124 lines
4.5 KiB
Java
124 lines
4.5 KiB
Java
/*
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* Copyright (c) 2004, 2021, 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 4953556 8210838 8248268
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* @summary ensure that IllegalStateException is thrown if the
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* Cipher object is initialized with a wrong mode, e.g. WRAP_MODE
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* for update()/doFinal() calls.
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* @author Valerie Peng
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*/
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import java.security.*;
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import java.security.spec.*;
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import javax.crypto.*;
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import javax.crypto.spec.SecretKeySpec;
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public class TestCipherMode {
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private static final String[] TRANSFORMATIONS = {
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"DES/ECB/PKCS5Padding",
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"AES/KW/NoPadding",
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"AES/KW/PKCS5Padding",
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"AES/KWP/NoPadding",
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};
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private static final SecretKey DES_KEY =
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new SecretKeySpec(new byte[8], "DES");
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private static final SecretKey AES_KEY =
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new SecretKeySpec(new byte[16], "AES");
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public static void main(String[] argv) throws Exception {
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for (String t : TRANSFORMATIONS) {
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System.out.println("Testing SunJCE provider, Cipher " + t );
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TestCipherMode test = new TestCipherMode(t);
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System.out.println("Testing ENCRYPT_MODE...");
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test.checkMode(Cipher.ENCRYPT_MODE, "encryption");
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System.out.println("Testing DECRYPT_MODE...");
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test.checkMode(Cipher.DECRYPT_MODE, "decryption");
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System.out.println("Testing WRAP_MODE...");
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test.checkMode(Cipher.WRAP_MODE, "key wrapping");
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System.out.println("Testing UNWRAP_MODE...");
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test.checkMode(Cipher.UNWRAP_MODE, "key unwrapping");
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}
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System.out.println("All Tests Passed");
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}
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private Cipher c = null;
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private SecretKey key = null;
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private TestCipherMode(String transformation)
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throws NoSuchAlgorithmException, NoSuchProviderException,
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NoSuchPaddingException {
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c = Cipher.getInstance(transformation, "SunJCE");
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this.key = switch (transformation.split("/")[0]) {
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case "DES" -> DES_KEY;
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case "AES" -> AES_KEY;
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default -> throw new RuntimeException
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("Error: Unsupported key algorithm");
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};
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}
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private void checkMode(int mode, String opString) throws Exception {
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c.init(mode, key);
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switch (mode) {
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case Cipher.ENCRYPT_MODE:
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case Cipher.DECRYPT_MODE:
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// call wrap()/unwrap() and see if ISE is thrown.
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try {
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c.wrap(key);
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throw new Exception("ERROR: should throw ISE for wrap()");
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} catch (IllegalStateException ise) {
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System.out.println("expected ISE is thrown for wrap()");
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}
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try {
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c.unwrap(new byte[16], key.getAlgorithm(), Cipher.SECRET_KEY);
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throw new Exception("ERROR: should throw ISE for unwrap()");
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} catch (IllegalStateException ise) {
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System.out.println("expected ISE is thrown for unwrap()");
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}
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break;
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case Cipher.WRAP_MODE:
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case Cipher.UNWRAP_MODE:
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try {
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c.update(new byte[16]);
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throw new Exception("ERROR: should throw ISE for update()");
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} catch (IllegalStateException ise) {
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System.out.println("expected ISE is thrown for update()");
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}
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try {
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c.doFinal();
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throw new Exception("ERROR: should throw ISE for doFinal()");
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} catch (IllegalStateException ise) {
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System.out.println("expected ISE is thrown for doFinal()");
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}
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break;
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}
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}
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}
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