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Playfair Building

April 4, 2004

Playfair Building

When Apple’s comparitively-generous-but-still-restrictive policy for Music Store downloads was announced (summary: “you can play your music on 3 PCs and unlimited iPods”), I always figured the iPod was the loose link in the security chain. It either contained a skeleton master key to play any protected tune, or would store the user’s key in an easy-to-reverse-engineer spot.

And now, after far longer than I had expected, playfair (not, as far as I can tell, named after column-obsessed Scottish architect) tumbles into view, exploiting the loophole of the iPod (or, ironically enough, Windows PCs) to decrypt protected Apple music, and losslessly convert them to unprotected m4a files. Initial tests are successful.

Hurrah! I now own the music I paid for!

Comments

About 5 years, 3 months ago, Rob commented:

The FairPlay code (src/mp4ff/drms*) is from the VideoLAN project and several months old. The DMCA violating frontend is new though ;)

About 5 years, 3 months ago, James commented:

anyone want to post any tips on how to get the src to compile on Windows XP?

About 5 years, 3 months ago, Rod commented:

I'd imagine that using Cygwin - http://www.cygwin.com/ - would do the job. Install it (making sure to include gcc), and you'd be good to go.

Disclaimer: I built and ran it on OSX, so dunno if that will work for sure.

Rod.

About 5 years, 2 months ago, Larry commented:

Now that Apple has stomped on sourceforge, anyone have the source available for those of us too slow to get it from there??

About 5 years, 2 months ago, anon commented:

If you have DC++ (or a clone on the same network) you can go to this hub: Media-Mayhem.no-ip.org

Just run a search for playfair.

:)

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saute-swinish