This paper describes TAPI, an offline scheme intended for general Internet-based micropayments. TAPI, which extends and combines concepts from the KeyNote Microchecks and OTPCoins...
Matt Blaze, John Ioannidis, Sotiris Ioannidis, Ang...
In this paper we discuss the main challenges faced by electronic government initiatives. First, the components of and the demand for electronic government services are identified. ...
Advancement in wireless infrastructure for data access through third generation wireless and wi-fi technologies makes it possible to use mobile devices for various activities and ...
— This paper proposes an authentication approach to support multi-clients in using a multi-application based environment. The approach is primarily based on the public key infras...
It is well-known that CA plays the central role in PKI. In this paper we introduce a new component into PKI, DA (decryption authority), which decrypts important and sensitive mess...