Am Freitag, 27. Mai 2016, 16:09:53 schrieb Sandy Harris:
Hi Sandy,
> On Fri, May 27, 2016 at 2:30 PM, Stephan Mueller <smueller@xxxxxxxxxx>
wrote:
> > This document describes extractors. Those extractors are intended to
> > combine *independent* sources with weak entropy.
> >
> > None of our sources we have in add_*_randomness are independent.
>
> No, but it would be easy to get two independent sources, interrupts
> and some sort of timer jitter thing as in my maxwell, your jitter
> driver, havege, ...
I think I would concur with you here. From my LRNG code:
static int lrng_pdrbg_seed_internal(u8 *outbuf, u32 outbuflen, bool
fullentropy,
bool drain)
{
...
/*
* Concatenate the output of the noise sources. This would be the
* spot to add an entropy extractor logic if desired.
...
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Ciao
Stephan
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