xacml

How to refer a custom function in xml

How can I refer a custom function in xml? Suppose that I have a function written in Java and want it to refer by the xml tag, how is this possible? Current senario: I am using XACML2.0 which contains xml tags and I want to refer some function in Java that will talk to the backend data, I'm unable to refer a function in xacml. Could yo...

Designing an XACML API

Currently, the XACML specification defines a protocol for request / response but leaves it up to interpretation as to how it can be integrated into an enterprise application. I believe that the value of XACML won't be realized unless there is the creation of a new open source project that attempts to develop/standardize around a set of c...

Trends in Externalizing Identity from Applications

Stackoverlow decided to use OpenID probably due to its simplicity while others believe that Information Cards (e.g. cardspace) is a better strategy in that it is backed by major industry vendors and is known to be more secure. Are there libraries that a developer can drop into a Java web application that will easily support both? ...

XACML as an evolution step in an existing application

I've begun doing some research on XACML and external authorization. Right now I have an existing application which utilizies an RBAC model. However the implementation has a lot of shortcomings (roles can't be easily defined, roles are too coarsly grained). Is XACML a good alternative to look at? Are there any exisitng applications which...

Who does actually use XACML?

Who knows actively developed XACML Implemtations other than the Sun XACML Implementation and XEngine? Who uses them in their products? Which vendors provide a PDP? I read something about a WebLogic XACML Privider. What other products support XACML? ...

XACML Schema Generation Error for .NET - Cannot use wildcards at the top level of a schema

Has anyone been able to successfully generate C# entity classes from XACML schema files? I am getting "Cannot use wildcards at the top level of a schema." I think this has something to do with xs:any elements. I have tried change the processContents="skip" (from "lax") but to no avail. I get this using WSCF Blue as well as xsd.exe. ...