實(shí)例1：
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package cn.std.util;import java.nio.charset.Charset;public class DeEnCode { private static final String key0 = "FECOI()*&<MNCXZPKL"; private static final Charset charset = Charset.forName("UTF-8"); private static byte[] keyBytes = key0.getBytes(charset); public static String encode(String enc){ byte[] b = enc.getBytes(charset); for (int i=0,size=b.length;i<size;i++){ for (byte keyBytes0:keyBytes){ b[i] = (byte) (b[i]^keyBytes0); } } return new String(b); } public static String decode(String dec){ byte[] e = dec.getBytes(charset); byte[] dee = e; for (int i=0,size=e.length;i<size;i++){ for (byte keyBytes0:keyBytes){ e[i] = (byte) (dee[i]^keyBytes0); } } return new String(e); } public static void main(String[] args) { String s="you are right"; String enc = encode(s); String dec = decode(enc); System.out.println(enc); System.out.println(dec); }} |
實(shí)例2
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public static String setEncrypt(String str){ String sn="ziyu"; //密鑰 int[] snNum=new int[str.length()]; String result=""; String temp=""; for (int i=0,j=0;i<str.length();i++,j++){ if(j==sn.length()) j=0; snNum[i]=str.charAt(i)^sn.charAt(j); } for (int k=0;k<str.length();k++){ if(snNum[k]<10){ temp="00"+snNum[k]; } else{ if(snNum[k]<100){ temp="0"+snNum[k]; } } result+=temp; } return result;}public static String getEncrypt(String str){ String sn="ziyu"; //密鑰 char[] snNum=new char[str.length()/3]; String result=""; for (int i=0,j=0;i<str.length()/3;i++,j++){ if(j==sn.length()) j=0; int n=Integer.parseint(str.substring(i*3,i*3+3)); snNum[i]=(char)((char)n^sn.charAt(j)); } for (int k=0;k<str.length()/3;k++){ result+=snNum[k]; } return result;}} |
總結(jié)
以上就是本文關(guān)于Java使用異或運(yùn)算實(shí)現(xiàn)簡單的加密解密算法實(shí)例代碼的全部內(nèi)容，希望對大家有所幫助。感興趣的朋友可以繼續(xù)參閱本站其他相關(guān)專題，如有不足之處，歡迎留言指出。感謝朋友們對本站的支持！
原文鏈接：http://blog.csdn.net/a1049107922/article/details/52413693
