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 303391F91F2 for ; Fri, 17 Jan 2025 08:30:29 +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=1737102631; cv=none; b=Mfb5+pdQ/3PVKoisDiooimRmArzA6lgUzV6Ml8XBcnW/HNObDH8bD/zj9/OJPHCzOweHvSY0T/but1CwzxdqxFaX5xwudzJn8kh+3JKMaX8pPUcGWReK7dMKT9UZV9x6Fjbiqp++Cx4DI9vPR+p/08douFLagO3/jXteN+V4wyo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737102631; c=relaxed/simple; bh=d/g53UtwtoeMdjaT+R1dbBcyNXXLezqX3/UcNtC6vm0=; h=From:In-Reply-To:References:Cc:Subject:MIME-Version:Content-Type: Date:Message-ID; b=FbqLRmGUxxC7iL0kVwz0D0zXz/xsgeADUuYMEV3s7qQCUS60BGcMvV0n4/ZmdZi8KKDslQtDJGUztYOlezvTRPKJM7MZE3+DIoejMs8JIiyGmCcCAm33d3BRqzmcKq+M2X1Gmg67XoDHcNA1vBlbZ8dbkGS7y59jYLi9kY4/cjM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=MgQdy7mT; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="MgQdy7mT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1737102629; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: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=HDiFi/c6f0Cw5829523ALaPbNuqbpB2s/qFVysdO5PY=; b=MgQdy7mTdJ1gX7UMrHv8q6FgSZt8x9Fe48pOasrd4BuLZkpQ8TXc4Rx67sHZ/FEvhAsUQM QgzQjpyi5K27YeCPuOAROsfwEmb2hfAvsyaPcY3WBCxGkutBXz+zpUi5xPHi8Dc/1vn2et MJC7pVnoU0/kfx2eKKTir/+Gva+kRbs= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-558-a2EhEHctOkyte2ur2SK5Cg-1; Fri, 17 Jan 2025 03:30:24 -0500 X-MC-Unique: a2EhEHctOkyte2ur2SK5Cg-1 X-Mimecast-MFC-AGG-ID: a2EhEHctOkyte2ur2SK5Cg Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2EFD51955D72; Fri, 17 Jan 2025 08:30:22 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.5]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 3B92C19560BF; Fri, 17 Jan 2025 08:30:17 +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: <477969.1737101629@warthog.procyon.org.uk> References: <477969.1737101629@warthog.procyon.org.uk> <20250110010313.1471063-1-dhowells@redhat.com> <20250110010313.1471063-3-dhowells@redhat.com> Cc: dhowells@redhat.com, Herbert Xu , Chuck Lever , Trond Myklebust , "David S. Miller" , Marc Dionne , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-crypto@vger.kernel.org, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 2/8] crypto/krb5: Provide Kerberos 5 crypto through AEAD API Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <493306.1737102616.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Fri, 17 Jan 2025 08:30:16 +0000 Message-ID: <493307.1737102616@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 David Howells wrote: > > rfc8009 is basically the same as authenc. > = > Actually, it's not quite the same :-/ > = > rfc8009 chucks the IV from the encryption into the hash first, but authe= nc() > does not. It may be possible to arrange the buffer so that the assoc da= ta is > also the IV buffer. Actually actually, it's the starting IV, so I just need to chuck in a bloc= k of zeroes. David