md5.h File Reference

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

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

Include dependency graph for md5.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	md5_context
	MD5 context structure. More...

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

Functions
void	md5_init (md5_context *ctx)
	Initialize MD5 context. More...
void	md5_free (md5_context *ctx)
	Clear MD5 context. More...
void	md5_starts (md5_context *ctx)
	MD5 context setup. More...
void	md5_update (md5_context *ctx, const unsigned char *input, size_t ilen)
	MD5 process buffer. More...
void	md5_finish (md5_context *ctx, unsigned char output[16])
	MD5 final digest. More...
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 ) More...
int	md5_file (const char *path, unsigned char output[16])
	Output = MD5( file contents ) More...
void	md5_hmac_starts (md5_context *ctx, const unsigned char *key, size_t keylen)
	MD5 HMAC context setup. More...
void	md5_hmac_update (md5_context *ctx, const unsigned char *input, size_t ilen)
	MD5 HMAC process buffer. More...
void	md5_hmac_finish (md5_context *ctx, unsigned char output[16])
	MD5 HMAC final digest. More...
void	md5_hmac_reset (md5_context *ctx)
	MD5 HMAC context reset. More...
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 ) More...
int	md5_self_test (int verbose)
	Checkup routine. More...

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 45 of file md5.h.

Function Documentation

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

Output = MD5( input buffer )

Parameters

input	buffer holding the data
ilen	length of the input data
output	MD5 checksum result

int md5_file	(	const char *	path,
		unsigned char	output[16]
	)

Output = MD5( file contents )

Parameters

path	input file name
output	MD5 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

ctx	MD5 context
output	MD5 checksum result

void md5_free

(

md5_context *

ctx

)

Clear MD5 context.

Parameters

ctx	MD5 context to be cleared

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

key	HMAC secret key
keylen	length of the HMAC key
input	buffer holding the data
ilen	length of the input data
output	HMAC-MD5 result

void md5_hmac_finish	(	md5_context *	ctx,
		unsigned char	output[16]
	)

MD5 HMAC final digest.

Parameters

ctx	HMAC context
output	MD5 HMAC checksum result

void md5_hmac_reset

(

md5_context *

ctx

)

MD5 HMAC context reset.

Parameters

ctx	HMAC context to be reset

void md5_hmac_starts	(	md5_context *	ctx,
		const unsigned char *	key,
		size_t	keylen
	)

MD5 HMAC context setup.

Parameters

ctx	HMAC context to be initialized
key	HMAC secret key
keylen	length of the HMAC key

void md5_hmac_update	(	md5_context *	ctx,
		const unsigned char *	input,
		size_t	ilen
	)

MD5 HMAC process buffer.

Parameters

ctx	HMAC context
input	buffer holding the data
ilen	length of the input data

void md5_init

(

md5_context *

ctx

)

Initialize MD5 context.

Parameters

ctx	MD5 context to be initialized

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

void md5_starts

(

md5_context *

ctx

)

MD5 context setup.

Parameters

ctx	context to be initialized

void md5_update	(	md5_context *	ctx,
		const unsigned char *	input,
		size_t	ilen
	)

MD5 process buffer.

Parameters

ctx	MD5 context
input	buffer holding the data
ilen	length of the input data