The fabrication of integrated circuits (ICs) is typically outsourced to an external semiconductor foundry to reduce cost. However, this can come at the expense of trust. How can a designer ensure the integrity of the ICs fabricated by an external foundry? The talk will discuss a new approach for inspiring trust in outsourced IC fabrication by complementing the untrusted (outsourced) with an IC fabricated at a low-end but trusted foundry. This approach is referred to as split fabrication. We present two different ways in which split fabrication can be used to enhance security: logic obfuscation and verifiable ASICs.
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