On 12/08/2011 19:23, Edward Cooke wrote:
Hello all, I'm pretty new to iTextSharp and I'm trying to add the
image of a signature, it's a simple windows image, to a PDF signature
field.
When I go to close the stamper, I get a null reference exception, and
the pdf is not written to the memory stream. All the sample's I've
found include setting a certificate when doing the image. (I'd prefer
not to have to do this yet.)
I'm not sure if I understand your question.
Do you want to create a PDF that is NOT digitally signed, but that shows
the image of a signature?
Or do you want to create a PDF this IS digitally signed, and shows an
image of a signature in the signature field?
I don't understand how you would expect a PDF to be digitally signed
without a Private key and Public Certificate.
See http://www.slideshare.net/blowagie/pdf-digital-signatures
If adding an image of a signature is all you want, and if you don't
require the PDF to be digitally signed, why would you use a signature field?
Are you sure you understand the concept of digital signatures?
Digital signatures have nothing to do with scanned signatures stored as
an image.
------------------------------------------------------------------------------
FREE DOWNLOAD - uberSVN with Social Coding for Subversion.
Subversion made easy with a complete admin console. Easy
to use, easy to manage, easy to install, easy to extend.
Get a Free download of the new open ALM Subversion platform now.
http://p.sf.net/sfu/wandisco-dev2dev
_______________________________________________
iText-questions mailing list
iText-questions@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/itext-questions
iText(R) is a registered trademark of 1T3XT BVBA.
Many questions posted to this list can (and will) be answered with a reference
to the iText book: http://www.itextpdf.com/book/
Please check the keywords list before you ask for examples:
http://itextpdf.com/themes/keywords.php
