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Subject: xacml combiner alg extension points
xacml extension points proposal.
Polar pointed out that previous xacml extension
proposal is somewhat misleading with it's use of
@MustUnderstand attribute and where parameters are
interpreted.
Here is cleaned up version, hopefully.
Proposal:
Allow element of type <xacml:CombinerParametersType> as an optional child of <xacml:PolicySet> and <xacml:Policy> elements. <xacml:CombinerParameters> element contains a list of parameters specific to the enclosing combining algorithm. Combiner parameters are input to the combining algorithm only and can not be directly interpreted by the pdp. Schema:
<xs:element name="CombinerParameters"
type="xacml:CombinerParametersType"/>
<xs:complexType name="CombinerParametersType"> <xs:sequence> <xs:element ref="xacml:CombinerParameter" minOccurs="0" maxOccurs="unbounded"/> </xs:sequence> </xs:complexType> <!-- --> <xs:element name="CombinerParameter" type="xacml:CombinerParameterType"/> <xs:complexType name="CombinerParameterType"> <xs:sequence> <xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/> </xs:sequence> <xs:attribute name="ParameterName" type="string" use="required"/> </xs:complexType> Simon
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