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/* 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 */
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