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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
COMCOM
1999
91views more  COMCOM 1999»
13 years 5 months ago
Group-oriented undeniable signature schemes with a trusted center
Undeniable signature is an intriguing concept introduced by Chaum and Antwerpen at Crypto'89. In 1999, Lee and Hwang presented two group-oriented undeniable signature schemes ...
Narn-Yih Lee, Tzonelih Hwang
ISCI
2008
160views more  ISCI 2008»
13 years 5 months ago
Certificateless undeniable signature scheme
In this paper, we present the first certificateless undeniable signature scheme. The scheme does not suffer from the key escrow problem, which is inherent in identity based crypto...
Shanshan Duan
ISPEC
2010
Springer
13 years 7 months ago
An Efficient Convertible Undeniable Signature Scheme with Delegatable Verification
Abstract. Undeniable signatures, introduced by Chaum and van Antwerpen, require a verifier to interact with the signer to verify a signature, and hence allow the signer to control ...
Jacob C. N. Schuldt, Kanta Matsuura
ASIACRYPT
2006
Springer
13 years 9 months ago
New Approach for Selectively Convertible Undeniable Signature Schemes
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
Kaoru Kurosawa, Tsuyoshi Takagi
CTRSA
2005
Springer
121views Cryptology» more  CTRSA 2005»
13 years 11 months ago
Time-Selective Convertible Undeniable Signatures
Undeniable signatures were introduced in 1989 by Chaum and van Antwerpen to limit the self-authenticating property of digital signatures. An extended concept – the convertible un...
Fabien Laguillaumie, Damien Vergnaud