| /* |
| * Copyright (c) 2010, 2017, 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 6837847 |
| * @summary Ensure a deserialized PKCS#11 SecureRandom is functional. |
| * @library .. |
| * @modules jdk.crypto.cryptoki |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Provider; |
| import java.security.SecureRandom; |
| import java.security.Security; |
| |
| public class TestDeserialization extends PKCS11Test { |
| |
| public void main(Provider p) throws Exception { |
| // Skip this test for providers not found by java.security.Security |
| if (Security.getProvider(p.getName()) != p) { |
| System.out.println("Skip test for provider " + p.getName()); |
| return; |
| } |
| SecureRandom r; |
| try { |
| r = SecureRandom.getInstance("PKCS11", p); |
| System.out.println("SecureRandom instance " + r); |
| } catch (NoSuchAlgorithmException e) { |
| System.out.println("Provider " + p + |
| " does not support SecureRandom, skipping"); |
| e.printStackTrace(); |
| return; |
| } |
| r.setSeed(System.currentTimeMillis()); |
| byte[] buf = new byte[16]; |
| byte[] ser = toByteArray(r); |
| System.out.println("Serialized Len = " + ser.length); |
| SecureRandom r2 = fromByteArray(ser); |
| System.out.println("Deserialized into " + r2); |
| r2.nextBytes(buf); |
| System.out.println("Done"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| main(new TestDeserialization()); |
| } |
| |
| private byte[] toByteArray(SecureRandom r) throws Exception { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(1024); |
| ObjectOutputStream outStream = null; |
| try { |
| outStream = new ObjectOutputStream(out); |
| outStream.writeObject(r); |
| return out.toByteArray(); |
| } finally { |
| if (outStream != null) { |
| outStream.close(); |
| } |
| } |
| } |
| |
| private SecureRandom fromByteArray(byte[] buf) throws Exception { |
| SecureRandom r = null; |
| ByteArrayInputStream is = new ByteArrayInputStream(buf); |
| ObjectInputStream ois = null; |
| try { |
| ois = new ObjectInputStream(is); |
| r = (SecureRandom) ois.readObject(); |
| } finally { |
| if (ois != null) { |
| ois.close(); |
| } |
| } |
| return r; |
| } |
| } |