Re: qrpff

[Dave Turner <novalis@novalis.org>]

mjd-perl-pm@plover.com wrote:
> 
> I've been hired by Wired magazine to explain 'qrpff.pl', which is an
> obfuscated Perl program that descrypts CSS, the encoding used on DVDs.
> 
> I knew when they contacted me that the goal was to write something
> that could be read in five minutes and which would give the reader an
> impression of having learned something without actually imparting any
> information.  That is the Wired Way.
> 
> Of course, my first try did not achieve this.  But you folks might be
> interested in the draft, which is briefly available at
> 
>         http://www.plover.com/~mjd/misc/qrpff.html
> 
> Please don't advertise this URL elsewhere.
> 

Unfortunately, I can't get to this - the perl program is there, but the
html is not.  

qprff is hard to explain.  Perhaps it would be best to just describe the
operations of the outer loop, and gloss over the middle (fun part).  Of
course, they should really be looking at the C code - it *is* shorter.

--
-Dave Turner                                 Stalk me:  (215)-545-2859  
----------------------------------------------------------------------
<pug> Wait, you're right, I'm thinking of the Ankh-Morpork Assassin's 
      guild, sorry
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