linux-kernel - Re: [PATCH v3] Instantiate key with user-provided decrypted data.

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Message-ID: <YcupVS1fxe2nHgy+@iki.fi>
Date:   Wed, 29 Dec 2021 02:18:29 +0200
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Yael Tiomkin <yaelt@...gle.com>
Cc:     linux-integrity@...r.kernel.org, jejb@...ux.ibm.com,
        zohar@...ux.ibm.com, corbet@....net, dhowells@...hat.com,
        jmorris@...ei.org, serge@...lyn.com, keyrings@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH v3] Instantiate key with user-provided decrypted data.

On Wed, Dec 22, 2021 at 12:17:57PM -0500, Yael Tiomkin wrote:
> The encrypted.c class supports instantiation of encrypted keys with
> either an already-encrypted key material, or by generating new key
> material based on random numbers. To support encryption of
> user-provided decrypted data, this patch defines a new datablob
> format: [<format>] <master-key name> <decrypted data length>
> <decrypted data>.

So, the code change looks quite legit but why is this needed?

This part is missing from the commit message.

/Jarkko