How to implement digital signature in asp.net?

Question

I have a asp.net web application.

I want; users can digitally sign PDF documents with certificates installed in the client machine. Users have a PIN. They must upload file and enter their unique PIN. If certificate is installed and true signed the document and stored at server.

I dont know any plugin for this. I m not sure about my explanation and i hope you have some ideas about that.

**iTextSharp** Library, http://www.codeproject.com/Articles/14488/E-signing-PDF-documents-with-iTextSharp — Gopesh Sharma, Jun 14 '13 at 11:25
Thank u @GopeshSharma i'll search more and try it. If it success i'll share. — CocLn, Jun 14 '13 at 11:33
Current **iTextSharp** http://itextpdf.com/book/digitalsignatures — mkl, Jun 14 '13 at 11:41
possible duplicate of [Signing PDFs on a server document using a signature from the user](http://stackoverflow.com/questions/10656100/signing-pdfs-on-a-server-document-using-a-signature-from-the-user) — Eugene Mayevski 'Callback, Jun 14 '13 at 11:51
Also see http://stackoverflow.com/questions/13228106/x-509-digital-signatures-encryption-workflow-library-recommendations and my answers there. — Eugene Mayevski 'Callback, Jun 14 '13 at 11:51

score 0 · Answer 1 · answered Jun 16 '13 at 06:32

0

[Disclosure: I work for CoSign]

Yes, we have customers doing what you ask for, with the process mediated by the developers web app (written in ASP.net or other languages). See our CoSign Signature Web Agent sdk.

answered Jun 16 '13 at 06:32

Larry K

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How to implement digital signature in asp.net?

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