Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Mon, 25 Sep 2017 15:43:59 +0100
From: David Howells <dhowells@...hat.com>
To: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: dhowells@...hat.com, linux-security-module@...r.kernel.org,
    keyrings@...r.kernel.org, kernel-hardening@...ts.openwall.com,
    linux-kernel@...r.kernel.org, ebiggers3@...il.com,
    Herbert Xu <herbert@...dor.apana.org.au>,
    Kirill Marinushkin <k.marinushkin@...il.com>, security@...nel.org,
    stable@...r.kernel.org
Subject: Re: [PATCH v7 2/2] security/keys: rewrite all of big_key crypto

Jason A. Donenfeld <Jason@...c4.com> wrote:

> +	/* no ->update(); don't add it without changing big_key_crypt() nonce */

Should update be a problem.  It's should be a complete payload replacement -
kind of like unlink and add, but keeping the same key ID and description.

David

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