Java 3D Desktop Environment旨在使用Java 3D来创建一个3D桌面环境。功能包括：分布式的应用程序

				package org.j3de.security;
				
				import java.security.PublicKey;
				import java.security.Signature;
				
				import javax.crypto.Cipher;
				 
				import  org.j3de.util.Configurable;
				
				public interface SecurityFactory extends Configurable {    
				  public PublicKey getPublicKey();
				  public Cipher    getDecodingCipher();
				  public Cipher    getEncodingCipher();
				  public Signature getSignature();
				  public Signature getVerifySignature(PublicKey sender);
				}