A Secure Approach for Caching Contents in Wireless Ad Hoc Networks
Mohsen Karimzadeh Kiskani, Hamid Sadjadpour

TL;DR
This paper introduces a decentralized secure coded caching scheme for wireless ad hoc networks that enhances security, simplifies routing, and improves cache hit probability by using XOR-based coding and modeling with Shannon cipher principles.
Contribution
It presents a novel secure coded caching approach that ensures asymptotic perfect secrecy and outperforms uncoded caching in throughput and cache hit probability.
Findings
Achieves asymptotic perfect secrecy using Shannon cipher model.
Significantly higher cache hit probability than uncoded caching.
Simplifies routing protocol and increases throughput capacity.
Abstract
Caching aims to store data locally in some nodes within the network to be able to retrieve the contents in shorter time periods. However, caching in the network did not always consider secure storage (due to the compromise between time performance and security). In this paper, a novel decentralized secure coded caching approach is proposed. In this solution, nodes only transmit coded files to avoid eavesdropper wiretapping and protect the user contents. In this technique random vectors are used to combine the contents using XOR operation. We modeled the proposed coded caching scheme by a Shannon cipher system to show that coded caching achieves asymptotic perfect secrecy. The proposed coded caching scheme significantly simplifies the routing protocol in cached networks while it reduces over-caching and achieves a higher throughput capacity compared to uncoded caching in reactive…
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