17 search results - page 1 / 4 » A Privacy-Friendly Loyalty System Based on Discrete Logarith... |
FC
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Systems for the support of customer relationship management are becoming increasingly attractive for vendors. Loyalty systems provide an interesting possibility for vendo...
CORR
2006
Springer
13 years 4 months ago
2006
Springer
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...
ANTS
2000
Springer
13 years 9 months ago
2000
Springer
Abstract. Essentially all subexponential time algorithms for the discrete logarithm problem over nite elds are based on the index calculus idea. In proposing cryptosystems based on...
ISAAC
2004
Springer
13 years 10 months ago
2004
Springer
It has been suggested that a major obstacle in finding an index calculus attack on the elliptic curve discrete logarithm problem lies in the difficulty of lifting points from elli...
ASIACRYPT
2000
Springer
13 years 9 months ago
2000
Springer
This paper introduces three new probabilistic encryption schemes using elliptic curves over rings. The cryptosystems are based on three specific trapdoor mechanisms allowing the r...