Hardware IP Protection

Yu Bi

ELE594 – Special Topic on Hardware Security & Trust

University of Rhode Island

Globalization of IC Supply Chain

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Security Vulnerabilities and Trust Issues

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Security Vulnerabilities and Trust Issues

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Logic Locking (LL)

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Logic Locking

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The circuit produces correct output only

when the correct key is supplied.

Logic Locking Techniques

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Evolution of Logic Locking

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Attacks on Logic Locking

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Attacks on Logic Locking

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Fault Analysis-based LL

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Attack 1: Sensitization Attack

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Sensitization Attack: Example

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Solution: Strong Logic Locking (SLL)

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SLL

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SLL Results: Clique Size

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Attacks on Logic Locking

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Attack 2: SAT Attack

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SAT Attack: Distinguishing Ability

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SAT Attack: Experimental Results

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Thwarting SAT Attack

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Solution 1: SARLock

22# of DIPs = 2k-1

SARLock: Experimental Results

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SARLock: Experimental Results

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Solution 2: Anti-SAT

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Anti-SAT: SAT Attack Resilience

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Anti-SAT: Generic Functions

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Attack 3: SPS Attack

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SPS Attack: Operation

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SPS Attack Results: Impact of Key Size

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Functional Obfuscation

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SPS Attack Results: Obfuscation

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Other IP Protection

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