NDLI: An embedded cryptosystem for digital broadcasting

Content Provider	IEEE Xplore Digital Library
Author	Sundaram, G.S. Sista, S.
Copyright Year	1997
Description	Author affiliation: Dept. of Math., Purdue Univ., West Lafayette, IN, USA (Sundaram, G.S.)
Abstract	Current day multimedia systems require secure, reliable and fast data transfer. Conventional cryptographic systems attempt to encrypt the entire data directly, thereby requiring significant computation and noise free channels. This makes existing methods less attractive for real time broadcasting. Spread spectrum techniques offer good noise immunity over multiple access channels. We propose a new scheme that embeds a public key cryptosystem inside a spread spectrum framework to achieve security and noise immunity suitable for real time applications. Further, the encryption complexity of our scheme is independent of the volume of data broadcast since the data is not encrypted directly. We also introduce a novel multilevel spreading technique which overcomes the security limitations of bipolar spreading and provides a means of countering the effects of channel noise.
Starting Page	401
Ending Page	405
File Size	579327
Page Count	5
File Format	PDF
ISBN	0780337778
ISSN	10918442
DOI	10.1109/ICUPC.1997.627195
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Public key cryptography Public key Spread spectrum communication Data security Real time systems Multimedia communication Decoding Digital audio broadcasting Mathematics Sun
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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