On Thu, Nov 15, 2012 at 1:05 AM, Andrea Oliveri <oliveriand...@gmail.com> wrote:
> Hello,
> I have a Thinkpad T430 with this chip.
> I tried to develop a driver for it but i stoped becouse the
> communication between the pc and the chip is encrypted. After some
> initial message (like "Ciao") the chip (i think) sends to pc a random
> message and the pc crypts this message and repost it to the chip. The
> message is different whenever the communication is opened.
> The easier solution is to develop a intermediate layer between libfprint
> and the proprietary library....

It's still possible to disassemble windows driver (or their library!)
and figure out what encryption algorithm they use

I don't think that using proprietary blob is a good idea.

Regards
Vasily
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