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I believe this feat is only possible thanks to an effort to crack 512 bit RSA signatures used to sign the firmwares. Is this only the case on newer calculators
by jevinskie 12y ago
I believe this feat is only possible thanks to an effort to crack 512 bit RSA signatures used to sign the firmwares. Is this only the case on newer calculators like the TI 83+ SE or did even the earlier calculators use RSA?
- dTal 12y agoDepends what you mean by "newer". The TI-89 is considerably older than the TI-83+ and it also uses RSA. All of the TI calculators with updatable firmware (i.e. all the ones with flash memory instead of ROM) use RSA and have now had their keys factored [note]. Here's the comprehensive list: http://db48x.net/TI-keys/keys.shtml http://db48x.net/TI-keys/keys.shtml [note] apart from the very newest ARM-based TI Nspire, which is a completely different generation.