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Re: Indicating element nodes that must be optimized with XOP

From: Hugo Haas <hugo@w3.org>
Date: Thu, 3 Jun 2004 17:18:42 +0200
To: Asir Vedamuthu <asirv@webmethods.com>
Cc: Ugo Corda <UCorda@SeeBeyond.com>, Herve Ruellan <herve.ruellan@crf.canon.fr>, www-ws-desc@w3.org
Message-ID: <20040603151842.GA28448@w3.org>
* Asir Vedamuthu <asirv@webmethods.com> [2004-06-03 07:56-0700]
> > Maybe there is something I'm missing about case 1: 
> > can certain base64 blobs not be be serialized in 
> > canonical lexical form?
> 
> I had the same question and hit the trail. I bumped into XMLP Issue 432 [1]
> & its resolution [2].
> 
> "I believe we need to open an MTOM issue, as transmission of the "binary"
> form of a base64binary info item is not in general sufficient to
> reconstruct its lexical form.  Dsigs could break, etc".
> 
> Reconstructing, that is the reason why?

This was my conclusion: you may be in a situation where you can't
touch a Base64 blob, e.g. because it's being signed. Well, I guess
that you could define a DSig transform to show what you've done, but I
think that the transform itself would defeat the optimization. ;-)

-- 
Hugo Haas - W3C
mailto:hugo@w3.org - http://www.w3.org/People/Hugo/

Received on Thursday, 3 June 2004 11:18:15 GMT

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