From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (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 23CF81624DE; Thu, 19 Jun 2025 23:22:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750375369; cv=none; b=ZOYJD4HRRd4MILHMUk8d6A+fEDoCwtVY1MQZG6KQPYDcyS5xHsKVEcxKA5Qic66J0ef6idpwewZxO+xNKw+IEeK8anPVwLSGGPseCtBQrxHOvEmSCcWshJKv3v7jv3H1SkMzaeHON6dkVTcN6YJUpQhxRtf6BCYvDmCS7inJlmM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750375369; c=relaxed/simple; bh=Vfhc+F1NBou2Cp7Orz20Okwcw/W+PxblCM7CBaW11eE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QUAh52GwhKO/A91CE8/NI1IHik/lGqbnYzJx3oFr2glR9l4h6HoaJezaOzF+zH5Ad8qYEDyeTyJJF5+JUqsxnD9Mu4TO1pdtAFdEF9asrHRXDkTZPxEJhRY5MmL2VN/x8NfGtWi3KP5yXa5fLb6fCwTbEt3vuKJJB+lkVxjIWHM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b=nDz8fjGx; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b="nDz8fjGx" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=W+Y2lsXPJdi1RUH/PSEB/FJQRlCoG8VD2Nqg0GB52nc=; b=nDz8fjGxN2pP7BV25fGFwk6IrT ABdXg3zraCQs5jIG/UqGltCl9nP70gM7q8Cf8T+Kv+zQnujizKWmGKrFVJ3OQiruAARi6R2qXoXKx qEH28ypgsmFsOp4+KMS8+1D6QCwxgIfsINmhcLu5XZupxv+hy+Ao/ipE7wY60o4I1IQma8VzYwcvJ Y+e26aicEpu4ObHlSt0D5XMJq+AGJSmhMbhJP6ifuo1I1PZA4fyuLuykPjJZeKS2eSBERAmaqRRVc thTSH5+0QfvPJqXepnFMISklrlohJ19s5PSob7hZtYmhbPn3YB0HVuYsCnzkAB/mVMPoH0KqhoRay OPtOi5SQ==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1uSOL8-000R2r-10; Fri, 20 Jun 2025 07:22:27 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 20 Jun 2025 07:22:26 +0800 Date: Fri, 20 Jun 2025 07:22:26 +0800 From: Herbert Xu To: Lukas Wunner Cc: David Howells , Stephan Mueller , Simo Sorce , torvalds@linux-foundation.org, Paul Moore , Ignat Korchagin , Clemens Lang , David Bohannon , Roberto Sassu , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Cameron Subject: Re: Module signing and post-quantum crypto public key algorithms Message-ID: References: <501216.1749826470@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: On Thu, Jun 19, 2025 at 02:31:40PM +0200, Lukas Wunner wrote: > > I assume Herbert will insist that any new algorithm is hardened > against side channel attacks. Thankfully, Stephan seems to have > put some effort into that: No I think we should instead only support public keys. There is no valid use-case for private keys in the kernel. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt