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/*
* Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4635086
* @library ../UTIL
* @build TestUtil
* @run main TestKATForECB_IV
* @summary Known Answer Test for AES cipher with ECB mode
* @author Valerie Peng
*/
import java.security.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.math.*;
import java.util.*;
public class TestKATForECB_IV
{
private static final String ALGO = "AES";
private static final String MODE = "ECB";
private static final String PADDING = "NoPadding";
//ecb-iv.txt
private static String[] PTS = {
"000102030405060708090A0B0C0D0E0F",
"000102030405060708090A0B0C0D0E0F",
"000102030405060708090A0B0C0D0E0F"
};
private static String[] CTS = {
"0A940BB5416EF045F1C39458C653EA5A",
"0060BFFE46834BB8DA5CF9A61FF220AE",
"5A6E045708FB7196F02E553D02C3A692"
};
private static String[] KEYS = {
"000102030405060708090A0B0C0D0E0F",
"000102030405060708090A0B0C0D0E0F1011121314151617",
"000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"
};
private static SecretKey constructAESKey(String s) throws Exception {
int len = s.length()/2;
if ((len != 16) && (len != 24) && (len != 32)) {
throw new IllegalArgumentException("Wrong Key Length: " + len);
}
byte[] rawKeyValue = constructByteArray(s);
SecretKeySpec key = new SecretKeySpec(rawKeyValue, "AES");
return key;
}
private static byte[] constructByteArray(String s) {
int len = s.length()/2;
byte[] tempValue = new byte[len];
for (int i = 0; i < len; i++) {
tempValue[i] = Integer.valueOf(s.substring(2*i, 2*i+2),
16).byteValue();
}
return tempValue;
}
public boolean execute() throws Exception {
String transformation = ALGO+"/"+MODE+"/"+PADDING;
Cipher c = Cipher.getInstance(transformation, "SunJCE");
for (int i=0; i<KEYS.length; i++) {
SecretKey aesKey = constructAESKey(KEYS[i]);
if (aesKey.getEncoded().length*8 >
Cipher.getMaxAllowedKeyLength(transformation)) {
// skip if this key length is larger than what's
// configured in the jce jurisdiction policy files
continue;
}
try {
c.init(Cipher.ENCRYPT_MODE, aesKey);
byte[] plainText = constructByteArray(PTS[i]);
byte[] cipherText = c.doFinal(plainText);
byte[] answer = constructByteArray(CTS[i]);
if (!Arrays.equals(cipherText, answer)) {
throw new Exception((i+1) + "th known answer test failed for encryption");
}
c.init(Cipher.DECRYPT_MODE, aesKey);
byte[] recoveredText = c.doFinal(answer);
if (!Arrays.equals(recoveredText, plainText)) {
throw new Exception("known answer test failed for decryption");
}
System.out.println("Finished KAT for " + aesKey.getEncoded().length + "-byte key");
} catch (SecurityException se) {
TestUtil.handleSE(se);
}
}
// passed all tests...hooray!
return true;
}
public static void main (String[] args) throws Exception {
TestKATForECB_IV test = new TestKATForECB_IV();
String testName = test.getClass().getName() + "[" + ALGO +
"/" + MODE + "/" + PADDING + "]";
if (test.execute()) {
System.out.println(testName + ": Passed!");
}
}
}
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