[jira] [Updated] (PDFBOX-4020) Into existing signature embedded signed timestamp for validation

["Alexis Suter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-4020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexis Suter updated PDFBOX-4020:
---------------------------------
    Attachment: signed_ts_ocsp.pdf

> Into existing signature embedded signed timestamp for validation
> ----------------------------------------------------------------
>
>                 Key: PDFBOX-4020
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4020
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Signing
>    Affects Versions: 2.0.8
>            Reporter: Alexis Suter
>         Attachments: SignatureValidation_Embedded_Timestamping.java.patch, SignatureValidation_Embedded_Timestamping_v0.2.java.patch, signed_ts_ocsp.pdf
>
>
> I would like to contribute a new example for embedded Timestamping.
> The Timestamp is beeing embedded into the existing Signature (which has so be prepared big enough for it). So that the document does not get changed. 
> This Step is a preparation for the LTV and includes some reorganisation for Validation-Purposes.
> I am still working on embedding the OCSP-Data, wich will take a bit longer. For that I have excluded and commented out the Code for it, to avoid confusion.
> Possible Usage:
> {code:java}
> exec:java -X -Dexec.mainClass="org.apache.pdfbox.examples.signature.validation.CreateEmbeddedValidation" -Dexec.args="${infile} -tsa ${tsa}"
> {code}
> CreateSignature has been changed to add SignatureOptions, where we can choose the size of the signature.



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