Frank,
This is an inheritance from SAML, which defines Issuer as a
"string". Clearly it is a rather primitive concept at this
point, and could use much more elaboration based on actual
implementation environments. Yours is a good case.
Thanks,
Anne
On 9 July, Frank Siebenlist writes: [xacml] Attribute's Issuer as string?
> From: Frank Siebenlist <>
> To: XACML TC <>
> Subject: [xacml] Attribute's Issuer as string?
> Date: Wed, 09 Jul 2003 12:15:11 -0700
>
> The Attribute's Issuer is defined as a string, and I was wondering what the
> design rational was behind that choice.
>
> I was trying to see how you could take care of part of the path validation of an
> assertion in xacml.
>
> For example, you would only accept a certain attribute value if it was issued by
> a subject that was a member of a certain group, or only by an issuer with a
> certain name only if that name was asserted by a certain identity issuer.
>
> I guess I was looking for an issuer type that would again be a subject with its
> own attributes.
>
> One alternative would be to chain different subjects in the Request together
> through a naming conventions that ties issuer's value to a subject's attribute
> value ... but that doesn't seem very elegant.
>
> Insight? Suggestions?
>
> Thanks, Frank.
>
>
> --
> Frank Siebenlist
> The Globus Project - Argonne National Laboratory
>
>
> You may leave a Technical Committee at any time by visiting http://www.oasis-open.org/apps/org/workgroup/xacml/members/leave_workgroup.php
--
Anne H. Anderson Email:
Sun Microsystems Laboratories
1 Network Drive,UBUR02-311 Tel: 781/442-0928
Burlington, MA 01803-0902 USA Fax: 781/442-1692
