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Date:	Wed, 23 Jul 2014 11:47:15 +0200
From:	Hannes Frederic Sowa <>
To:	"Theodore Ts'o" <>
Cc:	George Spelvin <>,,
Subject: Re: [PATCH, RFC] random: introduce getrandom(2) system call


On Wed, Jul 23, 2014, at 00:59, Theodore Ts'o wrote:
> But why would you need to use GRND_RANDOM in your scenario, and accept
> your application potentially getting stalled and stuck in amber for
> perhaps hours?  If you are going to accept your application stalling
> like that, you can do the pointer arithmatic.  It's really not hard,
> and someone who can't do that, again, shouldn't be allowd anywhere
> near crypto code in the first place (and if they are, they'll probably
> be making lots of other, equally fatal if not more so, newbie
> mistakes).

I favored the idea of having a non-failing non-partial-read getrandom
syscall. But I am with you if it often causes long stalls that we should
stick to the old semantics.


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