shithub: drawterm-fdroid

ref: 78a654c8a70d4c041c8860820142ea89f167b8b4
dir: /libsec/secp256r1.c/

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#include "os.h"
#include <mp.h>
void secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h){
	strtomp("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", nil, 16, p);
	uitomp(3UL, a);
	mpsub(p, a, a);
	strtomp("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B", nil, 16, b);
	strtomp("6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296", nil, 16, x);
	strtomp("4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", nil, 16, y);
	strtomp("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", nil, 16, n);
	mpassign(mpone, h);
	}