An optimal class of symmetric key generation systems
Proc. of the EUROCRYPT 84 workshop on Advances in cryptology: theory and application of cryptographic techniques
A new threshold scheme and its application in designing the conference key distribution cryptosystem
Information Processing Letters
A secure audio teleconference system
CRYPTO '88 Proceedings on Advances in cryptology
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Diffie-Hellman key distribution extended to group communication
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
Communications of the ACM
Provably authenticated group Diffie-Hellman key exchange
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
A Secure Fault-Tolerant Conference-Key Agreement Protocol
IEEE Transactions on Computers
On Key Agreement and Conference Key Agreement
ACISP '97 Proceedings of the Second Australasian Conference on Information Security and Privacy
Conference Key Agreement from Secret Sharing
ACISP '99 Proceedings of the 4th Australasian Conference on Information Security and Privacy
Perfectly-Secure Key Distribution for Dynamic Conferences
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Key Establishment in Large Dynamic Groups Using One-Way Function Trees
IEEE Transactions on Software Engineering
Generation of key predistribution schemes using secret sharing schemes
Discrete Applied Mathematics - Special issue: International workshop on coding and cryptography (WCC 2001)
ELK, a New Protocol for Efficient Large-Group Key Distribution
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
Combinatorial Optimization of Group Key Management
Journal of Network and Systems Management
Provably secure authenticated group Diffie-Hellman key exchange
ACM Transactions on Information and System Security (TISSEC)
A conference key agreement protocol with fault-tolerant capability
Computer Standards & Interfaces
Conference key agreement protocol with non-interactive fault-tolerance over broadcast network
International Journal of Information Security
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
Authenticated Group Key Transfer Protocol Based on Secret Sharing
IEEE Transactions on Computers
A novel linear multi-secret sharing scheme for group communication in wireless mesh networks
Journal of Network and Computer Applications
A framework for robust group key agreement
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part III
Cryptanalysis of a group key transfer protocol based on secret sharing
FGIT'11 Proceedings of the Third international conference on Future Generation Information Technology
New directions in cryptography
IEEE Transactions on Information Theory
A conference key distribution system
IEEE Transactions on Information Theory
A public key cryptosystem and a signature scheme based on discrete logarithms
IEEE Transactions on Information Theory
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Group key transfer protocols depend on a mutually trusted key generation center (KGC) to generate group keys and transport group keys to all group members secretly. Generally, KGC encrypts group keys under another secret key shared with each user during registration. In this paper, we propose a novel secure authenticated group key transfer protocol using a linear secret sharing scheme (LSSS) and ElGamal cryptosystem, where KGC broadcasts group key information to all group members. The confidentiality of this transformation is guaranteed by this LSSS and ElGamal cryptosystem. We also provide authentication for transporting this group key. Goals and security threats of our protocol are analyzed in detail.