Secure and seamless prepayment for wireless mesh networks
Leloğlu, Can Serhat (2013) Secure and seamless prepayment for wireless mesh networks. [Thesis]
Wireless Mesh Network (WMN) is multi-hop high-speed networking technology for broadband access. Compared to conventional network service providing systems, WMNs are easy to deploy and cost-effective. In this thesis, we propose a secure and seamless prepayment system for the Internet access through WMNs (SSPayWMN). Practical payment systems for network access generally depend on trustworthiness of service provider. However, in real life, service providers may unintentionally overcharge their clients. This misbehavior in the system may cause disputes between the clients and the service providers. Even if the service provider is rightful, it is very difficult to convince the customer since the service providers generally do not have justifiable proofs that can easily be denied by the clients. The main goal of SSPayWMN is to provide a secure payment scheme, which is fair to both operators and clients. Using cryptographic tools and techniques, all system entities are able to authenticate each other and provide/get service in an undeniable way. Moreover, SSPayWMN provides privacy and untraceability in order not to track down particular user’s network activities. We implemented SSPayWMN on a network simulator (ns-3) and performed performance evaluation to understand the latency caused by the system's protocols. Our results show that our protocols achieve low steady state latency and in overall put very little burden on the system.
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