Elements of information theory
Elements of information theory
Randomness in distribution protocols
Information and Computation
On Some Methods for Unconditionally Secure Key Distributionand Broadcast Encryption
Designs, Codes and Cryptography - Special issue: selected areas in cryptography I
Communications of the ACM
Using encryption for authentication in large networks of computers
Communications of the ACM
Distributed Pseudo-random functions and KDCs
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
INDOCRYPT '02 Proceedings of the Third International Conference on Cryptology: Progress in Cryptology
On Unconditionally Secure Robust Distributed Key Distribution Centers
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
A ramp model for distributed key distribution schemes
Discrete Applied Mathematics - Special issue: International workshop on coding and cryptography (WCC 2001)
A unified model for unconditionally secure key distribution
Journal of Computer Security
A secure multiple-agent cryptographic key recovery system
IRI'09 Proceedings of the 10th IEEE international conference on Information Reuse & Integration
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A Key Distribution Center of a network is a server who generates and distributes secret keys used by groups of users to securely communicate. A Distributed Key Distribution Center is a set of servers that jointly realizes a Key Distribution Center. In this paper we study Distributed Key Distribution Centers, pointing out the advantages of this approach to Key Distribution. We propose an information theoretic model of Distributed Key Distribution Center, and present bounds holding on the model. Moreover, we show that a protocol described in [5], which uses Shamir's secret sharing schemes, meets the bounds and is, hence, optimal with respect to information storage, communication complexity, and randomness as well.