Re: [PATCH, RFC] random: introduce getrandom(2) system call
From: Bob Beck
Date: Thu Jul 17 2014 - 13:46:25 EST
we have diffs pending that will do the syscall method until we start
to see it in libc :)
So basically we're going to put that in right away :)
On Thu, Jul 17, 2014 at 11:34 AM, Theodore Ts'o <tytso@xxxxxxx> wrote:
> On Thu, Jul 17, 2014 at 11:05:01AM -0600, Bob Beck wrote:
>> Hi Ted, yeah I understand the reasoning, it would be good if there was
>> a way to influence the various libc people to
>> ensure they manage to provide a getentropy().
>
> I don't anticipate that to be a problem. And before they do, and/or
> if you are dealing with a system where the kernel has been upgraded,
> but not libc, you have your choice of either sticking with the
> binary_sysctl approach, or calling getrandom directly using the
> syscall method; and in that case, whether we use getrandom() or
> provide an exact getentropy() replacement system call isn't that much
> difference, since you'd have to have Linux-specific workaround code
> anyway....
>
> - Ted
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