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A provably secure construction of certificate-based encryption from certificateless encryption

Wu, Wei, Mu, Yi, Susilo, Willy, Huang, Xinyi and Xu, Li 2012, A provably secure construction of certificate-based encryption from certificateless encryption, Computer journal, vol. 55, no. 10, pp. 1157-1168, doi: 10.1093/comjnl/bxr130.

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Title A provably secure construction of certificate-based encryption from certificateless encryption
Author(s) Wu, Wei
Mu, Yi
Susilo, Willy
Huang, Xinyi
Xu, Li
Journal name Computer journal
Volume number 55
Issue number 10
Start page 1157
End page 1168
Total pages 12
Publisher Oxford University Press
Place of publication Oxford, Eng.
Publication date 2012
ISSN 0010-4620
1460-2067
Keyword(s) security
generic construction
public key encryption
Summary Certificate-based encryption (CBE) and certificateless encryption (CLE) are proposed to lessen the certificate management problem in a traditional public-key encryption setting. Although they are two different notions, CBE and CLE are closely related and possess several common features. The encryption in CBE and CLE does not require authenticity verification of the recipient's public key. The decryption in both notions requires two secrets that are generated by the third party and the public key owner, respectively. Recently a generic conversion from CLE to CBE was given, but unfortunately its security proof is flawed. This paper provides an elaborate security model of CBE, based on which a provably secure generic construction of CBE from CLE is proposed. A concrete instantiation is also presented to demonstrate the application of our generic construction.
Language eng
DOI 10.1093/comjnl/bxr130
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, Oxford University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30064492

Document type: Journal Article
Collection: School of Information Technology
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