86 lines
2.9 KiB
Java
86 lines
2.9 KiB
Java
/*
|
|
* Copyright (c) 2016, 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 6946830
|
|
* @summary Test the Cipher.doFinal() with 0-length buffer
|
|
* @key randomness
|
|
*/
|
|
|
|
import java.util.*;
|
|
import java.nio.*;
|
|
|
|
import java.security.*;
|
|
|
|
import javax.crypto.*;
|
|
import javax.crypto.spec.*;
|
|
|
|
public class EmptyFinalBuffer {
|
|
|
|
private static final String[] ALGOS = {
|
|
"AES/ECB/PKCS5Padding", "AES/CBC/PKCS5Padding"
|
|
};
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
Provider[] provs = Security.getProviders();
|
|
|
|
SecretKey key = new SecretKeySpec(new byte[16], "AES");
|
|
|
|
boolean testFailed = false;
|
|
for (Provider p : provs) {
|
|
System.out.println("Testing: " + p.getName());
|
|
for (String algo : ALGOS) {
|
|
System.out.print("Algo: " + algo);
|
|
Cipher c;
|
|
try {
|
|
c = Cipher.getInstance(algo, p);
|
|
} catch (NoSuchAlgorithmException nsae) {
|
|
// skip
|
|
System.out.println("=> No Support");
|
|
continue;
|
|
}
|
|
c.init(Cipher.ENCRYPT_MODE, key);
|
|
AlgorithmParameters params = c.getParameters();
|
|
c.init(Cipher.DECRYPT_MODE, key, params);
|
|
try {
|
|
byte[] out = c.doFinal(new byte[0]);
|
|
System.out.println("=> Accepted w/ " +
|
|
(out == null? "null" : (out.length + "-byte")) +
|
|
" output");
|
|
} catch (Exception e) {
|
|
testFailed = true;
|
|
System.out.println("=> Rejected w/ Exception");
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|
|
if (testFailed) {
|
|
throw new Exception("One or more tests failed");
|
|
} else {
|
|
System.out.println("All tests passed");
|
|
}
|
|
}
|
|
}
|