77 lines
2.8 KiB
Java
77 lines
2.8 KiB
Java
/*
|
|
* 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");
|
|
}
|
|
|
|
}
|
|
}
|