106 search results - page 13 / 22 » Cryptanalysis of Koyama Scheme |
PKC
2005
Springer
14 years 3 months ago
2005
Springer
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...
EUROCRYPT
2000
Springer
14 years 1 months ago
2000
Springer
Abstract. ISO 9796-1, published in 1991, was the first standard specifying a digital signature scheme with message recovery. In [4], Coron, Naccache and Stern described an attack o...
IJNSEC
2008
13 years 9 months ago
2008
The notion of rational exchange introduced by Syverson in 1998 is a particularly interesting alternative when an efficient scheme for fair exchange is required but the existence o...
EUROCRYPT
2006
Springer
14 years 1 months ago
2006
Springer
Abstract. Lattice-based signature schemes following the GoldreichGoldwasser-Halevi (GGH) design have the unusual property that each signature leaks information on the signer's...
EUROCRYPT
2001
Springer
14 years 2 months ago
2001
Springer
In this paper we consider the security of block ciphers which contain alternate layers of invertible S-boxes and affine mappings (there are many popular cryptosystems which use thi...