Asp.net MD5 encryption code

///   <Summary>          ///  MD5 Encryption  ///   </Summary>          ///   <Param name = "strsource">  Plaintext to be encrypted  </Param>          ///   <Returns>  Returns the 32-bit encryption result.  </Returns>          Public   Static  String Get_md5 ( String Strsource, String  Sencode ){  //  New System. Security. cryptography. MD5 MD5 = New  System. Security. cryptography. md5cryptoserviceprovider ();  //  Obtain the ciphertext byte array              Byte [] Bytresult = Md5.computehash (system. Text. encoding. getencoding (sencode). getbytes (strsource )); //  Convert to a string and get 9 to 25 digits  //  String strresult = bitconverter. tostring (bytresult, 4, 8 );  //  Converts a string to a 32-Bit String.              String Strresult = Bitconverter. tostring (bytresult );  //  The character string converted by bitconverter generates a separator between each character and needs to be removed. Strresult = strresult. Replace ( "  -  " ,""  );  Return  Strresult. tolower ();}