Re: [dtn-security] Re: [dtn-dev] Re: SDNV-new

Scott Burleigh <Scott.Burleigh@jpl.nasa.gov> Tue, 31 May 2005 22:03 UTC

Received: from nmta3.jpl.nasa.gov (nmta.jpl.nasa.gov [137.78.160.108]) by webbie.berkeley.intel-research.net (8.11.6/8.11.6) with ESMTP id j4VM3NV31628; Tue, 31 May 2005 15:03:23 -0700
Received: from xmta1.jpl.nasa.gov (xmta1.jpl.nasa.gov [137.78.160.144]) by nmta3.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id j4VM3IK4013354; Tue, 31 May 2005 15:03:18 -0700
Received: from [127.0.0.1] (dhcp-79-22-229.jpl.nasa.gov [137.79.22.229]) by xmta1.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id j4VM3HcT009192; Tue, 31 May 2005 15:03:17 -0700
Message-ID: <429CDF24.9010907@jpl.nasa.gov>
Date: Tue, 31 May 2005 15:03:16 -0700
From: Scott Burleigh <Scott.Burleigh@jpl.nasa.gov>
User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: dtn-security@mailman.dtnrg.org, dtn-dev@mailman.dtnrg.org
Subject: Re: [dtn-security] Re: [dtn-dev] Re: SDNV-new
References: <200505241854.j4OIsx724035@smtp-bedford-dr.mitre.org> <42944BEF.7090007@cs.tcd.ie> <20050525152006.GA7633@pisco.cs.berkeley.edu> <42949E83.9050000@cs.tcd.ie> <20050525163707.GB14911@pisco.cs.berkeley.edu> <4294ABB9.5010009@jpl.nasa.gov> <4295D547.9080808@cs.tcd.ie> <20050531172941.GA30682@pisco.cs.berkeley.edu> <429CA577.8000705@jpl.nasa.gov> <20050531215551.GB30682@pisco.cs.berkeley.edu>
In-Reply-To: <20050531215551.GB30682@pisco.cs.berkeley.edu>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
X-Source-IP: dhcp-79-22-229.jpl.nasa.gov [137.79.22.229]
X-Source-Sender: Scott.Burleigh@jpl.nasa.gov
X-AUTH: Internal IP
Sender: dtn-security-admin@mailman.dtnrg.org
Errors-To: dtn-security-admin@mailman.dtnrg.org
X-BeenThere: dtn-security@mailman.dtnrg.org
X-Mailman-Version: 2.0.13
Precedence: bulk
Reply-To: dtn-security@mailman.dtnrg.org
List-Unsubscribe: <http://mailman.dtnrg.org/mailman/listinfo/dtn-security>, <mailto:dtn-security-request@mailman.dtnrg.org?subject=unsubscribe>
List-Id: DTN Security Discussion <dtn-security.mailman.dtnrg.org>
List-Post: <mailto:dtn-security@mailman.dtnrg.org>
List-Help: <mailto:dtn-security-request@mailman.dtnrg.org?subject=help>
List-Subscribe: <http://mailman.dtnrg.org/mailman/listinfo/dtn-security>, <mailto:dtn-security-request@mailman.dtnrg.org?subject=subscribe>
List-Archive: <http://mailman.dtnrg.org/pipermail/dtn-security/>

Michael Demmer wrote:

>As Rajesh said, the main rational for the byte savings is for small
>values. Therefore, for things we expect to be big, like crypto keys,
>we can send the length of the key first as an SDNV, then the
>value. This won't waste too much over just sending the key as an SDNV
>by itself (at most it wastes a byte or two).
>
>As such, my instinct is to just go with 1-2-3-4-5-6-7-8.
>
That sounds fine to me.