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Subject: [xacml] change request: subject-attribute-designator and subjectcategory




From: Simon Godik <simon@godik.com>
To: xacml@lists.oasis-open.org
Date: Thu, 26 Sep 2002 23:30:00 -0700









xacml request context supports multiple 
<xacml-context:Subject> elements.
Each <xacml-context:Subject> element is 
tagged with the subject-category, such as:
access-subject, codesource, etc. Subject category 
name is unique, ie there is no
two <xacml-context:Subject> elements in the 
request context with the same value of subject-category
attribute.
 
<xacml:Subject> element in the policy allows 
us to specify multiple subject matches at the same time:
sm1 'and' sm2 'and' sm3 etc. Syntactically, context 
subject attribute is selected with
<xacml:SubjectAttributeDesignator> element 
that names attribute-id and issuer.
 
Very often all subject attributes must be selected 
from the same subject block.
 
Proposal: Extend 
<xacml:SubjectAttributeDesignator> with optional SubjectCategory 
attribute:
<xs:complexType 
name="SubjectAttributeDesignatorType">
    <xs:attribute 
name="AttributeId" type="xs:anyURI" use="required"/>
    <xs:attribute name="Issuer" 
type="xs:anyURI" use="optional"/>
    <xs:attribute 
name="SubjectCategory" type="xs:string" use="optional"/> <-- new 
attribute
</xs:complexType>
 
Simon
 





Follow-Ups:

Re: [xacml] change request: subject-attribute-designator and subjectcategory
From: Polar Humenn <polar@syr.edu>








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