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Posted to dev@pdfbox.apache.org by "John Hewson (JIRA)" <ji...@apache.org> on 2014/11/06 08:02:35 UTC
[jira] [Updated] (PDFBOX-2001) Digital Signature information
[ https://issues.apache.org/jira/browse/PDFBOX-2001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Hewson updated PDFBOX-2001:
--------------------------------
Component/s: Parsing
> Digital Signature information
> -----------------------------
>
> Key: PDFBOX-2001
> URL: https://issues.apache.org/jira/browse/PDFBOX-2001
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 1.8.3
> Reporter: Nicolas Kaczmarski
> Assignee: Andreas Lehmkühler
> Attachments: D.1_signiert.pdf, acrobatSignatureExample.PNG
>
>
> We have a signed PDF but signature is described without key "Sig".
> As you can see in the standard PDF 32000-1:2008 - Table 252 - Entries in a signature dictionary, this key is optional :
> "(Optional) The type of PDF object that this dictionary describes; if present, shall be Sig for a signature dictionary. "
> But PDFBox seems to limit its research of signature only if this key "Sig" is present.
> What is your position about that?
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