/*
* Copyright (c) 2003, The Joust Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of the Joust Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* File created by keith @ Sep 29, 2003
*
*/
package edu.tufts.vue.collab.im.security;
import net.kano.joscar.ByteBlock;
import net.kano.joscar.snaccmd.FullRoomInfo;
import javax.crypto.SecretKey;
import java.security.cert.X509Certificate;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.InetAddress;
public abstract class SecureSession {
public static final SecureSession getInstance() {
try {
Class cl = Class.forName(
"net.kano.joscardemo.security.BCSecureSession");
return (SecureSession) cl.newInstance();
} catch (Exception e) { }
System.out.println("[couldn't load security package; using null "
+ "security session class]");
return new NullSecureSession();
}
public abstract X509Certificate getMyCertificate();
public abstract void setCert(String sn, X509Certificate cert);
public abstract X509Certificate getCert(String sn);
public abstract boolean hasCert(String sn);
public abstract void setChatKey(String roomName, SecretKey chatKey);
public abstract SecretKey getChatKey(String chat);
public abstract ByteBlock genChatSecurityInfo(FullRoomInfo chatInfo, String sn)
throws SecureSessionException;
public abstract ByteBlock encryptIM(String sn, String msg)
throws SecureSessionException;
public abstract String parseChatMessage(String chat, String sn, ByteBlock data)
throws SecureSessionException;
public abstract SecretKey extractChatKey(String sn, ByteBlock data)
throws SecureSessionException;
public abstract String decodeEncryptedIM(String sn, ByteBlock encData)
throws SecureSessionException;
public abstract byte[] encryptChatMsg(String chat, String msg)
throws SecureSessionException;
public abstract ServerSocket createSSLServerSocket(String sn)
throws SecureSessionException;
public abstract Socket createSecureSocket(InetAddress address, int port)
throws SecureSessionException;
public abstract void generateKey(String chat) throws SecureSessionException;
}