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Update SM2

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This commit is contained in:
Zhi Guan
2024-03-19 21:37:36 +08:00
parent 33baa3df92
commit 31440f9948
10 changed files with 483 additions and 2957 deletions
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12
include/gmssl/sm2.h
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@@ -17,7 +17,6 @@
#include <stdlib.h>
#include <gmssl/api.h>
#include <gmssl/sm3.h>
#include <gmssl/sm2_z256.h>
#ifdef __cplusplus
extern "C" {
@@ -163,13 +162,9 @@ typedef struct {
} SM2_SIGNATURE;
int sm2_do_sign(const SM2_KEY *key, const uint8_t dgst[32], SM2_SIGNATURE *sig);
int sm2_do_sign_fast(const uint64_t d[4], const uint8_t dgst[32], SM2_SIGNATURE *sig);
int sm2_do_verify(const SM2_KEY *key, const uint8_t dgst[32], const SM2_SIGNATURE *sig);
int sm2_do_sign_pre_compute(uint64_t k[4], uint64_t x1[4]);
int sm2_do_sign_fast_ex(const uint64_t d[4], const uint64_t k[4], const uint64_t x1[4], const uint8_t dgst[32], SM2_SIGNATURE *sig);
int sm2_do_verify_fast(const SM2_Z256_POINT *P, const uint8_t dgst[32], const SM2_SIGNATURE *sig);
#define SM2_MIN_SIGNATURE_SIZE 8
@@ -203,20 +198,23 @@ typedef struct {
uint64_t x1[4];
} SM2_SIGN_PRE_COMP;
typedef struct {
SM3_CTX sm3_ctx;
SM2_KEY key;
// FIXME: change `key` to SM2_Z256_POINT and uint64_t[4], inner type, faster sign/verify
SM2_Z256_POINT public_key; // z256 only
uint64_t public_key[3][8]; // enough to hold point in Jacobian format
uint64_t sign_key[8]; // u64[8] to support SM2_BN
SM3_CTX inited_sm3_ctx;
SM2_SIGN_PRE_COMP pre_comp[32];
unsigned int num_pre_comp;
} SM2_SIGN_CTX;
_gmssl_export int sm2_sign_init(SM2_SIGN_CTX *ctx, const SM2_KEY *key, const char *id, size_t idlen);
_gmssl_export int sm2_sign_update(SM2_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
_gmssl_export int sm2_sign_finish(SM2_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen);

8
include/gmssl/sm2_z256.h
View File

@@ -15,6 +15,7 @@
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <gmssl/sm2.h>
#ifdef __cplusplus
extern "C" {
@@ -134,6 +135,13 @@ int sm2_z256_point_from_hash(SM2_Z256_POINT *R, const uint8_t *data, size_t data
int sm2_z256_point_from_octets(SM2_Z256_POINT *P, const uint8_t *in, size_t inlen);
// 这些函数的问题是依赖于sm2.h 这些接口的，最好是不要有这些依赖
// 这些接口和底层的SM2曲线实现是相关的
int sm2_do_sign_fast(const uint64_t d[4], const uint8_t dgst[32], SM2_SIGNATURE *sig);
int sm2_do_sign_pre_compute(uint64_t k[4], uint64_t x1[4]);
int sm2_do_sign_fast_ex(const uint64_t d[4], const uint64_t k[4], const uint64_t x1[4], const uint8_t dgst[32], SM2_SIGNATURE *sig);
int sm2_do_verify_fast(const SM2_Z256_POINT *P, const uint8_t dgst[32], const SM2_SIGNATURE *sig);
#ifdef __cplusplus
}
#endif