public static TimeStampToken RequestTST(string fileName, string tsaService, Oid hashAlg, string policy, string nonce, bool certReq, UserCredentials credentials)
{
byte[] nonce_bytes = null;
byte[] hashedMessage = DigestUtils.ComputeDigest(fileName, hashAlg);
if (!string.IsNullOrEmpty(nonce))
{
nonce_bytes = SharedUtils.HexStringToBytes(nonce);
}
Request request = new Request(hashedMessage, hashAlg, nonce_bytes, policy, certReq);
return(TimeStampClient.RequestTimeStampToken(tsaService, request, credentials));
}
/// <summary>
/// Requests time stamp for the data from stream.
/// </summary>
/// <param name="tsaUri">URL of a TSA service.</param>
/// <param name="dataToTimestamp">Specifies the data to time-stamp.</param>
/// <param name="digestType">Specifies the hash algorithm to be used to compute digest from data.</param>
/// <param name="credentials">User's credentials to access TSA service.</param>
/// <returns>Time-stamp token</returns>
public static TimeStampToken RequestTimeStampToken(string tsaUri, Stream dataToTimestamp, Oid digestType, UserCredentials credentials)
{
if (null == tsaUri)
{
throw new ArgumentNullException("tsaUri");
}
if (null == dataToTimestamp)
{
throw new ArgumentNullException("dataToTimestamp");
}
if (null == digestType)
{
digestType = Oid.SHA512;
}
byte[] digest = DigestUtils.ComputeDigest(dataToTimestamp, digestType);
Request request = new Request(digest, digestType.OID);
return(RequestTST(tsaUri, request, credentials));
}