NDLI: Distributed Private-Key Generation Scheme with Self-Certified Identity

Content Provider	IEEE Xplore Digital Library
Author	Yongming Xie Guojun Wang
Copyright Year	2011
Abstract	In an identity-based encryption (IBE) system, a private-key generator (PKG) is assumed to be credible, which takes charge of identity authentication and private-key issuing for users. However, the reliability of IBE may be questioned since this assumption does not always hold. In this paper, we propose a new distributed private-key generation scheme with self-certified identity (SCI-DKG) which does not need any PKG. SCI-DKG takes advantage of distributed private key generation and self certification to remove PKG from IBE. Comparing with the existing IBE schemes, a user and his identity can be independently authenticated through his blind digital ID (BDID) card and identity signature. In the meanwhile, a user can extract private keys from other users' sharing packets containing secret shares, partial public parameters and BDID cards. The proposed scheme significantly extends IBE without involvement of PKGs, and provides a promising solution for applications where PKG is not always available. Theoretical analysis demonstrates that our scheme is secure and effective.
Starting Page	501
Ending Page	508
File Size	240945
Page Count	8
File Format	PDF
ISBN	9781457721359
DOI	10.1109/TrustCom.2011.65
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Privacy DKG Protocols BDID Card Authentication Public key cryptography Encryption Self-Certified Identity IBE
Content Type	Text
Resource Type	Article

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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
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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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