomp_out);
3598	kfree(output);
3599	return ret;
3600}
3601
3602static int test_cprng(struct crypto_rng *tfm,
3603		      const struct cprng_testvec *template,
3604		      unsigned int tcount)
3605{
3606	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3607	int err = 0, i, j, seedsize;
3608	u8 *seed;
3609	char result[32];
3610
3611	seedsize = crypto_rng_seedsize(tfm);
3612
3613	seed = kmalloc(seedsize, GFP_KERNEL);
3614	if (!seed) {
3615		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3616		       "for %s\n", algo);
3617		return -ENOMEM;
3618	}
3619
3620	for (i = 0; i < tcount; i++) {
3621		memset(result, 0, 32);
3622
3623		memcpy(seed, template[i].v, template[i].vlen);
3624		memcpy(seed + template[i].vlen, template[i].key,
3625		       template[i].klen);
3626		memcpy(seed + template[i].vlen + template[i].klen,
3627		       template[i].dt, template[i].dtlen);
3628
3629		err = crypto_rng_reset(tfm, seed, seedsize);
3630		if (err) {
3631			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3632			       "for %s\n", algo);
3633			goto out;
3634		}
3635
3636		for (j = 0; j < template[i].loops; j++) {
3637			err = crypto_rng_get_bytes(tfm, result,
3638						   template[i].rlen);
3639			if (err < 0) {
3640				printk(KERN_ERR "alg: cprng: Failed to obtain "
3641				       "the correct amount of random data for "
3642				       "%s (requested %d)\n", algo,
3643				       template[i].rlen);
3644				goto out;
3645			}
3646		}
3647
3648		err = memcmp(result, template[i].result,
3649			     template[i].rlen);
3650		if (err) {
3651			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3652			       i, algo);
3653			hexdump(result, template[i].rlen);
3654			err = -EINVAL;
3655			goto out;
3656		}
3657	}
3658
3659out:
3660	kfree(seed);
3661	return err;
3662}
3663
3664static int alg_test_cipher(const struct alg_test_desc *desc,
3665			   const char *driver, u32 type, u32 mask)
3666{
3667	const struct cipher_test_suite *suite = &desc->suite.cipher;
3668	struct crypto_cipher *tfm;
3669	int err;
3670
3671	tfm = crypto_alloc_cipher(driver, type, mask);
3672	if (IS_ERR(tfm)) {
3673		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3674		       "%s: %ld\n", driver, PTR_ERR(tfm));
3675		return PTR_ERR(tfm);
3676	}
3677
3678	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3679	if (!err)
3680		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3681
3682	crypto_free_cipher(tfm);
3683	return err;
3684}
3685
3686static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3687			 u32 type, u32 mask)
3688{
3689	struct crypto_comp *comp;
3690	struct crypto_acomp *acomp;
3691	int err;
3692	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3693
3694	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3695		acomp = crypto_alloc_acomp(driver, type, mask);
3696		if (IS_ERR(acomp)) {
3697			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3698			       driver, PTR_ERR(acomp));
3699			return PTR_ERR(acomp);
3700		}
3701		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3702				 desc->suite.comp.decomp.vecs,
3703				 desc->suite.comp.comp.count,
3704				 desc->suite.comp.decomp.count);
3705		crypto_free_acomp(acomp);
3706	} else {
3707		comp = crypto_alloc_comp(driver, type, mask);
3708		if (IS_ERR(comp)) {
3709			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3710			       driver, PTR_ERR(comp));
3711			return PTR_ERR(comp);
3712		}
3713
3714		err = test_comp(comp, desc->suite.comp.comp.vecs,
3715				desc->suite.comp.decomp.vecs,
3716				desc->suite.comp.comp.count,
3717				desc->suite.comp.decomp.count);
3718
3719		crypto_free_comp(comp);
3720	}
3721	return err;
3722}
3723
3724static int alg_test_crc32c(const struct alg_test_desc *desc,
3725			   const char *driver, u32 type, u32 mask)
3726{
3727	struct crypto_shash *tfm;
3728	__le32 val;
3729	int err;
3730
3731	err = alg_test_hash(desc, driver, type, mask);
3732	if (err)
3733		return err;
3734
3735	tfm = crypto_alloc_shash(driver, type, mask);
3736	if (IS_ERR(tfm)) {
3737		if (PTR_ERR(tfm) == -ENOENT) {
3738			/*
3739			 * This crc32c implementation is only available through
3740			 * ahash API, not the shash API, so the remaining part
3741			 * of the test is not applicable to it.
3742			 */
3743			return 0;
3744		}
3745		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3746		       "%ld\n", driver, PTR_ERR(tfm));
3747		return PTR_ERR(tfm);
3748	}
3749	driver = crypto_shash_driver_name(tfm);
3750
3751	do {
3752		SHASH_DESC_ON_STACK(shash, tfm);
3753		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3754
3755		shash->tfm = tfm;
3756
3757		*ctx = 420553207;
3758		err = crypto_shash_final(shash, (u8 *)&val);
3759		if (err) {
3760			printk(KERN_ERR "alg: crc32c: Operation failed for "
3761			       "%s: %d\n", driver, err);
3762			break;
3763		}
3764
3765		if (val != cpu_to_le32(~420553207)) {
3766			pr_err("alg: crc32c: Test failed for %s: %u\n",
3767			       driver, le32_to_cpu(val));
3768			err = -EINVAL;
3769		}
3770	} while (0);
3771
3772	crypto_free_shash(tfm);
3773
3774	return err;
3775}
3776
3777static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3778			  u32 type, u32 mask)
3779{
3780	struct crypto_rng *rng;
3781	int err;
3782
3783	rng = crypto_alloc_rng(driver, type, mask);
3784	if (IS_ERR(rng)) {
3785		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3786		       "%ld\n", driver, PTR_ERR(rng));
3787		return PTR_ERR(rng);
3788	}
3789
3790	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3791
3792	crypto_free_rng(rng);
3793
3794	return err;
3795}
3796
3797
3798static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3799			  const char *driver, u32 type, u32 mask)
3800{
3801	int ret = -EAGAIN;
3802	struct crypto_rng *drng;
3803	struct drbg_test_data test_data;
3804	struct drbg_string addtl, pers, testentropy;
3805	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3806
3807	if (!buf)
3808		return -ENOMEM;
3809
3810	drng = crypto_alloc_rng(driver, type, mask);
3811	if (IS_ERR(drng)) {
3812		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3813		       "%s\n", driver);
3814		kfree_sensitive(buf);
3815		return -ENOMEM;
3816	}
3817
3818	test_data.testentropy = &testentropy;
3819	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3820	drbg_string_fill(&pers, test->pers, test->perslen);
3821	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3822	if (ret) {
3823		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3824		goto outbuf;
3825	}
3826
3827	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3828	if (pr) {
3829		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3830		ret = crypto_drbg_get_bytes_addtl_test(drng,
3831			buf, test->expectedlen, &addtl,	&test_data);
3832	} else {
3833		ret = crypto_drbg_get_bytes_addtl(drng,
3834			buf, test->expectedlen, &addtl);
3835	}
3836	if (ret < 0) {
3837		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3838		       "driver %s\n", driver);
3839		goto outbuf;
3840	}
3841
3842	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3843	if (pr) {
3844		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3845		ret = crypto_drbg_get_bytes_addtl_test(drng,
3846			buf, test->expectedlen, &addtl, &test_data);
3847	} else {
3848		ret = crypto_drbg_get_bytes_addtl(drng,
3849			buf, test->expectedlen, &addtl);
3850	}
3851	if (ret < 0) {
3852		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3853		       "driver %s\n", driver);
3854		goto outbuf;
3855	}
3856
3857	ret = memcmp(test->expected, buf, test->expectedlen);
3858
3859outbuf:
3860	crypto_free_rng(drng);
3861	kfree_sensitive(buf);
3862	return ret;
3863}
3864
3865
3866static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3867			 u32 type, u32 mask)
3868{
3869	int err = 0;
3870	int pr = 0;
3871	int i = 0;
3872	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3873	unsigned int tcount = desc->suite.drbg.count;
3874
3875	if (0 == memcmp(driver, "drbg_pr_", 8))
3876		pr = 1;
3877
3878	for (i = 0; i < tcount; i++) {
3879		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3880		if (err) {
3881			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3882			       i, driver);
3883			err = -EINVAL;
3884			break;
3885		}
3886	}
3887	return err;
3888
3889}
3890
3891static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3892		       const char *alg)
3893{
3894	struct kpp_request *req;
3895	void *input_buf = NULL;
3896	void *output_buf = NULL;
3897	void *a_public = NULL;
3898	void *a_ss = NULL;
3899	void *shared_secret = NULL;
3900	struct crypto_wait wait;
3901	unsigned int out_len_max;
3902	int err = -ENOMEM;
3903	struct scatterlist src, dst;
3904
3905	req = kpp_request_alloc(tfm, GFP_KERNEL);
3906	if (!req)
3907		return err;
3908
3909	crypto_init_wait(&wait);
3910
3911	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3912	if (err < 0)
3913		goto free_req;
3914
3915	out_len_max = crypto_kpp_maxsize(tfm);
3916	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3917	if (!output_buf) {
3918		err = -ENOMEM;
3919		goto free_req;
3920	}
3921
3922	/* Use appropriate parameter as base */
3923	kpp_request_set_input(req, NULL, 0);
3924	sg_init_one(&dst, output_buf, out_len_max);
3925	kpp_request_set_output(req, &dst, out_len_max);
3926	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3927				 crypto_req_done, &wait);
3928
3929	/* Compute party A's public key */
3930	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3931	if (err) {
3932		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3933		       alg, err);
3934		goto free_output;
3935	}
3936
3937	if (vec->genkey) {
3938		/* Save party A's public key */
3939		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3940		if (!a_public) {
3941			err = -ENOMEM;
3942			goto free_output;
3943		}
3944	} else {
3945		/* Verify calculated public key */
3946		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3947			   vec->expected_a_public_size)) {
3948			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3949			       alg);
3950			err = -EINVAL;
3951			goto free_output;
3952		}
3953	}
3954
3955	/* Calculate shared secret key by using counter part (b) public key. */
3956	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3957	if (!input_buf) {
3958		err = -ENOMEM;
3959		goto free_output;
3960	}
3961
3962	sg_init_one(&src, input_buf, vec->b_public_size);
3963	sg_init_one(&dst, output_buf, out_len_max);
3964	kpp_request_set_input(req, &src, vec->b_public_size);
3965	kpp_request_set_output(req, &dst, out_len_max);
3966	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3967				 crypto_req_done, &wait);
3968	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3969	if (err) {
3970		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3971		       alg, err);
3972		goto free_all;
3973	}
3974
3975	if (vec->genkey) {
3976		/* Save the shared secret obtained by party A */
3977		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3978		if (!a_ss) {
3979			err = -ENOMEM;
3980			goto free_all;
3981		}
3982
3983		/*
3984		 * Calculate party B's shared secret by using party A's
3985		 * public key.
3986		 */
3987		err = crypto_kpp_set_secret(tfm, vec->b_secret,
3988					    vec->b_secret_size);
3989		if (err < 0)
3990			goto free_all;
3991
3992		sg_init_one(&src, a_public, vec->expected_a_public_size);
3993		sg_init_one(&dst, output_buf, out_len_max);
3994		kpp_request_set_input(req, &src, vec->expected_a_public_size);
3995		kpp_request_set_output(req, &dst, out_len_max);
3996		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3997					 crypto_req_done, &wait);
3998		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3999				      &wait);
4000		if (err) {
4001			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
4002			       alg, err);
4003			goto free_all;
4004		}
4005
4006		shared_secret = a_ss;
4007	} else {
4008		shared_secret = (void *)vec->expected_ss;
4009	}
4010
4011	/*
4012	 * verify shared secret from which the user will derive
4013	 * secret key by executing whatever hash it has chosen
4014	 */
4015	if (memcmp(shared_secret, sg_virt(req->dst),
4016		   vec->expected_ss_size)) {
4017		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4018		       alg);
4019		err = -EINVAL;
4020	}
4021
4022free_all:
4023	kfree(a_ss);
4024	kfree(input_buf);
4025free_output:
4026	kfree(a_public);
4027	kfree(output_buf);
4028free_req:
4029	kpp_request_free(req);
4030	return err;
4031}
4032
4033static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4034		    const struct kpp_testvec *vecs, unsigned int tcount)
4035{
4036	int ret, i;
4037
4038	for (i = 0; i < tcount; i++) {
4039		ret = do_test_kpp(tfm, vecs++, alg);
4040		if (ret) {
4041			pr_err("alg: %s: test failed on vector %d, err=%d\n",
4042			       alg, i + 1, ret);
4043			return ret;
4044		}
4045	}
4046	return 0;
4047}
4048
4049static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4050			u32 type, u32 mask)
4051{
4052	struct crypto_kpp *tfm;
4053	int err = 0;
4054
4055	tfm = crypto_alloc_kpp(driver, type, mask);
4056	if (IS_ERR(tfm)) {
4057		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4058		       driver, PTR_ERR(tfm));
4059		return PTR_ERR(tfm);
4060	}
4061	if (desc->suite.kpp.vecs)
4062		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4063			       desc->suite.kpp.count);
4064
4065	crypto_free_kpp(tfm);
4066	return err;
4067}
4068
4069static u8 *test_pack_u32(u8 *dst, u32 val)
4070{
4071	memcpy(dst, &val, sizeof(val));
4072	return dst + sizeof(val);
4073}
4074
4075static int test_akcipher_one(struct crypto_akcipher *tfm,
4076			     const struct akcipher_testvec *vecs)
4077{
4078	char *xbuf[XBUFSIZE];
4079	struct akcipher_request *req;
4080	void *outbuf_enc = NULL;
4081	void *outbuf_dec = NULL;
4082	struct crypto_wait wait;
4083	unsigned int out_len_max, out_len = 0;
4084	int err = -ENOMEM;
4085	struct scatterlist src, dst, src_tab[3];
4086	const char *m, *c;
4087	unsigned int m_size, c_size;
4088	const char *op;
4089	u8 *key, *ptr;
4090
4091	if (testmgr_alloc_buf(xbuf))
4092		return err;
4093
4094	req = akcipher_request_alloc(tfm, GFP_KERNEL);
4095	if (!req)
4096		goto free_xbuf;
4097
4098	crypto_init_wait(&wait);
4099
4100	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4101		      GFP_KERNEL);
4102	if (!key)
4103		goto free_req;
4104	memcpy(key, vecs->key, vecs->key_len);
4105	ptr = key + vecs->key_len;
4106	ptr = test_pack_u32(ptr, vecs->algo);
4107	ptr = test_pack_u32(ptr, vecs->param_len);
4108	memcpy(ptr, vecs->params, vecs->param_len);
4109
4110	if (vecs->public_key_vec)
4111		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4112	else
4113		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4114	if (err)
4115		goto free_key;
4116
4117	/*
4118	 * First run test which do not require a private key, such as
4119	 * encrypt or verify.
4120	 */
4121	err = -ENOMEM;
4122	out_len_max = crypto_akcipher_maxsize(tfm);
4123	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4124	if (!outbuf_enc)
4125		goto free_key;
4126
4127	if (!vecs->siggen_sigver_test) {
4128		m = vecs->m;
4129		m_size = vecs->m_size;
4130		c = vecs->c;
4131		c_size = vecs->c_size;
4132		op = "encrypt";
4133	} else {
4134		/* Swap args so we could keep plaintext (digest)
4135		 * in vecs->m, and cooked signature in vecs->c.
4136		 */
4137		m = vecs->c; /* signature */
4138		m_size = vecs->c_size;
4139		c = vecs->m; /* digest */
4140		c_size = vecs->m_size;
4141		op = "verify";
4142	}
4143
4144	err = -E2BIG;
4145	if (WARN_ON(m_size > PAGE_SIZE))
4146		goto free_all;
4147	memcpy(xbuf[0], m, m_size);
4148
4149	sg_init_table(src_tab, 3);
4150	sg_set_buf(&src_tab[0], xbuf[0], 8);
4151	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4152	if (vecs->siggen_sigver_test) {
4153		if (WARN_ON(c_size > PAGE_SIZE))
4154			goto free_all;
4155		memcpy(xbuf[1], c, c_size);
4156		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4157		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4158	} else {
4159		sg_init_one(&dst, outbuf_enc, out_len_max);
4160		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4161					   out_len_max);
4162	}
4163	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4164				      crypto_req_done, &wait);
4165
4166	err = crypto_wait_req(vecs->siggen_sigver_test ?
4167			      /* Run asymmetric signature verification */
4168			      crypto_akcipher_verify(req) :
4169			      /* Run asymmetric encrypt */
4170			      crypto_akcipher_encrypt(req), &wait);
4171	if (err) {
4172		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4173		goto free_all;
4174	}
4175	if (!vecs->siggen_sigver_test && c) {
4176		if (req->dst_len != c_size) {
4177			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4178			       op);
4179			err = -EINVAL;
4180			goto free_all;
4181		}
4182		/* verify that encrypted message is equal to expected */
4183		if (memcmp(c, outbuf_enc, c_size) != 0) {
4184			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4185			       op);
4186			hexdump(outbuf_enc, c_size);
4187			err = -EINVAL;
4188			goto free_all;
4189		}
4190	}
4191
4192	/*
4193	 * Don't invoke (decrypt or sign) test which require a private key
4194	 * for vectors with only a public key.
4195	 */
4196	if (vecs->public_key_vec) {
4197		err = 0;
4198		goto free_all;
4199	}
4200	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4201	if (!outbuf_dec) {
4202		err = -ENOMEM;
4203		goto free_all;
4204	}
4205
4206	if (!vecs->siggen_sigver_test && !c) {
4207		c = outbuf_enc;
4208		c_size = req->dst_len;
4209	}
4210
4211	err = -E2BIG;
4212	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4213	if (WARN_ON(c_size > PAGE_SIZE))
4214		goto free_all;
4215	memcpy(xbuf[0], c, c_size);
4216
4217	sg_init_one(&src, xbuf[0], c_size);
4218	sg_init_one(&dst, outbuf_dec, out_len_max);
4219	crypto_init_wait(&wait);
4220	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4221
4222	err = crypto_wait_req(vecs->siggen_sigver_test ?
4223			      /* Run asymmetric signature generation */
4224			      crypto_akcipher_sign(req) :
4225			      /* Run asymmetric decrypt */
4226			      crypto_akcipher_decrypt(req), &wait);
4227	if (err) {
4228		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4229		goto free_all;
4230	}
4231	out_len = req->dst_len;
4232	if (out_len < m_size) {
4233		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4234		       op, out_len);
4235		err = -EINVAL;
4236		goto free_all;
4237	}
4238	/* verify that decrypted message is equal to the original msg */
4239	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4240	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4241		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4242		hexdump(outbuf_dec, out_len);
4243		err = -EINVAL;
4244	}
4245free_all:
4246	kfree(outbuf_dec);
4247	kfree(outbuf_enc);
4248free_key:
4249	kfree(key);
4250free_req:
4251	akcipher_request_free(req);
4252free_xbuf:
4253	testmgr_free_buf(xbuf);
4254	return err;
4255}
4256
4257static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4258			 const struct akcipher_testvec *vecs,
4259			 unsigned int tcount)
4260{
4261	const char *algo =
4262		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4263	int ret, i;
4264
4265	for (i = 0; i < tcount; i++) {
4266		ret = test_akcipher_one(tfm, vecs++);
4267		if (!ret)
4268			continue;
4269
4270		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4271		       i + 1, algo, ret);
4272		return ret;
4273	}
4274	return 0;
4275}
4276
4277static int alg_test_akcipher(const struct alg_test_desc *desc,
4278			     const char *driver, u32 type, u32 mask)
4279{
4280	struct crypto_akcipher *tfm;
4281	int err = 0;
4282
4283	tfm = crypto_alloc_akcipher(driver, type, mask);
4284	if (IS_ERR(tfm)) {
4285		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4286		       driver, PTR_ERR(tfm));
4287		return PTR_ERR(tfm);
4288	}
4289	if (desc->suite.akcipher.vecs)
4290		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4291				    desc->suite.akcipher.count);
4292
4293	crypto_free_akcipher(tfm);
4294	return err;
4295}
4296
4297static int alg_test_null(const struct alg_test_desc *desc,
4298			     const char *driver, u32 type, u32 mask)
4299{
4300	return 0;
4301}
4302
4303#define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4304#define __VECS(tv)	{ ____VECS(tv) }
4305
4306/* Please keep this list sorted by algorithm name. */
4307static const struct alg_test_desc alg_test_descs[] = {
4308	{
4309		.alg = "adiantum(xchacha12,aes)",
4310		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4311		.test = alg_test_skcipher,
4312		.suite = {
4313			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4314		},
4315	}, {
4316		.alg = "adiantum(xchacha20,aes)",
4317		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4318		.test = alg_test_skcipher,
4319		.suite = {
4320			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4321		},
4322	}, {
4323		.alg = "aegis128",
4324		.test = alg_test_aead,
4325		.suite = {
4326			.aead = __VECS(aegis128_tv_template)
4327		}
4328	}, {
4329		.alg = "ansi_cprng",
4330		.test = alg_test_cprng,
4331		.suite = {
4332			.cprng = __VECS(ansi_cprng_aes_tv_template)
4333		}
4334	}, {
4335		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4336		.test = alg_test_aead,
4337		.suite = {
4338			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4339		}
4340	}, {
4341		.alg = "authenc(hmac(sha1),cbc(aes))",
4342		.test = alg_test_aead,
4343		.fips_allowed = 1,
4344		.suite = {
4345			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4346		}
4347	}, {
4348		.alg = "authenc(hmac(sha1),cbc(des))",
4349		.test = alg_test_aead,
4350		.suite = {
4351			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4352		}
4353	}, {
4354		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4355		.test = alg_test_aead,
4356		.suite = {
4357			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4358		}
4359	}, {
4360		.alg = "authenc(hmac(sha1),ctr(aes))",
4361		.test = alg_test_null,
4362		.fips_allowed = 1,
4363	}, {
4364		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4365		.test = alg_test_aead,
4366		.suite = {
4367			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4368		}
4369	}, {
4370		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4371		.test = alg_test_null,
4372		.fips_allowed = 1,
4373	}, {
4374		.alg = "authenc(hmac(sha224),cbc(des))",
4375		.test = alg_test_aead,
4376		.suite = {
4377			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4378		}
4379	}, {
4380		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4381		.test = alg_test_aead,
4382		.suite = {
4383			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4384		}
4385	}, {
4386		.alg = "authenc(hmac(sha256),cbc(aes))",
4387		.test = alg_test_aead,
4388		.fips_allowed = 1,
4389		.suite = {
4390			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4391		}
4392	}, {
4393		.alg = "authenc(hmac(sha256),cbc(des))",
4394		.test = alg_test_aead,
4395		.suite = {
4396			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4397		}
4398	}, {
4399		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4400		.test = alg_test_aead,
4401		.suite = {
4402			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4403		}
4404	}, {
4405		.alg = "authenc(hmac(sha256),ctr(aes))",
4406		.test = alg_test_null,
4407		.fips_allowed = 1,
4408	}, {
4409		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4410		.test = alg_test_null,
4411		.fips_allowed = 1,
4412	}, {
4413		.alg = "authenc(hmac(sha384),cbc(des))",
4414		.test = alg_test_aead,
4415		.suite = {
4416			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4417		}
4418	}, {
4419		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4420		.test = alg_test_aead,
4421		.suite = {
4422			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4423		}
4424	}, {
4425		.alg = "authenc(hmac(sha384),ctr(aes))",
4426		.test = alg_test_null,
4427		.fips_allowed = 1,
4428	}, {
4429		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4430		.test = alg_test_null,
4431		.fips_allowed = 1,
4432	}, {
4433		.alg = "authenc(hmac(sha512),cbc(aes))",
4434		.fips_allowed = 1,
4435		.test = alg_test_aead,
4436		.suite = {
4437			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4438		}
4439	}, {
4440		.alg = "authenc(hmac(sha512),cbc(des))",
4441		.test = alg_test_aead,
4442		.suite = {
4443			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4444		}
4445	}, {
4446		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4447		.test = alg_test_aead,
4448		.suite = {
4449			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4450		}
4451	}, {
4452		.alg = "authenc(hmac(sha512),ctr(aes))",
4453		.test = alg_test_null,
4454		.fips_allowed = 1,
4455	}, {
4456		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4457		.test = alg_test_null,
4458		.fips_allowed = 1,
4459	}, {
4460		.alg = "blake2b-160",
4461		.test = alg_test_hash,
4462		.fips_allowed = 0,
4463		.suite = {
4464			.hash = __VECS(blake2b_160_tv_template)
4465		}
4466	}, {
4467		.alg = "blake2b-256",
4468		.test = alg_test_hash,
4469		.fips_allowed = 0,
4470		.suite = {
4471			.hash = __VECS(blake2b_256_tv_template)
4472		}
4473	}, {
4474		.alg = "blake2b-384",
4475		.test = alg_test_hash,
4476		.fips_allowed = 0,
4477		.suite = {
4478			.hash = __VECS(blake2b_384_tv_template)
4479		}
4480	}, {
4481		.alg = "blake2b-512",
4482		.test = alg_test_hash,
4483		.fips_allowed = 0,
4484		.suite = {
4485			.hash = __VECS(blake2b_512_tv_template)
4486		}
4487	}, {
4488		.alg = "cbc(aes)",
4489		.test = alg_test_skcipher,
4490		.fips_allowed = 1,
4491		.suite = {
4492			.cipher = __VECS(aes_cbc_tv_template)
4493		},
4494	}, {
4495		.alg = "cbc(anubis)",
4496		.test = alg_test_skcipher,
4497		.suite = {
4498			.cipher = __VECS(anubis_cbc_tv_template)
4499		},
4500	}, {
4501		.alg = "cbc(aria)",
4502		.test = alg_test_skcipher,
4503		.suite = {
4504			.cipher = __VECS(aria_cbc_tv_template)
4505		},
4506	}, {
4507		.alg = "cbc(blowfish)",
4508		.test = alg_test_skcipher,
4509		.suite = {
4510			.cipher = __VECS(bf_cbc_tv_template)
4511		},
4512	}, {
4513		.alg = "cbc(camellia)",
4514		.test = alg_test_skcipher,
4515		.suite = {
4516			.cipher = __VECS(camellia_cbc_tv_template)
4517		},
4518	}, {
4519		.alg = "cbc(cast5)",
4520		.test = alg_test_skcipher,
4521		.suite = {
4522			.cipher = __VECS(cast5_cbc_tv_template)
4523		},
4524	}, {
4525		.alg = "cbc(cast6)",
4526		.test = alg_test_skcipher,
4527		.suite = {
4528			.cipher = __VECS(cast6_cbc_tv_template)
4529		},
4530	}, {
4531		.alg = "cbc(des)",
4532		.test = alg_test_skcipher,
4533		.suite = {
4534			.cipher = __VECS(des_cbc_tv_template)
4535		},
4536	}, {
4537		.alg = "cbc(des3_ede)",
4538		.test = alg_test_skcipher,
4539		.suite = {
4540			.cipher = __VECS(des3_ede_cbc_tv_template)
4541		},
4542	}, {
4543		/* Same as cbc(aes) except the key is stored in
4544		 * hardware secure memory which we reference by index
4545		 */
4546		.alg = "cbc(paes)",
4547		.test = alg_test_null,
4548		.fips_allowed = 1,
4549	}, {
4550		/* Same as cbc(sm4) except the key is stored in
4551		 * hardware secure memory which we reference by index
4552		 */
4553		.alg = "cbc(psm4)",
4554		.test = alg_test_null,
4555	}, {
4556		.alg = "cbc(serpent)",
4557		.test = alg_test_skcipher,
4558		.suite = {
4559			.cipher = __VECS(serpent_cbc_tv_template)
4560		},
4561	}, {
4562		.alg = "cbc(sm4)",
4563		.test = alg_test_skcipher,
4564		.suite = {
4565			.cipher = __VECS(sm4_cbc_tv_template)
4566		}
4567	}, {
4568		.alg = "cbc(twofish)",
4569		.test = alg_test_skcipher,
4570		.suite = {
4571			.cipher = __VECS(tf_cbc_tv_template)
4572		},
4573	}, {
4574#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4575		.alg = "cbc-paes-s390",
4576		.fips_allowed = 1,
4577		.test = alg_test_skcipher,
4578		.suite = {
4579			.cipher = __VECS(aes_cbc_tv_template)
4580		}
4581	}, {
4582#endif
4583		.alg = "cbcmac(aes)",
4584		.test = alg_test_hash,
4585		.suite = {
4586			.hash = __VECS(aes_cbcmac_tv_template)
4587		}
4588	}, {
4589		.alg = "cbcmac(sm4)",
4590		.test = alg_test_hash,
4591		.suite = {
4592			.hash = __VECS(sm4_cbcmac_tv_template)
4593		}
4594	}, {
4595		.alg = "ccm(aes)",
4596		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4597		.test = alg_test_aead,
4598		.fips_allowed = 1,
4599		.suite = {
4600			.aead = {
4601				____VECS(aes_ccm_tv_template),
4602				.einval_allowed = 1,
4603			}
4604		}
4605	}, {
4606		.alg = "ccm(sm4)",
4607		.generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4608		.test = alg_test_aead,
4609		.suite = {
4610			.aead = {
4611				____VECS(sm4_ccm_tv_template),
4612				.einval_allowed = 1,
4613			}
4614		}
4615	}, {
4616		.alg = "cfb(aes)",
4617		.test = alg_test_skcipher,
4618		.fips_allowed = 1,
4619		.suite = {
4620			.cipher = __VECS(aes_cfb_tv_template)
4621		},
4622	}, {
4623		.alg = "cfb(aria)",
4624		.test = alg_test_skcipher,
4625		.suite = {
4626			.cipher = __VECS(aria_cfb_tv_template)
4627		},
4628	}, {
4629		.alg = "cfb(sm4)",
4630		.test = alg_test_skcipher,
4631		.suite = {
4632			.cipher = __VECS(sm4_cfb_tv_template)
4633		}
4634	}, {
4635		.alg = "chacha20",
4636		.test = alg_test_skcipher,
4637		.suite = {
4638			.cipher = __VECS(chacha20_tv_template)
4639		},
4640	}, {
4641		.alg = "cmac(aes)",
4642		.fips_allowed = 1,
4643		.test = alg_test_hash,
4644		.suite = {
4645			.hash = __VECS(aes_cmac128_tv_template)
4646		}
4647	}, {
4648		.alg = "cmac(camellia)",
4649		.test = alg_test_hash,
4650		.suite = {
4651			.hash = __VECS(camellia_cmac128_tv_template)
4652		}
4653	}, {
4654		.alg = "cmac(des3_ede)",
4655		.test = alg_test_hash,
4656		.suite = {
4657			.hash = __VECS(des3_ede_cmac64_tv_template)
4658		}
4659	}, {
4660		.alg = "cmac(sm4)",
4661		.test = alg_test_hash,
4662		.suite = {
4663			.hash = __VECS(sm4_cmac128_tv_template)
4664		}
4665	}, {
4666		.alg = "compress_null",
4667		.test = alg_test_null,
4668	}, {
4669		.alg = "crc32",
4670		.test = alg_test_hash,
4671		.fips_allowed = 1,
4672		.suite = {
4673			.hash = __VECS(crc32_tv_template)
4674		}
4675	}, {
4676		.alg = "crc32c",
4677		.test = alg_test_crc32c,
4678		.fips_allowed = 1,
4679		.suite = {
4680			.hash = __VECS(crc32c_tv_template)
4681		}
4682	}, {
4683		.alg = "crc64-rocksoft",
4684		.test = alg_test_hash,
4685		.fips_allowed = 1,
4686		.suite = {
4687			.hash = __VECS(crc64_rocksoft_tv_template)
4688		}
4689	}, {
4690		.alg = "crct10dif",
4691		.test = alg_test_hash,
4692		.fips_allowed = 1,
4693		.suite = {
4694			.hash = __VECS(crct10dif_tv_template)
4695		}
4696	}, {
4697		.alg = "ctr(aes)",
4698		.test = alg_test_skcipher,
4699		.fips_allowed = 1,
4700		.suite = {
4701			.cipher = __VECS(aes_ctr_tv_template)
4702		}
4703	}, {
4704		.alg = "ctr(aria)",
4705		.test = alg_test_skcipher,
4706		.suite = {
4707			.cipher = __VECS(aria_ctr_tv_template)
4708		}
4709	}, {
4710		.alg = "ctr(blowfish)",
4711		.test = alg_test_skcipher,
4712		.suite = {
4713			.cipher = __VECS(bf_ctr_tv_template)
4714		}
4715	}, {
4716		.alg = "ctr(camellia)",
4717		.test = alg_test_skcipher,
4718		.suite = {
4719			.cipher = __VECS(camellia_ctr_tv_template)
4720		}
4721	}, {
4722		.alg = "ctr(cast5)",
4723		.test = alg_test_skcipher,
4724		.suite = {
4725			.cipher = __VECS(cast5_ctr_tv_template)
4726		}
4727	}, {
4728		.alg = "ctr(cast6)",
4729		.test = alg_test_skcipher,
4730		.suite = {
4731			.cipher = __VECS(cast6_ctr_tv_template)
4732		}
4733	}, {
4734		.alg = "ctr(des)",
4735		.test = alg_test_skcipher,
4736		.suite = {
4737			.cipher = __VECS(des_ctr_tv_template)
4738		}
4739	}, {
4740		.alg = "ctr(des3_ede)",
4741		.test = alg_test_skcipher,
4742		.suite = {
4743			.cipher = __VECS(des3_ede_ctr_tv_template)
4744		}
4745	}, {
4746		/* Same as ctr(aes) except the key is stored in
4747		 * hardware secure memory which we reference by index
4748		 */
4749		.alg = "ctr(paes)",
4750		.test = alg_test_null,
4751		.fips_allowed = 1,
4752	}, {
4753
4754		/* Same as ctr(sm4) except the key is stored in
4755		 * hardware secure memory which we reference by index
4756		 */
4757		.alg = "ctr(psm4)",
4758		.test = alg_test_null,
4759	}, {
4760		.alg = "ctr(serpent)",
4761		.test = alg_test_skcipher,
4762		.suite = {
4763			.cipher = __VECS(serpent_ctr_tv_template)
4764		}
4765	}, {
4766		.alg = "ctr(sm4)",
4767		.test = alg_test_skcipher,
4768		.suite = {
4769			.cipher = __VECS(sm4_ctr_tv_template)
4770		}
4771	}, {
4772		.alg = "ctr(twofish)",
4773		.test = alg_test_skcipher,
4774		.suite = {
4775			.cipher = __VECS(tf_ctr_tv_template)
4776		}
4777	}, {
4778#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4779		.alg = "ctr-paes-s390",
4780		.fips_allowed = 1,
4781		.test = alg_test_skcipher,
4782		.suite = {
4783			.cipher = __VECS(aes_ctr_tv_template)
4784		}
4785	}, {
4786#endif
4787		.alg = "cts(cbc(aes))",
4788		.test = alg_test_skcipher,
4789		.fips_allowed = 1,
4790		.suite = {
4791			.cipher = __VECS(cts_mode_tv_template)
4792		}
4793	}, {
4794		/* Same as cts(cbc((aes)) except the key is stored in
4795		 * hardware secure memory which we reference by index
4796		 */
4797		.alg = "cts(cbc(paes))",
4798		.test = alg_test_null,
4799		.fips_allowed = 1,
4800	}, {
4801		.alg = "cts(cbc(sm4))",
4802		.test = alg_test_skcipher,
4803		.suite = {
4804			.cipher = __VECS(sm4_cts_tv_template)
4805		}
4806	}, {
4807		.alg = "curve25519",
4808		.test = alg_test_kpp,
4809		.suite = {
4810			.kpp = __VECS(curve25519_tv_template)
4811		}
4812	}, {
4813		.alg = "deflate",
4814		.test = alg_test_comp,
4815		.fips_allowed = 1,
4816		.suite = {
4817			.comp = {
4818				.comp = __VECS(deflate_comp_tv_template),
4819				.decomp = __VECS(deflate_decomp_tv_template)
4820			}
4821		}
4822	}, {
4823		.alg = "dh",
4824		.test = alg_test_kpp,
4825		.suite = {
4826			.kpp = __VECS(dh_tv_template)
4827		}
4828	}, {
4829		.alg = "digest_null",
4830		.test = alg_test_null,
4831	}, {
4832		.alg = "drbg_nopr_ctr_aes128",
4833		.test = alg_test_drbg,
4834		.fips_allowed = 1,
4835		.suite = {
4836			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4837		}
4838	}, {
4839		.alg = "drbg_nopr_ctr_aes192",
4840		.test = alg_test_drbg,
4841		.fips_allowed = 1,
4842		.suite = {
4843			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4844		}
4845	}, {
4846		.alg = "drbg_nopr_ctr_aes256",
4847		.test = alg_test_drbg,
4848		.fips_allowed = 1,
4849		.suite = {
4850			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4851		}
4852	}, {
4853		/*
4854		 * There is no need to specifically test the DRBG with every
4855		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4856		 */
4857		.alg = "drbg_nopr_hmac_sha1",
4858		.fips_allowed = 1,
4859		.test = alg_test_null,
4860	}, {
4861		.alg = "drbg_nopr_hmac_sha256",
4862		.test = alg_test_drbg,
4863		.fips_allowed = 1,
4864		.suite = {
4865			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4866		}
4867	}, {
4868		/* covered by drbg_nopr_hmac_sha256 test */
4869		.alg = "drbg_nopr_hmac_sha384",
4870		.test = alg_test_null,
4871	}, {
4872		.alg = "drbg_nopr_hmac_sha512",
4873		.test = alg_test_drbg,
4874		.fips_allowed = 1,
4875		.suite = {
4876			.drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4877		}
4878	}, {
4879		.alg = "drbg_nopr_sha1",
4880		.fips_allowed = 1,
4881		.test = alg_test_null,
4882	}, {
4883		.alg = "drbg_nopr_sha256",
4884		.test = alg_test_drbg,
4885		.fips_allowed = 1,
4886		.suite = {
4887			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4888		}
4889	}, {
4890		/* covered by drbg_nopr_sha256 test */
4891		.alg = "drbg_nopr_sha384",
4892		.test = alg_test_null,
4893	}, {
4894		.alg = "drbg_nopr_sha512",
4895		.fips_allowed = 1,
4896		.test = alg_test_null,
4897	}, {
4898		.alg = "drbg_pr_ctr_aes128",
4899		.test = alg_test_drbg,
4900		.fips_allowed = 1,
4901		.suite = {
4902			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4903		}
4904	}, {
4905		/* covered by drbg_pr_ctr_aes128 test */
4906		.alg = "drbg_pr_ctr_aes192",
4907		.fips_allowed = 1,
4908		.test = alg_test_null,
4909	}, {
4910		.alg = "drbg_pr_ctr_aes256",
4911		.fips_allowed = 1,
4912		.test = alg_test_null,
4913	}, {
4914		.alg = "drbg_pr_hmac_sha1",
4915		.fips_allowed = 1,
4916		.test = alg_test_null,
4917	}, {
4918		.alg = "drbg_pr_hmac_sha256",
4919		.test = alg_test_drbg,
4920		.fips_allowed = 1,
4921		.suite = {
4922			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4923		}
4924	}, {
4925		/* covered by drbg_pr_hmac_sha256 test */
4926		.alg = "drbg_pr_hmac_sha384",
4927		.test = alg_test_null,
4928	}, {
4929		.alg = "drbg_pr_hmac_sha512",
4930		.test = alg_test_null,
4931		.fips_allowed = 1,
4932	}, {
4933		.alg = "drbg_pr_sha1",
4934		.fips_allowed = 1,
4935		.test = alg_test_null,
4936	}, {
4937		.alg = "drbg_pr_sha256",
4938		.test = alg_test_drbg,
4939		.fips_allowed = 1,
4940		.suite = {
4941			.drbg = __VECS(drbg_pr_sha256_tv_template)
4942		}
4943	}, {
4944		/* covered by drbg_pr_sha256 test */
4945		.alg = "drbg_pr_sha384",
4946		.test = alg_test_null,
4947	}, {
4948		.alg = "drbg_pr_sha512",
4949		.fips_allowed = 1,
4950		.test = alg_test_null,
4951	}, {
4952		.alg = "ecb(aes)",
4953		.test = alg_test_skcipher,
4954		.fips_allowed = 1,
4955		.suite = {
4956			.cipher = __VECS(aes_tv_template)
4957		}
4958	}, {
4959		.alg = "ecb(anubis)",
4960		.test = alg_test_skcipher,
4961		.suite = {
4962			.cipher = __VECS(anubis_tv_template)
4963		}
4964	}, {
4965		.alg = "ecb(arc4)",
4966		.generic_driver = "ecb(arc4)-generic",
4967		.test = alg_test_skcipher,
4968		.suite = {
4969			.cipher = __VECS(arc4_tv_template)
4970		}
4971	}, {
4972		.alg = "ecb(aria)",
4973		.test = alg_test_skcipher,
4974		.suite = {
4975			.cipher = __VECS(aria_tv_template)
4976		}
4977	}, {
4978		.alg = "ecb(blowfish)",
4979		.test = alg_test_skcipher,
4980		.suite = {
4981			.cipher = __VECS(bf_tv_template)
4982		}
4983	}, {
4984		.alg = "ecb(camellia)",
4985		.test = alg_test_skcipher,
4986		.suite = {
4987			.cipher = __VECS(camellia_tv_template)
4988		}
4989	}, {
4990		.alg = "ecb(cast5)",
4991		.test = alg_test_skcipher,
4992		.suite = {
4993			.cipher = __VECS(cast5_tv_template)
4994		}
4995	}, {
4996		.alg = "ecb(cast6)",
4997		.test = alg_test_skcipher,
4998		.suite = {
4999			.cipher = __VECS(cast6_tv_template)
5000		}
5001	}, {
5002		.alg = "ecb(cipher_null)",
5003		.test = alg_test_null,
5004		.fips_allowed = 1,
5005	}, {
5006		.alg = "ecb(des)",
5007		.test = alg_test_skcipher,
5008		.suite = {
5009			.cipher = __VECS(des_tv_template)
5010		}
5011	}, {
5012		.alg = "ecb(des3_ede)",
5013		.test = alg_test_skcipher,
5014		.suite = {
5015			.cipher = __VECS(des3_ede_tv_template)
5016		}
5017	}, {
5018		.alg = "ecb(fcrypt)",
5019		.test = alg_test_skcipher,
5020		.suite = {
5021			.cipher = {
5022				.vecs = fcrypt_pcbc_tv_template,
5023				.count = 1
5024			}
5025		}
5026	}, {
5027		.alg = "ecb(khazad)",
5028		.test = alg_test_skcipher,
5029		.suite = {
5030			.cipher = __VECS(khazad_tv_template)
5031		}
5032	}, {
5033		/* Same as ecb(aes) except the key is stored in
5034		 * hardware secure memory which we reference by index
5035		 */
5036		.alg = "ecb(paes)",
5037		.test = alg_test_null,
5038		.fips_allowed = 1,
5039	}, {
5040		.alg = "ecb(seed)",
5041		.test = alg_test_skcipher,
5042		.suite = {
5043			.cipher = __VECS(seed_tv_template)
5044		}
5045	}, {
5046		.alg = "ecb(serpent)",
5047		.test = alg_test_skcipher,
5048		.suite = {
5049			.cipher = __VECS(serpent_tv_template)
5050		}
5051	}, {
5052		.alg = "ecb(sm4)",
5053		.test = alg_test_skcipher,
5054		.suite = {
5055			.cipher = __VECS(sm4_tv_template)
5056		}
5057	}, {
5058		.alg = "ecb(tea)",
5059		.test = alg_test_skcipher,
5060		.suite = {
5061			.cipher = __VECS(tea_tv_template)
5062		}
5063	}, {
5064		.alg = "ecb(twofish)",
5065		.test = alg_test_skcipher,
5066		.suite = {
5067			.cipher = __VECS(tf_tv_template)
5068		}
5069	}, {
5070		.alg = "ecb(xeta)",
5071		.test = alg_test_skcipher,
5072		.suite = {
5073			.cipher = __VECS(xeta_tv_template)
5074		}
5075	}, {
5076		.alg = "ecb(xtea)",
5077		.test = alg_test_skcipher,
5078		.suite = {
5079			.cipher = __VECS(xtea_tv_template)
5080		}
5081	}, {
5082#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5083		.alg = "ecb-paes-s390",
5084		.fips_allowed = 1,
5085		.test = alg_test_skcipher,
5086		.suite = {
5087			.cipher = __VECS(aes_tv_template)
5088		}
5089	}, {
5090#endif
5091		.alg = "ecdh-nist-p192",
5092		.test = alg_test_kpp,
5093		.suite = {
5094			.kpp = __VECS(ecdh_p192_tv_template)
5095		}
5096	}, {
5097		.alg = "ecdh-nist-p256",
5098		.test = alg_test_kpp,
5099		.fips_allowed = 1,
5100		.suite = {
5101			.kpp = __VECS(ecdh_p256_tv_template)
5102		}
5103	}, {
5104		.alg = "ecdh-nist-p384",
5105		.test = alg_test_kpp,
5106		.fips_allowed = 1,
5107		.suite = {
5108			.kpp = __VECS(ecdh_p384_tv_template)
5109		}
5110	}, {
5111		.alg = "ecdsa-nist-p192",
5112		.test = alg_test_akcipher,
5113		.suite = {
5114			.akcipher = __VECS(ecdsa_nist_p192_tv_template)
5115		}
5116	}, {
5117		.alg = "ecdsa-nist-p256",
5118		.test = alg_test_akcipher,
5119		.fips_allowed = 1,
5120		.suite = {
5121			.akcipher = __VECS(ecdsa_nist_p256_tv_template)
5122		}
5123	}, {
5124		.alg = "ecdsa-nist-p384",
5125		.test = alg_test_akcipher,
5126		.fips_allowed = 1,
5127		.suite = {
5128			.akcipher = __VECS(ecdsa_nist_p384_tv_template)
5129		}
5130	}, {
5131		.alg = "ecrdsa",
5132		.test = alg_test_akcipher,
5133		.suite = {
5134			.akcipher = __VECS(ecrdsa_tv_template)
5135		}
5136	}, {
5137		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5138		.test = alg_test_aead,
5139		.fips_allowed = 1,
5140		.suite = {
5141			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5142		}
5143	}, {
5144		.alg = "essiv(cbc(aes),sha256)",
5145		.test = alg_test_skcipher,
5146		.fips_allowed = 1,
5147		.suite = {
5148			.cipher = __VECS(essiv_aes_cbc_tv_template)
5149		}
5150	}, {
5151#if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5152		.alg = "ffdhe2048(dh)",
5153		.test = alg_test_kpp,
5154		.fips_allowed = 1,
5155		.suite = {
5156			.kpp = __VECS(ffdhe2048_dh_tv_template)
5157		}
5158	}, {
5159		.alg = "ffdhe3072(dh)",
5160		.test = alg_test_kpp,
5161		.fips_allowed = 1,
5162		.suite = {
5163			.kpp = __VECS(ffdhe3072_dh_tv_template)
5164		}
5165	}, {
5166		.alg = "ffdhe4096(dh)",
5167		.test = alg_test_kpp,
5168		.fips_allowed = 1,
5169		.suite = {
5170			.kpp = __VECS(ffdhe4096_dh_tv_template)
5171		}
5172	}, {
5173		.alg = "ffdhe6144(dh)",
5174		.test = alg_test_kpp,
5175		.fips_allowed = 1,
5176		.suite = {
5177			.kpp = __VECS(ffdhe6144_dh_tv_template)
5178		}
5179	}, {
5180		.alg = "ffdhe8192(dh)",
5181		.test = alg_test_kpp,
5182		.fips_allowed = 1,
5183		.suite = {
5184			.kpp = __VECS(ffdhe8192_dh_tv_template)
5185		}
5186	}, {
5187#endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5188		.alg = "gcm(aes)",
5189		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5190		.test = alg_test_aead,
5191		.fips_allowed = 1,
5192		.suite = {
5193			.aead = __VECS(aes_gcm_tv_template)
5194		}
5195	}, {
5196		.alg = "gcm(aria)",
5197		.generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5198		.test = alg_test_aead,
5199		.suite = {
5200			.aead = __VECS(aria_gcm_tv_template)
5201		}
5202	}, {
5203		.alg = "gcm(sm4)",
5204		.generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5205		.test = alg_test_aead,
5206		.suite = {
5207			.aead = __VECS(sm4_gcm_tv_template)
5208		}
5209	}, {
5210		.alg = "ghash",
5211		.test = alg_test_hash,
5212		.suite = {
5213			.hash = __VECS(ghash_tv_template)
5214		}
5215	}, {
5216		.alg = "hctr2(aes)",
5217		.generic_driver =
5218		    "hctr2_base(xctr(aes-generic),polyval-generic)",
5219		.test = alg_test_skcipher,
5220		.suite = {
5221			.cipher = __VECS(aes_hctr2_tv_template)
5222		}
5223	}, {
5224		.alg = "hmac(md5)",
5225		.test = alg_test_hash,
5226		.suite = {
5227			.hash = __VECS(hmac_md5_tv_template)
5228		}
5229	}, {
5230		.alg = "hmac(rmd160)",
5231		.test = alg_test_hash,
5232		.suite = {
5233			.hash = __VECS(hmac_rmd160_tv_template)
5234		}
5235	}, {
5236		.alg = "hmac(sha1)",
5237		.test = alg_test_hash,
5238		.fips_allowed = 1,
5239		.suite = {
5240			.hash = __VECS(hmac_sha1_tv_template)
5241		}
5242	}, {
5243		.alg = "hmac(sha224)",
5244		.test = alg_test_hash,
5245		.fips_allowed = 1,
5246		.suite = {
5247			.hash = __VECS(hmac_sha224_tv_template)
5248		}
5249	}, {
5250		.alg = "hmac(sha256)",
5251		.test = alg_test_hash,
5252		.fips_allowed = 1,
5253		.suite = {
5254			.hash = __VECS(hmac_sha256_tv_template)
5255		}
5256	}, {
5257		.alg = "hmac(sha3-224)",
5258		.test = alg_test_hash,
5259		.fips_allowed = 1,
5260		.suite = {
5261			.hash = __VECS(hmac_sha3_224_tv_template)
5262		}
5263	}, {
5264		.alg = "hmac(sha3-256)",
5265		.test = alg_test_hash,
5266		.fips_allowed = 1,
5267		.suite = {
5268			.hash = __VECS(hmac_sha3_256_tv_template)
5269		}
5270	}, {
5271		.alg = "hmac(sha3-384)",
5272		.test = alg_test_hash,
5273		.fips_allowed = 1,
5274		.suite = {
5275			.hash = __VECS(hmac_sha3_384_tv_template)
5276		}
5277	}, {
5278		.alg = "hmac(sha3-512)",
5279		.test = alg_test_hash,
5280		.fips_allowed = 1,
5281		.suite = {
5282			.hash = __VECS(hmac_sha3_512_tv_template)
5283		}
5284	}, {
5285		.alg = "hmac(sha384)",
5286		.test = alg_test_hash,
5287		.fips_allowed = 1,
5288		.suite = {
5289			.hash = __VECS(hmac_sha384_tv_template)
5290		}
5291	}, {
5292		.alg = "hmac(sha512)",
5293		.test = alg_test_hash,
5294		.fips_allowed = 1,
5295		.suite = {
5296			.hash = __VECS(hmac_sha512_tv_template)
5297		}
5298	}, {
5299		.alg = "hmac(sm3)",
5300		.test = alg_test_hash,
5301		.suite = {
5302			.hash = __VECS(hmac_sm3_tv_template)
5303		}
5304	}, {
5305		.alg = "hmac(streebog256)",
5306		.test = alg_test_hash,
5307		.suite = {
5308			.hash = __VECS(hmac_streebog256_tv_template)
5309		}
5310	}, {
5311		.alg = "hmac(streebog512)",
5312		.test = alg_test_hash,
5313		.suite = {
5314			.hash = __VECS(hmac_streebog512_tv_template)
5315		}
5316	}, {
5317		.alg = "jitterentropy_rng",
5318		.fips_allowed = 1,
5319		.test = alg_test_null,
5320	}, {
5321		.alg = "kw(aes)",
5322		.test = alg_test_skcipher,
5323		.fips_allowed = 1,
5324		.suite = {
5325			.cipher = __VECS(aes_kw_tv_template)
5326		}
5327	}, {
5328		.alg = "lrw(aes)",
5329		.generic_driver = "lrw(ecb(aes-generic))",
5330		.test = alg_test_skcipher,
5331		.suite = {
5332			.cipher = __VECS(aes_lrw_tv_template)
5333		}
5334	}, {
5335		.alg = "lrw(camellia)",
5336		.generic_driver = "lrw(ecb(camellia-generic))",
5337		.test = alg_test_skcipher,
5338		.suite = {
5339			.cipher = __VECS(camellia_lrw_tv_template)
5340		}
5341	}, {
5342		.alg = "lrw(cast6)",
5343		.generic_driver = "lrw(ecb(cast6-generic))",
5344		.test = alg_test_skcipher,
5345		.suite = {
5346			.cipher = __VECS(cast6_lrw_tv_template)
5347		}
5348	}, {
5349		.alg = "lrw(serpent)",
5350		.generic_driver = "lrw(ecb(serpent-generic))",
5351		.test = alg_test_skcipher,
5352		.suite = {
5353			.cipher = __VECS(serpent_lrw_tv_template)
5354		}
5355	}, {
5356		.alg = "lrw(twofish)",
5357		.generic_driver = "lrw(ecb(twofish-generic))",
5358		.test = alg_test_skcipher,
5359		.suite = {
5360			.cipher = __VECS(tf_lrw_tv_template)
5361		}
5362	}, {
5363		.alg = "lz4",
5364		.test = alg_test_comp,
5365		.fips_allowed = 1,
5366		.suite = {
5367			.comp = {
5368				.comp = __VECS(lz4_comp_tv_template),
5369				.decomp = __VECS(lz4_decomp_tv_template)
5370			}
5371		}
5372	}, {
5373		.alg = "lz4hc",
5374		.test = alg_test_comp,
5375		.fips_allowed = 1,
5376		.suite = {
5377			.comp = {
5378				.comp = __VECS(lz4hc_comp_tv_template),
5379				.decomp = __VECS(lz4hc_decomp_tv_template)
5380			}
5381		}
5382	}, {
5383		.alg = "lzo",
5384		.test = alg_test_comp,
5385		.fips_allowed = 1,
5386		.suite = {
5387			.comp = {
5388				.comp = __VECS(lzo_comp_tv_template),
5389				.decomp = __VECS(lzo_decomp_tv_template)
5390			}
5391		}
5392	}, {
5393		.alg = "lzo-rle",
5394		.test = alg_test_comp,
5395		.fips_allowed = 1,
5396		.suite = {
5397			.comp = {
5398				.comp = __VECS(lzorle_comp_tv_template),
5399				.decomp = __VECS(lzorle_decomp_tv_template)
5400			}
5401		}
5402	}, {
5403		.alg = "md4",
5404		.test = alg_test_hash,
5405		.suite = {
5406			.hash = __VECS(md4_tv_template)
5407		}
5408	}, {
5409		.alg = "md5",
5410		.test = alg_test_hash,
5411		.suite = {
5412			.hash = __VECS(md5_tv_template)
5413		}
5414	}, {
5415		.alg = "michael_mic",
5416		.test = alg_test_hash,
5417		.suite = {
5418			.hash = __VECS(michael_mic_tv_template)
5419		}
5420	}, {
5421		.alg = "nhpoly1305",
5422		.test = alg_test_hash,
5423		.suite = {
5424			.hash = __VECS(nhpoly1305_tv_template)
5425		}
5426	}, {
5427		.alg = "ofb(aes)",
5428		.test = alg_test_skcipher,
5429		.fips_allowed = 1,
5430		.suite = {
5431			.cipher = __VECS(aes_ofb_tv_template)
5432		}
5433	}, {
5434		/* Same as ofb(aes) except the key is stored in
5435		 * hardware secure memory which we reference by index
5436		 */
5437		.alg = "ofb(paes)",
5438		.test = alg_test_null,
5439		.fips_allowed = 1,
5440	}, {
5441		.alg = "ofb(sm4)",
5442		.test = alg_test_skcipher,
5443		.suite = {
5444			.cipher = __VECS(sm4_ofb_tv_template)
5445		}
5446	}, {
5447		.alg = "pcbc(fcrypt)",
5448		.test = alg_test_skcipher,
5449		.suite = {
5450			.cipher = __VECS(fcrypt_pcbc_tv_template)
5451		}
5452	}, {
5453		.alg = "pkcs1pad(rsa,sha224)",
5454		.test = alg_test_null,
5455		.fips_allowed = 1,
5456	}, {
5457		.alg = "pkcs1pad(rsa,sha256)",
5458		.test = alg_test_akcipher,
5459		.fips_allowed = 1,
5460		.suite = {
5461			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5462		}
5463	}, {
5464		.alg = "pkcs1pad(rsa,sha384)",
5465		.test = alg_test_null,
5466		.fips_allowed = 1,
5467	}, {
5468		.alg = "pkcs1pad(rsa,sha512)",
5469		.test = alg_test_null,
5470		.fips_allowed = 1,
5471	}, {
5472		.alg = "poly1305",
5473		.test = alg_test_hash,
5474		.suite = {
5475			.hash = __VECS(poly1305_tv_template)
5476		}
5477	}, {
5478		.alg = "polyval",
5479		.test = alg_test_hash,
5480		.suite = {
5481			.hash = __VECS(polyval_tv_template)
5482		}
5483	}, {
5484		.alg = "rfc3686(ctr(aes))",
5485		.test = alg_test_skcipher,
5486		.fips_allowed = 1,
5487		.suite = {
5488			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5489		}
5490	}, {
5491		.alg = "rfc3686(ctr(sm4))",
5492		.test = alg_test_skcipher,
5493		.suite = {
5494			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5495		}
5496	}, {
5497		.alg = "rfc4106(gcm(aes))",
5498		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5499		.test = alg_test_aead,
5500		.fips_allowed = 1,
5501		.suite = {
5502			.aead = {
5503				____VECS(aes_gcm_rfc4106_tv_template),
5504				.einval_allowed = 1,
5505				.aad_iv = 1,
5506			}
5507		}
5508	}, {
5509		.alg = "rfc4309(ccm(aes))",
5510		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5511		.test = alg_test_aead,
5512		.fips_allowed = 1,
5513		.suite = {
5514			.aead = {
5515				____VECS(aes_ccm_rfc4309_tv_template),
5516				.einval_allowed = 1,
5517				.aad_iv = 1,
5518			}
5519		}
5520	}, {
5521		.alg = "rfc4543(gcm(aes))",
5522		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5523		.test = alg_test_aead,
5524		.suite = {
5525			.aead = {
5526				____VECS(aes_gcm_rfc4543_tv_template),
5527				.einval_allowed = 1,
5528				.aad_iv = 1,
5529			}
5530		}
5531	}, {
5532		.alg = "rfc7539(chacha20,poly1305)",
5533		.test = alg_test_aead,
5534		.suite = {
5535			.aead = __VECS(rfc7539_tv_template)
5536		}
5537	}, {
5538		.alg = "rfc7539esp(chacha20,poly1305)",
5539		.test = alg_test_aead,
5540		.suite = {
5541			.aead = {
5542				____VECS(rfc7539esp_tv_template),
5543				.einval_allowed = 1,
5544				.aad_iv = 1,
5545			}
5546		}
5547	}, {
5548		.alg = "rmd160",
5549		.test = alg_test_hash,
5550		.suite = {
5551			.hash = __VECS(rmd160_tv_template)
5552		}
5553	}, {
5554		.alg = "rsa",
5555		.test = alg_test_akcipher,
5556		.fips_allowed = 1,
5557		.suite = {
5558			.akcipher = __VECS(rsa_tv_template)
5559		}
5560	}, {
5561		.alg = "sha1",
5562		.test = alg_test_hash,
5563		.fips_allowed = 1,
5564		.suite = {
5565			.hash = __VECS(sha1_tv_template)
5566		}
5567	}, {
5568		.alg = "sha224",
5569		.test = alg_test_hash,
5570		.fips_allowed = 1,
5571		.suite = {
5572			.hash = __VECS(sha224_tv_template)
5573		}
5574	}, {
5575		.alg = "sha256",
5576		.test = alg_test_hash,
5577		.fips_allowed = 1,
5578		.suite = {
5579			.hash = __VECS(sha256_tv_template)
5580		}
5581	}, {
5582		.alg = "sha3-224",
5583		.test = alg_test_hash,
5584		.fips_allowed = 1,
5585		.suite = {
5586			.hash = __VECS(sha3_224_tv_template)
5587		}
5588	}, {
5589		.alg = "sha3-256",
5590		.test = alg_test_hash,
5591		.fips_allowed = 1,
5592		.suite = {
5593			.hash = __VECS(sha3_256_tv_template)
5594		}
5595	}, {
5596		.alg = "sha3-384",
5597		.test = alg_test_hash,
5598		.fips_allowed = 1,
5599		.suite = {
5600			.hash = __VECS(sha3_384_tv_template)
5601		}
5602	}, {
5603		.alg = "sha3-512",
5604		.test = alg_test_hash,
5605		.fips_allowed = 1,
5606		.suite = {
5607			.hash = __VECS(sha3_512_tv_template)
5608		}
5609	}, {
5610		.alg = "sha384",
5611		.test = alg_test_hash,
5612		.fips_allowed = 1,
5613		.suite = {
5614			.hash = __VECS(sha384_tv_template)
5615		}
5616	}, {
5617		.alg = "sha512",
5618		.test = alg_test_hash,
5619		.fips_allowed = 1,
5620		.suite = {
5621			.hash = __VECS(sha512_tv_template)
5622		}
5623	}, {
5624		.alg = "sm2",
5625		.test = alg_test_akcipher,
5626		.suite = {
5627			.akcipher = __VECS(sm2_tv_template)
5628		}
5629	}, {
5630		.alg = "sm3",
5631		.test = alg_test_hash,
5632		.suite = {
5633			.hash = __VECS(sm3_tv_template)
5634		}
5635	}, {
5636		.alg = "streebog256",
5637		.test = alg_test_hash,
5638		.suite = {
5639			.hash = __VECS(streebog256_tv_template)
5640		}
5641	}, {
5642		.alg = "streebog512",
5643		.test = alg_test_hash,
5644		.suite = {
5645			.hash = __VECS(streebog512_tv_template)
5646		}
5647	}, {
5648		.alg = "vmac64(aes)",
5649		.test = alg_test_hash,
5650		.suite = {
5651			.hash = __VECS(vmac64_aes_tv_template)
5652		}
5653	}, {
5654		.alg = "wp256",
5655		.test = alg_test_hash,
5656		.suite = {
5657			.hash = __VECS(wp256_tv_template)
5658		}
5659	}, {
5660		.alg = "wp384",
5661		.test = alg_test_hash,
5662		.suite = {
5663			.hash = __VECS(wp384_tv_template)
5664		}
5665	}, {
5666		.alg = "wp512",
5667		.test = alg_test_hash,
5668		.suite = {
5669			.hash = __VECS(wp512_tv_template)
5670		}
5671	}, {
5672		.alg = "xcbc(aes)",
5673		.test = alg_test_hash,
5674		.suite = {
5675			.hash = __VECS(aes_xcbc128_tv_template)
5676		}
5677	}, {
5678		.alg = "xcbc(sm4)",
5679		.test = alg_test_hash,
5680		.suite = {
5681			.hash = __VECS(sm4_xcbc128_tv_template)
5682		}
5683	}, {
5684		.alg = "xchacha12",
5685		.test = alg_test_skcipher,
5686		.suite = {
5687			.cipher = __VECS(xchacha12_tv_template)
5688		},
5689	}, {
5690		.alg = "xchacha20",
5691		.test = alg_test_skcipher,
5692		.suite = {
5693			.cipher = __VECS(xchacha20_tv_template)
5694		},
5695	}, {
5696		.alg = "xctr(aes)",
5697		.test = alg_test_skcipher,
5698		.suite = {
5699			.cipher = __VECS(aes_xctr_tv_template)
5700		}
5701	}, {
5702		.alg = "xts(aes)",
5703		.generic_driver = "xts(ecb(aes-generic))",
5704		.test = alg_test_skcipher,
5705		.fips_allowed = 1,
5706		.suite = {
5707			.cipher = __VECS(aes_xts_tv_template)
5708		}
5709	}, {
5710		.alg = "xts(camellia)",
5711		.generic_driver = "xts(ecb(camellia-generic))",
5712		.test = alg_test_skcipher,
5713		.suite = {
5714			.cipher = __VECS(camellia_xts_tv_template)
5715		}
5716	}, {
5717		.alg = "xts(cast6)",
5718		.generic_driver = "xts(ecb(cast6-generic))",
5719		.test = alg_test_skcipher,
5720		.suite = {
5721			.cipher = __VECS(cast6_xts_tv_template)
5722		}
5723	}, {
5724		/* Same as xts(aes) except the key is stored in
5725		 * hardware secure memory which we reference by index
5726		 */
5727		.alg = "xts(paes)",
5728		.test = alg_test_null,
5729		.fips_allowed = 1,
5730	}, {
5731		.alg = "xts(serpent)",
5732		.generic_driver = "xts(ecb(serpent-generic))",
5733		.test = alg_test_skcipher,
5734		.suite = {
5735			.cipher = __VECS(serpent_xts_tv_template)
5736		}
5737	}, {
5738		.alg = "xts(sm4)",
5739		.generic_driver = "xts(ecb(sm4-generic))",
5740		.test = alg_test_skcipher,
5741		.suite = {
5742			.cipher = __VECS(sm4_xts_tv_template)
5743		}
5744	}, {
5745		.alg = "xts(twofish)",
5746		.generic_driver = "xts(ecb(twofish-generic))",
5747		.test = alg_test_skcipher,
5748		.suite = {
5749			.cipher = __VECS(tf_xts_tv_template)
5750		}
5751	}, {
5752#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5753		.alg = "xts-paes-s390",
5754		.fips_allowed = 1,
5755		.test = alg_test_skcipher,
5756		.suite = {
5757			.cipher = __VECS(aes_xts_tv_template)
5758		}
5759	}, {
5760#endif
5761		.alg = "xts4096(paes)",
5762		.test = alg_test_null,
5763		.fips_allowed = 1,
5764	}, {
5765		.alg = "xts512(paes)",
5766		.test = alg_test_null,
5767		.fips_allowed = 1,
5768	}, {
5769		.alg = "xxhash64",
5770		.test = alg_test_hash,
5771		.fips_allowed = 1,
5772		.suite = {
5773			.hash = __VECS(xxhash64_tv_template)
5774		}
5775	}, {
5776		.alg = "zlib-deflate",
5777		.test = alg_test_comp,
5778		.fips_allowed = 1,
5779		.suite = {
5780			.comp = {
5781				.comp = __VECS(zlib_deflate_comp_tv_template),
5782				.decomp = __VECS(zlib_deflate_decomp_tv_template)
5783			}
5784		}
5785	}, {
5786		.alg = "zstd",
5787		.test = alg_test_comp,
5788		.fips_allowed = 1,
5789		.suite = {
5790			.comp = {
5791				.comp = __VECS(zstd_comp_tv_template),
5792				.decomp = __VECS(zstd_decomp_tv_template)
5793			}
5794		}
5795	}
5796};
5797
5798static void alg_check_test_descs_order(void)
5799{
5800	int i;
5801
5802	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5803		int diff = strcmp(alg_test_descs[i - 1].alg,
5804				  alg_test_descs[i].alg);
5805
5806		if (WARN_ON(diff > 0)) {
5807			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5808				alg_test_descs[i - 1].alg,
5809				alg_test_descs[i].alg);
5810		}
5811
5812		if (WARN_ON(diff == 0)) {
5813			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5814				alg_test_descs[i].alg);
5815		}
5816	}
5817}
5818
5819static void alg_check_testvec_configs(void)
5820{
5821	int i;
5822
5823	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5824		WARN_ON(!valid_testvec_config(
5825				&default_cipher_testvec_configs[i]));
5826
5827	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5828		WARN_ON(!valid_testvec_config(
5829				&default_hash_testvec_configs[i]));
5830}
5831
5832static void testmgr_onetime_init(void)
5833{
5834	alg_check_test_descs_order();
5835	alg_check_testvec_configs();
5836
5837#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5838	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5839#endif
5840}
5841
5842static int alg_find_test(const char *alg)
5843{
5844	int start = 0;
5845	int end = ARRAY_SIZE(alg_test_descs);
5846
5847	while (start < end) {
5848		int i = (start + end) / 2;
5849		int diff = strcmp(alg_test_descs[i].alg, alg);
5850
5851		if (diff > 0) {
5852			end = i;
5853			continue;
5854		}
5855
5856		if (diff < 0) {
5857			start = i + 1;
5858			continue;
5859		}
5860
5861		return i;
5862	}
5863
5864	return -1;
5865}
5866
5867static int alg_fips_disabled(const char *driver, const char *alg)
5868{
5869	pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5870
5871	return -ECANCELED;
5872}
5873
5874int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5875{
5876	int i;
5877	int j;
5878	int rc;
5879
5880	if (!fips_enabled && notests) {
5881		printk_once(KERN_INFO "alg: self-tests disabled\n");
5882		return 0;
5883	}
5884
5885	DO_ONCE(testmgr_onetime_init);
5886
5887	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5888		char nalg[CRYPTO_MAX_ALG_NAME];
5889
5890		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5891		    sizeof(nalg))
5892			return -ENAMETOOLONG;
5893
5894		i = alg_find_test(nalg);
5895		if (i < 0)
5896			goto notest;
5897
5898		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5899			goto non_fips_alg;
5900
5901		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5902		goto test_done;
5903	}
5904
5905	i = alg_find_test(alg);
5906	j = alg_find_test(driver);
5907	if (i < 0 && j < 0)
5908		goto notest;
5909
5910	if (fips_enabled) {
5911		if (j >= 0 && !alg_test_descs[j].fips_allowed)
5912			return -EINVAL;
5913
5914		if (i >= 0 && !alg_test_descs[i].fips_allowed)
5915			goto non_fips_alg;
5916	}
5917
5918	rc = 0;
5919	if (i >= 0)
5920		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5921					     type, mask);
5922	if (j >= 0 && j != i)
5923		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5924					     type, mask);
5925
5926test_done:
5927	if (rc) {
5928		if (fips_enabled || panic_on_fail) {
5929			fips_fail_notify();
5930			panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5931			      driver, alg,
5932			      fips_enabled ? "fips" : "panic_on_fail");
5933		}
5934		pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5935			alg, driver, rc);
5936		WARN(rc != -ENOENT,
5937		     "alg: self-tests for %s using %s failed (rc=%d)",
5938		     alg, driver, rc);
5939	} else {
5940		if (fips_enabled)
5941			pr_info("alg: self-tests for %s (%s) passed\n",
5942				driver, alg);
5943	}
5944
5945	return rc;
5946
5947notest:
5948	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5949
5950	if (type & CRYPTO_ALG_FIPS_INTERNAL)
5951		return alg_fips_disabled(driver, alg);
5952
5953	return 0;
5954non_fips_alg:
5955	return alg_fips_disabled(driver, alg);
5956}
5957
5958#endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5959
5960EXPORT_SYMBOL_GPL(alg_test);
5961