md4.h File Reference

MD4 (Message-Digest Algorithm) More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures

struct  Md4Context
 MD4 algorithm context. More...


#define MD4_BLOCK_SIZE   64
#define MD4_DIGEST_SIZE   16
#define MD4_MIN_PAD_SIZE   9
#define MD4_OID   md4Oid
#define MD4_HASH_ALGO   (&md4HashAlgo)


error_t md4Compute (const void *data, size_t length, uint8_t *digest)
 Digest a message using MD4. More...
void md4Init (Md4Context *context)
 Initialize MD4 message digest context. More...
void md4Update (Md4Context *context, const void *data, size_t length)
 Update the MD4 context with a portion of the message being hashed. More...
void md4Final (Md4Context *context, uint8_t *digest)
 Finish the MD4 message digest. More...
void md4ProcessBlock (Md4Context *context)
 Process message in 16-word blocks. More...


const uint8_t md4Oid [8]
const HashAlgo md4HashAlgo

Detailed Description

MD4 (Message-Digest Algorithm)


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

Copyright (C) 2010-2020 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.

Oryx Embedded SARL (

Definition in file md4.h.

Macro Definition Documentation


#define MD4_BLOCK_SIZE   64

Definition at line 38 of file md4.h.


#define MD4_DIGEST_SIZE   16

Definition at line 40 of file md4.h.


#define MD4_HASH_ALGO   (&md4HashAlgo)

Definition at line 46 of file md4.h.


#define MD4_MIN_PAD_SIZE   9

Definition at line 42 of file md4.h.


#define MD4_OID   md4Oid

Definition at line 44 of file md4.h.

Function Documentation

◆ md4Compute()

error_t md4Compute ( const void *  data,
size_t  length,
uint8_t *  digest 

Digest a message using MD4.

[in]dataPointer to the message being hashed
[in]lengthLength of the message
[out]digestPointer to the calculated digest
Error code

Definition at line 94 of file md4.c.

◆ md4Final()

void md4Final ( Md4Context context,
uint8_t *  digest 

Finish the MD4 message digest.

[in]contextPointer to the MD4 context
[out]digestCalculated digest (optional parameter)

Definition at line 182 of file md4.c.

◆ md4Init()

void md4Init ( Md4Context context)

Initialize MD4 message digest context.

[in]contextPointer to the MD4 context to initialize

Definition at line 121 of file md4.c.

◆ md4ProcessBlock()

void md4ProcessBlock ( Md4Context context)

Process message in 16-word blocks.

[in]contextPointer to the MD4 context

Definition at line 228 of file md4.c.

◆ md4Update()

void md4Update ( Md4Context context,
const void *  data,
size_t  length 

Update the MD4 context with a portion of the message being hashed.

[in]contextPointer to the MD4 context
[in]dataPointer to the buffer being hashed
[in]lengthLength of the buffer

Definition at line 143 of file md4.c.

Variable Documentation

◆ md4HashAlgo

const HashAlgo md4HashAlgo

Definition at line 68 of file md4.c.

◆ md4Oid

const uint8_t md4Oid[8]

Definition at line 65 of file md4.c.