/* * MD5 Message Digest Algorithm (RFC1321). * * Derived from cryptoapi implementation, originally based on the * public domain implementation written by Colin Plumb in 1993. * * Copyright (c) Cryptoapi developers. * Copyright (c) 2002 James Morris * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * */ #define MD5_DIGEST_SIZE 16 #define MD5_HMAC_BLOCK_SIZE 64 #define MD5_BLOCK_WORDS 16 #define MD5_HASH_WORDS 4 struct md5_ctx { uint32_t hash[MD5_HASH_WORDS]; uint32_t block[MD5_BLOCK_WORDS]; uint64_t byte_count; }; extern void md5_init(struct md5_ctx *mctx); extern void md5_update(struct md5_ctx *mctx, const uint8_t *data, unsigned int len); extern void md5_final(struct md5_ctx *mctx, uint8_t *out);