public static string SignUrl(string urlQuerystring, DateTime?timeout, string signatureKey)
{
if (timeout.HasValue)
{
urlQuerystring = urlQuerystring + "&ts=" + HttpUtility.UrlEncode(timeout.Value.ToString("r"));
}
byte[] inArray = Hmac.Sign(urlQuerystring);
return(string.Format("{0}&{1}={2}", (object)urlQuerystring, (object)signatureKey, (object)HttpUtility.UrlEncode(Convert.ToBase64String(inArray))));
}
public static bool Validate(string message, byte[] signature)
{
byte[] numArray = Hmac.Sign(message);
return(((IEnumerable <byte>)signature).SequenceEqual <byte>((IEnumerable <byte>)numArray));
}