com.sshtools.ssh.components.NoneHmac Maven / Gradle / Ivy
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/**
* Copyright 2003-2016 SSHTOOLS Limited. All Rights Reserved.
*
* For product documentation visit https://www.sshtools.com/
*
* This file is part of J2SSH Maverick.
*
* J2SSH Maverick 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.
*
* J2SSH Maverick 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with J2SSH Maverick. If not, see .
*/
package com.sshtools.ssh.components;
import com.sshtools.ssh.SshException;
public class NoneHmac implements SshHmac {
public int getMacLength() {
return 0;
}
public void generate(long sequenceNo, byte[] data, int offset, int len,
byte[] output, int start) {
}
public void init(byte[] keydata) throws SshException {
}
public boolean verify(long sequenceNo, byte[] data, int start, int len,
byte[] mac, int offset) {
return true;
}
public void update(byte[] b) {
}
public byte[] doFinal() {
return new byte[0];
}
public String getAlgorithm() {
return "none";
}
}