sm3.c File Reference

SM3 hash function. More...

#include "core/crypto.h"
#include "hash/sm3.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL
#define	W(n)   w[(n) & 0x0F]
#define	FF1(x, y, z)   ((x) ^ (y) ^ (z))
#define	FF2(x, y, z)   (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
#define	GG1(x, y, z)   ((x) ^ (y) ^ (z))
#define	GG2(x, y, z)   (((x) & (y)) | ((~x) & (z)))
#define	P0(x)   ((x) ^ ROL32(x, 9) ^ ROL32(x, 17))
#define	P1(x)   ((x) ^ ROL32(x, 15) ^ ROL32(x, 23))
#define	TJ1   0x79CC4519
#define	TJ2   0x7A879D8A

Functions
error_t	sm3Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using SM3. More...
void	sm3Init (Sm3Context *context)
	Initialize SM3 message digest context. More...
void	sm3Update (Sm3Context *context, const void *data, size_t length)
	Update the SM3 context with a portion of the message being hashed. More...
void	sm3Final (Sm3Context *context, uint8_t *digest)
	Finish the SM3 message digest. More...
void	sm3FinalRaw (Sm3Context *context, uint8_t *digest)
	Finish the SM3 message digest (no padding added) More...
void	sm3ProcessBlock (Sm3Context *context)
	Process message in 16-word blocks. More...

Variables
const uint8_t	SM3_OID [6] = {0x28, 0xCF, 0x06, 0x03, 0x00, 0x41}
const HashAlgo	sm3HashAlgo

Detailed Description

SM3 hash function.

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

2.4.0

Definition in file sm3.c.

Macro Definition Documentation

FF1

#define FF1	(		x,
			y,
			z
	)		((x) ^ (y) ^ (z))

Definition at line 45 of file sm3.c.

FF2

#define FF2	(		x,
			y,
			z
	)		(((x) & (y)) | ((x) & (z)) | ((y) & (z)))

Definition at line 46 of file sm3.c.

GG1

#define GG1	(		x,
			y,
			z
	)		((x) ^ (y) ^ (z))

Definition at line 47 of file sm3.c.

GG2

#define GG2	(		x,
			y,
			z
	)		(((x) & (y)) | ((~x) & (z)))

Definition at line 48 of file sm3.c.

P0

#define P0

(

x

)

((x) ^ ROL32(x, 9) ^ ROL32(x, 17))

Definition at line 49 of file sm3.c.

P1

#define P1

(

x

)

((x) ^ ROL32(x, 15) ^ ROL32(x, 23))

Definition at line 50 of file sm3.c.

TJ1

#define TJ1   0x79CC4519

Definition at line 53 of file sm3.c.

TJ2

#define TJ2   0x7A879D8A

Definition at line 54 of file sm3.c.

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file sm3.c.

W

#define W

(

n

)

w[(n) & 0x0F]

Definition at line 42 of file sm3.c.

Function Documentation

sm3Compute()

error_t sm3Compute	(	const void *	data,
		size_t	length,
		uint8_t *	digest
	)

Digest a message using SM3.

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 95 of file sm3.c.

sm3Final()

void sm3Final	(	Sm3Context *	context,
		uint8_t *	digest
	)

Finish the SM3 message digest.

Parameters

[in]	context	Pointer to the SM3 context
[out]	digest	Calculated digest (optional parameter)

Definition at line 205 of file sm3.c.

sm3FinalRaw()

void sm3FinalRaw	(	Sm3Context *	context,
		uint8_t *	digest
	)

Finish the SM3 message digest (no padding added)

Parameters

[in]	context	Pointer to the SM3 context
[out]	digest	Calculated digest

Definition at line 254 of file sm3.c.

sm3Init()

void sm3Init

(

Sm3Context *

context

)

Initialize SM3 message digest context.

Parameters

[in]

context

Pointer to the SM3 context to initialize

Definition at line 140 of file sm3.c.

sm3ProcessBlock()

void sm3ProcessBlock

(

Sm3Context *

context

)

Process message in 16-word blocks.

Parameters

[in]

context

Pointer to the SM3 context

Definition at line 280 of file sm3.c.

sm3Update()

void sm3Update	(	Sm3Context *	context,
		const void *	data,
		size_t	length
	)

Update the SM3 context with a portion of the message being hashed.

Parameters

[in]	context	Pointer to the SM3 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 166 of file sm3.c.

Variable Documentation

SM3_OID

const uint8_t SM3_OID[6] = {0x28, 0xCF, 0x06, 0x03, 0x00, 0x41}

Definition at line 66 of file sm3.c.

sm3HashAlgo

const HashAlgo sm3HashAlgo

Initial value:

=
{
   "SM3",
   SM3_OID,
   sizeof(SM3_OID),
   sizeof(Sm3Context),
   SM3_BLOCK_SIZE,
   SM3_DIGEST_SIZE,
   SM3_MIN_PAD_SIZE,
   TRUE,
   (HashAlgoCompute) sm3Compute,
   (HashAlgoInit) sm3Init,
   (HashAlgoUpdate) sm3Update,
   (HashAlgoFinal) sm3Final,
   (HashAlgoFinalRaw) sm3FinalRaw
}

Definition at line 69 of file sm3.c.