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Posted to dev@pdfbox.apache.org by "bal (JIRA)" <ji...@apache.org> on 2019/07/26 16:29:00 UTC
[jira] [Commented] (PDFBOX-4609) At least one signature is invalid
[ https://issues.apache.org/jira/browse/PDFBOX-4609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16893965#comment-16893965 ]
bal commented on PDFBOX-4609:
-----------------------------
I can't attach pdf due to security concerns. I couldn't find out why my signature is getting invalid. Why the document has been altered or modified since signature is applied is is seen at the signature panel of pdf. Tried but not succeed to find out why acrobat invalidates the pdf.? Please help.
> At least one signature is invalid
> ----------------------------------
>
> Key: PDFBOX-4609
> URL: https://issues.apache.org/jira/browse/PDFBOX-4609
> Project: PDFBox
> Issue Type: Wish
> Components: .NET, Utilities
> Affects Versions: 1.8.15
> Reporter: bal
> Priority: Major
>
> I am getting signature is invalid error in the signature panel of pdf after pkcs 7 signature insertion. I can see the name of the signer with the signed by in signature panel. I am not able to find out disallowed changes pdfbox does resulting into invalid pdf by acrobat reader. Is it possible to validate the pdf with pdfbox? Thanks in advance.
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