iTextSharp is a C# port of iText - an open-source Java library for PDF generation and manipulation. It can be used to create PDF documents from scratch, to convert XML to PDF, to fill out interactive ...
Adobe too has joined up and is now making it easier to do more with PDFs in your browser. Users can not only create PDF documents easily but they can also sign them, compress PDF documents, and ...
The PDF Document API allows you to apply multiple PKCS#7 signatures with X.509 certificates. The PdfSignatureBuilder class allows you to apply a signature to a new or existing signature form field.
Open the PDF document that you would like to sign in Adobe Reader. In the toolbar on the left, select Fill & Sign.
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