Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.sshd.common.config.keys.loader.pem; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.security.GeneralSecurityException; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.PrivateKey; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.List; import org.apache.commons.ssl.PEMItem; import org.apache.commons.ssl.PEMUtil; import org.apache.sshd.common.config.keys.KeyUtils; import org.apache.sshd.common.util.security.SecurityUtils; import org.apache.sshd.util.test.BaseTestSupport; import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory; import org.junit.FixMethodOrder; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.MethodSorters; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; import org.junit.runners.Parameterized.UseParametersRunnerFactory; /** * TODO Add javadoc * * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> */ @RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests @UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class) @FixMethodOrder(MethodSorters.NAME_ASCENDING) public class PKCS8PEMResourceKeyPairParserTest extends BaseTestSupport { private final String algorithm; private final int keySize; public PKCS8PEMResourceKeyPairParserTest(String algorithm, int keySize) { this.algorithm = algorithm; this.keySize = keySize; } @Parameters(name = "{0} / {1}") public static List<Object[]> parameters() { return Collections.unmodifiableList(new ArrayList<Object[]>() { // Not serializing it private static final long serialVersionUID = 1L; { addTestCases(KeyUtils.RSA_ALGORITHM, RSA_SIZES); addTestCases(KeyUtils.DSS_ALGORITHM, DSS_SIZES); // TODO add test cases for ECDSA } private void addTestCases(String algorithm, Collection<Integer> keySizes) { for (Integer ks : keySizes) { add(new Object[] { algorithm, ks }); } } }); } @Test // see SSHD-760 public void testPkcs8() throws IOException, GeneralSecurityException { KeyPairGenerator generator = SecurityUtils.getKeyPairGenerator(algorithm); if (keySize > 0) { generator.initialize(keySize); } KeyPair kp = generator.generateKeyPair(); try (ByteArrayOutputStream os = new ByteArrayOutputStream()) { Collection<Object> items = new ArrayList<>(); PrivateKey prv1 = kp.getPrivate(); items.add(new PEMItem(prv1.getEncoded(), "PRIVATE KEY")); byte[] bytes = PEMUtil.encode(items); os.write(bytes); os.close(); try (ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { KeyPair kp2 = SecurityUtils.loadKeyPairIdentity(getCurrentTestName(), bais, null); assertEquals("Mismatched public key", kp.getPublic(), kp2.getPublic()); assertEquals("Mismatched private key", prv1, kp2.getPrivate()); } } } @Override public String toString() { return getClass().getSimpleName() + "[" + algorithm + "/" + keySize + "]"; } }