Commit 6401fd33 authored by Eric Biggers's avatar Eric Biggers
Browse files

lib/crypto: tests: Add KUnit tests for BLAKE2b 



Add a KUnit test suite for the BLAKE2b library API, mirroring the
BLAKE2s test suite very closely.

As with the BLAKE2s test suite, a benchmark is included.

Reviewed-by: default avatarArd Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-9-ebiggers@kernel.org


Signed-off-by: default avatarEric Biggers <ebiggers@kernel.org>
parent 2dbb6f4a

lib/crypto/tests/Kconfig

+9 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-or-later



config CRYPTO_LIB_BLAKE2B_KUNIT_TEST

	tristate "KUnit tests for BLAKE2b" if !KUNIT_ALL_TESTS

	depends on KUNIT

	default KUNIT_ALL_TESTS || CRYPTO_SELFTESTS

	select CRYPTO_LIB_BENCHMARK_VISIBLE

	select CRYPTO_LIB_BLAKE2B

	help

	  KUnit tests for the BLAKE2b cryptographic hash function.



config CRYPTO_LIB_BLAKE2S_KUNIT_TEST

	tristate "KUnit tests for BLAKE2s" if !KUNIT_ALL_TESTS

	depends on KUNIT

lib/crypto/tests/Makefile

+1 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-or-later



obj-$(CONFIG_CRYPTO_LIB_BLAKE2B_KUNIT_TEST) += blake2b_kunit.o

obj-$(CONFIG_CRYPTO_LIB_BLAKE2S_KUNIT_TEST) += blake2s_kunit.o

obj-$(CONFIG_CRYPTO_LIB_CURVE25519_KUNIT_TEST) += curve25519_kunit.o

obj-$(CONFIG_CRYPTO_LIB_MD5_KUNIT_TEST) += md5_kunit.o

lib/crypto/tests/blake2b-testvecs.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */

/* This file was generated by: ./scripts/crypto/gen-hash-testvecs.py blake2b */



static const struct {

	size_t data_len;

	u8 digest[BLAKE2B_HASH_SIZE];

} hash_testvecs[] = {

	{

		.data_len = 0,

		.digest = {

			0x78, 0x6a, 0x02, 0xf7, 0x42, 0x01, 0x59, 0x03,

			0xc6, 0xc6, 0xfd, 0x85, 0x25, 0x52, 0xd2, 0x72,

			0x91, 0x2f, 0x47, 0x40, 0xe1, 0x58, 0x47, 0x61,

			0x8a, 0x86, 0xe2, 0x17, 0xf7, 0x1f, 0x54, 0x19,

			0xd2, 0x5e, 0x10, 0x31, 0xaf, 0xee, 0x58, 0x53,

			0x13, 0x89, 0x64, 0x44, 0x93, 0x4e, 0xb0, 0x4b,

			0x90, 0x3a, 0x68, 0x5b, 0x14, 0x48, 0xb7, 0x55,

			0xd5, 0x6f, 0x70, 0x1a, 0xfe, 0x9b, 0xe2, 0xce,

		},

	},

	{

		.data_len = 1,

		.digest = {

			0x6f, 0x2e, 0xcc, 0x83, 0x53, 0xa3, 0x20, 0x16,

			0x5b, 0xda, 0xd0, 0x04, 0xd3, 0xcb, 0xe4, 0x37,

			0x5b, 0xf0, 0x84, 0x36, 0xe1, 0xad, 0x45, 0xcc,

			0x4d, 0x7f, 0x09, 0x68, 0xb2, 0x62, 0x93, 0x7f,

			0x72, 0x32, 0xe8, 0xa7, 0x2f, 0x1f, 0x6f, 0xc6,

			0x14, 0xd6, 0x70, 0xae, 0x0c, 0xf0, 0xf3, 0xce,

			0x64, 0x4d, 0x22, 0xdf, 0xc7, 0xa7, 0xf8, 0xa8,

			0x18, 0x23, 0xd8, 0x6c, 0xaf, 0x65, 0xa2, 0x54,

		},

	},

	{

		.data_len = 2,

		.digest = {

			0x04, 0x13, 0xe2, 0x10, 0xbe, 0x65, 0xde, 0xce,

			0x61, 0xa8, 0xe0, 0xd6, 0x35, 0xb1, 0xb8, 0x88,

			0xd2, 0xea, 0x45, 0x3a, 0xe1, 0x8d, 0x94, 0xb5,

			0x66, 0x06, 0x98, 0x96, 0x39, 0xf8, 0x0e, 0xcb,

			0x34, 0xa6, 0xa8, 0x17, 0xfe, 0x56, 0xbc, 0xa9,

			0x5e, 0x1b, 0xb1, 0xde, 0x3c, 0xc7, 0x78, 0x4f,

			0x39, 0xc6, 0xfc, 0xa8, 0xb3, 0x27, 0x66, 0x3e,

			0x4e, 0xb5, 0x5d, 0x08, 0x89, 0xee, 0xd1, 0xe0,

		},

	},

	{

		.data_len = 3,

		.digest = {

			0x2b, 0x4a, 0xa3, 0x4e, 0x2b, 0x7a, 0x47, 0x20,

			0x30, 0x5b, 0x09, 0x17, 0x3a, 0xf4, 0xcc, 0xf0,

			0xf7, 0x7b, 0x97, 0x68, 0x98, 0x9f, 0x4f, 0x09,

			0x46, 0x25, 0xe7, 0xd6, 0x53, 0x6b, 0xf9, 0x68,

			0x48, 0x12, 0x44, 0x8c, 0x9a, 0xc8, 0xd4, 0x42,

			0xeb, 0x2c, 0x5f, 0x41, 0xba, 0x17, 0xd0, 0xc3,

			0xad, 0xfd, 0xfb, 0x42, 0x33, 0xcb, 0x08, 0x5d,

			0xd2, 0x5c, 0x3d, 0xde, 0x87, 0x4d, 0xd6, 0xe4,

		},

	},

	{

		.data_len = 16,

		.digest = {

			0xbf, 0x40, 0xf2, 0x38, 0x44, 0x8e, 0x24, 0x5e,

			0xbc, 0x67, 0xbb, 0xf0, 0x10, 0x9a, 0x79, 0xbb,

			0x36, 0x55, 0xce, 0xd2, 0xba, 0x04, 0x0d, 0xe8,

			0x30, 0x29, 0x5c, 0x2a, 0xa6, 0x3a, 0x4f, 0x37,

			0xac, 0x5f, 0xd4, 0x13, 0xa2, 0xf4, 0xfe, 0x80,

			0x61, 0xd7, 0x58, 0x66, 0x0c, 0x7f, 0xa2, 0x56,

			0x6b, 0x52, 0x7c, 0x22, 0x73, 0x7f, 0x17, 0xaa,

			0x91, 0x5a, 0x22, 0x06, 0xd9, 0x00, 0x48, 0x12,

		},

	},

	{

		.data_len = 32,

		.digest = {

			0x41, 0x04, 0x65, 0x93, 0x81, 0x9a, 0x20, 0x0a,

			0x00, 0x60, 0x00, 0x64, 0x4c, 0x04, 0x3d, 0xe0,

			0x6b, 0x17, 0x0c, 0xe1, 0x0e, 0x28, 0x8b, 0xa0,

			0x76, 0xd2, 0x79, 0xb0, 0x33, 0x60, 0x61, 0x27,

			0xf2, 0x64, 0xf1, 0x8a, 0xe5, 0x3e, 0xaa, 0x37,

			0x60, 0xad, 0x2d, 0x75, 0x13, 0xae, 0xd8, 0x9e,

			0xec, 0xe0, 0xe4, 0x40, 0x2f, 0x59, 0x44, 0xb0,

			0x66, 0x7a, 0x68, 0x38, 0xce, 0x21, 0x99, 0x2a,

		},

	},

	{

		.data_len = 48,

		.digest = {

			0x19, 0x6f, 0x9d, 0xc7, 0x87, 0x12, 0x5c, 0xa3,

			0xe2, 0xd3, 0xf1, 0x82, 0xec, 0xf3, 0x55, 0x9c,

			0x86, 0xd1, 0x6d, 0xde, 0xcf, 0x5b, 0xec, 0x4c,

			0x43, 0x25, 0x85, 0x90, 0xef, 0xe8, 0xe3, 0x5f,

			0x2c, 0x3a, 0x84, 0x07, 0xb8, 0x55, 0xfd, 0x5e,

			0xa4, 0x45, 0xf2, 0xac, 0xe4, 0xbd, 0xc7, 0x96,

			0x80, 0x59, 0x3e, 0xc9, 0xb1, 0x60, 0xb1, 0x2b,

			0x17, 0x49, 0x7d, 0x3e, 0x7d, 0x4d, 0x70, 0x24,

		},

	},

	{

		.data_len = 49,

		.digest = {

			0x73, 0x72, 0xd5, 0x0a, 0x97, 0xb4, 0x7d, 0xdb,

			0x05, 0x14, 0x8e, 0x40, 0xc2, 0x9a, 0x8a, 0x74,

			0x4b, 0xda, 0x7e, 0xfc, 0x97, 0x57, 0x23, 0x39,

			0xdc, 0x57, 0x09, 0x13, 0x24, 0xfc, 0xf3, 0x23,

			0x55, 0x48, 0xdd, 0xe5, 0x07, 0x9a, 0x6f, 0x7b,

			0x62, 0xea, 0x4d, 0x79, 0xb4, 0xb9, 0xc5, 0x86,

			0xc0, 0x34, 0xd6, 0xd2, 0x6c, 0xc3, 0x94, 0xfb,

			0x34, 0xd6, 0x62, 0xae, 0xb8, 0x99, 0xf1, 0x38,

		},

	},

	{

		.data_len = 63,

		.digest = {

			0x42, 0x3a, 0xe3, 0xa2, 0xae, 0x5a, 0x28, 0xce,

			0xf1, 0x3c, 0x97, 0xc2, 0x34, 0xf6, 0xb5, 0x1e,

			0xfc, 0x31, 0xb4, 0x04, 0x61, 0xb7, 0x54, 0x0b,

			0x0d, 0x1a, 0x22, 0x9c, 0x04, 0x67, 0x5c, 0x4c,

			0x75, 0x1b, 0x10, 0x0b, 0x99, 0xe2, 0xb1, 0x5e,

			0x5d, 0x4b, 0x7a, 0xe6, 0xf6, 0xb5, 0x62, 0xee,

			0x2d, 0x44, 0x57, 0xb2, 0x96, 0x73, 0x5e, 0xb9,

			0x6a, 0xb2, 0xb3, 0x16, 0xa3, 0xd9, 0x6a, 0x60,

		},

	},

	{

		.data_len = 64,

		.digest = {

			0x50, 0xb9, 0xbe, 0xb2, 0x69, 0x07, 0x45, 0x5b,

			0x59, 0xde, 0x8d, 0xbf, 0x08, 0xdc, 0x2e, 0x7f,

			0x93, 0x29, 0xc1, 0x91, 0xe8, 0x74, 0x03, 0x89,

			0x20, 0xfb, 0xb2, 0x4b, 0xe8, 0x68, 0x6f, 0xe1,

			0xb4, 0x30, 0xbe, 0x11, 0x3c, 0x43, 0x19, 0x66,

			0x72, 0x78, 0xb7, 0xf4, 0xe9, 0x09, 0x18, 0x4e,

			0xae, 0x4a, 0x24, 0xe0, 0x6f, 0x44, 0x02, 0xe3,

			0xfd, 0xda, 0xb3, 0x3e, 0x3c, 0x6d, 0x54, 0x2e,

		},

	},

	{

		.data_len = 65,

		.digest = {

			0xd6, 0xf2, 0xa9, 0x61, 0x3f, 0xce, 0x2a, 0x68,

			0x19, 0x86, 0xff, 0xd1, 0xee, 0x89, 0x3b, 0xa4,

			0x10, 0x9a, 0x91, 0x50, 0x35, 0x48, 0x9e, 0xf5,

			0x9c, 0x95, 0xe0, 0xfb, 0x92, 0x0f, 0xa8, 0xf7,

			0x6c, 0x43, 0x85, 0xf1, 0x6e, 0x11, 0x4e, 0x67,

			0x78, 0xd7, 0x53, 0x25, 0x0c, 0xf8, 0xce, 0x38,

			0x74, 0x08, 0xb0, 0x3c, 0x53, 0x20, 0x4d, 0xc4,

			0x9a, 0xf5, 0x78, 0xe8, 0x41, 0x8f, 0xed, 0x1f,

		},

	},

	{

		.data_len = 127,

		.digest = {

			0xe8, 0xb2, 0xc5, 0xa7, 0xf5, 0xfa, 0xee, 0xa0,

			0x57, 0xba, 0x58, 0xf9, 0x0a, 0xf2, 0x64, 0x16,

			0xa8, 0xa6, 0x03, 0x85, 0x3b, 0xb8, 0x6f, 0xca,

			0x76, 0xc3, 0xa1, 0x2b, 0xec, 0xef, 0xc4, 0x66,

			0x11, 0xdf, 0x03, 0x85, 0x9d, 0x0c, 0x37, 0x7b,

			0xa9, 0x7b, 0x44, 0xfb, 0x11, 0x8f, 0x3f, 0x71,

			0xcd, 0x81, 0x43, 0x2e, 0x71, 0x5c, 0x54, 0x9f,

			0xca, 0x0f, 0x01, 0x91, 0xca, 0xaa, 0x93, 0xe9,

		},

	},

	{

		.data_len = 128,

		.digest = {

			0x05, 0x8e, 0x9d, 0xdc, 0xe9, 0x36, 0x3e, 0x73,

			0x63, 0x59, 0x69, 0x81, 0x0b, 0x8c, 0xc7, 0x9e,

			0xcc, 0xe7, 0x9c, 0x19, 0x54, 0xa7, 0x2f, 0x86,

			0xb5, 0xea, 0xae, 0x6d, 0xfe, 0x4e, 0x6e, 0x83,

			0x8d, 0x1a, 0x1c, 0x70, 0x3f, 0x34, 0xa1, 0x04,

			0x59, 0xd1, 0xbb, 0xaa, 0x58, 0xf7, 0xce, 0xfb,

			0x86, 0x66, 0x22, 0xfc, 0x78, 0x74, 0x6e, 0x85,

			0xf1, 0x59, 0x7d, 0x9e, 0x1c, 0x3b, 0xc6, 0x65,

		},

	},

	{

		.data_len = 129,

		.digest = {

			0x6b, 0x1f, 0x7c, 0x9a, 0x65, 0x7f, 0x09, 0x61,

			0xe5, 0x04, 0x9a, 0xf1, 0x4b, 0x36, 0x8e, 0x41,

			0x86, 0xcf, 0x86, 0x19, 0xd8, 0xc9, 0x34, 0x70,

			0x67, 0xd1, 0x03, 0x72, 0x12, 0xf7, 0x27, 0x92,

			0x2e, 0x3d, 0x2b, 0x54, 0x9a, 0x48, 0xa4, 0xc2,

			0x61, 0xea, 0x6a, 0xe8, 0xdd, 0x07, 0x41, 0x85,

			0x58, 0x6d, 0xcd, 0x12, 0x0d, 0xbc, 0xb1, 0x23,

			0xb2, 0xdb, 0x24, 0x1f, 0xc4, 0xa7, 0xae, 0xda,

		},

	},

	{

		.data_len = 256,

		.digest = {

			0x50, 0xd8, 0xdc, 0xb2, 0x50, 0x24, 0x7a, 0x49,

			0xb1, 0x00, 0x73, 0x16, 0x1f, 0xce, 0xf9, 0xe8,

			0x77, 0x0a, 0x27, 0x74, 0xc7, 0xeb, 0xf0, 0x62,

			0xb9, 0xf3, 0x24, 0xa6, 0x03, 0x18, 0x40, 0xde,

			0x9b, 0x1d, 0xa8, 0xd0, 0xbf, 0x66, 0xa3, 0xc1,

			0x31, 0x04, 0x95, 0xc7, 0xc3, 0xb7, 0x11, 0xe2,

			0x1e, 0x31, 0x49, 0x98, 0x06, 0xab, 0xf0, 0xe6,

			0x5c, 0xac, 0x88, 0x28, 0x0b, 0x3d, 0xb2, 0xc2,

		},

	},

	{

		.data_len = 511,

		.digest = {

			0xd4, 0x2b, 0x6b, 0x9e, 0xfc, 0x44, 0xc0, 0x90,

			0x64, 0x77, 0x5d, 0xf3, 0x44, 0xb6, 0x92, 0x8f,

			0x80, 0xe2, 0xe4, 0x9b, 0xaf, 0x49, 0x04, 0xea,

			0x29, 0xf7, 0x4a, 0x33, 0x3f, 0xc7, 0x3b, 0xab,

			0xa1, 0x71, 0x7f, 0xa2, 0x8e, 0x03, 0xa0, 0xd6,

			0xa7, 0xcd, 0xe0, 0xf8, 0xd7, 0x3b, 0xa4, 0x0d,

			0x84, 0x79, 0x12, 0x72, 0x3f, 0x8e, 0x48, 0x35,

			0x76, 0x4f, 0x56, 0xe9, 0x21, 0x40, 0x19, 0xbe,

		},

	},

	{

		.data_len = 513,

		.digest = {

			0x84, 0xd4, 0xd8, 0x6c, 0x60, 0x3d, 0x6e, 0xfd,

			0x84, 0xb7, 0xdf, 0xba, 0x13, 0x5e, 0x07, 0x94,

			0x5b, 0x6b, 0x62, 0x1d, 0x82, 0x02, 0xa7, 0xb3,

			0x21, 0xdf, 0x42, 0x20, 0x85, 0xa8, 0x6f, 0x30,

			0xf7, 0x03, 0xba, 0x66, 0x0e, 0xa6, 0x42, 0x21,

			0x37, 0xe8, 0xed, 0x5b, 0x22, 0xf5, 0x4e, 0xa5,

			0xe5, 0x80, 0x1b, 0x47, 0xf0, 0x49, 0xb3, 0xe5,

			0x6e, 0xd9, 0xd9, 0x95, 0x3d, 0x2e, 0x42, 0x13,

		},

	},

	{

		.data_len = 1000,

		.digest = {

			0x71, 0x17, 0xab, 0x93, 0xfe, 0x3b, 0xa4, 0xe6,

			0xcb, 0xb0, 0xea, 0x95, 0xe7, 0x1a, 0x01, 0xc0,

			0x12, 0x33, 0xfe, 0xcc, 0x79, 0x15, 0xae, 0x56,

			0xd2, 0x70, 0x44, 0x60, 0x54, 0x42, 0xa8, 0x69,

			0x7e, 0xc3, 0x90, 0xa0, 0x0c, 0x63, 0x39, 0xff,

			0x55, 0x53, 0xb8, 0x46, 0xef, 0x06, 0xcb, 0xba,

			0x73, 0xf4, 0x76, 0x22, 0xf1, 0x60, 0x98, 0xbc,

			0xbf, 0x76, 0x95, 0x85, 0x13, 0x1d, 0x11, 0x3b,

		},

	},

	{

		.data_len = 3333,

		.digest = {

			0x3a, 0xaa, 0x85, 0xa0, 0x8c, 0x8e, 0xe1, 0x9c,

			0x9b, 0x43, 0x72, 0x7f, 0x40, 0x88, 0x3b, 0xd1,

			0xc4, 0xd8, 0x2b, 0x69, 0xa6, 0x74, 0x47, 0x69,

			0x5f, 0x7d, 0xab, 0x75, 0xa9, 0xf9, 0x88, 0x54,

			0xce, 0x57, 0xcc, 0x9d, 0xac, 0x13, 0x91, 0xdb,

			0x6d, 0x5c, 0xd8, 0xf4, 0x35, 0xc9, 0x30, 0xf0,

			0x4b, 0x91, 0x25, 0xab, 0x92, 0xa8, 0xc8, 0x6f,

			0xa0, 0xeb, 0x71, 0x56, 0x95, 0xab, 0xfd, 0xd7,

		},

	},

	{

		.data_len = 4096,

		.digest = {

			0xe1, 0xe9, 0xbe, 0x6c, 0x96, 0xe2, 0xe8, 0xa6,

			0x53, 0xcd, 0x79, 0x77, 0x57, 0x51, 0x2f, 0xb2,

			0x9f, 0xfc, 0x09, 0xaa, 0x2c, 0xbc, 0x6c, 0x5f,

			0xb0, 0xf2, 0x12, 0x39, 0x54, 0xd7, 0x27, 0xf8,

			0x33, 0x5d, 0xd4, 0x8a, 0xca, 0xd8, 0x2e, 0xbb,

			0x02, 0x82, 0xca, 0x1b, 0x54, 0xfa, 0xd6, 0xf4,

			0x49, 0x63, 0xfc, 0xc8, 0x73, 0xd4, 0x26, 0x8d,

			0x4f, 0x1c, 0x56, 0xa7, 0xf4, 0x58, 0x6f, 0x51,

		},

	},

	{

		.data_len = 4128,

		.digest = {

			0xf2, 0xf6, 0xe1, 0x16, 0x98, 0x69, 0x74, 0x5f,

			0x6c, 0xc4, 0x9d, 0x34, 0xa2, 0x84, 0x5d, 0x47,

			0xac, 0x39, 0xe0, 0x14, 0x2d, 0x78, 0xfa, 0x27,

			0xd5, 0x18, 0xaf, 0x26, 0x89, 0xa4, 0x69, 0xd3,

			0x56, 0xde, 0xfe, 0x4b, 0x9f, 0x0c, 0x9d, 0x5a,

			0x9a, 0x73, 0x3e, 0x3c, 0x76, 0x4b, 0x96, 0xca,

			0x49, 0xda, 0x05, 0x8c, 0x53, 0xbb, 0x85, 0x89,

			0x60, 0xc7, 0xe0, 0xb3, 0x51, 0x18, 0xd2, 0xd2,

		},

	},

	{

		.data_len = 4160,

		.digest = {

			0xfc, 0x5c, 0xcf, 0xbf, 0x29, 0xe3, 0x01, 0xef,

			0x4b, 0x40, 0x70, 0x01, 0xca, 0x4d, 0x46, 0xce,

			0xa9, 0x95, 0x5d, 0xb4, 0xf1, 0x79, 0x29, 0xdb,

			0xac, 0x32, 0x3d, 0xd9, 0x60, 0x9e, 0x6b, 0xb8,

			0x28, 0x62, 0xb7, 0x4a, 0xbb, 0x33, 0xb9, 0xd0,

			0x83, 0xe0, 0xd7, 0x5a, 0x2d, 0x01, 0x4c, 0x61,

			0x9e, 0x7d, 0x2d, 0x2d, 0x60, 0x29, 0x5e, 0x60,

			0x10, 0xb7, 0x41, 0x00, 0x3f, 0xe5, 0xf7, 0x52,

		},

	},

	{

		.data_len = 4224,

		.digest = {

			0xf8, 0xe5, 0x4b, 0xe5, 0x89, 0xf9, 0x1b, 0x43,

			0xbb, 0x65, 0x3d, 0xa0, 0xb4, 0xdc, 0x04, 0x26,

			0x68, 0x15, 0xae, 0x4d, 0xd6, 0x03, 0xb7, 0x27,

			0x06, 0x8c, 0x2a, 0x82, 0x51, 0x96, 0xbf, 0x83,

			0x38, 0x96, 0x21, 0x8a, 0xd9, 0xf9, 0x4e, 0x38,

			0xc6, 0xb3, 0xbd, 0xfe, 0xd3, 0x49, 0x90, 0xbc,

			0xa1, 0x77, 0xd0, 0xa0, 0x3c, 0x2b, 0x4e, 0x10,

			0x34, 0xc3, 0x17, 0x85, 0x3d, 0xec, 0xa8, 0x05,

		},

	},

	{

		.data_len = 16384,

		.digest = {

			0x38, 0x56, 0xaf, 0x83, 0x68, 0x9c, 0xba, 0xe3,

			0xec, 0x51, 0xf5, 0xf4, 0x93, 0x48, 0x1d, 0xe6,

			0xad, 0xa8, 0x8c, 0x70, 0x2a, 0xd9, 0xaa, 0x43,

			0x04, 0x40, 0x95, 0xc1, 0xe6, 0x8a, 0xf5, 0x01,

			0x6b, 0x79, 0xd9, 0xb4, 0xd0, 0x1d, 0x93, 0x26,

			0xfe, 0xf5, 0x07, 0x57, 0xda, 0x08, 0x0a, 0x82,

			0xc9, 0x17, 0x13, 0x5b, 0x9e, 0x11, 0x96, 0xa5,

			0xd0, 0x92, 0xcd, 0xf1, 0xa3, 0x5b, 0x43, 0x21,

		},

	},

};



static const u8 hash_testvec_consolidated[BLAKE2B_HASH_SIZE] = {

	0xa4, 0xf8, 0xf6, 0xa1, 0x36, 0x89, 0xc0, 0x2a,

	0xc3, 0x42, 0x32, 0x71, 0xe5, 0xea, 0x14, 0x77,

	0xf3, 0x99, 0x91, 0x87, 0x49, 0xc2, 0x8d, 0xa5,

	0x2f, 0xed, 0x01, 0x35, 0x39, 0x64, 0x09, 0x25,

	0xe3, 0xa8, 0x50, 0x97, 0x35, 0x8b, 0xf5, 0x19,

	0x1e, 0xd5, 0x9f, 0x03, 0x0b, 0x65, 0x55, 0x0e,

	0xa0, 0xb7, 0xda, 0x18, 0x7b, 0x7f, 0x88, 0x55,

	0x1f, 0xdb, 0x82, 0x6b, 0x98, 0x90, 0x1c, 0xdd,

};



static const u8 blake2b_keyed_testvec_consolidated[BLAKE2B_HASH_SIZE] = {

	0x2b, 0x89, 0x36, 0x3a, 0x36, 0xe4, 0x18, 0x38,

	0xc4, 0x5b, 0x5c, 0xa5, 0x9a, 0xed, 0xf2, 0xee,

	0x5a, 0xb6, 0x82, 0x6c, 0x63, 0xf2, 0x29, 0x57,

	0xc7, 0xd5, 0x32, 0x27, 0xba, 0x88, 0xb1, 0xab,

	0xf2, 0x2a, 0xc1, 0xea, 0xf3, 0x91, 0x89, 0x66,

	0x47, 0x1e, 0x5b, 0xc6, 0x98, 0x12, 0xe9, 0x25,

	0xbf, 0x72, 0xd2, 0x3f, 0x88, 0x97, 0x17, 0x51,

	0xed, 0x96, 0xfb, 0xe9, 0xca, 0x52, 0x42, 0xc9,

};

lib/crypto/tests/blake2b_kunit.c

0 → 100644
+133 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * Copyright 2025 Google LLC

 */

#include <crypto/blake2b.h>

#include "blake2b-testvecs.h"



/*

 * The following are compatibility functions that present BLAKE2b as an unkeyed

 * hash function that produces hashes of fixed length BLAKE2B_HASH_SIZE, so that

 * hash-test-template.h can be reused to test it.

 */



static void blake2b_default(const u8 *data, size_t len,

			    u8 out[BLAKE2B_HASH_SIZE])

{

	blake2b(NULL, 0, data, len, out, BLAKE2B_HASH_SIZE);

}



static void blake2b_init_default(struct blake2b_ctx *ctx)

{

	blake2b_init(ctx, BLAKE2B_HASH_SIZE);

}



/*

 * Generate the HASH_KUNIT_CASES using hash-test-template.h.  These test BLAKE2b

 * with a key length of 0 and a hash length of BLAKE2B_HASH_SIZE.

 */

#define HASH blake2b_default

#define HASH_CTX blake2b_ctx

#define HASH_SIZE BLAKE2B_HASH_SIZE

#define HASH_INIT blake2b_init_default

#define HASH_UPDATE blake2b_update

#define HASH_FINAL blake2b_final

#include "hash-test-template.h"



/*

 * BLAKE2b specific test case which tests all possible combinations of key

 * length and hash length.

 */

static void test_blake2b_all_key_and_hash_lens(struct kunit *test)

{

	const size_t data_len = 100;

	u8 *data = &test_buf[0];

	u8 *key = data + data_len;

	u8 *hash = key + BLAKE2B_KEY_SIZE;

	struct blake2b_ctx main_ctx;

	u8 main_hash[BLAKE2B_HASH_SIZE];



	rand_bytes_seeded_from_len(data, data_len);

	blake2b_init(&main_ctx, BLAKE2B_HASH_SIZE);

	for (int key_len = 0; key_len <= BLAKE2B_KEY_SIZE; key_len++) {

		rand_bytes_seeded_from_len(key, key_len);

		for (int out_len = 1; out_len <= BLAKE2B_HASH_SIZE; out_len++) {

			blake2b(key, key_len, data, data_len, hash, out_len);

			blake2b_update(&main_ctx, hash, out_len);

		}

	}

	blake2b_final(&main_ctx, main_hash);

	KUNIT_ASSERT_MEMEQ(test, main_hash, blake2b_keyed_testvec_consolidated,

			   BLAKE2B_HASH_SIZE);

}



/*

 * BLAKE2b specific test case which tests using a guarded buffer for all allowed

 * key lengths.  Also tests both blake2b() and blake2b_init_key().

 */

static void test_blake2b_with_guarded_key_buf(struct kunit *test)

{

	const size_t data_len = 100;



	rand_bytes(test_buf, data_len);

	for (int key_len = 0; key_len <= BLAKE2B_KEY_SIZE; key_len++) {

		u8 key[BLAKE2B_KEY_SIZE];

		u8 *guarded_key = &test_buf[TEST_BUF_LEN - key_len];

		u8 hash1[BLAKE2B_HASH_SIZE];

		u8 hash2[BLAKE2B_HASH_SIZE];

		struct blake2b_ctx ctx;



		rand_bytes(key, key_len);

		memcpy(guarded_key, key, key_len);



		blake2b(key, key_len, test_buf, data_len,

			hash1, BLAKE2B_HASH_SIZE);

		blake2b(guarded_key, key_len, test_buf, data_len,

			hash2, BLAKE2B_HASH_SIZE);

		KUNIT_ASSERT_MEMEQ(test, hash1, hash2, BLAKE2B_HASH_SIZE);



		blake2b_init_key(&ctx, BLAKE2B_HASH_SIZE, guarded_key, key_len);

		blake2b_update(&ctx, test_buf, data_len);

		blake2b_final(&ctx, hash2);

		KUNIT_ASSERT_MEMEQ(test, hash1, hash2, BLAKE2B_HASH_SIZE);

	}

}



/*

 * BLAKE2b specific test case which tests using a guarded output buffer for all

 * allowed output lengths.

 */

static void test_blake2b_with_guarded_out_buf(struct kunit *test)

{

	const size_t data_len = 100;



	rand_bytes(test_buf, data_len);

	for (int out_len = 1; out_len <= BLAKE2B_HASH_SIZE; out_len++) {

		u8 hash[BLAKE2B_HASH_SIZE];

		u8 *guarded_hash = &test_buf[TEST_BUF_LEN - out_len];



		blake2b(NULL, 0, test_buf, data_len, hash, out_len);

		blake2b(NULL, 0, test_buf, data_len, guarded_hash, out_len);

		KUNIT_ASSERT_MEMEQ(test, hash, guarded_hash, out_len);

	}

}



static struct kunit_case blake2b_test_cases[] = {

	HASH_KUNIT_CASES,

	KUNIT_CASE(test_blake2b_all_key_and_hash_lens),

	KUNIT_CASE(test_blake2b_with_guarded_key_buf),

	KUNIT_CASE(test_blake2b_with_guarded_out_buf),

	KUNIT_CASE(benchmark_hash),

	{},

};



static struct kunit_suite blake2b_test_suite = {

	.name = "blake2b",

	.test_cases = blake2b_test_cases,

	.suite_init = hash_suite_init,

	.suite_exit = hash_suite_exit,

};

kunit_test_suite(blake2b_test_suite);



MODULE_DESCRIPTION("KUnit tests and benchmark for BLAKE2b");

MODULE_LICENSE("GPL");

scripts/crypto/gen-hash-testvecs.py

+16 −13
Original line number Diff line number Diff line
@@ -85,8 +85,8 @@ def print_c_struct_u8_array_field(name, value): 
    print('\t\t},')



def alg_digest_size_const(alg):

    if alg == 'blake2s':

        return 'BLAKE2S_HASH_SIZE'

    if alg.startswith('blake2'):

        return f'{alg.upper()}_HASH_SIZE'

    return f'{alg.upper()}_DIGEST_SIZE'



def gen_unkeyed_testvecs(alg):
@@ -124,19 +124,22 @@ def gen_hmac_testvecs(alg): 
            f'hmac_testvec_consolidated[{alg.upper()}_DIGEST_SIZE]',

            ctx.digest())



BLAKE2S_KEY_SIZE = 32

BLAKE2S_HASH_SIZE = 32



def gen_additional_blake2s_testvecs():

def gen_additional_blake2_testvecs(alg):

    if alg == 'blake2s':

        (max_key_size, max_hash_size) = (32, 32)

    elif alg == 'blake2b':

        (max_key_size, max_hash_size) = (64, 64)

    else:

        raise ValueError(f'Unsupported alg: {alg}')

    hashes = b''

    for key_len in range(BLAKE2S_KEY_SIZE + 1):

        for out_len in range(1, BLAKE2S_HASH_SIZE + 1):

            h = hashlib.blake2s(digest_size=out_len, key=rand_bytes(key_len))

    for key_len in range(max_key_size + 1):

        for out_len in range(1, max_hash_size + 1):

            h = hashlib.new(alg, digest_size=out_len, key=rand_bytes(key_len))

            h.update(rand_bytes(100))

            hashes += h.digest()

    print_static_u8_array_definition(

            'blake2s_keyed_testvec_consolidated[BLAKE2S_HASH_SIZE]',

            compute_hash('blake2s', hashes))

            f'{alg}_keyed_testvec_consolidated[{alg_digest_size_const(alg)}]',

            compute_hash(alg, hashes))



def gen_additional_poly1305_testvecs():

    key = b'\xff' * POLY1305_KEY_SIZE
@@ -160,8 +163,8 @@ alg = sys.argv[1] 
print('/* SPDX-License-Identifier: GPL-2.0-or-later */')

print(f'/* This file was generated by: {sys.argv[0]} {" ".join(sys.argv[1:])} */')

gen_unkeyed_testvecs(alg)

if alg == 'blake2s':

    gen_additional_blake2s_testvecs()

if alg.startswith('blake2'):

    gen_additional_blake2_testvecs(alg)

elif alg == 'poly1305':

    gen_additional_poly1305_testvecs()

else: