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Re: XML Binary Characterization WG public list available

• To: Rich Salz <rsalz@d...>
• Subject: Re: XML Binary Characterization WG public list available
• From: "Stephen D. Williams" <sdw@l...>
• Date: Tue, 13 Apr 2004 13:16:10 -0400
• Cc: Dare Obasanjo <dareo@m...>,Michael Champion <mc@x...>,'xml-dev' DEV <xml-dev@l...>
• In-reply-to: <407C0C8D.3000303@d...>
• References: <830178CE7378FC40BC6F1DDADCFDD1D1D51993@R...> <407C0C8D.3000303@d...>
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6b) Gecko/20031208

DSIG and encryption are big issues with a 'binary structured XML' or 
'binary infoset'.  There are several solutions of varying efficiency, 
features, and difficulty.
One option is to canonicalize and use DSIG and Encryption as is, but 
that is the most expensive in processing terms.
A convention will have to be created that preserves DSIG/Encryption work 
and is also practical.

With the addition of delta support, handling signature and encryption of 
updates or data 'owned' by different actors actually can become very 
efficient and flexible.

sdw

Rich Salz wrote:

> Dare Obasanjo wrote:
>
>> Most real world applications use an abstraction of XML that
>> is more akin to a subset of the XPath data model (elements,
>> attributes, and text nodes).
>
>
> I agree with this.  In particular, XML DSIG and XML-Encryption are 
> based on the XPath model.  Since I think signatures and encryption are 
> crucial to the deployment of web services, and since I think it'll be 
> a cold day in h... before the security folks get together to revise 
> those specs to use the Infoset model, I tend to view SOAP 1.2 and its 
> ilk as more DOA than SOA.
>     /r$



-- 
swilliams@h... http://www.hpti.com Personal: sdw@l... http://sdw.st
Stephen D. Williams 703-724-0118W 703-995-0407Fax 20147-4622 AIM: sdw

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