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/*
* Copyright (c) 2001, 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 8048604
* @summary This test checks boundary conditions for testing
* ShortBufferException.
*/
import static java.lang.System.out;
import java.security.AlgorithmParameters;
import java.security.Provider;
import java.security.Security;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
public class TextPKCS5PaddingTest {
/**
* Test plain text.
*/
private static final byte[] PLAIN_TEXT = {
0b10001, 0b10001, 0b10001, 0b10001,
0b10001, 0b10001, 0b11, 0b11
};
public static void main(String[] args) throws Exception {
Provider provider = Security.getProvider("SunJCE");
if (provider == null) {
throw new RuntimeException("SunJCE provider not exist");
}
// generate no-padding cipher with secret key
Cipher c = Cipher.getInstance("DES/CBC/NoPadding", provider);
KeyGenerator kgen = KeyGenerator.getInstance("DES", provider);
SecretKey skey = kgen.generateKey();
// this is the improperly padded plaintext
c.init(Cipher.ENCRYPT_MODE, skey);
// encrypt plaintext
byte[] cipher = c.doFinal(PLAIN_TEXT);
AlgorithmParameters params = c.getParameters();
// generate cipher that enforces PKCS5 padding
c = Cipher.getInstance("DES/CBC/PKCS5Padding", provider);
c.init(Cipher.DECRYPT_MODE, skey, params);
try {
c.doFinal(cipher);
throw new RuntimeException(
"ERROR: Expected BadPaddingException not thrown");
} catch (BadPaddingException expected) {
out.println("Expected BadPaddingException thrown");
}
}
}
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