Org.BouncyCastle.Tsp.TspUtil public class TspUtil Documentation Code public TspUtil() public static IList<TimeStampToken> GetSignatureTimestamps(SignerInformation signerInfo) Fetches the signature time-stamp attributes from a SignerInformation object. public static void ValidateCertificate(X509Certificate cert) Validate the passed in certificate as being of the correct type to be used for time stamping.