com.sshtools.client.components.DiffieHellmanGroupExchangeSha1JCE Maven / Gradle / Ivy
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
* .
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*/
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 DiffieHellmanGroupExchangeSha1JCE extends DiffieHellmanGroupExchange {
/**
* Constant for the algorithm name "diffie-hellman-group1-sha1".
*/
public static final String DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA1 = "diffie-hellman-group-exchange-sha1";
public static class DiffieHellmanGroupExchangeSha1JCEFactory implements SshKeyExchangeClientFactory {
@Override
public DiffieHellmanGroupExchangeSha1JCE create() throws NoSuchAlgorithmException, IOException {
return new DiffieHellmanGroupExchangeSha1JCE();
}
@Override
public String[] getKeys() {
return new String[] { DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA1 };
}
}
/**
* Construct an uninitialized instance.
*/
public DiffieHellmanGroupExchangeSha1JCE() {
super(DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA1, JCEAlgorithms.JCE_SHA1, SecurityLevel.WEAK, 1002);
}
}