sha1.h File Reference

SHA-1 (Secure Hash Algorithm 1) More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures

struct  Sha1Context
 SHA-1 algorithm context. More...


#define SHA1_BLOCK_SIZE   64
#define SHA1_DIGEST_SIZE   20
#define SHA1_OID   sha1Oid
#define SHA1_HASH_ALGO   (&sha1HashAlgo)


error_t sha1Compute (const void *data, size_t length, uint8_t *digest)
 Digest a message using SHA-1. More...
void sha1Init (Sha1Context *context)
 Initialize SHA-1 message digest context. More...
void sha1Update (Sha1Context *context, const void *data, size_t length)
 Update the SHA-1 context with a portion of the message being hashed. More...
void sha1Final (Sha1Context *context, uint8_t *digest)
 Finish the SHA-1 message digest. More...
void sha1ProcessBlock (Sha1Context *context)
 Process message in 16-word blocks. More...


const uint8_t sha1Oid [5]
const HashAlgo sha1HashAlgo

Detailed Description

SHA-1 (Secure Hash Algorithm 1)


Copyright (C) 2010-2018 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 sha1.h.

Macro Definition Documentation


#define SHA1_BLOCK_SIZE   64

Definition at line 36 of file sha1.h.


#define SHA1_DIGEST_SIZE   20

Definition at line 38 of file sha1.h.


#define SHA1_HASH_ALGO   (&sha1HashAlgo)

Definition at line 42 of file sha1.h.


#define SHA1_OID   sha1Oid

Definition at line 40 of file sha1.h.

Function Documentation

◆ sha1Compute()

error_t sha1Compute ( const void *  data,
size_t  length,
uint8_t *  digest 

Digest a message using SHA-1.

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

Definition at line 97 of file sha1.c.

◆ sha1Final()

void sha1Final ( Sha1Context context,
uint8_t *  digest 

Finish the SHA-1 message digest.

[in]contextPointer to the SHA-1 context
[out]digestCalculated digest (optional parameter)

Definition at line 186 of file sha1.c.

◆ sha1Init()

void sha1Init ( Sha1Context context)

Initialize SHA-1 message digest context.

[in]contextPointer to the SHA-1 context to initialize

Definition at line 124 of file sha1.c.

◆ sha1ProcessBlock()

void sha1ProcessBlock ( Sha1Context context)

Process message in 16-word blocks.

[in]contextPointer to the SHA-1 context

Definition at line 226 of file sha1.c.

◆ sha1Update()

void sha1Update ( Sha1Context context,
const void *  data,
size_t  length 

Update the SHA-1 context with a portion of the message being hashed.

[in]contextPointer to the SHA-1 context
[in]dataPointer to the buffer being hashed
[in]lengthLength of the buffer

Definition at line 147 of file sha1.c.

Variable Documentation

◆ sha1HashAlgo

const HashAlgo sha1HashAlgo

Definition at line 74 of file sha1.c.

◆ sha1Oid

const uint8_t sha1Oid[5]

Definition at line 71 of file sha1.c.