iTextSharp.text.pdf.security.PdfPKCS7.GetEncodedPKCS1 C# (CSharp) Метод

        public byte[] GetEncodedPKCS1()
        {
            if (externalDigest != null)
                digest = externalDigest;
            else
                digest = sig.GenerateSignature();
            MemoryStream bOut = new MemoryStream();

            Asn1OutputStream dout = new Asn1OutputStream(bOut);
            dout.WriteObject(new DerOctetString(digest));
            dout.Close();

            return bOut.ToArray();
        }