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Subject: Re: [xacml] Minutes for 7 February 2013 TC Meeting - updated



Hi David,

On 8/02/2013 7:39 PM, David Brossard wrote:
Dear all,

Apologies for missing this meeting. It skipped my mind and by the time I remember it was well too late.

Re. the JSON profile, Steven, I wasn't aware of the ID issue. I got your note re. arrays and that was that.
Did I miss another email?

You haven't missed an email from me. The comment in the minutes pertains to
the encoding of IdReference, which I discussed in the same email as my comments
regarding arrays.

On 6/02/2013 4:38 PM, Steven Legg wrote:
> Section 5.2.11: Version should be a string. The IdReference object needs a
> Value property to hold the URI of the referenced policy or policy set. An
> IdReference in an XACML response must have a Version and must not have a
> LatestVersion or EarliestVersion. For consistency with any future profile
> that defines a JSON representation for policies and policy sets, I suggest
> that you keep the properties as they are, but add a note that Version
> is required and EarliestVersion and LatestVersion must be absent in a
> response.

Regards,
Steven


On Fri, Feb 8, 2013 at 12:41 AM, rich levinson <rich.levinson@oracle.com <mailto:rich.levinson@oracle.com>>
wrote:

    Minutes for 7 February 2013 TC Meeting - updated
      (added link below to ref material on the NIST site
       that describes the Policy Machine in more detail)

    Time: 15:00 ET (GMT-0500)
    Tel: 513-241-0892
    Access Code: 65998

    I. Roll Call

    Voting Members:
    Richard Hill    The Boeing Company
    Mohammad Jafari Veterans Health Administration
    Steven Legg     ViewDS
    Rich Levinson   Oracle
    Hal Lockhart    Oracle
    Bill Parducci   Individual
    Erik Rissanen   Axiomatics
    John Tolbert    The Boeing Company

    Members:
    Robert van Herk Connectis


      Approve Minutes:
       24 January 2013 TC Meeting
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00030.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00030.html>

             hal: minutes approved, no obj

    II. Adminstrivia

      Conformance Tests v3.0
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00025.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00025.html>

         john: email contains a chart for conformance compliance; looking
             for vendors to fill out the yes/no's as to whether support
             is available for the features represented as list of the
             xml elements in the xacml core spec plus a list of the combining
             algorithms in the core spec.

      XACML REST Profile WD-07 uploaded, request for Vote
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00028.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00028.html>
    https://lists.oasis-open.org/__archives/xacml/201302/__msg00006.html
    <https://lists.oasis-open.org/archives/xacml/201302/msg00006.html>

             15 day public review
               john moves
               richard h seconds
               no obj to unanimous

      XACML XSPA Profile WD-01 request for Vote
    https://www.oasis-open.org/__apps/org/workgroup/xacml/__download.php/47685/Proposed%__20draft%20for%20XSPA-XACML%__20Obligations%20Profile%__20Draft_0.1.doc
    <https://www.oasis-open.org/apps/org/workgroup/xacml/download.php/47685/Proposed%20draft%20for%20XSPA-XACML%20Obligations%20Profile%20Draft_0.1.doc>

        hal: is it 2.0 or 3.0
        mohammad: will require schema support for 3.0, so 2.0 at present
        hal: some other issues on front page
        mohammad: will look at these issues;
        hal: vote deferred until new draft or issues closed; hal will email comments

      XACML v3.0 Published
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00036.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00036.html>

        hal: official notification that 3.0 is now published OASIS Standard (OS)
             the email has URLs for obtaining the specs;
        hal: will contact abbie barbir for itut

      XACML Combining Algorithm Profile WD-03 status update:
       30 day Public Review has begun
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00031.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00031.html>

       hal: both EC-US and IPC are in 15d pub rev;
             comments? none so far

      XACML EC-US status update:
       15 day Public Review
    https://lists.oasis-open.org/__archives/xacml/201302/__msg00001.html
    <https://lists.oasis-open.org/archives/xacml/201302/msg00001.html>
      XACML IPC status update:
       15 day Public Review
    https://lists.oasis-open.org/__archives/xacml/201302/__msg00002.html
    <https://lists.oasis-open.org/archives/xacml/201302/msg00002.html>

       hal: Combining Algorithm Profile WD-03 is in 30d pub rev;
             comments? none so far

      XACML JSON Profile WD-11 uploaded
    https://lists.oasis-open.org/__archives/xacml/201302/__msg00009.html
    <https://lists.oasis-open.org/archives/xacml/201302/msg00009.html>

        new wd for json profile; wd10->wd11 based on stephen input
        erik attr assign in obl optional
        hal: should look at:

      Policy Machine reference
       The Policy Machine - email ref from prateek mishra

             hal: you have to "buy" specification; anyone know more?
              no replies
             rich: I just checked the site, and there are quite a few direct
              refs to material (free) describing the PM:
    http://csrc.nist.gov/pm/__references-library.html <http://csrc.nist.gov/pm/references-library.html>

      XACML RSA demo:
        john: boeing ready for tagging part
             stephen posted link
             have been working w nextlabs
             still not all people that are needed
        hal: boeing, oracle, uds, nextlabs were only ones on this wk's call
             only 2 more calls before interop - please send people to
             call so info is rcvd
        hal: oasis will make banner; kmip also put up a banner, company
             logo's connected in box w chains around it. Last year we
             showed components but not logos; open to suggestions to
             give to oasis by next wed.
        hal: slide deck from last yr needs some updates but should be usable;
             respond to email

    III. Issues

      JSON Profile
    https://lists.oasis-open.org/__archives/xacml/201302/__msg00010.html
    <https://lists.oasis-open.org/archives/xacml/201302/msg00010.html>

        stephen: has minor chgs plus one thing on id's but has not heard
              from david yet

      Attributes of Relations
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00024.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00024.html>

         hal: should we tackle these 2 issues
         erik: think we are converging on something; perf concern about
             large sets of tuples, stephen said could optimize by
             processing subsets; concern that xacml might be translatable
             to db searches;
         stephen: what should extensions actually look like, mohammad came
             up w sql-like approach; in condition implicitly selects, and
             need diff syntax for joins;
         mohammad: thinks a simple join will work
         stephen: tuple sets soon has duplication within nested context;
             because of that abandoned nested;
         rich: wants to mention that sql not a good representation, should
             be more like attr-val-entity;
         stephen: agrees in general
         mohammad: agrees but when tried to extend hier ran into issues and
             thats when sql emerged.
         rich: will try to elaborate in followup email

      Policy Labeling
    https://lists.oasis-open.org/__archives/xacml/201301/__msg00022.html
    <https://lists.oasis-open.org/archives/xacml/201301/msg00022.html>

        stephen: still looking into alternatives to admin approach; practical
             necessity to dup admin policies nearly everywhere there is issue
             wrt unsafe policies being integrated w admin policies; reduction
             graphs lead to some perf issues
        erik: fwd chaining doesn't have same problem; top down recursive
             could limit intermediate delegates;
             also issue w np-complete;
        stephen: hasn't found way to deal w malicious policy;
        hal: in old days disc about detecting invalid policies;
        hal: recollection of use cases; large ratio between general pop
              vs admin people; maybe that helps;
        rich: what is issue of ctl
        stephen: sibling admin policy; writer of admin has to anticipate
             places where delegates will be extending, and making
             sure delegates have right authority; only sibling within
             same policy set.
        hal: as opposed to putting admins high in the tree;
        stephen: but hi in tree can't authorize things lower in the tree;
        stephen: one interesting use case is discretionary access ctl, such
             as every owner of resource is authorized, so they can write
             policies for their own resources;
        hal: "can do, can del" was intended to address that; if you are allowed
             to do it, you can delegate it as a policy; originally was in
             admin profile but we moved it to core.
             "can do, can del" is popular access model, implicitly mentioned
             in sections 2.7, 2.9 of core spec.

      Other business:

       hal: next call in 2 weeks 21-Feb-2013

       meeting/call adjourned: 3:51PM 7-Feb-2013




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--
David Brossard, M.Eng, SCEA, CSTP
Product Manager
+46(0)760 25 85 75
Axiomatics AB
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