84 search results - page 12 / 17 » Directed Transitive Signature Scheme |
CP
2006
Springer
14 years 1 months ago
2006
Springer
Abstract. In this paper, we investigate how an IA network can be effectively encoded into the SAT domain. We propose two basic approaches to modelling an IA network as a CSP: one r...
ECWEB
2007
Springer
14 years 1 months ago
2007
Springer
A significant number of mobile payment systems have been proposed in recent years, most of them based on a scenario where all the entities are directly connected one to another (fo...
TCC
2005
Springer
14 years 3 months ago
2005
Springer
We address the problem of using untrusted (potentially malicious) cryptographic helpers. We provide a formal security definition for securely outsourcing computations from a comp...
EUROPKI
2009
Springer
13 years 7 months ago
2009
Springer
Efficient zero-knowledge proofs of knowledge (ZK-PoK) are basic building blocks of many cryptographic applications such as identification schemes, group signatures, and secure mult...
ACSC
2007
IEEE
14 years 4 months ago
2007
IEEE
In this paper we shall introduce a new electronic payment concept based on the popular direct debit payment model, entitled periodical payments. The direct debit model currently i...