113 lines
3.4 KiB
Java
113 lines
3.4 KiB
Java
/*
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* Copyright (c) 2013, 2016, 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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* Portions Copyright (c) 2013 IBM Corporation
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*/
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/*
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* @test
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* @bug 8014620 8130181
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* @summary Signature.getAlgorithm return null in special case
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* @run main/othervm SignatureGetAlgorithm
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* @author youdwei
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*/
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import java.security.*;
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public class SignatureGetAlgorithm {
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public static void main(String[] args) throws Exception {
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Provider testProvider = new TestProvider();
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Security.addProvider(testProvider);
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Signature sig = Signature.getInstance("MySignatureAlg");
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String algorithm = sig.getAlgorithm();
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System.out.println("Algorithm Name: " + algorithm);
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if (algorithm == null) {
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throw new Exception("algorithm name should be 'MySignatureAlg'");
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}
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}
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public static class TestProvider extends Provider {
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TestProvider() {
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super("testSignatureGetAlgorithm", "1.0", "test Signatures");
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put("Signature.MySignatureAlg",
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"SignatureGetAlgorithm$MySignatureAlg");
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}
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}
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public static class MySignatureAlg extends Signature {
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public MySignatureAlg() {
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super(null);
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}
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MySignatureAlg(String s) {
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super(s);
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}
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@Override
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protected void engineInitVerify(PublicKey publicKey)
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throws InvalidKeyException {
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}
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@Override
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protected void engineInitSign(PrivateKey privateKey)
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throws InvalidKeyException {
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}
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@Override
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protected void engineUpdate(byte b) throws SignatureException {
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}
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@Override
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protected void engineUpdate(byte[] b, int off, int len)
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throws SignatureException {
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}
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@Override
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protected byte[] engineSign()
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throws SignatureException {
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return new byte[0];
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}
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@Override
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protected boolean engineVerify(byte[] sigBytes)
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throws SignatureException {
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return false;
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}
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@Override
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@Deprecated
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protected void engineSetParameter(String param, Object value)
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throws InvalidParameterException {
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}
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@Override
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@Deprecated
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protected Object engineGetParameter(String param)
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throws InvalidParameterException {
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return null;
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}
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}
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}
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