J Shanghai Jiaotong Univ Sci

Journal of Shanghai Jiaotong University(Science) >

2011 , Vol. 16 >Issue 5: 557 - 566

DOI: https://doi.org/10.1007/s12204-011-1187-3

Articles

Identity-Based Key-Insulated Proxy Signature Without Random Oracles

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  • (1. Department of Computer Science and Engineering, Shanghai Jiaotong
    University, Shanghai 200240, China; 2. School of Computer Engineering,
    Huaiyin Institute of Technology, Huai'an 223003, Jiangsu, China; 3. Shanghai
    Key Laboratory of Scalable Computing and System, Shanghai Jiaotong
    University, Shanghai 200240, China)

Received date: 2011-02-10

  Online published: 2011-10-20

Supported by

the National Natural Science Foundation of China of China (Nos. 60970111,60903189 and 60903020), the National High Technology Reaearch and Development Program (863) of Chia (No.2009AA01Z418), and the National Basic Research Program (973) of China (No. 2007CB311201)

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Abstract

Abstract:  In an identity based proxy signature (IBPS) scheme, a
designated proxy signer can generate the signature on behalf of an original
signer. Traditional IBPS schemes normally rely on the assumption that
private keys are kept perfectly secure. However, due to viruses, worms or
other break-ins allowed by operating-system holes, key exposure seems
inevitable. To minimize the damage caused by key exposure in IBPS, we
propose an identity-based key-insulated proxy signature (IBKIPS) scheme in
the standard model, i.e. without random oracles.

Key words： key-insulated; proxy signature; identity-based; standard
Model

Cite this article

CHEN Jian-hong (陈剑洪), LONG Yu (龙 宇), CHEN Ke-fei (陈克非), WANG Yong-tao (王永涛) . Identity-Based Key-Insulated Proxy Signature Without Random Oracles[J]. Journal of Shanghai Jiaotong University(Science), 2011 , 16(5) : 557 -566 . DOI: 10.1007/s12204-011-1187-3

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