From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 77E0D2FD7D3 for ; Tue, 6 Jan 2026 09:37:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767692269; cv=none; b=b5E2bPiiP1ccYVHYYhwMdVG8No+N0/7WjvIdhNw3aGa/V1ox7TYSxRYCAyI+tbIEPpu5V1gOSVJAq3+HzbM0UIuPrdS9AQMYhIf+v9rqvI4BtteiDZLu2oxFrHDhpJpu6zwvl9q4IX0oBk8tkSmuoV2JhEf8AOMoKwSmySg0IkM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767692269; c=relaxed/simple; bh=N7uAYbVpKybj/kxqV2hwnieEyXuUnlhLWKSb0QwFbn0=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=bkeayBfG7uac6JCvIkHTb4e5hLvYGQmli40LCZpyCrMvLnKyDEc0hbHuIb0OmW8LXNjQbIglFF7FkvU+BmbZUUo1LOBE9bVb9KJvFnXTmb5n0YL7dQkpwpIVqjacVifK/nXMyf1aqF0VbZkL7PXjTpL15FQ0UELF0fhBMSOiTaU= 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=i1w/RVoV; arc=none smtp.client-ip=170.10.129.124 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="i1w/RVoV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1767692265; 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: in-reply-to:in-reply-to:references:references; bh=MDANCi/532bShCCLptsPqiZizaA/KMJpZpqXSVA2mvA=; b=i1w/RVoV8qg8Gz2YjPBG8exhwiMbm36LIAd8UAwKcsqUcAm0ux5FCvZBybzfxtsT1orqSn E4/XsB5egcmsdhiRGz4b3RQaH0RvFrRaUJjQPZ1oMnTdigBGyHui1K+rHyUoBwxoKx+4wc jdQamlhqb2VWiIJAgbRe3It/RW6kJtg= 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-443-HuW2W3u6OaKQKMA4jjUmVw-1; Tue, 06 Jan 2026 04:37:41 -0500 X-MC-Unique: HuW2W3u6OaKQKMA4jjUmVw-1 X-Mimecast-MFC-AGG-ID: HuW2W3u6OaKQKMA4jjUmVw_1767692258 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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 372001800343; Tue, 6 Jan 2026 09:37:38 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.4]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0649F18004D8; Tue, 6 Jan 2026 09:37:33 +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: <20260106080251.GD2630@sol> References: <20260106080251.GD2630@sol> <20260105152145.1801972-1-dhowells@redhat.com> <20260105152145.1801972-4-dhowells@redhat.com> To: Eric Biggers Cc: dhowells@redhat.com, Lukas Wunner , Ignat Korchagin , Jarkko Sakkinen , Herbert Xu , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , "Jason A . Donenfeld" , Ard Biesheuvel , Stephan Mueller , linux-crypto@vger.kernel.org, keyrings@vger.kernel.org, linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v11 3/8] pkcs7, x509: Add ML-DSA support Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1837725.1767692252.1@warthog.procyon.org.uk> Date: Tue, 06 Jan 2026 09:37:32 +0000 Message-ID: <1837726.1767692252@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Eric Biggers wrote: > This "PKCS#7" (really CMS -- the kernel misleadingly uses the old name) I implemented PKCS#7 first and then added CMS on top of that. > That needs to either be implemented correctly, or not at all. (If only > (2) is actually needed, then "not at all" probably would be preferable.) At the time of writing, openssl didn't fully support CMS with ML-DSA, and that limited things. David