The documentation is in the Extension Level 8 docs as well as drafts of ISO 32000-2 for at least 2 years now.
Leonard On 10/20/13 7:26 PM, "Brad Hards" <[email protected]> wrote: >On Mon, 21 Oct 2013 12:29:17 AM Albert Astals Cid wrote: >> Does anyone have any clue where the spec that mentions Encrypt with >>Revision >> 6 and AES256 is? >> >> There's such a file at >>https://bugs.freedesktop.org/show_bug.cgi?id=70704 >> but I can't find anything newer than ISO_PDF32000_2008.pdf and it's not >> mentioned in there. >http://www.pdflib.com/knowledge-base/pdf-security/encryption/ (via >wikipedia) >discusses this a bit, but not enough to implement it, and my google foo >can't >find Extension Level 8 documentation. > > >WARNING: Link below is reverse engineered code from acroread binary! > >There is documentation on this algorithm at: >http://esec-lab.sogeti.com/post/The-undocumented-password-validation-algor >ithm-of-Adobe-Reader-X >but it is not from a specification, but instead from adobe object code. > >Brad >_______________________________________________ >poppler mailing list >[email protected] >http://lists.freedesktop.org/mailman/listinfo/poppler _______________________________________________ poppler mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/poppler
