/*
* 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.kex;
import java.math.BigInteger;
import org.apache.sshd.common.KeyExchange;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.digest.SHA256;
import org.apache.sshd.common.kex.DH;
/**
* Server side Diffie Hellman Group Exchange
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class DHGEX256 extends DHGEX {
public static class Factory implements NamedFactory<KeyExchange> {
public String getName() {
return "diffie-hellman-group-exchange-sha256";
}
public KeyExchange create() {
return new DHGEX256();
}
}
@Override
protected DH getDH(BigInteger p, BigInteger g) throws Exception {
DH dh = new DH(new SHA256.Factory());
dh.setP(p);
dh.setG(g);
return dh;
}
}