> > Can the iButton encrypt a stream in/out of the device? I'm not sure how
> > they work... are they just keys (in which case we would still need to
> > write an implementation, but its a step in the right direction)?
>
> The buttons should be used for key exchange, not stream encoding/decoding
> as every byte has to travel the 9600 bps 1-wire twice...
That wouldn't be to bad for speed... the running outpost would only need to
read the ibutton once, and store its key in ram.
- Brill
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