iTextSharp.text.pdf.PdfPKCS7.VerifyTimestampImprint C# (CSharp) 메소드

        public bool VerifyTimestampImprint() {
            if (timeStampToken == null)
                return false;
            MessageImprint imprint = timeStampToken.TimeStampInfo.TstInfo.MessageImprint;
            byte[] md = new System.Security.Cryptography.SHA1CryptoServiceProvider().ComputeHash(digest);
            byte[] imphashed = imprint.GetHashedMessage();
            bool res = Arrays.AreEqual(md, imphashed);
            return res;
        }