From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH v2] net: phy: seed PRNG when PHY comes up and when generating MAC address
Date: Mon, 02 Jun 2025 09:56:28 +0200 [thread overview]
Message-ID: <174885098889.838192.2206279812248323341.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250528154508.639789-1-a.fatoum@pengutronix.de>
On Wed, 28 May 2025 17:45:08 +0200, Ahmad Fatoum wrote:
> The new Xorshift* RNG is seeded only from the cycle counter at startup,
> which is much less entropy for the MAC address generation use case,
> which used the nanosecond timestamp at generation time before the switch
> to Xorshift*.
>
> The nice thing about our new PRNG implementation is that we can call
> srand_xor multiple times to keep adding entropy, so let's do that after
> each PHY link up and prior to generating the MAC address.
>
> [...]
Applied, thanks!
[1/1] net: phy: seed PRNG when PHY comes up and when generating MAC address
https://git.pengutronix.de/cgit/barebox/commit/?id=a9f987772af7 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-06-02 7:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-28 15:45 Ahmad Fatoum
2025-06-02 7:56 ` Sascha Hauer [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=174885098889.838192.2206279812248323341.b4-ty@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=a.fatoum@pengutronix.de \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox