| /* |
| * Copyright (c) 2003, 2007, 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 4923484 |
| * @summary test ASN.1 encoding generation/parsing for the OAEPParameters |
| * implementation in SunJCE provider. |
| * @author Valerie Peng |
| */ |
| import java.math.BigInteger; |
| import java.util.*; |
| import java.security.*; |
| import java.security.spec.MGF1ParameterSpec; |
| import javax.crypto.*; |
| import javax.crypto.spec.OAEPParameterSpec; |
| import javax.crypto.spec.PSource; |
| |
| public class TestOAEPParameterSpec { |
| |
| private static Provider cp; |
| |
| private static boolean runTest(String mdName, MGF1ParameterSpec mgfSpec, |
| byte[] p) throws Exception { |
| OAEPParameterSpec spec = new OAEPParameterSpec(mdName, "MGF1", |
| mgfSpec, new PSource.PSpecified(p)); |
| cp = Security.getProvider("SunJCE"); |
| System.out.println("Testing provider " + cp.getName() + "..."); |
| AlgorithmParameters ap = AlgorithmParameters.getInstance("OAEP", cp); |
| |
| ap.init(spec); |
| byte[] encoding = ap.getEncoded(); |
| |
| AlgorithmParameters ap2 = AlgorithmParameters.getInstance("OAEP", cp); |
| ap2.init(encoding); |
| |
| OAEPParameterSpec spec2 = (OAEPParameterSpec) ap2.getParameterSpec |
| (OAEPParameterSpec.class); |
| return compareSpec(spec, spec2); |
| } |
| |
| private static boolean compareMD(OAEPParameterSpec s1, |
| OAEPParameterSpec s2) { |
| boolean result = false; |
| String alg1 = s1.getDigestAlgorithm().toUpperCase().trim(); |
| String alg2 = s2.getDigestAlgorithm().toUpperCase().trim(); |
| alg1 = alg1.replaceAll("\\-", ""); |
| alg2 = alg2.replaceAll("\\-", ""); |
| if (alg1.equals("SHA") || alg1.equals("SHA1")) { |
| result = (alg2.equals("SHA") || alg2.equals("SHA1")); |
| } else { |
| result = (alg1.equals(alg2)); |
| } |
| return result; |
| } |
| |
| |
| private static boolean compareMGF(OAEPParameterSpec s1, |
| OAEPParameterSpec s2) { |
| String alg1 = s1.getMGFAlgorithm(); |
| String alg2 = s2.getMGFAlgorithm(); |
| if (alg1.equals(alg2)) { |
| MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters(); |
| MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters(); |
| alg1 = mp1.getDigestAlgorithm(); |
| alg2 = mp2.getDigestAlgorithm(); |
| if (alg1.equals(alg2)) { |
| return true; |
| } else { |
| System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2); |
| return false; |
| } |
| } else { |
| System.out.println("MGF algos: " + alg1 + " vs " + alg2); |
| return false; |
| } |
| } |
| |
| private static boolean comparePSource(OAEPParameterSpec s1, |
| OAEPParameterSpec s2) { |
| PSource src1 = s1.getPSource(); |
| PSource src2 = s2.getPSource(); |
| String alg1 = src1.getAlgorithm(); |
| String alg2 = src2.getAlgorithm(); |
| if (alg1.equals(alg2)) { |
| // assumes they are PSource.PSpecified |
| return Arrays.equals(((PSource.PSpecified) src1).getValue(), |
| ((PSource.PSpecified) src2).getValue()); |
| } else { |
| System.out.println("PSource algos: " + alg1 + " vs " + alg2); |
| return false; |
| } |
| } |
| |
| private static boolean compareSpec(OAEPParameterSpec s1, |
| OAEPParameterSpec s2) { |
| return (compareMD(s1, s2) && compareMGF(s1, s2) && |
| comparePSource(s1, s2)); |
| } |
| |
| public static void main(String[] argv) throws Exception { |
| boolean status = true; |
| byte[] p = { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04 }; |
| status &= runTest("SHA-256", MGF1ParameterSpec.SHA256, p); |
| status &= runTest("SHA-384", MGF1ParameterSpec.SHA384, p); |
| status &= runTest("SHA-512", MGF1ParameterSpec.SHA512, p); |
| status &= runTest("SHA", MGF1ParameterSpec.SHA1, new byte[0]); |
| status &= runTest("SHA-1", MGF1ParameterSpec.SHA1, new byte[0]); |
| status &= runTest("SHA1", MGF1ParameterSpec.SHA1, new byte[0]); |
| if (status) { |
| System.out.println("Test Passed"); |
| } else { |
| throw new Exception("One or More Test Failed"); |
| } |
| } |
| } |