/// <summary>
/// Creates EventValidator instance.
/// </summary>
/// <param name="secret">Secret string.</param>
/// <returns>EventValidator instance.</returns>
internal static EventValidator Create(string secret)
{
var validator = new EventValidator();
if (!String.IsNullOrEmpty(secret))
{
validator.hashString = HashString.CreateHMACSHA1(secret);
}
return(validator);
}