Messages in this thread | | | Date | Tue, 19 Dec 2000 18:39:31 +0100 | From | Pavel Machek <> | Subject | Re: /dev/random: really secure? |
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Hi!
> On Mon, Dec 18, 2000 at 04:33:13PM -0500, Theodore Y. Ts'o wrote: > > Note that writing to /dev/random does *not* update the entropy estimate, > > for this very reason. The assumption is that inputs to the entropy > > estimator have to be trusted, and since /dev/random is typically > > world-writeable, it is not so trusted. > > It should not be world-writeable, IMHO. So the only one who can feed entropy > there is root, who should know aht (s)he's doing ... > Here (SuSE Linux 7.x), it is 644:
You actually *want* random people to send entropy into your pool. Just do not increase counters. That way, entropy can only get better :-). Pavel -- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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