Yanfei Guo and Zhenfeng Zhang Authenticated key exchange with entities from different settings and varied groups Security and Communication Networks
In this paper, we present two authenticated key exchange protocols where one entity is certificate -based and the other is identity-based, and the parameters of both entities come from different groups. An extended authenticated key exchange security model is proposed to support multiple certification authorities and multiple key generation centers. Then, extensions to support forward secrecy and resistance to leakage of both ephemeral keys are provided.
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