Support should already be present in PoDoFo but you must add support for Libidn[1]. As far as I remember only Libidn 1.x is supported in PoDoFo because Libidn 2.x is API incompatible.
[1] https://www.gnu.org/software/libidn/ On Fri, 29 Oct 2021 at 13:24, F. E. <exler7...@gmail.com> wrote: > Hello dear podofo users, > > I have a password protected pdf file (Pwd: test), which podofo fails to > load: > > ePdfError_UnsupportedFilter: Unable to load objects from file.: Error while > loading object 8 0 > > Unsupported encryption method Version=5 Revision=6 > > I checked in the pdf reference 1.7, and there was indeed no Version 5 or > Revision 6 listed. > > After some more digging I found out, that the pdf should follow the pdf 2.0 > standard (iso 32000-2), > which features a more secure AES 256 encryption. > > My question now is, is anyone familiar with this kind of encryption, > and would it be theoretically possible to add it to podofo (if anyone had the > time for it ...) ? > > Greetiings, > > F.E. > > > > > _______________________________________________ > Podofo-users mailing list > Podofo-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/podofo-users >
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