Providing security support for mobile ad-hoc networks is challenging for several reasons: ( a ) wireless networks are susceptible to attacks ranging from passive eavesdropping to active intelfering, occasional break-ins by adversaries may be inevitable in a large time window; ( b ) mobile users demand "anywhere, anytime" services; (c) a scalable solution is needed for a large-scale mobile network. In this papel; we describe a solution that supports ubiquitous security services for mobile hosts, scales to network size, and is robust against break-ins. In our design, we distribute the certifcation authority functions through a threshold secret sharing mechanism, in which each entity holds a secret share and multiple entities in a local neighborhood jointly provide complete services. We employ localized certifcation schemes to enable ubiquitous services. We also update the secret shares to further enhance robustness against break-ins. Both simulations and implementation confirm the effectiveness of our design.
Jiejun K. et al. propose to distribute certification authority functions through a threshold secret sharing mechanism REF .
Providing robust and ubiquitous security support for mobile ad-hoc networks
Proceedings Ninth International Conference on Network Protocols. ICNP 2001
Proceedings Ninth International Conference on Network Protocols. ICNP 2001
Computer Science