need someone to develop this....
tilman at baumann.name
Sat Dec 1 00:15:42 CET 2007
Beware. This is not a new idea. Patents?.... ;)
Btw. i would suggest bashing the phones together. (like a wood block
This will produce uinique paterns which do not depend very much on the
resolution of the accelerometers and could easyly picket up by a legacy
microphone of any hone without accelerometer.
Just my 2 Eurocent ;)
PS: Great idea indeed. We need this...
PS: I know Eve could hear the sounds of the phone bashing together and
play a replay attack. But come on, it is Bluetooth.
The only reason Bluetooth is not considered insecure is frequency
hopping. The crypro layer is lame.
Heikki Sørum wrote:
> When were talking about different ways to use accelerometers..
> Bob meet's Alice and they both want each others contact
> information. First Bob and Alice shake their phones in an predetermined
> password pattern to unlock the
> Then they both shake their phones in rythm to an short tune
> playing on Alice's phone. The phones then pair with the
> other phone, exchange simple authkeys and Vcards.
> Now Bob and Alice has authenticated each others phones and they got
> each others phone number. Lucky Bob and Alice!
> On an more serious note, Two such paired bluetooth devices could also
> exchange an RSA/DSA encryption key to ensure private
> Heikki Soerum.
More information about the community