получение мд5 кириллица корректно

//-----------------------------------------------------------------------------------
//получение мд5 кириллица корректно                                              //|
public static byte[] GetHash(string inputString)                                  //|
        {                                                                         //|
            HashAlgorithm algorithm = MD5.Create();  //or use SHA256.Create();    //|
            return algorithm.ComputeHash(Encoding.UTF8.GetBytes(inputString));    //|
        }                                                                         //|
        public static string GetHashString(string inputString)                    //|
        {                                                                         //|
            StringBuilder sb = new StringBuilder();                               //|
            foreach (byte b in GetHash(inputString))                              //|
                sb.Append(b.ToString("X2"));                                      //|
            return sb.ToString().ToLower();                                       //|
        }                                                                         //|
//-----------------------------------------------------------------------------------