Java MD5 32-bit encryption code __java

Source: Internet
Author: User
[Java] View Plain copy print? import java.security.*;      public class md5 {        public final static string encrypt (string s)  {            char hexDigits[] = {  ' 0 ',  ' 1 ',  ' 2 ',   ' 3 ',  ' 4 ',  ' 5 ',  ' 6 ',  ' 7 ',  ' 8 ',  ' 9 ',                     ' A ',  ' B ',  ' C ',  ' d ',   ' E ',  ' F '  };           try {               byte[] strTemp =  S.getbytes ();               messagedigest  mdtemp = messagedigest.getinstance ("MD5");   &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSp;     mdtemp.update (strtemp);                byte[] md = mdtemp.digest ();                int j = md.length;                char str[] = new char[j *  2];               int k =  0;               for  (int  i = 0; i < j; i++)  {                    byte byte0 = md[i];                    str[k++]  = hexdigits[byte0 >>> 4 & 0xf];                    str[k++] = hexdigits[byte0 & 0xf ];               }                return new string (str);            } catch  (exception e)  {               return null;            }       }  }  


Reference article: How to use MessageDigest

http://blog.csdn.net/eclipser1987/article/details/5158784

http://blog.csdn.net/eclipser1987/article/details/5159106

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