From: Horia Geanta <horia.geanta@nxp.com>
To: Philipp Puschmann <philipp.puschmann@emlix.com>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>,
"herbert@gondor.apana.org.au" <herbert@gondor.apana.org.au>,
"davem@davemloft.net" <davem@davemloft.net>,
"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"o.rempel@pengutronix.de" <o.rempel@pengutronix.de>
Subject: Re: [PATCH] crypto: caam: set hwrng quality level
Date: Tue, 19 Feb 2019 06:57:10 +0000 [thread overview]
Message-ID: <VI1PR0402MB34850724B851235EE1FCE2D0987C0@VI1PR0402MB3485.eurprd04.prod.outlook.com> (raw)
In-Reply-To: 20190213144907.5696-1-philipp.puschmann@emlix.com
On 2/13/2019 4:49 PM, Philipp Puschmann wrote:
> When quality is set to 0 this driver is not used as randomness source by
> HWRNG framework at all. So set the quality and finally make this driver
> work. The value of the quality was discussed before
> ( see see https://patchwork.kernel.org/patch/9850669/ ) and it is still a rough
> value.
>
In the same thread you mention, the conclusion is that caamrng should be
properly configured (TRNG instead of DRBG) before claiming to be a reliable
hwrng entropy source.
Horia
prev parent reply other threads:[~2019-02-19 6:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 14:49 [PATCH] crypto: caam: set hwrng quality level Philipp Puschmann
2019-02-19 6:57 ` Horia Geanta [this message]
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