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 = "uneven misaligned splits, may sleep",
 361		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 362		.src_divs = {
 363			{ .proportion_of_total = 1900, .offset = 33 },
 364			{ .proportion_of_total = 3300, .offset = 7  },
 365			{ .proportion_of_total = 4800, .offset = 18 },
 366		},
 367		.iv_offset = 3,
 368		.key_offset = 3,
 369	}, {
 370		.name = "misaligned splits crossing pages, inplace",
 371		.inplace_mode = INPLACE_ONE_SGLIST,
 372		.src_divs = {
 373			{
 374				.proportion_of_total = 7500,
 375				.offset = PAGE_SIZE - 32
 376			}, {
 377				.proportion_of_total = 2500,
 378				.offset = PAGE_SIZE - 7
 379			},
 380		},
 381	}
 382};
 383
 384static const struct testvec_config default_hash_testvec_configs[] = {
 385	{
 386		.name = "init+update+final aligned buffer",
 387		.src_divs = { { .proportion_of_total = 10000 } },
 388		.finalization_type = FINALIZATION_TYPE_FINAL,
 389	}, {
 390		.name = "init+finup aligned buffer",
 391		.src_divs = { { .proportion_of_total = 10000 } },
 392		.finalization_type = FINALIZATION_TYPE_FINUP,
 393	}, {
 394		.name = "digest aligned buffer",
 395		.src_divs = { { .proportion_of_total = 10000 } },
 396		.finalization_type = FINALIZATION_TYPE_DIGEST,
 397	}, {
 398		.name = "init+update+final misaligned buffer",
 399		.src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 400		.finalization_type = FINALIZATION_TYPE_FINAL,
 401		.key_offset = 1,
 402	}, {
 403		.name = "digest buffer aligned only to alignmask",
 404		.src_divs = {
 405			{
 406				.proportion_of_total = 10000,
 407				.offset = 1,
 408				.offset_relative_to_alignmask = true,
 409			},
 410		},
 411		.finalization_type = FINALIZATION_TYPE_DIGEST,
 412		.key_offset = 1,
 413		.key_offset_relative_to_alignmask = true,
 414	}, {
 415		.name = "init+update+update+final two even splits",
 416		.src_divs = {
 417			{ .proportion_of_total = 5000 },
 418			{
 419				.proportion_of_total = 5000,
 420				.flush_type = FLUSH_TYPE_FLUSH,
 421			},
 422		},
 423		.finalization_type = FINALIZATION_TYPE_FINAL,
 424	}, {
 425		.name = "digest uneven misaligned splits, may sleep",
 426		.req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 427		.src_divs = {
 428			{ .proportion_of_total = 1900, .offset = 33 },
 429			{ .proportion_of_total = 3300, .offset = 7  },
 430			{ .proportion_of_total = 4800, .offset = 18 },
 431		},
 432		.finalization_type = FINALIZATION_TYPE_DIGEST,
 433	}, {
 434		.name = "digest misaligned splits crossing pages",
 435		.src_divs = {
 436			{
 437				.proportion_of_total = 7500,
 438				.offset = PAGE_SIZE - 32,
 439			}, {
 440				.proportion_of_total = 2500,
 441				.offset = PAGE_SIZE - 7,
 442			},
 443		},
 444		.finalization_type = FINALIZATION_TYPE_DIGEST,
 445	}, {
 446		.name = "import/export",
 447		.src_divs = {
 448			{
 449				.proportion_of_total = 6500,
 450				.flush_type = FLUSH_TYPE_REIMPORT,
 451			}, {
 452				.proportion_of_total = 3500,
 453				.flush_type = FLUSH_TYPE_REIMPORT,
 454			},
 455		},
 456		.finalization_type = FINALIZATION_TYPE_FINAL,
 457	}
 458};
 459
 460static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 461{
 462	unsigned int remaining = TEST_SG_TOTAL;
 463	unsigned int ndivs = 0;
 464
 465	do {
 466		remaining -= divs[ndivs++].proportion_of_total;
 467	} while (remaining);
 468
 469	return ndivs;
 470}
 471
 472#define SGDIVS_HAVE_FLUSHES	BIT(0)
 473#define SGDIVS_HAVE_NOSIMD	BIT(1)
 474
 475static bool valid_sg_divisions(const struct test_sg_division *divs,
 476			       unsigned int count, int *flags_ret)
 477{
 478	unsigned int total = 0;
 479	unsigned int i;
 480
 481	for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 482		if (divs[i].proportion_of_total <= 0 ||
 483		    divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 484			return false;
 485		total += divs[i].proportion_of_total;
 486		if (divs[i].flush_type != FLUSH_TYPE_NONE)
 487			*flags_ret |= SGDIVS_HAVE_FLUSHES;
 488		if (divs[i].nosimd)
 489			*flags_ret |= SGDIVS_HAVE_NOSIMD;
 490	}
 491	return total == TEST_SG_TOTAL &&
 492		memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 493}
 494
 495/*
 496 * Check whether the given testvec_config is valid.  This isn't strictly needed
 497 * since every testvec_config should be valid, but check anyway so that people
 498 * don't unknowingly add broken configs that don't do what they wanted.
 499 */
 500static bool valid_testvec_config(const struct testvec_config *cfg)
 501{
 502	int flags = 0;
 503
 504	if (cfg->name == NULL)
 505		return false;
 506
 507	if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 508				&flags))
 509		return false;
 510
 511	if (cfg->dst_divs[0].proportion_of_total) {
 512		if (!valid_sg_divisions(cfg->dst_divs,
 513					ARRAY_SIZE(cfg->dst_divs), &flags))
 514			return false;
 515	} else {
 516		if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 517			return false;
 518		/* defaults to dst_divs=src_divs */
 519	}
 520
 521	if (cfg->iv_offset +
 522	    (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 523	    MAX_ALGAPI_ALIGNMASK + 1)
 524		return false;
 525
 526	if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 527	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 528		return false;
 529
 530	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 531	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 532		return false;
 533
 534	return true;
 535}
 536
 537struct test_sglist {
 538	char *bufs[XBUFSIZE];
 539	struct scatterlist sgl[XBUFSIZE];
 540	struct scatterlist sgl_saved[XBUFSIZE];
 541	struct scatterlist *sgl_ptr;
 542	unsigned int nents;
 543};
 544
 545static int init_test_sglist(struct test_sglist *tsgl)
 546{
 547	return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 548}
 549
 550static void destroy_test_sglist(struct test_sglist *tsgl)
 551{
 552	return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 553}
 554
 555/**
 556 * build_test_sglist() - build a scatterlist for a crypto test
 557 *
 558 * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 559 *	  buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 560 * @divs: the layout specification on which the scatterlist will be based
 561 * @alignmask: the algorithm's alignmask
 562 * @total_len: the total length of the scatterlist to build in bytes
 563 * @data: if non-NULL, the buffers will be filled with this data until it ends.
 564 *	  Otherwise the buffers will be poisoned.  In both cases, some bytes
 565 *	  past the end of each buffer will be poisoned to help detect overruns.
 566 * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 567 *	      corresponds will be returned here.  This will match @divs except
 568 *	      that divisions resolving to a length of 0 are omitted as they are
 569 *	      not included in the scatterlist.
 570 *
 571 * Return: 0 or a -errno value
 572 */
 573static int build_test_sglist(struct test_sglist *tsgl,
 574			     const struct test_sg_division *divs,
 575			     const unsigned int alignmask,
 576			     const unsigned int total_len,
 577			     struct iov_iter *data,
 578			     const struct test_sg_division *out_divs[XBUFSIZE])
 579{
 580	struct {
 581		const struct test_sg_division *div;
 582		size_t length;
 583	} partitions[XBUFSIZE];
 584	const unsigned int ndivs = count_test_sg_divisions(divs);
 585	unsigned int len_remaining = total_len;
 586	unsigned int i;
 587
 588	BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 589	if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 590		return -EINVAL;
 591
 592	/* Calculate the (div, length) pairs */
 593	tsgl->nents = 0;
 594	for (i = 0; i < ndivs; i++) {
 595		unsigned int len_this_sg =
 596			min(len_remaining,
 597			    (total_len * divs[i].proportion_of_total +
 598			     TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 599
 600		if (len_this_sg != 0) {
 601			partitions[tsgl->nents].div = &divs[i];
 602			partitions[tsgl->nents].length = len_this_sg;
 603			tsgl->nents++;
 604			len_remaining -= len_this_sg;
 605		}
 606	}
 607	if (tsgl->nents == 0) {
 608		partitions[tsgl->nents].div = &divs[0];
 609		partitions[tsgl->nents].length = 0;
 610		tsgl->nents++;
 611	}
 612	partitions[tsgl->nents - 1].length += len_remaining;
 613
 614	/* Set up the sgl entries and fill the data or poison */
 615	sg_init_table(tsgl->sgl, tsgl->nents);
 616	for (i = 0; i < tsgl->nents; i++) {
 617		unsigned int offset = partitions[i].div->offset;
 618		void *addr;
 619
 620		if (partitions[i].div->offset_relative_to_alignmask)
 621			offset += alignmask;
 622
 623		while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 624		       2 * PAGE_SIZE) {
 625			if (WARN_ON(offset <= 0))
 626				return -EINVAL;
 627			offset /= 2;
 628		}
 629
 630		addr = &tsgl->bufs[i][offset];
 631		sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 632
 633		if (out_divs)
 634			out_divs[i] = partitions[i].div;
 635
 636		if (data) {
 637			size_t copy_len, copied;
 638
 639			copy_len = min(partitions[i].length, data->count);
 640			copied = copy_from_iter(addr, copy_len, data);
 641			if (WARN_ON(copied != copy_len))
 642				return -EINVAL;
 643			testmgr_poison(addr + copy_len, partitions[i].length +
 644				       TESTMGR_POISON_LEN - copy_len);
 645		} else {
 646			testmgr_poison(addr, partitions[i].length +
 647				       TESTMGR_POISON_LEN);
 648		}
 649	}
 650
 651	sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 652	tsgl->sgl_ptr = tsgl->sgl;
 653	memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 654	return 0;
 655}
 656
 657/*
 658 * Verify that a scatterlist crypto operation produced the correct output.
 659 *
 660 * @tsgl: scatterlist containing the actual output
 661 * @expected_output: buffer containing the expected output
 662 * @len_to_check: length of @expected_output in bytes
 663 * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 664 * @check_poison: verify that the poison bytes after each chunk are intact?
 665 *
 666 * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 667 */
 668static int verify_correct_output(const struct test_sglist *tsgl,
 669				 const char *expected_output,
 670				 unsigned int len_to_check,
 671				 unsigned int unchecked_prefix_len,
 672				 bool check_poison)
 673{
 674	unsigned int i;
 675
 676	for (i = 0; i < tsgl->nents; i++) {
 677		struct scatterlist *sg = &tsgl->sgl_ptr[i];
 678		unsigned int len = sg->length;
 679		unsigned int offset = sg->offset;
 680		const char *actual_output;
 681
 682		if (unchecked_prefix_len) {
 683			if (unchecked_prefix_len >= len) {
 684				unchecked_prefix_len -= len;
 685				continue;
 686			}
 687			offset += unchecked_prefix_len;
 688			len -= unchecked_prefix_len;
 689			unchecked_prefix_len = 0;
 690		}
 691		len = min(len, len_to_check);
 692		actual_output = page_address(sg_page(sg)) + offset;
 693		if (memcmp(expected_output, actual_output, len) != 0)
 694			return -EINVAL;
 695		if (check_poison &&
 696		    !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 697			return -EOVERFLOW;
 698		len_to_check -= len;
 699		expected_output += len;
 700	}
 701	if (WARN_ON(len_to_check != 0))
 702		return -EINVAL;
 703	return 0;
 704}
 705
 706static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 707{
 708	unsigned int i;
 709
 710	for (i = 0; i < tsgl->nents; i++) {
 711		if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 712			return true;
 713		if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 714			return true;
 715		if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 716			return true;
 717	}
 718	return false;
 719}
 720
 721struct cipher_test_sglists {
 722	struct test_sglist src;
 723	struct test_sglist dst;
 724};
 725
 726static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 727{
 728	struct cipher_test_sglists *tsgls;
 729
 730	tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 731	if (!tsgls)
 732		return NULL;
 733
 734	if (init_test_sglist(&tsgls->src) != 0)
 735		goto fail_kfree;
 736	if (init_test_sglist(&tsgls->dst) != 0)
 737		goto fail_destroy_src;
 738
 739	return tsgls;
 740
 741fail_destroy_src:
 742	destroy_test_sglist(&tsgls->src);
 743fail_kfree:
 744	kfree(tsgls);
 745	return NULL;
 746}
 747
 748static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 749{
 750	if (tsgls) {
 751		destroy_test_sglist(&tsgls->src);
 752		destroy_test_sglist(&tsgls->dst);
 753		kfree(tsgls);
 754	}
 755}
 756
 757/* Build the src and dst scatterlists for an skcipher or AEAD test */
 758static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 759				     const struct testvec_config *cfg,
 760				     unsigned int alignmask,
 761				     unsigned int src_total_len,
 762				     unsigned int dst_total_len,
 763				     const struct kvec *inputs,
 764				     unsigned int nr_inputs)
 765{
 766	struct iov_iter input;
 767	int err;
 768
 769	iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
 770	err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 771				cfg->inplace_mode != OUT_OF_PLACE ?
 772					max(dst_total_len, src_total_len) :
 773					src_total_len,
 774				&input, NULL);
 775	if (err)
 776		return err;
 777
 778	/*
 779	 * In-place crypto operations can use the same scatterlist for both the
 780	 * source and destination (req->src == req->dst), or can use separate
 781	 * scatterlists (req->src != req->dst) which point to the same
 782	 * underlying memory.  Make sure to test both cases.
 783	 */
 784	if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
 785		tsgls->dst.sgl_ptr = tsgls->src.sgl;
 786		tsgls->dst.nents = tsgls->src.nents;
 787		return 0;
 788	}
 789	if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
 790		/*
 791		 * For now we keep it simple and only test the case where the
 792		 * two scatterlists have identical entries, rather than
 793		 * different entries that split up the same memory differently.
 794		 */
 795		memcpy(tsgls->dst.sgl, tsgls->src.sgl,
 796		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 797		memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
 798		       tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 799		tsgls->dst.sgl_ptr = tsgls->dst.sgl;
 800		tsgls->dst.nents = tsgls->src.nents;
 801		return 0;
 802	}
 803	/* Out of place */
 804	return build_test_sglist(&tsgls->dst,
 805				 cfg->dst_divs[0].proportion_of_total ?
 806					cfg->dst_divs : cfg->src_divs,
 807				 alignmask, dst_total_len, NULL, NULL);
 808}
 809
 810/*
 811 * Support for testing passing a misaligned key to setkey():
 812 *
 813 * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 814 * optionally adding alignmask.  Else, just use the key directly.
 815 */
 816static int prepare_keybuf(const u8 *key, unsigned int ksize,
 817			  const struct testvec_config *cfg,
 818			  unsigned int alignmask,
 819			  const u8 **keybuf_ret, const u8 **keyptr_ret)
 820{
 821	unsigned int key_offset = cfg->key_offset;
 822	u8 *keybuf = NULL, *keyptr = (u8 *)key;
 823
 824	if (key_offset != 0) {
 825		if (cfg->key_offset_relative_to_alignmask)
 826			key_offset += alignmask;
 827		keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 828		if (!keybuf)
 829			return -ENOMEM;
 830		keyptr = keybuf + key_offset;
 831		memcpy(keyptr, key, ksize);
 832	}
 833	*keybuf_ret = keybuf;
 834	*keyptr_ret = keyptr;
 835	return 0;
 836}
 837
 838/* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 839#define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
 840({									\
 841	const u8 *keybuf, *keyptr;					\
 842	int err;							\
 843									\
 844	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
 845			     &keybuf, &keyptr);				\
 846	if (err == 0) {							\
 847		err = setkey_f((tfm), keyptr, (ksize));			\
 848		kfree(keybuf);						\
 849	}								\
 850	err;								\
 851})
 852
 853#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 854
 855/* Generate a random length in range [0, max_len], but prefer smaller values */
 856static unsigned int generate_random_length(unsigned int max_len)
 857{
 858	unsigned int len = get_random_u32_below(max_len + 1);
 859
 860	switch (get_random_u32_below(4)) {
 861	case 0:
 862		return len % 64;
 863	case 1:
 864		return len % 256;
 865	case 2:
 866		return len % 1024;
 867	default:
 868		return len;
 869	}
 870}
 871
 872/* Flip a random bit in the given nonempty data buffer */
 873static void flip_random_bit(u8 *buf, size_t size)
 874{
 875	size_t bitpos;
 876
 877	bitpos = get_random_u32_below(size * 8);
 878	buf[bitpos / 8] ^= 1 << (bitpos % 8);
 879}
 880
 881/* Flip a random byte in the given nonempty data buffer */
 882static void flip_random_byte(u8 *buf, size_t size)
 883{
 884	buf[get_random_u32_below(size)] ^= 0xff;
 885}
 886
 887/* Sometimes make some random changes to the given nonempty data buffer */
 888static void mutate_buffer(u8 *buf, size_t size)
 889{
 890	size_t num_flips;
 891	size_t i;
 
 892
 893	/* Sometimes flip some bits */
 894	if (get_random_u32_below(4) == 0) {
 895		num_flips = min_t(size_t, 1 << get_random_u32_below(8), size * 8);
 896		for (i = 0; i < num_flips; i++)
 897			flip_random_bit(buf, size);
 
 
 898	}
 899
 900	/* Sometimes flip some bytes */
 901	if (get_random_u32_below(4) == 0) {
 902		num_flips = min_t(size_t, 1 << get_random_u32_below(8), size);
 903		for (i = 0; i < num_flips; i++)
 904			flip_random_byte(buf, size);
 905	}
 906}
 907
 908/* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 909static void generate_random_bytes(u8 *buf, size_t count)
 910{
 911	u8 b;
 912	u8 increment;
 913	size_t i;
 914
 915	if (count == 0)
 916		return;
 917
 918	switch (get_random_u32_below(8)) { /* Choose a generation strategy */
 919	case 0:
 920	case 1:
 921		/* All the same byte, plus optional mutations */
 922		switch (get_random_u32_below(4)) {
 923		case 0:
 924			b = 0x00;
 925			break;
 926		case 1:
 927			b = 0xff;
 928			break;
 929		default:
 930			b = get_random_u8();
 931			break;
 932		}
 933		memset(buf, b, count);
 934		mutate_buffer(buf, count);
 935		break;
 936	case 2:
 937		/* Ascending or descending bytes, plus optional mutations */
 938		increment = get_random_u8();
 939		b = get_random_u8();
 940		for (i = 0; i < count; i++, b += increment)
 941			buf[i] = b;
 942		mutate_buffer(buf, count);
 943		break;
 944	default:
 945		/* Fully random bytes */
 946		for (i = 0; i < count; i++)
 947			buf[i] = get_random_u8();
 948	}
 949}
 950
 951static char *generate_random_sgl_divisions(struct test_sg_division *divs,
 952					   size_t max_divs, char *p, char *end,
 953					   bool gen_flushes, u32 req_flags)
 954{
 955	struct test_sg_division *div = divs;
 956	unsigned int remaining = TEST_SG_TOTAL;
 957
 958	do {
 959		unsigned int this_len;
 960		const char *flushtype_str;
 961
 962		if (div == &divs[max_divs - 1] || get_random_u32_below(2) == 0)
 963			this_len = remaining;
 964		else
 965			this_len = get_random_u32_inclusive(1, remaining);
 966		div->proportion_of_total = this_len;
 967
 968		if (get_random_u32_below(4) == 0)
 969			div->offset = get_random_u32_inclusive(PAGE_SIZE - 128, PAGE_SIZE - 1);
 970		else if (get_random_u32_below(2) == 0)
 971			div->offset = get_random_u32_below(32);
 972		else
 973			div->offset = get_random_u32_below(PAGE_SIZE);
 974		if (get_random_u32_below(8) == 0)
 975			div->offset_relative_to_alignmask = true;
 976
 977		div->flush_type = FLUSH_TYPE_NONE;
 978		if (gen_flushes) {
 979			switch (get_random_u32_below(4)) {
 980			case 0:
 981				div->flush_type = FLUSH_TYPE_REIMPORT;
 982				break;
 983			case 1:
 984				div->flush_type = FLUSH_TYPE_FLUSH;
 985				break;
 986			}
 987		}
 988
 989		if (div->flush_type != FLUSH_TYPE_NONE &&
 990		    !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
 991		    get_random_u32_below(2) == 0)
 992			div->nosimd = true;
 993
 994		switch (div->flush_type) {
 995		case FLUSH_TYPE_FLUSH:
 996			if (div->nosimd)
 997				flushtype_str = "<flush,nosimd>";
 998			else
 999				flushtype_str = "<flush>";
1000			break;
1001		case FLUSH_TYPE_REIMPORT:
1002			if (div->nosimd)
1003				flushtype_str = "<reimport,nosimd>";
1004			else
1005				flushtype_str = "<reimport>";
1006			break;
1007		default:
1008			flushtype_str = "";
1009			break;
1010		}
1011
1012		BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1013		p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1014			       this_len / 100, this_len % 100,
1015			       div->offset_relative_to_alignmask ?
1016					"alignmask" : "",
1017			       div->offset, this_len == remaining ? "" : ", ");
1018		remaining -= this_len;
1019		div++;
1020	} while (remaining);
1021
1022	return p;
1023}
1024
1025/* Generate a random testvec_config for fuzz testing */
1026static void generate_random_testvec_config(struct testvec_config *cfg,
1027					   char *name, size_t max_namelen)
1028{
1029	char *p = name;
1030	char * const end = name + max_namelen;
1031
1032	memset(cfg, 0, sizeof(*cfg));
1033
1034	cfg->name = name;
1035
1036	p += scnprintf(p, end - p, "random:");
1037
1038	switch (get_random_u32_below(4)) {
1039	case 0:
1040	case 1:
1041		cfg->inplace_mode = OUT_OF_PLACE;
1042		break;
1043	case 2:
1044		cfg->inplace_mode = INPLACE_ONE_SGLIST;
1045		p += scnprintf(p, end - p, " inplace_one_sglist");
1046		break;
1047	default:
1048		cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1049		p += scnprintf(p, end - p, " inplace_two_sglists");
1050		break;
1051	}
1052
1053	if (get_random_u32_below(2) == 0) {
1054		cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1055		p += scnprintf(p, end - p, " may_sleep");
1056	}
1057
1058	switch (get_random_u32_below(4)) {
1059	case 0:
1060		cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1061		p += scnprintf(p, end - p, " use_final");
1062		break;
1063	case 1:
1064		cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1065		p += scnprintf(p, end - p, " use_finup");
1066		break;
1067	default:
1068		cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1069		p += scnprintf(p, end - p, " use_digest");
1070		break;
1071	}
1072
1073	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1074	    get_random_u32_below(2) == 0) {
1075		cfg->nosimd = true;
1076		p += scnprintf(p, end - p, " nosimd");
1077	}
1078
1079	p += scnprintf(p, end - p, " src_divs=[");
1080	p = generate_random_sgl_divisions(cfg->src_divs,
1081					  ARRAY_SIZE(cfg->src_divs), p, end,
1082					  (cfg->finalization_type !=
1083					   FINALIZATION_TYPE_DIGEST),
1084					  cfg->req_flags);
1085	p += scnprintf(p, end - p, "]");
1086
1087	if (cfg->inplace_mode == OUT_OF_PLACE && get_random_u32_below(2) == 0) {
1088		p += scnprintf(p, end - p, " dst_divs=[");
1089		p = generate_random_sgl_divisions(cfg->dst_divs,
1090						  ARRAY_SIZE(cfg->dst_divs),
1091						  p, end, false,
1092						  cfg->req_flags);
1093		p += scnprintf(p, end - p, "]");
1094	}
1095
1096	if (get_random_u32_below(2) == 0) {
1097		cfg->iv_offset = get_random_u32_inclusive(1, MAX_ALGAPI_ALIGNMASK);
1098		p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1099	}
1100
1101	if (get_random_u32_below(2) == 0) {
1102		cfg->key_offset = get_random_u32_inclusive(1, MAX_ALGAPI_ALIGNMASK);
1103		p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1104	}
1105
1106	WARN_ON_ONCE(!valid_testvec_config(cfg));
1107}
1108
1109static void crypto_disable_simd_for_test(void)
1110{
1111	migrate_disable();
1112	__this_cpu_write(crypto_simd_disabled_for_test, true);
1113}
1114
1115static void crypto_reenable_simd_for_test(void)
1116{
1117	__this_cpu_write(crypto_simd_disabled_for_test, false);
1118	migrate_enable();
1119}
1120
1121/*
1122 * Given an algorithm name, build the name of the generic implementation of that
1123 * algorithm, assuming the usual naming convention.  Specifically, this appends
1124 * "-generic" to every part of the name that is not a template name.  Examples:
1125 *
1126 *	aes => aes-generic
1127 *	cbc(aes) => cbc(aes-generic)
1128 *	cts(cbc(aes)) => cts(cbc(aes-generic))
1129 *	rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1130 *
1131 * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1132 */
1133static int build_generic_driver_name(const char *algname,
1134				     char driver_name[CRYPTO_MAX_ALG_NAME])
1135{
1136	const char *in = algname;
1137	char *out = driver_name;
1138	size_t len = strlen(algname);
1139
1140	if (len >= CRYPTO_MAX_ALG_NAME)
1141		goto too_long;
1142	do {
1143		const char *in_saved = in;
1144
1145		while (*in && *in != '(' && *in != ')' && *in != ',')
1146			*out++ = *in++;
1147		if (*in != '(' && in > in_saved) {
1148			len += 8;
1149			if (len >= CRYPTO_MAX_ALG_NAME)
1150				goto too_long;
1151			memcpy(out, "-generic", 8);
1152			out += 8;
1153		}
1154	} while ((*out++ = *in++) != '\0');
1155	return 0;
1156
1157too_long:
1158	pr_err("alg: generic driver name for \"%s\" would be too long\n",
1159	       algname);
1160	return -ENAMETOOLONG;
1161}
1162#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1163static void crypto_disable_simd_for_test(void)
1164{
1165}
1166
1167static void crypto_reenable_simd_for_test(void)
1168{
1169}
1170#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1171
1172static int build_hash_sglist(struct test_sglist *tsgl,
1173			     const struct hash_testvec *vec,
1174			     const struct testvec_config *cfg,
1175			     unsigned int alignmask,
1176			     const struct test_sg_division *divs[XBUFSIZE])
1177{
1178	struct kvec kv;
1179	struct iov_iter input;
1180
1181	kv.iov_base = (void *)vec->plaintext;
1182	kv.iov_len = vec->psize;
1183	iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1184	return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1185				 &input, divs);
1186}
1187
1188static int check_hash_result(const char *type,
1189			     const u8 *result, unsigned int digestsize,
1190			     const struct hash_testvec *vec,
1191			     const char *vec_name,
1192			     const char *driver,
1193			     const struct testvec_config *cfg)
1194{
1195	if (memcmp(result, vec->digest, digestsize) != 0) {
1196		pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1197		       type, driver, vec_name, cfg->name);
1198		return -EINVAL;
1199	}
1200	if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1201		pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1202		       type, driver, vec_name, cfg->name);
1203		return -EOVERFLOW;
1204	}
1205	return 0;
1206}
1207
1208static inline int check_shash_op(const char *op, int err,
1209				 const char *driver, const char *vec_name,
1210				 const struct testvec_config *cfg)
1211{
1212	if (err)
1213		pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1214		       driver, op, err, vec_name, cfg->name);
1215	return err;
1216}
1217
 
 
 
 
 
1218/* Test one hash test vector in one configuration, using the shash API */
1219static int test_shash_vec_cfg(const struct hash_testvec *vec,
 
1220			      const char *vec_name,
1221			      const struct testvec_config *cfg,
1222			      struct shash_desc *desc,
1223			      struct test_sglist *tsgl,
1224			      u8 *hashstate)
1225{
1226	struct crypto_shash *tfm = desc->tfm;
1227	const unsigned int alignmask = crypto_shash_alignmask(tfm);
1228	const unsigned int digestsize = crypto_shash_digestsize(tfm);
1229	const unsigned int statesize = crypto_shash_statesize(tfm);
1230	const char *driver = crypto_shash_driver_name(tfm);
1231	const struct test_sg_division *divs[XBUFSIZE];
1232	unsigned int i;
1233	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1234	int err;
1235
1236	/* Set the key, if specified */
1237	if (vec->ksize) {
1238		err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1239				cfg, alignmask);
1240		if (err) {
1241			if (err == vec->setkey_error)
1242				return 0;
1243			pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1244			       driver, vec_name, vec->setkey_error, err,
1245			       crypto_shash_get_flags(tfm));
1246			return err;
1247		}
1248		if (vec->setkey_error) {
1249			pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1250			       driver, vec_name, vec->setkey_error);
1251			return -EINVAL;
1252		}
1253	}
1254
1255	/* Build the scatterlist for the source data */
1256	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1257	if (err) {
1258		pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1259		       driver, vec_name, cfg->name);
1260		return err;
1261	}
1262
1263	/* Do the actual hashing */
1264
1265	testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1266	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1267
1268	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1269	    vec->digest_error) {
1270		/* Just using digest() */
1271		if (tsgl->nents != 1)
1272			return 0;
1273		if (cfg->nosimd)
1274			crypto_disable_simd_for_test();
1275		err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1276					  tsgl->sgl[0].length, result);
1277		if (cfg->nosimd)
1278			crypto_reenable_simd_for_test();
1279		if (err) {
1280			if (err == vec->digest_error)
1281				return 0;
1282			pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1283			       driver, vec_name, vec->digest_error, err,
1284			       cfg->name);
1285			return err;
1286		}
1287		if (vec->digest_error) {
1288			pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1289			       driver, vec_name, vec->digest_error, cfg->name);
1290			return -EINVAL;
1291		}
1292		goto result_ready;
1293	}
1294
1295	/* Using init(), zero or more update(), then final() or finup() */
1296
1297	if (cfg->nosimd)
1298		crypto_disable_simd_for_test();
1299	err = crypto_shash_init(desc);
1300	if (cfg->nosimd)
1301		crypto_reenable_simd_for_test();
1302	err = check_shash_op("init", err, driver, vec_name, cfg);
1303	if (err)
1304		return err;
1305
1306	for (i = 0; i < tsgl->nents; i++) {
1307		if (i + 1 == tsgl->nents &&
1308		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1309			if (divs[i]->nosimd)
1310				crypto_disable_simd_for_test();
1311			err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1312						 tsgl->sgl[i].length, result);
1313			if (divs[i]->nosimd)
1314				crypto_reenable_simd_for_test();
1315			err = check_shash_op("finup", err, driver, vec_name,
1316					     cfg);
1317			if (err)
1318				return err;
1319			goto result_ready;
1320		}
1321		if (divs[i]->nosimd)
1322			crypto_disable_simd_for_test();
1323		err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1324					  tsgl->sgl[i].length);
1325		if (divs[i]->nosimd)
1326			crypto_reenable_simd_for_test();
1327		err = check_shash_op("update", err, driver, vec_name, cfg);
1328		if (err)
1329			return err;
1330		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1331			/* Test ->export() and ->import() */
1332			testmgr_poison(hashstate + statesize,
1333				       TESTMGR_POISON_LEN);
1334			err = crypto_shash_export(desc, hashstate);
1335			err = check_shash_op("export", err, driver, vec_name,
1336					     cfg);
1337			if (err)
1338				return err;
1339			if (!testmgr_is_poison(hashstate + statesize,
1340					       TESTMGR_POISON_LEN)) {
1341				pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1342				       driver, vec_name, cfg->name);
1343				return -EOVERFLOW;
1344			}
1345			testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1346			err = crypto_shash_import(desc, hashstate);
1347			err = check_shash_op("import", err, driver, vec_name,
1348					     cfg);
1349			if (err)
1350				return err;
1351		}
1352	}
1353
1354	if (cfg->nosimd)
1355		crypto_disable_simd_for_test();
1356	err = crypto_shash_final(desc, result);
1357	if (cfg->nosimd)
1358		crypto_reenable_simd_for_test();
1359	err = check_shash_op("final", err, driver, vec_name, cfg);
1360	if (err)
1361		return err;
1362result_ready:
1363	return check_hash_result("shash", result, digestsize, vec, vec_name,
1364				 driver, cfg);
1365}
1366
1367static int do_ahash_op(int (*op)(struct ahash_request *req),
1368		       struct ahash_request *req,
1369		       struct crypto_wait *wait, bool nosimd)
1370{
1371	int err;
1372
1373	if (nosimd)
1374		crypto_disable_simd_for_test();
1375
1376	err = op(req);
1377
1378	if (nosimd)
1379		crypto_reenable_simd_for_test();
1380
1381	return crypto_wait_req(err, wait);
1382}
1383
1384static int check_nonfinal_ahash_op(const char *op, int err,
1385				   u8 *result, unsigned int digestsize,
1386				   const char *driver, const char *vec_name,
1387				   const struct testvec_config *cfg)
1388{
1389	if (err) {
1390		pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1391		       driver, op, err, vec_name, cfg->name);
1392		return err;
1393	}
1394	if (!testmgr_is_poison(result, digestsize)) {
1395		pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1396		       driver, op, vec_name, cfg->name);
1397		return -EINVAL;
1398	}
1399	return 0;
1400}
1401
1402/* Test one hash test vector in one configuration, using the ahash API */
1403static int test_ahash_vec_cfg(const struct hash_testvec *vec,
 
1404			      const char *vec_name,
1405			      const struct testvec_config *cfg,
1406			      struct ahash_request *req,
1407			      struct test_sglist *tsgl,
1408			      u8 *hashstate)
1409{
1410	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1411	const unsigned int alignmask = crypto_ahash_alignmask(tfm);
1412	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1413	const unsigned int statesize = crypto_ahash_statesize(tfm);
1414	const char *driver = crypto_ahash_driver_name(tfm);
1415	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1416	const struct test_sg_division *divs[XBUFSIZE];
1417	DECLARE_CRYPTO_WAIT(wait);
1418	unsigned int i;
1419	struct scatterlist *pending_sgl;
1420	unsigned int pending_len;
1421	u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1422	int err;
1423
1424	/* Set the key, if specified */
1425	if (vec->ksize) {
1426		err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1427				cfg, alignmask);
1428		if (err) {
1429			if (err == vec->setkey_error)
1430				return 0;
1431			pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1432			       driver, vec_name, vec->setkey_error, err,
1433			       crypto_ahash_get_flags(tfm));
1434			return err;
1435		}
1436		if (vec->setkey_error) {
1437			pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1438			       driver, vec_name, vec->setkey_error);
1439			return -EINVAL;
1440		}
1441	}
1442
1443	/* Build the scatterlist for the source data */
1444	err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
1445	if (err) {
1446		pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1447		       driver, vec_name, cfg->name);
1448		return err;
1449	}
1450
1451	/* Do the actual hashing */
1452
1453	testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1454	testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1455
1456	if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1457	    vec->digest_error) {
1458		/* Just using digest() */
1459		ahash_request_set_callback(req, req_flags, crypto_req_done,
1460					   &wait);
1461		ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1462		err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1463		if (err) {
1464			if (err == vec->digest_error)
1465				return 0;
1466			pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1467			       driver, vec_name, vec->digest_error, err,
1468			       cfg->name);
1469			return err;
1470		}
1471		if (vec->digest_error) {
1472			pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1473			       driver, vec_name, vec->digest_error, cfg->name);
1474			return -EINVAL;
1475		}
1476		goto result_ready;
1477	}
1478
1479	/* Using init(), zero or more update(), then final() or finup() */
1480
1481	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1482	ahash_request_set_crypt(req, NULL, result, 0);
1483	err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1484	err = check_nonfinal_ahash_op("init", err, result, digestsize,
1485				      driver, vec_name, cfg);
1486	if (err)
1487		return err;
1488
1489	pending_sgl = NULL;
1490	pending_len = 0;
1491	for (i = 0; i < tsgl->nents; i++) {
1492		if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1493		    pending_sgl != NULL) {
1494			/* update() with the pending data */
1495			ahash_request_set_callback(req, req_flags,
1496						   crypto_req_done, &wait);
1497			ahash_request_set_crypt(req, pending_sgl, result,
1498						pending_len);
1499			err = do_ahash_op(crypto_ahash_update, req, &wait,
1500					  divs[i]->nosimd);
1501			err = check_nonfinal_ahash_op("update", err,
1502						      result, digestsize,
1503						      driver, vec_name, cfg);
1504			if (err)
1505				return err;
1506			pending_sgl = NULL;
1507			pending_len = 0;
1508		}
1509		if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1510			/* Test ->export() and ->import() */
1511			testmgr_poison(hashstate + statesize,
1512				       TESTMGR_POISON_LEN);
1513			err = crypto_ahash_export(req, hashstate);
1514			err = check_nonfinal_ahash_op("export", err,
1515						      result, digestsize,
1516						      driver, vec_name, cfg);
1517			if (err)
1518				return err;
1519			if (!testmgr_is_poison(hashstate + statesize,
1520					       TESTMGR_POISON_LEN)) {
1521				pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1522				       driver, vec_name, cfg->name);
1523				return -EOVERFLOW;
1524			}
1525
1526			testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1527			err = crypto_ahash_import(req, hashstate);
1528			err = check_nonfinal_ahash_op("import", err,
1529						      result, digestsize,
1530						      driver, vec_name, cfg);
1531			if (err)
1532				return err;
1533		}
1534		if (pending_sgl == NULL)
1535			pending_sgl = &tsgl->sgl[i];
1536		pending_len += tsgl->sgl[i].length;
1537	}
1538
1539	ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1540	ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1541	if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1542		/* finish with update() and final() */
1543		err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1544		err = check_nonfinal_ahash_op("update", err, result, digestsize,
1545					      driver, vec_name, cfg);
1546		if (err)
1547			return err;
1548		err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1549		if (err) {
1550			pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1551			       driver, err, vec_name, cfg->name);
1552			return err;
1553		}
1554	} else {
1555		/* finish with finup() */
1556		err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1557		if (err) {
1558			pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1559			       driver, err, vec_name, cfg->name);
1560			return err;
1561		}
1562	}
1563
1564result_ready:
1565	return check_hash_result("ahash", result, digestsize, vec, vec_name,
1566				 driver, cfg);
1567}
1568
1569static int test_hash_vec_cfg(const struct hash_testvec *vec,
 
1570			     const char *vec_name,
1571			     const struct testvec_config *cfg,
1572			     struct ahash_request *req,
1573			     struct shash_desc *desc,
1574			     struct test_sglist *tsgl,
1575			     u8 *hashstate)
1576{
1577	int err;
1578
1579	/*
1580	 * For algorithms implemented as "shash", most bugs will be detected by
1581	 * both the shash and ahash tests.  Test the shash API first so that the
1582	 * failures involve less indirection, so are easier to debug.
1583	 */
1584
1585	if (desc) {
1586		err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1587					 hashstate);
1588		if (err)
1589			return err;
1590	}
1591
1592	return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
 
1593}
1594
1595static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1596			 struct ahash_request *req, struct shash_desc *desc,
1597			 struct test_sglist *tsgl, u8 *hashstate)
 
1598{
1599	char vec_name[16];
1600	unsigned int i;
1601	int err;
1602
1603	sprintf(vec_name, "%u", vec_num);
1604
1605	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1606		err = test_hash_vec_cfg(vec, vec_name,
1607					&default_hash_testvec_configs[i],
1608					req, desc, tsgl, hashstate);
1609		if (err)
1610			return err;
1611	}
1612
1613#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1614	if (!noextratests) {
1615		struct testvec_config cfg;
1616		char cfgname[TESTVEC_CONFIG_NAMELEN];
1617
1618		for (i = 0; i < fuzz_iterations; i++) {
1619			generate_random_testvec_config(&cfg, cfgname,
1620						       sizeof(cfgname));
1621			err = test_hash_vec_cfg(vec, vec_name, &cfg,
1622						req, desc, tsgl, hashstate);
1623			if (err)
1624				return err;
1625			cond_resched();
1626		}
1627	}
1628#endif
1629	return 0;
1630}
1631
1632#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1633/*
1634 * Generate a hash test vector from the given implementation.
1635 * Assumes the buffers in 'vec' were already allocated.
1636 */
1637static void generate_random_hash_testvec(struct shash_desc *desc,
1638					 struct hash_testvec *vec,
1639					 unsigned int maxkeysize,
1640					 unsigned int maxdatasize,
1641					 char *name, size_t max_namelen)
1642{
1643	/* Data */
1644	vec->psize = generate_random_length(maxdatasize);
1645	generate_random_bytes((u8 *)vec->plaintext, vec->psize);
1646
1647	/*
1648	 * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1649	 * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1650	 */
1651	vec->setkey_error = 0;
1652	vec->ksize = 0;
1653	if (maxkeysize) {
1654		vec->ksize = maxkeysize;
1655		if (get_random_u32_below(4) == 0)
1656			vec->ksize = get_random_u32_inclusive(1, maxkeysize);
1657		generate_random_bytes((u8 *)vec->key, vec->ksize);
1658
1659		vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1660							vec->ksize);
1661		/* If the key couldn't be set, no need to continue to digest. */
1662		if (vec->setkey_error)
1663			goto done;
1664	}
1665
1666	/* Digest */
1667	vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1668						vec->psize, (u8 *)vec->digest);
1669done:
1670	snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1671		 vec->psize, vec->ksize);
1672}
1673
1674/*
1675 * Test the hash algorithm represented by @req against the corresponding generic
1676 * implementation, if one is available.
1677 */
1678static int test_hash_vs_generic_impl(const char *generic_driver,
 
1679				     unsigned int maxkeysize,
1680				     struct ahash_request *req,
1681				     struct shash_desc *desc,
1682				     struct test_sglist *tsgl,
1683				     u8 *hashstate)
1684{
1685	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1686	const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1687	const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1688	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1689	const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1690	const char *driver = crypto_ahash_driver_name(tfm);
1691	char _generic_driver[CRYPTO_MAX_ALG_NAME];
1692	struct crypto_shash *generic_tfm = NULL;
1693	struct shash_desc *generic_desc = NULL;
1694	unsigned int i;
1695	struct hash_testvec vec = { 0 };
1696	char vec_name[64];
1697	struct testvec_config *cfg;
1698	char cfgname[TESTVEC_CONFIG_NAMELEN];
1699	int err;
1700
1701	if (noextratests)
1702		return 0;
1703
1704	if (!generic_driver) { /* Use default naming convention? */
1705		err = build_generic_driver_name(algname, _generic_driver);
1706		if (err)
1707			return err;
1708		generic_driver = _generic_driver;
1709	}
1710
1711	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1712		return 0;
1713
1714	generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1715	if (IS_ERR(generic_tfm)) {
1716		err = PTR_ERR(generic_tfm);
1717		if (err == -ENOENT) {
1718			pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1719				driver, generic_driver);
1720			return 0;
1721		}
1722		pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1723		       generic_driver, algname, err);
1724		return err;
1725	}
1726
1727	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1728	if (!cfg) {
1729		err = -ENOMEM;
1730		goto out;
1731	}
1732
1733	generic_desc = kzalloc(sizeof(*desc) +
1734			       crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1735	if (!generic_desc) {
1736		err = -ENOMEM;
1737		goto out;
1738	}
1739	generic_desc->tfm = generic_tfm;
1740
1741	/* Check the algorithm properties for consistency. */
1742
1743	if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1744		pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1745		       driver, digestsize,
1746		       crypto_shash_digestsize(generic_tfm));
1747		err = -EINVAL;
1748		goto out;
1749	}
1750
1751	if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1752		pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1753		       driver, blocksize, crypto_shash_blocksize(generic_tfm));
1754		err = -EINVAL;
1755		goto out;
1756	}
1757
1758	/*
1759	 * Now generate test vectors using the generic implementation, and test
1760	 * the other implementation against them.
1761	 */
1762
1763	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1764	vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1765	vec.digest = kmalloc(digestsize, GFP_KERNEL);
1766	if (!vec.key || !vec.plaintext || !vec.digest) {
1767		err = -ENOMEM;
1768		goto out;
1769	}
1770
1771	for (i = 0; i < fuzz_iterations * 8; i++) {
1772		generate_random_hash_testvec(generic_desc, &vec,
1773					     maxkeysize, maxdatasize,
1774					     vec_name, sizeof(vec_name));
1775		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
1776
1777		err = test_hash_vec_cfg(&vec, vec_name, cfg,
1778					req, desc, tsgl, hashstate);
1779		if (err)
1780			goto out;
1781		cond_resched();
1782	}
1783	err = 0;
1784out:
1785	kfree(cfg);
1786	kfree(vec.key);
1787	kfree(vec.plaintext);
1788	kfree(vec.digest);
1789	crypto_free_shash(generic_tfm);
1790	kfree_sensitive(generic_desc);
1791	return err;
1792}
1793#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1794static int test_hash_vs_generic_impl(const char *generic_driver,
 
1795				     unsigned int maxkeysize,
1796				     struct ahash_request *req,
1797				     struct shash_desc *desc,
1798				     struct test_sglist *tsgl,
1799				     u8 *hashstate)
1800{
1801	return 0;
1802}
1803#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1804
1805static int alloc_shash(const char *driver, u32 type, u32 mask,
1806		       struct crypto_shash **tfm_ret,
1807		       struct shash_desc **desc_ret)
1808{
1809	struct crypto_shash *tfm;
1810	struct shash_desc *desc;
1811
1812	tfm = crypto_alloc_shash(driver, type, mask);
1813	if (IS_ERR(tfm)) {
1814		if (PTR_ERR(tfm) == -ENOENT) {
1815			/*
1816			 * This algorithm is only available through the ahash
1817			 * API, not the shash API, so skip the shash tests.
1818			 */
1819			return 0;
1820		}
1821		pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1822		       driver, PTR_ERR(tfm));
1823		return PTR_ERR(tfm);
1824	}
1825
1826	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1827	if (!desc) {
1828		crypto_free_shash(tfm);
1829		return -ENOMEM;
1830	}
1831	desc->tfm = tfm;
1832
1833	*tfm_ret = tfm;
1834	*desc_ret = desc;
1835	return 0;
1836}
1837
1838static int __alg_test_hash(const struct hash_testvec *vecs,
1839			   unsigned int num_vecs, const char *driver,
1840			   u32 type, u32 mask,
1841			   const char *generic_driver, unsigned int maxkeysize)
1842{
1843	struct crypto_ahash *atfm = NULL;
1844	struct ahash_request *req = NULL;
1845	struct crypto_shash *stfm = NULL;
1846	struct shash_desc *desc = NULL;
1847	struct test_sglist *tsgl = NULL;
1848	u8 *hashstate = NULL;
1849	unsigned int statesize;
1850	unsigned int i;
1851	int err;
1852
1853	/*
1854	 * Always test the ahash API.  This works regardless of whether the
1855	 * algorithm is implemented as ahash or shash.
1856	 */
1857
1858	atfm = crypto_alloc_ahash(driver, type, mask);
1859	if (IS_ERR(atfm)) {
1860		pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1861		       driver, PTR_ERR(atfm));
1862		return PTR_ERR(atfm);
1863	}
1864	driver = crypto_ahash_driver_name(atfm);
1865
1866	req = ahash_request_alloc(atfm, GFP_KERNEL);
1867	if (!req) {
1868		pr_err("alg: hash: failed to allocate request for %s\n",
1869		       driver);
1870		err = -ENOMEM;
1871		goto out;
1872	}
1873
1874	/*
1875	 * If available also test the shash API, to cover corner cases that may
1876	 * be missed by testing the ahash API only.
1877	 */
1878	err = alloc_shash(driver, type, mask, &stfm, &desc);
1879	if (err)
1880		goto out;
1881
1882	tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1883	if (!tsgl || init_test_sglist(tsgl) != 0) {
1884		pr_err("alg: hash: failed to allocate test buffers for %s\n",
1885		       driver);
1886		kfree(tsgl);
1887		tsgl = NULL;
1888		err = -ENOMEM;
1889		goto out;
1890	}
1891
1892	statesize = crypto_ahash_statesize(atfm);
1893	if (stfm)
1894		statesize = max(statesize, crypto_shash_statesize(stfm));
1895	hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1896	if (!hashstate) {
1897		pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1898		       driver);
1899		err = -ENOMEM;
1900		goto out;
1901	}
1902
1903	for (i = 0; i < num_vecs; i++) {
1904		if (fips_enabled && vecs[i].fips_skip)
1905			continue;
1906
1907		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1908		if (err)
1909			goto out;
1910		cond_resched();
1911	}
1912	err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1913					desc, tsgl, hashstate);
1914out:
1915	kfree(hashstate);
1916	if (tsgl) {
1917		destroy_test_sglist(tsgl);
1918		kfree(tsgl);
1919	}
1920	kfree(desc);
1921	crypto_free_shash(stfm);
1922	ahash_request_free(req);
1923	crypto_free_ahash(atfm);
1924	return err;
1925}
1926
1927static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1928			 u32 type, u32 mask)
1929{
1930	const struct hash_testvec *template = desc->suite.hash.vecs;
1931	unsigned int tcount = desc->suite.hash.count;
1932	unsigned int nr_unkeyed, nr_keyed;
1933	unsigned int maxkeysize = 0;
1934	int err;
1935
1936	/*
1937	 * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1938	 * first, before setting a key on the tfm.  To make this easier, we
1939	 * require that the unkeyed test vectors (if any) are listed first.
1940	 */
1941
1942	for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1943		if (template[nr_unkeyed].ksize)
1944			break;
1945	}
1946	for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
1947		if (!template[nr_unkeyed + nr_keyed].ksize) {
1948			pr_err("alg: hash: test vectors for %s out of order, "
1949			       "unkeyed ones must come first\n", desc->alg);
1950			return -EINVAL;
1951		}
1952		maxkeysize = max_t(unsigned int, maxkeysize,
1953				   template[nr_unkeyed + nr_keyed].ksize);
1954	}
1955
1956	err = 0;
1957	if (nr_unkeyed) {
1958		err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
1959				      desc->generic_driver, maxkeysize);
1960		template += nr_unkeyed;
1961	}
1962
1963	if (!err && nr_keyed)
1964		err = __alg_test_hash(template, nr_keyed, driver, type, mask,
1965				      desc->generic_driver, maxkeysize);
1966
1967	return err;
1968}
1969
1970static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
 
1971			     const char *vec_name,
1972			     const struct testvec_config *cfg,
1973			     struct aead_request *req,
1974			     struct cipher_test_sglists *tsgls)
1975{
1976	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
1977	const unsigned int alignmask = crypto_aead_alignmask(tfm);
1978	const unsigned int ivsize = crypto_aead_ivsize(tfm);
1979	const unsigned int authsize = vec->clen - vec->plen;
1980	const char *driver = crypto_aead_driver_name(tfm);
1981	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1982	const char *op = enc ? "encryption" : "decryption";
1983	DECLARE_CRYPTO_WAIT(wait);
1984	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
1985	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
1986		 cfg->iv_offset +
1987		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
1988	struct kvec input[2];
 
1989	int err;
1990
1991	/* Set the key */
1992	if (vec->wk)
1993		crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1994	else
1995		crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1996
1997	err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
1998			cfg, alignmask);
1999	if (err && err != vec->setkey_error) {
2000		pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2001		       driver, vec_name, vec->setkey_error, err,
2002		       crypto_aead_get_flags(tfm));
2003		return err;
2004	}
2005	if (!err && vec->setkey_error) {
2006		pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2007		       driver, vec_name, vec->setkey_error);
2008		return -EINVAL;
2009	}
2010
2011	/* Set the authentication tag size */
2012	err = crypto_aead_setauthsize(tfm, authsize);
2013	if (err && err != vec->setauthsize_error) {
2014		pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2015		       driver, vec_name, vec->setauthsize_error, err);
2016		return err;
2017	}
2018	if (!err && vec->setauthsize_error) {
2019		pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2020		       driver, vec_name, vec->setauthsize_error);
2021		return -EINVAL;
2022	}
2023
2024	if (vec->setkey_error || vec->setauthsize_error)
2025		return 0;
2026
2027	/* The IV must be copied to a buffer, as the algorithm may modify it */
2028	if (WARN_ON(ivsize > MAX_IVLEN))
2029		return -EINVAL;
2030	if (vec->iv)
2031		memcpy(iv, vec->iv, ivsize);
2032	else
2033		memset(iv, 0, ivsize);
2034
2035	/* Build the src/dst scatterlists */
2036	input[0].iov_base = (void *)vec->assoc;
2037	input[0].iov_len = vec->alen;
2038	input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2039	input[1].iov_len = enc ? vec->plen : vec->clen;
2040	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2041					vec->alen + (enc ? vec->plen :
2042						     vec->clen),
2043					vec->alen + (enc ? vec->clen :
2044						     vec->plen),
2045					input, 2);
2046	if (err) {
2047		pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2048		       driver, op, vec_name, cfg->name);
2049		return err;
2050	}
2051
2052	/* Do the actual encryption or decryption */
2053	testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2054	aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2055	aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2056			       enc ? vec->plen : vec->clen, iv);
2057	aead_request_set_ad(req, vec->alen);
2058	if (cfg->nosimd)
2059		crypto_disable_simd_for_test();
2060	err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2061	if (cfg->nosimd)
2062		crypto_reenable_simd_for_test();
2063	err = crypto_wait_req(err, &wait);
2064
2065	/* Check that the algorithm didn't overwrite things it shouldn't have */
2066	if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2067	    req->assoclen != vec->alen ||
2068	    req->iv != iv ||
2069	    req->src != tsgls->src.sgl_ptr ||
2070	    req->dst != tsgls->dst.sgl_ptr ||
2071	    crypto_aead_reqtfm(req) != tfm ||
2072	    req->base.complete != crypto_req_done ||
2073	    req->base.flags != req_flags ||
2074	    req->base.data != &wait) {
2075		pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2076		       driver, op, vec_name, cfg->name);
2077		if (req->cryptlen != (enc ? vec->plen : vec->clen))
2078			pr_err("alg: aead: changed 'req->cryptlen'\n");
2079		if (req->assoclen != vec->alen)
2080			pr_err("alg: aead: changed 'req->assoclen'\n");
2081		if (req->iv != iv)
2082			pr_err("alg: aead: changed 'req->iv'\n");
2083		if (req->src != tsgls->src.sgl_ptr)
2084			pr_err("alg: aead: changed 'req->src'\n");
2085		if (req->dst != tsgls->dst.sgl_ptr)
2086			pr_err("alg: aead: changed 'req->dst'\n");
2087		if (crypto_aead_reqtfm(req) != tfm)
2088			pr_err("alg: aead: changed 'req->base.tfm'\n");
2089		if (req->base.complete != crypto_req_done)
2090			pr_err("alg: aead: changed 'req->base.complete'\n");
2091		if (req->base.flags != req_flags)
2092			pr_err("alg: aead: changed 'req->base.flags'\n");
2093		if (req->base.data != &wait)
2094			pr_err("alg: aead: changed 'req->base.data'\n");
2095		return -EINVAL;
2096	}
2097	if (is_test_sglist_corrupted(&tsgls->src)) {
2098		pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2099		       driver, op, vec_name, cfg->name);
2100		return -EINVAL;
2101	}
2102	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2103	    is_test_sglist_corrupted(&tsgls->dst)) {
2104		pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2105		       driver, op, vec_name, cfg->name);
2106		return -EINVAL;
2107	}
2108
2109	/* Check for unexpected success or failure, or wrong error code */
2110	if ((err == 0 && vec->novrfy) ||
2111	    (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2112		char expected_error[32];
2113
2114		if (vec->novrfy &&
2115		    vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2116			sprintf(expected_error, "-EBADMSG or %d",
2117				vec->crypt_error);
2118		else if (vec->novrfy)
2119			sprintf(expected_error, "-EBADMSG");
2120		else
2121			sprintf(expected_error, "%d", vec->crypt_error);
2122		if (err) {
2123			pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2124			       driver, op, vec_name, expected_error, err,
2125			       cfg->name);
2126			return err;
2127		}
2128		pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2129		       driver, op, vec_name, expected_error, cfg->name);
2130		return -EINVAL;
2131	}
2132	if (err) /* Expectedly failed. */
2133		return 0;
2134
2135	/* Check for the correct output (ciphertext or plaintext) */
2136	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2137				    enc ? vec->clen : vec->plen,
2138				    vec->alen,
2139				    enc || cfg->inplace_mode == OUT_OF_PLACE);
2140	if (err == -EOVERFLOW) {
2141		pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2142		       driver, op, vec_name, cfg->name);
2143		return err;
2144	}
2145	if (err) {
2146		pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2147		       driver, op, vec_name, cfg->name);
2148		return err;
2149	}
2150
2151	return 0;
2152}
2153
2154static int test_aead_vec(int enc, const struct aead_testvec *vec,
2155			 unsigned int vec_num, struct aead_request *req,
 
2156			 struct cipher_test_sglists *tsgls)
2157{
2158	char vec_name[16];
2159	unsigned int i;
2160	int err;
2161
2162	if (enc && vec->novrfy)
2163		return 0;
2164
2165	sprintf(vec_name, "%u", vec_num);
2166
2167	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2168		err = test_aead_vec_cfg(enc, vec, vec_name,
2169					&default_cipher_testvec_configs[i],
2170					req, tsgls);
2171		if (err)
2172			return err;
2173	}
2174
2175#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2176	if (!noextratests) {
2177		struct testvec_config cfg;
2178		char cfgname[TESTVEC_CONFIG_NAMELEN];
2179
2180		for (i = 0; i < fuzz_iterations; i++) {
2181			generate_random_testvec_config(&cfg, cfgname,
2182						       sizeof(cfgname));
2183			err = test_aead_vec_cfg(enc, vec, vec_name,
2184						&cfg, req, tsgls);
2185			if (err)
2186				return err;
2187			cond_resched();
2188		}
2189	}
2190#endif
2191	return 0;
2192}
2193
2194#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2195
2196struct aead_extra_tests_ctx {
2197	struct aead_request *req;
2198	struct crypto_aead *tfm;
2199	const struct alg_test_desc *test_desc;
2200	struct cipher_test_sglists *tsgls;
2201	unsigned int maxdatasize;
2202	unsigned int maxkeysize;
2203
2204	struct aead_testvec vec;
2205	char vec_name[64];
2206	char cfgname[TESTVEC_CONFIG_NAMELEN];
2207	struct testvec_config cfg;
2208};
2209
2210/*
2211 * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2212 * here means the full ciphertext including the authentication tag.  The
2213 * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2214 */
2215static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
2216				unsigned int ivsize)
2217{
2218	const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2219	const unsigned int authsize = vec->clen - vec->plen;
2220
2221	if (get_random_u32_below(2) == 0 && vec->alen > aad_tail_size) {
2222		 /* Mutate the AAD */
2223		flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
2224		if (get_random_u32_below(2) == 0)
2225			return;
2226	}
2227	if (get_random_u32_below(2) == 0) {
2228		/* Mutate auth tag (assuming it's at the end of ciphertext) */
2229		flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
2230	} else {
2231		/* Mutate any part of the ciphertext */
2232		flip_random_bit((u8 *)vec->ctext, vec->clen);
2233	}
2234}
2235
2236/*
2237 * Minimum authentication tag size in bytes at which we assume that we can
2238 * reliably generate inauthentic messages, i.e. not generate an authentic
2239 * message by chance.
2240 */
2241#define MIN_COLLISION_FREE_AUTHSIZE 8
2242
2243static void generate_aead_message(struct aead_request *req,
2244				  const struct aead_test_suite *suite,
2245				  struct aead_testvec *vec,
2246				  bool prefer_inauthentic)
2247{
2248	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2249	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2250	const unsigned int authsize = vec->clen - vec->plen;
2251	const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2252				 (prefer_inauthentic || get_random_u32_below(4) == 0);
2253
2254	/* Generate the AAD. */
2255	generate_random_bytes((u8 *)vec->assoc, vec->alen);
2256	if (suite->aad_iv && vec->alen >= ivsize)
2257		/* Avoid implementation-defined behavior. */
2258		memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2259
2260	if (inauthentic && get_random_u32_below(2) == 0) {
2261		/* Generate a random ciphertext. */
2262		generate_random_bytes((u8 *)vec->ctext, vec->clen);
2263	} else {
2264		int i = 0;
2265		struct scatterlist src[2], dst;
2266		u8 iv[MAX_IVLEN];
2267		DECLARE_CRYPTO_WAIT(wait);
2268
2269		/* Generate a random plaintext and encrypt it. */
2270		sg_init_table(src, 2);
2271		if (vec->alen)
2272			sg_set_buf(&src[i++], vec->assoc, vec->alen);
2273		if (vec->plen) {
2274			generate_random_bytes((u8 *)vec->ptext, vec->plen);
2275			sg_set_buf(&src[i++], vec->ptext, vec->plen);
2276		}
2277		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2278		memcpy(iv, vec->iv, ivsize);
2279		aead_request_set_callback(req, 0, crypto_req_done, &wait);
2280		aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2281		aead_request_set_ad(req, vec->alen);
2282		vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2283						   &wait);
2284		/* If encryption failed, we're done. */
2285		if (vec->crypt_error != 0)
2286			return;
2287		memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2288		if (!inauthentic)
2289			return;
2290		/*
2291		 * Mutate the authentic (ciphertext, AAD) pair to get an
2292		 * inauthentic one.
2293		 */
2294		mutate_aead_message(vec, suite->aad_iv, ivsize);
2295	}
2296	vec->novrfy = 1;
2297	if (suite->einval_allowed)
2298		vec->crypt_error = -EINVAL;
2299}
2300
2301/*
2302 * Generate an AEAD test vector 'vec' using the implementation specified by
2303 * 'req'.  The buffers in 'vec' must already be allocated.
2304 *
2305 * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2306 * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2307 */
2308static void generate_random_aead_testvec(struct aead_request *req,
2309					 struct aead_testvec *vec,
2310					 const struct aead_test_suite *suite,
2311					 unsigned int maxkeysize,
2312					 unsigned int maxdatasize,
2313					 char *name, size_t max_namelen,
2314					 bool prefer_inauthentic)
2315{
2316	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2317	const unsigned int ivsize = crypto_aead_ivsize(tfm);
2318	const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2319	unsigned int authsize;
2320	unsigned int total_len;
 
 
 
 
2321
2322	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2323	vec->klen = maxkeysize;
2324	if (get_random_u32_below(4) == 0)
2325		vec->klen = get_random_u32_below(maxkeysize + 1);
2326	generate_random_bytes((u8 *)vec->key, vec->klen);
2327	vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2328
2329	/* IV */
2330	generate_random_bytes((u8 *)vec->iv, ivsize);
2331
2332	/* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2333	authsize = maxauthsize;
2334	if (get_random_u32_below(4) == 0)
2335		authsize = get_random_u32_below(maxauthsize + 1);
2336	if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2337		authsize = MIN_COLLISION_FREE_AUTHSIZE;
2338	if (WARN_ON(authsize > maxdatasize))
2339		authsize = maxdatasize;
2340	maxdatasize -= authsize;
2341	vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2342
2343	/* AAD, plaintext, and ciphertext lengths */
2344	total_len = generate_random_length(maxdatasize);
2345	if (get_random_u32_below(4) == 0)
2346		vec->alen = 0;
2347	else
2348		vec->alen = generate_random_length(total_len);
2349	vec->plen = total_len - vec->alen;
 
 
 
2350	vec->clen = vec->plen + authsize;
2351
2352	/*
2353	 * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2354	 * key or the authentication tag size couldn't be set.
2355	 */
2356	vec->novrfy = 0;
2357	vec->crypt_error = 0;
2358	if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2359		generate_aead_message(req, suite, vec, prefer_inauthentic);
2360	snprintf(name, max_namelen,
2361		 "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2362		 vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2363}
2364
2365static void try_to_generate_inauthentic_testvec(
2366					struct aead_extra_tests_ctx *ctx)
2367{
2368	int i;
2369
2370	for (i = 0; i < 10; i++) {
2371		generate_random_aead_testvec(ctx->req, &ctx->vec,
2372					     &ctx->test_desc->suite.aead,
2373					     ctx->maxkeysize, ctx->maxdatasize,
2374					     ctx->vec_name,
2375					     sizeof(ctx->vec_name), true);
2376		if (ctx->vec.novrfy)
2377			return;
2378	}
2379}
2380
2381/*
2382 * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2383 * result of an encryption with the key) and verify that decryption fails.
2384 */
2385static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2386{
2387	unsigned int i;
2388	int err;
2389
2390	for (i = 0; i < fuzz_iterations * 8; i++) {
2391		/*
2392		 * Since this part of the tests isn't comparing the
2393		 * implementation to another, there's no point in testing any
2394		 * test vectors other than inauthentic ones (vec.novrfy=1) here.
2395		 *
2396		 * If we're having trouble generating such a test vector, e.g.
2397		 * if the algorithm keeps rejecting the generated keys, don't
2398		 * retry forever; just continue on.
2399		 */
2400		try_to_generate_inauthentic_testvec(ctx);
2401		if (ctx->vec.novrfy) {
2402			generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2403						       sizeof(ctx->cfgname));
2404			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2405						ctx->vec_name, &ctx->cfg,
2406						ctx->req, ctx->tsgls);
2407			if (err)
2408				return err;
2409		}
2410		cond_resched();
2411	}
2412	return 0;
2413}
2414
2415/*
2416 * Test the AEAD algorithm against the corresponding generic implementation, if
2417 * one is available.
2418 */
2419static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
 
 
 
2420{
2421	struct crypto_aead *tfm = ctx->tfm;
 
 
 
 
2422	const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2423	const char *driver = crypto_aead_driver_name(tfm);
2424	const char *generic_driver = ctx->test_desc->generic_driver;
2425	char _generic_driver[CRYPTO_MAX_ALG_NAME];
2426	struct crypto_aead *generic_tfm = NULL;
2427	struct aead_request *generic_req = NULL;
 
2428	unsigned int i;
 
 
 
 
2429	int err;
2430
 
 
 
2431	if (!generic_driver) { /* Use default naming convention? */
2432		err = build_generic_driver_name(algname, _generic_driver);
2433		if (err)
2434			return err;
2435		generic_driver = _generic_driver;
2436	}
2437
2438	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2439		return 0;
2440
2441	generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2442	if (IS_ERR(generic_tfm)) {
2443		err = PTR_ERR(generic_tfm);
2444		if (err == -ENOENT) {
2445			pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2446				driver, generic_driver);
2447			return 0;
2448		}
2449		pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2450		       generic_driver, algname, err);
2451		return err;
2452	}
2453
 
 
 
 
 
 
2454	generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2455	if (!generic_req) {
2456		err = -ENOMEM;
2457		goto out;
2458	}
2459
2460	/* Check the algorithm properties for consistency. */
2461
2462	if (crypto_aead_maxauthsize(tfm) !=
2463	    crypto_aead_maxauthsize(generic_tfm)) {
2464		pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2465		       driver, crypto_aead_maxauthsize(tfm),
2466		       crypto_aead_maxauthsize(generic_tfm));
2467		err = -EINVAL;
2468		goto out;
2469	}
2470
2471	if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2472		pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2473		       driver, crypto_aead_ivsize(tfm),
2474		       crypto_aead_ivsize(generic_tfm));
2475		err = -EINVAL;
2476		goto out;
2477	}
2478
2479	if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2480		pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2481		       driver, crypto_aead_blocksize(tfm),
2482		       crypto_aead_blocksize(generic_tfm));
2483		err = -EINVAL;
2484		goto out;
2485	}
2486
2487	/*
2488	 * Now generate test vectors using the generic implementation, and test
2489	 * the other implementation against them.
2490	 */
2491	for (i = 0; i < fuzz_iterations * 8; i++) {
2492		generate_random_aead_testvec(generic_req, &ctx->vec,
2493					     &ctx->test_desc->suite.aead,
2494					     ctx->maxkeysize, ctx->maxdatasize,
2495					     ctx->vec_name,
2496					     sizeof(ctx->vec_name), false);
2497		generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
2498					       sizeof(ctx->cfgname));
2499		if (!ctx->vec.novrfy) {
2500			err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2501						ctx->vec_name, &ctx->cfg,
2502						ctx->req, ctx->tsgls);
2503			if (err)
2504				goto out;
2505		}
2506		if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2507			err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2508						ctx->vec_name, &ctx->cfg,
2509						ctx->req, ctx->tsgls);
2510			if (err)
2511				goto out;
2512		}
2513		cond_resched();
2514	}
2515	err = 0;
2516out:
2517	crypto_free_aead(generic_tfm);
2518	aead_request_free(generic_req);
2519	return err;
2520}
2521
2522static int test_aead_extra(const struct alg_test_desc *test_desc,
2523			   struct aead_request *req,
2524			   struct cipher_test_sglists *tsgls)
2525{
2526	struct aead_extra_tests_ctx *ctx;
2527	unsigned int i;
2528	int err;
2529
2530	if (noextratests)
2531		return 0;
2532
2533	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2534	if (!ctx)
2535		return -ENOMEM;
2536	ctx->req = req;
2537	ctx->tfm = crypto_aead_reqtfm(req);
2538	ctx->test_desc = test_desc;
2539	ctx->tsgls = tsgls;
2540	ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2541	ctx->maxkeysize = 0;
2542	for (i = 0; i < test_desc->suite.aead.count; i++)
2543		ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2544					test_desc->suite.aead.vecs[i].klen);
2545
2546	ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2547	ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2548	ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2549	ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2550	ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2551	if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2552	    !ctx->vec.ptext || !ctx->vec.ctext) {
2553		err = -ENOMEM;
2554		goto out;
2555	}
2556
2557	err = test_aead_vs_generic_impl(ctx);
2558	if (err)
2559		goto out;
 
 
2560
2561	err = test_aead_inauthentic_inputs(ctx);
 
 
 
 
 
 
 
 
 
 
2562out:
2563	kfree(ctx->vec.key);
2564	kfree(ctx->vec.iv);
2565	kfree(ctx->vec.assoc);
2566	kfree(ctx->vec.ptext);
2567	kfree(ctx->vec.ctext);
2568	kfree(ctx);
 
 
2569	return err;
2570}
2571#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2572static int test_aead_extra(const struct alg_test_desc *test_desc,
2573			   struct aead_request *req,
2574			   struct cipher_test_sglists *tsgls)
 
2575{
2576	return 0;
2577}
2578#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2579
2580static int test_aead(int enc, const struct aead_test_suite *suite,
 
2581		     struct aead_request *req,
2582		     struct cipher_test_sglists *tsgls)
2583{
2584	unsigned int i;
2585	int err;
2586
2587	for (i = 0; i < suite->count; i++) {
2588		err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
 
2589		if (err)
2590			return err;
2591		cond_resched();
2592	}
2593	return 0;
2594}
2595
2596static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2597			 u32 type, u32 mask)
2598{
2599	const struct aead_test_suite *suite = &desc->suite.aead;
2600	struct crypto_aead *tfm;
2601	struct aead_request *req = NULL;
2602	struct cipher_test_sglists *tsgls = NULL;
2603	int err;
2604
2605	if (suite->count <= 0) {
2606		pr_err("alg: aead: empty test suite for %s\n", driver);
2607		return -EINVAL;
2608	}
2609
2610	tfm = crypto_alloc_aead(driver, type, mask);
2611	if (IS_ERR(tfm)) {
2612		pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2613		       driver, PTR_ERR(tfm));
2614		return PTR_ERR(tfm);
2615	}
2616	driver = crypto_aead_driver_name(tfm);
2617
2618	req = aead_request_alloc(tfm, GFP_KERNEL);
2619	if (!req) {
2620		pr_err("alg: aead: failed to allocate request for %s\n",
2621		       driver);
2622		err = -ENOMEM;
2623		goto out;
2624	}
2625
2626	tsgls = alloc_cipher_test_sglists();
2627	if (!tsgls) {
2628		pr_err("alg: aead: failed to allocate test buffers for %s\n",
2629		       driver);
2630		err = -ENOMEM;
2631		goto out;
2632	}
2633
2634	err = test_aead(ENCRYPT, suite, req, tsgls);
2635	if (err)
2636		goto out;
2637
2638	err = test_aead(DECRYPT, suite, req, tsgls);
2639	if (err)
2640		goto out;
2641
2642	err = test_aead_extra(desc, req, tsgls);
2643out:
2644	free_cipher_test_sglists(tsgls);
2645	aead_request_free(req);
2646	crypto_free_aead(tfm);
2647	return err;
2648}
2649
2650static int test_cipher(struct crypto_cipher *tfm, int enc,
2651		       const struct cipher_testvec *template,
2652		       unsigned int tcount)
2653{
2654	const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2655	unsigned int i, j, k;
2656	char *q;
2657	const char *e;
2658	const char *input, *result;
2659	void *data;
2660	char *xbuf[XBUFSIZE];
2661	int ret = -ENOMEM;
2662
2663	if (testmgr_alloc_buf(xbuf))
2664		goto out_nobuf;
2665
2666	if (enc == ENCRYPT)
2667	        e = "encryption";
2668	else
2669		e = "decryption";
2670
2671	j = 0;
2672	for (i = 0; i < tcount; i++) {
2673
2674		if (fips_enabled && template[i].fips_skip)
2675			continue;
2676
2677		input  = enc ? template[i].ptext : template[i].ctext;
2678		result = enc ? template[i].ctext : template[i].ptext;
2679		j++;
2680
2681		ret = -EINVAL;
2682		if (WARN_ON(template[i].len > PAGE_SIZE))
2683			goto out;
2684
2685		data = xbuf[0];
2686		memcpy(data, input, template[i].len);
2687
2688		crypto_cipher_clear_flags(tfm, ~0);
2689		if (template[i].wk)
2690			crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2691
2692		ret = crypto_cipher_setkey(tfm, template[i].key,
2693					   template[i].klen);
2694		if (ret) {
2695			if (ret == template[i].setkey_error)
2696				continue;
2697			pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2698			       algo, j, template[i].setkey_error, ret,
2699			       crypto_cipher_get_flags(tfm));
2700			goto out;
2701		}
2702		if (template[i].setkey_error) {
2703			pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2704			       algo, j, template[i].setkey_error);
2705			ret = -EINVAL;
2706			goto out;
2707		}
2708
2709		for (k = 0; k < template[i].len;
2710		     k += crypto_cipher_blocksize(tfm)) {
2711			if (enc)
2712				crypto_cipher_encrypt_one(tfm, data + k,
2713							  data + k);
2714			else
2715				crypto_cipher_decrypt_one(tfm, data + k,
2716							  data + k);
2717		}
2718
2719		q = data;
2720		if (memcmp(q, result, template[i].len)) {
2721			printk(KERN_ERR "alg: cipher: Test %d failed "
2722			       "on %s for %s\n", j, e, algo);
2723			hexdump(q, template[i].len);
2724			ret = -EINVAL;
2725			goto out;
2726		}
2727	}
2728
2729	ret = 0;
2730
2731out:
2732	testmgr_free_buf(xbuf);
2733out_nobuf:
2734	return ret;
2735}
2736
2737static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
 
2738				 const char *vec_name,
2739				 const struct testvec_config *cfg,
2740				 struct skcipher_request *req,
2741				 struct cipher_test_sglists *tsgls)
2742{
2743	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2744	const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2745	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2746	const char *driver = crypto_skcipher_driver_name(tfm);
2747	const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2748	const char *op = enc ? "encryption" : "decryption";
2749	DECLARE_CRYPTO_WAIT(wait);
2750	u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2751	u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2752		 cfg->iv_offset +
2753		 (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2754	struct kvec input;
2755	int err;
2756
2757	/* Set the key */
2758	if (vec->wk)
2759		crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2760	else
2761		crypto_skcipher_clear_flags(tfm,
2762					    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2763	err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2764			cfg, alignmask);
2765	if (err) {
2766		if (err == vec->setkey_error)
2767			return 0;
2768		pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2769		       driver, vec_name, vec->setkey_error, err,
2770		       crypto_skcipher_get_flags(tfm));
2771		return err;
2772	}
2773	if (vec->setkey_error) {
2774		pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2775		       driver, vec_name, vec->setkey_error);
2776		return -EINVAL;
2777	}
2778
2779	/* The IV must be copied to a buffer, as the algorithm may modify it */
2780	if (ivsize) {
2781		if (WARN_ON(ivsize > MAX_IVLEN))
2782			return -EINVAL;
2783		if (vec->generates_iv && !enc)
2784			memcpy(iv, vec->iv_out, ivsize);
2785		else if (vec->iv)
2786			memcpy(iv, vec->iv, ivsize);
2787		else
2788			memset(iv, 0, ivsize);
2789	} else {
2790		if (vec->generates_iv) {
2791			pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2792			       driver, vec_name);
2793			return -EINVAL;
2794		}
2795		iv = NULL;
2796	}
2797
2798	/* Build the src/dst scatterlists */
2799	input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2800	input.iov_len = vec->len;
2801	err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2802					vec->len, vec->len, &input, 1);
2803	if (err) {
2804		pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2805		       driver, op, vec_name, cfg->name);
2806		return err;
2807	}
2808
2809	/* Do the actual encryption or decryption */
2810	testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2811	skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2812	skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2813				   vec->len, iv);
2814	if (cfg->nosimd)
2815		crypto_disable_simd_for_test();
2816	err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2817	if (cfg->nosimd)
2818		crypto_reenable_simd_for_test();
2819	err = crypto_wait_req(err, &wait);
2820
2821	/* Check that the algorithm didn't overwrite things it shouldn't have */
2822	if (req->cryptlen != vec->len ||
2823	    req->iv != iv ||
2824	    req->src != tsgls->src.sgl_ptr ||
2825	    req->dst != tsgls->dst.sgl_ptr ||
2826	    crypto_skcipher_reqtfm(req) != tfm ||
2827	    req->base.complete != crypto_req_done ||
2828	    req->base.flags != req_flags ||
2829	    req->base.data != &wait) {
2830		pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2831		       driver, op, vec_name, cfg->name);
2832		if (req->cryptlen != vec->len)
2833			pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2834		if (req->iv != iv)
2835			pr_err("alg: skcipher: changed 'req->iv'\n");
2836		if (req->src != tsgls->src.sgl_ptr)
2837			pr_err("alg: skcipher: changed 'req->src'\n");
2838		if (req->dst != tsgls->dst.sgl_ptr)
2839			pr_err("alg: skcipher: changed 'req->dst'\n");
2840		if (crypto_skcipher_reqtfm(req) != tfm)
2841			pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2842		if (req->base.complete != crypto_req_done)
2843			pr_err("alg: skcipher: changed 'req->base.complete'\n");
2844		if (req->base.flags != req_flags)
2845			pr_err("alg: skcipher: changed 'req->base.flags'\n");
2846		if (req->base.data != &wait)
2847			pr_err("alg: skcipher: changed 'req->base.data'\n");
2848		return -EINVAL;
2849	}
2850	if (is_test_sglist_corrupted(&tsgls->src)) {
2851		pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2852		       driver, op, vec_name, cfg->name);
2853		return -EINVAL;
2854	}
2855	if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2856	    is_test_sglist_corrupted(&tsgls->dst)) {
2857		pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2858		       driver, op, vec_name, cfg->name);
2859		return -EINVAL;
2860	}
2861
2862	/* Check for success or failure */
2863	if (err) {
2864		if (err == vec->crypt_error)
2865			return 0;
2866		pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2867		       driver, op, vec_name, vec->crypt_error, err, cfg->name);
2868		return err;
2869	}
2870	if (vec->crypt_error) {
2871		pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2872		       driver, op, vec_name, vec->crypt_error, cfg->name);
2873		return -EINVAL;
2874	}
2875
2876	/* Check for the correct output (ciphertext or plaintext) */
2877	err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2878				    vec->len, 0, true);
2879	if (err == -EOVERFLOW) {
2880		pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2881		       driver, op, vec_name, cfg->name);
2882		return err;
2883	}
2884	if (err) {
2885		pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2886		       driver, op, vec_name, cfg->name);
2887		return err;
2888	}
2889
2890	/* If applicable, check that the algorithm generated the correct IV */
2891	if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2892		pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2893		       driver, op, vec_name, cfg->name);
2894		hexdump(iv, ivsize);
2895		return -EINVAL;
2896	}
2897
2898	return 0;
2899}
2900
2901static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
 
2902			     unsigned int vec_num,
2903			     struct skcipher_request *req,
2904			     struct cipher_test_sglists *tsgls)
2905{
2906	char vec_name[16];
2907	unsigned int i;
2908	int err;
2909
2910	if (fips_enabled && vec->fips_skip)
2911		return 0;
2912
2913	sprintf(vec_name, "%u", vec_num);
2914
2915	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2916		err = test_skcipher_vec_cfg(enc, vec, vec_name,
2917					    &default_cipher_testvec_configs[i],
2918					    req, tsgls);
2919		if (err)
2920			return err;
2921	}
2922
2923#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2924	if (!noextratests) {
2925		struct testvec_config cfg;
2926		char cfgname[TESTVEC_CONFIG_NAMELEN];
2927
2928		for (i = 0; i < fuzz_iterations; i++) {
2929			generate_random_testvec_config(&cfg, cfgname,
2930						       sizeof(cfgname));
2931			err = test_skcipher_vec_cfg(enc, vec, vec_name,
2932						    &cfg, req, tsgls);
2933			if (err)
2934				return err;
2935			cond_resched();
2936		}
2937	}
2938#endif
2939	return 0;
2940}
2941
2942#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2943/*
2944 * Generate a symmetric cipher test vector from the given implementation.
2945 * Assumes the buffers in 'vec' were already allocated.
2946 */
2947static void generate_random_cipher_testvec(struct skcipher_request *req,
2948					   struct cipher_testvec *vec,
2949					   unsigned int maxdatasize,
2950					   char *name, size_t max_namelen)
2951{
2952	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2953	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
2954	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2955	struct scatterlist src, dst;
2956	u8 iv[MAX_IVLEN];
2957	DECLARE_CRYPTO_WAIT(wait);
2958
2959	/* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2960	vec->klen = maxkeysize;
2961	if (get_random_u32_below(4) == 0)
2962		vec->klen = get_random_u32_below(maxkeysize + 1);
2963	generate_random_bytes((u8 *)vec->key, vec->klen);
2964	vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
2965
2966	/* IV */
2967	generate_random_bytes((u8 *)vec->iv, ivsize);
2968
2969	/* Plaintext */
2970	vec->len = generate_random_length(maxdatasize);
2971	generate_random_bytes((u8 *)vec->ptext, vec->len);
2972
2973	/* If the key couldn't be set, no need to continue to encrypt. */
2974	if (vec->setkey_error)
2975		goto done;
2976
2977	/* Ciphertext */
2978	sg_init_one(&src, vec->ptext, vec->len);
2979	sg_init_one(&dst, vec->ctext, vec->len);
2980	memcpy(iv, vec->iv, ivsize);
2981	skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
2982	skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
2983	vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
2984	if (vec->crypt_error != 0) {
2985		/*
2986		 * The only acceptable error here is for an invalid length, so
2987		 * skcipher decryption should fail with the same error too.
2988		 * We'll test for this.  But to keep the API usage well-defined,
2989		 * explicitly initialize the ciphertext buffer too.
2990		 */
2991		memset((u8 *)vec->ctext, 0, vec->len);
2992	}
2993done:
2994	snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
2995		 vec->len, vec->klen);
2996}
2997
2998/*
2999 * Test the skcipher algorithm represented by @req against the corresponding
3000 * generic implementation, if one is available.
3001 */
3002static int test_skcipher_vs_generic_impl(const char *generic_driver,
 
3003					 struct skcipher_request *req,
3004					 struct cipher_test_sglists *tsgls)
3005{
3006	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3007	const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3008	const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3009	const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3010	const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3011	const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3012	const char *driver = crypto_skcipher_driver_name(tfm);
3013	char _generic_driver[CRYPTO_MAX_ALG_NAME];
3014	struct crypto_skcipher *generic_tfm = NULL;
3015	struct skcipher_request *generic_req = NULL;
3016	unsigned int i;
3017	struct cipher_testvec vec = { 0 };
3018	char vec_name[64];
3019	struct testvec_config *cfg;
3020	char cfgname[TESTVEC_CONFIG_NAMELEN];
3021	int err;
3022
3023	if (noextratests)
3024		return 0;
3025
3026	/* Keywrap isn't supported here yet as it handles its IV differently. */
3027	if (strncmp(algname, "kw(", 3) == 0)
3028		return 0;
3029
3030	if (!generic_driver) { /* Use default naming convention? */
3031		err = build_generic_driver_name(algname, _generic_driver);
3032		if (err)
3033			return err;
3034		generic_driver = _generic_driver;
3035	}
3036
3037	if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3038		return 0;
3039
3040	generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3041	if (IS_ERR(generic_tfm)) {
3042		err = PTR_ERR(generic_tfm);
3043		if (err == -ENOENT) {
3044			pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3045				driver, generic_driver);
3046			return 0;
3047		}
3048		pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3049		       generic_driver, algname, err);
3050		return err;
3051	}
3052
3053	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3054	if (!cfg) {
3055		err = -ENOMEM;
3056		goto out;
3057	}
3058
3059	generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3060	if (!generic_req) {
3061		err = -ENOMEM;
3062		goto out;
3063	}
3064
3065	/* Check the algorithm properties for consistency. */
3066
3067	if (crypto_skcipher_min_keysize(tfm) !=
3068	    crypto_skcipher_min_keysize(generic_tfm)) {
3069		pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3070		       driver, crypto_skcipher_min_keysize(tfm),
3071		       crypto_skcipher_min_keysize(generic_tfm));
3072		err = -EINVAL;
3073		goto out;
3074	}
3075
3076	if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3077		pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3078		       driver, maxkeysize,
3079		       crypto_skcipher_max_keysize(generic_tfm));
3080		err = -EINVAL;
3081		goto out;
3082	}
3083
3084	if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3085		pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3086		       driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3087		err = -EINVAL;
3088		goto out;
3089	}
3090
3091	if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3092		pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3093		       driver, blocksize,
3094		       crypto_skcipher_blocksize(generic_tfm));
3095		err = -EINVAL;
3096		goto out;
3097	}
3098
3099	/*
3100	 * Now generate test vectors using the generic implementation, and test
3101	 * the other implementation against them.
3102	 */
3103
3104	vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3105	vec.iv = kmalloc(ivsize, GFP_KERNEL);
3106	vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3107	vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3108	if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3109		err = -ENOMEM;
3110		goto out;
3111	}
3112
3113	for (i = 0; i < fuzz_iterations * 8; i++) {
3114		generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
3115					       vec_name, sizeof(vec_name));
3116		generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
3117
3118		err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3119					    cfg, req, tsgls);
3120		if (err)
3121			goto out;
3122		err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3123					    cfg, req, tsgls);
3124		if (err)
3125			goto out;
3126		cond_resched();
3127	}
3128	err = 0;
3129out:
3130	kfree(cfg);
3131	kfree(vec.key);
3132	kfree(vec.iv);
3133	kfree(vec.ptext);
3134	kfree(vec.ctext);
3135	crypto_free_skcipher(generic_tfm);
3136	skcipher_request_free(generic_req);
3137	return err;
3138}
3139#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3140static int test_skcipher_vs_generic_impl(const char *generic_driver,
 
3141					 struct skcipher_request *req,
3142					 struct cipher_test_sglists *tsgls)
3143{
3144	return 0;
3145}
3146#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3147
3148static int test_skcipher(int enc, const struct cipher_test_suite *suite,
 
3149			 struct skcipher_request *req,
3150			 struct cipher_test_sglists *tsgls)
3151{
3152	unsigned int i;
3153	int err;
3154
3155	for (i = 0; i < suite->count; i++) {
3156		err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
 
3157		if (err)
3158			return err;
3159		cond_resched();
3160	}
3161	return 0;
3162}
3163
3164static int alg_test_skcipher(const struct alg_test_desc *desc,
3165			     const char *driver, u32 type, u32 mask)
3166{
3167	const struct cipher_test_suite *suite = &desc->suite.cipher;
3168	struct crypto_skcipher *tfm;
3169	struct skcipher_request *req = NULL;
3170	struct cipher_test_sglists *tsgls = NULL;
3171	int err;
3172
3173	if (suite->count <= 0) {
3174		pr_err("alg: skcipher: empty test suite for %s\n", driver);
3175		return -EINVAL;
3176	}
3177
3178	tfm = crypto_alloc_skcipher(driver, type, mask);
3179	if (IS_ERR(tfm)) {
3180		pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3181		       driver, PTR_ERR(tfm));
3182		return PTR_ERR(tfm);
3183	}
3184	driver = crypto_skcipher_driver_name(tfm);
3185
3186	req = skcipher_request_alloc(tfm, GFP_KERNEL);
3187	if (!req) {
3188		pr_err("alg: skcipher: failed to allocate request for %s\n",
3189		       driver);
3190		err = -ENOMEM;
3191		goto out;
3192	}
3193
3194	tsgls = alloc_cipher_test_sglists();
3195	if (!tsgls) {
3196		pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3197		       driver);
3198		err = -ENOMEM;
3199		goto out;
3200	}
3201
3202	err = test_skcipher(ENCRYPT, suite, req, tsgls);
3203	if (err)
3204		goto out;
3205
3206	err = test_skcipher(DECRYPT, suite, req, tsgls);
3207	if (err)
3208		goto out;
3209
3210	err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
 
3211out:
3212	free_cipher_test_sglists(tsgls);
3213	skcipher_request_free(req);
3214	crypto_free_skcipher(tfm);
3215	return err;
3216}
3217
3218static int test_comp(struct crypto_comp *tfm,
3219		     const struct comp_testvec *ctemplate,
3220		     const struct comp_testvec *dtemplate,
3221		     int ctcount, int dtcount)
3222{
3223	const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3224	char *output, *decomp_output;
3225	unsigned int i;
3226	int ret;
3227
3228	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3229	if (!output)
3230		return -ENOMEM;
3231
3232	decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3233	if (!decomp_output) {
3234		kfree(output);
3235		return -ENOMEM;
3236	}
3237
3238	for (i = 0; i < ctcount; i++) {
3239		int ilen;
3240		unsigned int dlen = COMP_BUF_SIZE;
3241
3242		memset(output, 0, COMP_BUF_SIZE);
3243		memset(decomp_output, 0, COMP_BUF_SIZE);
3244
3245		ilen = ctemplate[i].inlen;
3246		ret = crypto_comp_compress(tfm, ctemplate[i].input,
3247					   ilen, output, &dlen);
3248		if (ret) {
3249			printk(KERN_ERR "alg: comp: compression failed "
3250			       "on test %d for %s: ret=%d\n", i + 1, algo,
3251			       -ret);
3252			goto out;
3253		}
3254
3255		ilen = dlen;
3256		dlen = COMP_BUF_SIZE;
3257		ret = crypto_comp_decompress(tfm, output,
3258					     ilen, decomp_output, &dlen);
3259		if (ret) {
3260			pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3261			       i + 1, algo, -ret);
3262			goto out;
3263		}
3264
3265		if (dlen != ctemplate[i].inlen) {
3266			printk(KERN_ERR "alg: comp: Compression test %d "
3267			       "failed for %s: output len = %d\n", i + 1, algo,
3268			       dlen);
3269			ret = -EINVAL;
3270			goto out;
3271		}
3272
3273		if (memcmp(decomp_output, ctemplate[i].input,
3274			   ctemplate[i].inlen)) {
3275			pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3276			       i + 1, algo);
3277			hexdump(decomp_output, dlen);
3278			ret = -EINVAL;
3279			goto out;
3280		}
3281	}
3282
3283	for (i = 0; i < dtcount; i++) {
3284		int ilen;
3285		unsigned int dlen = COMP_BUF_SIZE;
3286
3287		memset(decomp_output, 0, COMP_BUF_SIZE);
3288
3289		ilen = dtemplate[i].inlen;
3290		ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3291					     ilen, decomp_output, &dlen);
3292		if (ret) {
3293			printk(KERN_ERR "alg: comp: decompression failed "
3294			       "on test %d for %s: ret=%d\n", i + 1, algo,
3295			       -ret);
3296			goto out;
3297		}
3298
3299		if (dlen != dtemplate[i].outlen) {
3300			printk(KERN_ERR "alg: comp: Decompression test %d "
3301			       "failed for %s: output len = %d\n", i + 1, algo,
3302			       dlen);
3303			ret = -EINVAL;
3304			goto out;
3305		}
3306
3307		if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3308			printk(KERN_ERR "alg: comp: Decompression test %d "
3309			       "failed for %s\n", i + 1, algo);
3310			hexdump(decomp_output, dlen);
3311			ret = -EINVAL;
3312			goto out;
3313		}
3314	}
3315
3316	ret = 0;
3317
3318out:
3319	kfree(decomp_output);
3320	kfree(output);
3321	return ret;
3322}
3323
3324static int test_acomp(struct crypto_acomp *tfm,
3325		      const struct comp_testvec *ctemplate,
3326		      const struct comp_testvec *dtemplate,
3327		      int ctcount, int dtcount)
3328{
3329	const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3330	unsigned int i;
3331	char *output, *decomp_out;
3332	int ret;
3333	struct scatterlist src, dst;
3334	struct acomp_req *req;
3335	struct crypto_wait wait;
3336
3337	output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3338	if (!output)
3339		return -ENOMEM;
3340
3341	decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3342	if (!decomp_out) {
3343		kfree(output);
3344		return -ENOMEM;
3345	}
3346
3347	for (i = 0; i < ctcount; i++) {
3348		unsigned int dlen = COMP_BUF_SIZE;
3349		int ilen = ctemplate[i].inlen;
3350		void *input_vec;
3351
3352		input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3353		if (!input_vec) {
3354			ret = -ENOMEM;
3355			goto out;
3356		}
3357
3358		memset(output, 0, dlen);
3359		crypto_init_wait(&wait);
3360		sg_init_one(&src, input_vec, ilen);
3361		sg_init_one(&dst, output, dlen);
3362
3363		req = acomp_request_alloc(tfm);
3364		if (!req) {
3365			pr_err("alg: acomp: request alloc failed for %s\n",
3366			       algo);
3367			kfree(input_vec);
3368			ret = -ENOMEM;
3369			goto out;
3370		}
3371
3372		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3373		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3374					   crypto_req_done, &wait);
3375
3376		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3377		if (ret) {
3378			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3379			       i + 1, algo, -ret);
3380			kfree(input_vec);
3381			acomp_request_free(req);
3382			goto out;
3383		}
3384
3385		ilen = req->dlen;
3386		dlen = COMP_BUF_SIZE;
3387		sg_init_one(&src, output, ilen);
3388		sg_init_one(&dst, decomp_out, dlen);
3389		crypto_init_wait(&wait);
3390		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3391
3392		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3393		if (ret) {
3394			pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3395			       i + 1, algo, -ret);
3396			kfree(input_vec);
3397			acomp_request_free(req);
3398			goto out;
3399		}
3400
3401		if (req->dlen != ctemplate[i].inlen) {
3402			pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3403			       i + 1, algo, req->dlen);
3404			ret = -EINVAL;
3405			kfree(input_vec);
3406			acomp_request_free(req);
3407			goto out;
3408		}
3409
3410		if (memcmp(input_vec, decomp_out, req->dlen)) {
3411			pr_err("alg: acomp: Compression test %d failed for %s\n",
3412			       i + 1, algo);
3413			hexdump(output, req->dlen);
3414			ret = -EINVAL;
3415			kfree(input_vec);
3416			acomp_request_free(req);
3417			goto out;
3418		}
3419
3420#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3421		crypto_init_wait(&wait);
3422		sg_init_one(&src, input_vec, ilen);
3423		acomp_request_set_params(req, &src, NULL, ilen, 0);
3424
3425		ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3426		if (ret) {
3427			pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3428			       i + 1, algo, -ret);
3429			kfree(input_vec);
3430			acomp_request_free(req);
3431			goto out;
3432		}
3433#endif
3434
3435		kfree(input_vec);
3436		acomp_request_free(req);
3437	}
3438
3439	for (i = 0; i < dtcount; i++) {
3440		unsigned int dlen = COMP_BUF_SIZE;
3441		int ilen = dtemplate[i].inlen;
3442		void *input_vec;
3443
3444		input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3445		if (!input_vec) {
3446			ret = -ENOMEM;
3447			goto out;
3448		}
3449
3450		memset(output, 0, dlen);
3451		crypto_init_wait(&wait);
3452		sg_init_one(&src, input_vec, ilen);
3453		sg_init_one(&dst, output, dlen);
3454
3455		req = acomp_request_alloc(tfm);
3456		if (!req) {
3457			pr_err("alg: acomp: request alloc failed for %s\n",
3458			       algo);
3459			kfree(input_vec);
3460			ret = -ENOMEM;
3461			goto out;
3462		}
3463
3464		acomp_request_set_params(req, &src, &dst, ilen, dlen);
3465		acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3466					   crypto_req_done, &wait);
3467
3468		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3469		if (ret) {
3470			pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3471			       i + 1, algo, -ret);
3472			kfree(input_vec);
3473			acomp_request_free(req);
3474			goto out;
3475		}
3476
3477		if (req->dlen != dtemplate[i].outlen) {
3478			pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3479			       i + 1, algo, req->dlen);
3480			ret = -EINVAL;
3481			kfree(input_vec);
3482			acomp_request_free(req);
3483			goto out;
3484		}
3485
3486		if (memcmp(output, dtemplate[i].output, req->dlen)) {
3487			pr_err("alg: acomp: Decompression test %d failed for %s\n",
3488			       i + 1, algo);
3489			hexdump(output, req->dlen);
3490			ret = -EINVAL;
3491			kfree(input_vec);
3492			acomp_request_free(req);
3493			goto out;
3494		}
3495
3496#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3497		crypto_init_wait(&wait);
3498		acomp_request_set_params(req, &src, NULL, ilen, 0);
3499
3500		ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3501		if (ret) {
3502			pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3503			       i + 1, algo, -ret);
3504			kfree(input_vec);
3505			acomp_request_free(req);
3506			goto out;
3507		}
3508#endif
3509
3510		kfree(input_vec);
3511		acomp_request_free(req);
3512	}
3513
3514	ret = 0;
3515
3516out:
3517	kfree(decomp_out);
3518	kfree(output);
3519	return ret;
3520}
3521
3522static int test_cprng(struct crypto_rng *tfm,
3523		      const struct cprng_testvec *template,
3524		      unsigned int tcount)
3525{
3526	const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3527	int err = 0, i, j, seedsize;
3528	u8 *seed;
3529	char result[32];
3530
3531	seedsize = crypto_rng_seedsize(tfm);
3532
3533	seed = kmalloc(seedsize, GFP_KERNEL);
3534	if (!seed) {
3535		printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3536		       "for %s\n", algo);
3537		return -ENOMEM;
3538	}
3539
3540	for (i = 0; i < tcount; i++) {
3541		memset(result, 0, 32);
3542
3543		memcpy(seed, template[i].v, template[i].vlen);
3544		memcpy(seed + template[i].vlen, template[i].key,
3545		       template[i].klen);
3546		memcpy(seed + template[i].vlen + template[i].klen,
3547		       template[i].dt, template[i].dtlen);
3548
3549		err = crypto_rng_reset(tfm, seed, seedsize);
3550		if (err) {
3551			printk(KERN_ERR "alg: cprng: Failed to reset rng "
3552			       "for %s\n", algo);
3553			goto out;
3554		}
3555
3556		for (j = 0; j < template[i].loops; j++) {
3557			err = crypto_rng_get_bytes(tfm, result,
3558						   template[i].rlen);
3559			if (err < 0) {
3560				printk(KERN_ERR "alg: cprng: Failed to obtain "
3561				       "the correct amount of random data for "
3562				       "%s (requested %d)\n", algo,
3563				       template[i].rlen);
3564				goto out;
3565			}
3566		}
3567
3568		err = memcmp(result, template[i].result,
3569			     template[i].rlen);
3570		if (err) {
3571			printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3572			       i, algo);
3573			hexdump(result, template[i].rlen);
3574			err = -EINVAL;
3575			goto out;
3576		}
3577	}
3578
3579out:
3580	kfree(seed);
3581	return err;
3582}
3583
3584static int alg_test_cipher(const struct alg_test_desc *desc,
3585			   const char *driver, u32 type, u32 mask)
3586{
3587	const struct cipher_test_suite *suite = &desc->suite.cipher;
3588	struct crypto_cipher *tfm;
3589	int err;
3590
3591	tfm = crypto_alloc_cipher(driver, type, mask);
3592	if (IS_ERR(tfm)) {
3593		printk(KERN_ERR "alg: cipher: Failed to load transform for "
3594		       "%s: %ld\n", driver, PTR_ERR(tfm));
3595		return PTR_ERR(tfm);
3596	}
3597
3598	err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3599	if (!err)
3600		err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3601
3602	crypto_free_cipher(tfm);
3603	return err;
3604}
3605
3606static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3607			 u32 type, u32 mask)
3608{
3609	struct crypto_comp *comp;
3610	struct crypto_acomp *acomp;
3611	int err;
3612	u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3613
3614	if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3615		acomp = crypto_alloc_acomp(driver, type, mask);
3616		if (IS_ERR(acomp)) {
3617			pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3618			       driver, PTR_ERR(acomp));
3619			return PTR_ERR(acomp);
3620		}
3621		err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3622				 desc->suite.comp.decomp.vecs,
3623				 desc->suite.comp.comp.count,
3624				 desc->suite.comp.decomp.count);
3625		crypto_free_acomp(acomp);
3626	} else {
3627		comp = crypto_alloc_comp(driver, type, mask);
3628		if (IS_ERR(comp)) {
3629			pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3630			       driver, PTR_ERR(comp));
3631			return PTR_ERR(comp);
3632		}
3633
3634		err = test_comp(comp, desc->suite.comp.comp.vecs,
3635				desc->suite.comp.decomp.vecs,
3636				desc->suite.comp.comp.count,
3637				desc->suite.comp.decomp.count);
3638
3639		crypto_free_comp(comp);
3640	}
3641	return err;
3642}
3643
3644static int alg_test_crc32c(const struct alg_test_desc *desc,
3645			   const char *driver, u32 type, u32 mask)
3646{
3647	struct crypto_shash *tfm;
3648	__le32 val;
3649	int err;
3650
3651	err = alg_test_hash(desc, driver, type, mask);
3652	if (err)
3653		return err;
3654
3655	tfm = crypto_alloc_shash(driver, type, mask);
3656	if (IS_ERR(tfm)) {
3657		if (PTR_ERR(tfm) == -ENOENT) {
3658			/*
3659			 * This crc32c implementation is only available through
3660			 * ahash API, not the shash API, so the remaining part
3661			 * of the test is not applicable to it.
3662			 */
3663			return 0;
3664		}
3665		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3666		       "%ld\n", driver, PTR_ERR(tfm));
3667		return PTR_ERR(tfm);
3668	}
3669	driver = crypto_shash_driver_name(tfm);
3670
3671	do {
3672		SHASH_DESC_ON_STACK(shash, tfm);
3673		u32 *ctx = (u32 *)shash_desc_ctx(shash);
3674
3675		shash->tfm = tfm;
3676
3677		*ctx = 420553207;
3678		err = crypto_shash_final(shash, (u8 *)&val);
3679		if (err) {
3680			printk(KERN_ERR "alg: crc32c: Operation failed for "
3681			       "%s: %d\n", driver, err);
3682			break;
3683		}
3684
3685		if (val != cpu_to_le32(~420553207)) {
3686			pr_err("alg: crc32c: Test failed for %s: %u\n",
3687			       driver, le32_to_cpu(val));
3688			err = -EINVAL;
3689		}
3690	} while (0);
3691
3692	crypto_free_shash(tfm);
3693
3694	return err;
3695}
3696
3697static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3698			  u32 type, u32 mask)
3699{
3700	struct crypto_rng *rng;
3701	int err;
3702
3703	rng = crypto_alloc_rng(driver, type, mask);
3704	if (IS_ERR(rng)) {
3705		printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3706		       "%ld\n", driver, PTR_ERR(rng));
3707		return PTR_ERR(rng);
3708	}
3709
3710	err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3711
3712	crypto_free_rng(rng);
3713
3714	return err;
3715}
3716
3717
3718static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3719			  const char *driver, u32 type, u32 mask)
3720{
3721	int ret = -EAGAIN;
3722	struct crypto_rng *drng;
3723	struct drbg_test_data test_data;
3724	struct drbg_string addtl, pers, testentropy;
3725	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3726
3727	if (!buf)
3728		return -ENOMEM;
3729
3730	drng = crypto_alloc_rng(driver, type, mask);
3731	if (IS_ERR(drng)) {
3732		printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3733		       "%s\n", driver);
3734		kfree_sensitive(buf);
3735		return -ENOMEM;
3736	}
3737
3738	test_data.testentropy = &testentropy;
3739	drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3740	drbg_string_fill(&pers, test->pers, test->perslen);
3741	ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3742	if (ret) {
3743		printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3744		goto outbuf;
3745	}
3746
3747	drbg_string_fill(&addtl, test->addtla, test->addtllen);
3748	if (pr) {
3749		drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3750		ret = crypto_drbg_get_bytes_addtl_test(drng,
3751			buf, test->expectedlen, &addtl,	&test_data);
3752	} else {
3753		ret = crypto_drbg_get_bytes_addtl(drng,
3754			buf, test->expectedlen, &addtl);
3755	}
3756	if (ret < 0) {
3757		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3758		       "driver %s\n", driver);
3759		goto outbuf;
3760	}
3761
3762	drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3763	if (pr) {
3764		drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3765		ret = crypto_drbg_get_bytes_addtl_test(drng,
3766			buf, test->expectedlen, &addtl, &test_data);
3767	} else {
3768		ret = crypto_drbg_get_bytes_addtl(drng,
3769			buf, test->expectedlen, &addtl);
3770	}
3771	if (ret < 0) {
3772		printk(KERN_ERR "alg: drbg: could not obtain random data for "
3773		       "driver %s\n", driver);
3774		goto outbuf;
3775	}
3776
3777	ret = memcmp(test->expected, buf, test->expectedlen);
3778
3779outbuf:
3780	crypto_free_rng(drng);
3781	kfree_sensitive(buf);
3782	return ret;
3783}
3784
3785
3786static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3787			 u32 type, u32 mask)
3788{
3789	int err = 0;
3790	int pr = 0;
3791	int i = 0;
3792	const struct drbg_testvec *template = desc->suite.drbg.vecs;
3793	unsigned int tcount = desc->suite.drbg.count;
3794
3795	if (0 == memcmp(driver, "drbg_pr_", 8))
3796		pr = 1;
3797
3798	for (i = 0; i < tcount; i++) {
3799		err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3800		if (err) {
3801			printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3802			       i, driver);
3803			err = -EINVAL;
3804			break;
3805		}
3806	}
3807	return err;
3808
3809}
3810
3811static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3812		       const char *alg)
3813{
3814	struct kpp_request *req;
3815	void *input_buf = NULL;
3816	void *output_buf = NULL;
3817	void *a_public = NULL;
3818	void *a_ss = NULL;
3819	void *shared_secret = NULL;
3820	struct crypto_wait wait;
3821	unsigned int out_len_max;
3822	int err = -ENOMEM;
3823	struct scatterlist src, dst;
3824
3825	req = kpp_request_alloc(tfm, GFP_KERNEL);
3826	if (!req)
3827		return err;
3828
3829	crypto_init_wait(&wait);
3830
3831	err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3832	if (err < 0)
3833		goto free_req;
3834
3835	out_len_max = crypto_kpp_maxsize(tfm);
3836	output_buf = kzalloc(out_len_max, GFP_KERNEL);
3837	if (!output_buf) {
3838		err = -ENOMEM;
3839		goto free_req;
3840	}
3841
3842	/* Use appropriate parameter as base */
3843	kpp_request_set_input(req, NULL, 0);
3844	sg_init_one(&dst, output_buf, out_len_max);
3845	kpp_request_set_output(req, &dst, out_len_max);
3846	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3847				 crypto_req_done, &wait);
3848
3849	/* Compute party A's public key */
3850	err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3851	if (err) {
3852		pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3853		       alg, err);
3854		goto free_output;
3855	}
3856
3857	if (vec->genkey) {
3858		/* Save party A's public key */
3859		a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3860		if (!a_public) {
3861			err = -ENOMEM;
3862			goto free_output;
3863		}
3864	} else {
3865		/* Verify calculated public key */
3866		if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3867			   vec->expected_a_public_size)) {
3868			pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3869			       alg);
3870			err = -EINVAL;
3871			goto free_output;
3872		}
3873	}
3874
3875	/* Calculate shared secret key by using counter part (b) public key. */
3876	input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3877	if (!input_buf) {
3878		err = -ENOMEM;
3879		goto free_output;
3880	}
3881
3882	sg_init_one(&src, input_buf, vec->b_public_size);
3883	sg_init_one(&dst, output_buf, out_len_max);
3884	kpp_request_set_input(req, &src, vec->b_public_size);
3885	kpp_request_set_output(req, &dst, out_len_max);
3886	kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3887				 crypto_req_done, &wait);
3888	err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3889	if (err) {
3890		pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3891		       alg, err);
3892		goto free_all;
3893	}
3894
3895	if (vec->genkey) {
3896		/* Save the shared secret obtained by party A */
3897		a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3898		if (!a_ss) {
3899			err = -ENOMEM;
3900			goto free_all;
3901		}
3902
3903		/*
3904		 * Calculate party B's shared secret by using party A's
3905		 * public key.
3906		 */
3907		err = crypto_kpp_set_secret(tfm, vec->b_secret,
3908					    vec->b_secret_size);
3909		if (err < 0)
3910			goto free_all;
3911
3912		sg_init_one(&src, a_public, vec->expected_a_public_size);
3913		sg_init_one(&dst, output_buf, out_len_max);
3914		kpp_request_set_input(req, &src, vec->expected_a_public_size);
3915		kpp_request_set_output(req, &dst, out_len_max);
3916		kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3917					 crypto_req_done, &wait);
3918		err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3919				      &wait);
3920		if (err) {
3921			pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3922			       alg, err);
3923			goto free_all;
3924		}
3925
3926		shared_secret = a_ss;
3927	} else {
3928		shared_secret = (void *)vec->expected_ss;
3929	}
3930
3931	/*
3932	 * verify shared secret from which the user will derive
3933	 * secret key by executing whatever hash it has chosen
3934	 */
3935	if (memcmp(shared_secret, sg_virt(req->dst),
3936		   vec->expected_ss_size)) {
3937		pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
3938		       alg);
3939		err = -EINVAL;
3940	}
3941
3942free_all:
3943	kfree(a_ss);
3944	kfree(input_buf);
3945free_output:
3946	kfree(a_public);
3947	kfree(output_buf);
3948free_req:
3949	kpp_request_free(req);
3950	return err;
3951}
3952
3953static int test_kpp(struct crypto_kpp *tfm, const char *alg,
3954		    const struct kpp_testvec *vecs, unsigned int tcount)
3955{
3956	int ret, i;
3957
3958	for (i = 0; i < tcount; i++) {
3959		ret = do_test_kpp(tfm, vecs++, alg);
3960		if (ret) {
3961			pr_err("alg: %s: test failed on vector %d, err=%d\n",
3962			       alg, i + 1, ret);
3963			return ret;
3964		}
3965	}
3966	return 0;
3967}
3968
3969static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
3970			u32 type, u32 mask)
3971{
3972	struct crypto_kpp *tfm;
3973	int err = 0;
3974
3975	tfm = crypto_alloc_kpp(driver, type, mask);
3976	if (IS_ERR(tfm)) {
3977		pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
3978		       driver, PTR_ERR(tfm));
3979		return PTR_ERR(tfm);
3980	}
3981	if (desc->suite.kpp.vecs)
3982		err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
3983			       desc->suite.kpp.count);
3984
3985	crypto_free_kpp(tfm);
3986	return err;
3987}
3988
3989static u8 *test_pack_u32(u8 *dst, u32 val)
3990{
3991	memcpy(dst, &val, sizeof(val));
3992	return dst + sizeof(val);
3993}
3994
3995static int test_akcipher_one(struct crypto_akcipher *tfm,
3996			     const struct akcipher_testvec *vecs)
3997{
3998	char *xbuf[XBUFSIZE];
3999	struct akcipher_request *req;
4000	void *outbuf_enc = NULL;
4001	void *outbuf_dec = NULL;
4002	struct crypto_wait wait;
4003	unsigned int out_len_max, out_len = 0;
4004	int err = -ENOMEM;
4005	struct scatterlist src, dst, src_tab[3];
4006	const char *m, *c;
4007	unsigned int m_size, c_size;
4008	const char *op;
4009	u8 *key, *ptr;
4010
4011	if (testmgr_alloc_buf(xbuf))
4012		return err;
4013
4014	req = akcipher_request_alloc(tfm, GFP_KERNEL);
4015	if (!req)
4016		goto free_xbuf;
4017
4018	crypto_init_wait(&wait);
4019
4020	key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4021		      GFP_KERNEL);
4022	if (!key)
4023		goto free_req;
4024	memcpy(key, vecs->key, vecs->key_len);
4025	ptr = key + vecs->key_len;
4026	ptr = test_pack_u32(ptr, vecs->algo);
4027	ptr = test_pack_u32(ptr, vecs->param_len);
4028	memcpy(ptr, vecs->params, vecs->param_len);
4029
4030	if (vecs->public_key_vec)
4031		err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4032	else
4033		err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4034	if (err)
4035		goto free_key;
4036
4037	/*
4038	 * First run test which do not require a private key, such as
4039	 * encrypt or verify.
4040	 */
4041	err = -ENOMEM;
4042	out_len_max = crypto_akcipher_maxsize(tfm);
4043	outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4044	if (!outbuf_enc)
4045		goto free_key;
4046
4047	if (!vecs->siggen_sigver_test) {
4048		m = vecs->m;
4049		m_size = vecs->m_size;
4050		c = vecs->c;
4051		c_size = vecs->c_size;
4052		op = "encrypt";
4053	} else {
4054		/* Swap args so we could keep plaintext (digest)
4055		 * in vecs->m, and cooked signature in vecs->c.
4056		 */
4057		m = vecs->c; /* signature */
4058		m_size = vecs->c_size;
4059		c = vecs->m; /* digest */
4060		c_size = vecs->m_size;
4061		op = "verify";
4062	}
4063
4064	err = -E2BIG;
4065	if (WARN_ON(m_size > PAGE_SIZE))
4066		goto free_all;
4067	memcpy(xbuf[0], m, m_size);
4068
4069	sg_init_table(src_tab, 3);
4070	sg_set_buf(&src_tab[0], xbuf[0], 8);
4071	sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4072	if (vecs->siggen_sigver_test) {
4073		if (WARN_ON(c_size > PAGE_SIZE))
4074			goto free_all;
4075		memcpy(xbuf[1], c, c_size);
4076		sg_set_buf(&src_tab[2], xbuf[1], c_size);
4077		akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4078	} else {
4079		sg_init_one(&dst, outbuf_enc, out_len_max);
4080		akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4081					   out_len_max);
4082	}
4083	akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4084				      crypto_req_done, &wait);
4085
4086	err = crypto_wait_req(vecs->siggen_sigver_test ?
4087			      /* Run asymmetric signature verification */
4088			      crypto_akcipher_verify(req) :
4089			      /* Run asymmetric encrypt */
4090			      crypto_akcipher_encrypt(req), &wait);
4091	if (err) {
4092		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4093		goto free_all;
4094	}
4095	if (!vecs->siggen_sigver_test && c) {
4096		if (req->dst_len != c_size) {
4097			pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4098			       op);
4099			err = -EINVAL;
4100			goto free_all;
4101		}
4102		/* verify that encrypted message is equal to expected */
4103		if (memcmp(c, outbuf_enc, c_size) != 0) {
4104			pr_err("alg: akcipher: %s test failed. Invalid output\n",
4105			       op);
4106			hexdump(outbuf_enc, c_size);
4107			err = -EINVAL;
4108			goto free_all;
4109		}
4110	}
4111
4112	/*
4113	 * Don't invoke (decrypt or sign) test which require a private key
4114	 * for vectors with only a public key.
4115	 */
4116	if (vecs->public_key_vec) {
4117		err = 0;
4118		goto free_all;
4119	}
4120	outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4121	if (!outbuf_dec) {
4122		err = -ENOMEM;
4123		goto free_all;
4124	}
4125
4126	if (!vecs->siggen_sigver_test && !c) {
4127		c = outbuf_enc;
4128		c_size = req->dst_len;
4129	}
4130
4131	err = -E2BIG;
4132	op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4133	if (WARN_ON(c_size > PAGE_SIZE))
4134		goto free_all;
4135	memcpy(xbuf[0], c, c_size);
4136
4137	sg_init_one(&src, xbuf[0], c_size);
4138	sg_init_one(&dst, outbuf_dec, out_len_max);
4139	crypto_init_wait(&wait);
4140	akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4141
4142	err = crypto_wait_req(vecs->siggen_sigver_test ?
4143			      /* Run asymmetric signature generation */
4144			      crypto_akcipher_sign(req) :
4145			      /* Run asymmetric decrypt */
4146			      crypto_akcipher_decrypt(req), &wait);
4147	if (err) {
4148		pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4149		goto free_all;
4150	}
4151	out_len = req->dst_len;
4152	if (out_len < m_size) {
4153		pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4154		       op, out_len);
4155		err = -EINVAL;
4156		goto free_all;
4157	}
4158	/* verify that decrypted message is equal to the original msg */
4159	if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4160	    memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4161		pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4162		hexdump(outbuf_dec, out_len);
4163		err = -EINVAL;
4164	}
4165free_all:
4166	kfree(outbuf_dec);
4167	kfree(outbuf_enc);
4168free_key:
4169	kfree(key);
4170free_req:
4171	akcipher_request_free(req);
 
4172free_xbuf:
4173	testmgr_free_buf(xbuf);
4174	return err;
4175}
4176
4177static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4178			 const struct akcipher_testvec *vecs,
4179			 unsigned int tcount)
4180{
4181	const char *algo =
4182		crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4183	int ret, i;
4184
4185	for (i = 0; i < tcount; i++) {
4186		ret = test_akcipher_one(tfm, vecs++);
4187		if (!ret)
4188			continue;
4189
4190		pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4191		       i + 1, algo, ret);
4192		return ret;
4193	}
4194	return 0;
4195}
4196
4197static int alg_test_akcipher(const struct alg_test_desc *desc,
4198			     const char *driver, u32 type, u32 mask)
4199{
4200	struct crypto_akcipher *tfm;
4201	int err = 0;
4202
4203	tfm = crypto_alloc_akcipher(driver, type, mask);
4204	if (IS_ERR(tfm)) {
4205		pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4206		       driver, PTR_ERR(tfm));
4207		return PTR_ERR(tfm);
4208	}
4209	if (desc->suite.akcipher.vecs)
4210		err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4211				    desc->suite.akcipher.count);
4212
4213	crypto_free_akcipher(tfm);
4214	return err;
4215}
4216
4217static int alg_test_null(const struct alg_test_desc *desc,
4218			     const char *driver, u32 type, u32 mask)
4219{
4220	return 0;
4221}
4222
4223#define ____VECS(tv)	.vecs = tv, .count = ARRAY_SIZE(tv)
4224#define __VECS(tv)	{ ____VECS(tv) }
4225
4226/* Please keep this list sorted by algorithm name. */
4227static const struct alg_test_desc alg_test_descs[] = {
4228	{
4229		.alg = "adiantum(xchacha12,aes)",
4230		.generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4231		.test = alg_test_skcipher,
4232		.suite = {
4233			.cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4234		},
4235	}, {
4236		.alg = "adiantum(xchacha20,aes)",
4237		.generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4238		.test = alg_test_skcipher,
4239		.suite = {
4240			.cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4241		},
4242	}, {
4243		.alg = "aegis128",
4244		.test = alg_test_aead,
4245		.suite = {
4246			.aead = __VECS(aegis128_tv_template)
4247		}
4248	}, {
4249		.alg = "ansi_cprng",
4250		.test = alg_test_cprng,
4251		.suite = {
4252			.cprng = __VECS(ansi_cprng_aes_tv_template)
4253		}
4254	}, {
4255		.alg = "authenc(hmac(md5),ecb(cipher_null))",
4256		.test = alg_test_aead,
4257		.suite = {
4258			.aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4259		}
4260	}, {
4261		.alg = "authenc(hmac(sha1),cbc(aes))",
4262		.test = alg_test_aead,
4263		.fips_allowed = 1,
4264		.suite = {
4265			.aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4266		}
4267	}, {
4268		.alg = "authenc(hmac(sha1),cbc(des))",
4269		.test = alg_test_aead,
4270		.suite = {
4271			.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4272		}
4273	}, {
4274		.alg = "authenc(hmac(sha1),cbc(des3_ede))",
4275		.test = alg_test_aead,
 
4276		.suite = {
4277			.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4278		}
4279	}, {
4280		.alg = "authenc(hmac(sha1),ctr(aes))",
4281		.test = alg_test_null,
4282		.fips_allowed = 1,
4283	}, {
4284		.alg = "authenc(hmac(sha1),ecb(cipher_null))",
4285		.test = alg_test_aead,
4286		.suite = {
4287			.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4288		}
4289	}, {
4290		.alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4291		.test = alg_test_null,
4292		.fips_allowed = 1,
4293	}, {
4294		.alg = "authenc(hmac(sha224),cbc(des))",
4295		.test = alg_test_aead,
4296		.suite = {
4297			.aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4298		}
4299	}, {
4300		.alg = "authenc(hmac(sha224),cbc(des3_ede))",
4301		.test = alg_test_aead,
 
4302		.suite = {
4303			.aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4304		}
4305	}, {
4306		.alg = "authenc(hmac(sha256),cbc(aes))",
4307		.test = alg_test_aead,
4308		.fips_allowed = 1,
4309		.suite = {
4310			.aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4311		}
4312	}, {
4313		.alg = "authenc(hmac(sha256),cbc(des))",
4314		.test = alg_test_aead,
4315		.suite = {
4316			.aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4317		}
4318	}, {
4319		.alg = "authenc(hmac(sha256),cbc(des3_ede))",
4320		.test = alg_test_aead,
 
4321		.suite = {
4322			.aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4323		}
4324	}, {
4325		.alg = "authenc(hmac(sha256),ctr(aes))",
4326		.test = alg_test_null,
4327		.fips_allowed = 1,
4328	}, {
4329		.alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4330		.test = alg_test_null,
4331		.fips_allowed = 1,
4332	}, {
4333		.alg = "authenc(hmac(sha384),cbc(des))",
4334		.test = alg_test_aead,
4335		.suite = {
4336			.aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4337		}
4338	}, {
4339		.alg = "authenc(hmac(sha384),cbc(des3_ede))",
4340		.test = alg_test_aead,
 
4341		.suite = {
4342			.aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4343		}
4344	}, {
4345		.alg = "authenc(hmac(sha384),ctr(aes))",
4346		.test = alg_test_null,
4347		.fips_allowed = 1,
4348	}, {
4349		.alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4350		.test = alg_test_null,
4351		.fips_allowed = 1,
4352	}, {
4353		.alg = "authenc(hmac(sha512),cbc(aes))",
4354		.fips_allowed = 1,
4355		.test = alg_test_aead,
4356		.suite = {
4357			.aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4358		}
4359	}, {
4360		.alg = "authenc(hmac(sha512),cbc(des))",
4361		.test = alg_test_aead,
4362		.suite = {
4363			.aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4364		}
4365	}, {
4366		.alg = "authenc(hmac(sha512),cbc(des3_ede))",
4367		.test = alg_test_aead,
 
4368		.suite = {
4369			.aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4370		}
4371	}, {
4372		.alg = "authenc(hmac(sha512),ctr(aes))",
4373		.test = alg_test_null,
4374		.fips_allowed = 1,
4375	}, {
4376		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4377		.test = alg_test_null,
4378		.fips_allowed = 1,
4379	}, {
4380		.alg = "blake2b-160",
4381		.test = alg_test_hash,
4382		.fips_allowed = 0,
4383		.suite = {
4384			.hash = __VECS(blake2b_160_tv_template)
4385		}
4386	}, {
4387		.alg = "blake2b-256",
4388		.test = alg_test_hash,
4389		.fips_allowed = 0,
4390		.suite = {
4391			.hash = __VECS(blake2b_256_tv_template)
4392		}
4393	}, {
4394		.alg = "blake2b-384",
4395		.test = alg_test_hash,
4396		.fips_allowed = 0,
4397		.suite = {
4398			.hash = __VECS(blake2b_384_tv_template)
4399		}
4400	}, {
4401		.alg = "blake2b-512",
4402		.test = alg_test_hash,
4403		.fips_allowed = 0,
4404		.suite = {
4405			.hash = __VECS(blake2b_512_tv_template)
4406		}
4407	}, {
4408		.alg = "cbc(aes)",
4409		.test = alg_test_skcipher,
4410		.fips_allowed = 1,
4411		.suite = {
4412			.cipher = __VECS(aes_cbc_tv_template)
4413		},
4414	}, {
4415		.alg = "cbc(anubis)",
4416		.test = alg_test_skcipher,
4417		.suite = {
4418			.cipher = __VECS(anubis_cbc_tv_template)
4419		},
4420	}, {
4421		.alg = "cbc(aria)",
4422		.test = alg_test_skcipher,
4423		.suite = {
4424			.cipher = __VECS(aria_cbc_tv_template)
4425		},
4426	}, {
4427		.alg = "cbc(blowfish)",
4428		.test = alg_test_skcipher,
4429		.suite = {
4430			.cipher = __VECS(bf_cbc_tv_template)
4431		},
4432	}, {
4433		.alg = "cbc(camellia)",
4434		.test = alg_test_skcipher,
4435		.suite = {
4436			.cipher = __VECS(camellia_cbc_tv_template)
4437		},
4438	}, {
4439		.alg = "cbc(cast5)",
4440		.test = alg_test_skcipher,
4441		.suite = {
4442			.cipher = __VECS(cast5_cbc_tv_template)
4443		},
4444	}, {
4445		.alg = "cbc(cast6)",
4446		.test = alg_test_skcipher,
4447		.suite = {
4448			.cipher = __VECS(cast6_cbc_tv_template)
4449		},
4450	}, {
4451		.alg = "cbc(des)",
4452		.test = alg_test_skcipher,
4453		.suite = {
4454			.cipher = __VECS(des_cbc_tv_template)
4455		},
4456	}, {
4457		.alg = "cbc(des3_ede)",
4458		.test = alg_test_skcipher,
 
4459		.suite = {
4460			.cipher = __VECS(des3_ede_cbc_tv_template)
4461		},
4462	}, {
4463		/* Same as cbc(aes) except the key is stored in
4464		 * hardware secure memory which we reference by index
4465		 */
4466		.alg = "cbc(paes)",
4467		.test = alg_test_null,
4468		.fips_allowed = 1,
4469	}, {
4470		/* Same as cbc(sm4) except the key is stored in
4471		 * hardware secure memory which we reference by index
4472		 */
4473		.alg = "cbc(psm4)",
4474		.test = alg_test_null,
4475	}, {
4476		.alg = "cbc(serpent)",
4477		.test = alg_test_skcipher,
4478		.suite = {
4479			.cipher = __VECS(serpent_cbc_tv_template)
4480		},
4481	}, {
4482		.alg = "cbc(sm4)",
4483		.test = alg_test_skcipher,
4484		.suite = {
4485			.cipher = __VECS(sm4_cbc_tv_template)
4486		}
4487	}, {
4488		.alg = "cbc(twofish)",
4489		.test = alg_test_skcipher,
4490		.suite = {
4491			.cipher = __VECS(tf_cbc_tv_template)
4492		},
4493	}, {
4494#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4495		.alg = "cbc-paes-s390",
4496		.fips_allowed = 1,
4497		.test = alg_test_skcipher,
4498		.suite = {
4499			.cipher = __VECS(aes_cbc_tv_template)
4500		}
4501	}, {
4502#endif
4503		.alg = "cbcmac(aes)",
4504		.fips_allowed = 1,
4505		.test = alg_test_hash,
4506		.suite = {
4507			.hash = __VECS(aes_cbcmac_tv_template)
4508		}
4509	}, {
4510		.alg = "cbcmac(sm4)",
4511		.test = alg_test_hash,
4512		.suite = {
4513			.hash = __VECS(sm4_cbcmac_tv_template)
4514		}
4515	}, {
4516		.alg = "ccm(aes)",
4517		.generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4518		.test = alg_test_aead,
4519		.fips_allowed = 1,
4520		.suite = {
4521			.aead = {
4522				____VECS(aes_ccm_tv_template),
4523				.einval_allowed = 1,
4524			}
4525		}
4526	}, {
4527		.alg = "ccm(sm4)",
4528		.generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4529		.test = alg_test_aead,
4530		.suite = {
4531			.aead = {
4532				____VECS(sm4_ccm_tv_template),
4533				.einval_allowed = 1,
4534			}
4535		}
4536	}, {
4537		.alg = "cfb(aes)",
4538		.test = alg_test_skcipher,
4539		.fips_allowed = 1,
4540		.suite = {
4541			.cipher = __VECS(aes_cfb_tv_template)
4542		},
4543	}, {
4544		.alg = "cfb(aria)",
4545		.test = alg_test_skcipher,
4546		.suite = {
4547			.cipher = __VECS(aria_cfb_tv_template)
4548		},
4549	}, {
4550		.alg = "cfb(sm4)",
4551		.test = alg_test_skcipher,
4552		.suite = {
4553			.cipher = __VECS(sm4_cfb_tv_template)
4554		}
4555	}, {
4556		.alg = "chacha20",
4557		.test = alg_test_skcipher,
4558		.suite = {
4559			.cipher = __VECS(chacha20_tv_template)
4560		},
4561	}, {
4562		.alg = "cmac(aes)",
4563		.fips_allowed = 1,
4564		.test = alg_test_hash,
4565		.suite = {
4566			.hash = __VECS(aes_cmac128_tv_template)
4567		}
4568	}, {
4569		.alg = "cmac(des3_ede)",
 
4570		.test = alg_test_hash,
4571		.suite = {
4572			.hash = __VECS(des3_ede_cmac64_tv_template)
4573		}
4574	}, {
4575		.alg = "cmac(sm4)",
4576		.test = alg_test_hash,
4577		.suite = {
4578			.hash = __VECS(sm4_cmac128_tv_template)
4579		}
4580	}, {
4581		.alg = "compress_null",
4582		.test = alg_test_null,
4583	}, {
4584		.alg = "crc32",
4585		.test = alg_test_hash,
4586		.fips_allowed = 1,
4587		.suite = {
4588			.hash = __VECS(crc32_tv_template)
4589		}
4590	}, {
4591		.alg = "crc32c",
4592		.test = alg_test_crc32c,
4593		.fips_allowed = 1,
4594		.suite = {
4595			.hash = __VECS(crc32c_tv_template)
4596		}
4597	}, {
4598		.alg = "crc64-rocksoft",
4599		.test = alg_test_hash,
4600		.fips_allowed = 1,
4601		.suite = {
4602			.hash = __VECS(crc64_rocksoft_tv_template)
4603		}
4604	}, {
4605		.alg = "crct10dif",
4606		.test = alg_test_hash,
4607		.fips_allowed = 1,
4608		.suite = {
4609			.hash = __VECS(crct10dif_tv_template)
4610		}
4611	}, {
4612		.alg = "ctr(aes)",
4613		.test = alg_test_skcipher,
4614		.fips_allowed = 1,
4615		.suite = {
4616			.cipher = __VECS(aes_ctr_tv_template)
4617		}
4618	}, {
4619		.alg = "ctr(aria)",
4620		.test = alg_test_skcipher,
4621		.suite = {
4622			.cipher = __VECS(aria_ctr_tv_template)
4623		}
4624	}, {
4625		.alg = "ctr(blowfish)",
4626		.test = alg_test_skcipher,
4627		.suite = {
4628			.cipher = __VECS(bf_ctr_tv_template)
4629		}
4630	}, {
4631		.alg = "ctr(camellia)",
4632		.test = alg_test_skcipher,
4633		.suite = {
4634			.cipher = __VECS(camellia_ctr_tv_template)
4635		}
4636	}, {
4637		.alg = "ctr(cast5)",
4638		.test = alg_test_skcipher,
4639		.suite = {
4640			.cipher = __VECS(cast5_ctr_tv_template)
4641		}
4642	}, {
4643		.alg = "ctr(cast6)",
4644		.test = alg_test_skcipher,
4645		.suite = {
4646			.cipher = __VECS(cast6_ctr_tv_template)
4647		}
4648	}, {
4649		.alg = "ctr(des)",
4650		.test = alg_test_skcipher,
4651		.suite = {
4652			.cipher = __VECS(des_ctr_tv_template)
4653		}
4654	}, {
4655		.alg = "ctr(des3_ede)",
4656		.test = alg_test_skcipher,
 
4657		.suite = {
4658			.cipher = __VECS(des3_ede_ctr_tv_template)
4659		}
4660	}, {
4661		/* Same as ctr(aes) except the key is stored in
4662		 * hardware secure memory which we reference by index
4663		 */
4664		.alg = "ctr(paes)",
4665		.test = alg_test_null,
4666		.fips_allowed = 1,
4667	}, {
4668
4669		/* Same as ctr(sm4) except the key is stored in
4670		 * hardware secure memory which we reference by index
4671		 */
4672		.alg = "ctr(psm4)",
4673		.test = alg_test_null,
4674	}, {
4675		.alg = "ctr(serpent)",
4676		.test = alg_test_skcipher,
4677		.suite = {
4678			.cipher = __VECS(serpent_ctr_tv_template)
4679		}
4680	}, {
4681		.alg = "ctr(sm4)",
4682		.test = alg_test_skcipher,
4683		.suite = {
4684			.cipher = __VECS(sm4_ctr_tv_template)
4685		}
4686	}, {
4687		.alg = "ctr(twofish)",
4688		.test = alg_test_skcipher,
4689		.suite = {
4690			.cipher = __VECS(tf_ctr_tv_template)
4691		}
4692	}, {
4693#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4694		.alg = "ctr-paes-s390",
4695		.fips_allowed = 1,
4696		.test = alg_test_skcipher,
4697		.suite = {
4698			.cipher = __VECS(aes_ctr_tv_template)
4699		}
4700	}, {
4701#endif
4702		.alg = "cts(cbc(aes))",
4703		.test = alg_test_skcipher,
4704		.fips_allowed = 1,
4705		.suite = {
4706			.cipher = __VECS(cts_mode_tv_template)
4707		}
4708	}, {
4709		/* Same as cts(cbc((aes)) except the key is stored in
4710		 * hardware secure memory which we reference by index
4711		 */
4712		.alg = "cts(cbc(paes))",
4713		.test = alg_test_null,
4714		.fips_allowed = 1,
4715	}, {
4716		.alg = "cts(cbc(sm4))",
4717		.test = alg_test_skcipher,
4718		.suite = {
4719			.cipher = __VECS(sm4_cts_tv_template)
4720		}
4721	}, {
4722		.alg = "curve25519",
4723		.test = alg_test_kpp,
4724		.suite = {
4725			.kpp = __VECS(curve25519_tv_template)
4726		}
4727	}, {
4728		.alg = "deflate",
4729		.test = alg_test_comp,
4730		.fips_allowed = 1,
4731		.suite = {
4732			.comp = {
4733				.comp = __VECS(deflate_comp_tv_template),
4734				.decomp = __VECS(deflate_decomp_tv_template)
4735			}
4736		}
4737	}, {
4738		.alg = "dh",
4739		.test = alg_test_kpp,
 
4740		.suite = {
4741			.kpp = __VECS(dh_tv_template)
4742		}
4743	}, {
4744		.alg = "digest_null",
4745		.test = alg_test_null,
4746	}, {
4747		.alg = "drbg_nopr_ctr_aes128",
4748		.test = alg_test_drbg,
4749		.fips_allowed = 1,
4750		.suite = {
4751			.drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4752		}
4753	}, {
4754		.alg = "drbg_nopr_ctr_aes192",
4755		.test = alg_test_drbg,
4756		.fips_allowed = 1,
4757		.suite = {
4758			.drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4759		}
4760	}, {
4761		.alg = "drbg_nopr_ctr_aes256",
4762		.test = alg_test_drbg,
4763		.fips_allowed = 1,
4764		.suite = {
4765			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4766		}
4767	}, {
4768		/*
4769		 * There is no need to specifically test the DRBG with every
4770		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
4771		 */
4772		.alg = "drbg_nopr_hmac_sha1",
4773		.fips_allowed = 1,
4774		.test = alg_test_null,
4775	}, {
4776		.alg = "drbg_nopr_hmac_sha256",
4777		.test = alg_test_drbg,
4778		.fips_allowed = 1,
4779		.suite = {
4780			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4781		}
4782	}, {
4783		/* covered by drbg_nopr_hmac_sha256 test */
4784		.alg = "drbg_nopr_hmac_sha384",
4785		.fips_allowed = 1,
4786		.test = alg_test_null,
4787	}, {
4788		.alg = "drbg_nopr_hmac_sha512",
4789		.test = alg_test_drbg,
4790		.fips_allowed = 1,
4791		.suite = {
4792			.drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4793		}
4794	}, {
4795		.alg = "drbg_nopr_sha1",
4796		.fips_allowed = 1,
4797		.test = alg_test_null,
4798	}, {
4799		.alg = "drbg_nopr_sha256",
4800		.test = alg_test_drbg,
4801		.fips_allowed = 1,
4802		.suite = {
4803			.drbg = __VECS(drbg_nopr_sha256_tv_template)
4804		}
4805	}, {
4806		/* covered by drbg_nopr_sha256 test */
4807		.alg = "drbg_nopr_sha384",
4808		.fips_allowed = 1,
4809		.test = alg_test_null,
4810	}, {
4811		.alg = "drbg_nopr_sha512",
4812		.fips_allowed = 1,
4813		.test = alg_test_null,
4814	}, {
4815		.alg = "drbg_pr_ctr_aes128",
4816		.test = alg_test_drbg,
4817		.fips_allowed = 1,
4818		.suite = {
4819			.drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4820		}
4821	}, {
4822		/* covered by drbg_pr_ctr_aes128 test */
4823		.alg = "drbg_pr_ctr_aes192",
4824		.fips_allowed = 1,
4825		.test = alg_test_null,
4826	}, {
4827		.alg = "drbg_pr_ctr_aes256",
4828		.fips_allowed = 1,
4829		.test = alg_test_null,
4830	}, {
4831		.alg = "drbg_pr_hmac_sha1",
4832		.fips_allowed = 1,
4833		.test = alg_test_null,
4834	}, {
4835		.alg = "drbg_pr_hmac_sha256",
4836		.test = alg_test_drbg,
4837		.fips_allowed = 1,
4838		.suite = {
4839			.drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4840		}
4841	}, {
4842		/* covered by drbg_pr_hmac_sha256 test */
4843		.alg = "drbg_pr_hmac_sha384",
4844		.fips_allowed = 1,
4845		.test = alg_test_null,
4846	}, {
4847		.alg = "drbg_pr_hmac_sha512",
4848		.test = alg_test_null,
4849		.fips_allowed = 1,
4850	}, {
4851		.alg = "drbg_pr_sha1",
4852		.fips_allowed = 1,
4853		.test = alg_test_null,
4854	}, {
4855		.alg = "drbg_pr_sha256",
4856		.test = alg_test_drbg,
4857		.fips_allowed = 1,
4858		.suite = {
4859			.drbg = __VECS(drbg_pr_sha256_tv_template)
4860		}
4861	}, {
4862		/* covered by drbg_pr_sha256 test */
4863		.alg = "drbg_pr_sha384",
4864		.fips_allowed = 1,
4865		.test = alg_test_null,
4866	}, {
4867		.alg = "drbg_pr_sha512",
4868		.fips_allowed = 1,
4869		.test = alg_test_null,
4870	}, {
4871		.alg = "ecb(aes)",
4872		.test = alg_test_skcipher,
4873		.fips_allowed = 1,
4874		.suite = {
4875			.cipher = __VECS(aes_tv_template)
4876		}
4877	}, {
4878		.alg = "ecb(anubis)",
4879		.test = alg_test_skcipher,
4880		.suite = {
4881			.cipher = __VECS(anubis_tv_template)
4882		}
4883	}, {
4884		.alg = "ecb(arc4)",
4885		.generic_driver = "ecb(arc4)-generic",
4886		.test = alg_test_skcipher,
4887		.suite = {
4888			.cipher = __VECS(arc4_tv_template)
4889		}
4890	}, {
4891		.alg = "ecb(aria)",
4892		.test = alg_test_skcipher,
4893		.suite = {
4894			.cipher = __VECS(aria_tv_template)
4895		}
4896	}, {
4897		.alg = "ecb(blowfish)",
4898		.test = alg_test_skcipher,
4899		.suite = {
4900			.cipher = __VECS(bf_tv_template)
4901		}
4902	}, {
4903		.alg = "ecb(camellia)",
4904		.test = alg_test_skcipher,
4905		.suite = {
4906			.cipher = __VECS(camellia_tv_template)
4907		}
4908	}, {
4909		.alg = "ecb(cast5)",
4910		.test = alg_test_skcipher,
4911		.suite = {
4912			.cipher = __VECS(cast5_tv_template)
4913		}
4914	}, {
4915		.alg = "ecb(cast6)",
4916		.test = alg_test_skcipher,
4917		.suite = {
4918			.cipher = __VECS(cast6_tv_template)
4919		}
4920	}, {
4921		.alg = "ecb(cipher_null)",
4922		.test = alg_test_null,
4923		.fips_allowed = 1,
4924	}, {
4925		.alg = "ecb(des)",
4926		.test = alg_test_skcipher,
4927		.suite = {
4928			.cipher = __VECS(des_tv_template)
4929		}
4930	}, {
4931		.alg = "ecb(des3_ede)",
4932		.test = alg_test_skcipher,
 
4933		.suite = {
4934			.cipher = __VECS(des3_ede_tv_template)
4935		}
4936	}, {
4937		.alg = "ecb(fcrypt)",
4938		.test = alg_test_skcipher,
4939		.suite = {
4940			.cipher = {
4941				.vecs = fcrypt_pcbc_tv_template,
4942				.count = 1
4943			}
4944		}
4945	}, {
4946		.alg = "ecb(khazad)",
4947		.test = alg_test_skcipher,
4948		.suite = {
4949			.cipher = __VECS(khazad_tv_template)
4950		}
4951	}, {
4952		/* Same as ecb(aes) except the key is stored in
4953		 * hardware secure memory which we reference by index
4954		 */
4955		.alg = "ecb(paes)",
4956		.test = alg_test_null,
4957		.fips_allowed = 1,
4958	}, {
4959		.alg = "ecb(seed)",
4960		.test = alg_test_skcipher,
4961		.suite = {
4962			.cipher = __VECS(seed_tv_template)
4963		}
4964	}, {
4965		.alg = "ecb(serpent)",
4966		.test = alg_test_skcipher,
4967		.suite = {
4968			.cipher = __VECS(serpent_tv_template)
4969		}
4970	}, {
4971		.alg = "ecb(sm4)",
4972		.test = alg_test_skcipher,
4973		.suite = {
4974			.cipher = __VECS(sm4_tv_template)
4975		}
4976	}, {
4977		.alg = "ecb(tea)",
4978		.test = alg_test_skcipher,
4979		.suite = {
4980			.cipher = __VECS(tea_tv_template)
4981		}
4982	}, {
 
 
 
 
 
 
4983		.alg = "ecb(twofish)",
4984		.test = alg_test_skcipher,
4985		.suite = {
4986			.cipher = __VECS(tf_tv_template)
4987		}
4988	}, {
4989		.alg = "ecb(xeta)",
4990		.test = alg_test_skcipher,
4991		.suite = {
4992			.cipher = __VECS(xeta_tv_template)
4993		}
4994	}, {
4995		.alg = "ecb(xtea)",
4996		.test = alg_test_skcipher,
4997		.suite = {
4998			.cipher = __VECS(xtea_tv_template)
4999		}
5000	}, {
5001#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5002		.alg = "ecb-paes-s390",
5003		.fips_allowed = 1,
5004		.test = alg_test_skcipher,
5005		.suite = {
5006			.cipher = __VECS(aes_tv_template)
5007		}
5008	}, {
5009#endif
5010		.alg = "ecdh-nist-p192",
5011		.test = alg_test_kpp,
5012		.suite = {
5013			.kpp = __VECS(ecdh_p192_tv_template)
5014		}
5015	}, {
5016		.alg = "ecdh-nist-p256",
5017		.test = alg_test_kpp,
5018		.fips_allowed = 1,
5019		.suite = {
5020			.kpp = __VECS(ecdh_p256_tv_template)
5021		}
5022	}, {
5023		.alg = "ecdh-nist-p384",
5024		.test = alg_test_kpp,
5025		.fips_allowed = 1,
5026		.suite = {
5027			.kpp = __VECS(ecdh_p384_tv_template)
5028		}
5029	}, {
5030		.alg = "ecdsa-nist-p192",
5031		.test = alg_test_akcipher,
5032		.suite = {
5033			.akcipher = __VECS(ecdsa_nist_p192_tv_template)
5034		}
5035	}, {
5036		.alg = "ecdsa-nist-p256",
5037		.test = alg_test_akcipher,
5038		.suite = {
5039			.akcipher = __VECS(ecdsa_nist_p256_tv_template)
5040		}
5041	}, {
5042		.alg = "ecdsa-nist-p384",
5043		.test = alg_test_akcipher,
5044		.suite = {
5045			.akcipher = __VECS(ecdsa_nist_p384_tv_template)
5046		}
5047	}, {
5048		.alg = "ecrdsa",
5049		.test = alg_test_akcipher,
5050		.suite = {
5051			.akcipher = __VECS(ecrdsa_tv_template)
5052		}
5053	}, {
5054		.alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5055		.test = alg_test_aead,
5056		.fips_allowed = 1,
5057		.suite = {
5058			.aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5059		}
5060	}, {
5061		.alg = "essiv(cbc(aes),sha256)",
5062		.test = alg_test_skcipher,
5063		.fips_allowed = 1,
5064		.suite = {
5065			.cipher = __VECS(essiv_aes_cbc_tv_template)
5066		}
5067	}, {
5068#if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5069		.alg = "ffdhe2048(dh)",
5070		.test = alg_test_kpp,
5071		.fips_allowed = 1,
5072		.suite = {
5073			.kpp = __VECS(ffdhe2048_dh_tv_template)
5074		}
5075	}, {
5076		.alg = "ffdhe3072(dh)",
5077		.test = alg_test_kpp,
5078		.fips_allowed = 1,
5079		.suite = {
5080			.kpp = __VECS(ffdhe3072_dh_tv_template)
5081		}
5082	}, {
5083		.alg = "ffdhe4096(dh)",
5084		.test = alg_test_kpp,
5085		.fips_allowed = 1,
5086		.suite = {
5087			.kpp = __VECS(ffdhe4096_dh_tv_template)
5088		}
5089	}, {
5090		.alg = "ffdhe6144(dh)",
5091		.test = alg_test_kpp,
5092		.fips_allowed = 1,
5093		.suite = {
5094			.kpp = __VECS(ffdhe6144_dh_tv_template)
5095		}
5096	}, {
5097		.alg = "ffdhe8192(dh)",
5098		.test = alg_test_kpp,
5099		.fips_allowed = 1,
5100		.suite = {
5101			.kpp = __VECS(ffdhe8192_dh_tv_template)
5102		}
5103	}, {
5104#endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5105		.alg = "gcm(aes)",
5106		.generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5107		.test = alg_test_aead,
5108		.fips_allowed = 1,
5109		.suite = {
5110			.aead = __VECS(aes_gcm_tv_template)
5111		}
5112	}, {
5113		.alg = "gcm(aria)",
5114		.generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5115		.test = alg_test_aead,
5116		.suite = {
5117			.aead = __VECS(aria_gcm_tv_template)
5118		}
5119	}, {
5120		.alg = "gcm(sm4)",
5121		.generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5122		.test = alg_test_aead,
5123		.suite = {
5124			.aead = __VECS(sm4_gcm_tv_template)
5125		}
5126	}, {
5127		.alg = "ghash",
5128		.test = alg_test_hash,
5129		.fips_allowed = 1,
5130		.suite = {
5131			.hash = __VECS(ghash_tv_template)
5132		}
5133	}, {
5134		.alg = "hctr2(aes)",
5135		.generic_driver =
5136		    "hctr2_base(xctr(aes-generic),polyval-generic)",
5137		.test = alg_test_skcipher,
5138		.suite = {
5139			.cipher = __VECS(aes_hctr2_tv_template)
5140		}
5141	}, {
5142		.alg = "hmac(md5)",
5143		.test = alg_test_hash,
5144		.suite = {
5145			.hash = __VECS(hmac_md5_tv_template)
5146		}
5147	}, {
5148		.alg = "hmac(rmd160)",
5149		.test = alg_test_hash,
5150		.suite = {
5151			.hash = __VECS(hmac_rmd160_tv_template)
5152		}
5153	}, {
5154		.alg = "hmac(sha1)",
5155		.test = alg_test_hash,
5156		.fips_allowed = 1,
5157		.suite = {
5158			.hash = __VECS(hmac_sha1_tv_template)
5159		}
5160	}, {
5161		.alg = "hmac(sha224)",
5162		.test = alg_test_hash,
5163		.fips_allowed = 1,
5164		.suite = {
5165			.hash = __VECS(hmac_sha224_tv_template)
5166		}
5167	}, {
5168		.alg = "hmac(sha256)",
5169		.test = alg_test_hash,
5170		.fips_allowed = 1,
5171		.suite = {
5172			.hash = __VECS(hmac_sha256_tv_template)
5173		}
5174	}, {
5175		.alg = "hmac(sha3-224)",
5176		.test = alg_test_hash,
5177		.fips_allowed = 1,
5178		.suite = {
5179			.hash = __VECS(hmac_sha3_224_tv_template)
5180		}
5181	}, {
5182		.alg = "hmac(sha3-256)",
5183		.test = alg_test_hash,
5184		.fips_allowed = 1,
5185		.suite = {
5186			.hash = __VECS(hmac_sha3_256_tv_template)
5187		}
5188	}, {
5189		.alg = "hmac(sha3-384)",
5190		.test = alg_test_hash,
5191		.fips_allowed = 1,
5192		.suite = {
5193			.hash = __VECS(hmac_sha3_384_tv_template)
5194		}
5195	}, {
5196		.alg = "hmac(sha3-512)",
5197		.test = alg_test_hash,
5198		.fips_allowed = 1,
5199		.suite = {
5200			.hash = __VECS(hmac_sha3_512_tv_template)
5201		}
5202	}, {
5203		.alg = "hmac(sha384)",
5204		.test = alg_test_hash,
5205		.fips_allowed = 1,
5206		.suite = {
5207			.hash = __VECS(hmac_sha384_tv_template)
5208		}
5209	}, {
5210		.alg = "hmac(sha512)",
5211		.test = alg_test_hash,
5212		.fips_allowed = 1,
5213		.suite = {
5214			.hash = __VECS(hmac_sha512_tv_template)
5215		}
5216	}, {
5217		.alg = "hmac(sm3)",
5218		.test = alg_test_hash,
5219		.suite = {
5220			.hash = __VECS(hmac_sm3_tv_template)
5221		}
5222	}, {
5223		.alg = "hmac(streebog256)",
5224		.test = alg_test_hash,
5225		.suite = {
5226			.hash = __VECS(hmac_streebog256_tv_template)
5227		}
5228	}, {
5229		.alg = "hmac(streebog512)",
5230		.test = alg_test_hash,
5231		.suite = {
5232			.hash = __VECS(hmac_streebog512_tv_template)
5233		}
5234	}, {
5235		.alg = "jitterentropy_rng",
5236		.fips_allowed = 1,
5237		.test = alg_test_null,
5238	}, {
5239		.alg = "kw(aes)",
5240		.test = alg_test_skcipher,
5241		.fips_allowed = 1,
5242		.suite = {
5243			.cipher = __VECS(aes_kw_tv_template)
5244		}
5245	}, {
5246		.alg = "lrw(aes)",
5247		.generic_driver = "lrw(ecb(aes-generic))",
5248		.test = alg_test_skcipher,
5249		.suite = {
5250			.cipher = __VECS(aes_lrw_tv_template)
5251		}
5252	}, {
5253		.alg = "lrw(camellia)",
5254		.generic_driver = "lrw(ecb(camellia-generic))",
5255		.test = alg_test_skcipher,
5256		.suite = {
5257			.cipher = __VECS(camellia_lrw_tv_template)
5258		}
5259	}, {
5260		.alg = "lrw(cast6)",
5261		.generic_driver = "lrw(ecb(cast6-generic))",
5262		.test = alg_test_skcipher,
5263		.suite = {
5264			.cipher = __VECS(cast6_lrw_tv_template)
5265		}
5266	}, {
5267		.alg = "lrw(serpent)",
5268		.generic_driver = "lrw(ecb(serpent-generic))",
5269		.test = alg_test_skcipher,
5270		.suite = {
5271			.cipher = __VECS(serpent_lrw_tv_template)
5272		}
5273	}, {
5274		.alg = "lrw(twofish)",
5275		.generic_driver = "lrw(ecb(twofish-generic))",
5276		.test = alg_test_skcipher,
5277		.suite = {
5278			.cipher = __VECS(tf_lrw_tv_template)
5279		}
5280	}, {
5281		.alg = "lz4",
5282		.test = alg_test_comp,
5283		.fips_allowed = 1,
5284		.suite = {
5285			.comp = {
5286				.comp = __VECS(lz4_comp_tv_template),
5287				.decomp = __VECS(lz4_decomp_tv_template)
5288			}
5289		}
5290	}, {
5291		.alg = "lz4hc",
5292		.test = alg_test_comp,
5293		.fips_allowed = 1,
5294		.suite = {
5295			.comp = {
5296				.comp = __VECS(lz4hc_comp_tv_template),
5297				.decomp = __VECS(lz4hc_decomp_tv_template)
5298			}
5299		}
5300	}, {
5301		.alg = "lzo",
5302		.test = alg_test_comp,
5303		.fips_allowed = 1,
5304		.suite = {
5305			.comp = {
5306				.comp = __VECS(lzo_comp_tv_template),
5307				.decomp = __VECS(lzo_decomp_tv_template)
5308			}
5309		}
5310	}, {
5311		.alg = "lzo-rle",
5312		.test = alg_test_comp,
5313		.fips_allowed = 1,
5314		.suite = {
5315			.comp = {
5316				.comp = __VECS(lzorle_comp_tv_template),
5317				.decomp = __VECS(lzorle_decomp_tv_template)
5318			}
5319		}
5320	}, {
5321		.alg = "md4",
5322		.test = alg_test_hash,
5323		.suite = {
5324			.hash = __VECS(md4_tv_template)
5325		}
5326	}, {
5327		.alg = "md5",
5328		.test = alg_test_hash,
5329		.suite = {
5330			.hash = __VECS(md5_tv_template)
5331		}
5332	}, {
5333		.alg = "michael_mic",
5334		.test = alg_test_hash,
5335		.suite = {
5336			.hash = __VECS(michael_mic_tv_template)
5337		}
5338	}, {
5339		.alg = "nhpoly1305",
5340		.test = alg_test_hash,
5341		.suite = {
5342			.hash = __VECS(nhpoly1305_tv_template)
5343		}
5344	}, {
5345		.alg = "ofb(aes)",
5346		.test = alg_test_skcipher,
5347		.fips_allowed = 1,
5348		.suite = {
5349			.cipher = __VECS(aes_ofb_tv_template)
5350		}
5351	}, {
5352		/* Same as ofb(aes) except the key is stored in
5353		 * hardware secure memory which we reference by index
5354		 */
5355		.alg = "ofb(paes)",
5356		.test = alg_test_null,
5357		.fips_allowed = 1,
5358	}, {
5359		.alg = "ofb(sm4)",
5360		.test = alg_test_skcipher,
5361		.suite = {
5362			.cipher = __VECS(sm4_ofb_tv_template)
5363		}
5364	}, {
5365		.alg = "pcbc(fcrypt)",
5366		.test = alg_test_skcipher,
5367		.suite = {
5368			.cipher = __VECS(fcrypt_pcbc_tv_template)
5369		}
5370	}, {
5371		.alg = "pkcs1pad(rsa,sha224)",
5372		.test = alg_test_null,
5373		.fips_allowed = 1,
5374	}, {
5375		.alg = "pkcs1pad(rsa,sha256)",
5376		.test = alg_test_akcipher,
5377		.fips_allowed = 1,
5378		.suite = {
5379			.akcipher = __VECS(pkcs1pad_rsa_tv_template)
5380		}
5381	}, {
5382		.alg = "pkcs1pad(rsa,sha384)",
5383		.test = alg_test_null,
5384		.fips_allowed = 1,
5385	}, {
5386		.alg = "pkcs1pad(rsa,sha512)",
5387		.test = alg_test_null,
5388		.fips_allowed = 1,
5389	}, {
5390		.alg = "poly1305",
5391		.test = alg_test_hash,
5392		.suite = {
5393			.hash = __VECS(poly1305_tv_template)
5394		}
5395	}, {
5396		.alg = "polyval",
5397		.test = alg_test_hash,
5398		.suite = {
5399			.hash = __VECS(polyval_tv_template)
5400		}
5401	}, {
5402		.alg = "rfc3686(ctr(aes))",
5403		.test = alg_test_skcipher,
5404		.fips_allowed = 1,
5405		.suite = {
5406			.cipher = __VECS(aes_ctr_rfc3686_tv_template)
5407		}
5408	}, {
5409		.alg = "rfc3686(ctr(sm4))",
5410		.test = alg_test_skcipher,
5411		.suite = {
5412			.cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5413		}
5414	}, {
5415		.alg = "rfc4106(gcm(aes))",
5416		.generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5417		.test = alg_test_aead,
5418		.fips_allowed = 1,
5419		.suite = {
5420			.aead = {
5421				____VECS(aes_gcm_rfc4106_tv_template),
5422				.einval_allowed = 1,
5423				.aad_iv = 1,
5424			}
5425		}
5426	}, {
5427		.alg = "rfc4309(ccm(aes))",
5428		.generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5429		.test = alg_test_aead,
5430		.fips_allowed = 1,
5431		.suite = {
5432			.aead = {
5433				____VECS(aes_ccm_rfc4309_tv_template),
5434				.einval_allowed = 1,
5435				.aad_iv = 1,
5436			}
5437		}
5438	}, {
5439		.alg = "rfc4543(gcm(aes))",
5440		.generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5441		.test = alg_test_aead,
5442		.suite = {
5443			.aead = {
5444				____VECS(aes_gcm_rfc4543_tv_template),
5445				.einval_allowed = 1,
5446				.aad_iv = 1,
5447			}
5448		}
5449	}, {
5450		.alg = "rfc7539(chacha20,poly1305)",
5451		.test = alg_test_aead,
5452		.suite = {
5453			.aead = __VECS(rfc7539_tv_template)
5454		}
5455	}, {
5456		.alg = "rfc7539esp(chacha20,poly1305)",
5457		.test = alg_test_aead,
5458		.suite = {
5459			.aead = {
5460				____VECS(rfc7539esp_tv_template),
5461				.einval_allowed = 1,
5462				.aad_iv = 1,
5463			}
 
 
5464		}
5465	}, {
5466		.alg = "rmd160",
5467		.test = alg_test_hash,
5468		.suite = {
5469			.hash = __VECS(rmd160_tv_template)
5470		}
5471	}, {
 
 
 
 
 
 
 
 
 
 
 
 
5472		.alg = "rsa",
5473		.test = alg_test_akcipher,
5474		.fips_allowed = 1,
5475		.suite = {
5476			.akcipher = __VECS(rsa_tv_template)
5477		}
5478	}, {
 
 
 
 
 
 
5479		.alg = "sha1",
5480		.test = alg_test_hash,
5481		.fips_allowed = 1,
5482		.suite = {
5483			.hash = __VECS(sha1_tv_template)
5484		}
5485	}, {
5486		.alg = "sha224",
5487		.test = alg_test_hash,
5488		.fips_allowed = 1,
5489		.suite = {
5490			.hash = __VECS(sha224_tv_template)
5491		}
5492	}, {
5493		.alg = "sha256",
5494		.test = alg_test_hash,
5495		.fips_allowed = 1,
5496		.suite = {
5497			.hash = __VECS(sha256_tv_template)
5498		}
5499	}, {
5500		.alg = "sha3-224",
5501		.test = alg_test_hash,
5502		.fips_allowed = 1,
5503		.suite = {
5504			.hash = __VECS(sha3_224_tv_template)
5505		}
5506	}, {
5507		.alg = "sha3-256",
5508		.test = alg_test_hash,
5509		.fips_allowed = 1,
5510		.suite = {
5511			.hash = __VECS(sha3_256_tv_template)
5512		}
5513	}, {
5514		.alg = "sha3-384",
5515		.test = alg_test_hash,
5516		.fips_allowed = 1,
5517		.suite = {
5518			.hash = __VECS(sha3_384_tv_template)
5519		}
5520	}, {
5521		.alg = "sha3-512",
5522		.test = alg_test_hash,
5523		.fips_allowed = 1,
5524		.suite = {
5525			.hash = __VECS(sha3_512_tv_template)
5526		}
5527	}, {
5528		.alg = "sha384",
5529		.test = alg_test_hash,
5530		.fips_allowed = 1,
5531		.suite = {
5532			.hash = __VECS(sha384_tv_template)
5533		}
5534	}, {
5535		.alg = "sha512",
5536		.test = alg_test_hash,
5537		.fips_allowed = 1,
5538		.suite = {
5539			.hash = __VECS(sha512_tv_template)
5540		}
5541	}, {
5542		.alg = "sm2",
5543		.test = alg_test_akcipher,
5544		.suite = {
5545			.akcipher = __VECS(sm2_tv_template)
5546		}
5547	}, {
5548		.alg = "sm3",
5549		.test = alg_test_hash,
5550		.suite = {
5551			.hash = __VECS(sm3_tv_template)
5552		}
5553	}, {
5554		.alg = "streebog256",
5555		.test = alg_test_hash,
5556		.suite = {
5557			.hash = __VECS(streebog256_tv_template)
5558		}
5559	}, {
5560		.alg = "streebog512",
5561		.test = alg_test_hash,
5562		.suite = {
5563			.hash = __VECS(streebog512_tv_template)
5564		}
5565	}, {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5566		.alg = "vmac64(aes)",
5567		.test = alg_test_hash,
5568		.suite = {
5569			.hash = __VECS(vmac64_aes_tv_template)
5570		}
5571	}, {
5572		.alg = "wp256",
5573		.test = alg_test_hash,
5574		.suite = {
5575			.hash = __VECS(wp256_tv_template)
5576		}
5577	}, {
5578		.alg = "wp384",
5579		.test = alg_test_hash,
5580		.suite = {
5581			.hash = __VECS(wp384_tv_template)
5582		}
5583	}, {
5584		.alg = "wp512",
5585		.test = alg_test_hash,
5586		.suite = {
5587			.hash = __VECS(wp512_tv_template)
5588		}
5589	}, {
5590		.alg = "xcbc(aes)",
5591		.test = alg_test_hash,
5592		.suite = {
5593			.hash = __VECS(aes_xcbc128_tv_template)
5594		}
5595	}, {
5596		.alg = "xcbc(sm4)",
5597		.test = alg_test_hash,
5598		.suite = {
5599			.hash = __VECS(sm4_xcbc128_tv_template)
5600		}
5601	}, {
5602		.alg = "xchacha12",
5603		.test = alg_test_skcipher,
5604		.suite = {
5605			.cipher = __VECS(xchacha12_tv_template)
5606		},
5607	}, {
5608		.alg = "xchacha20",
5609		.test = alg_test_skcipher,
5610		.suite = {
5611			.cipher = __VECS(xchacha20_tv_template)
5612		},
5613	}, {
5614		.alg = "xctr(aes)",
5615		.test = alg_test_skcipher,
5616		.suite = {
5617			.cipher = __VECS(aes_xctr_tv_template)
5618		}
5619	}, {
5620		.alg = "xts(aes)",
5621		.generic_driver = "xts(ecb(aes-generic))",
5622		.test = alg_test_skcipher,
5623		.fips_allowed = 1,
5624		.suite = {
5625			.cipher = __VECS(aes_xts_tv_template)
5626		}
5627	}, {
5628		.alg = "xts(camellia)",
5629		.generic_driver = "xts(ecb(camellia-generic))",
5630		.test = alg_test_skcipher,
5631		.suite = {
5632			.cipher = __VECS(camellia_xts_tv_template)
5633		}
5634	}, {
5635		.alg = "xts(cast6)",
5636		.generic_driver = "xts(ecb(cast6-generic))",
5637		.test = alg_test_skcipher,
5638		.suite = {
5639			.cipher = __VECS(cast6_xts_tv_template)
5640		}
5641	}, {
5642		/* Same as xts(aes) except the key is stored in
5643		 * hardware secure memory which we reference by index
5644		 */
5645		.alg = "xts(paes)",
5646		.test = alg_test_null,
5647		.fips_allowed = 1,
5648	}, {
5649		.alg = "xts(serpent)",
5650		.generic_driver = "xts(ecb(serpent-generic))",
5651		.test = alg_test_skcipher,
5652		.suite = {
5653			.cipher = __VECS(serpent_xts_tv_template)
5654		}
5655	}, {
5656		.alg = "xts(sm4)",
5657		.generic_driver = "xts(ecb(sm4-generic))",
5658		.test = alg_test_skcipher,
5659		.suite = {
5660			.cipher = __VECS(sm4_xts_tv_template)
5661		}
5662	}, {
5663		.alg = "xts(twofish)",
5664		.generic_driver = "xts(ecb(twofish-generic))",
5665		.test = alg_test_skcipher,
5666		.suite = {
5667			.cipher = __VECS(tf_xts_tv_template)
5668		}
5669	}, {
5670#if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5671		.alg = "xts-paes-s390",
5672		.fips_allowed = 1,
5673		.test = alg_test_skcipher,
5674		.suite = {
5675			.cipher = __VECS(aes_xts_tv_template)
5676		}
5677	}, {
5678#endif
5679		.alg = "xts4096(paes)",
5680		.test = alg_test_null,
5681		.fips_allowed = 1,
5682	}, {
5683		.alg = "xts512(paes)",
5684		.test = alg_test_null,
5685		.fips_allowed = 1,
5686	}, {
5687		.alg = "xxhash64",
5688		.test = alg_test_hash,
5689		.fips_allowed = 1,
5690		.suite = {
5691			.hash = __VECS(xxhash64_tv_template)
5692		}
5693	}, {
5694		.alg = "zlib-deflate",
5695		.test = alg_test_comp,
5696		.fips_allowed = 1,
5697		.suite = {
5698			.comp = {
5699				.comp = __VECS(zlib_deflate_comp_tv_template),
5700				.decomp = __VECS(zlib_deflate_decomp_tv_template)
5701			}
5702		}
5703	}, {
5704		.alg = "zstd",
5705		.test = alg_test_comp,
5706		.fips_allowed = 1,
5707		.suite = {
5708			.comp = {
5709				.comp = __VECS(zstd_comp_tv_template),
5710				.decomp = __VECS(zstd_decomp_tv_template)
5711			}
5712		}
5713	}
5714};
5715
5716static void alg_check_test_descs_order(void)
5717{
5718	int i;
5719
5720	for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5721		int diff = strcmp(alg_test_descs[i - 1].alg,
5722				  alg_test_descs[i].alg);
5723
5724		if (WARN_ON(diff > 0)) {
5725			pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5726				alg_test_descs[i - 1].alg,
5727				alg_test_descs[i].alg);
5728		}
5729
5730		if (WARN_ON(diff == 0)) {
5731			pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5732				alg_test_descs[i].alg);
5733		}
5734	}
5735}
5736
5737static void alg_check_testvec_configs(void)
5738{
5739	int i;
5740
5741	for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5742		WARN_ON(!valid_testvec_config(
5743				&default_cipher_testvec_configs[i]));
5744
5745	for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5746		WARN_ON(!valid_testvec_config(
5747				&default_hash_testvec_configs[i]));
5748}
5749
5750static void testmgr_onetime_init(void)
5751{
5752	alg_check_test_descs_order();
5753	alg_check_testvec_configs();
5754
5755#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5756	pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5757#endif
5758}
5759
5760static int alg_find_test(const char *alg)
5761{
5762	int start = 0;
5763	int end = ARRAY_SIZE(alg_test_descs);
5764
5765	while (start < end) {
5766		int i = (start + end) / 2;
5767		int diff = strcmp(alg_test_descs[i].alg, alg);
5768
5769		if (diff > 0) {
5770			end = i;
5771			continue;
5772		}
5773
5774		if (diff < 0) {
5775			start = i + 1;
5776			continue;
5777		}
5778
5779		return i;
5780	}
5781
5782	return -1;
5783}
5784
5785static int alg_fips_disabled(const char *driver, const char *alg)
5786{
5787	pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5788
5789	return -ECANCELED;
5790}
5791
5792int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5793{
5794	int i;
5795	int j;
5796	int rc;
5797
5798	if (!fips_enabled && notests) {
5799		printk_once(KERN_INFO "alg: self-tests disabled\n");
5800		return 0;
5801	}
5802
5803	DO_ONCE(testmgr_onetime_init);
5804
5805	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5806		char nalg[CRYPTO_MAX_ALG_NAME];
5807
5808		if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5809		    sizeof(nalg))
5810			return -ENAMETOOLONG;
5811
5812		i = alg_find_test(nalg);
5813		if (i < 0)
5814			goto notest;
5815
5816		if (fips_enabled && !alg_test_descs[i].fips_allowed)
5817			goto non_fips_alg;
5818
5819		rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5820		goto test_done;
5821	}
5822
5823	i = alg_find_test(alg);
5824	j = alg_find_test(driver);
5825	if (i < 0 && j < 0)
5826		goto notest;
5827
5828	if (fips_enabled) {
5829		if (j >= 0 && !alg_test_descs[j].fips_allowed)
5830			return -EINVAL;
5831
5832		if (i >= 0 && !alg_test_descs[i].fips_allowed)
5833			goto non_fips_alg;
5834	}
5835
5836	rc = 0;
5837	if (i >= 0)
5838		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5839					     type, mask);
5840	if (j >= 0 && j != i)
5841		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5842					     type, mask);
5843
5844test_done:
5845	if (rc) {
5846		if (fips_enabled || panic_on_fail) {
5847			fips_fail_notify();
5848			panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5849			      driver, alg,
5850			      fips_enabled ? "fips" : "panic_on_fail");
5851		}
5852		pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5853			alg, driver, rc);
5854		WARN(rc != -ENOENT,
5855		     "alg: self-tests for %s using %s failed (rc=%d)",
5856		     alg, driver, rc);
5857	} else {
5858		if (fips_enabled)
5859			pr_info("alg: self-tests for %s (%s) passed\n",
5860				driver, alg);
5861	}
5862
 
 
 
5863	return rc;
5864
5865notest:
5866	printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5867
5868	if (type & CRYPTO_ALG_FIPS_INTERNAL)
5869		return alg_fips_disabled(driver, alg);
5870
5871	return 0;
5872non_fips_alg:
5873	return alg_fips_disabled(driver, alg);
5874}
5875
5876#endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5877
5878EXPORT_SYMBOL_GPL(alg_test);