From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH master 1/2] crypto: ecc: use HWRNG for random numbers
Date: Tue, 22 Apr 2025 10:25:05 +0200 [thread overview]
Message-ID: <174531030518.3002997.17543028074698864341.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250417062152.3425911-1-a.fatoum@pengutronix.de>
On Thu, 17 Apr 2025 08:21:51 +0200, Ahmad Fatoum wrote:
> The kernel's get_random_bytes provides random numbers suitable for crypto
> purposes, while in barebox, we need to use get_crypto_bytes for that.
>
> This footgun needs to be fixed, but until we do, let's make sure crypto
> code doesn't use a badly seeded PRNG.
>
> Fortunately crypto_ecdh_shared_secret is currently unused and this
> doesn't affect any upstream users.
>
> [...]
Applied, thanks!
[1/2] crypto: ecc: use HWRNG for random numbers
https://git.pengutronix.de/cgit/barebox/commit/?id=4532f50b8a8a (link may not be stable)
[2/2] crypto: imx-scc: blobgen: use HWRNG for random numbers
https://git.pengutronix.de/cgit/barebox/commit/?id=cc8b962b1dca (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-04-22 9:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-17 6:21 Ahmad Fatoum
2025-04-17 6:21 ` [PATCH master 2/2] crypto: imx-scc: blobgen: " Ahmad Fatoum
2025-04-22 8:25 ` Sascha Hauer [this message]
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