[jira] [Assigned] (PDFBOX-5261) Signing a full scanned PDF causes "The signature byte range is invalid"

["Andreas Lehmkühler (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler reassigned PDFBOX-5261:
------------------------------------------

    Assignee: Andreas Lehmkühler

> Signing a full scanned PDF causes "The signature byte range is invalid"
> -----------------------------------------------------------------------
>
>                 Key: PDFBOX-5261
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5261
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Signing
>    Affects Versions: 3.0.0 PDFBox
>            Reporter: Bryan
>            Assignee: Andreas Lehmkühler
>            Priority: Major
>         Attachments: file.pdf, file_signed.pdf, unsigned.part1.rar, unsigned.part2.rar, unsigned.part3.rar
>
>
> Signing with:
>  * pdfbox-app-3.0.0-20210804.050614-2786.jar causes the invalid signature.
>  * pdfbox-app-2.0.24.jar causes a valid signature.
> By full scanned document I mean that the document is full of images.
> The attachment "unsigned.pdf" is the first file that I couldn't sign.
> The attachment "file.pdf" is the second file that I couldn't sign also. 
> The attachment "file_signed.pdf" is the result of signing "file.pdf". With Adobe Reader you can check that the signature is invalid.
> Maybe it is related to having tables and images in the document.
>  



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