Entity authentication and key distribution
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Provably secure session key distribution: the three party case
STOC '95 Proceedings of the twenty-seventh annual ACM symposium on Theory of computing
STOC '98 Proceedings of the thirtieth annual ACM symposium on Theory of computing
Handbook of Applied Cryptography
Handbook of Applied Cryptography
Authenticated key exchange secure against dictionary attacks
EUROCRYPT'00 Proceedings of the 19th 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
ACISP'05 Proceedings of the 10th Australasian conference on Information Security and Privacy
SCN'04 Proceedings of the 4th international conference on Security in Communication Networks
Ideal key derivation and encryption in simulation-based security
CT-RSA'11 Proceedings of the 11th international conference on Topics in cryptology: CT-RSA 2011
Proceedings of the 6th ACM Symposium on Information, Computer and Communications Security
Composition theorems without pre-established session identifiers
Proceedings of the 18th ACM conference on Computer and communications security
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In this paper, we investigate the notion of partnership as found in security models for key exchange protocols. Several different approaches have been pursued to define partnership, with varying degrees of success. We aim to provide an overview and criticism of the various definitions and point out some pitfalls that can be encountered when trying to define partnership. As a result, we propose an intuitive way of defining partnership directly from equality of session keys. In addition, we show that authentication can be captured using a definition of partnership by equality of partner identifiers, and give proofs that both definitions achieve what we expect from them.