| /* |
| * Copyright (c) 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. |
| */ |
| |
| import java.io.Serializable; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.Signature; |
| import java.security.SignedObject; |
| |
| /* |
| * @test |
| * @bug 8050374 |
| * @summary Checks if a signed object is a copy of an original object |
| */ |
| public class Copy { |
| |
| private static final String DSA = "DSA"; |
| private static final int KEY_SIZE = 512; |
| private static final int MAGIC = 123; |
| |
| public static void main(String args[]) throws Exception { |
| KeyPairGenerator kg = KeyPairGenerator.getInstance(DSA); |
| kg.initialize(KEY_SIZE); |
| KeyPair kp = kg.genKeyPair(); |
| |
| Signature signature = Signature.getInstance(DSA); |
| Test original = new Test(); |
| SignedObject so = new SignedObject(original, kp.getPrivate(), |
| signature); |
| System.out.println("Signature algorithm: " + so.getAlgorithm()); |
| |
| signature = Signature.getInstance(DSA, "SUN"); |
| if (!so.verify(kp.getPublic(), signature)) { |
| throw new RuntimeException("Verification failed"); |
| } |
| |
| kg = KeyPairGenerator.getInstance(DSA); |
| kg.initialize(KEY_SIZE); |
| kp = kg.genKeyPair(); |
| |
| if (so.verify(kp.getPublic(), signature)) { |
| throw new RuntimeException("Unexpected success"); |
| } |
| |
| Object copy = so.getObject(); |
| if (!original.equals(copy)) { |
| throw new RuntimeException("Signed object is not equal " |
| + "to original one: " + copy); |
| } |
| |
| /* |
| * The signed object is a copy of an original one. |
| * Once the copy is made, further manipulation |
| * of the original object shouldn't has any effect on the copy. |
| */ |
| original.set(MAGIC - 1); |
| copy = so.getObject(); |
| if (original.equals(copy)) { |
| throw new RuntimeException("Signed object is not a copy " |
| + "of original one: " + copy); |
| } |
| |
| System.out.println("Test passed"); |
| } |
| |
| private static class Test implements Serializable { |
| private int number = MAGIC; |
| |
| public int get() { |
| return number; |
| } |
| |
| public void set(int magic) { |
| this.number = magic; |
| } |
| |
| @Override |
| public int hashCode() { |
| return number; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null) { |
| return false; |
| } |
| |
| if (!(obj instanceof Test)) { |
| return false; |
| } |
| |
| Test other = (Test) obj; |
| return number == other.number; |
| } |
| |
| @Override |
| public String toString() { |
| return "" + number; |
| } |
| } |
| } |