Image::ExifTool::PDF (3)
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NAME
Image::ExifTool::PDF - Read PDF meta informationSYNOPSIS
This module is loaded automatically by Image::ExifTool when required.DESCRIPTION
This code reads meta information fromPDF
(Adobe Portable Document Format)
files. It supports object streams introduced in PDF-1.5
but only with a
limited set of Filter and Predictor algorithms, however all standard
encryption methods through PDF-1.7
extension level 3 are supported,
including AESV2
(AES-128
) and AESV3
(AES-256
).
AUTHOR
Copyright 2003-2017, Phil Harvey (phil at owl.phy.queensu.ca)This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
REFERENCES
- <partners.adobe.com/public/developer/pdf/index_reference.html>
- Crypt::RC4
- <www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf>
- <www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/adobe_supplement_iso32000.pdf>
- <tools.ietf.org/search/rfc3454>
- <www.armware.dk/RFC/rfc/rfc4013.html>
SEE ALSO
``PDF
Tags'' in Image::ExifTool::TagNames,
Image::ExifTool(3pm)