Java MD5 Encryption Tool class

1 ImportJava.math.BigInteger;2 Importjava.security.MessageDigest;3 Importjava.security.NoSuchAlgorithmException;4 5  Public classMd5utils {6     /**7 * encryption using MD5 algorithm8      */9      Public Staticstring MD5 (string plaintext) {Ten         byte[] Secretbytes =NULL; One         Try { ASecretbytes = messagedigest.getinstance ("MD5"). Digest ( - plaintext.getbytes ()); -}Catch(nosuchalgorithmexception e) { the             Throw NewRuntimeException ("No MD5 this algorithm!") "); -         } -String Md5code =NewBigInteger (1, secretbytes). toString (16);//16 binary digits -         //If the generated number is below 32 bits, the preceding 0 is required +          for(inti = 0; I < 32-md5code.length (); i++) { -Md5code = "0" +Md5code; +         } A         returnMd5code; at     } -  -      Public Static voidMain (string[] args) { -SYSTEM.OUT.PRINTLN (MD5 ("123")); -     } -  in}

Java MD5 Encryption Tool class