linux-kernel - Re: [PATCH v10 5/8] crypto: Add ML-DSA crypto

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Message-ID: <3647621.1764005088@warthog.procyon.org.uk>
Date: Mon, 24 Nov 2025 17:24:48 +0000
From: David Howells <dhowells@...hat.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: dhowells@...hat.com, Herbert Xu <herbert@...dor.apana.org.au>,
    Luis Chamberlain <mcgrof@...nel.org>,
    Petr Pavlu <petr.pavlu@...e.com>, Daniel Gomez <da.gomez@...nel.org>,
    Sami Tolvanen <samitolvanen@...gle.com>,
    "Jason A .
 Donenfeld" <Jason@...c4.com>,
    Ard Biesheuvel <ardb@...nel.org>,
    Stephan Mueller <smueller@...onox.de>,
    Lukas Wunner <lukas@...ner.de>,
    Ignat Korchagin <ignat@...udflare.com>, linux-crypto@...r.kernel.org,
    keyrings@...r.kernel.org, linux-modules@...r.kernel.org,
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 5/8] crypto: Add ML-DSA crypto_sig support

Eric Biggers <ebiggers@...nel.org> wrote:

> Still not really sure what the point is.  There's only one user of
> crypto_sig, and it could just call the ML-DSA functions directly.

Is it your aim to kill off the crypto/ dir and all the (old) crypto API?

Someone (not me) thought it worthwhile removing the akcipher algorithms out of
crypto/asymmetric_keys/ and interfacing to them inside crypto_akcipher and
crypto_sig.

Anyway, I'll continue using crypto_sig as that provides module autoload
capabilities - meaning we don't have to build all the algorithms into the base
kernel.

David