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package com.young.security;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
//http://www.iteye.com/topic/1122076/
public class EncrypSHA {

	public byte[] eccrypt(String info) throws NoSuchAlgorithmException{  
        MessageDigest md5 = MessageDigest.getInstance("SHA");  
        byte[] srcBytes = info.getBytes();  
        //使用srcBytes更新摘要  
        md5.update(srcBytes);  
        //完成哈希计算，得到result  
        byte[] resultBytes = md5.digest();  
        return resultBytes;  
    }  
  
    /** 
     * @param args 
     * @throws NoSuchAlgorithmException  
     */  
    public static void main(String[] args) throws NoSuchAlgorithmException {  
        String msg = "郭XX-精品相声技术";  
        EncrypSHA sha = new EncrypSHA();  
        byte[] resultBytes = sha.eccrypt(msg);  
        System.out.println("明文是：" + msg);  
        System.out.println("密文是：" + new String(resultBytes));  
          
    }  
}