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-2.0 are supported, including AESV2 (AES-128) and AESV3 (AES-256).
AUTHOR
Copyright 2003-2023, Phil Harvey (philharvey66 at gmail.com)
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)