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Bullshit. Virtually Impossible, Considering the ECSDA Algorithim, You must login or register to view this content.

But can I use a downgraded ???

Okay Okay ! I give you credit for that , but c'mon at least one person in this world can. Like Anonymous, you have no idea what they are capable of.

Yes, but only using hardware. Any of the following:
E3 Flasher
TEENSY++ 2.0
ProgSkeet

Or you can find someone to do the service for you. Which does require to mail it to them. Check Ebay, that what I did.

Nope, Neither Plausible nor Probable, Breaking the ECDSA , What's Next? James Cameron directing a good movie?

LMFAO !! Okay fine you win its Impossible ! Idk someday maybe .

Originally posted by another user

Originally posted by Chris88

LMFAO !! Okay fine you win its Impossible ! Idk someday maybe .

v
Once you know the private key dA, you can now sign your files and the PS3 will recognize it as an authentic file signed by Sony. This is why it’s important to make sure that the random number used for generating the signature is actually “cryptographically random”. This is also the reason why it is impossible to have a custom firmware above 3.56, simply because since the 3.56 version, Sony have fixed their ECDSA algorithm implementation and used new keys for which it is impossible to find the private key.. if there was a way to find that key, then the security of every computer, website, system may be compromised since a lot of systems are relying on ECDSA for their security, and it is impossible to crack.

Quote From Kakaroto's Post.

I'll give you information why there will never be a custom firmware before 3.55:
So basically, you want to know how the 3.55 was jailbroken? Basically, Geohot and the Overfl0w team found out an exploit which Sony made a mistake on which is creating a new K value for the key for the PS3 to function properly with encryption. With that K value error, basically it made the security useless to have it and that's when Geohot got the keys and was able to jailbreak any firmware before 3.55. Now, since Sony fixed that K value error on the 3.56+, unless there is another exploit which is very unlikely, there will never be a 3.56+ jailbreak because of how it will take a billion years to find the key (256 bit key I believe) and if they do find that key again, most likely Sony will track down the CFW users that uses it and also bring the person to court for releasing the keys.