1d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. 2d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 3d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This package is an SSL implementation written 4d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * by Eric Young (eay@cryptsoft.com). 5d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The implementation was written so as to conform with Netscapes SSL. 6d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 7d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This library is free for commercial and non-commercial use as long as 8d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the following conditions are aheared to. The following conditions 9d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * apply to all code found in this distribution, be it the RC4, RSA, 10d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * lhash, DES, etc., code; not just the SSL code. The SSL documentation 11d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * included with this distribution is covered by the same copyright terms 12d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * except that the holder is Tim Hudson (tjh@cryptsoft.com). 13d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 14d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Copyright remains Eric Young's, and as such any Copyright notices in 15d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the code are not to be removed. 16d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * If this package is used in a product, Eric Young should be given attribution 17d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * as the author of the parts of the library used. 18d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This can be in the form of a textual message at program startup or 19d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * in documentation (online or textual) provided with the package. 20d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 21d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Redistribution and use in source and binary forms, with or without 22d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * modification, are permitted provided that the following conditions 23d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * are met: 24d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 1. Redistributions of source code must retain the copyright 25d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * notice, this list of conditions and the following disclaimer. 26d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 2. Redistributions in binary form must reproduce the above copyright 27d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * notice, this list of conditions and the following disclaimer in the 28d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * documentation and/or other materials provided with the distribution. 29d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 3. All advertising materials mentioning features or use of this software 30d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * must display the following acknowledgement: 31d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes cryptographic software written by 32d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Eric Young (eay@cryptsoft.com)" 33d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The word 'cryptographic' can be left out if the rouines from the library 34d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * being used are not cryptographic related :-). 35d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 4. If you include any Windows specific code (or a derivative thereof) from 36d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the apps directory (application code) you must include an acknowledgement: 37d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 38d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 39d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 40d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 42d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 43d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 44d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 45d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 47d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 48d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 49d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * SUCH DAMAGE. 50d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 51d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The licence and distribution terms for any publically available version or 52d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * derivative of this code cannot be changed. i.e. this code cannot simply be 53d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * copied and put under another distribution licence 54d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * [including the GNU Public Licence.] */ 55d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 56d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#ifndef OPENSSL_HEADER_MD5_H 57d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#define OPENSSL_HEADER_MD5_H 58d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 59d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/base.h> 60d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 61d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#if defined(__cplusplus) 62d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyextern "C" { 63d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#endif 64d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 65d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 66d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5. */ 67d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 68d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 69d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5_CBLOCK is the block size of MD5. */ 70d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#define MD5_CBLOCK 64 71d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 72d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5_DIGEST_LENGTH is the length of an MD5 digest. */ 73d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#define MD5_DIGEST_LENGTH 16 74d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 75d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD51_Init initialises |md5| and returns one. */ 76d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyOPENSSL_EXPORT int MD5_Init(MD5_CTX *md5); 77d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 78d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5_Update adds |len| bytes from |data| to |md5| and returns one. */ 79d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyOPENSSL_EXPORT int MD5_Update(MD5_CTX *md5, const void *data, size_t len); 80d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 81d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5_Final adds the final padding to |md5| and writes the resulting digest to 82d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * |md|, which must have at least |MD5_DIGEST_LENGTH| bytes of space. It 83d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * returns one. */ 84d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyOPENSSL_EXPORT int MD5_Final(uint8_t *md, MD5_CTX *md5); 85d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 86d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5 writes the digest of |len| bytes from |data| to |out| and returns |out|. 87d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * There must be at least |MD5_DIGEST_LENGTH| bytes of space in |out|. */ 88d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyOPENSSL_EXPORT uint8_t *MD5(const uint8_t *data, size_t len, uint8_t *out); 89d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 90d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* MD5_Transform is a low-level function that performs a single, MD5 block 91d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * transformation using the state from |md5| and 64 bytes from |block|. */ 92d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyOPENSSL_EXPORT void MD5_Transform(MD5_CTX *md5, const uint8_t *block); 93d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 94d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystruct md5_state_st { 95d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint32_t A, B, C, D; 96d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint32_t Nl, Nh; 97d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint32_t data[16]; 98d9e397b599b13d642138480a28c14db7a136bf0Adam Langley unsigned int num; 99d9e397b599b13d642138480a28c14db7a136bf0Adam Langley}; 100d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 101d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 102d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#if defined(__cplusplus) 103d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} /* extern C */ 104d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#endif 105d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 106d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#endif /* OPENSSL_HEADER_MD5_H */ 107