Re: [Dcrup] Hey, crypto experts, what signing algorithm should we add

"John R Levine" <johnl@taugh.com> Sat, 10 June 2017 16:11 UTC

Return-Path: <johnl@taugh.com>
X-Original-To: dcrup@ietfa.amsl.com
Delivered-To: dcrup@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3CB28127076 for <dcrup@ietfa.amsl.com>; Sat, 10 Jun 2017 09:11:38 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.791
X-Spam-Level:
X-Spam-Status: No, score=-1.791 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, SPF_PASS=-0.001, T_DKIM_INVALID=0.01] autolearn=no autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=neutral reason="invalid (public key: not available)" header.d=iecc.com header.b=REXANx9t; dkim=neutral reason="invalid (public key: not available)" header.d=taugh.com header.b=NDE7oEI4
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C3vT6XjErxK7 for <dcrup@ietfa.amsl.com>; Sat, 10 Jun 2017 09:11:36 -0700 (PDT)
Received: from miucha.iecc.com (w6.iecc.com [IPv6:2001:470:1f07:1126::4945:4343]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AA3591200E5 for <dcrup@ietf.org>; Sat, 10 Jun 2017 09:11:36 -0700 (PDT)
Received: (qmail 82022 invoked from network); 10 Jun 2017 16:11:35 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=14064.593c1a37.k1705; bh=eBz+b8/mauJmDpX/BSXyVMl3CkKmzmtd/O8oD7Seins=; b=REXANx9t6KkzDetK/W+LYpqv1CwMJ1ysBoSNoPTHvf67XDatg0+uH6Wn+AfOzpkZar9qZlpil1xi5Bj5yXxolw42o5KkEotIVU0hw54feOUad5HZxk38dsGNvXqse0QuMM0x1rLmJGNOly7aqWLrWp+qCIqFWySmOq5WH6DbFwQsXpf3DtRhqzoYOG1vfwF/AtGef+Isr33FvmlIH7s1RHUPmDyEDArgvsQnY6pPb9r+ibubYLCs9j9HPrgv69qy
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=14064.593c1a37.k1705; bh=eBz+b8/mauJmDpX/BSXyVMl3CkKmzmtd/O8oD7Seins=; b=NDE7oEI4hWCKiZz75AmCDa20D9yKAzBu1bNx3FiDJUuhvdSTfgXqGK/rwrfOA9bjKQnajpXsbBdPpKKP9PyQ9CfgReanE+5ObS2FJo/7Q+pGL4HINcU92gEHlt3iYfHyua94/x31NejDB+ylkgOIUSsuUOGpi1eF/P2W/dbWjP57tZmTXiEf5N4X+SWjTKalSl+DSZaQwC+x1gf3gjLtY8aSlXM4am3bFiLbAwRHBqiSkvjKNwFrLOkj6A4TU6EY
Received: from localhost ([IPv6:2001:470:1f07:1126::78:696d:6170]) by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170]) with ESMTPS (TLS1.2/X.509/AEAD) via TCP6; 10 Jun 2017 16:11:35 -0000
Date: Sat, 10 Jun 2017 12:11:35 -0400
Message-ID: <alpine.OSX.2.21.1706101211200.16559@ary.qy>
From: John R Levine <johnl@taugh.com>
To: Eric Rescorla <ekr@rtfm.com>
Cc: dcrup@ietf.org
In-Reply-To: <CABcZeBM_P4C8xYDmMEbhAbs1tVPVWk6+UgT7vAcktSNtjVyXCg@mail.gmail.com>
References: <20170610125545.14232.qmail@ary.lan> <CABkgnnUAJ6ix3pMB_Y792QOCqRSp2qA9oTSyUCbXP_=P5HRwGA@mail.gmail.com> <CABcZeBMAmjVaJCJwB-qZSpTX0aS-oi1mTduHCdLCM33dWj9P-Q@mail.gmail.com> <alpine.OSX.2.21.1706101205270.16559@ary.qy> <CABcZeBM_P4C8xYDmMEbhAbs1tVPVWk6+UgT7vAcktSNtjVyXCg@mail.gmail.com>
User-Agent: Alpine 2.21 (OSX 202 2017-01-01)
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"; format="flowed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dcrup/QcHDjoIyYR7ejEUPunV5sE0hSkY>
Subject: Re: [Dcrup] Hey, crypto experts, what signing algorithm should we add
X-BeenThere: dcrup@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: DKIM Crypto Update <dcrup.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dcrup>, <mailto:dcrup-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dcrup/>
List-Post: <mailto:dcrup@ietf.org>
List-Help: <mailto:dcrup-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dcrup>, <mailto:dcrup-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 10 Jun 2017 16:11:38 -0000

>> Great.  How about the sign/verify interface compared to RSA ?  RSA has a
>> length parameter but I gather that's in the blob of base64 key info.
>
> I'm not sure what you mean by a length parameter. Length of what?

The key.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly