/*
* 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.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.security.KeyPair;
import org.bouncycastle.openssl.PEMDecryptorProvider;
import org.bouncycastle.openssl.PEMEncryptedKeyPair;
import org.bouncycastle.openssl.PEMKeyPair;
import org.bouncycastle.openssl.PEMParser;
import org.bouncycastle.openssl.PEMWriter;
import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class PEMGeneratorHostKeyProvider extends AbstractGeneratorHostKeyProvider {
public PEMGeneratorHostKeyProvider() {
}
public PEMGeneratorHostKeyProvider(String path) {
super(path);
}
public PEMGeneratorHostKeyProvider(String path, String algorithm) {
super(path, algorithm);
}
public PEMGeneratorHostKeyProvider(String path, String algorithm, int keySize) {
super(path, algorithm, keySize);
}
protected KeyPair doReadKeyPair(InputStream is) throws Exception {
PEMParser r = new PEMParser(new InputStreamReader(is));
Object o = r.readObject();
JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
pemConverter.setProvider("BC");
if (o instanceof PEMKeyPair) {
o = pemConverter.getKeyPair((PEMKeyPair)o);
return (KeyPair) o;
} else if (o instanceof KeyPair) {
return (KeyPair) o;
}
return null;
}
protected void doWriteKeyPair(KeyPair kp, OutputStream os) throws Exception {
PEMWriter w = new PEMWriter(new OutputStreamWriter(os));
w.writeObject(kp);
w.flush();
}
}