[dpdk-dev] [RFC] eal: make rte_rand() MT safe
Mattias Rönnblom
mattias.ronnblom at ericsson.com
Sat Apr 6 07:52:31 CEST 2019
On 2019-04-05 22:50, Stephen Hemminger wrote:
>
> Read the discussion link about ARC4. http://www.pcg-random.org/
>
> As a general-purpose PRNG, it is rather slow, and it is also slow by
> the standards of modern cryptographic PRNGs and is also considered too
> weak to use for cryptographic purposes. It is, however, of historical
> interest and can be useful in testing to see how sensitive a algorithms
> are to PRNG speed.
>
> Using ARC4 replaces a one legacy one with another.
>
Yes, I agree.
After looking at the code, I learned that - seemingly - most
arc4random() implementations aren't using ARC4, but ChaCha.
Would it be unfortunate from a export control point of view to include
cipher-based random generators in DPDK?
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