md4.h File Reference

MD4 message digest algorithm (hash function). More...

#include "config.h"
#include <string.h>
#include <inttypes.h>
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Data Structures

struct  md4_context
 MD4 context structure. More...

Defines

#define POLARSSL_ERR_MD4_FILE_IO_ERROR   -0x0072
 Read/write error in file.

Functions

void md4_starts (md4_context *ctx)
 MD4 context setup.
void md4_update (md4_context *ctx, const unsigned char *input, size_t ilen)
 MD4 process buffer.
void md4_finish (md4_context *ctx, unsigned char output[16])
 MD4 final digest.
void md4 (const unsigned char *input, size_t ilen, unsigned char output[16])
 Output = MD4( input buffer ).
int md4_file (const char *path, unsigned char output[16])
 Output = MD4( file contents ).
void md4_hmac_starts (md4_context *ctx, const unsigned char *key, size_t keylen)
 MD4 HMAC context setup.
void md4_hmac_update (md4_context *ctx, const unsigned char *input, size_t ilen)
 MD4 HMAC process buffer.
void md4_hmac_finish (md4_context *ctx, unsigned char output[16])
 MD4 HMAC final digest.
void md4_hmac_reset (md4_context *ctx)
 MD4 HMAC context reset.
void md4_hmac (const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char output[16])
 Output = HMAC-MD4( hmac key, input buffer ).
int md4_self_test (int verbose)
 Checkup routine.
void md4_process (md4_context *ctx, const unsigned char data[64])

Detailed Description

MD4 message digest algorithm (hash function).

Copyright (C) 2006-2013, 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.

Definition in file md4.h.


Define Documentation

#define POLARSSL_ERR_MD4_FILE_IO_ERROR   -0x0072

Read/write error in file.

Definition at line 41 of file md4.h.

Referenced by polarssl_strerror().


Function Documentation

void md4 ( const unsigned char *  input,
size_t  ilen,
unsigned char  output[16] 
)

Output = MD4( input buffer ).

Parameters:
input buffer holding the data
ilen length of the input data
output MD4 checksum result
int md4_file ( const char *  path,
unsigned char  output[16] 
)

Output = MD4( file contents ).

Parameters:
path input file name
output MD4 checksum result
Returns:
0 if successful, or POLARSSL_ERR_MD4_FILE_IO_ERROR
void md4_finish ( md4_context ctx,
unsigned char  output[16] 
)

MD4 final digest.

Parameters:
ctx MD4 context
output MD4 checksum result
void md4_hmac ( const unsigned char *  key,
size_t  keylen,
const unsigned char *  input,
size_t  ilen,
unsigned char  output[16] 
)

Output = HMAC-MD4( hmac key, input buffer ).

Parameters:
key HMAC secret key
keylen length of the HMAC key
input buffer holding the data
ilen length of the input data
output HMAC-MD4 result
void md4_hmac_finish ( md4_context ctx,
unsigned char  output[16] 
)

MD4 HMAC final digest.

Parameters:
ctx HMAC context
output MD4 HMAC checksum result
void md4_hmac_reset ( md4_context ctx  ) 

MD4 HMAC context reset.

Parameters:
ctx HMAC context to be reset
void md4_hmac_starts ( md4_context ctx,
const unsigned char *  key,
size_t  keylen 
)

MD4 HMAC context setup.

Parameters:
ctx HMAC context to be initialized
key HMAC secret key
keylen length of the HMAC key
void md4_hmac_update ( md4_context ctx,
const unsigned char *  input,
size_t  ilen 
)

MD4 HMAC process buffer.

Parameters:
ctx HMAC context
input buffer holding the data
ilen length of the input data
void md4_process ( md4_context ctx,
const unsigned char  data[64] 
)
int md4_self_test ( int  verbose  ) 

Checkup routine.

Returns:
0 if successful, or 1 if the test failed
void md4_starts ( md4_context ctx  ) 

MD4 context setup.

Parameters:
ctx context to be initialized
void md4_update ( md4_context ctx,
const unsigned char *  input,
size_t  ilen 
)

MD4 process buffer.

Parameters:
ctx MD4 context
input buffer holding the data
ilen length of the input data

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