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/**
* CTRModeTest
*
* A test class for CTRMode
* 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.CTRMode;
import com.hurlant.crypto.symmetric.AESKey;
import com.hurlant.crypto.symmetric.NullPad;
public class CTRModeTest extends TestCase
{
public function CTRModeTest(h:ITestHarness)
{
super(h, "CTRMode Test");
runTest(testCTR_AES128, "CTR AES-128 Test Vectors");
runTest(testCTR_AES192, "CTR AES-192 Test Vectors");
runTest(testCTR_AES256, "CTR AES-256 Test Vectors");
h.endTestCase();
}
/**
* Vectors from http://csrc.nist.gov/CryptoToolkit/modes/800-38_Series_Publications/SP800-38A.pdf
* Section F.5.1 and below.
*/
public function testCTR_AES128():void {
var key:ByteArray = Hex.toArray("2b7e151628aed2a6abf7158809cf4f3c");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"874d6191b620e3261bef6864990db6ce" +
"9806f66b7970fdff8617187bb9fffdff" +
"5ae4df3edbd5d35e5b4f09020db03eab" +
"1e031dda2fbe03d1792170a0f3009cee");
var ctr:CTRMode = new CTRMode(new AESKey(key), new NullPad);
ctr.IV = Hex.toArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ctr.encrypt(src);
var hsrc:String = Hex.fromArray(src);
var hct:String = Hex.fromArray(ct);
assert("CTR_AES128 test 1: "+hsrc+" != "+hct, hsrc==hct);
ctr.decrypt(src);
hsrc = Hex.fromArray(src);
var hpt:String = Hex.fromArray(pt);
assert("CTR_AES128 test 2: "+hsrc+" != "+hpt, hsrc==hpt);
}
public function testCTR_AES192():void {
var key:ByteArray = Hex.toArray("8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"1abc932417521ca24f2b0459fe7e6e0b" +
"090339ec0aa6faefd5ccc2c6f4ce8e94" +
"1e36b26bd1ebc670d1bd1d665620abf7" +
"4f78a7f6d29809585a97daec58c6b050");
var ctr:CTRMode = new CTRMode(new AESKey(key), new NullPad);
ctr.IV = Hex.toArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ctr.encrypt(src);
var hsrc:String = Hex.fromArray(src);
var hct:String = Hex.fromArray(ct);
assert("CTR_AES192 test 1: "+hsrc+" != "+hct, hsrc==hct);
ctr.decrypt(src);
hsrc = Hex.fromArray(src);
var hpt:String = Hex.fromArray(pt);
assert("CTR_AES192 test 2: "+hsrc+" != "+hpt, hsrc==hpt);
}
public function testCTR_AES256():void {
var key:ByteArray = Hex.toArray("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
var pt:ByteArray = Hex.toArray(
"6bc1bee22e409f96e93d7e117393172a" +
"ae2d8a571e03ac9c9eb76fac45af8e51" +
"30c81c46a35ce411e5fbc1191a0a52ef" +
"f69f2445df4f9b17ad2b417be66c3710");
var ct:ByteArray = Hex.toArray(
"601ec313775789a5b7a7f504bbf3d228" +
"f443e3ca4d62b59aca84e990cacaf5c5" +
"2b0930daa23de94ce87017ba2d84988d" +
"dfc9c58db67aada613c2dd08457941a6");
var ctr:CTRMode = new CTRMode(new AESKey(key), new NullPad);
ctr.IV = Hex.toArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff");
var src:ByteArray = new ByteArray;
src.writeBytes(pt);
ctr.encrypt(src);
var hsrc:String = Hex.fromArray(src);
var hct:String = Hex.fromArray(ct);
assert("CTR_AES256 test 1: "+hsrc+" != "+hct, hsrc==hct);
ctr.decrypt(src);
hsrc = Hex.fromArray(src);
var hpt:String = Hex.fromArray(pt);
assert("CTR_AES256 test 2: "+hsrc+" != "+hpt, hsrc==hpt);
}
}
}
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