net.jradius.client.auth.EAPMD5Authenticator Maven / Gradle / Ivy
The newest version!
/**
* JRadius - A RADIUS Server Java Adapter
* Copyright (C) 2004-2005 PicoPoint, B.V.
* Copyright (c) 2006 David Bird
*
* This library 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 2.1 of the License, or (at
* your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package net.jradius.client.auth;
import java.security.NoSuchAlgorithmException;
import net.jradius.util.CHAP;
/**
* EAP-MD5 Authentication.
*
* @author David Bird
*/
public class EAPMD5Authenticator extends EAPAuthenticator
{
public static final String NAME = "eap-md5";
public EAPMD5Authenticator()
{
setEAPType(EAP_MD5);
}
/**
* @see net.sf.jradius.client.auth.RadiusAuthenticator#getAuthName()
*/
public String getAuthName()
{
return NAME;
}
public byte[] doEAPType(byte id, byte[] data) throws NoSuchAlgorithmException
{
byte md5len = data[0];
byte[] md5data = new byte[md5len];
System.arraycopy(data, 1, md5data, 0, md5len);
byte[] response = new byte[17];
response[0] = 16;
System.arraycopy(CHAP.chapMD5(id, getPassword(), md5data), 0, response, 1, 16);
return response;
}
}