[Cryptography] The Crypto Pi

Ben Laurie benl at google.com
Sun Jan 25 15:48:48 EST 2015

On 25 January 2015 at 17:46, Ralf Senderek <crypto at senderek.ie> wrote:
> On Sun, 25 Jan 2015 17:41:35 Ben Laurie wrote:
>> My point is I don't believe that entropy_avail really represents a
>> useful measurement.
> Okay, is there an alternative?

A different religion?

> If entropy_avail is misleading, we're shooting in the dark while trying to
> find out how much entropy is in a chunk of bytes read from /dev/random.
>> We did some experiments a while back which suggest that you can get
>> sufficient entropy during startup by measuring device attach times.
> Are there any pointers to these experiments? Sounds as if that could
> help the beagle bone quite a bit.

At the time, the diff was:


BTW, I don't agree with not mixing all inputs.

Experimental data:


>    --Ralf
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