mirror of
https://github.com/guanzhi/GmSSL.git
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110 lines
4.6 KiB
C
110 lines
4.6 KiB
C
/*
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* Copyright 2014-2026 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_SECP384R1_H
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#define GMSSL_SECP384R1_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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#ifdef __cplusplus
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extern "C" {
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#endif
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// p = 2^384 - 2^128 - 2^96 + 2^32 - 1
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// = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF
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// a = -3
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// b = 0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef
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// x = 0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7
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// y = 0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f
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// n = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973
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// h = 1
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typedef uint32_t secp384r1_t[12];
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#define SECP384R1_K (sizeof(secp384r1_t)/sizeof(uint32_t))
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extern const secp384r1_t SECP384R1_P;
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extern const secp384r1_t SECP384R1_B;
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extern const secp384r1_t SECP384R1_N;
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extern const uint32_t SECP384R1_U_P[13];
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extern const uint32_t SECP384R1_U_N[13];
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int secp384r1_is_zero(const secp384r1_t a);
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int secp384r1_is_one(const secp384r1_t a);
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int secp384r1_cmp(const secp384r1_t a, const secp384r1_t b);
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int secp384r1_set_zero(secp384r1_t r);
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int secp384r1_set_one(secp384r1_t r);
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int secp384r1_copy(secp384r1_t r, const secp384r1_t a);
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int secp384r1_to_48bytes(const secp384r1_t a, uint8_t out[48]);
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int secp384r1_from_48bytes(secp384r1_t r, const uint8_t in[48]);
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int secp384r1_print(FILE *fp, int fmt, int ind, const char *label, const secp384r1_t a);
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int secp384r1_modp_add(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modp_dbl(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modp_tri(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modp_sub(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modp_neg(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modp_haf(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modp_mul(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modp_sqr(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modp_exp(secp384r1_t r, const secp384r1_t a, const secp384r1_t e);
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int secp384r1_modp_inv(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn_add(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modn_dbl(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn_tri(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn_sub(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modn_neg(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn_mul(secp384r1_t r, const secp384r1_t a, const secp384r1_t b);
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int secp384r1_modn_sqr(secp384r1_t r, const secp384r1_t a);
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int secp384r1_modn_exp(secp384r1_t r, const secp384r1_t a, const secp384r1_t e);
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int secp384r1_modn_inv(secp384r1_t r, const secp384r1_t a);
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typedef struct {
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secp384r1_t X;
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secp384r1_t Y;
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secp384r1_t Z;
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} SECP384R1_POINT;
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const SECP384R1_POINT *secp384r1_generator(void);
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#define SECP384R1_POINT_G (*secp384r1_generator())
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int secp384r1_point_set_infinity(SECP384R1_POINT *R);
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int secp384r1_point_is_at_infinity(const SECP384R1_POINT *P);
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int secp384r1_point_is_on_curve(const SECP384R1_POINT *P);
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int secp384r1_point_equ(const SECP384R1_POINT *P, const SECP384R1_POINT *Q);
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int secp384r1_point_set_xy(SECP384R1_POINT *R, const secp384r1_t x, const secp384r1_t y);
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int secp384r1_point_get_xy(const SECP384R1_POINT *P, secp384r1_t x, secp384r1_t y);
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int secp384r1_point_copy(SECP384R1_POINT *R, const SECP384R1_POINT *P);
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int secp384r1_point_dbl(SECP384R1_POINT *R, const SECP384R1_POINT *P);
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int secp384r1_point_add(SECP384R1_POINT *R, const SECP384R1_POINT *P, const SECP384R1_POINT *Q);
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int secp384r1_point_neg(SECP384R1_POINT *R, const SECP384R1_POINT *P);
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int secp384r1_point_sub(SECP384R1_POINT *R, const SECP384R1_POINT *P, const SECP384R1_POINT *Q);
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int secp384r1_point_mul(SECP384R1_POINT *R, const secp384r1_t k, const SECP384R1_POINT *P);
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int secp384r1_point_mul_generator(SECP384R1_POINT *R, const secp384r1_t k);
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int secp384r1_point_print(FILE *fp, int fmt, int ind, const char *label, const SECP384R1_POINT *P);
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int secp384r1_point_to_uncompressed_octets(const SECP384R1_POINT *P, uint8_t octets[97]);
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int secp384r1_point_from_uncompressed_octets(SECP384R1_POINT *P, const uint8_t octets[97]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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