I'll give you some infos in a personal mail. regards, max
MsTiFtS schrieb: > You can install additional games on the classic, right? > Have you already got any? > If yes: > - Rename the .ipg file to .zip and extract it. There should be a file > named manifest.plist. can you mail me the contents of that? I need to > know whether these are crypted, and if yes, whether that was already > cracked, and how that crack works. > - I doubt it will be easy to modify one, but I read somewhere that that > certificate/signature stuff would have been cracked. > If no: > - Try to find a cracked one and test whether it works. If yes, send me a > link to that one. > > The main problem is that there are checksums of the game storead all > around, and the file with the checksum is protected against modification > by that digital signature using that fairplay certificate. The usual way > to crack this on 5G iPods was to hack the firmware to stop validating > all that DRM stuff, but since the classic firmware is crypted, I think > that's impossible. So one needs to somehow replace the executable while > keeping its hash constant. (Well, I doubt that will work unless they > used a really dumb hashing algorithm.) Another possibility is to modify > the hashes in manifest.plist, but then you'll need to re-sign that file > with the fairplay certificate, but to do that you'll need to get the > private key of the certificate, and I doubt that somebody besides Apple > knows that one. The last possibility would be to modify the public key > against which that signature is validated, but that resides in the > crypted firmware, bad luck :( > > While searching through the web I didn't find any cracked nano3g or > classic games, probably for exactly these reasons. If there are one, > they probably managaged to make the iPod think that game was correctly > installed by iTunes by its legitimate owner using some other way, but I > doubt that these cracking techniques could be used to modify game code. > If you see some homebrew game for the classic/nano3g somewhere in the > wild, please alert me, that will be the key to cracking firmware encryption. > > max schrieb: >> I currently own a ipod classic, so you can ask me if you want to test >> something. (Code should compile on linux/gcc[34]/amd64). >> >> regards, >> max >> >> MsTiFtS schrieb: >> >>> Injecting a firmware dumper game would be indeed the one and only way to >>> get this thing cracked, if, and only if, they indeed used the same >>> encryption for the games. Does someone of you own a nano 3g or a classic >>> and/or a game for it? Have you tried breaking the game's encryption with >>> badblox's tool? It would be pretty cool if that worked. Just quickly >>> make a memory dumper game and run it on a classic or 3g nano and you're >>> done, at least for these two models, but investigating their encryption >>> would probably help cracking the 2g nano a lot. Sorry, but I doubt that >>> the Apple engineers have been that dumb. But it's definitely worth a try. >>> mat h schrieb: >>> >>>> thats already been done I cant remrber the website but I will do some >>>> GOOGLEING. It involved extracting the zip archive and putting them in >>>> the Ipod Games folder created by itunes and letting Itunes load them. >>>> >>>> On 9/30/07, *Biscuit Thomas* <[EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> wrote: >>>> >>>> oh right, i saw those on a torrent, the problem being how to get the >>>> nano to load the binarys >>>> >>>> On 9/30/07, GearForce <[EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> wrote: >>>> > Actually, that might be a good point to start!!! >>>> > I don't know for nano 2g because it doesn't have games but I >>>> know that the >>>> > 6G (classic) and nano 3G do have game support. >>>> > A guy called BadBlox, managed to break the DRM encryption of the >>>> games >>>> > binary. >>>> > I have the code for it if you want. >>>> > So basically, you can decrypt the game binary, edit ARM >>>> instructions to dump >>>> > the RAM to the HDD and the re-encrypt it and run it as a game. >>>> > I know this BadBlox also built a memory dumper built into the >>>> osos image so >>>> > we can use that (although he did that when the osos wasn't >>>> encrypted..). >>>> > So on old games which can be cracked (like mini golf or >>>> whatever, not sure >>>> > about new games like Sims). >>>> > If anyone can give it a try.. >>>> > I don't know a lot about ARM assembly. >>>> > But if you need more info tell me. >>>> > This just might be the place we were looking for. >>>> > >>>> > On 9/30/07, [EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]> >>>> <[EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> >>>> > wrote: >>>> > > >>>> > > >>>> > > Message: 1 >>>> > > Date: Sat, 29 Sep 2007 07:21:27 -0400 >>>> > > From: "Biscuit Thomas" <[EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> >>>> > > Subject: Re: [Linux4nano-dev] Update to rc4 key search (optimized) >>>> > > To: "Hardware and developpement mailing list." >>>> > > <[email protected] <mailto:[email protected]>> >>>> > > Message-ID: >>>> > > < >>>> [EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> >>>> > > Content-Type: text/plain; charset="iso-8859-1" >>>> > > >>>> > > actually it would have to be arm code, i do believe it might >>>> still be >>>> > > under >>>> > > some form of drm, however. >>>> > > >>>> > >>>> >>>> _______________________________________________ >>>> Linux4nano-dev mailing list >>>> [email protected] <mailto:[email protected]> >>>> https://mail.gna.org/listinfo/linux4nano-dev >>>> http://www.linux4nano.org >>>> >>>> >>>> >>>> >>>> -- >>>> We explore... and you call us criminals. >>>> We seek after knowledge... and you call us criminals. >>>> We exist without skin color, without nationality, without religious >>>> bias... and you call us criminals. >>>> You build atomic bombs, you wage wars, you murder, cheat, and lie to >>>> us and try to make us believe it's for our own good... >>>> ....yet we're the criminals. >>>> >>>> ____________WAUSHARE ROX ______________ >>>> Join the dark side we've got cheese >>>> Annoying people since 1992 >>>> If you hate me, I love you too. It ain't my fault I'm better than you >>>> Save Water, Drink Beer >>>> God Made Women First, Then He Had A Better Idea. >>>> If Barbie is soo popular...how come you have to buy her friends? >>>> Don't play stupid with me... I'm better at it! >>>> You were so cute when you were a baby...What happened? >>>> My folks were always asking me to wear underpants. What am I, the pope? >>>> I'm calling the police!... Right after I flush some tings. >>>> Join the army, see the world, meet interesting people, and kill them. >>>> ------------------------------------------------------------------------ >>>> >>>> _______________________________________________ >>>> Linux4nano-dev mailing list >>>> [email protected] >>>> https://mail.gna.org/listinfo/linux4nano-dev >>>> http://www.linux4nano.org >>>> >>> _______________________________________________ >>> Linux4nano-dev mailing list >>> [email protected] >>> https://mail.gna.org/listinfo/linux4nano-dev >>> http://www.linux4nano.org >>> >>> >> >> _______________________________________________ >> Linux4nano-dev mailing list >> [email protected] >> https://mail.gna.org/listinfo/linux4nano-dev >> http://www.linux4nano.org >> >> > > > _______________________________________________ > Linux4nano-dev mailing list > [email protected] > https://mail.gna.org/listinfo/linux4nano-dev > http://www.linux4nano.org > _______________________________________________ Linux4nano-dev mailing list [email protected] https://mail.gna.org/listinfo/linux4nano-dev http://www.linux4nano.org
