Information Systems Security Group publications

• PERMIS: a modular authorization infrastructure. David W Chadwick, Gansen Zhao, Sassa Otenko, Romain Laborde, Linying Su, and Tuan Anh Nguyen. Concurrency and Computation: Practice and Experience, 20(11):1341-1357, August 2008. Online ISSN: 1532-0634.
• Expressions of Expertness: The Virtuous Circle of Natural Language for Access Control Policy Specification. Philip Inglesant, M Angela Sasse, David Chadwick, and Lei Lei Shi. In Symposium on Usable Privacy and Security (SOUPS), July 2008, Pittsburgh, PA, July 2008.
• Coordinating Access Control in Grid Services. David W Chadwick, Linying Su, and Romain Laborde. Concurrency and Computation: Practice and Experience, 20(9):1071-1094, June 2008. Online version available from http://www3.interscience.wiley.com/cgi-bin/abstract/117347062/ABSTRACT.
• Storing data in ad hoc networks. Gareth Owen and Mo Adda. In International Conference on Challenges in Higher Education and Research in the 21st Century, Bulgaria, June 2008.
• On the Modeling of Bell-LaPadula Security Policies using RBAC. Gansen Zhao and David W Chadwick. In Proceedings of 17th IEEE International workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE 2005), Rome, June 2008.
• Adding authorisation to eduroam. David Chadwick, George Beitis, and Gareth Owen. In TERENA Networking Conference, Brugge, Belgium, May 2008.
• Advanced Security for Virtual Organizations: The Pros and Cons of Centralized vs Decentralized Security Models. R O Sinnott, D W Chadwick, T Doherty, D Martin, A Stell, G Stewart, L Su, and J Watt. In Proceedings of the 8th IEEE International Symposium on Cluster Computing and the Grid (CCGrid 08), pages 106-113, Ecole Normale Superieure de Lyon, Lyon, France, May 2008. Institute of Electrical and Electronics Engineers.
• Tca: Topology change attack in peer-to-peer networks. M. Abdelouahab, H. Ragab Hassen, A. Bouabdallah, M. Achemlal, and S. Laniepce. In Mobile and Wireless Networks Security workshop (MWNS), March 2008.
• Obligations for privacy and confidentiality in distributed transactions. U.M. Mbanaso, G.S. Cooper, David Chadwick, and Anne Anderson. In Mieso K Denko and et al., editors, Proceedings of Second Int. Workshop on Trustworthiness, Reliability and Services in Ubiquitous and Sensor Networks, Emerging Directions in Embedded and Ubiquitous Computing, pages 69-81, December 2007.
• A self-organising distributed location server for ad hoc networks. Gareth Owen. PhD thesis, University of Portsmouth, November 2007.
• Dynamic delegation of authority in web services. D.W. Chadwick. In Panayiotis Periorellis, editor, Securing Web Services: Practical Usage of Standards and Specifications. Idea Group Inc, October 2007.
• Authorisation using attribute from multiple authorities - a study of requirements. George Inman, David Chadwick, and Nate Klingenstein. In Proceedings of HCSIT Summit - ePortfolio International Conference, Maastricht, The Netherlands, October 2007.
• Authorisation Using Attributes from Multiple Authorities: A Study of Requirements. George Inman, David Chadwick, and Nate Klingenstein. In HCIT Summit - ePortfolio International Conference, Maastricht, The Netherlands, October 2007.
• Recognition of Authority in Virtual Organisations. Tuan-Anh Nguyen, David Chadwick, and Bassem Nasser. In A Min Tjoa Costas Lambrinoudakis, Gunther Pernul, editor, LNCS 4657. Trust, Privacy and Security in Digital Business, pages 3-13, September 2007.
• Recognition of authority in virtual organisations. Tuan-Anh Nguyen, David Chadwick, and Bassem Nasser. In The 4th International Conference on Trust, Privacy and Security in Digital Business (TrustBus07), September 2007.
• Key management for content access control in a hierarchy. H. Ragab Hassan, A. Bouabdallah, H. Bettahar, and Y. Challal. Computer Networks: The International Journal of Computer and Telecommunications Networking, 51(11):3197-3219, August 2007.
• Using WebDAV for Improved Certificate Revocation and Publication. David Chadwick and Sean Anthony. In LNCS 4582. Public Key Infrastructure, Proceedings of 4th European PKI Workshop, Palma de Mallorca, Spain, pages 265-279, June 2007.
• Modelling access control for healthcare information systems. Ana FERREIRA, David CHADWICK, and Luís ANTUNES. In doctoral consortium at 9th International Conference on Enterprise Information Systems (ICEIS2007), June 2007.
• Access control: how can it improve patients' healthcare?. Ana Ferreira, Ricardo Cruz-Correia, Luis Antunes, and David Chadwick. Studies in Health Technology and Informatics, 127, June 2007.
• Access Control: how can it improve patients' healthcare?. Ana Ferreira, Ricardo Cruz-Correia, Luis Antunes, and David Chadwick. In International Council on Medical and Care Compunetics (ICMCC 2007), Amsterdam, June 2007.
• Achieving Fine-grained Access Control in Virtual Organisations. N. Zhang, L. Yao, A. Nenadic, J. Chin, C. Goble, A. Rector, D. Chadwick, S. Otenko, and Q. Shi. Concurrency and Computation: Practice and Experience, 19(9):1333-1352, June 2007. Available from http://www3.interscience.wiley.com/cgi-bin/fulltext/113392827/PDFSTART.
• A new and efficient key management scheme for content access control within tree hierarchies. H. Ragab Hassan, A. Bouabdallah, and H. Bettahar. In The IEEE 21st International Conference on Advanced Information Networking and Applications (IEEE AINA-07), May 2007.
• Flexible and manageable delegation of authority in rbac. Tuan-Anh Nguyen, Linying Su, George Inman, and David Chadwick. In The 2007 IEEE International Symposium on Ubisafe Computing (UbiSafe-07), Niagara Falls, Canada, May 2007.
• Flexible and Manageable Delegation of Authority in RBAC. Tuan-Anh Nguyen, Linying Su, George Inman, and David Chadwick. In 2007 IEEE International Symposium on Ubisafe Computing (UbiSafe-07), Niagra Falls, Canada, May 2007.
• Obligation for Role Based Access Control. Gansen Zhao, David Chadwick, and Sassa Otenko. In IEEE International Symposium on Security in Networks and Distributed Systems (SSNDS07), May 2007.
• Multi-Session Separation of Duties (MSoD) for RBAC. David W Chadwick, Wensheng Xu, Sassa Otenko, Romain Laborde, and Bassem Nasser. In First International Workshop on Security Technologies for Next Generation Collaborative Business Applications (SECOBAP'07), Istanbul, Turkey, April 2007.
• Unifying grid and organisational security mechanisms. D.W. Chadwick. In Yang Xiao, editor, Security in Distributed, Grid, and Pervasive Computing. Auerbach Publications, CRC Press, April 2007.
• Coordinated decision making in distributed applications. David W. Chadwick. Information Security Technical Report, Elsevier, 12(3):147-154, January 2007.
• Supporting Decentralized, Security focused Dynamic Virtual Organizations across the Grid. R.O. Sinnott, D.W. Chadwick, J. Koetsier, O. Otenko, J. Watt, and T.A. Nguyen. In 2nd IEEE International Conference on e-Science and Grid Computing, Amsterdam, December 2006.
• Providing Secure Coordinated Access to Grid Services. David W Chadwick, Linying Su, and Romaine Laborde. In Proceedings of 4th International Workshop on Middleware for Grid Computing - MGC 2006, In conjunction with ACM/IFIP/USENIX 7th International Middleware Conference 2006, Melbourne, Australia, November 2006.
• The Virtuous Circle of Expressing Authorisation Policies. David Chadwick and Angela Sasse. In Proceedings of the ISWC'06 Workshop on Semantic Web Policy (SWPW'06), Georgia, USA, November 2006. . Available from: http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS//Vol-207/.
• Adding Support to XACML for Dynamic Delegation of Authority in Multiple Domains. David W Chadwick, Sassa Otenko, and Tuan Anh Nguyen. In Proc of 10th IFIP TC-6 TC-11 Int Conf, CMS 2006, pages 67-86, Heraklion, Crete, Greece, October 2006. Springer LNCS Volume 4237/2006.
• GridShib and PERMIS Integration. D.W. Chadwick, A. Novikov, and A. Otenko. Campus-Wide Information Systems, 23(4):297-308, October 2006.
• Building a Modular Authorization Infrastructure. David Chadwick, Gansen Zhao, Sassa Otenko, Romain Laborde, Linying Su, and Tuan Anh Nguyen. In All Hands Meeting, Nottingham, September 2006. .Available from : http://www.allhands.org.uk/2006/proceedings/papers/677.pdf.
• Advanced Security Infrastructures for Grid Education. R.O. Sinnott, A.J. Stell, J. Watt, and D.W. Chadwick. In 10th World Multi-Conference on Systemics,Cybernetics and Informatics (WMSCI 2006), Orlando, Florida, July 2006.
• Co-ordination between Distributed PDPs. D.W. Chadwick, L. Su, O. Otenko, and R. Laborde. In Proceedings of the 7th IEEE International Workshop on Policies for Didstributed Systems and Networks, pages 163-172, June 2006.
• Authorisation using Attributes from Multiple Authorities. D.W. Chadwick. In Proceedings of Workshops on Enabling Technologies (WET-ICE 2006), June 2006. Winner of Best Paper Award.
• How to break access control in a controlled manner. A. Ferreira, R. Cruz-Correia, L. Antunes, P. Farinha, E. Oliveira-Palhares, D.W. Chadwick, and A. Costa-Pereira. In Proceedings of the 19th IEEE International Symposium on Computer-Based Medical Systems, pages 847-851, June 2006.
• Privacy Preserving Trust Authorization Framewrok using XACML. U.M. Mbanaso, G.S. Cooper, D.W. Chadwick, and S. Proctor. In IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2006), pages 673-678. IEEE Computer Society, June 2006. Presented in Workshop on Trust, Security and Privacy for Ubiquitous Computing (TSPUC'06).
• Distributed key management for secure role based messaging. Gansen Zhao, Sassa Otenko, and David Chadwick. In Proceeding of The IEEE 20th International Conference on Advanced Information Networking and Applications (AINA2006), Vienna University of Technology, Vienna, Austria, April 2006.
• The TrustCoM approach to enforcing agreements between interoperating enterprises. Michael Wilson, Alvaro Arenas, David Chadwick, Theo Dimitrakos, Jurgen Doser, Pablo Giambiagi, David Golby, Christian Geuer-Pollman, Jochen Haller, Stølen Ketil, and ... In Interoperability for Enterprise Software and Applications Conference (I-ESA'06), Bordeaux, France, March 2006. Available from : http://epubs.cclrc.ac.uk/bitstream/898/Trustcom_Interoperability_France.pdf.
• Authorisation in Grid Computing. David Chadwick. Information Security Technical Report, 10(1):33-40, 2005.
• Public Key Infrastructure : Proceedings of europki2005. David Chadwick and Gansen Zhao, editors, volume 3545 of Lecture Notes in Computer Science. Springer, November 2005. available online at http://www.springeronline.com/3-540-28062-6.
• A PKI Based Secure Audit Web Server. Wensheng Xu, David Chadwick, and Sassa Otenko. In IASTED Communications, Network and Information and CNIS, Phoenix, USA, November 2005.
• Security and Trust Management Extensions to the PERMIS X.509 Privilege Management Infrastructure. DW Chadwick. ERCIM News, 63, October 2005. Available from http://www.ercim.org/publication/Ercim_News/enw63/chadwick.html.
• An efficient key management algorithm for hierarchical group communication. H. Ragab Hassan, A. Bouabdallah, H. Bettahar, and Y. Challal. In SecureComm: The IEEE first International Conference on, pages 270 - 276, September 2005.
• The X.509 Privilege Management Standard. David Chadwick. Upgrade - The European Journal for the Informatics Professional, VI(4):41-46, August 2005. Available from http://www.upgrade-cepis.org/issues/2005/4/up6-4Chadwick.pdf.
• R-What? Development of a Role-Based Access Control (RBAC) Policy-Writing Tool for e-Scientists. Sacha Brostoff, M Angela Sasse, David Chadwick, James Cunningham, Uche Mbanaso, and Sassa Otenko. Software: Practice and Experience, 35(9):835-856, July 2005.
• A Heterogeneous Network Access Service based on PERMIS and SAML. Gabriel Lopez, Oscar Canovas, Antonio F Gomez-Skarmeta, Sassa Otenko, and David Chadwick. In Proceedings of 2nd EuroPKI Workshop, University of Kent, July 2005.
• Development of a Flexible PERMIS Authorisation Module for Shibboleth and Apache Server. Wensheng Xu, David Chadwick, and Sassa Otenko. In 2nd EuroPKI Workshop, University of Kent, July 2005.
• Gestion de clés dans la communication de groupes hiérarchiques. H. Ragab Hassan, A. Bouabdallah, H. Bettahar, and Y. Challal. In Sécurité et Architectures Réseaux-SAR’05, Batz sur Mer-France, June 2005.
• Automated Decomposition of Access Control Policies. L Su, DW Chadwick, A Basden, and JA Cunningham. In Proceeds of 6th IEEE International Workshop on Policies for Distributed Systems and Networks, pages 3-13, Stockholm, Sweden, June 2005.
• Automated decomposition of access control policies. Linying Su, David W Chadwick, Andrew Basden, and James Cuningham. In Proceedings of Sixth IEEE International Workshop on Policies for Distributed Systems and Networks, pages 3-13, Stockholm, Sweden, June 2005. IEEE Computer Society.
• Automated decomposition of access control policies. Linying Su, David W Chadwick, Andrew Basden, and James Cuningham. In Proceedings of Sixth IEEE International Workshop on Policies for Distributed Systems and Networks, pages 3-13, Stockholm, June 2005. IEEE Computer Society.
• Evolving messaging systems for secure role based messaging. Gansen Zhao and David Chadwick. In 10th IEEE International Conference on Engineering of Complex Computer Systems (ICECCS'05), pages 216-223, June 2005.
• Trust infrastructure for policy based messaging in open environments. Gansen Zhao and David Chadwick. In 14th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE-2005), Linköping University, Sweden, June 2005.
• Operational Models for Reputation Servers. DW Chadwick. In Peter Herrmann, Valerie Issarny, and Simon Shiu, editors, Trust Management: Third International Conference, iTrust 2005, volume 3477 of Lecture Notes in Computer Science, Paris, France, May 2005.
• Delegation Issuing Service. David Chadwick. In NIST 4th Annual PKI Workshop, pages 62-73, Gaithersberg, USA, April 2005. Available from : http://middleware.internet2.edu/pki05/proceedings/chadwick-delegation-issuing.pdf.
• Hi-kd : Hash-based hierarchical key distribution for group communication. H. Ragab Hassan, A. Bouabdallah, H. Bettahar, and Y. Challal. In IEEE-INFOCOM'05, short paper, Miami, FL-USA, March 2005.
• Enhancedwep : a new solution to wep threats. H. Ragab Hassan and Y. Challal. In IFIP-WOCN’05 International Conference on Wireless and Optical Communications Networks, Dubai-UAE, March 2005.
• An agent-based model for web services transaction processing. Xinming Wang, Gansen Zhao, Xin Zhang, and Beihong Jin. In 2005 IEEE International Conference on e-Technology, e-Commerce and e-Service (EEE'05), March 2005. available on IEEE : http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/eee/2005/2274/00/2274toc.xml&DOI=10.1109/EEE.2005.30.
• Experiences of Applying Advanced Grid Authorisation Infrastructures. RO Sinnott, AJ Stell, DW Chadwick, and O Otenko. In Proceedings of European Grid Conference (EGC), Amsterdam, Holland, February 2005. LNCS, Springer. To appear.
• Using SAML to link the GLOBUS toolkit to the PERMIS authorisation infrastructure. David W Chadwick, Sassa Otenko, and Von Welch. In David Chadwick and Bart Preneel, editors, Communications and Multimedia Security, pages 251-261. IFIP, Springer, January 2005.
• Communications and Multimedia Security. David Chadwick and Bart Preneel, editors, IFIPS CMS Conference Proceedings. Springer, January 2005.
• Implementing Role Based Access Controls using X.509 Privilege Management - the PERMIS Authorisation Infrastructure. DW Chadwick and A Otenko. In Borka Jerman-Blazic, Wolfgang Schneider, and Tomaz Klobucar, editors, Security and Privacy in Advanced Networking Technologies, NATO Science Series, pages 26-39. IOS Press, 2004. Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Bled, Slovenia, 15-18 September 2003.
• The X.509 Privilege Management Infrastructure. DW Chadwick. In Borka Jerman-Blazic, Wolfgang Schneider, and Tomaz Klobucar, editors, Security and Privacy in Advanced Networking Technologies, pages 15-25. IOS Press, 2004. Proceedings of the NATO Advanced Networkign Workshop on Advanced Security Technologies in Networking, Bled, Slovenia, 15-18 September 2003.
• A self-synchronised scheme for automated communication in wireless sensor networks. A Gonzalez-Velazquez, I W Marshall, and L Sacks. In ISSNIP-2004, 2004.
• Electronic transmission of prescriptions - towards realising the dream. D. Mundy and D. W. Chadwick. International Journal of Electronic Healthcare (IJEH), 2004, 1(1):112-125, 2004.
• An XML alternative for performance and security: ASN.1. D. Mundy and D.W. Chadwick. IEEE IT Professional, 6(1):30-36, 2004.
• A Self-Organising Clustering Algorithm for Wireless Sensor Networks. I Wokoma, L Sacks, and I W Marshall. In LCS-2004, 2004. See: http://www.cs.kent.ac.uk/projects/secoas/papers.htm.
• Autonomic Privilege Management - extending PERMIS to contribute to the TrustCOM objectives. David Chadwick. In E-Challenges 2004, pages 27-29, Vienna, Austria, October 2004.
• Small and medium enterprises at risk in the united kingdom. Robert Onions and David Chadwick. In Digital Accounting Research Conference, Facultad De Ciencias Empresariales, University Of Huelva, 11 Plaza De La Merced, Huelva (Spain), October 2004.
• Using SAML to Link the GLOBUS Toolkit to the PERMIS Authorisation Infrastructure. David Chadwick, Sassa Otenko, and Von Welch. In Proceedings of Eighth Annual IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, Windermere, UK, September 2004.
• Threat Modelling for Active Directory. David Chadwick. In Proceedings of Eighth Annual IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, pages 173-182, Windermere, UK, September 2004.
• Experiences of Using the GGF SAML AuthZ Interface. RO Sinnott and DW Chadwick. In Proceedings of the UK e-Science All Hands Meeting, Nottingham, UK, September 2004.
• Experiences of Establishing Trust in a Distributed System Operated by Mutually Distrusting Parties. Scott Crawford and David Chadwick. In 3rd Annual PKI R&D Workshop, NIST, Gaithersburg MD, April 2004. Available from: http://middleware.internet2.edu/pki04/proceedings/trust_experiences.pdf.
• The Secure Electronic Transfer of Prescriptions. D.W. Chadwick and D.P. Mundy. In HC2004, Harrogate, UK, March 2004. Keynote paper.
• Some expectations and perceptions of electronic transfer of prescription systems. D.P. Mundy, D.W. Chadwick, and E. Ball. British Journal of Health Care Computing and Information Management, March 2004, 22(2):34-38, March 2004.
• Secure knowledge management. D.P. Mundy and D.W. Chadwick. In Wickramasinghe, J.N.D. Gupta, and S.K. Sharma, editors, Creating Knowledge Based Health Care Organizations, pages 321-337. Idea Publishing Group, February 2004.
• The implementation of a system for evaluating trust in a PKI environment. E. Ball, D.W. Chadwick, and A. Basden. In Otto Petrovic, Michael Ksela, Markus Fallenbock, and Christian Kitti, editors, Trust in the Network Economy, Evolaris, volume 2, pages 263-279. SpringerWein, 2003.
• A Comparison of the Akenti and PERMIS Authorization Infrastructures in Ensuring Security in IT Infrastructures. D. Chadwick and O. Otenko. In Mahmoud T El-Hadidi, editor, Proceedings of the ITI First International Conference on Information and Communications Technology (ICICT 2003) Cairo University, pages 5-26, 2003.
• Security issues in the electronic transfer of prescriptions. D. P. Mundy and D.W Chadwick. Medical Informatics and the Internet in Medicine, 28(4):253-278, 2003.
• Experiences of using a PKI to access a hospital information system by high street opticians. D.W. Chadwick, D. Mundy, and J. New. Computer Communications special edition on PKI, 26:1893-1903, October 2003.
• An Authorisation Interface for the GRID. D. W. Chadwick. In E-Science All Hands Meeting 2003, Nottingham, September 2003.
• Towards Electronic Transfer of Prescriptions (ETP) in the United Kingdom National Health Service - Stakeholder Evaluation of ETP Pilots. D.P Mundy, D.W Chadwick, E Ball, P Marsden, D Bell, J.E Whatley, P Sobreperez, and J New. In 3rd International Conference on The Management of Healthcare and Medical Technology, Warwick, September 2003.
• The Benefits in and Barriers towards the Implementation of Electronic Transfer of Prescriptions within the United Kingdom National Health Service. D. Mundy and D.W. Chadwick. In 3rd International Conference on The Management of Healthcare and Medical Technology, Warwick, UK, September 2003.
• Spatial reasoning with mutiple knowledge sources in image understaning. Linying Su, Bernadette Sharp, and Claude Chibelushi. In B. Simak and P. Zahradnik, editors, Recent Trends in Mutimedia Information Processing-Proceedings of the 10th International Workshop on Systems, Signals and Image Processing, pages 250-253. Sdelovaci Technika Spol. s.r.o., September 2003.
• Session Limited vs. Persistent Role Membership. Jean Bacon, Ken Moody, David Chadwick, and Sassa Otenko. In Seventeenth Annual IFIP WG 11.3 Working Conference on Database and Applications Security at Estes Park, Colorado, August 2003.
• Modifying LDAP to Support PKIs. D.W. Chadwick, M. Sahalayev, and E. Ball. In Seventeenth Annual IFIP WG 11.3 Working Conference on Database and Applications Security at Estes Park, Colorado, August 2003.
• Policy Based Electronic Transmission of Prescriptions. D.W. Chadwick and D. Mundy. In Proc of Fourth IEEE Int Workshop on Policies for Distributed Systems and Networks, Lake Como, Italy, pages 197-206, June 2003.
• Internet x.509 public key infrastructure ldap schema for x.509 attribute certificates. D.W. Chadwick and M. V. Sahalayev. Internet Draft, June 2003.
• Internet x.509 public key infrastructure ldap schema for x.509 crls. D.W. Chadwick and M. V. Sahalayev. Internet Draft, June 2003.
• The X.509 privilege management infrastructure. D.W. Chadwick. In Borka Jerman-Blazic, Wolfgang Schneider, and Tomaz Klobucar, editors, Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Bled, Slovenia, page 1525. IOS Press, June 2003.
• An Application Programming Interface for the Electronic Transmission of Prescriptions. D.P. Mundy, D.W. Chadwick, and E. Ball. In Proceedings of the International Workshop for Technology, Economy, Social and Legal Aspects of Virtual Goods, Ilmeaunu, Germany, May 22-24 2003, pages 27-38, May 2003.
• Comparing the Performance of Abstract Syntax Notation One (ASN.1) vs eXtensible Markup Language (XML). D.P. Mundy and D.W. Chadwick. In Terena Networking Conference, Zagreb, May 2003.
• Providing a Secure Solution for the Integration of Electronic Prescription Transfer within the United Kingdom National Health Service. D.P. Mundy. In UKAIS PhD Symposium 2003, University of Warwick, UK, April 2003.
• Patient privacy in electronic prescription transfer. E. Ball, D.W. Chadwick, and D. Mundy. IEEE Security & Privacy magazine, pages 77-80, March 2003.
• Implementing role based access controls using X.509 attribute certificates. D.W. Chadwick, A. Otenko, and E. Ball. IEEE Internet Computing, pages 62-69, March 2003.
• Deficiencies in LDAP when used to support a public key infrastructure. D.W. Chadwick. Communications of the ACM, 46(3):99-104, March 2003.
• The PERMIS X.509 role based privilege management infrastructure. D.W. Chadwick and A. Otenko. Future Generation Computer Systems, 19(2):277-289, February 2003.
• Experiences of Using a Public Key Infrastructure to Access Patient Confidential Data over the Internet. D. W. Chadwick, C. Carroll, S. Harvey, J. New, and A. J. Young. In Ralph H. Sprague, Jr., editor, Proceedings of the 35th Annual Hawaii International Conference on System Sciences 2002 (HICCS 2002), page 156, 2002.
• Privilege Management for E-Construction. David W Chadwick, Olexandre Otenko, David Hunter, and Cristiano Leoni. In Yacine Rezgui, Bingunath Ingirige, and Ghassan Aouad, editors, Proc European Conf on Information and Communication Technology Advances and Innovation in the Knowledge Society, Part B, University of Salford, UK. 2002, pages 91-102, 2002.
• Internet x.509 public key infrastructure - ldap schema for pkis. D.W. Chadwick and S Legg. Internet Draft, July 2002.
• Internet x.509 public key infrastructure - ldap schema for pmis. D.W. Chadwick and S. Legg. Internet Draft, July 2002.
• A System for Secure Electronic Prescription Handling. D.P. Mundy and D.W. Chadwick. In Proc of The Hospital of the Future, Second International Conference On The Management Of Healthcare And Medical Technology, Illinois Institute of Technology, Chicago, Illinois, USA, July 2002.
• Returning matched values with ldapv3. D.W. Chadwick and S. Mullan. Internet Draft, June 2002. RFC number 3876.
• The PERMIS X.509 Role Based Privilege Management Infrastructure. D.W. Chadwick and A. Otenko. In Proc 7th ACM Symposium On Access Control Models And Technologies (SACMAT 2002), Monterey, USA, pages 135-140, June 2002.
• RBAC Policies in XML for X.509 Based Privilege Management. D.W. Chadwick and A. Otenko. In M. A. Ghonaimy, M. T. El-Hadidi, and H.K. Aslan, editors, Security in the Information Society: Visions and Perspectives: IFIP TC11 17th Int. Conf. On Information Security (SEC2002), Cairo, Egypt, pages 39-53. Kluwer Academic Publishers, May 2002.
• Ldapv3 dn strings for use with pkis. D.W. Chadwick. Internet Draft, April 2002.
• The permis x.509 based privilege management infrastructure. D.W. Chadwick. Internet Draft, April 2002.
• Knowledge-based image understanding: A rule-based production system for X-ray segmentation. Linying Su, Bernadette Sharp, and Claude Chibelushi. In Proceedings of Fourth International Conference on Enterprise Information System, volume 1, pages 530-533, Ciudad Real, Spain, April 2002.
• Internet x.509 public key infrastructure operational protocols - ldapv3. D.W. Chadwick. Internet Draft, January 2002.
• Providing Secure Access to Confidential Patient Information Detailing Diabetic Condition. D. W. Chadwick, J. P. New, D. M. McDowell, and D.P. Mundy. In P. Graham, M. Maheswaran, and R. Eskicioglu, editors, The International Conference On Internet Computing 2001, volume I, pages 535-541. CSREA Press, 2001.
• Issues raised in modelling trust in a public key infrastructure. A. Basden, E. Ball, and D.W. Chadwick. Expert Systems, 18(5):233-249, November 2001.
• Evaluating trust in a public key certification authority. D. W. Chadwick and A. Basden. Computers and Security, 20(7):592-611, November 2001.
• An X.509 role based privilege management infrastructure. D.W. Chadwick. In Briefing - Global InfoSecurity 2002, World Markets Research Centre Ltd. World Markets Research Centre, October 2001. On accompanying CD-ROM Reference Library/03.pdf.
• Providing secure remote access to legacy applications. A.J. Young, D.W. Chadwick, and J. New. IEE Computing and Control Engineering Journal, 12(4):148-156, August 2001.
• Deficiencies in LDAP when used to Support a Public Key Infrastructure. D.W. Chadwick. In Terena Networking Conference, Antalya, May 2001.
• Experiences of using a public key infrastructure for the preparation of examination papers. D. W. Chadwick, R. Tassabehji, and A. J. Young. Computers in Education, 35(1):1-20, 2000.
• Initial experiences of accessing patient confidential data over the internet using a public key infrastructure. D. W. Chadwick, S. Harvey, J. New, and A. J. Young. In W.S. Schneider B. Jerman-Blazic and T. Klobucar, editors, Advanced Security Technologies for Insecure Networks, pages 201-209. IOS Press, Amsterdam, December 2000. Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Portoroz, Slovenia, 2000 4.
• A directory application level firewall - the Guardian DSA. D.W. Chadwick and A.J. Young. In W.S. Schneider B. Jerman-Blazic and T. Klobucar, editors, Advanced Security Technologies for Insecure Networks, pages 133-147. IOS Press, Amsterdam, December 2000. Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Portoroz, Slovenia, 2000 3.
• Network firewall technologies. D.W. Chadwick. In W.S. Schneider B. Jerman-Blazic and T. Klobucar, editors, Advanced Security Technologies for Insecure Networks, pages 149-166. IOS Press, Amsterdam, December 2000. Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Portoroz, Slovenia, 2000 2.
• Using the internet to access confidential patient records: A case study''. D. W. Chadwick, P.J. Cook, A.J. Young, D.M. McDowell, and J.P. New. British Medical Journal, 321:612-614, September 2000.
• Initial Experiences of Building Secure Access to Patient Confidential Data via the Internet. D.W. Chadwick, S. Harvey, J. New, and A.J. Young. In Information Security Solutions Europe (ISSE) 2000, Barcelona, September 2000.
• Windows 2000: A threat to internet diversity and open standards?. D. Chadwick. IEEE Computer, 321:107-109, August 2000.
• Limited attribute certificate acquisition protocol. S Farrell and D.W. Chadwick. Internet Draft, July 2000.
• Secure directories. D.W. Chadwick. In W.S. Schneider B. Jerman-Blazic and T. Klobucar, editors, Advanced Security Technologies for Insecure Networks, pages 123-131. IOS Press, Amsterdam, June 2000. Proceedings of the NATO Advanced Networking Workshop on Advanced Security Technologies in Networking, Portoroz, Slovenia.
• Smart cards aren''t always the smart choice. D. W. Chadwick. IEEE Computer, 32(12):142-143, December 1999.
• Referrals and knowledge references in ldap directories. D.W. Chadwick, T. Howes, and M. Wahl. Internet Draft, July 1999.
• Compound (families of) entries. D.W. Chadwick. Internet Draft, June 1999.
• Neural networks for X-ray image segmentation. Linying Su, Bernadette Sharp, and Darryl Davis. In Proceedings of First International Conference on Enterprise Information System, pages 264-271, Setubal, Portugal, March 1999.
• The plane footprints inspection in computer. Linying Su. Journal of Inner Mongolia University (Edition of Science), 29(3):434-438, March 1999.
• Intelligent Computation of Trust. D. W. Chadwick, A. Basden, J. Evans, and A. J. Young. In Terena Networking Conference, TNC98, Dresden, Germany, pages 114-132, 1998.
• Enabling the Internet White Pages Service - the Directory Guardian. D. W. Chadwick and A. J. Young. In Internet Society Symposioum on Network and Distributed Systems Security (NDSS 98), San Diego, California, 1998.
• Coping with Poorly Understood Domains: the Example of Internet Trust. A. Basden, J. B. Evans, D. W. Chadwick, and A. Young. In Research and Development in Expert Systems, 1998, pages 114-132, December 1998. Presented at Expert Systems 98 conference, December 1998.
• Merging and extending the PGP and PEM trust models - the ICE-TEL trust model. D. W. Chadwick, A.J. Young, and N. Kapidzic Cicovic. IEEE Networks Special Publication on Internet Security, 11(3):16-24, May 1997.
• Trust Models in ICE-TEL. A.J. Young, N. Kapidzic Cicovic, and D.W. Chadwick. In The Internet Society 1997 Symposium on Network and Distributed Systems Security (NDSS 97) San Diego, California, February 1997.
• The basic of multi-media computer. Ruji Jin, Chen Lin, and Linying su. The people's press of Inner Mogolia, Hohhot, China, January 1997.
• Chinese Windows and general applications. Shi Liu, Guanglai Gao, Linying Su, Junyi Wang, Hongxu Hou, and Ping Li. Inner Mongolia University Press, Hohhot, China, January 1997.
• The ICE-TEL Public Key Infrastructure and Trust Model. D. W. Chadwick. In DIMACS Workshop on Trust Management, New York, USA, 1996.
• The Internet Directory is NOT Primarily a Technology Issue. D. W. Chadwick. In INET 96 Conference, Montreal, Canada, 1996.
• Understanding x.500 (the directory). D. W. Chadwick. International Thompson Publishing, 1996.
• Implementation of a mechanism in the OSI directory. Y. Ma and D.W. Chadwick. Minimicro Systems (China), 17(7):5-10, 1996.
• Important lessons derived from X.500 case studies. D. W. Chadwick. IEEE Network, 10(2):22-34, March 1996.
• A method for collecting case study information via the internet. D. W. Chadwick. IEEE Network, 10(2):36-38, March 1996.
• Adaptiveimage retrieve based on coocurrence matrix. Linying Su. Journal of Inner Mongolia University (Edition of Science), 27(1):123-128, January 1996.
• Interdomain guardians in a distributed directory service. D W Chadwick and N Pope. In P Veiga and D Khakhar, editors, Information Networks and Data Communications - Proceedings of the IFIP TC6 International Conference on Information Networks and Data Communications, Funchal, Madeira Island, Portugal, pages 347-365, 1994.
• The introduction to hospital office system. Chunsheng Lan, Fang Ting, and Linying Su. Processing and Research of Medical Iinformation, 1(1):26-28, August 1993.
• The implementation of Computer Based Nursing System. Linying Su, Xiulan Ji, Liling Guo, and Xiaoling Lu. Processing and Research of Medical Iinformation, 1(1):24-26, August 1993.
• `simulating the global directory service with opnet. A Andrianopoulos and D W Chadwick. In Proceedings of the IEEE 26th Annual Simulation Symposium, Washington, pages 162-172. IEEE Computer Society Press, March 1993.
• An interface to dbase-iii in natural language. Linying Su. Journal of Inner Mongoliar University (Edition of Science), 24(2):213-224, March 1993.
• Distributed aspects of the 1992 directory standard. D W Chadwick. In S.Tzafestas, P.Borne, and L.Grandinetti, editors, Parallel and Distributed Computing in Engineering Systems, North-holland, 1992, pages 471-476, June 1992. Proceedings of the IMACS/IFAC International Symposium on Parallel and Distributed Computing in Engineering Systems, June, 1991.
• X.500: 1988 v 1992. D W Chadwick. In Proceedings of the Electronic Directories Conference, London, pages 23-29. Pinner:Blenheim Publications, April 1991.
• The 1992 directory standards - implications for earlier implementations of the directory. D W Chadwick. In Colloquium on the Global Directory, London. IEE, April 1990.
• The directory and its implications for name registration. D W Chadwick. In Proceedings of the Open Systems and Interoperability Conference, London. Blenheim Online Publications, March 1990.
• Tutorial on x.500 - the directory. D W Chadwick. In IFIP TCC 3rd Int Conf on Information Network and Data Communication, Lillehammer, pages T3-1-T3-17, March 1990.
• Test-questions data base and automatic assembling and composing. Linying Su. Journal of Inner Mongolia University (Edition of Science), 20(2):284-288, April 1989.
• The directory - existing services and proposed enhancements. D W Chadwick. In Proceedings of the Open Systems 89 Conference (London), pages 107-132. Blenheim Online Publications, March 1989.
• FTAM. The development of a commercial product.. D W Chadwick. In Proceedings of the Open Systems Conference (London). Online Publications, March 1987.
• Issues in the implementation of application layer standards. D W Chadwick. In Proceedings of the Open Systems Conference (London). Online Publications, March 1986.