/*
* 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.server.keyprovider;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.nio.file.Path;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.spec.InvalidKeySpecException;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class SimpleGeneratorHostKeyProvider extends AbstractGeneratorHostKeyProvider {
public SimpleGeneratorHostKeyProvider() {
super();
}
public SimpleGeneratorHostKeyProvider(File file) {
this((file == null) ? null : file.toPath());
}
public SimpleGeneratorHostKeyProvider(Path path) {
setPath(path);
}
@Override
protected KeyPair doReadKeyPair(String resourceKey, InputStream inputStream) throws IOException, GeneralSecurityException {
try (ObjectInputStream r = new ObjectInputStream(inputStream)) {
try {
return (KeyPair) r.readObject();
} catch (ClassNotFoundException e) {
throw new InvalidKeySpecException("Missing classes: " + e.getMessage(), e);
}
}
}
@Override
protected void doWriteKeyPair(String resourceKey, KeyPair kp, OutputStream outputStream) throws IOException, GeneralSecurityException {
try (ObjectOutputStream w = new ObjectOutputStream(outputStream)) {
w.writeObject(kp);
}
}
}