unpredictableSeed

[Rob T]

On Saturday, 2 March 2013 at 17:40:58 UTC, Joseph Rushton 
Wakeling wrote:
> Hello all,
>
> Can anyone advise on the theoretical basis for the 
> unpredictableSeed method in std.random?  I've tried googling 
> around for the theory of good thread-safe seed generation 
> methods but haven't really found anything. :-(
>
> Thanks & best wishes,
>
>     -- Joe

You can use the real time clock, which should have nanosecond 
precision. It should be very hard to predict because the clock 
will fluctuate based on environmental factors. I don't know if 
all architectures have an adequate real time clock however if 
portability is needed.

--rt