Quote:
Originally Posted by Axanar
Out of curiosity. Isn't the KindleOS based upon Linux, using some sort of own filesystem (maybe compareable to the one that initramfs is using?). Isn't there a way to unpack the *.bin file by any means, hack around some settings inside there and repack to a new *.bin so it can be used to update the Kindle?
I am just speculating here since I never cared for Jailbreaking my Kindle. The recent *lighter font* messup released by Amazon caught me with the idea of Jailbreaking the Kindle as soon as a new JB is available. Only to avoid future *surprises* by Amazon.
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Short answer: No
Longer answer:
The update_*.bin packages are cryptographiclly signed.
The firmware's installer tests the signature with the signature certificates in the Kindle's key store.
Our (mis-named) "Jail break" adds the MR developer's certificate to the Kindle's key store.
The tool to take apart (and put back together) the update_*.bin packages is named: KindleTool
The most recent version is always to be found in NiLuJe's snapshots thread top post.