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Insecurity of an Efficient Identity-Based Proxy Signature in the Standard Model.

Authors :
DEBIAO HE
MINGWU ZHANG
BAOWEN XU
Source :
Computer Journal. Oct2015, Vol. 58 Issue 10, p2507-2508. 2p.
Publication Year :
2015

Abstract

Recently, Gu et al. proposed an efficient identity-based proxy signature scheme and demonstrated their scheme was provably secure in the standard model. In this paper, we show their scheme is not secure against the malicious user through proposing three concrete attacks. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00104620
Volume :
58
Issue :
10
Database :
Academic Search Index
Journal :
Computer Journal
Publication Type :
Academic Journal
Accession number :
110012454
Full Text :
https://doi.org/10.1093/comjnl/bxu097