[Cryptech Tech] Suggested changes to TRNG

[Joachim Strömbergson]

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Aloha!

Bernd Paysan wrote:
> The rosc entropy source's jitter is measured (on the Altera, didn't 
> yet measure the Xilinx) to deliver one good random sample per 128 
> cycles, so you should a) wait for these 128 cycles after startup,
> and b) between every readout.

Good point.

Right now the oscillator bit value is sampled every 256 cycles. With the
new warmup then get to wait a bit longer than that before being sampled
for the first time.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
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 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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