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Documentation

Published papers

1.  David Chadwick, GansenZhao, Sassa Otenko, Romain Laborde, Linying Su and Tuan Anh Nguyen. “PERMIS: a modular authorization infrastructure”. Concurrency And Computation: Practice And Experience. Volume 20, Issue 11, Pages 1341-1357, 10 August 2008. Online ISSN: 1532-0634. Print ISSN: 1532-0626. DOI: 10.1002/cpe.1313. Download here.
2. David W Chadwick, Sassa Otenko and Tuan Anh Nguyen. “Adding Support to XACML for Multi-Domain User to User Dynamic Delegation of Authority”. International  Journal of Information Security. Volume 8, Number 2 / April, 2009 pp 137-152. DOI 10.1007/s10207-008-0073-y. Download here
3. David W Chadwick, George Inman. “Attribute Aggregation in Federated Identity Management”. IEEE Computer, May 2009, pp 46-53. Download here
   
4. David Chadwick. “The X.509 Privilege Management Standard”. Upgrade - The European Journal for the Informatics Professional, Vol. VI, No. 4, Aug 2005 pp41-46. Available from http://www.upgrade-cepis.org/issues/2005/4/up6-4Chadwick.pdf
5. D.W.Chadwick, A. Novikov, A. Otenko.“GridShib and PERMIS Integration“. Campus-Wide Information Systems. Vol 23, No 4. 2006. pp297-308  ISSN 1065-0741. Download here
6. D.W.Chadwick, A. Otenko, E.Ball. “Role-based access control with X.509 attribute certificates”, IEEE Internet Computing, March-April 2003, Vol 7, Issue 2, pp. 62-69.Download here
7. D.W.Chadwick, A. Otenko “The PERMIS X.509 Role Based Privilege Management Infrastructure”. Future Generation Computer Systems, Vol 19, Issue 2, Feb 2003. pp 277-289. Download here
8. D.W.Chadwick, A. Otenko. “RBAC Policies in XML for X.509 Based Privilege Management” in Security in the Information Society: Visions and Perspectives: IFIP TC11 17^th Int. Conf. On Information Security (SEC2002), May 7-9, 2002, Cairo, Egypt. Ed. by M. A. Ghonaimy, M. T. El-Hadidi, H.K.Aslan, Kluwer Academic Publishers, pp 39-53.  Download here

Internet Draft

The PERMIS X.509 Based Privilege Management Infrastructure

Latest PERMIS Policy Schema

The latest policy schema can be found here: PERMIS Policy Schema Version 5.6. All software packages that start with a version number of 5 expect this schema. Consequently they will not work when using a policy that doesn't obey this schema. In particular policies created with the Policy Editor with a version number less than 5 don't follow this schema.
Latest changes
Version 5.6 added a new policy parameter "EnableNotApplicable" which allows the PDP to choose between a mode of operation where results which are neither Permit nor Indeterminate will return NotApplicable (EnableNotApplicable set to true) or a mode where Deny is returned instead (EnableNotApplicabke set to false - default behaviour).

PERMIS Policy DTD Version 42 - the DTD for the PERMIS Policy and Sub-Policies. The DTD contains inline comments about the meaning of the elements.

PERMIS Policy Schema Version 42 - the schema for the PERMIS Policy and Sub-Policies.

Programmers Documentation

All ISSRG classes - the documentation for all packages we produced, including Privilege Allocator and PBA API. 

Decision Making In PERMIS - this document discusses how the core PERMIS API should make its decisions and how the returned responses and exceptions should be translated into one of the four possible XACML decisions (Grant, Deny, Indeterminate, NotApplicable).  

Programmers Guide - Programming with the PERMIS API. Here are the examples (and libraries) to supplement the Programmers Guide. Registration required.

Related documents