W3C home > Mailing lists > Public > www-xenc-xmlp-tf@w3.org > December 2001

Re: XMLP Comments to XMLE LC

From: Joseph Reagle <reagle@w3.org>
Date: Tue, 18 Dec 2001 17:24:08 -0500
To: "David Orchard" <dorchard@bea.com>
Cc: <w3c-xml-protocol-wg@w3.org>, "'xenc'" <xml-encryption@w3.org>, www-xenc-xmlp-tf@w3.org
Message-Id: <20011218222409.9C54685F8A@aeon.w3.org>
On Friday 14 December 2001 19:01, David Orchard wrote:
> Can you repost the scenarios, and I at least guarantee that I will
> respond?

My "anonymous forwarder" contribution is 
  [1] http://lists.w3.org/Archives/Public/www-xenc-xmlp-tf/2001Sep/0000.html

I welcome comments, modifications, and other scenarios. If folks pitch in 
and we get a couple scenarios with some discussion on each from folks 
familiar with xenc and xp, we can pull them together into a document.

> I understand why you would consider usage scenarios optional.  But
> another perspective is that if you ask me (speaking for myself, not xmlp)
> to review a doc and I say I don't understand how it works

The XML Encryption specification should explain how XML Encryption works. 
It has an Overview with simple examples/scenarios:
  [2] http://www.w3.org/TR/xmlenc-core/#sec-Overview
If it doesn't sufficiently explain how to encrypt an element or element 
content then we need to improve the spec.

Protocol requirements and scenarios are best known by XP folks. (I expect 
my old cypherpunk imaginings are quite far removed from what people are 
doing with SOAP today!) For instance, from [1] does anyone in your 
community care about an anonymous remailer type service? From your 
understanding of the XP domain will people want to encrypt payloads only, 
headers, both? Do people want to recursively encrypt/process encrypted SOAP 
blobs? (For instance, a SOAP payload is an EncrypedData, after you decrypt 
it you have a complete SOAP message again in hand with its own header and 

We need people from communities with their applications 
requirements/scenarios in mind to then test those requirements/scenarios 
with our specified functionality.

If anyone has scenarios or questions in mind please join and contribute to: 
www-xenc-xmlp-tf@w3.org .

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Joseph Reagle Jr.                 http://www.w3.org/People/Reagle/
W3C Policy Analyst                mailto:reagle@w3.org
IETF/W3C XML-Signature Co-Chair   http://www.w3.org/Signature/
W3C XML Encryption Chair          http://www.w3.org/Encryption/2001/
Received on Tuesday, 18 December 2001 17:24:51 UTC

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