g1a.cu

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// bls12_381: Arithmetic for BLS12-381
// Copyright 2022-2023 Dag Arne Osvik
// Copyright 2022-2023 Luan Cardoso dos Santos
 
#include <stdio.h>
 
#include "fp.cuh"
#include "fr.cuh"
#include "g1.cuh"
 
__device__ __host__ void g1a_fromUint64(g1a_t &a, const uint64_t *x, const uint64_t *y) {
    fp_fromUint64(a.x, x);
    fp_fromUint64(a.y, y);
}
 
__device__ __host__ void g1a_fromFp(g1a_t &a, const fp_t &x, const fp_t &y) {
    fp_cpy(a.x, x);
    fp_cpy(a.y, y);
}
 
__device__ void g1a_fromG1p(g1a_t &a, const g1p_t &p) {
 
    // uses a.y as temporary storage for the inverse
 
    fp_inv(a.y, p.z);
 
    fp_mul(a.x, p.x, a.y);
    fp_mul(a.y, p.y, a.y);
}
 
__device__ __host__ void g1a_cpy(g1a_t &a, const g1a_t &b) {
    fp_cpy(a.x, b.x);
    fp_cpy(a.y, b.y);
}
 
__device__ __host__ void g1a_print(const char *s, const g1a_t &a) {
//  printf("%s #x%016lx%016lx%016lx%016lx%016lx%016lx #x%016lx%016lx%016lx%016lx%016lx%016lx\n", s, // clisp
    printf("%s %016lX%016lX%016lX%016lX%016lX%016lX %016lX%016lX%016lX%016lX%016lX%016lX\n", s, // dc
//  printf("%s 0x%016lx%016lx%016lx%016lx%016lx%016lx 0x%016lx%016lx%016lx%016lx%016lx%016lx\n", s, // python
    a.x[5], a.x[4], a.x[3], a.x[2], a.x[1], a.x[0],
    a.y[5], a.y[4], a.y[3], a.y[2], a.y[1], a.y[0]);
}
 
__device__ __host__ void g1a_inf(g1a_t &a) {
    fp_zero(a.x);
    fp_zero(a.y);
};
 
__device__ __host__ void g1a_gen(g1a_t &a) {
    a.x[5] = 0x17F1D3A73197D794;
    a.x[4] = 0x2695638C4FA9AC0F;
    a.x[3] = 0xC3688C4F9774B905;
    a.x[2] = 0xA14E3A3F171BAC58;
    a.x[1] = 0x6C55E83FF97A1AEF;
    a.x[0] = 0xFB3AF00ADB22C6BB;
 
    a.y[5] = 0x08B3F481E3AAA0F1;
    a.y[4] = 0xA09E30ED741D8AE4;
    a.y[3] = 0xFCF5E095D5D00AF6;
    a.y[2] = 0x00DB18CB2C04B3ED;
    a.y[1] = 0xD03CC744A2888AE4;
    a.y[0] = 0x0CAA232946C5E7E1;
};
 
// vim: ts=4 et sw=4 si