| /* |
| * Copyright (c) 2011, 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 7031343 |
| * @summary Provide API changes to support GCM AEAD ciphers |
| * @author Brad Wetmore |
| */ |
| |
| import javax.crypto.AEADBadTagException; |
| import javax.crypto.spec.GCMParameterSpec; |
| import java.util.Arrays; |
| |
| public class GCMParameterSpecTest { |
| |
| // 16 elements |
| private static byte[] bytes = new byte[] { |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }; |
| |
| private static int failed = 0; |
| |
| public static void main(String[] args) throws Exception { |
| newGCMParameterSpecFail(-1, bytes); |
| newGCMParameterSpecFail(128, null); |
| newGCMParameterSpecPass(128, bytes); |
| |
| newGCMParameterSpecFail(-1, bytes, 2, 4); |
| newGCMParameterSpecFail(128, null, 2, 4); |
| newGCMParameterSpecFail(128, bytes, -2, 4); |
| newGCMParameterSpecFail(128, bytes, 2, -4); |
| newGCMParameterSpecFail(128, bytes, 2, 15); // one too many |
| |
| newGCMParameterSpecPass(128, bytes, 2, 14); // ok. |
| newGCMParameterSpecPass(96, bytes, 4, 4); |
| newGCMParameterSpecPass(96, bytes, 0, 0); |
| |
| // Might as well check the Exception constructors. |
| try { |
| new AEADBadTagException(); |
| new AEADBadTagException("Bad Tag Seen"); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| failed++; |
| } |
| |
| if (failed != 0) { |
| throw new Exception("Test(s) failed"); |
| } |
| } |
| |
| private static void newGCMParameterSpecPass( |
| int tLen, byte[] src) { |
| try { |
| GCMParameterSpec gcmps = new GCMParameterSpec(tLen, src); |
| if (gcmps.getTLen() != tLen) { |
| throw new Exception("tLen's not equal"); |
| } |
| if (!Arrays.equals(gcmps.getIV(), src)) { |
| throw new Exception("IV's not equal"); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| failed++; |
| } |
| } |
| |
| private static void newGCMParameterSpecFail( |
| int tLen, byte[] src) { |
| try { |
| new GCMParameterSpec(tLen, src); |
| new Exception("Didn't Fail as Expected").printStackTrace(); |
| failed++; |
| } catch (IllegalArgumentException e) { |
| // swallow |
| } |
| } |
| |
| private static void newGCMParameterSpecPass( |
| int tLen, byte[] src, int offset, int len) { |
| try { |
| GCMParameterSpec gcmps = |
| new GCMParameterSpec(tLen, src, offset, len); |
| if (gcmps.getTLen() != tLen) { |
| throw new Exception("tLen's not equal"); |
| } |
| if (!Arrays.equals(gcmps.getIV(), |
| Arrays.copyOfRange(src, offset, offset + len))) { |
| System.out.println(offset + " " + len); |
| System.out.println(Arrays.copyOfRange(src, offset, len)[0]); |
| throw new Exception("IV's not equal"); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| failed++; |
| } |
| } |
| |
| private static void newGCMParameterSpecFail( |
| int tLen, byte[] src, int offset, int len) { |
| try { |
| new GCMParameterSpec(tLen, src, offset, len); |
| new Exception("Didn't Fail as Expected").printStackTrace(); |
| failed++; |
| } catch (IllegalArgumentException e) { |
| // swallow |
| } |
| } |
| } |