Messages in this thread | | | From | Benny Amorsen <> | Subject | Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE_RANDOM | Date | Sun, 25 May 2008 21:33:45 +0200 |
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Glen Turner <gdt@gdt.id.au> writes:
> On Fri, 2008-05-16 at 22:34 +0200, Benny Amorsen wrote: > >> Perhaps it would be possible to make most types of interrupts add >> entropy, but not credit any entropy? > > You need to be certain that those sources are not able > to be influenced by a hostile party, otherwise the entropy > pool can be degraded to be less random over successive samples > than its entropy score suggests.
Not if we don't credit any entropy. /dev/random is engineered to be safe against getting non-random input, as long as that input isn't credited with entropy. /dev/random is even world writable by default.
/Benny
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