//package ecc.elliptic;

import java.math.BigInteger;

import java.io.*;

import java.util.*;

import java.util.zip.*;

public class Run{

public static void main(String[] args){

try{

BigInteger a = new BigInteger("1");

BigInteger b = new BigInteger("6");

BigInteger mod = new BigInteger("11");

EllipticCurve e = new EllipticCurve(a, b, mod);

System.out.println("EllipticCurve: " + e + " created succesfully!");

ECPoint p1 = new ECPoint(e,new BigInteger("2"), new BigInteger("7"));

ECPoint p2 = new ECPoint(e,new BigInteger("7"), new BigInteger("2"));

ECPoint p3 = new ECPoint(e,new BigInteger("2"), new BigInteger("-7"));

System.out.println(p1 +" + " + p2 + " = " + p1.add(p2));

System.out.println(p1 +" + " + p1 + " = " + p1.add(p1));

System.out.println(p1 +" + " + p3 + " = " + p1.add(p3));

System.out.println(p1 +" * " + mod + " = " + p1.multiply(mod));

System.out.println(p1 +" + " + e.getZero() + " = " + p1.add(e.getZero()));

System.out.println(e.getZero() +" + " + e.getZero() + " = " + e.getZero().add(e.getZero()));

System.out.println("Testing secp256r1...");

e = new EllipticCurve(new secp256r1());

System.out.println("New curve: " + e + " OK!");

System.out.println("Generator: " + e.getGenerator());

System.out.println("Order: " + e.getOrder());

System.out.println("Testing decompression of compression...");

p1 = new ECPoint(e.getGenerator().compress(), e);

if (e.getGenerator().getx().compareTo(p1.getx()) ==0) System.out.println("x values agree...");

else {

System.out.println("x values disagree...");

System.out.println("x-before:");

System.out.println(e.getGenerator().gety());

System.out.println("y-after:");

System.out.println(p1.gety());

}

if (e.getGenerator().gety().compareTo(p1.gety()) ==0) System.out.println("y values agree...");

else {

System.out.println("y values disagree...");

System.out.println("y-before:");

System.out.println(e.getGenerator().gety());

System.out.println("y-after:");

System.out.println(p1.gety());

}

} catch (Exception e){

System.out.println("Run: "+e);

}

}

}