sha256.h File Reference

SHA-256 (Secure Hash Algorithm 256) More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures
struct	Sha256Context
	SHA-256 algorithm context. More...

Macros
#define	SHA256_PRIVATE_CONTEXT
#define	SHA256_BLOCK_SIZE   64
#define	SHA256_DIGEST_SIZE   32
#define	SHA256_MIN_PAD_SIZE   9
#define	SHA256_HASH_ALGO   (&sha256HashAlgo)

Functions
error_t	sha256Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using SHA-256. More...
void	sha256Init (Sha256Context *context)
	Initialize SHA-256 message digest context. More...
void	sha256Update (Sha256Context *context, const void *data, size_t length)
	Update the SHA-256 context with a portion of the message being hashed. More...
void	sha256Final (Sha256Context *context, uint8_t *digest)
	Finish the SHA-256 message digest. More...
void	sha256FinalRaw (Sha256Context *context, uint8_t *digest)
	Finish the SHA-256 message digest (no padding added) More...
void	sha256ProcessBlock (Sha256Context *context)
	Process message in 16-word blocks. More...

Variables
const uint8_t	SHA256_OID [9]
const HashAlgo	sha256HashAlgo

Detailed Description

SHA-256 (Secure Hash Algorithm 256)

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.

Author

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

Version

2.4.4

Definition in file sha256.h.

Macro Definition Documentation

SHA256_BLOCK_SIZE

#define SHA256_BLOCK_SIZE   64

Definition at line 43 of file sha256.h.

SHA256_DIGEST_SIZE

#define SHA256_DIGEST_SIZE   32

Definition at line 45 of file sha256.h.

SHA256_HASH_ALGO

#define SHA256_HASH_ALGO   (&sha256HashAlgo)

Definition at line 49 of file sha256.h.

SHA256_MIN_PAD_SIZE

#define SHA256_MIN_PAD_SIZE   9

Definition at line 47 of file sha256.h.

SHA256_PRIVATE_CONTEXT

#define SHA256_PRIVATE_CONTEXT

Definition at line 39 of file sha256.h.

Function Documentation

sha256Compute()

error_t sha256Compute	(	const void *	data,
		size_t	length,
		uint8_t *	digest
	)

Digest a message using SHA-256.

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 143 of file efm32gg11_crypto_hash.c.

sha256Final()

void sha256Final	(	Sha256Context *	context,
		uint8_t *	digest
	)

Finish the SHA-256 message digest.

Parameters

[in]	context	Pointer to the SHA-256 context
[out]	digest	Calculated digest (optional parameter)

Definition at line 437 of file esp32_c3_crypto_hash.c.

sha256FinalRaw()

void sha256FinalRaw	(	Sha256Context *	context,
		uint8_t *	digest
	)

Finish the SHA-256 message digest (no padding added)

Parameters

[in]	context	Pointer to the SHA-256 context
[out]	digest	Calculated digest

Definition at line 479 of file esp32_c3_crypto_hash.c.

sha256Init()

void sha256Init

(

Sha256Context *

context

)

Initialize SHA-256 message digest context.

Parameters

[in]

context

Pointer to the SHA-256 context to initialize

Definition at line 351 of file esp32_c3_crypto_hash.c.

sha256ProcessBlock()

void sha256ProcessBlock

(

Sha256Context *

context

)

Process message in 16-word blocks.

Parameters

[in]

context

Pointer to the SHA-256 context

Definition at line 164 of file efm32gg11_crypto_hash.c.

sha256Update()

void sha256Update	(	Sha256Context *	context,
		const void *	data,
		size_t	length
	)

Update the SHA-256 context with a portion of the message being hashed.

Parameters

[in]	context	Pointer to the SHA-256 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 377 of file esp32_c3_crypto_hash.c.

Variable Documentation

SHA256_OID

const uint8_t SHA256_OID[9]

extern

Definition at line 80 of file sha256.c.

sha256HashAlgo

const HashAlgo sha256HashAlgo

extern

Definition at line 83 of file sha256.c.