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IJNSEC
2008
122views more  IJNSEC 2008»
13 years 9 months ago
A Zero-knowledge Undeniable Signature Scheme in Non-abelian Group Setting
Recently non-abelian groups have attracted the attention of cryptographers for constructing public-key cryptographic protocols. In this paper we use the conjugacy problem in non-a...
Tony Thomas, Arbind K. Lal
INFORMATICALT
2010
103views more  INFORMATICALT 2010»
13 years 7 months ago
Delegatability of an Identity Based Strong Designated Verifier Signature Scheme
In 2007, Kancharla et al. proposed an identity-based strong designated verifier signature (IBSDVS) scheme based on bilinear pairings, and claimed it unforgeable and non-delegatable...
Xun Sun, Jianhua Li, Hu Yin, Gongliang Chen
WAIFI
2007
Springer
110views Mathematics» more  WAIFI 2007»
14 years 4 months ago
On Kabatianskii-Krouk-Smeets Signatures
Kabastianskii, Krouk and Smeets proposed in 1997 a digital signature scheme based on random error-correcting codes. In this paper we investigate the security and the efficiency of ...
Pierre-Louis Cayrel, Ayoub Otmani, Damien Vergnaud
FC
2006
Springer
153views Cryptology» more  FC 2006»
14 years 1 months ago
Revisiting Oblivious Signature-Based Envelopes
Secure, anonymous and unobservable communication is becoming increasingly important due to the gradual erosion of privacy in many aspects of everyday life. This prompts the need f...
Samad Nasserian, Gene Tsudik
SIGOPS
2002
69views more  SIGOPS 2002»
13 years 9 months ago
On the value of threshold signatures
Threshold signature schemes are examples of threshold cryptosystems, as introduced by Desmedt, [4]. The purpose of this paper is to present a rather simple alternative to threshol...
Niklas Borselius, Chris J. Mitchell, Aaron Wilson