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IJNSEC
2007
130views more  IJNSEC 2007»
9 years 11 months ago
An Attack on Libert et al.' s ID-based Undeniable Signature Scheme
In 2004, Libert and Quisquater proposed an identity based undeniable signature scheme using pairings over elliptic curves. In this article, we show that the scheme is not secure. ...
Zichen Li, C. F. Chong, Lucas Chi Kwong Hui, Siu-M...
AMC
2005
158views more  AMC 2005»
9 years 11 months ago
Attack on Han et al.'s ID-based confirmer (undeniable) signature at ACM-EC'03
At the fourth ACM conference on electronic commerce (EC'03), S. Han, K.Y. Yeung and J. Wang proposed an ID-based confirmer signature scheme using pairings (actually, this is a...
Fangguo Zhang, Reihaneh Safavi-Naini, Willy Susilo
ACNS
2007
Springer
129views Cryptology» more  ACNS 2007»
10 years 5 months ago
Gradually Convertible Undeniable Signatures
In 1990, Boyar, Chaum, DamgËšard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
Laila El Aimani, Damien Vergnaud
IJNSEC
2006
113views more  IJNSEC 2006»
9 years 11 months ago
An Identity-based Mediated Signature Scheme from Bilinear Pairing
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...
Xiangguo Cheng, Lifeng Guo, Xinmei Wang
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