[Cryptech Tech] trng ready for play
Joachim Strömbergson
joachim at secworks.se
Fri Oct 3 07:06:45 UTC 2014
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Aloha!
Randy Bush wrote:
> if entropy providers vary much in speed, having a per-provider
> timeout may be wise.
True. The provider might even be made to handle the timeout itself. The
avalanche entropy provider for example will know the approximate
internal data rate anyway so having it adjusting the timeout. OTOH this
would still push the ability to break out from livelock away from the
collector.
We should make a list of features to add somewhere. For me the highest
priorities right now are:
* Getting the trng to build cleanly against the FPGA on the Novena.
* Getting the trng onto the Novena
* Start doing real testing of the entropy sources as well as random
numbers generated by the trng on the Novena.
* Develop on-line entropy health checks, add test mode functionality
* Optimize performance (the csprng_fifo is totally wrong design-wise. It
works, but does not hide latency.)
After that it is back to ciphers, key wrappers etc.
I think I have things to do. ;-)
- --
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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