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https://issues.apache.org/jira/browse/PDFBOX-1847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13954635#comment-13954635
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Rubén Lagar commented on PDFBOX-1847:
-------------------------------------
After these changes I am having problems when signing some documents but not
others. I have attached one example of failed signature
[^Contrato_demo_para_AXA_signed.pdf].
> TSA Time Signature
> ------------------
>
> Key: PDFBOX-1847
> URL: https://issues.apache.org/jira/browse/PDFBOX-1847
> Project: PDFBox
> Issue Type: Improvement
> Components: Signing
> Affects Versions: 2.0.0
> Reporter: vakhtang koroghlishvili
> Assignee: John Hewson
> Fix For: 2.0.0
>
> Attachments: Contrato_demo_para_AXA_signed.pdf,
> CreateSignature-updated.java.patch, TSATimeSignature.patch,
> resultOfSigning.jpg
>
>
> When we was signing document, we was using time from our time. For more
> security we can use Time Stamp server.
> "Trusted timestamping is the process of securely keeping track of the
> creation and modification time of a document. Security here means that no one
> — not even the owner of the document — should be able to change it once it
> has been recorded provided that the timestamper's integrity is never
> compromised."(wiki)
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