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RE: XML Schema WG response to the DSig Last Call WD

From: Biron,Paul V <Paul.V.Biron@kp.org>
Date: Fri, 24 Mar 2000 09:33:10 -0800
Message-Id: <376E771642C1D2118DC300805FEAAF4386DACB@pars-exch-1.ca.kp.org>
To: "'dee3@torque.pothole.com'" <dee3@torque.pothole.com>, "'reagle@w3.org'" <reagle@w3.org>, "'dsolo@alum.mit.edu'" <dsolo@alum.mit.edu>
Cc: "'w3c-ietf-xmldsig@w3.org'" <w3c-ietf-xmldsig@w3.org>, "'w3c-xml-schema-ig'" <w3c-xml-schema-ig@w3.org>
Opps, I left out 2 references from the original post.

[3] http://www.w3.org/TR/1999/WD-xmlschema-1-19991217/
[4] http://www.w3.org/TR/dt4dtd

> -----Original Message-----
> From:	Biron,Paul V 
> Sent:	Friday, March 24, 2000 9:29 AM
> To:	'dee3@torque.pothole.com'; 'reagle@w3.org'; 'dsolo@alum.mit.edu'
> Cc:	'w3c-ietf-xmldsig@w3.org'; 'w3c-xml-schema-ig'
> Subject:	XML Schema WG response to the DSig Last Call WD
> The XML Schema WG thanks the XML Sig WG for the opportuity to review this
> WD.
> The Schema WG believes that there are no major issues with the dsig last
> call WD [1].  However, the draft schema specification(s) has undergone
> considerable change since the 1999-12-17 draft [3] on which the schema
> fragments in Section 4 "Core Signature Syntax" are based.  The Schema WG
> therefore requests that the XML Sig WG rewrite all schema(s) used in
> defining dsig in terms of the schema specification current when schemas
> reaches CR.
> Additionally, there are several cases in which more judicious use could be
> made of Schema Datatypes.  For instance, Section 4.2 "The SignatureValue
> Element" contains the actual signature octet sequence, base64 encoded--it
> is declared as a string, it should be a binary with the encoding facet
> equal to base64;  Section 4.5 "The Object Element" has a MimeType
> attribute, declared as a string that could be declared as a subtype of
> string, with a pattern facet that matched all legal mime type variations.
> The Schema WG also suggests that the XML Sig WG consider using a mechanism
> similar to that proposed in [4] for assigning schema datatypes to
> element/attribute declarations in the dsig DTD.
> Lastly, the dsig WD should make clear whether the schema and DTD included
> in Section 9 are normative or informative.
> Paul V. Biron, on behalf of the XML Schema WG
> References
> [1] http://www.w3.org/TR/2000/WD-xmldsig-core-20000228/
Received on Friday, 24 March 2000 15:49:02 UTC

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