Hi,
Please let me know sample code in Aspose.pdf to do multilevel signature in a pdf document without invalidating previous signature. Signature should apply to input pdf.
Let me know the enterprise license cost which …...requirements: using (var doc = new Aspose.Pdf.Document(dataDir +...pdfFileSignature = new PdfFileSignature(doc)) { var pkcs = new PKCS1(dataDir...