| /* |
| * Copyright (c) 2002, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 4628062 4963723 |
| * @summary Verify that AES KeyGenerator supports default initialization |
| * when init is not called |
| * @author Valerie Peng |
| */ |
| import java.security.*; |
| import javax.crypto.*; |
| import java.util.*; |
| |
| public class Test4628062 { |
| |
| private static final int[] AES_SIZES = { 16, 24, 32 }; // in bytes |
| private static final int[] HMACSHA224_SIZES = { 28 }; |
| private static final int[] HMACSHA256_SIZES = { 32 }; |
| private static final int[] HMACSHA384_SIZES = { 48 }; |
| private static final int[] HMACSHA512_SIZES = { 64 }; |
| |
| public boolean execute(String algo, int[] keySizes) throws Exception { |
| KeyGenerator kg = KeyGenerator.getInstance(algo, "SunJCE"); |
| |
| // TEST FIX 4628062 |
| Key keyWithDefaultSize = kg.generateKey(); |
| byte[] encoding = keyWithDefaultSize.getEncoded(); |
| int defKeyLen = encoding.length ; |
| if (defKeyLen == 0) { |
| throw new Exception("default key length is 0!"); |
| } else if (defKeyLen != keySizes[0]) { |
| throw new Exception("default key length mismatch!"); |
| } |
| |
| // BONUS TESTS |
| if (keySizes.length > 1) { |
| // 1. call init(int keysize) with various valid key sizes |
| // and see if the generated key is the right size. |
| for (int i=0; i<keySizes.length; i++) { |
| kg.init(keySizes[i]*8); // in bits |
| Key key = kg.generateKey(); |
| if (key.getEncoded().length != keySizes[i]) { |
| throw new Exception("key is generated with the wrong length!"); |
| } |
| } |
| // 2. call init(int keysize) with invalid key size and see |
| // if the expected InvalidParameterException is thrown. |
| try { |
| kg.init(keySizes[0]*8+1); |
| } catch (InvalidParameterException ex) { |
| } catch (Exception ex) { |
| throw new Exception("wrong exception is thrown for invalid key size!"); |
| } |
| } |
| // passed all tests...hooray! |
| return true; |
| } |
| |
| public static void main (String[] args) throws Exception { |
| Test4628062 test = new Test4628062(); |
| String testName = test.getClass().getName(); |
| if (test.execute("AES", AES_SIZES)) { |
| System.out.println(testName + ": AES Passed!"); |
| } |
| if (test.execute("HmacSHA224", HMACSHA224_SIZES)) { |
| System.out.println(testName + ": HmacSHA224 Passed!"); |
| } |
| if (test.execute("HmacSHA256", HMACSHA256_SIZES)) { |
| System.out.println(testName + ": HmacSHA256 Passed!"); |
| } |
| if (test.execute("HmacSHA384", HMACSHA384_SIZES)) { |
| System.out.println(testName + ": HmacSHA384 Passed!"); |
| } |
| if (test.execute("HmacSHA512", HMACSHA512_SIZES)) { |
| System.out.println(testName + ": HmacSHA512 Passed!"); |
| } |
| } |
| } |