The official PGP user's guide
NSPW '97 Proceedings of the 1997 workshop on New security paradigms
Communications of the ACM
The quest for security in mobile ad hoc networks
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
A Distributed Light-Weight Authentication Model for Ad-hoc Networks
ICISC '01 Proceedings of the 4th International Conference Seoul on Information Security and Cryptology
The Resurrecting Duckling: Security Issues for Ad-hoc Wireless Networks
Proceedings of the 7th International Workshop on Security Protocols
Providing Robust and Ubiquitous Security Support for Mobile Ad Hoc Networks
ICNP '01 Proceedings of the Ninth International Conference on Network Protocols
Practical threshold signatures
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Key agreement in ad hoc networks
Computer Communications
IEEE Network: The Magazine of Global Internetworking
A survey on key management mechanisms for distributed Wireless Sensor Networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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The attractiveness of the wireless ad hoc networks lies in the fact that these networks are self-organized: the hosts constituting the networks can communicate with each other without reliance on any centralized or specified entities such as base stations or access points. With these networks finding more applications, the need for adequate security mechanism is increasingly becoming important. Key management is an essential cryptographic primitive upon which other security protocols are built. However, most of the existing key management schemes are not feasible in ad hoc networks because public key infrastructures with a centralized certification authority are hard to deploy there. In this paper, we propose and evaluate a mechanism of distributed certification authority based on threshold cryptography that is suited for wireless ad hoc networks. In the proposed scheme, a collection of nodes acts as the certificate authority and provides the certification service. The feasibility of the proposed scheme is verified by simulation. The results show the effectiveness of the scheme.