Le mardi 20 mars 2012 à 20:23 +0100, Mojca Miklavec a écrit : > On Mon, Mar 19, 2012 at 23:12, Hans Hagen wrote: > > On 19-3-2012 22:08, Mojca Miklavec wrote: > >> > >> Out of curiosity: is inability to create password-protected PDF files > >> with pdfTeX/LuaTeX due to legal issues or due to nobody caring enough > >> to implement it? > > > > it's not worth the trouble. Afaik it's a second pass issue and would > > complicate the code much. > > > > Just use qpdf to do it ... pretty fast. > > If qpdf exists it is probably not a legal issue to do password protection > then.
You mean strong encryption? Some countries, regimes I should rather say, are not in favour of such... Sad fact, IMHO. Signing a document digitally, should never be much of an issue, in your mentioned legal context, though. Well, needs to be honoured by the receiving party... but... hey, make regimes modern ! :) Cheers, mh > > But from the same perspective ... one first needs PDF to be (almost) > finished before being able to sign it. One needs to read as-good-as > the whole PDF, read the certificate from somewhere on the disk and > then sign with that certificate. If certificate is password-protected, > one also needs to provide the password somehow. > > The usecase would be sending documents to officials (proving that the > document really comes from the person claiming the ownership). But it > is also true that in principle one can sign emails with PDF > attachments. It is not the same, but it comes close. Another usecase > could be, say, sending invoices to clients. > > > We have a company that sells crappy software for signing PDFs and XML > for over 1000 EUR per version per browser per OS (each new version for > each supported browser on a single OS costs that much; and they have a > lot of clients). And of course it never works since of course it only > supports Mac OS X 10.6 (10.7 still doesn't work), on Windows only IE 7 > or Firefox 3.6 (latest Firefox won't work and it is awfully difficult > to find the old versions), on Linux probably a similar story (never > tried). And that is the only possible way to send any document to the > government. On the other hand they could just as well have used some > standard tool and it would work out of the box. So much about signing > ... > > Mojca > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net > archive : http://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ___________________________________________________________________________________
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___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
