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The past decade has witnessed a surge in exploration of cryptographic concepts based on pairings over Elliptic Curves. In particular, identity-based cryptographic protocols have received a lot of attention, motivated mainly by the desire to eliminate the need for large-scale public key infrastructure. The authors follow this trend in this paper, by introducing a new Identity-Based Authenticated Key Exchange (IBAKE) protocol, and providing its formal proof of security. IBAKE provides mutually-Authenticated Key Exchange (AKE) using identities as public credentials.
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