/* 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 */