MD5Utils加盐加密工具类

import org.apache.commons.codec.digest.DigestUtils;

 

public  class  MD5Util {

     

     public  static  String md5(String src) {

         return  DigestUtils.md5Hex(src);

     }

     

     private  static  final  String salt =  "1a2b3c4d" ;

     

     public  static  String inputPassToFormPass(String inputPass) {

         String str =  "" +salt.charAt( 0 )+salt.charAt( 2 ) + inputPass +salt.charAt( 5 ) + salt.charAt( 4 );

         System.out.println(str);

         return  md5(str);

     }

     

     public  static  String formPassToDBPass(String formPass, String salt) {

         String str =  "" +salt.charAt( 0 )+salt.charAt( 2 ) + formPass +salt.charAt( 5 ) + salt.charAt( 4 );

         return  md5(str);

     }

     

     public  static  String inputPassToDbPass(String inputPass, String saltDB) {

         String formPass = inputPassToFormPass(inputPass);

         String dbPass = formPassToDBPass(formPass, saltDB);

         return  dbPass;

     }

     

     public  static  void  main(String[] args) {

           System.out.println(inputPassToFormPass( "123456" )); //d3b1294a61a07da9b49b6e22b2cbd7f9

      　　　 System.out.println(formPassToDBPass(inputPassToFormPass("123456"), "1a2b3c4d"));

           System.out.println(inputPassToDbPass("123456", "1a2b3c4d"));//b7797cce01b4b131b433b6acf4add449

     }