| /* 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 */ |
