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Date: Mon, 1 Apr 2019 14:57:34 +0700
Message-ID: <CAEZPtU6XAtJPZ21_KvgyY2Pt2S-C7-cf9PAWAPG8m3_JOC-fow@mail.gmail.com>
To: Arvids Godjuks <arvids.godjuks@gmail.com>
Cc: David Rodrigues <david.proweb@gmail.com>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] random_seed()
From: pierre.php@gmail.com (Pierre Joye)

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Good afternoon,

fully correct.  Seeds are not needed anymore.


best,

On Mon, Apr 1, 2019, 12:44 PM Arvids Godjuks <arvids.godjuks@gmail.com>
wrote:

> On Mon, Apr 1, 2019, 05:52 David Rodrigues <david.proweb@gmail.com> wrote:
>
> > Just to know, can we have a random_seed() for random_int()/random_bytes()
> > like we have mt_srand() to mt_rand()?
> >
> > I don't know if random_int() is more "random" than mt_rand(), but if it
> is,
> > so maybe is valid a random_seed() function.
> >
> > --
> > David Rodrigues
> >
>
> Hello,
>
> random_bytes/random_int use proper random generation source - /dev/urandom
> in most cases (and appropriate source on windows)  - that's the whole point
> why they were introduced. There is no need for seeds nor it can even be
> initialized with a seed.
> They are, as far as I understand, cryptographically safe random generators.
>
> I suggest reading up on the subject, the RFC and the whole thing. Their
> introduction was well covered by various core devs in blog posts.
>
> >
>

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