cipherutil.java

mywork是rcp开发的很好的例子

package net.sf.util;

import net.sf.util.StringEncrypter.EncryptionException;


/**
 * 加解密程序
 * @author levin
 */
public class CipherUtil {
	private static StringEncrypter encrypter;
	public static final String PREFIX="ENC:";	//加密前缀
	public static final String SUFIX=":ENC";	//加密后缀
	
	static{
		try {
			encrypter=new StringEncrypter(StringEncrypter.DES_ENCRYPTION_SCHEME);
		} catch (EncryptionException e) {
			e.printStackTrace();
			;
		}
	}
	
	//加密
	public static String Encrypt(String plain){
		try {
			return encrypter.encrypt(plain);
		} catch (EncryptionException e) {
			return plain;
		}
	}
	//解密
	public static String Decrypt(String cipher){
		try {
			return encrypter.decrypt(cipher);
		} catch (EncryptionException e) {
			return cipher;
		}
	}
}