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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 */ |