sha512.c File Reference

SHA-512 (Secure Hash Algorithm 512) More...

#include "core/crypto.h"
#include "hash/sha512.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	MAJ(x, y, z)   (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
#define	SIGMA1(x)   (ROR64(x, 28) ^ ROR64(x, 34) ^ ROR64(x, 39))
#define	SIGMA2(x)   (ROR64(x, 14) ^ ROR64(x, 18) ^ ROR64(x, 41))
#define	SIGMA3(x)   (ROR64(x, 1) ^ ROR64(x, 8) ^ SHR64(x, 7))
#define	SIGMA4(x)   (ROR64(x, 19) ^ ROR64(x, 61) ^ SHR64(x, 6))

Functions
__weak_func error_t	sha512Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using SHA-512. More...
__weak_func void	sha512Init (Sha512Context *context)
	Initialize SHA-512 message digest context. More...
__weak_func void	sha512Update (Sha512Context *context, const void *data, size_t length)
	Update the SHA-512 context with a portion of the message being hashed. More...
__weak_func void	sha512Final (Sha512Context *context, uint8_t *digest)
	Finish the SHA-512 message digest. More...
__weak_func void	sha512ProcessBlock (Sha512Context *context)
	Process message in 16-word blocks. More...

Variables
const uint8_t	SHA512_OID [9] = {0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03}
const HashAlgo	sha512HashAlgo

Detailed Description

SHA-512 (Secure Hash Algorithm 512)

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-512 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

2.4.4

Definition in file sha512.c.

Macro Definition Documentation

CH

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

Definition at line 51 of file sha512.c.

MAJ

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

Definition at line 52 of file sha512.c.

SIGMA1

#define SIGMA1

(

x

)

(ROR64(x, 28) ^ ROR64(x, 34) ^ ROR64(x, 39))

Definition at line 53 of file sha512.c.

SIGMA2

#define SIGMA2

(

x

)

(ROR64(x, 14) ^ ROR64(x, 18) ^ ROR64(x, 41))

Definition at line 54 of file sha512.c.

SIGMA3

#define SIGMA3

(

x

)

(ROR64(x, 1) ^ ROR64(x, 8) ^ SHR64(x, 7))

Definition at line 55 of file sha512.c.

SIGMA4

#define SIGMA4

(

x

)

(ROR64(x, 19) ^ ROR64(x, 61) ^ SHR64(x, 6))

Definition at line 56 of file sha512.c.

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 37 of file sha512.c.

W

#define W

(

n

)

w[(n) & 0x0F]

Definition at line 48 of file sha512.c.

Function Documentation

sha512Compute()

__weak_func error_t sha512Compute	(	const void *	data,
		size_t	length,
		uint8_t *	digest
	)

Digest a message using SHA-512.

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 126 of file sha512.c.

sha512Final()

__weak_func void sha512Final	(	Sha512Context *	context,
		uint8_t *	digest
	)

Finish the SHA-512 message digest.

Parameters

[in]	context	Pointer to the SHA-512 context
[out]	digest	Calculated digest (optional parameter)

Definition at line 236 of file sha512.c.

sha512Init()

__weak_func void sha512Init

(

Sha512Context *

context

)

Initialize SHA-512 message digest context.

Parameters

[in]

context

Pointer to the SHA-512 context to initialize

Definition at line 171 of file sha512.c.

sha512ProcessBlock()

__weak_func void sha512ProcessBlock

(

Sha512Context *

context

)

Process message in 16-word blocks.

Parameters

[in]

context

Pointer to the SHA-512 context

Definition at line 284 of file sha512.c.

sha512Update()

__weak_func void sha512Update	(	Sha512Context *	context,
		const void *	data,
		size_t	length
	)

Update the SHA-512 context with a portion of the message being hashed.

Parameters

[in]	context	Pointer to the SHA-512 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 197 of file sha512.c.

Variable Documentation

SHA512_OID

const uint8_t SHA512_OID[9] = {0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03}

Definition at line 97 of file sha512.c.

sha512HashAlgo

const HashAlgo sha512HashAlgo

Initial value:

=
{
   "SHA-512",
   SHA512_OID,
   sizeof(SHA512_OID),
   sizeof(Sha512Context),
   SHA512_BLOCK_SIZE,
   SHA512_DIGEST_SIZE,
   SHA512_MIN_PAD_SIZE,
   TRUE,
   (HashAlgoCompute) sha512Compute,
   (HashAlgoInit) sha512Init,
   (HashAlgoUpdate) sha512Update,
   (HashAlgoFinal) sha512Final,
   NULL
}

Definition at line 100 of file sha512.c.