NAME¶
Image::ExifTool::PDF - Read PDF meta information
SYNOPSIS¶
This module is loaded automatically by Image::ExifTool when required.
DESCRIPTION¶
This code reads meta information from PDF (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 2003-2014, 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¶
- <http://partners.adobe.com/public/developer/pdf/index_reference.html>
- Crypt::RC4
- <http://www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf>
- <http://www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/adobe_supplement_iso32000.pdf>
- <http://tools.ietf.org/search/rfc3454>
- <http://www.armware.dk/RFC/rfc/rfc4013.html>
SEE ALSO¶
"PDF Tags" in Image::ExifTool::TagNames,
Image::ExifTool(3pm)
