mirror of
https://github.com/guanzhi/GmSSL.git
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149 lines
6.9 KiB
C
149 lines
6.9 KiB
C
/*
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* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_SM2_Z256_H
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#define GMSSL_SM2_Z256_H
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <gmssl/sm2.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint64_t SM2_Z256[4];
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int sm2_z256_rand_range(uint64_t r[4], const uint64_t range[4]);
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void sm2_z256_copy(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_copy_conditional(uint64_t dst[4], const uint64_t src[4], uint64_t move);
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void sm2_z256_from_bytes(uint64_t r[4], const uint8_t in[32]);
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void sm2_z256_to_bytes(const uint64_t a[4], uint8_t out[32]);
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int sm2_z256_cmp(const uint64_t a[4], const uint64_t b[4]);
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uint64_t sm2_z256_is_zero(const uint64_t a[4]);
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uint64_t sm2_z256_equ(const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_rshift(uint64_t r[4], const uint64_t a[4], unsigned int nbits);
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uint64_t sm2_z256_add(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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uint64_t sm2_z256_sub(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_mul(uint64_t r[8], const uint64_t a[4], const uint64_t b[4]);
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uint64_t sm2_z512_add(uint64_t r[8], const uint64_t a[8], const uint64_t b[8]);
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int sm2_z256_get_booth(const uint64_t a[4], unsigned int window_size, int i);
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void sm2_z256_from_hex(uint64_t r[4], const char *hex);
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int sm2_z256_equ_hex(const uint64_t a[4], const char *hex);
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int sm2_z256_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
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int sm2_z512_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[8]);
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void sm2_z256_modp_add(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modp_sub(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modp_neg(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_dbl(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_tri(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_haf(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_to_mont(const uint64_t a[4], uint64_t r[4]);
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void sm2_z256_modp_from_mont(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_mont_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modp_mont_sqr(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modp_mont_exp(uint64_t r[4], const uint64_t a[4], const uint64_t e[4]);
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void sm2_z256_modp_mont_inv(uint64_t r[4], const uint64_t a[4]);
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int sm2_z256_modp_mont_sqrt(uint64_t r[4], const uint64_t a[4]);
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int sm2_z256_modp_mont_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
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int sm2_z256_modn_rand(uint64_t r[4]);
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void sm2_z256_modn_add(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modn_sub(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modn_neg(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modn_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modn_sqr(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modn_exp(uint64_t r[4], const uint64_t a[4], const uint64_t e[4]);
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void sm2_z256_modn_inv(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modn_to_mont(const uint64_t a[4], uint64_t r[4]);
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void sm2_z256_modn_from_mont(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modn_mont_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
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void sm2_z256_modn_mont_sqr(uint64_t r[4], const uint64_t a[4]);
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void sm2_z256_modn_mont_exp(uint64_t r[4], const uint64_t a[4], const uint64_t e[4]);
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void sm2_z256_modn_mont_inv(uint64_t r[4], const uint64_t a[4]);
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int sm2_z256_modn_mont_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
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typedef struct {
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uint64_t X[4];
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uint64_t Y[4];
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uint64_t Z[4];
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} SM2_Z256_POINT;
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void sm2_z256_point_set_infinity(SM2_Z256_POINT *P);
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void sm2_z256_point_from_bytes(SM2_Z256_POINT *P, const uint8_t in[64]);
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void sm2_z256_point_to_bytes(const SM2_Z256_POINT *P, uint8_t out[64]);
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int sm2_z256_point_is_at_infinity(const SM2_Z256_POINT *P);
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int sm2_z256_point_is_on_curve(const SM2_Z256_POINT *P);
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int sm2_z256_point_equ(const SM2_Z256_POINT *P, const SM2_Z256_POINT *Q);
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void sm2_z256_point_get_xy(const SM2_Z256_POINT *P, uint64_t x[4], uint64_t y[4]);
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void sm2_z256_point_dbl(SM2_Z256_POINT *R, const SM2_Z256_POINT *A);
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void sm2_z256_point_add(SM2_Z256_POINT *r, const SM2_Z256_POINT *a, const SM2_Z256_POINT *b);
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void sm2_z256_point_neg(SM2_Z256_POINT *R, const SM2_Z256_POINT *P);
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void sm2_z256_point_sub(SM2_Z256_POINT *R, const SM2_Z256_POINT *A, const SM2_Z256_POINT *B);
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void sm2_z256_point_get_affine(const SM2_Z256_POINT *P, uint64_t x[4], uint64_t y[4]);
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int sm2_z256_point_print(FILE *fp, int fmt, int ind, const char *label, const SM2_Z256_POINT *P);
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typedef struct {
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uint64_t x[4];
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uint64_t y[4];
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} SM2_Z256_POINT_AFFINE;
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void sm2_z256_point_copy_affine(SM2_Z256_POINT *R, const SM2_Z256_POINT_AFFINE *P);
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void sm2_z256_point_add_affine(SM2_Z256_POINT *r, const SM2_Z256_POINT *a, const SM2_Z256_POINT_AFFINE *b);
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void sm2_z256_point_sub_affine(SM2_Z256_POINT *R, const SM2_Z256_POINT *A, const SM2_Z256_POINT_AFFINE *B);
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int sm2_z256_point_affine_print(FILE *fp, int fmt, int ind, const char *label, const SM2_Z256_POINT_AFFINE *P);
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void sm2_z256_point_mul_generator(SM2_Z256_POINT *R, const uint64_t k[4]);
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void sm2_z256_point_mul(SM2_Z256_POINT *R, const uint64_t k[4], const SM2_Z256_POINT *P);
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void sm2_z256_point_mul_sum(SM2_Z256_POINT *R, const uint64_t t[4], const SM2_Z256_POINT *P, const uint64_t s[4]);
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const uint64_t *sm2_z256_prime(void);
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const uint64_t *sm2_z256_order(void);
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const uint64_t *sm2_z256_order_minus_one(void);
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const uint64_t *sm2_z256_one(void);
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void sm2_z256_point_from_hex(SM2_Z256_POINT *P, const char *hex);
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int sm2_z256_point_equ_hex(const SM2_Z256_POINT *P, const char *hex);
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enum {
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SM2_point_at_infinity = 0x00,
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SM2_point_compressed_y_even = 0x02,
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SM2_point_compressed_y_odd = 0x03,
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SM2_point_uncompressed = 0x04,
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SM2_point_uncompressed_y_even = 0x06,
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SM2_point_uncompressed_y_odd = 0x07,
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};
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int sm2_z256_point_from_x_bytes(SM2_Z256_POINT *P, const uint8_t x_bytes[32], int y_is_odd);
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int sm2_z256_point_from_hash(SM2_Z256_POINT *R, const uint8_t *data, size_t datalen, int y_is_odd);
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int sm2_z256_point_from_octets(SM2_Z256_POINT *P, const uint8_t *in, size_t inlen);
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// 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
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// 这些接口和底层的SM2曲线实现是相关的
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int sm2_do_sign_fast(const uint64_t d[4], const uint8_t dgst[32], SM2_SIGNATURE *sig);
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int sm2_do_sign_pre_compute(uint64_t k[4], uint64_t x1[4]);
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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);
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int sm2_do_verify_fast(const SM2_Z256_POINT *P, const uint8_t dgst[32], const SM2_SIGNATURE *sig);
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#ifdef __cplusplus
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}
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#endif
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#endif
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