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WEWORC
2007
132views Cryptology» more  WEWORC 2007»
14 years 11 months ago
Towards a Concrete Security Proof of Courtois, Finiasz and Sendrier Signature Scheme
Abstract. Courtois, Finiasz and Sendrier proposed in 2001 a practical code-based signature scheme. We give a rigorous security analysis of a modified version of this scheme in the...
Léonard Dallot
IJNSEC
2008
122views more  IJNSEC 2008»
14 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»
14 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»
15 years 3 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
97
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FC
2006
Springer
153views Cryptology» more  FC 2006»
15 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