69e095cc15
- As a consequence all error code that were positive were changed. A lot of MALLOC_FAILED and FILE_IO_ERROR error codes added for different modules. - Programs and tests were adapted accordingly
155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
/**
|
|
* \file md5.h
|
|
*
|
|
* \brief MD5 message digest algorithm (hash function)
|
|
*
|
|
* Copyright (C) 2006-2010, Brainspark B.V.
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
#ifndef POLARSSL_MD5_H
|
|
#define POLARSSL_MD5_H
|
|
|
|
#include <string.h>
|
|
|
|
#define POLARSSL_ERR_MD5_FILE_IO_ERROR -0x0074 /**< Read/write error in file. */
|
|
|
|
/**
|
|
* \brief MD5 context structure
|
|
*/
|
|
typedef struct
|
|
{
|
|
unsigned long total[2]; /*!< number of bytes processed */
|
|
unsigned long state[4]; /*!< intermediate digest state */
|
|
unsigned char buffer[64]; /*!< data block being processed */
|
|
|
|
unsigned char ipad[64]; /*!< HMAC: inner padding */
|
|
unsigned char opad[64]; /*!< HMAC: outer padding */
|
|
}
|
|
md5_context;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* \brief MD5 context setup
|
|
*
|
|
* \param ctx context to be initialized
|
|
*/
|
|
void md5_starts( md5_context *ctx );
|
|
|
|
/**
|
|
* \brief MD5 process buffer
|
|
*
|
|
* \param ctx MD5 context
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
*/
|
|
void md5_update( md5_context *ctx, const unsigned char *input, size_t ilen );
|
|
|
|
/**
|
|
* \brief MD5 final digest
|
|
*
|
|
* \param ctx MD5 context
|
|
* \param output MD5 checksum result
|
|
*/
|
|
void md5_finish( md5_context *ctx, unsigned char output[16] );
|
|
|
|
/**
|
|
* \brief Output = MD5( input buffer )
|
|
*
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
* \param output MD5 checksum result
|
|
*/
|
|
void md5( const unsigned char *input, size_t ilen, unsigned char output[16] );
|
|
|
|
/**
|
|
* \brief Output = MD5( file contents )
|
|
*
|
|
* \param path input file name
|
|
* \param output MD5 checksum result
|
|
*
|
|
* \return 0 if successful, or POLARSSL_ERR_MD5_FILE_IO_ERROR
|
|
*/
|
|
int md5_file( const char *path, unsigned char output[16] );
|
|
|
|
/**
|
|
* \brief MD5 HMAC context setup
|
|
*
|
|
* \param ctx HMAC context to be initialized
|
|
* \param key HMAC secret key
|
|
* \param keylen length of the HMAC key
|
|
*/
|
|
void md5_hmac_starts( md5_context *ctx,
|
|
const unsigned char *key, size_t keylen );
|
|
|
|
/**
|
|
* \brief MD5 HMAC process buffer
|
|
*
|
|
* \param ctx HMAC context
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
*/
|
|
void md5_hmac_update( md5_context *ctx,
|
|
const unsigned char *input, size_t ilen );
|
|
|
|
/**
|
|
* \brief MD5 HMAC final digest
|
|
*
|
|
* \param ctx HMAC context
|
|
* \param output MD5 HMAC checksum result
|
|
*/
|
|
void md5_hmac_finish( md5_context *ctx, unsigned char output[16] );
|
|
|
|
/**
|
|
* \brief MD5 HMAC context reset
|
|
*
|
|
* \param ctx HMAC context to be reset
|
|
*/
|
|
void md5_hmac_reset( md5_context *ctx );
|
|
|
|
/**
|
|
* \brief Output = HMAC-MD5( hmac key, input buffer )
|
|
*
|
|
* \param key HMAC secret key
|
|
* \param keylen length of the HMAC key
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
* \param output HMAC-MD5 result
|
|
*/
|
|
void md5_hmac( const unsigned char *key, size_t keylen,
|
|
const unsigned char *input, size_t ilen,
|
|
unsigned char output[16] );
|
|
|
|
/**
|
|
* \brief Checkup routine
|
|
*
|
|
* \return 0 if successful, or 1 if the test failed
|
|
*/
|
|
int md5_self_test( int verbose );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* md5.h */
|