org.apache.sshd.common.util.security.bouncycastle.BouncyCastleGeneratorHostKeyProvider Maven / Gradle / Ivy
/*
* 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.util.security.bouncycastle;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import org.apache.sshd.common.NamedResource;
import org.apache.sshd.common.util.io.IoUtils;
import org.apache.sshd.server.keyprovider.AbstractGeneratorHostKeyProvider;
import org.bouncycastle.openssl.jcajce.JcaPEMWriter;
/**
* @author Apache MINA SSHD Project
*/
public class BouncyCastleGeneratorHostKeyProvider extends AbstractGeneratorHostKeyProvider {
public BouncyCastleGeneratorHostKeyProvider(Path path) {
setPath(path);
}
@Override
protected void doWriteKeyPair(NamedResource resourceKey, KeyPair kp, OutputStream outputStream)
throws IOException, GeneralSecurityException {
writePEMKeyPair(kp, outputStream);
}
public static void writePEMKeyPair(KeyPair kp, Path targetPath) throws IOException {
writePEMKeyPair(kp, targetPath, IoUtils.EMPTY_OPEN_OPTIONS);
}
public static void writePEMKeyPair(
KeyPair kp, Path targetPath, OpenOption... options)
throws IOException {
try (OutputStream os = Files.newOutputStream(targetPath, options)) {
writePEMKeyPair(kp, os);
}
}
public static void writePEMKeyPair(KeyPair kp, OutputStream outputStream) throws IOException {
try (JcaPEMWriter w = new JcaPEMWriter(
new OutputStreamWriter(outputStream, StandardCharsets.UTF_8))) {
w.writeObject(kp);
w.flush();
}
}
}