Files
GmSSL/include/gmssl/sm9.h
Zhi Guan bcad2eb8dd update
2021-09-10 11:29:16 +08:00

65 lines
1.5 KiB
C

/*
* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GMSSL_SM9_H
#define GMSSL_SM9_H
#ifdef __cplusplus
extern "C" {
#endif
// set the same value as sm2
#define SM9_MAX_ID_BITS 65535
#define SM9_MAX_ID_SIZE (SM9_MAX_ID_BITS/8)
typedef struct {
uint8_t x[32];
uint8_t y[32];
} SM9_POINT;
typedef struct {
uint8_t x[64];
uint8_t y[64];
} SM9_TWIST_POINT;
typedef struct {
uint8_t ks[32];
SM9_TWIST_POINT Ppubs; // Ppubs = ks * P2
} SM9_SIGN_MASTER_KEY;
typedef struct {
SM9_POINT ds;
} SM9_SIGN_KEY;
typedef struct {
uint8_t h[32];
SM9_TWIST_POINT S;
} SM9_SIGNATURE;
int sm9_sign_setup(SM9_SIGN_MASTER_KEY *msk);
int sm9_sign_keygen(SM9_SIGN_MASTER_KEY *msk, const char *id, size_t idlen, SM9_POINT *ds);
int sm9_do_sign(SM9_SIGN_KEY *key, const uint8_t dgst[32], SM9_SIGNATURE *sig);
int sm9_do_verify(SM9_SIGN_KEY *key, const uint8_t dgst[32], const SM9_SIGNATURE *sig);
# ifdef __cplusplus
}
# endif
# endif