[linux-block.git] / include / crypto / sm2.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * sm2.h - SM2 asymmetric public-key algorithm
 * as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012 SM2 and
 * described at https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02
 *
 * Copyright (c) 2020, Alibaba Group.
 * Written by Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
 */

#ifndef _CRYPTO_SM2_H
#define _CRYPTO_SM2_H

#include <crypto/sm3.h>
#include <crypto/akcipher.h>

/* The default user id as specified in GM/T 0009-2012 */
#define SM2_DEFAULT_USERID "1234567812345678"
#define SM2_DEFAULT_USERID_LEN 16

extern int sm2_compute_z_digest(struct crypto_akcipher *tfm,
			const unsigned char *id, size_t id_len,
			unsigned char dgst[SM3_DIGEST_SIZE]);

#endif /* _CRYPTO_SM2_H */
Commit	Line	Data
ea7ecb66 TZ	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
	2	/*
	3	* sm2.h - SM2 asymmetric public-key algorithm
	4	* as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012 SM2 and
	5	* described at https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02
	6	*
	7	* Copyright (c) 2020, Alibaba Group.
	8	* Written by Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
	9	*/
	10
	11	#ifndef _CRYPTO_SM2_H
	12	#define _CRYPTO_SM2_H
	13
	14	#include <crypto/sm3.h>
	15	#include <crypto/akcipher.h>
	16
	17	/* The default user id as specified in GM/T 0009-2012 */
	18	#define SM2_DEFAULT_USERID "1234567812345678"
	19	#define SM2_DEFAULT_USERID_LEN 16
	20
	21	extern int sm2_compute_z_digest(struct crypto_akcipher *tfm,
	22	const unsigned char *id, size_t id_len,
	23	unsigned char dgst[SM3_DIGEST_SIZE]);
	24
	25	#endif /* _CRYPTO_SM2_H */