Messages in this thread | | | Date | Fri, 16 May 2008 18:25:12 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE_RANDOM |
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Herbert Xu wrote: > On Fri, May 16, 2008 at 12:19:49PM +0200, Andi Kleen wrote: >> Just think a little bit: system has no randomness source except the >> hardware RNG. you do your strange randomness verification. if it fails >> what do you do? You don't feed anything into your entropy pool and all >> your random output is predictable (just boot time) If you add anything >> predictable from another source it's still predictable, no difference. > > You can continue to feed data into the pool even if it fails the > test. You just keep the entropy value same as before.
You could do that, but what advantage would it have? I don't think it's worth running the FIPS test, or rather requiring the user land daemon and leaving behind most of the userbase just for this.
-Andi
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