Hi,

I've used iText to realize a tool to verify signed pdf.
Now I have this problem.
The tool validates the attached pdf. It means that I'm able to charge this
pdf in a PdfReader, to extract signatures, to call verifySignature and then
to extract the signed envelope inside the pdf(with bouncy castle I'm able to
validate also the envelope).  

But if I simply try to open this pdf with adobe reader, it immediately
complains about not valid signature byte range.

So the question is: what have I to do, using iText, to intercept this error?

Thank you very much

3pagen_general_packing_instructions_-_firmato.pdf
<http://itext-general.2136553.n4.nabble.com/file/n4658040/3pagen_general_packing_instructions_-_firmato.pdf>
  





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