NDLI: A distributed implementation of the extended schematic protection model

Content Provider	IEEE Xplore Digital Library
Author	Ammann, P. Sandhu, R.S. Suri, G.S.
Copyright Year	1991
Description	Author affiliation: Dept. of Inf. & Software Syst. Eng., George Mason Univ., Fairfax, VA, USA (Ammann, P.; Sandhu, R.S.; Suri, G.S.)
Abstract	Protection models provide a formalism for specifying control over access to information and other resources in a multi-user computer system. One such model, the extended schematic protection model (ESPM) has expressive power equivalent to the monotonic access matrix model of Harrison, Ruzzo, and Ullman (1976). Yet ESPM retains tractable safety analysis for many cases of practical interest. Thus ESPM is a very general model, and it is of interest whether ESPM can be implemented in a reasonable manner. The authors outline a distributed implementation for ESPM. The implementation is capability-based, with an architecture where servers act as mediators to all subject and object access. Capabilities are made nontransferable by burying the identity of subjects in them, and unforgeable by using a public key encryption algorithm. Timestamps and public keys are used as mechanisms for revocation.<>
Starting Page	152
Ending Page	164
File Size	782022
Page Count	13
File Format	PDF
ISBN	0818622806
DOI	10.1109/CSAC.1991.213009
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-12-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Safety Scanning probe microscopy Power system modeling Public key Power system protection Access control Information security Information systems Software systems Power engineering and energy
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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