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/*
* Copyright (c) 2003, 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 4955844
* @summary ensure that the NONEwithRSA adapter works correctly
* @author Andreas Sterbenz
* @key randomness
*/
import java.util.*;
import java.security.*;
import javax.crypto.*;
public class NONEwithRSA {
public static void main(String[] args) throws Exception {
// showProvider(Security.getProvider("SUN"));
Random random = new Random();
byte[] b = new byte[16];
random.nextBytes(b);
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
kpg.initialize(512);
KeyPair kp = kpg.generateKeyPair();
Signature sig = Signature.getInstance("NONEwithRSA");
sig.initSign(kp.getPrivate());
System.out.println("Provider: " + sig.getProvider());
sig.update(b);
byte[] sb = sig.sign();
sig.initVerify(kp.getPublic());
sig.update(b);
if (sig.verify(sb) == false) {
throw new Exception("verification failed");
}
Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding");
c.init(Cipher.DECRYPT_MODE, kp.getPublic());
byte[] dec = c.doFinal(sb);
if (Arrays.equals(dec, b) == false) {
throw new Exception("decryption failed");
}
sig = Signature.getInstance("NONEwithRSA", "SunJCE");
sig.initSign(kp.getPrivate());
sig = Signature.getInstance("NONEwithRSA", Security.getProvider("SunJCE"));
sig.initSign(kp.getPrivate());
try {
Signature.getInstance("NONEwithRSA", "SUN");
throw new Exception("call succeeded");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
System.out.println("OK");
}
private static void showProvider(Provider p) {
System.out.println(p);
for (Iterator t = p.getServices().iterator(); t.hasNext(); ) {
System.out.println(t.next());
}
}
}
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