/**
* 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.whirr.ssh;
import java.io.ByteArrayOutputStream;
import java.util.Map;
import com.google.common.collect.ImmutableMap;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
/**
* A convenience class for generating an RSA key pair.
*/
public class KeyPair {
/**
* return a "public" -> rsa public key, "private" -> its corresponding
* private key
*/
public static Map<String,String> generate() throws JSchException {
com.jcraft.jsch.KeyPair pair = com.jcraft.jsch.KeyPair.genKeyPair(
new JSch(), com.jcraft.jsch.KeyPair.RSA);
ByteArrayOutputStream publicKeyOut = new ByteArrayOutputStream();
ByteArrayOutputStream privateKeyOut = new ByteArrayOutputStream();
pair.writePublicKey(publicKeyOut, "whirr");
pair.writePrivateKey(privateKeyOut);
String publicKey = new String(publicKeyOut.toByteArray());
String privateKey = new String(privateKeyOut.toByteArray());
return ImmutableMap.<String, String> of("public", publicKey,
"private", privateKey);
}
}