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  1. ; ; (, Design Automation & Test in Europe (DATE))
    System-on-Chip (SoC) supply chain is widely acknowledged as a major source of security vulnerabilities. Potentially malicious third-party IPs integrated on the same Network-on-Chip (NoC) with the trusted components can lead to security and trust concerns. While secure communication is a well studied problem in computer networks domain, it is not feasible to implement those solutions on resource-constrained SoCs. In this paper, we present a lightweight anonymous routing protocol for communication between IP cores in NoC based SoCs. Our method eliminates the major overhead associated with traditional anonymous routing protocols while ensuring that the desired security goals are met. Experimental results demonstrate that existing security solutions on NoC can introduce significant (1.5X) performance degradation, whereas our approach provides the same security features with minor (4%) impact on performance. 
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