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Update SM2 Extensions

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Arrange source files
This commit is contained in:
Zhi Guan
2022-12-30 12:46:47 +08:00
parent 7be0df2b82
commit dc7b9e68ec
19 changed files with 698 additions and 303 deletions
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52
include/gmssl/sm2.h
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@@ -279,19 +279,6 @@ int sm2_private_key_info_decrypt_from_der(SM2_KEY *key, const uint8_t **attrs, s
int sm2_private_key_info_encrypt_to_pem(const SM2_KEY *key, const char *pass, FILE *fp);
int sm2_private_key_info_decrypt_from_pem(SM2_KEY *key, const char *pass, FILE *fp);
// SM2 Key Shamir Secret Sharing
typedef struct {
SM2_KEY key;
size_t index;
size_t total_cnt;
} SM2_KEY_SHARE;
int sm2_key_split(const SM2_KEY *key, size_t recover_cnt, size_t total_cnt, SM2_KEY_SHARE *shares);
int sm2_key_recover(SM2_KEY *key, const SM2_KEY_SHARE *shares, size_t shares_cnt);
int sm2_key_share_encrypt_to_file(const SM2_KEY_SHARE *share, const char *pass, const char *path_prefix);
int sm2_key_share_decrypt_from_file(SM2_KEY_SHARE *share, const char *pass, const char *file);
int sm2_key_share_print(FILE *fp, int fmt, int ind, const char *label, const SM2_KEY_SHARE *share);
typedef struct {
uint8_t r[32];
@@ -372,47 +359,8 @@ int sm2_decrypt(const SM2_KEY *key, const uint8_t *in, size_t inlen, uint8_t *ou
int sm2_ecdh(const SM2_KEY *key, const SM2_POINT *peer_public, SM2_POINT *out);
int sm2_signature_to_public_key_points(const SM2_SIGNATURE *sig, const uint8_t dgst[32],
SM2_POINT points[4], size_t *points_cnt);
// SM2 Ring Signature
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
}

10
include/gmssl/sm2_commit.h
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@@ -28,12 +28,10 @@ extern "C" {
#endif
typedef uint8_t sm2_bn_t[32];
int sm2_commit_generate(const uint8_t x[32], uint8_t r[32], uint8_t commit[65], size_t *commitlen)
int sm2_commit_open(const uint8_t x[32], const uint8_t r[32], const uint8_t *commit, size_t commitlen)
int sm2_commit_vector_generate(const sm2_bn_t *x, size_t count, uint8_t r[32], uint8_t commit[65], size_t *commitlen)
int sm2_commit_vector_open(const sm2_bn_t *x, size_t count, const uint8_t r[32], const uint8_t *commit, size_t commitlen)
int sm2_commit_generate(const uint8_t x[32], uint8_t r[32], uint8_t commit[65], size_t *commitlen);
int sm2_commit_open(const uint8_t x[32], const uint8_t r[32], const uint8_t *commit, size_t commitlen);
int sm2_commit_vector_generate(const sm2_bn_t *x, size_t count, uint8_t r[32], uint8_t commit[65], size_t *commitlen);
int sm2_commit_vector_open(const sm2_bn_t *x, size_t count, const uint8_t r[32], const uint8_t *commit, size_t commitlen);
#ifdef __cplusplus

36
include/gmssl/sm2_elgamal.h
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@@ -21,23 +21,45 @@ extern "C" {
#endif
typedef uint32_t sm2_elgamal_plaintext_t;
#define SM2_PRE_COMPUTE_MAX_OFFSETS 6
typedef struct {
uint16_t offset[SM2_PRE_COMPUTE_MAX_OFFSETS];
uint8_t offset_count;
uint8_t x_coordinate[32];
} SM2_PRE_COMPUTE;
int sm2_elgamal_decrypt_pre_compute(SM2_PRE_COMPUTE table[1<<16]);
int sm2_elgamal_solve_ecdlp(const SM2_PRE_COMPUTE table[1<<16], const SM2_POINT *point, uint32_t *private);
typedef struct {
SM2_POINT C1;
SM2_POINT C2;
} SM2_ELGAMAL_CIPHERTEXT;
int sm2_elgamal_do_encrypt(const SM2_KEY *pub_key, uint32_t in, SM2_ELGAMAL_CIPHERTEXT *out);
int sm2_elgamal_do_decrypt(const SM2_KEY *key, const SM2_ELGAMAL_CIPHERTEXT *in, uint32_t *out);
int sm2_elgamal_ciphertext_add(SM2_ELGAMAL_CIPHERTEXT *r,
const SM2_ELGAMAL_CIPHERTEXT *a,
const SM2_ELGAMAL_CIPHERTEXT *b,
const SM2_KEY *pub_key);
int sm2_elgamal_cipehrtext_sub(SM2_ELGAMAL_CIPHERTEXT *r,
const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_ELGAMAL_CIPHERTEXT *b,
const SM2_KEY *pub_key);
int sm2_elgamal_cipehrtext_neg(SM2_ELGAMAL_CIPHERTEXT *r,
const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_KEY *pub_key);
int sm2_elgamal_ciphertext_scalar_mul(SM2_ELGAMAL_CIPHERTEXT *R,
const uint8_t scalar[32], const SM2_ELGAMAL_CIPHERTEXT *A,
const SM2_KEY *pub_key);
int sm2_elgamal_encrypt(const SM2_KEY *pub_key, sm2_elgamal_plaintext_t in, SM2_ELGAMAL_CIPHERTEXT *out);
int sm2_elgamal_decrypt(const SM2_KEY *key, const SM2_ELGAMAL_CIPHERTEXT *in, sm2_elgamal_plaintext_t *out);
int sm2_elgamal_ciphertext_add(SM2_ELGAMAL_CIPHERTEXT *r, const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_ELGAMAL_CIPHERTEXT *b, const SM2_KEY *pub_key);
int sm2_elgamal_cipehrtext_sub(SM2_ELGAMAL_CIPHERTEXT *r, const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_ELGAMAL_CIPHERTEXT *b, const SM2_KEY *pub_key);
int sm2_elgamal_cipehrtext_neg(SM2_ELGAMAL_CIPHERTEXT *r, const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_KEY *pub_key);
int sm2_elgamal_ciphertext_scalar_mul(SM2_ELGAMAL_CIPHERTEXT *r, uint32_t scalar, const SM2_ELGAMAL_CIPHERTEXT *a, const SM2_KEY *pub_key);
int sm2_elgamal_ciphertext_to_der(const SM2_ELGAMAL_CIPHERTEXT *c, uint8_t **out, size_t *outlen);
int sm2_elgamal_ciphertext_from_der(SM2_ELGAMAL_CIPHERTEXT *c, const uint8_t **in, size_t *inlen);
int sm2_elgamal_encrypt(const SM2_KEY *pub_key, uint32_t in, uint8_t *out, size_t *outlen);
int sm2_elgamal_decrypt(SM2_KEY *key, const uint8_t *in, size_t inlen, uint32_t *out);
#ifdef __cplusplus
}

45
include/gmssl/sm2_key_share.h Normal file
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@@ -0,0 +1,45 @@
/*
* 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
*/
// SM2 Key Shamir Secret Sharing
#ifndef GMSSL_SM2_KEY_SHARE_H
#define GMSSL_SM2_KEY_SHARE_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <gmssl/sm2.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SM2_KEY_MAX_SHARES 12 // 12! = 479001600 < 2^31 = 2147483648
typedef struct {
SM2_KEY key;
size_t index;
size_t total_cnt;
} SM2_KEY_SHARE;
int sm2_key_split(const SM2_KEY *key, size_t recover_cnt, size_t total_cnt, SM2_KEY_SHARE *shares);
int sm2_key_recover(SM2_KEY *key, const SM2_KEY_SHARE *shares, size_t shares_cnt);
int sm2_key_share_encrypt_to_file(const SM2_KEY_SHARE *share, const char *pass, const char *path_prefix);
int sm2_key_share_decrypt_from_file(SM2_KEY_SHARE *share, const char *pass, const char *file);
int sm2_key_share_print(FILE *fp, int fmt, int ind, const char *label, const SM2_KEY_SHARE *share);
#ifdef __cplusplus
}
#endif
#endif

31
include/gmssl/sm2_recover.h Normal file
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@@ -0,0 +1,31 @@
/*
* 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_RECOVER_H
#define GMSSL_SM2_RECOVER_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <gmssl/sm3.h>
#ifdef __cplusplus
extern "C" {
#endif
int sm2_signature_to_public_key_points(const SM2_SIGNATURE *sig, const uint8_t dgst[32],
SM2_POINT points[4], size_t *points_cnt);
#ifdef __cplusplus
}
#endif
#endif

63
include/gmssl/sm2_ring.h Normal file
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@@ -0,0 +1,63 @@
/*
* 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