[Microbit-Python] micro:badge

[Nicholas H.Tollervey]

Daniel,

This sounds great! Please do keep asking questions, when I was writing
the (upcoming) MicroPython book, one of the examples I used is a very
simple mesh network for inter-device communication. It's a fun problem,
but I left it as an exercise for the reader to add security related
challenges (although I have some thoughts about the things you mention).

Best of luck,

N.

On 22/07/17 16:34, Daniel Hill wrote:
> Oops! Back before we were using pxt I thought i was able to try it. It
> uses just the radio now. 
> 
> The first thing I'm discussing with badge holders is a mesh network
> protocol. As this is for DEFCON, the security challenges here are at the
> forefront. Can we avoid replay attacks? Add privacy? How about
> authentication? All in the tight little microcontroller memory size.
> 
> I think I'll stick with adding mundane stuff until the con. Was thinking
> of a new feature where you would hold it face down in the air and it
> would tell you how many pairings are in range with a ping-like
> challenge/response.
> 
> 
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