A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
Authentication and authenticated key exchanges
Designs, Codes and Cryptography
Random oracles are practical: a paradigm for designing efficient protocols
CCS '93 Proceedings of the 1st ACM conference on Computer and communications security
Refinement and extension of encrypted key exchange
ACM SIGOPS Operating Systems Review
Undetectable on-line password guessing attacks
ACM SIGOPS Operating Systems Review
OCB: a block-cipher mode of operation for efficient authenticated encryption
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
Provably authenticated group Diffie-Hellman key exchange
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
Three-party encrypted key exchange: attacks and a solution
ACM SIGOPS Operating Systems Review
SIAM Journal on Computing
Efficient Password-Authenticated Key Exchange Using Human-Memorable Passwords
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm
ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Unforgeable Encryption and Chosen Ciphertext Secure Modes of Operation
FSE '00 Proceedings of the 7th International Workshop on Fast Software Encryption
Authenticated key exchange secure against dictionary attacks
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Provably secure password-authenticated key exchange using Diffie-Hellman
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Password based key exchange with mutual authentication
SAC'04 Proceedings of the 11th international conference on Selected Areas in Cryptography
Password-Based authenticated key exchange in the three-party setting
PKC'05 Proceedings of the 8th international conference on Theory and Practice in Public Key Cryptography
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Agent technology is emerging as a new software paradigm in the areas of distributed computing. The use of multiple agents is a common technique in agent-based systems. In distributed agent systems, it is often required for two agents to communicate securely over a public network. Authentication and key exchange are fundamental for establishing secure communication channels over public insecure networks. Password-based protocols for authenticated key exchange are designed to work even when user authentication is done via the use of passwords drawn from a small known set of values. There have been many protocols proposed over the years for password authenticated key exchange in the three-party scenario, in which two agents attempt to establish a secret key interacting with one same authentication server. However, little has been done for password authenticated key exchange in the more general and realistic four-party setting, where two clients (or, two agents) trying to establish a secret key are registered with different authentication servers. In this paper, we propose a new protocol designed carefully for four-party password authenticated key exchange that requires each agent only to remember a password shared with its authentication server.