NDLI: Attribute-based broadcast encryption scheme for lightweight devices

Content Provider	IET Digital Library
Author	Canard, Sébastien Phan, Duong Hieu Trinh, Viet Cuong
Abstract	Lightweight devices, such as a smartcard associated with a top-box decoder in pay-TV or a SIM card coupled with a powerful (but not totally trusted) smartphone, play an important role in modern applications. The essential requirements for a cryptographic scheme to be truly implemented in lightweight devices are that it should have compact secret key size and support fast decryption. Attribute-based broadcast encryption (ABBE) combines the functionalities of both broadcast encryption and attribute-based encryption in an efficient way, ABBE is therefore a promising cryptographic scheme to be used in practical applications such as mobile pay-TV, satellite transmission, or Internet of Things. Designing an ABBE scheme which can be truly implemented in lightweight devices is still an open question. In this study, the authors solve it by proposing an efficient constant-size private key ciphertext-policy ABBE scheme for disjunctive normal form supporting fast decryption and achieving standard security levels of an ABBE scheme. They concretely show that the authors’ scheme can be truly implemented in a prototype for a smartphone-based cloud storage use case. In particular, they show how to alleviate some parts of their scheme so as to obtain a very practical system, and they give some concrete benchmarks.
Starting Page	52
Ending Page	59
Page Count	8
ISSN	17518709
Volume Number	12
e-ISSN	17518717
Issue Number	Issue 1, Jan (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ifs/12/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ifs.2017.0157
Journal	IET Information Security
Publisher Date	2017-08-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Attribute-based Broadcast Encryption Scheme Cloud Computing Compact Secret Key Size Constant-size Private Key Ciphertext-policy ABBE Scheme Cryptographic Scheme Cryptography Data Security Decryption Disjunctive Normal Form File Organisation Information Network Lightweight Device Pervasive Computing Smart Phones Smartphone-based Cloud Storage Use Case Standard Security Levels Storage Management Ubiquitous
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Software

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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