From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 C53CE1AD3FA for ; Fri, 13 Jun 2025 15:43:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749829385; cv=none; b=IwWaoTmHrA7jDsDLeUD1RlQPfaEDN0OVDBFM68ZxQGJnPvkBy6hOoZ6wMgwX936U3iy2mpl7nxap+kr71zRo3ys+CvvuH0iWLzD9l6oZ6kfmjtBaqfsFu+Fp//eiIwS7G0p2d95Jg9AdS9WzFY2hPPjnjE9T/bDPpUPN5NJyNjs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749829385; c=relaxed/simple; bh=hoCsq6j/QKc0XwkBBFJ9hkM8wZVBjSZmIpFJOYCNCng=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=LaUg28MfpXSBdzkZqLNCDxKhrMQB4imIQL9eNxk0kQHI+07oIbWTX4joEWBoG9y4ed5ZlJE3VcMz93PQ4HlLA8ATJwtn1ZB5V7dquLYTtn1bkg9HfJDelrBYRDnHnVFF8aYn6lBUHlsd/Wp7KeaUUxumu3a/QVVxSbv7m9HSxcc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=i9P2Yco9; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="i9P2Yco9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749829382; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hoCsq6j/QKc0XwkBBFJ9hkM8wZVBjSZmIpFJOYCNCng=; b=i9P2Yco9QGRab7OeugHA2udbQvPRLo3a6UtqPHnQ9fo5+jO/X3qTLynqTpkVDXSlwi31+s QDOxKXJSYMNRKLTmrVkLKd1EkuGxOHW7pAB682RjTxW2FSAG8Arwz0qa50FzJ7QypSPYhj CCsLdexHrcHG1alwrJyiY9OuhE4RLQk= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-52-vXrS_N0UNYGyoFzGplMkLQ-1; Fri, 13 Jun 2025 11:42:58 -0400 X-MC-Unique: vXrS_N0UNYGyoFzGplMkLQ-1 X-Mimecast-MFC-AGG-ID: vXrS_N0UNYGyoFzGplMkLQ_1749829376 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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 mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 985F61808985; Fri, 13 Jun 2025 15:42:55 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.18]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 22BAB18002B5; Fri, 13 Jun 2025 15:42:49 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <501216.1749826470@warthog.procyon.org.uk> To: Ignat Korchagin Cc: dhowells@redhat.com, Herbert Xu , Stephan Mueller , Simo Sorce , torvalds@linux-foundation.org, Paul Moore , Lukas Wunner , 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 Subject: Re: Module signing and post-quantum crypto public key algorithms 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-ID: <502668.1749829369.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Jun 2025 16:42:49 +0100 Message-ID: <502669.1749829369@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Ignat Korchagin wrote: > > The not so good news, as I understand it, though, is that the X.509 bi= ts are > > not yet standardised. > = > Does it matter from a kernel perspective? As far as I remember we just > attach the "plain" signature to binary. Or is it about provisioning > the key through the keystore? PKCS#7 is used for the signatures and X.509 is used to provide the public keys. David