From: David Gstir <david@sigma-star.at>
To: Mimi Zohar <zohar@linux.ibm.com>,
James Bottomley <jejb@linux.ibm.com>,
Jarkko Sakkinen <jarkko@kernel.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>
Cc: David Gstir <david@sigma-star.at>,
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,
Pengutroni x Kernel Team <kernel@pengutronix.de>,
Tejun Heo <tj@kernel.org>,
linux-integrity@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>
Subject: [PATCH v4 4/5] docs: document DCP-backed trusted keys kernel params
Date: Tue, 24 Oct 2023 18:20:18 +0200 [thread overview]
Message-ID: <20231024162024.51260-5-david@sigma-star.at> (raw)
In-Reply-To: <20231024162024.51260-1-david@sigma-star.at>
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 0a1731a0f0ef..c11eda8b38e0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6566,6 +6566,7 @@
- "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
@@ -6581,6 +6582,18 @@
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
--
2.35.3
next prev parent reply other threads:[~2023-10-24 16:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-24 16:20 [PATCH v4 0/5] DCP as trusted keys backend David Gstir
2023-10-24 16:20 ` [PATCH v4 1/5] crypto: mxs-dcp: Add support for hardware-bound keys David Gstir
2023-10-25 17:40 ` Jarkko Sakkinen
2023-11-17 9:19 ` Herbert Xu
2023-10-24 16:20 ` [PATCH v4 2/5] KEYS: trusted: Introduce NXP DCP-backed trusted keys David Gstir
2023-10-25 17:49 ` Jarkko Sakkinen
2023-10-24 16:20 ` [PATCH v4 3/5] MAINTAINERS: add entry for DCP-based " David Gstir
2023-10-24 16:20 ` David Gstir [this message]
2023-10-24 16:20 ` [PATCH v4 5/5] docs: trusted-encrypted: add DCP as new trust source David Gstir
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