NDLI: Policy-hiding access control in open environment

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Policy-hiding access control in open environment

Content Provider	ACM Digital Library
Author	Li, Ninghui Li, Jiangtao
Abstract	In trust management and attribute-based access control systems, access control decisions are based on the attributes (rather than the identity) of the requester: Access is granted if Alice's attributes in her certificates satisfy Bob's access control policy. In this paper, we develop a policy-hiding access control scheme that protects both sensitive attributes and sensitive policies. That is, Bob can decide whether Alice's certified attribute values satisfy Bob's policy, without Bob learning any other information about Alice's attribute values or Alice learning Bob's policy. To enable policy-hiding access control, we introduce the notion of certified input private policy evaluation. Our construction uses Yao's scrambled circuit protocol and two new techniques introduced in this paper. One novel technique is constructing circuits with uniform topology that can compute arbitrary functions in a family. The other technique is committed-integer based oblivious transfer.
Starting Page	29
Ending Page	38
Page Count	10
File Format	PDF
ISBN	1581139942
DOI	10.1145/1073814.1073819
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2005-07-17
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Access control Cryptographic protocol Evaluation Privacy Cryptographic commitment Digital credentials Automated trust negotiation Secure function
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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