An optimal class of symmetric key generation systems
Proc. of the EUROCRYPT 84 workshop on Advances in cryptology: theory and application of cryptographic techniques
Applied cryptography (2nd ed.): protocols, algorithms, and source code in C
Applied cryptography (2nd ed.): protocols, algorithms, and source code in C
Understanding PKI: Concepts, Standards, and Deployment Considerations
Understanding PKI: Concepts, Standards, and Deployment Considerations
A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
Establishing pairwise keys in distributed sensor networks
Proceedings of the 10th ACM conference on Computer and communications security
SIA: secure information aggregation in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
The sybil attack in sensor networks: analysis & defenses
Proceedings of the 3rd international symposium on Information processing in sensor networks
A pairwise key predistribution scheme for wireless sensor networks
ACM Transactions on Information and System Security (TISSEC)
Path key establishment using multiple secured paths in wireless sensor networks
CoNEXT '05 Proceedings of the 2005 ACM conference on Emerging network experiment and technology
Secure hierarchical in-network aggregation in sensor networks
Proceedings of the 13th ACM conference on Computer and communications security
LEAP+: Efficient security mechanisms for large-scale distributed sensor networks
ACM Transactions on Sensor Networks (TOSN)
Group-based key predistribution for wireless sensor networks
ACM Transactions on Sensor Networks (TOSN)
ACM Transactions on Information and System Security (TISSEC)
On the security of public key protocols
SFCS '81 Proceedings of the 22nd Annual Symposium on Foundations of Computer Science
Dealing with random and selective attacks in wireless sensor systems
ACM Transactions on Sensor Networks (TOSN)
The Internet of Things: A survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
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We consider cryptographic key establishment in sensor networks without PKI or trusted third parties, using pairwise trust relationships between intermediaries. We describe a novel attack called key foisting that defeats current schemes, compromising 90% of the path keys with only 10% of the sensors in the network seized. We then present a two-way path-key establishment scheme that resists foisting. It reduces the probability of successful key foisting to nearly zero even with 20% of sensors seized. Its overhead is affordable, and its resilience is excellent.