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RE: [xacml] XPATH expressions pointing to SAML Assertions

From: Tim Moses <[email protected]>
To: [email protected]
Date: Thu, 29 Nov 2001 10:05:00 -0000

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Subject: RE: [xacml] XPATH expressions pointing to SAML Assertions




From: Tim Moses <[email protected]>
To: "'[email protected]'" <[email protected]>
Date: Thu, 29 Nov 2001 10:01:35 -0500






Title: [xacml] XPATH expressions pointing to SAML Assertions




Hal - 
Perhaps you have a point.  Attribute types should be identified by 
URIs.  Our policy statements should also indicate which authorities can be 
considered authoritative for the attribute.  This too can be a 
URI.
 
Perhaps, the "reserved words" we have talked about should be 
XPATH expressions into the saml authorization query message.  That would 
allow us to make statements about the particular resource and the particular 
principal identified in the authorization query message.  These would then 
be fixed values.
 
All 
the best.  Tim.
-----------------------------------------
Tim Moses
Tel: 
613.270.3183

 

    













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