I bought some Gameloft games on my Nokia 6101 (s40v2 128x160) through t-mobile and when i used mobiMB v3.1 to transfer them to my pc they transfered fine, but when opening or extracting i get "no archives found" when extracting, and "the archive is either in unknown format or damaged" when opening, using Winrar.

They don't open in the sdk emulator, java toolkit emulator, or the ngage cool emulator. All the games that came on my phone and the other ones I purchased I can extract and open the jar files with no problem after transfering in mobiMB.
I only had this problem with the gameloft games, and no others.

Do you think these games need cracked or hex-edited to remove a protection? Could gameloft lock the games for my phone use only?

The games are: Chessmaster, Midnight Pool, SplinterCell CT, and Tetris.

*Also Splinter Cell Chaos Theory is the only game i ever had on my phone that had a certificate so would that mean something towards not being able to extract it, do I have to remove a certificate or snippet of code to get these to open/extract?

*I've tried recopying them from phone to pc; still corrupt/empty archive error, does anyone know how to remove this protection.

I've already give my opinion here ([Only registered and activated users can see links]). try check it mate.

*New realization: Do you think that T-mobile might be protecting those Gameloft games by embedding my IMEI/phone number/temp wap address in the .jar file?

Reasoning:
Other Gameloft games for other phone models through other carriers were fine when i had them on the pc and my phone. And plus I really dont think Gameloft would be able to do something like that as they don't know the specific phone model like T-mobile does when you purchase a game.

So these Gameloft games might need a patch, or hex-edit etc to remove a check in the jar file, or maybe these need to be transfered different than the rest. Any ideas please reply or pm me.

I found the problem!!! :win:

Solving it however might prove to be very difficult...

I opened the .jar archives with "Notepad", (yes I didn't thought that would accomplish anything either, but it did.)

And in all the "corrupted" games you find this line among the code:

application/java-archive_?_Encryption-Method:AES128CBC;padding=RFC2630 Rights-Issuer:[FL]Æ3C_ñœìïZ—Zɘ�¤÷_

"Encryption-Method" - That means the reason why the games don't run is that the files are encrypted, with method (AES128CBC)

I don't know much about encryption but if the file was actually encrypted with a 128 bits encryption we can say goodbye to those games.


hope I had better news, at least now we know what's going on.

Thanks for sharing your findings and looking into it,
I assumed it was encrypted/locked all along as it kept file integrity and size when transfered but I didnt see that snippet of code. The whole file is there but encrypted pretty damn good.

I'll take a look and see myself through my handy hex editor.
-----------------------=edit=--------------------

You are right as this snippet is not found in any of the other games; AES Cipher Block Chaining 128bit Encryption :(

Gloft->T-mobile coordinated this and now I'm quite pissed. I purchased these and now I have deal with this.

*Anyone whose seen games encrypted like this or knows of a way around a lock/encryption on java games let me know.

bump, no one ever had experience with a protected cell phone game?

----------edit-------

How bout this, does anyone have t-mobile? And do your games have a phone lock or can you extract the jar files on your pc? Do you have pre-paid or post-paid?

bump bump, anyone

bump bump, anyone

I remember last time some of the games also have this problems. To solve
this problems jcautela you have to upload the orginal jad file and
for those whose install the game install both of the file.

No harm of trying this method and post the result here.

The actual jar files wont even open up on the computer. The jar files are protected and cant be accessed with a jad file or not.

If anyone wants 5-10 gameloft games please help me crack them/figure this out.

Any mods reading this I've searched and searched if anyone knows how to decrypt/crack t-mobile java games bought from t-zones.

try check it in the how to... section mate...

What how-to section?

=edit=----------------
found it its not a main category its kind of hidden.

It seems none knows how to solve this.

Does anybody ever decode jar files? I've seen Gameloft games for all types of phones and It can't be they only encrypt s40 v2 128x160 games. :???:

Anyway, "Jcautela" please upload a pack with all the Gameloft games you've got. It's better to wait for a solution while having the games posted here.