- J. Crampton.
Practical constructions for the efficient cryptographic enforcement of
interval-based access control policies.
ACM Transactions on Information and System Security, 14(1):14,
2011.
(doi:10.1145/1952982.1952996)
- J. Crampton, H.W.
Lim, K.G. Paterson, and G. Price.
User-friendly and certificate-free grid security infrastructure.
International Journal of Information Security, 10(3):137–153,
2011.
(doi:10.1007/s10207-011-0123-8)
- Q. Wei, J. Crampton,
K. Beznosov, and M. Ripeanu.
Authorization recycling in hierarchical RBAC systems.
ACM Transactions on Information and System Security, 14(1):3,
2011.
(doi:10.1145/1952982.1952985)
- J. Crampton.
Cryptographically-enforced hierarchical access control with multiple keys.
Journal of Logic and Algebraic Programming, 78(8):690–700, 2009.
(doi:10.1016/j.jlap.2009.04.001)
- J. Crampton and H. Khambhammettu.
Delegation in role-based access control.
International Journal of Information Security, 7(2):123–136,
2008.
(doi:10.1007/s10207-007-0044-8)
- F. Paci, E. Bertino,
and J. Crampton.
An access-control framework for WS-BPEL.
International Journal of Web Services Research, 5(3):20–43, 2008.
(doi:10.4018/jwsr.2008070102)
- Steve Counsell,
Stephen Swift, and Jason Crampton.
The interpretation and utility of three cohesion metrics for object-oriented
design.
ACM Transactions on Software Engineering and Methodololgy,
15(2):123–149, 2006.
(doi:10.1145/1131421.1131422)
- J. Crampton.
Applying hierarchical and role-based access control to XML documents.
Computer Science and System Engineering, 21(5):325–338, 2006.
(PDF)
- A. Tucker,
J. Crampton, and S. Swift.
RGFGA: An efficient representation and crossover for grouping genetic
algorithms.
Evolutionary Computation, 13(4):477–500, 2005.
(doi:10.1162/106365605774666903)
- J. Crampton and H. Khambhammettu.
Access control in a distributed object environment using XML and roles.
South African Computer Journal, 31:2–8, 2003.
(PDF)
- J. Crampton
and G. Loizou.
Administrative scope: A foundation for role-based administrative models.
ACM Transactions on Information and System Security,
6(2):201–231, 2003.
(doi:10.1145/762476.762478)
- J. Crampton
and G. Loizou.
Authorisation and antichains.
ACM Operating Systems Review, 35(3):6–15, 2001.
(doi:10.1145/383237.383238)
- J. Crampton
and G. Loizou.
The completion of a poset in a lattice of antichains.
International Mathematical Journal, 1(3):223–238, 2001.
(PDF)
- J. Crampton,
G. Loizou, and G. O'Shea.
A logic of access control.
The Computer Journal, 44(2):137–149, 2001.
(doi:10.1093/comjnl/44.1.54)
- J. Crampton.
Time-storage trade-offs for cryptographically-enforced access control.
In Proceedings of 16th European Symposium on Research in Computer
Security, pages 245–261, 2011.
(doi:10.1007/978-3-642-23822-2_14)
- J. Crampton
and M. Huth.
On the modeling and verification of security-aware and process-aware
information systems.
In Proceedings of BPM Workshop on Workflow Security Audit and
Certification, 2011.
- J. Crampton
and M. Huth.
Synthesizing and verifying plans for constrained workflows: Transferring tools
from formal methods.
In Proceedings of 2011 Workshop of Verification and Validation of
Planning and Scheduling Systems, 2011.
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- L. Chen and J. Crampton.
Risk-aware role-based access control.
In Proceedings of 7th International Workshop on Security and Trust Management, 2011.
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- J. Crampton.
Cryptographic enforcement of role-based access control.
In Proceedings of 7th International Workshop on Formal Aspects of
Security and Trust, pages 191–205, 2010.
(doi:10.1007/978-3-642-19751-2_13)
- J. Crampton
and M. Huth.
An authorization framework resilient to policy evaluation failures.
In Proceedings of 15th European Symposium on Research in Computer
Security, pages 472–487, 2010.
(doi:10.1007/978-3-642-15497-3_29)
- J. Crampton
and M. Huth.
A framework for the modular specification and orchestration of authorization
policies.
In Proceedings of 15th Nordic Workshop on Secure IT Systems, 2010.
(PDF)
- J. Crampton
and C. Morisset.
An auto-delegation mechanism for access control systems.
In Proceedings of 6th International Workshop on Security and Trust
Management, 2010.
To appear.
(PDF)
- J. Crampton,
R. Daud, and K.M. Martin.
Constructing key assignment schemes from chain partitions.
In S. Foresti and S. Jajodia, editors, Data and Applications Security
XXIV, volume 6166 of Lecture Notes in Computer Science,
pages 130–145, 2010.
(doi:10.1007/978-3-642-13739-6_9)
- L. Chen and
J. Crampton.
Set cover problems in role-based access control.
In Proceedings of 14th European Symposium on Research in Computer
Security, pages 689–704, 2009.
(doi:10.1007/978-3-642-04444-1_42)
- J. Crampton.
Trade-offs in cryptographic implementations of temporal access control.
In Proceedings of 14th Nordic Workshop on Secure IT Systems, pages
72–87, 2009.
(doi:10.1007/978-3-642-04766-4_6)
- J. Crampton and
M. Huth.
Detecting and countering insider threats: Can policy-based access control help?
In Proceedings of 5th International Workshop on Security and Trust
Management, 2009.
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- J. Crampton and H. Khambhammettu.
A framework for enforcing constrained RBAC policies.
In Proceedings of 12th IEEE International Conference on Computational
Science and Engineering, pages 195–200, 2009.
(doi:10.1109/CSE.2009.325)
- L. Chen and
J. Crampton.
On spatio-temporal constraints and inheritance in role-based access control.
In Proceedings of ACM Symposium on Information, Computer and
Communications Security, pages 205–216, 2008.
(doi:10.1145/1368310.1368341)
- J. Crampton.
Why we should take a second look at access control in Unix.
In Proceedings of 13th Nordic Workshop on Secure IT Systems, 2008.
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- J. Crampton and H. Khambhammettu.
Delegation and satisfiability in workflow systems.
In I. Ray and N. Li, editors, Proceedings of 13th ACM Symposium on Access
Control Models and Technologies, pages 31–40, 2008.
(doi:10.1145/1377836.1377842)
- J. Crampton and H. Khambhammettu.
On delegation and workflow execution models.
In Proceedings of the 2008 ACM Symposium on Applied Computing,
pages 2137–2144, 2008.
(doi:10.1145/1363686.1364199)
- J. Crampton and
H.W. Lim.
Role signatures for access control in open distributed systems.
In Proceedings of IFIP TC-11 23rd International Information Security
Conference, pages 205–220, 2008.
(doi:10.1007/978-0-387-09699-5_14)
- M. Dekker,
J. Crampton, and S. Etalle.
RBAC administration in distributed systems.
In I. Ray and N. Li, editors, Proceedings of 13th ACM Symposium on Access
Control Models and Technologies, pages 93–102, 2008.
(doi:10.1145/1377836.1377852)
- Q. Wei, J. Crampton,
K. Beznosov, and M. Ripeanu.
Authorization recycling in RBAC systems.
In I. Ray and N. Li, editors, Proceedings of 13th ACM Symposium on Access
Control Models and Technologies, pages 63–72, 2008.
(doi:10.1145/1377836.1377848)
- L. Chen and
J. Crampton.
Inter-domain role mapping and least privilege.
In Proceedings of the 12th ACM Symposium on Access Control Models and
Technologies, pages 157–162, 2007.
(doi:10.1145/1266840.1266866)
- J. Crampton.
Cryptographically-enforced hierarchical access control with multiple keys.
In Proceedings of the 12th Nordic Workshop on Secure IT Systems,
pages 49–60, 2007.
- J. Crampton and
L. Chen.
Applications of the oriented permission role-based access control model.
In Proceedings of the 26th IEEE International Performance Computing and
Communications Conference, pages 387–394, 2007.
(doi:10.1109/PCCC.2007.358918)
- J. Crampton, H.W.
Lim, and K.G. Paterson.
What can identity-based cryptography offer to web services?
In Proceedings of 4th ACM Workshop on Secure Web Services, pages
26–36, 2007.
(doi:10.1145/1314418.1314424)
- J. Crampton,
H.W. Lim, K.G. Paterson, and G. Price.
A certificate-free grid security infrastructure supporting password-based user
authentication.
In Proceedings of 6th Annual PKI R&D Workshop, 2007.
- M. Dekker, J.G.
Cederquist, J. Crampton, and S. Etalle.
Extended privilege inheritance in RBAC.
In F. Bao and S. Miller, editors, Proceedings of 2007 ACM Symposium on
InformAtion, Computer and Communications Security, pages 383–385,
2007.
(doi:10.1145/1229285.1229335)
- H. Rowe and
J. Crampton.
Avoiding key redistribution in key assignment schemes.
In Proceedings of the Fourth International Workshop on Mathematical
Methods, Models, and Architectures for Computer Network Security,
pages 127–140, 2007.
- J. Skene, A. Skene,
J. Crampton, and W. Emmerich.
The monitorability of service-level agreements for application-service
provision.
In V. Cortellessa, S. Uchitel, and D. Yankelevich, editors, Proceedings
of the 6th International Workshop on Software and Performance, pages
3–14, 2007.
(doi:10.1145/1216993.1216997)
- S. Swift, A. Tucker,
J. Crampton, and D. Garway-Heath.
An improved restricted growth function genetic algorithm for the consensus
clustering of retinal nerve fibre data.
In H. Lipson, editor, Proceedings of Genetic and Evolutionary Computation
Conference, GECCO 2007, pages 2174–2181, 2007.
(doi:10.1145/1276958.1277376)
- A. Tucker,
S. Swift, and J. Crampton.
Efficiency updates for the restricted growth function GA for grouping
problems.
In H. Lipson, editor, Proceedings of Genetic and Evolutionary Computation
Conference, GECCO 2007, page 1536, 2007.
(doi:10.1145/1276958.1277265)
- E. Bertino,
J. Crampton, and F. Paci.
Access control and authorization constraints for WS-BPEL.
In Proceedings of IEEE International Conference on Web Services,
pages 275–284, 2006.
(doi:10.1109/ICWS.2006.21)
- Jason Crampton.
Discretionary and mandatory control for role-based administration.
In Ernesto Damiani and Peng Liu, editors, Data and Applications Security
XX, volume 4127 of Lecture Notes in Computer Science,
pages 194–208. Springer, 2006.
(doi:10.1007/11805588_14)
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Delegation in role-based access control.
In Proceedings of 11th European Symposium on Research in Computer
Security, pages 174–191, 2006.
(doi:10.1007/11805588_14)
- Jason
Crampton, Wing Leung, and Konstantin Beznosov.
The secondary and approximate authorization model and its application to
Bell-LaPadula policies.
In Proceedings of 11th ACM Symposium in Access Control Models and
Technologies, pages 111–120, 2006.
(doi:10.1145/1133058.1133075)
- Jason Crampton,
Keith Martin, and Peter Wild.
On key assignment for hierarchical access control.
In Proceedings of 19th IEEE Computer Security Foundations
Workshop, pages 98–111, 2006.
(doi:10.1109/CSFW.2006.20)
- J. Crampton.
A reference monitor for workflow systems with constrained task execution.
In Proceedings of the 10th ACM Symposium on Access Control Models and
Technologies, pages 38–47, 2005.
(doi:10.1145/1063979.1063986)
- Jason Crampton.
Understanding and developing role-based administrative models.
In Proceedings of the 12th ACM Conference on Computer and Communications
Security, pages 158–167, 2005.
(doi:10.1145/1102120.1102143)
- Jason
Crampton and Hemanth Khambhammettu.
Data structures for constraint enforcement in role-based systems.
In Proceedings of the 2005 IASTED Conference on Network and Information
Security, pages 158–167, 2005.
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- S. Swift, A. Shi,
J. Crampton, and A. Tucker.
ICARUS: Intelligent coupon allocation for retailers using search.
In Proceedings of 2005 IEEE Congress on Evolutionary Computation,
pages 182–189, 2005.
(doi:10.1109/CEC.2005.1554683)
- J. Crampton.
An algebraic approach to the analysis of constrained workflow systems.
In Proceedings of 3rd Workshop on Foundations of Computer Security
(FCS'04), pages 61–74, 2004.
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- J. Crampton.
Applying hierarchial and role-based access control to XML documents.
In Proceedings of 2004 ACM Workshop on Secure Web Services, pages
37–46, 2004.
(doi:10.1145/1111348.1111353)
- K. Tan, J. Crampton,
and C. Gunter.
The consistency of task-based authorization constraints in workflow systems.
In Proceedings of 17th IEEE Computer Security Foundations
Workshop, pages 155–169, 2004.
(doi:10.1109/CSFW.2004.1310739)
- J. Crampton.
On permissions, inheritance and role hierarchies.
In Proceedings of the 10th ACM Conference on Computer and Communications
Security, pages 85–92, 2003.
(doi:10.1145/948109.948123)
- J. Crampton.
Specifying and enforcing constraints in role-based access control.
In Proceedings of 8th ACM Symposium on Access Control Models and
Technologies, pages 43–50, 2003.
(doi:10.1145/775412.775419)
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Access control in a distributed object environment using XML and roles.
In Proceedings of 3rd Annual Information Security South Africa Conference
(ISSA 2003), pages 75–88, 2003.
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- J. Crampton and H. Khambhammettu.
Authorization and certificates: Are we pushing when we should be pulling?
In Proceedings of IASTED Conference on Network and Information
Security, pages 62–66, 2003.
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and G. Loizou.
Administrative scope and hierarchy operations.
In Proceedings of 7th ACM Symposium on Access Control Models and
Technologies, pages 145–154, 2002.
(doi:10.1145/507711.507736)
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M. Huth.
Towards an access-control framework for countering insider threats.
In M. Bishop, D. Gollmann, J. Hunker, and C. Probst, editors, Insider
Threats in Cybersecurity – And Beyond, pages 173–196. Springer,
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An access control framework for WS-BPEL processes.
In L.-J. Zhang, editor, Web Services Research for Emerging Applications:
Discoveries and Trends, pages 492–515. Information Science
Publishing, 2009.
- E. Bertino
and J. Crampton.
Security for distributed systems: Foundations of access control.
In Y. Qian, D. Tipper, P. Krishnamurthy, and J. Joshi, editors,
Information Assurance: Survivability and Security in Networked
Systems, pages 39–80. Morgan Kaufman, 2007.
- J. Crampton, K.G.
Paterson, F. Piper, and M. Robshaw.
Information security.
In Handbook of Security, pages 358–379. Perpetuity Press, 2006.
- J. Crampton.
On the satisfiability of authorization constraints in workflow systems.
Technical Report RHUL–MA–2004–1, Department of Mathematics, Royal Holloway,
University of London, 2004.
(PDF)
- J. Crampton.
Authorization and antichains.
PhD thesis, Birkbeck, University of London, London, England, 2002.
(PDF)
- J. Crampton
and G. Loizou.
SARBAC: A new model for role-based administration.
Technical Report BBKCS-02-09, Birkbeck College, University of London, 2002.
(PDF)
- J. Crampton
and G. Loizou.
Conflict of interest policies: A general approach.
Technical Report BBKCS-00-07, Birkbeck College, University of London, 2000.
(PDF)
- J. Crampton
and G. Loizou.
Structural complexity of conflict of interest policies.
Technical Report BBKCS-00-13, Birkbeck College, University of London, 2000.
(PDF)
- J. Crampton
and G. Loizou.
Two partial orders on the set of antichains.
Technical Report BBKCS-00-05, Birkbeck College, University of London, 2000.
(PDF)
- J. Crampton,
G. Loizou, and G. O'Shea.
Evaluating and improving access control.
Technical Report BBKCS-99-11, Birkbeck College, University of London, United
Kingdom, 1999.
(PDF)