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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2018/12/05 12:03:00 UTC
[jira] [Issue Comment Deleted] (PDFBOX-4393) PDF signature invalid
after second interactive field signed
[ https://issues.apache.org/jira/browse/PDFBOX-4393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr updated PDFBOX-4393:
------------------------------------
Comment: was deleted
(was: uh, wait a minute... I just see there's a problem, related to the typo I just corrected.)
> PDF signature invalid after second interactive field signed
> -----------------------------------------------------------
>
> Key: PDFBOX-4393
> URL: https://issues.apache.org/jira/browse/PDFBOX-4393
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.12
> Environment: Windows
> Reporter: Martin Klíma
> Priority: Major
> Attachments: image-2018-12-04-11-14-01-586.png, image-2018-12-04-11-14-32-676.png, streamserve_test_sig0.pdf, streamserve_test_sig0_saved.pdf, streamserve_test_sig0_saved_signed by PDFBox.pdf, streamserve_test_sig0_saved_signed by PDFBox_then_signed by AR.pdf, streamserve_test_sig0_signed by PDFBoxNEW.pdf, streamserve_test_sig0_signed by PDFBoxNEW_signed by AR.pdf, streamserve_test_sig2.pdf, streamserve_test_sig3.pdf, streamserve_test_sig3.signed.pdf
>
>
> Hi guys,
> I stumped on the problem with PDFBox and interactive field signing. I have PDF generated with OpenText StreamServe with two interactive fields for signing. See example 1 (streamserve_test_sig0.pdf) in attachement.
> When I use Adobe Reader I can sign both of the visual fields just fine but when I use PDFBox to sign one of this field the following signature is marked as invalid. Doesn't matter if I use PDFbox or sign it manually with Adobe Reader See example 3:
> * streamserve_test_sig3.pdf (signed by PDFBox) - valid
> * streamserve_test_sig3.signed.pdf (signed 2nd by Adobe Reader) - invalid
> !image-2018-12-04-11-14-01-586.png|width=582,height=269!
>
> Also last example - when it´s signed first by Adobe Reader and then with PDFBox the signature seems valid but it says the document was "certified". See example 2 (streamserve_test_sig2.pdf)
> !image-2018-12-04-11-14-32-676.png|width=591,height=283!
>
> What could be wrong? When is signed whole document with PDFBox it works just fine.
> Thanks for response,
> Martin
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