A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
An identity-based key-exchange protocol
EUROCRYPT '89 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
Authentication and authenticated key exchanges
Designs, Codes and Cryptography
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
Authenticated group key agreement and friends
CCS '98 Proceedings of the 5th ACM conference on Computer and communications security
Simple and fault-tolerant key agreement for dynamic collaborative groups
Proceedings of the 7th 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
Foundations of Cryptography: Basic Tools
Foundations of Cryptography: Basic Tools
Handbook of Applied Cryptography
Handbook of Applied Cryptography
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
On the Risk of Opening Distributed Keys
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
Dynamic Group Diffie-Hellman Key Exchange under Standard Assumptions
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Protocols for Key Establishment and Authentication
Protocols for Key Establishment and Authentication
Modeling insider attacks on group key-exchange protocols
Proceedings of the 12th ACM conference on Computer and communications security
Secure group key establishment revisited
International Journal of Information Security
Examining indistinguishability-based proof models for key establishment 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
New directions in cryptography
IEEE Transactions on Information Theory
Securing group key exchange against strong corruptions
Proceedings of the 2008 ACM symposium on Information, computer and communications security
Securing group key exchange against strong corruptions and key registration attacks
International Journal of Applied Cryptography
Group Key Exchange Enabling On-Demand Derivation of Peer-to-Peer Keys
ACNS '09 Proceedings of the 7th International Conference on Applied Cryptography and Network Security
Fully Robust Tree-Diffie-Hellman Group Key Exchange
CANS '09 Proceedings of the 8th International Conference on Cryptology and Network Security
An efficient fault-tolerant group key agreement protocol
Computer Communications
On security models and compilers for group key exchange protocols
IWSEC'07 Proceedings of the Security 2nd international conference on Advances in information and computer security
An insider-resistant group key exchange protocol without signatures
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Modeling leakage of ephemeral secrets in tripartite/group key exchange
ICISC'09 Proceedings of the 12th international conference on Information security and cryptology
A deniable group key establishment protocol in the standard model
ISPEC'10 Proceedings of the 6th international conference on Information Security Practice and Experience
Flexible group key exchange with on-demand computation of subgroup keys
AFRICACRYPT'10 Proceedings of the Third international conference on Cryptology in Africa
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Group key exchange protocols allow their participants to compute a secret key which can be used to ensure security and privacy for various multiparty applications. The resulting group key should be computed through cooperation of all protocol participants such that none of them is trusted to have any advantage concerning the protocol's output. This trust relationship states the main difference between group key exchange and group key transport protocols. Obviously, misbehaving participants in group key exchange protocols may try to influence the resulting group key, thereby disrupting this trust relationship, and also causing further security threats. This paper analyzes the currently known security models for group key exchange protocols with respect to this kind of attacks by malicious participants and proposes an extended model to remove the identified limitations. Additionally, it proposes an efficient and provably secure generic solution, a compiler, to guarantee these additional security goals for group keys exchanged in the presence of malicious participants.