/*
 * 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.client.kex;

import org.apache.sshd.common.KeyExchange;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.cipher.ECCurves;
import org.apache.sshd.common.kex.AbstractDH;
import org.apache.sshd.common.kex.ECDH;

/**
 * Elliptic Curve Diffie-Hellman with NIST P-256 curve.
 *
 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
 */
public class ECDHP256 extends AbstractDHGClient {

    public static class Factory implements NamedFactory<KeyExchange> {

        public String getName() {
            return "ecdh-sha2-nistp256";
        }

        public KeyExchange create() {
            return new ECDHP256();
        }

    }

    @Override
    protected AbstractDH getDH() throws Exception {
        ECDH ecdh = new ECDH();
        ecdh.setCurveParameters(ECCurves.EllipticCurves.nistp256);
        return ecdh;
    }

}
