public void TestVerifyTimestampFromDigest()
{
byte[] digest = new System.Security.Cryptography.SHA1Cng().ComputeHash(Encoding.UTF8.GetBytes(dataToTimestamp));
TimestampCreator creator = new TimestampCreator();
TimestampObject timestamp = creator
.SetTsaPrimaryUrl(tsaUrl2)
.SetHashAlgorithm(HashAlgorithm.SHA1)
.SetOutputFormat(OutputFormat.TSR)
.SetMessageDigestForTimestamping(digest)
.CreateTimestamp();
TimestampVerifier verifier = new TimestampVerifier();
TimestampObject verifiedTimestamp = verifier.SetMessageDigest(digest)
.SetHashAlgorithm(HashAlgorithm.SHA1)
.SetTimestamp(timestamp.Timestamp)
.Verify();
}
