package misc; import java.math.BigInteger; import java.util.ArrayList; import java.util.List; import crypto.Crypto; import oram.Forest; import oram.Metadata; import util.StopWatch; import util.Util; public class HelloWorld { public static void main(String[] args) { /* * System.out.println("HelloWorld!"); * * byte[] tmp = new byte[3]; BigInteger bi = new BigInteger(1, tmp); * System.out.println(bi.toByteArray().length); * * // System.out.println(tmp[3]); * * // System.out.println(Arrays.copyOfRange(tmp, 2, 1).length); * * byte[] a = new byte[] { 0 }; byte[] b = a.clone(); a[0] = 1; * System.out.println(a[0] + " " + b[0]); // throw new * ArrayIndexOutOfBoundsException("" + 11); * * System.out.println((new long[3])[0]); * * byte[] negInt = Util.intToBytes(-3); System.out.println(new * BigInteger(negInt).intValue()); * * byte aa = 1; aa ^= 1; System.out.println(aa); */ /*Metadata md = new Metadata(); Forest forest = Forest.readFromFile(md.getDefaultForestFileName()); forest.print();*/ StopWatch sw1 = new StopWatch(); StopWatch sw2 = new StopWatch(); byte[] arr1 = Util.nextBytes((int) Math.pow(2, 20), Crypto.sr); byte[] arr2 = Util.nextBytes((int) Math.pow(2, 20), Crypto.sr); sw1.start(); Util.xor(arr1, arr2); sw1.stop(); sw2.start(); new BigInteger(1, arr1).xor(new BigInteger(1, arr2)).toByteArray(); sw2.stop(); System.out.println(sw1.toMS()); System.out.println(sw2.toMS()); } }