/* $OpenBSD: md_test.c,v 1.1.1.1 2022/09/02 13:34:48 tb Exp $ */ /* * Copyright (c) 2022 Joshua Sing * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include struct md_test { const int algorithm; const uint8_t in[128]; const size_t in_len; const uint8_t out[EVP_MAX_MD_SIZE]; }; static const struct md_test md_tests[] = { /* MD4 (RFC 1320 test vectors) */ { .algorithm = NID_md4, .in = "", .in_len = 0, .out = { 0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31, 0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0, } }, { .algorithm = NID_md4, .in = "a", .in_len = 1, .out = { 0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46, 0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24, } }, { .algorithm = NID_md4, .in = "abc", .in_len = 3, .out = { 0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52, 0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d, } }, { .algorithm = NID_md4, .in = "message digest", .in_len = 14, .out = { 0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8, 0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b, } }, { .algorithm = NID_md4, .in = "abcdefghijklmnopqrstuvwxyz", .in_len = 26, .out = { 0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd, 0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9, } }, { .algorithm = NID_md4, .in = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv" "wxyz0123456789", .in_len = 62, .out = { 0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35, 0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4, } }, { .algorithm = NID_md4, .in = "123456789012345678901234567890123456789012345678" "90123456789012345678901234567890", .in_len = 80, .out = { 0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19, 0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36, } }, /* MD5 (RFC 1321 test vectors) */ { .algorithm = NID_md5, .in = "", .in_len = 0, .out = { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e, } }, { .algorithm = NID_md5, .in = "a", .in_len = 1, .out = { 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61, } }, { .algorithm = NID_md5, .in = "abc", .in_len = 3, .out = { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72, } }, { .algorithm = NID_md5, .in = "message digest", .in_len = 14, .out = { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0, } }, { .algorithm = NID_md5, .in = "abcdefghijklmnopqrstuvwxyz", .in_len = 26, .out = { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b, } }, { .algorithm = NID_md5, .in = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv" "wxyz0123456789", .in_len = 62, .out = { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f, } }, { .algorithm = NID_md5, .in = "123456789012345678901234567890123456789012345678" "90123456789012345678901234567890", .in_len = 80, .out = { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a, } }, }; #define N_MD_TESTS (sizeof(md_tests) / sizeof(md_tests[0])) typedef unsigned char *(*md_hash_func)(const unsigned char *, size_t, unsigned char *); static int md_hash_from_algorithm(int algorithm, const char **out_label, md_hash_func *out_func, const EVP_MD **out_md, size_t *out_len) { switch (algorithm) { case NID_md4: *out_label = SN_md4; *out_func = MD4; *out_md = EVP_md4(); *out_len = MD4_DIGEST_LENGTH; break; case NID_md5: *out_label = SN_md5; *out_func = MD5; *out_md = EVP_md5(); *out_len = MD5_DIGEST_LENGTH; break; default: fprintf(stderr, "FAIL: unknown algorithm (%d)\n", algorithm); return 0; } return 1; } static int md_test(void) { unsigned char *(*md_func)(const unsigned char *, size_t, unsigned char *); const struct md_test *st; EVP_MD_CTX *hash = NULL; const EVP_MD *md; uint8_t out[EVP_MAX_MD_SIZE]; size_t in_len, out_len; size_t i; const char *label; int failed = 1; if ((hash = EVP_MD_CTX_new()) == NULL) { fprintf(stderr, "FAIL: EVP_MD_CTX_new() failed\n"); goto failed; } for (i = 0; i < N_MD_TESTS; i++) { st = &md_tests[i]; if (!md_hash_from_algorithm(st->algorithm, &label, &md_func, &md, &out_len)) goto failed; /* Digest */ memset(out, 0, sizeof(out)); md_func(st->in, st->in_len, out); if (memcmp(st->out, out, out_len) != 0) { fprintf(stderr, "FAIL (%s): mismatch\n", label); goto failed; } /* EVP single-shot digest */ memset(out, 0, sizeof(out)); if (!EVP_Digest(st->in, st->in_len, out, NULL, md, NULL)) { fprintf(stderr, "FAIL (%s): EVP_Digest failed\n", label); goto failed; } if (memcmp(st->out, out, out_len) != 0) { fprintf(stderr, "FAIL (%s): EVP single-shot mismatch\n", label); goto failed; } /* EVP digest */ memset(out, 0, sizeof(out)); if (!EVP_DigestInit_ex(hash, md, NULL)) { fprintf(stderr, "FAIL (%s): EVP_DigestInit_ex failed\n", label); goto failed; } in_len = st->in_len / 2; if (!EVP_DigestUpdate(hash, st->in, in_len)) { fprintf(stderr, "FAIL (%s): EVP_DigestUpdate first half failed\n", label); goto failed; } if (!EVP_DigestUpdate(hash, st->in + in_len, st->in_len - in_len)) { fprintf(stderr, "FAIL (%s): EVP_DigestUpdate second half failed\n", label); goto failed; } if (!EVP_DigestFinal_ex(hash, out, NULL)) { fprintf(stderr, "FAIL (%s): EVP_DigestFinal_ex failed\n", label); goto failed; } if (memcmp(st->out, out, out_len) != 0) { fprintf(stderr, "FAIL (%s): EVP mismatch\n", label); goto failed; } } failed = 0; failed: EVP_MD_CTX_free(hash); return failed; } int main(int argc, char **argv) { int failed = 0; failed |= md_test(); return failed; }