| /* |
| * Copyright (c) 2013, 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 7196382 8072452 |
| * @summary Ensure that DH key pairs can be generated for 512 - 8192 bits |
| * @author Valerie Peng |
| * @library .. |
| * @modules jdk.crypto.cryptoki |
| * @run main/othervm TestDH2048 |
| * @run main/othervm TestDH2048 sm |
| */ |
| |
| import java.security.InvalidParameterException; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.Provider; |
| |
| public class TestDH2048 extends PKCS11Test { |
| |
| private static void checkUnsupportedKeySize(KeyPairGenerator kpg, int ks) |
| throws Exception { |
| try { |
| kpg.initialize(ks); |
| throw new Exception("Expected IPE not thrown for " + ks); |
| } catch (InvalidParameterException ipe) { |
| } |
| } |
| |
| @Override |
| public void main(Provider p) throws Exception { |
| if (p.getService("KeyPairGenerator", "DH") == null) { |
| System.out.println("KPG for DH not supported, skipping"); |
| return; |
| } |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH", p); |
| kpg.initialize(512); |
| KeyPair kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(768); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(1024); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(1536); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(2048); |
| kp1 = kpg.generateKeyPair(); |
| |
| try { |
| kpg.initialize(3072); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(4096); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(6144); |
| kp1 = kpg.generateKeyPair(); |
| |
| kpg.initialize(8192); |
| kp1 = kpg.generateKeyPair(); |
| } catch (InvalidParameterException ipe) { |
| // NSS (as of version 3.13) has a hard coded maximum limit |
| // of 2236 or 3072 bits for DHE keys. |
| System.out.println("4096-bit DH key pair generation: " + ipe); |
| if (!p.getName().equals("SunPKCS11-NSS")) { |
| throw ipe; |
| } |
| } |
| |
| // key size must be multiples of 64 though |
| checkUnsupportedKeySize(kpg, 2048 + 63); |
| checkUnsupportedKeySize(kpg, 3072 + 32); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| main(new TestDH2048(), args); |
| } |
| } |