md2.c File Reference

MD2 (Message-Digest Algorithm) More...

#include "core/crypto.h"
#include "hash/md2.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	md2Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using MD2. More...
void	md2Init (Md2Context *context)
	Initialize MD2 message digest context. More...
void	md2Update (Md2Context *context, const void *data, size_t length)
	Update the MD2 context with a portion of the message being hashed. More...
void	md2Final (Md2Context *context, uint8_t *digest)
	Finish the MD2 message digest. More...
void	md2ProcessBlock (const uint8_t *m, uint8_t *x, uint8_t *c)
	Process message in 16-word blocks. More...

Variables
const uint8_t	MD2_OID [8] = {0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x02}
const HashAlgo	md2HashAlgo

Detailed Description

MD2 (Message-Digest Algorithm)

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneCRYPTO Open.

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.

Description

The MD2 algorithm takes as input a message of arbitrary length and produces as output a 128-bit message digest of the input. Refer to RFC 1319

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.4.4

Definition in file md2.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 37 of file md2.c.

Function Documentation

md2Compute()

error_t md2Compute	(	const void *	data,
		size_t	length,
		uint8_t *	digest
	)

Digest a message using MD2.

Parameters

[in]	data	Pointer to the message being hashed
[in]	length	Length of the message
[out]	digest	Pointer to the calculated digest

Returns

Error code

Definition at line 97 of file md2.c.

md2Final()

void md2Final	(	Md2Context *	context,
		uint8_t *	digest
	)

Finish the MD2 message digest.

Parameters

[in]	context	Pointer to the MD2 context
[out]	digest	Calculated digest (optional parameter)

Definition at line 198 of file md2.c.

md2Init()

void md2Init

(

Md2Context *

context

)

Initialize MD2 message digest context.

Parameters

[in]

context

Pointer to the MD2 context to initialize

Definition at line 142 of file md2.c.

md2ProcessBlock()

void md2ProcessBlock	(	const uint8_t *	m,
		uint8_t *	x,
		uint8_t *	c
	)

Process message in 16-word blocks.

Parameters

[in]	m	16-byte data block to process
[in,out]	x	48-byte buffer
[in,out]	c	16-byte checksum

Definition at line 230 of file md2.c.

md2Update()

void md2Update	(	Md2Context *	context,
		const void *	data,
		size_t	length
	)

Update the MD2 context with a portion of the message being hashed.

Parameters

[in]	context	Pointer to the MD2 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 160 of file md2.c.

Variable Documentation

MD2_OID

const uint8_t MD2_OID[8] = {0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x02}

Definition at line 68 of file md2.c.

md2HashAlgo

const HashAlgo md2HashAlgo

Initial value:

=
{
   "MD2",
   MD2_OID,
   sizeof(MD2_OID),
   sizeof(Md2Context),
   MD2_BLOCK_SIZE,
   MD2_DIGEST_SIZE,
   MD2_MIN_PAD_SIZE,
   FALSE,
   (HashAlgoCompute) md2Compute,
   (HashAlgoInit) md2Init,
   (HashAlgoUpdate) md2Update,
   (HashAlgoFinal) md2Final,
   NULL
}

Definition at line 71 of file md2.c.