linux-kernel - Re: [PATCH v4 06/11] security: keys: trusted: Verify creation data

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Message-ID: <202211041135.0B18C14@keescook>
Date:   Fri, 4 Nov 2022 11:35:28 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Evan Green <evgreen@...omium.org>
Cc:     linux-kernel@...r.kernel.org, corbet@....net,
        linux-pm@...r.kernel.org, rjw@...ysocki.net, gwendal@...omium.org,
        apronin@...omium.org, Pavel Machek <pavel@....cz>,
        Matthew Garrett <mgarrett@...ora.tech>,
        linux-integrity@...r.kernel.org, jejb@...ux.ibm.com,
        zohar@...ux.ibm.com, dlunev@...gle.com,
        Eric Biggers <ebiggers@...nel.org>,
        Ben Boeckel <me@...boeckel.net>, jarkko@...nel.org,
        Matthew Garrett <mjg59@...gle.com>,
        David Howells <dhowells@...hat.com>,
        James Morris <jmorris@...ei.org>,
        Matthew Garrett <matthewgarrett@...gle.com>,
        Paul Moore <paul@...l-moore.com>,
        "Serge E. Hallyn" <serge@...lyn.com>, axelj <axelj@...s.com>,
        keyrings@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH v4 06/11] security: keys: trusted: Verify creation data

On Thu, Nov 03, 2022 at 11:01:14AM -0700, Evan Green wrote:
> If a loaded key contains creation data, ask the TPM to verify that
> creation data. This allows users like encrypted hibernate to know that
> the loaded and parsed creation data has not been tampered with.
> 
> Suggested-by: Matthew Garrett <mjg59@...gle.com>
> Signed-off-by: Evan Green <evgreen@...omium.org>

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook