By Prabhat Mishra
This booklet presents an summary of present highbrow estate (IP) established System-on-Chip (SoC) layout technique and highlights how safeguard of IP will be compromised at a variety of levels within the total SoC design-fabrication-deployment cycle. Readers will achieve a entire knowing of the protection vulnerabilities of other sorts of IPs. This publication might let readers to beat those vulnerabilities via an effective mix of proactive countermeasures and design-for-security recommendations, in addition to a wide selection of IP safety and belief overview and validation recommendations. This booklet serves as a single-source of reference for approach designers and practitioners for designing safe, trustworthy and reliable SoCs.
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Extra info for Hardware IP Security and Trust
Avoiding shared paths makes a Trojan’s contribution to affected paths’ delay minimal, which can be masked by process variations, making it difficult to detect and distinguish the added delay from variations. The reported nets are ensured to be untestable by structural test patterns used in production tests. They also have low transition probabilities so Trojans will negligibly affect circuit power consumption. As the nets are chosen from non-critical paths without any shared segments, it would be extremely difficult to detect Trojans by delay-based techniques.
These empty spaces can be used by an untrusted foundry to place and route Trojan cells with minimum impact on circuit specification. To study the vulnerability of a circuit layout to hardware Trojan insertion, Fig. 2 shows a novel circuit vulnerability analysis flow at the layout-level. 1 Cell and Routing Analyses A gate-level synthesized netlist, along with design constraints and technology library information, is fed into a physical design tool for placement and routing. The circuit layout, the output of physical design, shows gates’ location and their detail wiring through metal layers.
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