From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lamorak.hansenpartnership.com (lamorak.hansenpartnership.com [198.37.111.173]) (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 9F4202550A4; Mon, 17 Nov 2025 20:19:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.37.111.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763410747; cv=none; b=puMDa/xwKmS0PW2JKvQIQYDX2ieXyKEkE6n4hA7GG9y6kVwXVJoK7ZkJDhTfO1ka63uqY56BylAZ4mfix5GbbyoU9l2ut1MYKVbXxPwWWRY48LEP0AWI/6bqztxxUPTrpxiDR+7IXVtLBi5EuiNE8s9jaIEGrbU4g37USdr3bt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763410747; c=relaxed/simple; bh=8e4rS/mksWYyypl2AonyCncEJnTpbAc6PRCMhnlzgMg=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=Zes/kcgGVSrXLfUJIb/bzFD6qmeLlyS1tbcW3HZ5YTAIT9BmymQQgy76GT3fLAXifvf/+10K7yqApcO3R2F1Z1ws7jOeJi9jksfF7qn16lnUGFSPZuf9WszWSJgIS2AxfRvdbbVz0t+JVwQnzgsbwSbNQ//0UHwAPnV6Sgs9iKU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=HansenPartnership.com; spf=pass smtp.mailfrom=HansenPartnership.com; dkim=pass (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b=I3cPEQen; arc=none smtp.client-ip=198.37.111.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=HansenPartnership.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=HansenPartnership.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="I3cPEQen" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=hansenpartnership.com; s=20151216; t=1763410743; bh=8e4rS/mksWYyypl2AonyCncEJnTpbAc6PRCMhnlzgMg=; h=Message-ID:Subject:From:To:Date:In-Reply-To:References:From; b=I3cPEQenjjiO9j/z5RSi1R6gqubD4lymCTjlrpe9IL4bmpMlvprRJV52fts3m6zgM LWm6dMeuADQ82mF7Q3q0rkIjNuTyd9qHVmhhTxiyZNH1M44/ni0L/2nK62n4HxOoh+ gIOh3hspl4imArk+vSo6/DKk32rBSLMpdgv3Fxrg= Received: from lingrow.int.hansenpartnership.com (unknown [IPv6:2601:5c4:4302:c21::a774]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lamorak.hansenpartnership.com (Postfix) with ESMTPSA id CD7941C0214; Mon, 17 Nov 2025 15:19:02 -0500 (EST) Message-ID: <13213304ac049113655ab8fe1bae76cc84a3330e.camel@HansenPartnership.com> Subject: Re: [PATCH v9 2/9] crypto: Add ML-DSA/Dilithium verify support From: James Bottomley To: David Howells , Eric Biggers 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 Date: Mon, 17 Nov 2025 15:19:02 -0500 In-Reply-To: <2165074.1763409175@warthog.procyon.org.uk> References: <20251117171003.GC1584@sol> <20251117145606.2155773-1-dhowells@redhat.com> <20251117145606.2155773-3-dhowells@redhat.com> <2165074.1763409175@warthog.procyon.org.uk> Autocrypt: addr=James.Bottomley@HansenPartnership.com; prefer-encrypt=mutual; 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 8mT2Eh9SkH+YVOmaKsajgZgrBxA7fWmGoxXswEVxJIFj3vW7yNc0C5HaUdYa5iGOMs4kg2ht4s7yy7NRQuh7BifWjo6BQ6k4S1H+6axZucxhSV1L6zN9d+lr3Xo/vy1unzA== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Mon, 2025-11-17 at 19:52 +0000, David Howells wrote: > Eric Biggers wrote: >=20 > > In comparison, BoringSSL has an entire implementation of ML-DSA, > > ... >=20 > ... which cannot be used in the kernel due to the licence. The licence problem is not insurmountable. There are now real lawyers (not just me) prepared to stand up and say Apache-2 is GPL-2 compatible: https://digitalcommons.law.scu.edu/chtlj/vol40/iss3/2/ But even if you don't accept that, Google keeps effective joint ownership of the code through their CLA and so could grant a dual licence to the kernel anyway without needing to refer to any contributors. Regards, James