sha1.c File Reference

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

#include "core/crypto.h"
#include "hash/sha1.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL
#define	W(n)   w[(n) & 0x0F]
#define	CH(x, y, z)   (((x) & (y)) | (~(x) & (z)))
#define	PARITY(x, y, z)   ((x) ^ (y) ^ (z))
#define	MAJ(x, y, z)   (((x) & (y)) | ((x) & (z)) | ((y) & (z)))

Functions
__weak_func error_t	sha1Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using SHA-1. More...
__weak_func void	sha1Init (Sha1Context *context)
	Initialize SHA-1 message digest context. More...
__weak_func void	sha1Update (Sha1Context *context, const void *data, size_t length)
	Update the SHA-1 context with a portion of the message being hashed. More...
__weak_func void	sha1Final (Sha1Context *context, uint8_t *digest)
	Finish the SHA-1 message digest. More...
__weak_func void	sha1FinalRaw (Sha1Context *context, uint8_t *digest)
	Finish the SHA-1 message digest (no padding added) More...
__weak_func void	sha1ProcessBlock (Sha1Context *context)
	Process message in 16-word blocks. More...

Variables
const uint8_t	SHA1_OID [5] = {0x2B, 0x0E, 0x03, 0x02, 0x1A}
const HashAlgo	sha1HashAlgo

Detailed Description

SHA-1 (Secure Hash Algorithm 1)

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

SHA-1 is a secure hash algorithm for computing a condensed representation of an electronic message. Refer to FIPS 180-4 for more details

Author

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

Version

2.4.0

Definition in file sha1.c.

Macro Definition Documentation

CH

#define CH	(		x,
			y,
			z
	)		(((x) & (y)) | (~(x) & (z)))

Definition at line 50 of file sha1.c.

MAJ

#define MAJ	(		x,
			y,
			z
	)		(((x) & (y)) | ((x) & (z)) | ((y) & (z)))

Definition at line 52 of file sha1.c.

PARITY

#define PARITY	(		x,
			y,
			z
	)		((x) ^ (y) ^ (z))

Definition at line 51 of file sha1.c.

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 37 of file sha1.c.

W

#define W

(

n

)

w[(n) & 0x0F]

Definition at line 47 of file sha1.c.

Function Documentation

sha1Compute()

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

Digest a message using SHA-1.

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 109 of file sha1.c.

sha1Final()

__weak_func void sha1Final	(	Sha1Context *	context,
		uint8_t *	digest
	)

Finish the SHA-1 message digest.

Parameters

[in]	context	Pointer to the SHA-1 context
[out]	digest	Calculated digest (optional parameter)

Definition at line 216 of file sha1.c.

sha1FinalRaw()

__weak_func void sha1FinalRaw	(	Sha1Context *	context,
		uint8_t *	digest
	)

Finish the SHA-1 message digest (no padding added)

Parameters

[in]	context	Pointer to the SHA-1 context
[out]	digest	Calculated digest

Definition at line 265 of file sha1.c.

sha1Init()

__weak_func void sha1Init

(

Sha1Context *

context

)

Initialize SHA-1 message digest context.

Parameters

[in]

context

Pointer to the SHA-1 context to initialize

Definition at line 154 of file sha1.c.

sha1ProcessBlock()

__weak_func void sha1ProcessBlock

(

Sha1Context *

context

)

Process message in 16-word blocks.

Parameters

[in]

context

Pointer to the SHA-1 context

Definition at line 291 of file sha1.c.

sha1Update()

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

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

Parameters

[in]	context	Pointer to the SHA-1 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 177 of file sha1.c.

Variable Documentation

SHA1_OID

const uint8_t SHA1_OID[5] = {0x2B, 0x0E, 0x03, 0x02, 0x1A}

Definition at line 73 of file sha1.c.

sha1HashAlgo

const HashAlgo sha1HashAlgo

Initial value:

=
{
   "SHA-1",
   SHA1_OID,
   sizeof(SHA1_OID),
   sizeof(Sha1Context),
   SHA1_BLOCK_SIZE,
   SHA1_DIGEST_SIZE,
   SHA1_MIN_PAD_SIZE,
   TRUE,
   (HashAlgoCompute) sha1Compute,
   (HashAlgoInit) sha1Init,
   (HashAlgoUpdate) sha1Update,
   (HashAlgoFinal) sha1Final,
 
 
 
 
 
 
   (HashAlgoFinalRaw) sha1FinalRaw
 
}

Definition at line 76 of file sha1.c.