17 search results - page 2 / 4 » Fair Electronic Cash Based on a Group Signature Scheme |
CARDIS
2004
Springer
13 years 10 months ago
2004
Springer
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
ASIACRYPT
2003
Springer
13 years 9 months ago
2003
Springer
A fair network payment protocol plays an important role in electronic commerce. The fairness concept in payments can be illustrated as that two parties (e.g. customers and merchant...
SP
2007
IEEE
13 years 11 months ago
2007
IEEE
An electronic cash (e-cash) scheme lets a user withdraw money from a bank and then spend it anonymously. E-cash can be used only if it can be securely and fairly exchanged for ele...
CSIE
2009
IEEE
14 years 2 days ago
2009
IEEE
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
FC
2001
Springer
13 years 9 months ago
2001
Springer
In this paper, we propose a new practical fair exchange protocol allowing the exchange of an electronic item against a signature. The protocol is based on the Guillou-Quisquater s...