/js/lib/Socket.IO-node/support/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/tests/XTeaKeyTest.as

/**

 * XTeaKeyTest

 * 

 * A test class for XTeaKey

 * Copyright (c) 2007 Henri Torgemane

 * 

 * See LICENSE.txt for full license information.

 */

package com.hurlant.crypto.tests

{

	import com.hurlant.crypto.prng.Random;

	import com.hurlant.crypto.symmetric.ECBMode;

	import com.hurlant.crypto.symmetric.XTeaKey;

	import com.hurlant.util.Hex;

	

	import flash.utils.ByteArray;

	import flash.utils.getTimer;

	

	public class XTeaKeyTest extends TestCase

	{

		public function XTeaKeyTest(h:ITestHarness) {

			super(h, "XTeaKey Test");

			runTest(testGetBlockSize, "XTea Block Size");

			runTest(testVectors, "XTea Test Vectors");

			

			h.endTestCase();

		}

		

		public function testGetBlockSize():void {

			var tea:XTeaKey = new XTeaKey(Hex.toArray("deadbabecafebeefdeadbabecafebeef"));

			assert("tea blocksize", tea.getBlockSize()==8);

		}

		

		public function testVectors():void {

			// blah.

			// can't find working test vectors.

			// algorithms should not get published without vectors :(

			var keys:Array=[

			"00000000000000000000000000000000",

			"2b02056806144976775d0e266c287843"];

			var pts:Array=[

			"0000000000000000",

			"74657374206d652e"];

			var cts:Array=[

			"2dc7e8d3695b0538",

			"7909582138198783"];

			// self-fullfilling vectors.

			// oh well, at least I can decrypt what I produce. :(

			

			for (var i:uint=0;i<keys.length;i++) {

				var key:ByteArray = Hex.toArray(keys[i]);

				var pt:ByteArray = Hex.toArray(pts[i]);

				var tea:XTeaKey = new XTeaKey(key);

				tea.encrypt(pt);

				var out:String = Hex.fromArray(pt);

				assert("comparing "+cts[i]+" to "+out, cts[i]==out);

				// now go back to plaintext.

				pt.position=0;

				tea.decrypt(pt);

				out = Hex.fromArray(pt);

				assert("comparing "+pts[i]+" to "+out, pts[i]==out);

			}

		}



	}

}