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ICISC
2000
13 years 6 months ago
2000
In this paper we consider the optimistic approach of the non-repudiation protocols. We study a non-repudiation protocol with off-line trusted third party and we keep on with the de...
ICISC
2000
13 years 6 months ago
2000
Abstract. Electronic payment systems for wireless devices need to take into account the limited computational and storage ability of such devices. Micropayment schemes seem well su...
ICISC
2000
13 years 6 months ago
2000
Abstract. This paper gives new examples that exploit the idea of using sparse polynomials with restricted coefficients over a finite ring for designing fast, reliable cryptosystems...
ICICS
2003
Springer
13 years 10 months ago
2003
Springer
A group signature scheme allows a group member of a given group to sign messages on behalf of the group in an anonymous and unlinkable fashion. In case of a dispute, however, a des...