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/**
* OFBModeTest
*
* A test class for OFBMode
* Copyright (c) 2007 Henri Torgemane
*
* See LICENSE.txt for full license information.
*/
package com.hurlant.crypto.tests
{
import flash.utils.ByteArray;
import com.hurlant.util.Hex;
import com.hurlant.crypto.symmetric.OFBMode;
import com.hurlant.crypto.symmetric.AESKey;
import com.hurlant.crypto.symmetric.NullPad;
public class OFBModeTest extends TestCase
{
public function OFBModeTest(h:ITestHarness)
{
super(h, "OFBMode Test");
runTest(testOFB_AES128,"OFB AES-128 Test Vectors");
runTest(testOFB_AES192,"OFB AES-192 Test Vectors");
runTest(testOFB_AES256,"OFB AES-256 Test Vectors");
h.endTestCase();
}
/**
* Nist Vectors: http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
* Section F.4.1 and below.
*/
public function testOFB_AES128():void {
var key:ByteArray = Hex.toArray("2b7e151628aed2a6abf7158809cf4f3c");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"3b3fd92eb72dad20333449f8e83cfb4a" +
"7789508d16918f03f53c52dac54ed825" +
"9740051e9c5fecf64344f7a82260edcc" +
"304c6528f659c77866a510d9c1d6ae5e");
var ofb:OFBMode = new OFBMode(new AESKey(key), new NullPad);
ofb.IV = Hex.toArray("000102030405060708090a0b0c0d0e0f");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ofb.encrypt(src);
assert("OFB_AES128 test 1", Hex.fromArray(src)==Hex.fromArray(ct));
ofb.decrypt(src);
assert("OFB_AES128 test 2", Hex.fromArray(src)==Hex.fromArray(pt));
}
public function testOFB_AES192():void {
var key:ByteArray = Hex.toArray("8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"cdc80d6fddf18cab34c25909c99a4174" +
"fcc28b8d4c63837c09e81700c1100401" +
"8d9a9aeac0f6596f559c6d4daf59a5f2" +
"6d9f200857ca6c3e9cac524bd9acc92a");
var ofb:OFBMode = new OFBMode(new AESKey(key), new NullPad);
ofb.IV = Hex.toArray("000102030405060708090a0b0c0d0e0f");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ofb.encrypt(src);
assert("OFB_AES192 test 1", Hex.fromArray(src)==Hex.fromArray(ct));
ofb.decrypt(src);
assert("OFB_AES192 test 2", Hex.fromArray(src)==Hex.fromArray(pt));
}
public function testOFB_AES256():void {
var key:ByteArray = Hex.toArray(
"603deb1015ca71be2b73aef0857d7781" +
"1f352c073b6108d72d9810a30914dff4");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"dc7e84bfda79164b7ecd8486985d3860" +
"4febdc6740d20b3ac88f6ad82a4fb08d" +
"71ab47a086e86eedf39d1c5bba97c408" +
"0126141d67f37be8538f5a8be740e484");
var ofb:OFBMode = new OFBMode(new AESKey(key), new NullPad);
ofb.IV = Hex.toArray("000102030405060708090a0b0c0d0e0f");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ofb.encrypt(src);
assert("OFB_AES256 test 1", Hex.fromArray(src)==Hex.fromArray(ct));
ofb.decrypt(src);
assert("OFB_AES256 test 2", Hex.fromArray(src)==Hex.fromArray(pt));
}
}
}
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