Welcome to the resource topic for 2023/205
Title:
DEFending Integrated Circuit Layouts
Authors: Jitendra Bhandari, Jayanth Gopinath, Mohammed Ashraf, Johann Knechtel, Ramesh Karri
Abstract:The production of modern integrated circuit (IC) requires a complex, outsourced supply chain involving computer-aided design (CAD) tools, expert knowledge, and advanced foundries. This complexity has led to various security threats, such as Trojans inserted by
adversaries during outsourcing, and physical probing or manipulation of devices at run-time. Our proposed solution, DEFense is an extensible CAD framework for evaluating and proactively mitigating threats to IC at the design-time stage. Our goal with DEFense is to achieve “security closure” at the physical layout level of IC design, prioritizing security alongside traditional power, performance, and area (PPA) objectives. DEFense uses an iterative approach to assess and mitigate vulnerabilities in the IC layout, automating vulnerability assessments and identifying vulnerable active devices and wires. Using the quantified findings, DEFense guides CAD tools to re-arrange placement and routing and use other heuristic means to “DEFend” the layouts. DEFense is independent of back-end CAD tools as it works with the standard DEF format for physical layouts. It is a flexible and extensible scripting framework without the need for modifications to commercial CAD code bases. We are providing the framework to the community and have conducted a thorough experimental investigation into different threats and adversaries at various stages of the IC life-cycle, including Trojan insertion by an untrusted foundry, probing by an untrusted end-user, and intentionally introduced crosstalk by an untrusted foundry.
ePrint: https://eprint.iacr.org/2023/205
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