哈工大CERP系统 java+weblogic实现

				package com.huiton.pub.tools;
				
				public class cerp_crypt{
				   // used to encode the input string
				   private static final int CRY_KEY = 15;
				
				   // used to limit the length of the final encoded_pass
				   private static final int STR_LEN = 32;
				
				   // used to change the cry_key to every byte
				   private static final int MUL_NUM = 3;
				
				   // encode pass
				   public static String get_encoded_pass(String s){
				        char [] buff1 = new char[STR_LEN];
				   	buff1 = s.toCharArray();
				   	int b_len = buff1.length;
				   	for (int i=0;i				   		buff1[i] = (char) ((int)buff1[i]^ (CRY_KEY+MUL_NUM*i));
				   	return new String(buff1);
				   }
				
				   // decode pass
				   public static String get_decoded_pass(String s){
				        char [] buff1 = new char[STR_LEN];
				   	buff1 = s.toCharArray();
				   	int b_len = buff1.length;
				   	for (int i=0;i				   		buff1[i] = (char) ((int)buff1[i]^ (CRY_KEY+MUL_NUM*i));
				   	return new String(buff1);
				   }
				
				   // test program
				   public static void main(String [] s){
				
				   	for(int len=s.length, i=0; i				   	{
				   		System.out.println("input is="+s[i]);
				   		String t = get_encoded_pass(s[i]);
				   		System.out.println("encoded_pass="+t);
				   		System.out.println("decoded_pass="+get_decoded_pass(t));
				   	}
				   }
				}