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https://issues.apache.org/jira/browse/PDFBOX-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851865#comment-16851865
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Tilman Hausherr commented on PDFBOX-4554:
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So if there ever was a signed PDF with a byterange of [5 9995 11000 1000] (such
a byte range is technically possible but not a correct way to sign, i.e. it
wouldn't over the whole document) then your code would, instead of getting the
bytes from 5..9999 and 11000..11999 result in \{{getSignedContent()}} returning
the bytes from 10..10005 and 11005..11999.
> operations taking a byte[] need to allow for offset and length too
> ------------------------------------------------------------------
>
> Key: PDFBOX-4554
> URL: https://issues.apache.org/jira/browse/PDFBOX-4554
> Project: PDFBox
> Issue Type: Improvement
> Reporter: Jason Pyeron
> Priority: Major
>
> Without this, massive amounts of memory must be copied/allocated to "trim"
> byte[].
> See forthcoming pull request.
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