Hi David, I looked at the document your sent and was a bit confused to position it among other standards in use and our work. Before we can discuss some minor detail, I want to say that title is a bit misleading. They call it "Web Services Profile of XACML (WS-XACML)" but actually it is Web Services Policy (WSP) profile/extensions for (using) XACML in WSP style policy definition. They provided good use cases in Introduction, and correctly described XACML AuthZ token (section 2). For me, it is not clear their definition of XACMLAuthZAssertion (section 3). Is this an assertion or policy statement? "An XACMLAuthzAssertion represents an XACML authorization, access control, or privacy policy that applies to the target of the wsp:Policy instance in which it appears. The Assertion MAY be used by a Web Service to express or publish its authorization, access control, or privacy requirements or its capability of complying with requirements imposed by a client. The Assertion MAY be used by a Web Services client to express or publish its authorization, access control, or privacy requirements requirements or its capability of complying with requirements imposed by a Web Service. Two instances of such an Assertion MAY be matched to determine whether they are compatible, and, if so, which requirements and capabilities are compatible." Also I didn't find support for so much expected cryptographically valid/ensured attributes. So, what possibilities do we have to give our comments to the author? Yuri David Chadwick wrote:
is attached.
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