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https://issues.apache.org/jira/browse/PDFBOX-4239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505994#comment-16505994
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Lux edited comment on PDFBOX-4239 at 6/8/18 1:02 PM:
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[~msahyoun] Sorry, I copy the itext add annotation code here. Let me find
Pdfbox version.
actually, if a pdf with certified signature. I saw Adobe allow actions after
sign. seems no way to add or modify anything if want signature valid.
Do you know how to add a text annotation or text field to pdf , And dont make
certified sign invalid ?
Or how to avoid can't view in IE11 after IE pdfreader plugin validate all
signature.
was (Author: luxjavecode):
[~msahyoun] Sorry, I copy the itext add annotation code here. Let me find
Pdfbox version.
actually, if a pdf with certified signature. I saw Adobe allow actions after
sign. seems no way to add or modify anything if want signature valid.
Do you know how to add a text annotation or text field to pdf , And dont make
certified sign invalid ?
> How to avoid invalid signature after pdfbox modify a signed PDF
> ---------------------------------------------------------------
>
> Key: PDFBOX-4239
> URL: https://issues.apache.org/jira/browse/PDFBOX-4239
> Project: PDFBox
> Issue Type: Wish
> Components: Signing
> Affects Versions: 2.0.2
> Reporter: Lux
> Priority: Major
> Attachments: 0608_1.jpg
>
>
> Dear Team
> Our team need add some text into a signed PDF, But we got a pdf with an
> invalid signture.
> So that sometimes we can't view it on IE.
> Do you know how to avoid invalid signature after modify a signed pdf.
> Looking forward your reply. Thanks in advance.
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