linux-kernel - Re: [PATCH] KEYS: encrypted: Replace deprecated strcpy and improve get_derived

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Message-Id: <C7360ADD-68AF-4305-A643-50CF5F44F7DC@linux.dev>
Date: Thu, 13 Nov 2025 21:23:01 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Eric Biggers <ebiggers@...nel.org>
Cc: Mimi Zohar <zohar@...ux.ibm.com>,
 David Howells <dhowells@...hat.com>,
 Jarkko Sakkinen <jarkko@...nel.org>,
 Paul Moore <paul@...l-moore.com>,
 James Morris <jmorris@...ei.org>,
 "Serge E. Hallyn" <serge@...lyn.com>,
 linux-hardening@...r.kernel.org,
 linux-integrity@...r.kernel.org,
 keyrings@...r.kernel.org,
 linux-security-module@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KEYS: encrypted: Replace deprecated strcpy and improve
 get_derived_key

On 13. Nov 2025, at 18:29, Eric Biggers wrote:
> [...]
> 
> This changes the resulting derived key when key_type == 0 &&
> master_keylen >= 24, because different bytes are passed to sha256().

I see, thanks. I'll submit a v2.