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» Cryptanalysis of the CFVZ cryptosystem
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CORR
2006
Springer
182views Education» more  CORR 2006»
13 years 11 months ago
Cryptanalysis of the CFVZ cryptosystem
The paper analyzes CFVZ, a new public key cryptosystem whose security is based on a matrix version of the discrete logarithm problem over an elliptic curve. It is shown that the co...
Joan-Josep Climent, E. Gorla, J. Rosenthal
PKC
2005
Springer
156views Cryptology» more  PKC 2005»
14 years 4 months ago
Cryptanalysis of HFEv and Internal Perturbation of HFE
Hidden field equation (HFE) multivariable cryptosystems were first suggested by Patarin. Kipnis and Shamir showed that to make the cryptosystem secure, a special parameter D of a...
Jintai Ding, Dieter Schmidt
INDOCRYPT
2005
Springer
14 years 4 months ago
Completion Attacks and Weak Keys of Oleshchuk's Public Key Cryptosystem
This paper revisits a public key cryptosystem which is based on finite string-rewriting systems. We consider a new approach for cryptanalysis of such proposals—the so-called com...
Heiko Stamer
PKC
2005
Springer
114views Cryptology» more  PKC 2005»
14 years 4 months ago
Cryptanalysis of the Tractable Rational Map Cryptosystem
In this paper, we present the cryptanalysis of a public key scheme based on a system of multivariate polynomial equations, the ”tractable rational map” cryptosystem. We show co...
Antoine Joux, Sébastien Kunz-Jacques, Fr&ea...