public static void Main()
using (System.Security.Cryptography.MD5 md5 =
System.Security.Cryptography.MD5.Create())
byte[] retVal = md5.ComputeHash(md5.ComputeHash(Encoding.Unicode.GetBytes("s8353s8353")));
StringBuilder sb = new StringBuilder();
for (int i = 0; i < retVal.Length; i++)
sb.Append(retVal[i].ToString("x2"));
Console.WriteLine(sb.ToString());