CONTROL MODELS WITH TEMPORAL AND
SPATIOTEMPORAL CONSTRAINTS
Samrat Mondal
SECURITY ANALYSIS OF ROLE BASED ACCESS
CONTROL MODELS WITH TEMPORAL AND
SPATIOTEMPORAL CONSTRAINTS
Thesis submitted to
Indian Institute of Technology, Kharagpur
For award of the degree of Doctor of Philosophy by Samrat Mondal
Under the guidance of
Dr. Shamik Sural
SCHOOL OF INFORMATION TECHNOLOGY
INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR
AUGUST 2009 c 2009, Samrat Mondal. All rights reserved.
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Dr. Shamik
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CERTIFICATE
This is to certify that the thesisentitled Security Analysis of Role Based Access
Control Models with Temporal and Spatiotemporal Constraints, submitted Samby rat Mondal to Indian Institute of Technology,
Kharagpur,is a record of bona fide researchwork under my supervision and I consider it worthy of considerationfor the awardof the degreeof Doctor of Philosophyof the Institute.
Dr. Shamik Sural
Associate
Professor
Schoolof InformationTechnology
Indian Institute of Technology,Kharagpur
Kharagpur- 721 302,India
D a t e :1 1- g 2 o o 1
(Officel,282331,220259
Phone: (032221-282330
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:
shamik@iitkgp.ac.in
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Acknowledgments
This thesis marks the end of a very long story and I cannot express how difficult it is to fit words of thankfulness for so many people I am indebted to. First and foremost,
I would extend my heartfelt gratitude to my PhD supervisor Dr. Shamik Sural. He has always been the guiding star whenever I was lost. He is very approachable person and has taken care of any problem whenever I got any issue. I consider myself fortunate for having such advisor.
My special gratitude goes to Prof. Vijayalakshmi Atluri of