com.sshtools.client.components.DiffieHellmanGroupExchangeSha256JCE Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of maverick-synergy-client Show documentation

The client-side implementation for the Maverick Synergy SSH API

The newest version!

package com.sshtools.client.components;

/*-
 * #%L
 * Client API
 * %%
 * Copyright (C) 2002 - 2024 JADAPTIVE Limited
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.io.IOException;
import java.security.NoSuchAlgorithmException;

import com.sshtools.client.SshKeyExchangeClientFactory;
import com.sshtools.common.ssh.SecurityLevel;
import com.sshtools.common.ssh.components.jce.JCEAlgorithms;

/**
 * Implementation of the required SSH Transport Protocol key exchange method
 * "diffie-hellman-group-exchange-sha1".
 */
public class DiffieHellmanGroupExchangeSha256JCE extends DiffieHellmanGroupExchange {

	/**
	 * Constant for the algorithm name "diffie-hellman-exchange-sha256".
	 */
	public static final String DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA256 = "diffie-hellman-group-exchange-sha256";

	public static class DiffieHellmanGroupExchangeSha256JCEFactory implements SshKeyExchangeClientFactory {
		@Override
		public DiffieHellmanGroupExchangeSha256JCE create() throws NoSuchAlgorithmException, IOException {
			return new DiffieHellmanGroupExchangeSha256JCE();
		}

		@Override
		public String[] getKeys() {
			return new String[] { DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA256 };
		}
	}
	
	/**
	 * Construct an uninitialized instance.
	 */
	public DiffieHellmanGroupExchangeSha256JCE() {
		super(DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA256, JCEAlgorithms.JCE_SHA256, SecurityLevel.STRONG, 2003);
	}

}