public String encriptStringByMD5(String input) { String output; //The encoder class used to convert strPlainText to an array of bytes Encoding enc = Encoding.GetEncoding("windows-874"); //Create an instance of the MD5CryptoServiceProvider class MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider(); //Call ComputeHash, passing in the plain-text string as an array of bytes //The return value is the encrypted value, as an array of bytes Byte[] hashedDataBytes = md5Hasher.ComputeHash(enc.GetBytes(input)); output = Convert.ToBase64String(hashedDataBytes,0,hashedDataBytes.Length ); //output = BitConverter.ToString(hashedDataBytes); return o...