131 lines
4.4 KiB
Java
131 lines
4.4 KiB
Java
/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 7031343
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* @summary Provide API changes to support GCM AEAD ciphers
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* @author Brad Wetmore
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*/
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import javax.crypto.AEADBadTagException;
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import javax.crypto.spec.GCMParameterSpec;
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import java.util.Arrays;
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public class GCMParameterSpecTest {
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// 16 elements
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private static byte[] bytes = new byte[] {
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f };
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private static int failed = 0;
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public static void main(String[] args) throws Exception {
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newGCMParameterSpecFail(-1, bytes);
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newGCMParameterSpecFail(128, null);
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newGCMParameterSpecPass(128, bytes);
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newGCMParameterSpecFail(-1, bytes, 2, 4);
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newGCMParameterSpecFail(128, null, 2, 4);
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newGCMParameterSpecFail(128, bytes, -2, 4);
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newGCMParameterSpecFail(128, bytes, 2, -4);
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newGCMParameterSpecFail(128, bytes, 2, 15); // one too many
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newGCMParameterSpecPass(128, bytes, 2, 14); // ok.
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newGCMParameterSpecPass(96, bytes, 4, 4);
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newGCMParameterSpecPass(96, bytes, 0, 0);
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// Might as well check the Exception constructors.
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try {
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new AEADBadTagException();
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new AEADBadTagException("Bad Tag Seen");
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} catch (Exception e) {
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e.printStackTrace();
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failed++;
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}
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if (failed != 0) {
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throw new Exception("Test(s) failed");
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}
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}
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private static void newGCMParameterSpecPass(
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int tLen, byte[] src) {
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try {
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GCMParameterSpec gcmps = new GCMParameterSpec(tLen, src);
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if (gcmps.getTLen() != tLen) {
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throw new Exception("tLen's not equal");
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}
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if (!Arrays.equals(gcmps.getIV(), src)) {
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throw new Exception("IV's not equal");
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}
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} catch (Exception e) {
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e.printStackTrace();
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failed++;
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}
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}
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private static void newGCMParameterSpecFail(
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int tLen, byte[] src) {
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try {
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new GCMParameterSpec(tLen, src);
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new Exception("Didn't Fail as Expected").printStackTrace();
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failed++;
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} catch (IllegalArgumentException e) {
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// swallow
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}
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}
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private static void newGCMParameterSpecPass(
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int tLen, byte[] src, int offset, int len) {
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try {
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GCMParameterSpec gcmps =
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new GCMParameterSpec(tLen, src, offset, len);
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if (gcmps.getTLen() != tLen) {
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throw new Exception("tLen's not equal");
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}
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if (!Arrays.equals(gcmps.getIV(),
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Arrays.copyOfRange(src, offset, offset + len))) {
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System.out.println(offset + " " + len);
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System.out.println(Arrays.copyOfRange(src, offset, len)[0]);
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throw new Exception("IV's not equal");
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}
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} catch (Exception e) {
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e.printStackTrace();
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failed++;
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}
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}
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private static void newGCMParameterSpecFail(
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int tLen, byte[] src, int offset, int len) {
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try {
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new GCMParameterSpec(tLen, src, offset, len);
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new Exception("Didn't Fail as Expected").printStackTrace();
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failed++;
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} catch (IllegalArgumentException e) {
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// swallow
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}
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}
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}
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