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» CORSAIR: A SMART Card for Public Key Cryptosystems
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EUROCRYPT
2007
Springer
13 years 9 months ago
Cryptanalysis of SFLASH with Slightly Modified Parameters
SFLASH is a signature scheme which belongs to a family of multivariate schemes proposed by Patarin et al. in 1998 [9]. The SFLASH scheme itself has been designed in 2001 [8] and ha...
Vivien Dubois, Pierre-Alain Fouque, Jacques Stern
CSI
2007
91views more  CSI 2007»
13 years 5 months ago
Implementing regular cash with blind fixed-value electronic coins
We propose a generic framework for the development of an off-line peer-to-peer electronic payment system with fixed-value electronic coins. The proposed scheme simulates the issua...
Dimitrios Lekkas, Diomidis Spinellis
IJNSEC
2010
324views more  IJNSEC 2010»
13 years 17 days ago
Computing the Modular Inverse of a Polynomial Function over GF(2P) Using Bit Wise Operation
Most public key crypto systems use finite field modulo arithmetic. This modulo arithmetic is applied on real numbers, binary values and polynomial functions. The computation cost ...
Rajaram Ramasamy, Amutha Prabakar Muniyandi
ASIACRYPT
2003
Springer
13 years 11 months ago
The Insecurity of Esign in Practical Implementations
Provable security usually makes the assumption that a source of perfectly random and secret data is available. However, in practical applications, and especially when smart cards a...
Pierre-Alain Fouque, Nick Howgrave-Graham, Gwena&e...
CCS
2008
ACM
13 years 7 months ago
Efficient attributes for anonymous credentials
We extend the Camenisch-Lysyanskaya anonymous credential system such that selective disclosure of attributes becomes highly efficient. The resulting system significantly improves ...
Jan Camenisch, Thomas Groß