Entity authentication and key distribution
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Authenticated Diffie-Hellman Key Agreement Protocols
SAC '98 Proceedings of the Selected Areas in Cryptography
Key Agreement Protocols and Their Security Analysis
Proceedings of the 6th IMA International Conference on Cryptography and Coding
Validation of Elliptic Curve Public Keys
PKC '03 Proceedings of the 6th International Workshop on Theory and Practice in Public Key Cryptography: Public Key Cryptography
Obtaining a secure and efficient key agreement protocol from (H)MQV and NAXOS
Designs, Codes and Cryptography
Efficient One-Round Key Exchange in the Standard Model
ACISP '08 Proceedings of the 13th Australasian conference on Information Security and Privacy
Session key distribution using smart cards
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
Stronger security of authenticated key exchange
ProvSec'07 Proceedings of the 1st international conference on Provable security
Authenticated key exchange and key encapsulation in the standard model
ASIACRYPT'07 Proceedings of the Advances in Crypotology 13th international conference on Theory and application of cryptology and information security
On the importance of public-key validation in the MQV and HMQV key agreement protocols
INDOCRYPT'06 Proceedings of the 7th international conference on Cryptology in India
Modular security proofs for key agreement protocols
ASIACRYPT'05 Proceedings of the 11th international conference on Theory and Application of Cryptology and Information Security
HMQV: a high-performance secure diffie-hellman protocol
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Security analysis of KEA authenticated key exchange protocol
PKC'06 Proceedings of the 9th international conference on Theory and Practice of Public-Key Cryptography
Future Generation Computer Systems
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Constructing a secure key exchange protocol is one of the most challenging problems in information security. We propose a provably secure two-round two-party authenticated key exchange (2AKE) protocol based on the well-studied CDH assumption in eCK model to provide the strongest definition of security for key exchange protocol when using the matching session to define the partnership. The underlying hardness assumption (CDH assumption) of our protocol is weaker than these of four other provably secure 2AKE protocols in CK model or eCK model and the computational cost of our protocol is reasonable. We also present a three-round variant of our protocol to realize key conformation.