/* * Ouroboros - Copyright (C) 2016 - 2017 * * Test of the MD5 function * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ouroboros/md5.h> #include <stdlib.h> #include <stdint.h> #include <assert.h> #include <string.h> #include <stdio.h> static char * hash_to_str(uint8_t * hash, size_t len) { size_t i; char * HEX = "0123456789abcdef"; char * str; str = malloc(len * 2 + 1); if (str == NULL) return NULL; for (i = 0; i < len; ++i) { str[i * 2] = HEX[(hash[i] & 0xF0) >> 4]; str[i * 2 + 1] = HEX[hash[i] & 0x0F]; } str[2 * i] = '\0'; return str; } static int check_hash(char * check, uint8_t * hash, size_t len) { char * res; int ret; assert(hash); assert(check); assert(strlen(check)); res = hash_to_str(hash, len); if (res == NULL) { printf("Out of memory.\n"); return -1; } ret = strcmp(res, check); printf("hash : %s\n", res); printf("check : %s\n\n", check); free(res); return ret; } int md5_test(int argc, char ** argv) { struct md5_ctx ctx; /* Storage for result. */ uint8_t res[MD5_HASH_LEN]; /* SHA3 test vectors */ char * str1_inp = "abc"; char * str1_md5 = "900150983cd24fb0d6963f7d28e17f72"; char * str2_inp = "The quick brown fox jumps over the lazy dog"; char * str2_md5 = "9e107d9d372bb6826bd81d3542a419d6"; char * str3_inp = "abcdbcdecdefdefgefghfghighijhijk" "ijkljklmklmnlmnomnopnopq"; char * str3_inp2 = " abcdbcdecdefdefgefghfghighijhijk" "ijkljklmklmnlmnomnopnopq"; char * str3_md5 = "8215ef0796a20bcaaae116d3876c664a"; (void) argc; (void) argv; /* 1st input string. */ printf("test: %s.\n\n", str1_inp); rhash_md5_init(&ctx); rhash_md5_update(&ctx, str1_inp, strlen(str1_inp)); rhash_md5_final(&ctx, res); if (check_hash(str1_md5, res, MD5_HASH_LEN)) return -1; /* 2nd input string. */ printf("test: <empty string>.\n\n"); rhash_md5_init(&ctx); rhash_md5_update(&ctx, str2_inp, strlen(str2_inp)); rhash_md5_final(&ctx, res); if (check_hash(str2_md5, res, MD5_HASH_LEN)) return -1; /* 3rd input string */ printf("test: %s.\n\n", str3_inp); rhash_md5_init(&ctx); rhash_md5_update(&ctx, str3_inp, strlen(str3_inp)); rhash_md5_final(&ctx, res); if (check_hash(str3_md5, res, MD5_HASH_LEN)) return -1; /* unaligned 3rd input string. */ printf("test: %s.\n\n", str3_inp2 + 1); rhash_md5_init(&ctx); rhash_md5_update(&ctx, str3_inp2 + 1, strlen(str3_inp2 + 1)); rhash_md5_final(&ctx, res); if (check_hash(str3_md5, res, MD5_HASH_LEN)) return -1; return 0; }