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Posted to dev@pdfbox.apache.org by "Alexis Suter (JIRA)" <ji...@apache.org> on 2017/12/12 16:26:00 UTC
[jira] [Commented] (PDFBOX-3984) Add validation data of signer to
document
[ https://issues.apache.org/jira/browse/PDFBOX-3984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287828#comment-16287828 ]
Alexis Suter commented on PDFBOX-3984:
--------------------------------------
I have a question about the document catalog in multiple Revisions: How can I add data to the dictionaries?
I tried catalog.setNeedToBeUpdated(true) and getting the dictionary-entries isnstead of creating them. But this wasn't enough and there where none of those entries in the revision. (only a ref to the DSS)
I guess I'm missing something or this is somehow buggy.
[^multi-Signature_AdobeValidation.pdf]
[^multi-Signature_pdfBox_validation.pdf]
It isn't an urgent problem, because the base case for LTV works fine.
> Add validation data of signer to document
> -----------------------------------------
>
> Key: PDFBOX-3984
> URL: https://issues.apache.org/jira/browse/PDFBOX-3984
> Project: PDFBox
> Issue Type: Improvement
> Components: Signing
> Affects Versions: 2.0.7
> Reporter: Alexis Suter
> Attachments: 1_only_signed.pdf, 2_signed_and_embeddedTs.pdf, 3_signed_external_timestamp.pdf, 4_resultof_signed_eTs_ocsp.pdf, How_LTV_looks_in_adobe.PNG, SignatureValidation_v0.1.java.patch, multi-Signature_AdobeValidation.pdf, multi-Signature_pdfBox_validation.pdf
>
>
> To support Long Term Validation of a signature, we need to add a Valdiation-Dictionary to the document. Inside there is most importantly an OCSP-Response of the signers. (can be multiple).
> As Defined in [PAdES 4|https://en.wikipedia.org/wiki/PAdES] the following elements will be added to a document: A DSS (Document Security Store) linked to the VRI(s) of the signature(s)
> At first I will provide an example.
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