linux-kernel - Re: [PATCH v4 07/11] PM: hibernate: Add kernel-based encryption

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Message-ID: <202211041135.EAC889BA08@keescook>
Date:   Fri, 4 Nov 2022 11:38:56 -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,
        Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v4 07/11] PM: hibernate: Add kernel-based encryption

On Thu, Nov 03, 2022 at 11:01:15AM -0700, Evan Green wrote:
> [...]
> +config ENCRYPTED_HIBERNATION
> +	bool "Encryption support for userspace snapshots"
> +	depends on HIBERNATION_SNAPSHOT_DEV
> +	depends on CRYPTO_AEAD2=y
> +	default n

"default n" is the, err, default, so this line can be left out.

If someone more familiar with the crypto pieces can review the rest,
that would be good. :)

-- 
Kees Cook