blake2b256.h File Reference

BLAKE2b-256 hash function. More...

#include "core/crypto.h"
#include "hash/blake2b.h"

Go to the source code of this file.


#define BLAKE2B256_BLOCK_SIZE   128
#define BLAKE2B256_DIGEST_SIZE   32
#define BLAKE2B256_MIN_PAD_SIZE   0
#define BLAKE2B256_OID   blake2b256Oid
#define BLAKE2B256_HASH_ALGO   (&blake2b256HashAlgo)


typedef Blake2bContext Blake2b256Context
 BLAKE2b-256 algorithm context. More...


error_t blake2b256Compute (const void *data, size_t length, uint8_t *digest)
 Digest a message using BLAKE2b-256. More...
void blake2b256Init (Blake2b256Context *context)
 Initialize BLAKE2b-256 hash computation. More...
void blake2b256Update (Blake2b256Context *context, const void *data, size_t length)
 Update BLAKE2b-256 hash computation. More...
void blake2b256Final (Blake2b256Context *context, uint8_t *digest)
 Finish BLAKE2b-256 hash computation. More...


const uint8_t blake2b256Oid [11]
const HashAlgo blake2b256HashAlgo

Detailed Description

BLAKE2b-256 hash function.


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 blake2b256.h.

Macro Definition Documentation


#define BLAKE2B256_BLOCK_SIZE   128

Definition at line 39 of file blake2b256.h.


#define BLAKE2B256_DIGEST_SIZE   32

Definition at line 41 of file blake2b256.h.


#define BLAKE2B256_HASH_ALGO   (&blake2b256HashAlgo)

Definition at line 47 of file blake2b256.h.


#define BLAKE2B256_MIN_PAD_SIZE   0

Definition at line 43 of file blake2b256.h.


#define BLAKE2B256_OID   blake2b256Oid

Definition at line 45 of file blake2b256.h.

Typedef Documentation

◆ Blake2b256Context

BLAKE2b-256 algorithm context.

Definition at line 59 of file blake2b256.h.

Function Documentation

◆ blake2b256Compute()

error_t blake2b256Compute ( const void *  data,
size_t  length,
uint8_t *  digest 

Digest a message using BLAKE2b-256.

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

Definition at line 71 of file blake2b256.c.

◆ blake2b256Final()

void blake2b256Final ( Blake2b256Context context,
uint8_t *  digest 

Finish BLAKE2b-256 hash computation.

[in]contextPointer to the BLAKE2b context
[out]digestCalculated digest (optional parameter)

Definition at line 110 of file blake2b256.c.

◆ blake2b256Init()

void blake2b256Init ( Blake2b256Context context)

Initialize BLAKE2b-256 hash computation.

[in]contextPointer to the BLAKE2b context to initialize

Definition at line 83 of file blake2b256.c.

◆ blake2b256Update()

void blake2b256Update ( Blake2b256Context context,
const void *  data,
size_t  length 

Update BLAKE2b-256 hash computation.

[in]contextPointer to the BLAKE2b context
[in]dataPointer to the buffer being hashed
[in]lengthLength of the buffer

Definition at line 97 of file blake2b256.c.

Variable Documentation

◆ blake2b256HashAlgo

const HashAlgo blake2b256HashAlgo

Definition at line 45 of file blake2b256.c.

◆ blake2b256Oid

const uint8_t blake2b256Oid[11]

Definition at line 42 of file blake2b256.c.