summaryrefslogtreecommitdiffstats
path: root/include/crypto/sm2.h
blob: 04a92c1013c89489d2f5c2a91544f24afadd1113 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
/* 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

struct shash_desc;

#if IS_REACHABLE(CONFIG_CRYPTO_SM2)
int sm2_compute_z_digest(struct shash_desc *desc,
			 const void *key, unsigned int keylen, void *dgst);
#else
static inline int sm2_compute_z_digest(struct shash_desc *desc,
				       const void *key, unsigned int keylen,
				       void *dgst)
{
	return -ENOTSUPP;
}
#endif

#endif /* _CRYPTO_SM2_H */