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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 | ||
e5221fa6 | 14 | struct shash_desc; |
ea7ecb66 | 15 | |
3867caee | 16 | #if IS_REACHABLE(CONFIG_CRYPTO_SM2) |
e5221fa6 HX |
17 | int sm2_compute_z_digest(struct shash_desc *desc, |
18 | const void *key, unsigned int keylen, void *dgst); | |
3867caee HX |
19 | #else |
20 | static inline int sm2_compute_z_digest(struct shash_desc *desc, | |
21 | const void *key, unsigned int keylen, | |
22 | void *dgst) | |
23 | { | |
24 | return -ENOTSUPP; | |
25 | } | |
26 | #endif | |
ea7ecb66 TZ |
27 | |
28 | #endif /* _CRYPTO_SM2_H */ |