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» On the Security of Yuan et al.'s Undeniable Signature Scheme
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IJNSEC
2010
100views more  IJNSEC 2010»
13 years 12 days ago
On the Security of Yuan et al.'s Undeniable Signature Scheme
Undeniable signatures were proposed to limit the public verification property of ordinary digital signature. In fact, the verification of such signatures cannot be obtained withou...
Wei Zhao
AMC
2005
158views more  AMC 2005»
13 years 5 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
IJNSEC
2007
130views more  IJNSEC 2007»
13 years 5 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...
ACNS
2007
Springer
129views Cryptology» more  ACNS 2007»
13 years 11 months ago
Gradually Convertible Undeniable Signatures
In 1990, Boyar, Chaum, Damg˚ard 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