int checkhash(unsigned char *data, size_t datalen, char *checkhash) { char keyword[100]; memcpy(together + pos, data, datalen); pos += datalen; mhash_keygen((keygenid)0, (hashid)10, 10, keyword, 100, (void *)"aaaa", 3, key, keylen); MHASH hash = mhash_hmac_init((hashid)10, keyword, 100, mhash_get_hash_pblock((hashid)10)); mhash(hash, data, datalen); void *mac = mhash_hmac_end(hash); char hash_printed[1000] = "0x"; for (int j = 0; j < mhash_get_block_size((hashid)10); j++) { unsigned char *m = (unsigned char *)mac; char r[3]; snprintf(r, 3, "%.2x", m[j]); strcat(hash_printed, r); } printf("%s\n", hash_printed); return strcmp(hash_printed, checkhash) == 0; }
int main() { mutils_word8 *tmp; mutils_word8 *password; mutils_word32 passlen; mutils_word8 *data; mutils_word32 datalen; MHASH td; mutils_word8 *mac; mutils_word32 j; int result; passlen=sizeof(KEY1) - 1; password = mutils_malloc(passlen + 1); mutils_memcpy(password, (mutils_word8 *) KEY1, passlen); datalen = mutils_strlen((mutils_word8 *) DATA1); data = mutils_malloc(datalen+1); mutils_strcpy(data, (mutils_word8 *) DATA1); td = mhash_hmac_init(MHASH_MD5, password, passlen, mhash_get_hash_pblock(MHASH_MD5)); mhash(td, data, datalen); mac = mhash_hmac_end(td); tmp = mutils_asciify(mac, mhash_get_block_size(MHASH_MD5)); result = mutils_strcmp((mutils_word8 *) DIGEST1, tmp); mutils_free(password); mutils_free(data); if (result != 0) { fprintf(stderr, "HMAC-Test: Failed\n"); fprintf(stderr, "Digest size: %d\n", mhash_get_block_size(MHASH_MD5)); fprintf(stderr, "Expecting: 0x%s\n", DIGEST1); fprintf(stderr, "Got: 0x%s\n", tmp); return(MUTILS_INVALID_RESULT); } mutils_free(tmp); /* Test No 2 */ mutils_memset(tmp, 0, sizeof(tmp)); passlen=sizeof(KEY2) - 1; password = (mutils_word8 *) mutils_malloc(passlen+1); mutils_memcpy(password, KEY2, passlen); datalen = mutils_strlen((mutils_word8 *) DATA2); data = (mutils_word8 *) mutils_malloc(datalen+1); mutils_strcpy(data, (mutils_word8 *) DATA2); td = mhash_hmac_init(MHASH_MD5, password, passlen, mhash_get_hash_pblock(MHASH_MD5)); mhash(td, data, datalen); mac = mhash_hmac_end(td); tmp = mutils_asciify(mac, mhash_get_block_size(MHASH_MD5)); result = mutils_strcmp((mutils_word8 *) DIGEST2, tmp); mutils_free(password); mutils_free(data); if (result != 0) { fprintf(stderr, "HMAC-Test: Failed\n"); fprintf(stderr, "Expecting: 0x%s\nGot: 0x%s\n", DIGEST2, tmp); return(MUTILS_INVALID_RESULT); } fprintf(stderr, "MD5 HMAC-Test: Ok\n"); mutils_free(tmp); return(MUTILS_OK); }