mbedtls/include/mbedtls/md2.h
2015-07-28 17:11:58 +02:00

138 lines
3.4 KiB
C

/**
* \file mbedtls_md2.h
*
* \brief MD2 message digest algorithm (hash function)
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
* 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 MBEDTLS_MD2_H
#define MBEDTLS_MD2_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#if !defined(MBEDTLS_MD2_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD2 context structure
*/
typedef struct
{
unsigned char cksum[16]; /*!< checksum of the data block */
unsigned char state[48]; /*!< intermediate digest state */
unsigned char buffer[16]; /*!< data block being processed */
size_t left; /*!< amount of data in buffer */
}
mbedtls_md2_context;
/**
* \brief Initialize MD2 context
*
* \param ctx MD2 context to be initialized
*/
void mbedtls_md2_init( mbedtls_md2_context *ctx );
/**
* \brief Clear MD2 context
*
* \param ctx MD2 context to be cleared
*/
void mbedtls_md2_free( mbedtls_md2_context *ctx );
/**
* \brief Clone (the state of) an MD2 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void mbedtls_md2_clone( mbedtls_md2_context *dst,
const mbedtls_md2_context *src );
/**
* \brief MD2 context setup
*
* \param ctx context to be initialized
*/
void mbedtls_md2_starts( mbedtls_md2_context *ctx );
/**
* \brief MD2 process buffer
*
* \param ctx MD2 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD2 final digest
*
* \param ctx MD2 context
* \param output MD2 checksum result
*/
void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_MD2_ALT */
#include "md2_alt.h"
#endif /* MBEDTLS_MD2_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD2( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD2 checksum result
*/
void mbedtls_md2( 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 mbedtls_md2_self_test( int verbose );
/* Internal use */
void mbedtls_md2_process( mbedtls_md2_context *ctx );
#ifdef __cplusplus
}
#endif
#endif /* mbedtls_md2.h */