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Dear All, there seems to be an erratum in the XACML v3.0 Committee Specification 01, 10 August 2010 [1] which is the version that is currently offered for download at [2]. In particular, Section 7.4 'Expression evaluation' lists the element as part of the 'Expression Substitution Group', which is actually ...

Dear Paul, All, >> I summarized my thoughts on this subject in a wiki page, >> http://wiki.oasis-open.org/xacml/AttributeAssertionsInRequestContext . thanks a lot for the effort of doing so and for choosing such an entertaining example theme :-) The attribute assertion syntax that you propose seems well ...

I summarized my thoughts on this subject in a wiki page, http://wiki.oasis-open.org/xacml/AttributeAssertionsInRequestContext . I implemented a minimal policy evaluator in XSLT to prove the concept of polymorphic comparison functions to evaluate either attribute values or attribute predicates in the ...

Dear Paul, All, >> If the Context Handler is responsible for handling incoming SAML assertions, then the schema of the XACML >> request context needs to be changed so that it can carry SAML assertions, rather than just attribute values. Considering Paul's proposal [1] on using 'extended' ...