Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
Communication complexity of group key distribution
CCS '98 Proceedings of the 5th ACM conference on Computer and communications security
Authenticated group key agreement and friends
CCS '98 Proceedings of the 5th 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
On Key Agreement and Conference Key Agreement
ACISP '97 Proceedings of the Second Australasian Conference on Information Security and Privacy
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
Digital Signcryption or How to Achieve Cost(Signature & Encryption)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
On the Security of Joint Signature and Encryption
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Efficient and Secure Conference-Key Distribution
Proceedings of the International Workshop on Security Protocols
An Identity-Based Signature from Gap Diffie-Hellman Groups
PKC '03 Proceedings of the 6th International Workshop on Theory and Practice in Public Key Cryptography: Public Key Cryptography
Round-Optimal Contributory Conference Key Agreement
PKC '03 Proceedings of the 6th International Workshop on Theory and Practice in Public Key Cryptography: Public Key Cryptography
Tree-based group key agreement
ACM Transactions on Information and System Security (TISSEC)
ID-Based Authenticated Group Key Agreement Secure against Insider Attacks
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
An Efficient Identity-Based Signcryption Scheme for Multiple Receivers
IWSEC '09 Proceedings of the 4th International Workshop on Security: Advances in Information and Computer Security
New DSA-verifiable signcryption schemes
ICISC'02 Proceedings of the 5th international conference on Information security and cryptology
A pairing-free identity-based authenticated key agreement protocol with minimal message exchanges
Information Sciences: an International Journal
Information Sciences: an International Journal
Provably secure one-round identity-based authenticated asymmetric group key agreement protocol
Information Sciences: an International Journal
Efficient and provably-secure identity-based signatures and signcryption from bilinear maps
ASIACRYPT'05 Proceedings of the 11th international conference on Theory and Application of Cryptology and Information Security
Improved identity-based signcryption
PKC'05 Proceedings of the 8th international conference on Theory and Practice in Public Key Cryptography
Efficient identity-based signcryption scheme for multiple receivers
ATC'07 Proceedings of the 4th international conference on Autonomic and Trusted Computing
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In this paper, we propose a new authenticated group key agreement protocol that uses identity-based signcryption to achieve the optimal communication complexity of a single broadcast message per member in a single round of communication, set by Becker and Wille. Our protocol is provably secure in the random oracle model, provided that the signcryption scheme is secure. By choosing a signcryption scheme that satisfies some additional criteria, our protocol provides key integrity in an efficient manner.