A construction of universal secure network coding
Ryutaroh Matsumoto

TL;DR
This paper presents a universal secure network coding scheme that adapts to changing eavesdropper links, ensuring small mutual information leakage with minimal modifications at the source.
Contribution
It introduces a flexible, universal construction that works with any linear intermediate coding and relaxes security to allow dynamic eavesdropping scenarios.
Findings
Works with any linear coding at intermediate nodes
Allows eavesdropper links to change over time
Ensures mutual information is sufficiently small
Abstract
We construct a universal secure network coding. Our construction just modifies the transmission scheme at the source node and works with every linear coding at an intermediate node. We relax the security criterion such that the mutual information between the message and the eavesdropped signal is sufficiently small instead of strictly zero. Our construction allows the set of eavesdropped links to change at each time slot.
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Taxonomy
TopicsCooperative Communication and Network Coding · Wireless Communication Security Techniques · Coding theory and cryptography
