Secure Consensus via Objective Coding: Robustness Analysis to Channel Tampering

This work mainly addresses continuous-time multiagent consensus networks where an adverse attacker affects the convergence performances of said protocol. In particular, we develop a novel secure-by-design approach in which presence network manager monitors system and broadcasts encrypted tasks (i.e., hidden edge weight assignments) to agents involved. Each agent is then expected decode received codeword containing data on task through appropriate decoding functions by leveraging advanced security principles, such as objective coding information localization. Within this framework, stability analysis conducted for showing robustness channel tampering scenario part corresponding single link corrupted. A tradeoff between capability also pointed out. To support these novelties, application example decentralized estimation provided. Moreover, investigation robust agreement well extended discrete-time domain. Further numerical simulations are given validate theoretical results both time domains.