SHA加密过程

 1 package com.pff.pff;
 2 
 3 import java.security.MessageDigest;
 4 import org.apache.commons.codec.binary.Hex;
 5 
 6 public class Sha {
 7 
 8     private static String test = "pff";
 9 
10     public static void main(String[] args) {
11         testSha();
12     }
13 
14     public static void testSha() {
15         try {
16             MessageDigest instance = MessageDigest.getInstance("SHA");
17             instance.update(test.getBytes());
18             byte[] digest = instance.digest();
19             System.out.println("SHA加密后的数据 = " + Hex.encodeHexString(digest));
20         } catch (Exception e) {
21             e.printStackTrace();
22         }
23     }
24 }