An optimal class of symmetric key generation systems
Proc. of the EUROCRYPT 84 workshop on Advances in cryptology: theory and application of cryptographic techniques
Codes and cryptography
Key storage in secure networks
Discrete Applied Mathematics
A matrix key-distribution scheme
Journal of Cryptology
Geometric secret sharing schemes and their duals
Designs, Codes and Cryptography
Some constructions for key distribution patterns
Designs, Codes and Cryptography
Secret-key agreement without public-key
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
On Some Methods for Unconditionally Secure Key Distributionand Broadcast Encryption
Designs, Codes and Cryptography - Special issue: selected areas in cryptography I
Some New Results on Key Distribution Patterns and BroadcastEncryption
Designs, Codes and Cryptography
Communications of the ACM
New Combinatorial Bounds for Authentication Codes and KeyPredistribution Schemes
Designs, Codes and Cryptography
Randomness in Distributed Protocols
ICALP '94 Proceedings of the 21st International Colloquium on Automata, Languages and Programming
Perfectly-Secure Key Distribution for Dynamic Conferences
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Security of the Center in Key Distribution Schemes
ASIACRYPT '94 Proceedings of the 4th International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
Incidence Structures for Key Sharing (Extended Abstract)
ASIACRYPT '94 Proceedings of the 4th International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
A Broadcast Key Distribution Scheme Based on Block Designs
Proceedings of the 5th IMA Conference on Cryptography and Coding
Linear broadcast encryption schemes
Discrete Applied Mathematics - Special issue: International workshop on coding and cryptography (WCC 2001)
Improving the trade-off between storage and communication in broadcast encryption schemes
Discrete Applied Mathematics
Key Predistribution Schemes and One-Time Broadcast Encryption Schemes from Algebraic Geometry Codes
Cryptography and Coding '09 Proceedings of the 12th IMA International Conference on Cryptography and Coding
Linear threshold multisecret sharing schemes
ICITS'09 Proceedings of the 4th international conference on Information theoretic security
Tree-Based key distribution patterns
SAC'05 Proceedings of the 12th international conference on Selected Areas in Cryptography
Linear threshold multisecret sharing schemes
Information Processing Letters
Complete tree subset difference broadcast encryption scheme and its analysis
Designs, Codes and Cryptography
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In a key predistribution scheme, some secret information is distributed among a set of users. For a given family of privileged groups, this secret information must enable every user in a privileged group to compute a common key associated with that group. Besides, this common key must remain unknown to some specified coalitions of users outside the privileged group. We present in this paper a new model, based on linear algebraic techniques, for the design of key predistribution schemes that unifies all previous proposals. This new model provides a common mathematical formulation and a better understanding of key predistribution schemes. Two new families of key predistribution schemes that are obtained by using this model are presented. Those families provide, for some specification structures, schemes that have better information rates than the ones given in previous proposals or fit in situations that have not been considered before.