Hacking nusdownloader and tmd files from 3DS!?

EthanObi

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just noticed when i was viewing files on 3ds sd card, there are TMD files. which CAN be viewed and possibly decrypted by NUSDownloader!! its just a theory. DONT FLAME ME FOR IT!
 

CollosalPokemon

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No, not possible atm.

You NEED the COMMON KEY for decryption AS WELL!
The 3DS Common Key has NOT been publicly leaked/dumped yet
if it was as easy as you described it would have been done already in June 2011.
 
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frogboy

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Flameflame.

No, it wouldn't work that way. You've gotta have the keys, and nobody's found them yet. Or, if they have, they're not sharing them.
 

EthanObi

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wait. common keys...hrm...anything like this?:675023AF4C419EB5?

every TMD on my SD card has that EXACT code inside of it when opened with NUSD
 

EthanObi

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*cough*flamewars episode OMEGA attack of the trolls*cough* close this please....oh right. ill check my 2nd 3DS sd card! it has all the same apps on it. BRB!
 

TripleSMoon

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Agree with Collosal... if it was that easy, it woulda been done long ago. Also, probably should've gone under this sticky.

http://gbatemp.net/topic/307018-awesome-3ds-hacking-theories/

Not trying to flame, just sayin'.
 

CollosalPokemon

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Doesn't the key have 128-bit encryption? Meaning that it would take somewhere around 100,000,000 years to find it or something? I remember reading an old thread about it....

Well, I (think) there was somewhere around 4 Quintilian possible keys to brute force, or maybe more. The '100,000,000 years' is just to say "don't even dare to brute force it." Using brute force - while it may work eventually - is a very, very terrible option in this case. Just wait for someone like neimod to find the keys with his RAM dumper. It'll be 100 million years faster than brute force :creep:
 
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SifJar

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TMDs aren't encrypted. Certainly not on Wii anyway, I would assume on 3DS also.

EDIT: Yeah, think I was right. Details on structure of TMDs here: http://3dbrew.org/wiki/TMD Seems pretty similar to Wii TMDs. There's also code by trap15 to parse them, available at 3dbrew at the link I gave above.
 

arashb

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Doesn't the key have 128-bit encryption? Meaning that it would take somewhere around 100,000,000 years to find it or something? I remember reading an old thread about it....

Well, I (think) there was somewhere around 4 Quintilian possible keys to brute force, or maybe more. The '100,000,000 years' is just to say "don't even dare to brute force it." Using brute force - while it may work eventually - is a very, very terrible option in this case. Just wait for someone like neimod to find the keys with his RAM dumper. It'll be 100 million years faster than brute force :creep:

Only assuming brute force doesn't guess it right on the first try :P. If it were to take 100,000,000 years then that would mean the encryption key is simply all 9s, correct?
 

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