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https://issues.apache.org/jira/browse/PDFBOX-4312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16839317#comment-16839317
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bal commented on PDFBOX-4312:
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Hi Tilman,
Thanks a lot for your valuable feedbacks. Now i am able to sign the pdf with
pkcs 7 signature using the pdfbox 1.8.9 dll with ikvm in .net. but when i open
the pdf using adobe it is showing
signature is invalid. It shows error Document has been altered or corrupted
since it was signed. please find attached screenshot for reference.
!image-2019-05-14-16-27-40-794.png!
> Signature is not getting inserted into 00000 area
> -------------------------------------------------
>
> Key: PDFBOX-4312
> URL: https://issues.apache.org/jira/browse/PDFBOX-4312
> Project: PDFBox
> Issue Type: Bug
> Components: .NET, PDModel, Signing
> Affects Versions: 1.8.9, 1.8.15
> Reporter: bal
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 1.8.17
>
> Attachments: image-2019-05-14-16-27-40-794.png
>
>
> Hi ,
> I want to sign pdf using signature in pkcs 7 format . I am converting pkcs 7
> signature to byte array using Convert.FromBase64String method in .net . I am
> passing this byte array to sign method in signature interface which gets
> called after calling saveincremental. My byte array is inserting proper but
> the name of which signature is not shown when i open pdf. May be my byte
> conversion may not proper or something else i am doing wrong. please let me
> know.
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