sm4.h File Reference

SM4 encryption algorithm. More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures
struct	Sm4Context
	SM4 algorithm context. More...

Macros
#define	SM4_PRIVATE_CONTEXT
#define	SM4_BLOCK_SIZE   16
#define	SM4_CIPHER_ALGO   (&sm4CipherAlgo)

Functions
error_t	sm4Init (Sm4Context *context, const uint8_t *key, size_t keyLen)
	Key expansion. More...
void	sm4EncryptBlock (Sm4Context *context, const uint8_t *input, uint8_t *output)
	Encrypt a 16-byte block using SM4 algorithm. More...
void	sm4DecryptBlock (Sm4Context *context, const uint8_t *input, uint8_t *output)
	Decrypt a 16-byte block using SM4 algorithm. More...
void	sm4Deinit (Sm4Context *context)
	Release SM4 context. More...

Variables
const uint8_t	SM4_CBC_OID [8]
const uint8_t	SM4_ECB_OID [8]
const uint8_t	SM4_OFB_OID [8]
const uint8_t	SM4_CFB_OID [8]
const uint8_t	SM4_CTR_OID [8]
const uint8_t	SM4_GCM_OID [8]
const uint8_t	SM4_CCM_OID [8]
const uint8_t	SM4_XTS_OID [8]
const CipherAlgo	sm4CipherAlgo

Detailed Description

SM4 encryption algorithm.

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 sm4.h.

Macro Definition Documentation

SM4_BLOCK_SIZE

#define SM4_BLOCK_SIZE   16

Definition at line 43 of file sm4.h.

SM4_CIPHER_ALGO

#define SM4_CIPHER_ALGO   (&sm4CipherAlgo)

Definition at line 45 of file sm4.h.

SM4_PRIVATE_CONTEXT

#define SM4_PRIVATE_CONTEXT

Definition at line 39 of file sm4.h.

Function Documentation

sm4DecryptBlock()

void sm4DecryptBlock	(	Sm4Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 16-byte block using SM4 algorithm.

Parameters

[in]	context	Pointer to the SM4 context
[in]	input	Ciphertext block to decrypt
[out]	output	Plaintext block resulting from decryption

Definition at line 218 of file sm4.c.

sm4Deinit()

void sm4Deinit

(

Sm4Context *

context

)

Release SM4 context.

Parameters

[in]

context

Pointer to the SM4 context

Definition at line 256 of file sm4.c.

sm4EncryptBlock()

void sm4EncryptBlock	(	Sm4Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 16-byte block using SM4 algorithm.

Parameters

[in]	context	Pointer to the SM4 context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 179 of file sm4.c.

sm4Init()

error_t sm4Init	(	Sm4Context *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Key expansion.

Parameters

[in]	context	Pointer to the SM4 context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key

Returns

Error code

Definition at line 137 of file sm4.c.

Variable Documentation

SM4_CBC_OID

const uint8_t SM4_CBC_OID[8]

extern

Definition at line 68 of file sm4.h.

SM4_CCM_OID

const uint8_t SM4_CCM_OID[8]

extern

Definition at line 109 of file sm4.c.

SM4_CFB_OID

const uint8_t SM4_CFB_OID[8]

extern

Definition at line 103 of file sm4.c.

SM4_CTR_OID

const uint8_t SM4_CTR_OID[8]

extern

Definition at line 105 of file sm4.c.

SM4_ECB_OID

const uint8_t SM4_ECB_OID[8]

extern

Definition at line 97 of file sm4.c.

SM4_GCM_OID

const uint8_t SM4_GCM_OID[8]

extern

Definition at line 107 of file sm4.c.

SM4_OFB_OID

const uint8_t SM4_OFB_OID[8]

extern

Definition at line 101 of file sm4.c.

SM4_XTS_OID

const uint8_t SM4_XTS_OID[8]

extern

Definition at line 111 of file sm4.c.

sm4CipherAlgo

const CipherAlgo sm4CipherAlgo

extern

Definition at line 114 of file sm4.c.