/*
* Copyright (C)2009 - SSHJ Contributors
*
* Licensed 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 net.schmizz.sshj.transport.kex;
import net.schmizz.sshj.transport.digest.SHA1;
import javax.crypto.spec.DHParameterSpec;
import java.security.GeneralSecurityException;
/**
* Diffie-Hellman key exchange with SHA-1 and Oakley Group 2 [RFC2409] (1024-bit MODP Group).
*
* @see <a href="http://www.ietf.org/rfc/rfc4253.txt">RFC 4253</a>
*
* TODO refactor away the (unneeded) class
* @deprecated Replaced by {@link com.hierynomus.sshj.transport.kex.DHG} with {@link com.hierynomus.sshj.transport.kex.DHGroups}
*/
public class DHG1
extends AbstractDHG {
/** Named factory for DHG1 key exchange */
public static class Factory
implements net.schmizz.sshj.common.Factory.Named<KeyExchange> {
@Override
public KeyExchange create() {
return new DHG1();
}
@Override
public String getName() {
return "diffie-hellman-group1-sha1";
}
}
public DHG1() {
super(new DH(), new SHA1());
}
@Override
protected void initDH(DHBase dh) throws GeneralSecurityException {
dh.init(new DHParameterSpec(DHGroupData.P1, DHGroupData.G), trans.getConfig().getRandomFactory());
}
}