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https://issues.apache.org/jira/browse/PDFBOX-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18108273#comment-18108273
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ASF subversion and git services commented on PDFBOX-6244:
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Commit f504b4e9a88e934ceed472d6679a67b30815c4ef in pdfbox-docs's branch
refs/heads/master from Tilman Hausherr
[ https://gitbox.apache.org/repos/asf?p=pdfbox-docs.git;h=f504b4e9 ]
PDFBOX-6244: add entry about checking signatures
> Clarify that parsing doesn't check signatures
> ---------------------------------------------
>
> Key: PDFBOX-6244
> URL: https://issues.apache.org/jira/browse/PDFBOX-6244
> Project: PDFBox
> Issue Type: Improvement
> Components: Documentation
> Reporter: Tilman Hausherr
> Priority: Minor
>
> Clarify that parsing doesn't check whether any signatures are valid, and that
> loading a manipulated / "updated" PDF will not fail parsing. This applies to
> certification constraints as well. This behavior is not a security flaw, it's
> a missing feature. The ShowSignature example offers a limited signature
> check. The gold standard is Adobe Reader.
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