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Date: Mon, 8 Apr 2013 08:35:08 +0300
From: Hasinoliva MIARIMANJATO <hasinoliva@...il.com>
To: kernel-hardening@...ts.openwall.com
Subject: Re: Re: [PATCH 1/3] x86: routines to choose random
kernel base offset
Hi i want to get so more information about pohmelfs ; i want to get
pohmelfs server and pohmelfs client that i don't find it in the internet ,
please help me
thank you.
2013/4/5 H. Peter Anvin <hpa@...or.com>
> On 04/05/2013 12:36 AM, Ingo Molnar wrote:
> >
> > * Ingo Molnar <mingo@...nel.org> wrote:
> >
> >>
> >> * Kees Cook <keescook@...omium.org> wrote:
> >>
> >>> This provides routines for selecting a randomized kernel base offset,
> >>> bounded by e820 details. It tries to use RDRAND and falls back to
> RDTSC.
> >>> If "noaslr" is on the kernel command line, no offset will be used.
> >>
> >> Would it make sense to also add three other sources of entropy:
> >
> > In any case, would it be possible to also mix these bootup sources of
> > entropy into our regular random pool?
> >
> > That would improve random pool entropy on all Linux systems, not just
> > those that choose to enable kernel-base-address randomization.
> >
>
> I think we already do at least some of these, but at this point, for any
> non-RDRAND-capable hardware we could almost certainly do better for any
> definition of anything at all.
>
> RDRAND is obviously the ultimate solution here.
>
> -hpa
>
>
>
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