On Tue, Apr 29, 2008 at 1:50 PM, Fredrik Skolmli <fredrik@xxxxxxxx> wrote: > On Tue, Apr 29, 2008 at 01:31:51PM -0700, Geoffrey Irving wrote: > > > I sincerely hope that pdf/postscript don't allow the internal > > rendering code to branch based on the current date. That would be an > > absurd security hole, and would indeed make you entirely correct. If > > you actually know that it is possible to write that in postscript, I > > would very much want to see an example. > > Have a look at > > * http://th.informatik.uni-mannheim.de/People/Lucks/HashCollisions/letter_of_rec.ps > vs > * http://th.informatik.uni-mannheim.de/People/Lucks/HashCollisions/order.ps > > both found on a website[1] already mentioned[2] in this thread. :-) > > [1]: http://th.informatik.uni-mannheim.de/People/Lucks/HashCollisions/ > [2]: http://marc.info/?l=git&m=120949349923584&w=2 This is an example of a hash collision, not conditional rendering based on the current date. I.e., you didn't actually read my email or the email I was replying to. :) Geoffrey -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
