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Subject: Re: [xacml] subject categories
Hello,
As we are trying to update the XSPA XACML profiles, one of the tasks is to support XACML version 3. I noticed that for “subject” attributes, there are now 4 different categories defined in the core. The mandatory category:
urn:oasis:names:tc:xacml:1.0:subject-category:access-subject
and the optional categories:
urn:oasis:names:tc:xacml:1.0:subject-category:recipient-subject
urn:oasis:names:tc:xacml:1.0:subject-category:intermediary-subject
urn:oasis:names:tc:xacml:1.0:subject-category:requesting-machine
But the core does not provide any definition or discussion about the differences between these categories. I was wondering if anyone can comment about the differences or refer me to a definition so that we can make a better decision on which category to use for which attributes.
Thanks.
Regards,
Mohammad
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