cryb-to/include/cryb/md4.h
Dag-Erling Smørgrav 593125c353 Import sha256 from libcperciva
Import md2, md4, sha384 and sha512 from XySSL
2014-07-10 14:51:07 +00:00

140 lines
4.2 KiB
C

/*
* Copyright (c) 2006-2007 Christophe Devine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Cryb$
*/
#ifndef CRYB_MD4_H_INCLUDED
#define CRYB_MD4_H_INCLUDED
#define MD4_DIGEST_LEN 16
#define md4_digest cryb_md4_digest
#define md4_ctx cryb_md4_ctx
#define md4_init cryb_md4_init
#define md4_update cryb_md4_update
#define md4_final cryb_md4_final
#define md4_complete cryb_md4_complete
extern struct digest_algorithm md4_digest;
/**
* \brief MD4 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 */
}
md4_ctx;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD4 context setup
*
* \param ctx context to be initialized
*/
void md4_init( md4_ctx *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_update( md4_ctx *ctx, const void *input, int ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
*/
void md4_final( md4_ctx *ctx, unsigned char output[16] );
/**
* \brief Output = MD4( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
*/
void md4_complete( const void *input, int ilen, unsigned char output[16] );
/**
* \brief MD4 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void md4_hmac_init( md4_ctx *ctx, unsigned char *key, int keylen );
/**
* \brief MD4 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_hmac_update( md4_ctx *ctx, unsigned char *input, int ilen );
/**
* \brief MD4 HMAC final digest
*
* \param ctx HMAC context
* \param output MD4 HMAC checksum result
*/
void md4_hmac_final( md4_ctx *ctx, unsigned char output[16] );
/**
* \brief Output = HMAC-MD4( 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-MD4 result
*/
void md4_hmac_complete( unsigned char *key, int keylen,
unsigned char *input, int ilen,
unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#endif