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md5.h File Reference

MD5 message digest algorithm (hash function) More...

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

struct  md5_context
 MD5 context structure. More...

Macros

#define POLARSSL_ERR_MD5_FILE_IO_ERROR   -0x0074
 Read/write error in file.

Functions

void md5_starts (md5_context *ctx)
 MD5 context setup.
void md5_update (md5_context *ctx, const unsigned char *input, size_t ilen)
 MD5 process buffer.
void md5_finish (md5_context *ctx, unsigned char output[16])
 MD5 final digest.
void md5_process (md5_context *ctx, const unsigned char data[64])
void md5 (const unsigned char *input, size_t ilen, unsigned char output[16])
 Output = MD5( input buffer )
int md5_file (const char *path, unsigned char output[16])
 Output = MD5( file contents )
void md5_hmac_starts (md5_context *ctx, const unsigned char *key, size_t keylen)
 MD5 HMAC context setup.
void md5_hmac_update (md5_context *ctx, const unsigned char *input, size_t ilen)
 MD5 HMAC process buffer.
void md5_hmac_finish (md5_context *ctx, unsigned char output[16])
 MD5 HMAC final digest.
void md5_hmac_reset (md5_context *ctx)
 MD5 HMAC context reset.
void md5_hmac (const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char output[16])
 Output = HMAC-MD5( hmac key, input buffer )
int md5_self_test (int verbose)
 Checkup routine.

Detailed Description

MD5 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 md5.h.

Macro Definition Documentation

#define POLARSSL_ERR_MD5_FILE_IO_ERROR   -0x0074

Read/write error in file.

Definition at line 41 of file md5.h.

Function Documentation

void md5 ( const unsigned char *  input,
size_t  ilen,
unsigned char  output[16] 
)

Output = MD5( input buffer )

Parameters
inputbuffer holding the data
ilenlength of the input data
outputMD5 checksum result
int md5_file ( const char *  path,
unsigned char  output[16] 
)

Output = MD5( file contents )

Parameters
pathinput file name
outputMD5 checksum result
Returns
0 if successful, or POLARSSL_ERR_MD5_FILE_IO_ERROR
void md5_finish ( md5_context ctx,
unsigned char  output[16] 
)

MD5 final digest.

Parameters
ctxMD5 context
outputMD5 checksum result
void md5_hmac ( const unsigned char *  key,
size_t  keylen,
const unsigned char *  input,
size_t  ilen,
unsigned char  output[16] 
)

Output = HMAC-MD5( hmac key, input buffer )

Parameters
keyHMAC secret key
keylenlength of the HMAC key
inputbuffer holding the data
ilenlength of the input data
outputHMAC-MD5 result
void md5_hmac_finish ( md5_context ctx,
unsigned char  output[16] 
)

MD5 HMAC final digest.

Parameters
ctxHMAC context
outputMD5 HMAC checksum result
void md5_hmac_reset ( md5_context ctx)

MD5 HMAC context reset.

Parameters
ctxHMAC context to be reset
void md5_hmac_starts ( md5_context ctx,
const unsigned char *  key,
size_t  keylen 
)

MD5 HMAC context setup.

Parameters
ctxHMAC context to be initialized
keyHMAC secret key
keylenlength of the HMAC key
void md5_hmac_update ( md5_context ctx,
const unsigned char *  input,
size_t  ilen 
)

MD5 HMAC process buffer.

Parameters
ctxHMAC context
inputbuffer holding the data
ilenlength of the input data
void md5_process ( md5_context ctx,
const unsigned char  data[64] 
)
int md5_self_test ( int  verbose)

Checkup routine.

Returns
0 if successful, or 1 if the test failed

Referenced by main().

void md5_starts ( md5_context ctx)

MD5 context setup.

Parameters
ctxcontext to be initialized
void md5_update ( md5_context ctx,
const unsigned char *  input,
size_t  ilen 
)

MD5 process buffer.

Parameters
ctxMD5 context
inputbuffer holding the data
ilenlength of the input data