> Thermal noise is probably your most easily available source of
> randomness. The hard part is estimating the amount of entropy
> derivable, unfortunately; electrical interference can cause the
> entropy to be less than what you would expect. The /dev/random mixing
> function takes care of removing the predictable stuff, but you still
> need to get a value (conservative is fine) for the amount of entropy
> actually available.
Yep. Most risky is a receiver in a Farraday cage. On most buildings this
problem is also a case.
I'm planning of implementing a hardware random device someday.. When I
have some spare time (which is about a few weeks).
>
> -hpa
>
Igmar
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed May 31 2000 - 21:00:18 EST