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-rw-r--r--src/lib/tests/md5_test.c152
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diff --git a/src/lib/tests/md5_test.c b/src/lib/tests/md5_test.c
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+/*
+ * 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;
+}