private static TimeStampToken RequestTST(byte[] contentToTimestamp, string tsaService, Oid hashAlg, string policy, string nonce, bool certReq, UserCredentials credentials, TimestampResult result)
{
byte[] nonceBytes = null;
byte[] hashedMessage = DigestUtils.ComputeDigest(contentToTimestamp, hashAlg);
if (!string.IsNullOrEmpty(nonce))
{
nonceBytes = HexStringToBytes(nonce);
}
var request = new Request(hashedMessage, hashAlg, nonceBytes, policy, certReq);
result.TimeStampRequest = request;
result.Tsq = request.ToByteArray();
return(TimeStampClient.RequestTimeStampToken(tsaService, request, credentials));
}