Abstract. Some security problems can be often solved through authorization rather than authentication. Furthermore, certificate-based authorization approach can alleviate usual dr...
We designed a secure key registration system based on the proactive secret-sharing scheme. A user can register important data such as a session key to a distributed system in a (t...
The mifare Classic is a contactless smart card that is used extensively in access control for office buildings, payment systems for public transport, and other applications. We rev...
Flavio D. Garcia, Gerhard de Koning Gans, Ruben Mu...
Initiating and bootstrapping secure, yet low-cost, ad-hoc transactions is an important challenge that needs to be overcome if the promise of mobile and pervasive computing is to b...