64 lines
2.2 KiB
C
64 lines
2.2 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_RING_H
|
|
#define GMSSL_SM2_RING_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <gmssl/sm2.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
typedef uint8_t sm2_bn_t[32];
|
|
|
|
int sm2_ring_do_sign(const SM2_KEY *sign_key, const SM2_POINT *public_keys, size_t public_keys_cnt,
|
|
const uint8_t dgst[32], uint8_t r[32], sm2_bn_t *s);
|
|
int sm2_ring_do_verify(const SM2_POINT *public_keys, size_t public_keys_cnt,
|
|
const uint8_t dgst[32], const uint8_t r[32], const sm2_bn_t *s);
|
|
int sm2_ring_signature_to_der(const sm2_bn_t r, const sm2_bn_t *s, size_t s_cnt, uint8_t **out, size_t *outlen);
|
|
int sm2_ring_signature_from_der(sm2_bn_t r, sm2_bn_t *s, size_t *s_cnt, const uint8_t **in, size_t *inlen);
|
|
int sm2_ring_sign(const SM2_KEY *sign_key, const SM2_POINT *public_keys, size_t public_keys_cnt,
|
|
const uint8_t dgst[32], uint8_t *sig, size_t *siglen);
|
|
int sm2_ring_verify(const SM2_POINT *public_keys, size_t public_keys_cnt,
|
|
const uint8_t dgst[32], const uint8_t *sig, size_t siglen);
|
|
|
|
|
|
#define SM2_RING_SIGN_MAX_SIGNERS 32
|
|
typedef struct {
|
|
int state;
|
|
SM3_CTX sm3_ctx;
|
|
SM2_KEY sign_key;
|
|
SM2_POINT public_keys[SM2_RING_SIGN_MAX_SIGNERS];
|
|
size_t public_keys_count;
|
|
char *id;
|
|
size_t idlen;
|
|
} SM2_RING_SIGN_CTX;
|
|
|
|
int sm2_ring_sign_init(SM2_RING_SIGN_CTX *ctx, const SM2_KEY *sign_key, const char *id, size_t idlen);
|
|
int sm2_ring_sign_add_signer(SM2_RING_SIGN_CTX *ctx, const SM2_KEY *public_key);
|
|
int sm2_ring_sign_update(SM2_RING_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
|
|
int sm2_ring_sign_finish(SM2_RING_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen);
|
|
int sm2_ring_verify_init(SM2_RING_SIGN_CTX *ctx, const char *id, size_t idlen);
|
|
int sm2_ring_verify_add_signer(SM2_RING_SIGN_CTX *ctx, const SM2_KEY *public_key);
|
|
int sm2_ring_verify_update(SM2_RING_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
|
|
int sm2_ring_verify_finish(SM2_RING_SIGN_CTX *ctx, uint8_t *sig, size_t siglen);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|