java 加解密

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 s){byte[] e = s.getBytes(charset);byte[] d = e;for(int i=0,size=e.length;i<size;i++){for(byte k:keyBytes){e[i] = (byte) (d[i]^k);}}return new String(e);}public static void main(String[] args) {String s="str";String enc = encode(s);String dec = decode(enc);System.out.println(enc);System.out.println(dec);}}