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Linux/include/crypto/sm2.h

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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 
 14 #include <crypto/sm3.h>
 15 #include <crypto/akcipher.h>
 16 
 17 /* The default user id as specified in GM/T 0009-2012 */
 18 #define SM2_DEFAULT_USERID "1234567812345678"
 19 #define SM2_DEFAULT_USERID_LEN 16
 20 
 21 extern int sm2_compute_z_digest(struct crypto_akcipher *tfm,
 22                         const unsigned char *id, size_t id_len,
 23                         unsigned char dgst[SM3_DIGEST_SIZE]);
 24 
 25 #endif /* _CRYPTO_SM2_H */
 26 

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