On Mon, Sep 14, 2020 at 6:29 PM Willy Tarreau wrote:
>
> On Mon, Sep 14, 2020 at 06:16:40PM +0200, Sedat Dilek wrote:
> > On Mon, Sep 14, 2020 at 4:53 PM Amit Klein wrote:
> > >
> > > Hi
> > >
> > > Is this patch being pushed to any branch? I don't see it deployed
> > > anywhere (unless I'm miss
On Mon, Sep 14, 2020 at 06:16:40PM +0200, Sedat Dilek wrote:
> On Mon, Sep 14, 2020 at 4:53 PM Amit Klein wrote:
> >
> > Hi
> >
> > Is this patch being pushed to any branch? I don't see it deployed anywhere
> > (unless I'm missing something...).
> >
>
> It's here:
>
> [1]
> https://git.kernel.
On Mon, Sep 14, 2020 at 4:53 PM Amit Klein wrote:
>
> Hi
>
> Is this patch being pushed to any branch? I don't see it deployed anywhere
> (unless I'm missing something...).
>
It's here:
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/prandom.git/log/?h=20200901-siphash-noise
> Be
On Tue, Sep 01, 2020 at 01:10:18PM +, David Laight wrote:
> From: Willy Tarreau
> > Sent: 01 September 2020 07:43
> ...
> > +/*
> > + * Generate some initially weak seeding values to allow
> > + * the prandom_u32() engine to be started.
> > + */
> > +static int __init prandom_init_early(void)
>
From: Willy Tarreau
> Sent: 01 September 2020 07:43
...
> +/*
> + * Generate some initially weak seeding values to allow
> + * the prandom_u32() engine to be started.
> + */
> +static int __init prandom_init_early(void)
> +{
> + int i;
> + unsigned long v0, v1, v2, v3;
> +
> + if (!
On Tue, Sep 1, 2020 at 10:57 AM Willy Tarreau wrote:
>
> On Tue, Sep 01, 2020 at 10:46:16AM +0200, Sedat Dilek wrote:
> > Will you push the updated patchset to your prandom Git - for easy fetching?
>
> Yeah if you want, feel free to use this one :
>
> https://git.kernel.org/pub/scm/linux/kerne
On Tue, Sep 01, 2020 at 10:46:16AM +0200, Sedat Dilek wrote:
> Will you push the updated patchset to your prandom Git - for easy fetching?
Yeah if you want, feel free to use this one :
https://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/prandom.git/log/?h=20200901-siphash-noise
Willy
On Tue, Sep 1, 2020 at 10:39 AM Willy Tarreau wrote:
>
> On Tue, Sep 01, 2020 at 10:33:40AM +0200, Yann Ylavic wrote:
> > On Tue, Sep 1, 2020 at 8:45 AM Willy Tarreau wrote:
> > >
> > > +/*
> > > + * Generate some initially weak seeding values to allow
> > > + * the prandom_u32() engine t
On Tue, Sep 01, 2020 at 10:33:40AM +0200, Yann Ylavic wrote:
> On Tue, Sep 1, 2020 at 8:45 AM Willy Tarreau wrote:
> >
> > +/*
> > + * Generate some initially weak seeding values to allow
> > + * the prandom_u32() engine to be started.
> > + */
> > +static int __init prandom_init_early(voi
On Tue, Sep 1, 2020 at 8:45 AM Willy Tarreau wrote:
>
> +/*
> + * Generate some initially weak seeding values to allow
> + * the prandom_u32() engine to be started.
> + */
> +static int __init prandom_init_early(void)
> +{
> + int i;
> + unsigned long v0, v1, v2, v3;
> +
> +
From: George Spelvin
Non-cryptographic PRNGs may have great statistical proprties, but
are usually trivially predictable to someone who knows the algorithm,
given a small sample of their output. An LFSR like prandom_u32() is
particularly simple, even if the sample is widely scattered bits.
It t
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