From: "Jarkko Sakkinen" <jarkko@kernel•org>
To: "David Gstir" <david@sigma-star•at>,
"Mimi Zohar" <zohar@linux•ibm.com>,
"James Bottomley" <jejb@linux•ibm.com>,
"Herbert Xu" <herbert@gondor•apana.org.au>,
"David S. Miller" <davem@davemloft•net>
Cc: linux-doc@vger•kernel.org,
Catalin Marinas <catalin.marinas@arm•com>,
David Howells <dhowells@redhat•com>,
keyrings@vger•kernel.org, Fabio Estevam <festevam@gmail•com>,
Ahmad Fatoum <a.fatoum@pengutronix•de>,
Paul Moore <paul@paul-moore•com>,
Jonathan Corbet <corbet@lwn•net>,
Richard Weinberger <richard@nod•at>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel•com>,
James Morris <jmorris@namei•org>,
NXP Linux Team <linux-imx@nxp•com>,
"Serge E. Hallyn" <serge@hallyn•com>,
"Paul E. McKenney" <paulmck@kernel•org>,
Sascha Hauer <s.hauer@pengutronix•de>,
sigma star Kernel Team <upstream+dcp@sigma-star•at>,
"Steven Rostedt \(Google\)" <rostedt@goodmis•org>,
David Oberhollenzer <david.oberhollenzer@sigma-star•at>,
linux-arm-kernel@lists•infradead.org,
linuxppc-dev@lists•ozlabs.org,
Randy Dunlap <rdunlap@infradead•org>,
linux-kernel@vger•kernel.org, Li Yang <leoyang.li@nxp•com>,
linux-security-module@vger•kernel.org,
linux-crypto@vger•kernel.org,
Pengutronix Kernel Team <kernel@pengutronix•de>,
Tejun Heo <tj@kernel•org>,
linux-integrity@vger•kernel.org, Shawn Guo <shawnguo@kernel•org>
Subject: Re: [PATCH v6 5/6] docs: document DCP-backed trusted keys kernel params
Date: Thu, 07 Mar 2024 21:32:08 +0200 [thread overview]
Message-ID: <CZNRO3HH6T0W.R91RSALY7S88@kernel.org> (raw)
In-Reply-To: <20240307153842.80033-6-david@sigma-star.at>
On Thu Mar 7, 2024 at 5:38 PM EET, David Gstir wrote:
> Document the kernel parameters trusted.dcp_use_otp_key
> and trusted.dcp_skip_zk_test for DCP-backed trusted keys.
>
> Co-developed-by: Richard Weinberger <richard@nod•at>
> Signed-off-by: Richard Weinberger <richard@nod•at>
> Co-developed-by: David Oberhollenzer <david.oberhollenzer@sigma-star•at>
> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star•at>
> Signed-off-by: David Gstir <david@sigma-star•at>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 24c02c704049..b6944e57768a 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -6698,6 +6698,7 @@
> - "tpm"
> - "tee"
> - "caam"
> + - "dcp"
> If not specified then it defaults to iterating through
> the trust source list starting with TPM and assigns the
> first trust source as a backend which is initialized
> @@ -6713,6 +6714,18 @@
> If not specified, "default" is used. In this case,
> the RNG's choice is left to each individual trust source.
>
> + trusted.dcp_use_otp_key
> + This is intended to be used in combination with
> + trusted.source=dcp and will select the DCP OTP key
> + instead of the DCP UNIQUE key blob encryption.
> +
> + trusted.dcp_skip_zk_test
> + This is intended to be used in combination with
> + trusted.source=dcp and will disable the check if all
> + the blob key is zero'ed. This is helpful for situations where
> + having this key zero'ed is acceptable. E.g. in testing
> + scenarios.
> +
> tsc= Disable clocksource stability checks for TSC.
> Format: <string>
> [x86] reliable: mark tsc clocksource as reliable, this
I don't disagree with the API part.
Mimi?
BR, Jarkko
next prev parent reply other threads:[~2024-03-07 19:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 15:38 [PATCH v5 0/6] DCP as trusted keys backend David Gstir
2024-03-07 15:38 ` [PATCH v6 1/6] crypto: mxs-dcp: Add support for hardware-bound keys David Gstir
2024-03-07 19:17 ` Jarkko Sakkinen
2024-03-07 15:38 ` [PATCH v6 2/6] KEYS: trusted: improve scalability of trust source config David Gstir
2024-03-07 19:18 ` Jarkko Sakkinen
2024-03-07 15:38 ` [PATCH v6 3/6] KEYS: trusted: Introduce NXP DCP-backed trusted keys David Gstir
2024-03-07 19:23 ` Jarkko Sakkinen
2024-03-07 19:30 ` Jarkko Sakkinen
2024-03-08 7:17 ` David Gstir
2024-03-11 20:07 ` Jarkko Sakkinen
2024-03-07 15:38 ` [PATCH v6 4/6] MAINTAINERS: add entry for DCP-based " David Gstir
2024-03-07 15:38 ` [PATCH v6 5/6] docs: document DCP-backed trusted keys kernel params David Gstir
2024-03-07 19:32 ` Jarkko Sakkinen [this message]
2024-03-07 15:38 ` [PATCH v6 6/6] docs: trusted-encrypted: add DCP as new trust source David Gstir
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