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/*
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 * Licensed to the Apache Software Foundation (ASF) under one
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 * or more contributor license agreements.  See the NOTICE file
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 * distributed with this work for additional information
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 * regarding copyright ownership.  The ASF licenses this file
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 * to you under the Apache License, Version 2.0 (the
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 * "License"); you may not use this file except in compliance
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 * with the License.  You may obtain a copy of the License at
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 *
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing,
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 * software distributed under the License is distributed on an
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * KIND, either express or implied.  See the License for the
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 * specific language governing permissions and limitations
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 * under the License.
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 */
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package org.apache.sshd.server.kex;
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import java.math.BigInteger;
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import org.apache.sshd.common.KeyExchange;
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import org.apache.sshd.common.NamedFactory;
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import org.apache.sshd.common.digest.SHA256;
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import org.apache.sshd.common.kex.DH;
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/**
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 * Server side Diffie Hellman Group Exchange
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 *
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 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
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 */
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public class DHGEX256 extends DHGEX {
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    public static class Factory implements NamedFactory<KeyExchange> {
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        public String getName() {
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            return "diffie-hellman-group-exchange-sha256";
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        }
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        public KeyExchange create() {
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            return new DHGEX256();
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        }
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    }
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    @Override
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    protected DH getDH(BigInteger p, BigInteger g) throws Exception {
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        DH dh = new DH(new SHA256.Factory());
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        dh.setP(p);
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        dh.setG(g);
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        return dh;
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    }
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}