18 search results - page 1 / 4 » An optimistic fair exchange protocol and its security in the... |
IJACT
2008
13 years 4 months ago
2008
: Fair exchange protocols allow both or neither of two parties to obtain the other's items, and this property is essential in e-commerce. In this paper, we construct an optimi...
CCS
2009
ACM
14 years 5 months ago
2009
ACM
We treat the security of group key exchange (GKE) in the universal composability (UC) framework. Analyzing GKE protocols in the UC framework naturally addresses attacks by maliciou...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
Recently, a universally composable framework for RFID authentication protocols providing availability, anonymity, and authenticity was proposed. In this paper we extend that frame...
EUROCRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We propose and realize a definition of security for passwordbased key exchange within the framework of universally composable (UC) security, thus providing security guar...
JOC
2011
12 years 11 months ago
2011
In light of the growing complexity of cryptographic protocols and applications, it becomes highly desirable to mechanize — and eventually automate — the security analysis of p...