From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24F6429E0E9; Mon, 17 Nov 2025 20:14:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763410458; cv=none; b=VBDKS3UnKtagzQSkbkdiSxqzUC8BEMkFvMFIuZZvZH/cch7LX7XOTbqQnDPUW+M9FoFPhJN/x0A6E+yMDdYWy5rAKinhJ3p2NPDJcz7usU8yi4SR2laOgMZAwkJzDuP9cwXWt1+DCwUZTqI0p4qapbl5jKkTe561E3LVP1i8nbA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763410458; c=relaxed/simple; bh=3RrRIVVEg4XKIJ5zloRokmCYGtairOMQadpCu/YDyZY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EoBEXXYzKjAHRi02KgcEPQiwoRWkRh2yGlqhjFsL9ujHjso2yPnyOR6Z1dCnDOfrbloSTINqwXCZeOgRkmmdTZPBFt/nvGvujxmBuyTaiC9WWQzRb04cwsL5u7Q74fSNICdmy/3ZXfxmcPhJ2EHcoK1sOauRV6ni2CXqJf7Dgwc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ojcS00gq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ojcS00gq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09EC2C2BC86; Mon, 17 Nov 2025 20:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763410457; bh=3RrRIVVEg4XKIJ5zloRokmCYGtairOMQadpCu/YDyZY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ojcS00gqZYycJlusK1fmbxaXtGRwqen8wsrelpDDthBx9WLbIobQurE7Eo8Yf0bie X0ncIh12mqWWd51hq2ciYmS47pV09LyZurTPJyZIPJyTHos3dIthp0yUQ2i6pHFnsp +7XHd3an7InYtQlE5XFxjdEa7OXA9P3hS4AGpu/MV1k7q6WyjnDURWZEXtnctoWKW/ DTwtGCgcHg9GNKkXP13ebwf8+G4AaCpU+aFVBnmYKsV5ERJo0EuQ/G3b7FlFBmWI79 KH3QEkI/tygBFngTvNvPgNAqX3iIEUJJEPiel7cQak4PR2QP8fD7RxdRRmcYRmeZJ1 vKafBeAIV6pMw== Date: Mon, 17 Nov 2025 12:12:33 -0800 From: Eric Biggers To: David Howells Cc: Herbert Xu , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , "Jason A . Donenfeld" , Ard Biesheuvel , Stephan Mueller , Lukas Wunner , Ignat Korchagin , linux-crypto@vger.kernel.org, keyrings@vger.kernel.org, linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 2/9] crypto: Add ML-DSA/Dilithium verify support Message-ID: <20251117201233.GA3993@sol> References: <20251117171003.GC1584@sol> <20251117145606.2155773-1-dhowells@redhat.com> <20251117145606.2155773-3-dhowells@redhat.com> <2165074.1763409175@warthog.procyon.org.uk> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2165074.1763409175@warthog.procyon.org.uk> On Mon, Nov 17, 2025 at 07:52:55PM +0000, David Howells wrote: > Eric Biggers wrote: > > > In comparison, BoringSSL has an entire implementation of ML-DSA, ... > > ... which cannot be used in the kernel due to the licence. > > David First, BoringSSL's license changed to Apache only recently. An older version of the code is available under a BSD style license. Second, even with the new license I can get permission to relicense it if needed. Third, regardless of license BoringSSL's code can't be reused directly in the kernel anyway, for various reasons. My point is that a smaller, cleaner, and more maintainable implementation of ML-DSA is possible, and your submission misses the mark. - Eric