NDLI: Synchronization of Transactions to Prevent Illegal Information Flow in a Role-Based Access Control Model

Content Provider	IEEE Xplore Digital Library
Author	Enokido, T. Takizawa, M.
Copyright Year	2008
Description	Author affiliation: Rissho Univ., Tokyo (Enokido, T.)
Abstract	The role-based access control (RBAC) model is widely used to make information systems secure. Even if every access request is authorized in the roles, illegal information flow might occur as the well known confinement problem. In this paper, we discuss how to prevent illegal information flow to occur by synchronizing conflicting transactions in the RBAC model. We first define types of information flow relations, legal (LIF), illegal (IIF), and possibly illegal (PIF) ones $R_{1}$ = $R_{2},$ $R_{1}$ rarr $R_{2},$ and R1 rarr $R_{2}$ among a pair of role families R\ and Ri, respectively. Here, let $T_{1}$ and $T_{2}$ be a pair of transactions with role families $R_{1}$ and $R_{2}$ respectively. Suppose $T_{1}$ precedes $T_{2}$ in a schedule, i.e. for every pair of conflicting methods op\ and opi from T\ andT% respectively, op\ is performed prior to $op_{2}-$ Here, if the LIF relation $R_{1}$ = $R_{2}$ holds, no illegal information flow occur. If $R_{1}$ rarr $R_{2},$ illegal information flow necessarily occur. $R_{1}$ rarr $R_{2}$ implies that illegal information flow might occur depending on in which order the transactions perform what methods.
Starting Page	779
Ending Page	786
File Size	319741
Page Count	8
File Format	PDF
ISBN	9780769530956
ISSN	1550445X
DOI	10.1109/AINA.2008.145
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-25
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access control Permission Information systems Database systems Data security Information security Law Legal factors Protocols Confinement problem Information Flow Rrole-based access control
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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