c-libp2p/include/mbedtls/md4.h
2016-11-03 11:15:18 -05:00

136 lines
3.2 KiB
C

/**
* \file md4.h
*
* \brief MD4 message digest algorithm (hash function)
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_MD4_H
#define MBEDTLS_MD4_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#if !defined(MBEDTLS_MD4_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD4 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
}
mbedtls_md4_context;
/**
* \brief Initialize MD4 context
*
* \param ctx MD4 context to be initialized
*/
void mbedtls_md4_init( mbedtls_md4_context *ctx );
/**
* \brief Clear MD4 context
*
* \param ctx MD4 context to be cleared
*/
void mbedtls_md4_free( mbedtls_md4_context *ctx );
/**
* \brief Clone (the state of) an MD4 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void mbedtls_md4_clone( mbedtls_md4_context *dst,
const mbedtls_md4_context *src );
/**
* \brief MD4 context setup
*
* \param ctx context to be initialized
*/
void mbedtls_md4_starts( mbedtls_md4_context *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
*/
void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_MD4_ALT */
#include "md4_alt.h"
#endif /* MBEDTLS_MD4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD4( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
*/
void mbedtls_md4( 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_md4_self_test( int verbose );
/* Internal use */
void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#endif /* mbedtls_md4.h */