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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2019/02/17 15:03:00 UTC
[jira] [Resolved] (PDFBOX-4466) Signature without /Type /Sig can't
be read
[ https://issues.apache.org/jira/browse/PDFBOX-4466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr resolved PDFBOX-4466.
-------------------------------------
Resolution: Fixed
> Signature without /Type /Sig can't be read
> ------------------------------------------
>
> Key: PDFBOX-4466
> URL: https://issues.apache.org/jira/browse/PDFBOX-4466
> Project: PDFBox
> Issue Type: Bug
> Components: Crypto, Signing
> Affects Versions: 1.8.16, 2.0.13
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 1.8.17, 2.0.14, 3.0.0 PDFBox
>
> Attachments: DSS-1538-Signature.pdf
>
>
> Signatures are not to be decrypted, and currently decryption is skipped when their type is detected. However the type is optional, so in the attached file where the type is missing it is "decrypted". See at the end of PDFBOX-4453 and in the linked issue of the European commission DSS project. Thanks [~mkl] for pointing me to this one.
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