: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Key agreement (KA) allows two or more users to negotiate a secret session key among them over an open network. Authenticated key agreement (AKA) is a KA protocol enhanced to preve...
Lei Zhang 0009, Futai Zhang, Qianhong Wu, Josep Do...
The Domain Name System (DNS) is a distributed database that allows convenient storing and retrieving of resource records. DNS has been extended to provide security services (DNSSE...
A fundamental question in cryptography deals with understanding the role that randomness plays in cryptographic protocols and to what extent it is necessary. One particular line o...
Yi Deng, Dengguo Feng, Vipul Goyal, Dongdai Lin, A...
Abstract. In order to increase the security for authenticated key exchange protocols, various authentication means can be used together. In this paper, we introduce a security mode...