/* * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU 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 Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ package com.l2jserver.gameserver.network.gameserverpackets; import java.io.IOException; import java.security.GeneralSecurityException; import java.security.interfaces.RSAPublicKey; import java.util.logging.Logger; import javax.crypto.Cipher; import com.l2jserver.util.network.BaseSendablePacket; /** * @author -Wooden- * */ public class BlowFishKey extends BaseSendablePacket { private static Logger _log = Logger.getLogger(BlowFishKey.class.getName()); /** * @param blowfishKey * @param publicKey */ public BlowFishKey(byte[] blowfishKey, RSAPublicKey publicKey) { writeC(0x00); byte[] encrypted =null; try { Cipher rsaCipher = Cipher.getInstance("RSA/ECB/nopadding"); rsaCipher.init(Cipher.ENCRYPT_MODE, publicKey); encrypted = rsaCipher.doFinal(blowfishKey); } catch(GeneralSecurityException e) { _log.severe("Error While encrypting blowfish key for transmision (Crypt error)"); e.printStackTrace(); } writeD(encrypted.length); writeB(encrypted); } /* (non-Javadoc) * @see com.l2jserver.gameserver.gameserverpackets.GameServerBasePacket#getContent() */ @Override public byte[] getContent() throws IOException { return getBytes(); } }