forked from sangge/tpre-python
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
|
|
* Copyright 2014-2022 The GmSSL Project. 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.
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*/
|
|
#ifndef GMSSL_SM2_BLIND_H
|
|
#define GMSSL_SM2_BLIND_H
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include <gmssl/sm2.h>
|
|
#include <gmssl/mem.h>
|
|
#include <gmssl/asn1.h>
|
|
#include <gmssl/error.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
typedef struct {
|
|
SM3_CTX sm3_ctx;
|
|
SM2_KEY public_key;
|
|
uint8_t blind_factor_a[32];
|
|
uint8_t blind_factor_b[32];
|
|
uint8_t sig_r[32];
|
|
} SM2_BLIND_SIGN_CTX;
|
|
|
|
|
|
#define SM2_BLIND_SIGN_MAX_COMMITLEN 65
|
|
|
|
int sm2_blind_sign_commit(SM2_Fn k, uint8_t *commit, size_t *commitlen);
|
|
int sm2_blind_sign_init(SM2_BLIND_SIGN_CTX *ctx, const SM2_KEY *public_key, const char *id, size_t idlen);
|
|
int sm2_blind_sign_update(SM2_BLIND_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
|
|
int sm2_blind_sign_finish(SM2_BLIND_SIGN_CTX *ctx, const uint8_t *commit, size_t commitlen, uint8_t blinded_sig_r[32]);
|
|
int sm2_blind_sign(const SM2_KEY *key, const SM2_Fn k, const uint8_t blinded_sig_r[32], uint8_t blinded_sig_s[32]);
|
|
int sm2_blind_sign_unblind(SM2_BLIND_SIGN_CTX *ctx, const uint8_t blinded_sig_s[32], uint8_t *sig, size_t *siglen);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|