lib/crypto: tests: Add KUnit tests for MD5 and HMAC-MD5
Add a KUnit test suite for the MD5 library functions, including the corresponding HMAC support. The core test logic is in the previously-added hash-test-template.h. This commit just adds the actual KUnit suite, and it adds the generated test vectors to the tree so that gen-hash-testvecs.py won't have to be run at build time. Link: https://lore.kernel.org/r/20250805222855.10362-8-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org>pull/1354/merge
Eric Biggers
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# SPDX-License-Identifier: GPL-2.0-or-later
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config CRYPTO_LIB_MD5_KUNIT_TEST
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tristate "KUnit tests for MD5" if !KUNIT_ALL_TESTS
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depends on KUNIT
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default KUNIT_ALL_TESTS || CRYPTO_SELFTESTS
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select CRYPTO_LIB_BENCHMARK_VISIBLE
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select CRYPTO_LIB_MD5
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help
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KUnit tests for the MD5 cryptographic hash function and its
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corresponding HMAC.
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config CRYPTO_LIB_POLY1305_KUNIT_TEST
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tristate "KUnit tests for Poly1305" if !KUNIT_ALL_TESTS
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depends on KUNIT
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@ -1,5 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0-or-later
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obj-$(CONFIG_CRYPTO_LIB_MD5_KUNIT_TEST) += md5_kunit.o
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obj-$(CONFIG_CRYPTO_LIB_POLY1305_KUNIT_TEST) += poly1305_kunit.o
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obj-$(CONFIG_CRYPTO_LIB_SHA1_KUNIT_TEST) += sha1_kunit.o
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obj-$(CONFIG_CRYPTO_LIB_SHA256_KUNIT_TEST) += sha224_kunit.o sha256_kunit.o
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* This file was generated by: ./scripts/crypto/gen-hash-testvecs.py md5 */
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static const struct {
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size_t data_len;
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u8 digest[MD5_DIGEST_SIZE];
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} hash_testvecs[] = {
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{
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.data_len = 0,
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.digest = {
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0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
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0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
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},
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},
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{
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.data_len = 1,
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.digest = {
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0x16, 0x7b, 0x86, 0xf2, 0x1d, 0xf3, 0x76, 0xc9,
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0x6f, 0x10, 0xa0, 0x61, 0x5b, 0x14, 0x20, 0x0b,
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},
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},
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{
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.data_len = 2,
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.digest = {
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0x2d, 0x30, 0x96, 0xc7, 0x43, 0x40, 0xed, 0xb2,
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0xfb, 0x84, 0x63, 0x9a, 0xec, 0xc7, 0x3c, 0x3c,
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},
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},
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{
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.data_len = 3,
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.digest = {
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0xe5, 0x0f, 0xce, 0xe0, 0xc8, 0xff, 0x4e, 0x08,
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0x5e, 0x19, 0xe5, 0xf2, 0x08, 0x11, 0x19, 0x16,
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},
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},
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{
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.data_len = 16,
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.digest = {
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0xe8, 0xca, 0x29, 0x05, 0x2f, 0xd1, 0xf3, 0x99,
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0x40, 0x71, 0xf5, 0xc2, 0xf7, 0xf8, 0x17, 0x3e,
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},
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},
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{
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.data_len = 32,
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.digest = {
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0xe3, 0x20, 0xc1, 0xd8, 0x21, 0x14, 0x44, 0x59,
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0x1a, 0xf5, 0x91, 0xaf, 0x69, 0xbe, 0x93, 0x9d,
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},
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},
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{
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.data_len = 48,
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.digest = {
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0xfb, 0x06, 0xb0, 0xf0, 0x00, 0x10, 0x4b, 0x68,
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0x3d, 0x75, 0xf9, 0x70, 0xde, 0xbb, 0x32, 0x16,
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},
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},
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{
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.data_len = 49,
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.digest = {
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0x52, 0x86, 0x48, 0x8b, 0xae, 0x91, 0x7c, 0x4e,
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0xc2, 0x2a, 0x69, 0x07, 0x35, 0xcc, 0xb2, 0x88,
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},
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},
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{
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.data_len = 63,
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.digest = {
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0xfa, 0xd3, 0xf6, 0xe6, 0x7b, 0x1a, 0xc6, 0x05,
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0x73, 0x35, 0x02, 0xab, 0xc7, 0xb3, 0x47, 0xcb,
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},
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},
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{
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.data_len = 64,
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.digest = {
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0xc5, 0x59, 0x29, 0xe9, 0x0a, 0x4a, 0x86, 0x43,
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0x7c, 0xaf, 0xdf, 0x83, 0xd3, 0xb8, 0x33, 0x5f,
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},
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},
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{
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.data_len = 65,
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.digest = {
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0x80, 0x05, 0x75, 0x39, 0xec, 0x44, 0x8a, 0x81,
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0xe7, 0x6e, 0x8d, 0xd1, 0xc6, 0xeb, 0xc2, 0xf0,
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},
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},
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{
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.data_len = 127,
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.digest = {
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0x3f, 0x02, 0xe8, 0xc6, 0xb8, 0x6a, 0x39, 0xc3,
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0xa4, 0x1c, 0xd9, 0x8f, 0x4a, 0x71, 0x40, 0x30,
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},
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},
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{
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.data_len = 128,
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.digest = {
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0x89, 0x4f, 0x79, 0x3e, 0xff, 0x0c, 0x22, 0x60,
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0xa2, 0xdc, 0x10, 0x5f, 0x23, 0x0a, 0xe7, 0xc6,
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},
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},
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{
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.data_len = 129,
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.digest = {
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0x06, 0x56, 0x61, 0xb8, 0x8a, 0x82, 0x77, 0x1b,
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0x2c, 0x35, 0xb8, 0x9f, 0xd6, 0xf7, 0xbd, 0x5a,
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},
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},
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{
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.data_len = 256,
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.digest = {
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0x5d, 0xdf, 0x7d, 0xc8, 0x43, 0x96, 0x3b, 0xdb,
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0xc7, 0x0e, 0x44, 0x42, 0x23, 0xf7, 0xed, 0xdf,
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},
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},
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{
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.data_len = 511,
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.digest = {
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0xf6, 0x5f, 0x26, 0x51, 0x8a, 0x5a, 0x46, 0x8f,
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0x48, 0x72, 0x90, 0x74, 0x9d, 0x87, 0xbd, 0xdf,
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},
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},
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{
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.data_len = 513,
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.digest = {
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0xd8, 0x2c, 0xc9, 0x76, 0xfa, 0x67, 0x2e, 0xa6,
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0xc8, 0x12, 0x4a, 0x64, 0xaa, 0x0b, 0x3d, 0xbd,
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},
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},
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{
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.data_len = 1000,
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.digest = {
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0xe2, 0x7e, 0xb4, 0x5f, 0xe1, 0x74, 0x51, 0xfc,
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0xe0, 0xc8, 0xd5, 0xe6, 0x8b, 0x40, 0xd2, 0x0e,
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},
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},
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{
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.data_len = 3333,
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.digest = {
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0xcd, 0x7d, 0x56, 0xa9, 0x4c, 0x47, 0xea, 0xc2,
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0x34, 0x0b, 0x84, 0x05, 0xf9, 0xad, 0xbb, 0x46,
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},
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},
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{
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.data_len = 4096,
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.digest = {
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0x63, 0x6e, 0x58, 0xb3, 0x94, 0x6b, 0x83, 0x5f,
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0x1f, 0x0e, 0xd3, 0x66, 0x78, 0x71, 0x98, 0x42,
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},
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},
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{
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.data_len = 4128,
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.digest = {
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0x9d, 0x68, 0xfc, 0x26, 0x8b, 0x4c, 0xa8, 0xe7,
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0x30, 0x0b, 0x19, 0x52, 0x6e, 0xa5, 0x65, 0x1c,
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},
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},
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{
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.data_len = 4160,
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.digest = {
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0x1c, 0xaa, 0x7d, 0xee, 0x91, 0x01, 0xe2, 0x5a,
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0xec, 0xe9, 0xde, 0x57, 0x0a, 0xb6, 0x4c, 0x2f,
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},
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},
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{
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.data_len = 4224,
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.digest = {
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0x1b, 0x31, 0xe3, 0x14, 0x07, 0x16, 0x17, 0xc6,
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0x98, 0x79, 0x88, 0x23, 0xb6, 0x3b, 0x25, 0xc4,
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},
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},
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{
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.data_len = 16384,
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.digest = {
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0xc6, 0x3d, 0x56, 0x90, 0xf0, 0xf6, 0xe6, 0x50,
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0xf4, 0x76, 0x78, 0x67, 0xa3, 0xdd, 0x62, 0x7b,
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},
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},
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};
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static const u8 hash_testvec_consolidated[MD5_DIGEST_SIZE] = {
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0x70, 0x86, 0x9e, 0x6c, 0xa4, 0xc6, 0x71, 0x43,
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0x26, 0x02, 0x1b, 0x3f, 0xfd, 0x56, 0x9f, 0xa6,
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};
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static const u8 hmac_testvec_consolidated[MD5_DIGEST_SIZE] = {
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0x10, 0x02, 0x74, 0xf6, 0x4d, 0xb3, 0x3c, 0xc7,
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0xa1, 0xf7, 0xe6, 0xd4, 0x32, 0x64, 0xfa, 0x6d,
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};
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@ -0,0 +1,39 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2025 Google LLC
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*/
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#include <crypto/md5.h>
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#include "md5-testvecs.h"
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#define HASH md5
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#define HASH_CTX md5_ctx
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#define HASH_SIZE MD5_DIGEST_SIZE
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#define HASH_INIT md5_init
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#define HASH_UPDATE md5_update
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#define HASH_FINAL md5_final
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#define HMAC_KEY hmac_md5_key
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#define HMAC_CTX hmac_md5_ctx
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#define HMAC_PREPAREKEY hmac_md5_preparekey
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#define HMAC_INIT hmac_md5_init
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#define HMAC_UPDATE hmac_md5_update
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#define HMAC_FINAL hmac_md5_final
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#define HMAC hmac_md5
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#define HMAC_USINGRAWKEY hmac_md5_usingrawkey
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#include "hash-test-template.h"
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static struct kunit_case hash_test_cases[] = {
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HASH_KUNIT_CASES,
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KUNIT_CASE(benchmark_hash),
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{},
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};
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static struct kunit_suite hash_test_suite = {
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.name = "md5",
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.test_cases = hash_test_cases,
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.suite_init = hash_suite_init,
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.suite_exit = hash_suite_exit,
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};
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kunit_test_suite(hash_test_suite);
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MODULE_DESCRIPTION("KUnit tests and benchmark for MD5 and HMAC-MD5");
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MODULE_LICENSE("GPL");
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