302 lines
6.7 KiB
C
302 lines
6.7 KiB
C
/* $OpenBSD: md_test.c,v 1.1.1.1 2022/09/02 13:34:48 tb Exp $ */
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/*
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* Copyright (c) 2022 Joshua Sing <joshua@hypera.dev>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <openssl/evp.h>
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#include <openssl/md4.h>
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#include <openssl/md5.h>
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#include <stdint.h>
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#include <string.h>
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struct md_test {
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const int algorithm;
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const uint8_t in[128];
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const size_t in_len;
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const uint8_t out[EVP_MAX_MD_SIZE];
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};
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static const struct md_test md_tests[] = {
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/* MD4 (RFC 1320 test vectors) */
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{
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.algorithm = NID_md4,
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.in = "",
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.in_len = 0,
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.out = {
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0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31,
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0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0,
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}
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},
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{
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.algorithm = NID_md4,
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.in = "a",
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.in_len = 1,
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.out = {
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0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46,
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0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24,
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}
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},
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{
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.algorithm = NID_md4,
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.in = "abc",
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.in_len = 3,
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.out = {
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0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52,
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0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d,
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}
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},
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{
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.algorithm = NID_md4,
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.in = "message digest",
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.in_len = 14,
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.out = {
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0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8,
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0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b,
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}
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},
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{
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.algorithm = NID_md4,
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.in = "abcdefghijklmnopqrstuvwxyz",
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.in_len = 26,
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.out = {
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0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd,
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0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9,
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}
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},
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{
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.algorithm = NID_md4,
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.in =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv"
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"wxyz0123456789",
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.in_len = 62,
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.out = {
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0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35,
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0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4,
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}
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},
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{
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.algorithm = NID_md4,
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.in =
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"123456789012345678901234567890123456789012345678"
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"90123456789012345678901234567890",
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.in_len = 80,
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.out = {
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0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19,
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0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36,
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}
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},
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/* MD5 (RFC 1321 test vectors) */
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{
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.algorithm = NID_md5,
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.in = "",
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.in_len = 0,
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.out = {
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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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.algorithm = NID_md5,
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.in = "a",
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.in_len = 1,
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.out = {
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0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8,
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0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61,
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}
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},
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{
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.algorithm = NID_md5,
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.in = "abc",
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.in_len = 3,
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.out = {
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0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
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0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72,
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}
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},
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{
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.algorithm = NID_md5,
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.in = "message digest",
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.in_len = 14,
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.out = {
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0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d,
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0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0,
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}
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},
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{
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.algorithm = NID_md5,
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.in = "abcdefghijklmnopqrstuvwxyz",
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.in_len = 26,
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.out = {
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0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00,
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0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b,
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}
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},
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{
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.algorithm = NID_md5,
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.in =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv"
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"wxyz0123456789",
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.in_len = 62,
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.out = {
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0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5,
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0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f,
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}
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},
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{
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.algorithm = NID_md5,
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.in =
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"123456789012345678901234567890123456789012345678"
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"90123456789012345678901234567890",
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.in_len = 80,
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.out = {
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0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55,
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0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a,
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}
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},
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};
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#define N_MD_TESTS (sizeof(md_tests) / sizeof(md_tests[0]))
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typedef unsigned char *(*md_hash_func)(const unsigned char *, size_t,
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unsigned char *);
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static int
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md_hash_from_algorithm(int algorithm, const char **out_label,
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md_hash_func *out_func, const EVP_MD **out_md, size_t *out_len)
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{
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switch (algorithm) {
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case NID_md4:
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*out_label = SN_md4;
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*out_func = MD4;
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*out_md = EVP_md4();
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*out_len = MD4_DIGEST_LENGTH;
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break;
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case NID_md5:
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*out_label = SN_md5;
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*out_func = MD5;
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*out_md = EVP_md5();
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*out_len = MD5_DIGEST_LENGTH;
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break;
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default:
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fprintf(stderr, "FAIL: unknown algorithm (%d)\n",
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algorithm);
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return 0;
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}
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return 1;
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}
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static int
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md_test(void)
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{
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unsigned char *(*md_func)(const unsigned char *, size_t, unsigned char *);
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const struct md_test *st;
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EVP_MD_CTX *hash = NULL;
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const EVP_MD *md;
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uint8_t out[EVP_MAX_MD_SIZE];
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size_t in_len, out_len;
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size_t i;
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const char *label;
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int failed = 1;
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if ((hash = EVP_MD_CTX_new()) == NULL) {
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fprintf(stderr, "FAIL: EVP_MD_CTX_new() failed\n");
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goto failed;
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}
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for (i = 0; i < N_MD_TESTS; i++) {
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st = &md_tests[i];
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if (!md_hash_from_algorithm(st->algorithm, &label, &md_func,
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&md, &out_len))
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goto failed;
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/* Digest */
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memset(out, 0, sizeof(out));
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md_func(st->in, st->in_len, out);
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if (memcmp(st->out, out, out_len) != 0) {
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fprintf(stderr, "FAIL (%s): mismatch\n", label);
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goto failed;
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}
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/* EVP single-shot digest */
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memset(out, 0, sizeof(out));
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if (!EVP_Digest(st->in, st->in_len, out, NULL, md, NULL)) {
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fprintf(stderr, "FAIL (%s): EVP_Digest failed\n",
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label);
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goto failed;
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}
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if (memcmp(st->out, out, out_len) != 0) {
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fprintf(stderr, "FAIL (%s): EVP single-shot mismatch\n",
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label);
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goto failed;
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}
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/* EVP digest */
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memset(out, 0, sizeof(out));
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if (!EVP_DigestInit_ex(hash, md, NULL)) {
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fprintf(stderr, "FAIL (%s): EVP_DigestInit_ex failed\n",
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label);
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goto failed;
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}
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in_len = st->in_len / 2;
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if (!EVP_DigestUpdate(hash, st->in, in_len)) {
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fprintf(stderr,
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"FAIL (%s): EVP_DigestUpdate first half failed\n",
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label);
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goto failed;
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}
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if (!EVP_DigestUpdate(hash, st->in + in_len,
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st->in_len - in_len)) {
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fprintf(stderr,
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"FAIL (%s): EVP_DigestUpdate second half failed\n",
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label);
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goto failed;
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}
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if (!EVP_DigestFinal_ex(hash, out, NULL)) {
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fprintf(stderr,
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"FAIL (%s): EVP_DigestFinal_ex failed\n",
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label);
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goto failed;
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}
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if (memcmp(st->out, out, out_len) != 0) {
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fprintf(stderr, "FAIL (%s): EVP mismatch\n", label);
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goto failed;
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}
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}
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failed = 0;
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failed:
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EVP_MD_CTX_free(hash);
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return failed;
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}
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int
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main(int argc, char **argv)
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{
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int failed = 0;
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failed |= md_test();
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return failed;
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}
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