MD5 encryption algorithm used for login accounts in C#

public static string GetMD5(string sDataIn)  
       {  
           MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();  
           byte[] bytValue, bytHash;  
           bytValue = System.Text.Encoding.UTF8.GetBytes(sDataIn);  
           bytHash = md5.ComputeHash(bytValue);  
           md5.Clear();  
           string sTemp = "";  
           for (int i = 0; i < bytHash.Length; i++)  
           {  
               sTemp += bytHash[i].ToString("X").PadLeft(2, &#39;0&#39;);  
           }  
           return sTemp.ToLower();  
       }