Hardware Security Quiz
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Questions and Answers

What is the primary function of XOR gates in logic locking?

  • Add delays to the circuit
  • Improve performance
  • Create locked outputs (correct)
  • Perform cryptographic operations

    • What does FEOL stand for in chip design?

  • Front-End-Of-Line (correct)
  • Fault-End-Of-Layer
  • First-Electrical-On-Line
  • Front-End-Open-Line

    • Which of the following accurately describes a drawback of brute-force attacks compared to SAT attacks?

  • Can identify DIPs easily
  • Slower to find keys (correct)
  • Require less computation
  • Are less effective on simple circuits

    • In the context of split manufacturing, what is a key objective of routing perturbation?

    <p>Create misleading paths</p> Signup and view all the answers

    What does state-space obfuscation aim to achieve in active metering?

    <p>Hide internal states from unauthorized users</p> Signup and view all the answers

    What is a primary benefit of utilizing split manufacturing in IC production?

    <p>Prevents reverse engineering</p> Signup and view all the answers

    Which method is used to ensure circuit confidentiality in split manufacturing?

    <p>Layout obfuscation</p> Signup and view all the answers

    What does the term 'functional obfuscation' refer to in the context of split manufacturing?

    <p>Confusing attackers about the circuit's purpose</p> Signup and view all the answers

    What is the main objective of logic locking techniques in hardware security?

    <p>Protect circuit designs</p> Signup and view all the answers

    Which phase of IC fabrication is typically managed by a high-end foundry?

    <p>Front-End-Of-Line (FEOL)</p> Signup and view all the answers

    What is the significance of using wire elevation in split manufacturing?

    <p>Makes routing harder to interpret</p> Signup and view all the answers

    What is a key strategy used in IC metering to maintain uniqueness?

    <p>Embedding unique serial numbers</p> Signup and view all the answers

    Which of the following best describes the goal of state-space obfuscation?

    <p>To hide internal states from unauthorized users</p> Signup and view all the answers

    What role does dummy cell insertion play in split manufacturing?

    <p>To confuse potential attackers</p> Signup and view all the answers

    Which method is primarily used by SAT attacks?

    <p>To extract the correct key</p> Signup and view all the answers

    What is an essential feature of strong logic locking related to 'clique size'?

    <p>Measures lock interdependence</p> Signup and view all the answers

    In the context of obfuscation methods, what does confusing attackers about the circuit's purpose aim to achieve?

    <p>Improved security against reverse engineering</p> Signup and view all the answers

    What is one drawback of brute-force attacks when compared to SAT attacks?

    <p>Slower to find keys</p> Signup and view all the answers

    What does the term 'output corruptibility' refer to in logic locking?

    <p>Assessing output errors with incorrect keys</p> Signup and view all the answers

    Which phase in chip manufacturing is referred to as BEOL?

    <p>Back-End-Of-Line processes</p> Signup and view all the answers

    In the context of split manufacturing, what is the purpose of dummy branches?

    <p>Slow proximity attacks</p> Signup and view all the answers

    What is a significant drawback of passive IC metering?

    <p>Ease of cloning serial numbers for unauthorized usage</p> Signup and view all the answers

    What is the primary advantage of netlist obfuscation in split manufacturing?

    <p>Hides the underlying design structure</p> Signup and view all the answers

    What is the primary objective of logic locking techniques?

    <p>Protect against unauthorized access</p> Signup and view all the answers

    Which phase of IC fabrication is referred to as BEOL?

    <p>Back-End-Of-Line</p> Signup and view all the answers

    What benefit does split manufacturing provide regarding design confidentiality?

    <p>Protects design confidentiality</p> Signup and view all the answers

    In IC metering, which technique is associated with physical unclonable functions (PUFs)?

    <p>Passive metering</p> Signup and view all the answers

    What is the purpose of output corruptibility in logic locking?

    <p>Allow output errors with incorrect keys</p> Signup and view all the answers

    How does fault masking typically occur in logic locking?

    <p>By key bits canceling each other</p> Signup and view all the answers

    What is a key feature of Anti-SAT logic locking?

    <p>High circuit complexity</p> Signup and view all the answers

    What is a significant challenge of passive IC metering?

    <p>Easily cloned identifiers</p> Signup and view all the answers

    What is the main advantage of using dummy branches in split manufacturing?

    <p>Slow proximity attacks</p> Signup and view all the answers

    What does functional obfuscation aim to achieve in split manufacturing?

    <p>Protect intellectual property</p> Signup and view all the answers

    How does fault masking occur in logic locking?

    <p>When wrong key bits cancel each other</p> Signup and view all the answers

    What is the main purpose of dummy branches in split manufacturing?

    <p>Slow proximity attacks</p> Signup and view all the answers

    Which option describes a major challenge of passive IC metering?

    <p>Ease of cloning serial numbers</p> Signup and view all the answers

    What feature is characteristic of Anti-SAT logic locking?

    <p>Weak DIPs</p> Signup and view all the answers

    In split manufacturing, what benefit does netlist obfuscation provide?

    <p>Hides design structure</p> Signup and view all the answers

    What is the effect of increasing clique size in strong logic locking?

    <p>Makes the circuit harder to break</p> Signup and view all the answers

    What does 'functional obfuscation' refer to in split manufacturing?

    <p>Confusing attackers about the circuit's purpose</p> Signup and view all the answers

    What is the primary goal of state-space obfuscation in active IC metering?

    <p>Hide internal states from unauthorized users</p> Signup and view all the answers

    Which drawback is associated with brute-force attacks compared to SAT attacks?

    <p>Slower to find keys</p> Signup and view all the answers

    What is the significance of wire elevation in split manufacturing?

    <p>Makes routing harder to interpret</p> Signup and view all the answers

    What is the primary objective of implementing dummy cell insertion in split manufacturing?

    <p>Introduce confusion for potential attackers</p> Signup and view all the answers

    What does the concept of 'clique size' in strong logic locking primarily help to quantify?

    <p>The interdependence of the locked elements</p> Signup and view all the answers

    Which phase in split manufacturing usually includes the creation of transistors and passive components?

    <p>Front-End-Of-Line (FEOL)</p> Signup and view all the answers

    What is the main focus of a SAT attack in the context of hardware security?

    <p>Obtaining the correct cryptographic key</p> Signup and view all the answers

    In logic locking, how does the concept of Anti-SAT primarily contribute to security?

    <p>By increasing the size of the key used</p> Signup and view all the answers

    What is the purpose of using netlist obfuscation during split manufacturing?

    <p>To protect the circuit architecture from prying eyes</p> Signup and view all the answers

    Which logic locking technique is characterized by the introduction of loops to obscure circuit functionality?

    <p>Cyclic Logic Locking</p> Signup and view all the answers

    What is the intended outcome when using dummy branches in split manufacturing?

    <p>Slow proximity attacks</p> Signup and view all the answers

    What is the primary limitation when utilizing passive metering techniques in integrated circuits?

    <p>High probability of generating duplicate serial numbers</p> Signup and view all the answers

    Which feature of Anti-SAT logic locking can lead to vulnerabilities?

    <p>Weak Distinguishing Input Patterns (DIPs)</p> Signup and view all the answers

    What is the primary purpose of netlist obfuscation in the context of split manufacturing?

    <p>Hides design structure</p> Signup and view all the answers

    How does fault masking improve the security of logic locking techniques?

    <p>When incorrect key bits unexpectedly cancel each other out</p> Signup and view all the answers

    What is a defining characteristic of active IC metering?

    <p>It adds cryptographic locks</p> Signup and view all the answers

    What effect does routing perturbation have in split manufacturing?

    <p>It confuses potential attackers by altering pathways</p> Signup and view all the answers

    What is the core purpose of split manufacturing regarding hardware security?

    <p>Maintain manufacturer confidentiality of designs</p> Signup and view all the answers

    In the context of chip manufacturing, what does BEOL specifically represent?

    <p>Back-End Of-Line</p> Signup and view all the answers

    Which metering technique utilizes physical unclonable functions (PUFs)?

    <p>Passive unclonable metering</p> Signup and view all the answers

    What is the role of output corruptibility in the logic locking process?

    <p>To pinpoint errors when incorrect keys are used</p> Signup and view all the answers

    How does fault masking predominantly function within logic locking?

    <p>When incorrect key bits negate each other</p> Signup and view all the answers

    What significant advantage does netlist obfuscation provide in split manufacturing?

    <p>It conceals the underlying design structure</p> Signup and view all the answers

    What challenge is particularly associated with passive IC metering?

    <p>Vulnerability to serial number duplication</p> Signup and view all the answers

    What feature does SARLock provide to ensure robust security in logic locking?

    <p>Produces weak DIPs</p> Signup and view all the answers

    Which phase of IC fabrication is responsible for creating both transistors and passive elements?

    <p>Front-End-Of-Line (FEOL)</p> Signup and view all the answers

    What is a fundamental strategy employed by Anti-SAT to enhance security?

    <p>Creates complementary functions</p> Signup and view all the answers

    What distinguishes active IC metering from other forms of metering?

    <p>It uses cryptographic locks to restrict access</p> Signup and view all the answers

    In split manufacturing, routing perturbation primarily aims to achieve what?

    <p>Obfuscating circuit paths for security</p> Signup and view all the answers

    What is the primary motivation for implementing split manufacturing in hardware security?

    <p>Safeguarding design confidentiality</p> Signup and view all the answers

    What does BEOL signify in the context of semiconductor manufacturing?

    <p>Back-End-Of-Line</p> Signup and view all the answers

    Which IC metering technique is primarily associated with physical unclonable functions (PUFs)?

    <p>Passive unclonable metering</p> Signup and view all the answers

    In logic locking, what does the term DIP represent?

    <p>Distinguishing Input Pattern</p> Signup and view all the answers

    What is the primary function of output corruptibility in logic locking?

    <p>To evaluate errors resulting from incorrect keys</p> Signup and view all the answers

    Which of these techniques is NOT related to passive IC metering?

    <p>Creating interfaces for external control</p> Signup and view all the answers

    What outcome is most commonly associated with a SAT attack?

    <p>Extracting sensitive information</p> Signup and view all the answers

    In the context of logic locking, which method is specifically used to alter the logical structure of a circuit?

    <p>Cyclic Logic Locking</p> Signup and view all the answers

    What is the effect of inserting dummy cells in a split manufacturing process?

    <p>To confuse and mislead attackers</p> Signup and view all the answers

    What does the term 'clique size' indicate in the context of strong logic locking?

    <p>The level of interdependence among keys</p> Signup and view all the answers

    Which option is a distinguishing feature of Front-End-Of-Line (FEOL) in chip manufacturing?

    <p>It encompasses the layering of silicon wafers</p> Signup and view all the answers

    How does the Anti-SAT methodology influence the security of logic locking?

    <p>By creating complementary logical functions</p> Signup and view all the answers

    Which characteristic is synonymous with routing perturbation in split manufacturing?

    <p>Confusing attackers through path modification</p> Signup and view all the answers

    What primary function does SARLock serve within logic locking frameworks?

    <p>Creates weak dependency paths</p> Signup and view all the answers

    What overall benefit does netlist obfuscation provide in split manufacturing?

    <p>Protection of circuit functionality against reverse engineering</p> Signup and view all the answers

    What is a key feature of finite state machine (FSM)-based watermarking?

    <p>It embeds watermark at the behavioral level.</p> Signup and view all the answers

    What does state-based FSM watermarking involve?

    <p>Changing the encoding of existing states.</p> Signup and view all the answers

    What modification is used in DSP-based watermarking?

    <p>Division of the filter's passband region into multiple bits.</p> Signup and view all the answers

    Which characteristic distinguishes transition-based FSM watermarking from state-based FSM watermarking?

    <p>It utilizes unused transitions or adds new transitions.</p> Signup and view all the answers

    What is a potential drawback of state-based FSM watermarking?

    <p>Weakened resistance against attacks.</p> Signup and view all the answers

    What is a potential impact of hardware security risks on commercial parties?

    <p>Erosion of trust in technology</p> Signup and view all the answers

    Which technique is specifically designed to protect intellectual property in hardware?

    <p>Logic Locking</p> Signup and view all the answers

    Which of the following represents a societal consequence of hardware security risks?

    <p>Increased economic and market loss</p> Signup and view all the answers

    What is a primary goal of utilizing IC watermarking in hardware security?

    <p>To maintain proprietary information</p> Signup and view all the answers

    Which challenge is often faced during the chip design process in regard to hardware security?

    <p>Maintaining design confidentiality</p> Signup and view all the answers

    What is a crucial requirement for an effective fingerprint in software or design?

    <p>Low probability of coincidence</p> Signup and view all the answers

    How does IC camouflaging contribute to hardware security?

    <p>By obscuring circuit layouts and functionalities</p> Signup and view all the answers

    Which factor is considered when evaluating the overhead of a fingerprinting solution?

    <p>Impact on the quality of the software</p> Signup and view all the answers

    What is a common risk associated with IP theft in the context of hardware security?

    <p>Proprietary designs may be leaked</p> Signup and view all the answers

    How can a good fingerprinting solution ensure user identification throughout the software?

    <p>By distributing fingerprints across the design</p> Signup and view all the answers

    What characteristic must fingerprints have to prevent unauthorized users from easily removing them?

    <p>Complexity in their structure</p> Signup and view all the answers

    Which method can be employed to mitigate the effects of overproduction in hardware development?

    <p>Split Manufacturing</p> Signup and view all the answers

    Which requirement highlights the need for minimal performance impact when using fingerprinting in designs?

    <p>Short runtime</p> Signup and view all the answers

    In the context of fingerprinting, what does collusion-secure mean?

    <p>Fingerprints are unique and difficult to replicate</p> Signup and view all the answers

    Why is it crucial for fingerprinting solutions to preserve the strength of the author's watermark?

    <p>To maintain intellectual property rights</p> Signup and view all the answers

    What is an important design consideration when adding fingerprints to existing solutions?

    <p>Complete transparency of addition</p> Signup and view all the answers

    What should be aimed for when distributing fingerprints throughout software or designs?

    <p>Part protection for user identification</p> Signup and view all the answers

    What is the primary goal of ensuring resilience in fingerprinting solutions?

    <p>Preventing removal of fingerprints</p> Signup and view all the answers

    What is a primary goal of IC camouflaging?

    <p>To hide the actual circuit function from reverse engineers</p> Signup and view all the answers

    Which technique is utilized in fingerprinting based on scan chains?

    <p>Altering connection styles between Scan Flip-Flops (SFFs)</p> Signup and view all the answers

    What is the main focus of manipulating interconnections at the interconnect level during IC camouflaging?

    <p>To create faults or virtual connections</p> Signup and view all the answers

    Which stage includes fabricating identical circuits prior to fingerprinting?

    <p>Post-silicon stage</p> Signup and view all the answers

    What consequence does camouflaging cells usually incur?

    <p>Higher overhead in power, area, and timing</p> Signup and view all the answers

    In the fingerprinting process, what is the role of mask building?

    <p>To control post-silicon modifications</p> Signup and view all the answers

    Which fabrication technique is NOT mentioned as part of process-level camouflaging?

    <p>Layer stacking techniques</p> Signup and view all the answers

    What aspect of scan chains is leveraged in fingerprinting techniques?

    <p>Controllability and observability</p> Signup and view all the answers

    Which of the following is a challenge associated with IC manufacturing?

    <p>Ensuring performance consistency across chips</p> Signup and view all the answers

    What are Scan Flip-Flops (SFFs) primarily used for in fingerprinting?

    <p>To facilitate embedded fingerprints</p> Signup and view all the answers

    What key advantage does localized watermarking provide in IP protection strategies?

    <p>It enables verification to be performed independently in smaller segments.</p> Signup and view all the answers

    What is a significant limitation of global watermarking techniques mentioned in the context?

    <p>Alterations to the design may affect watermark extraction and validation.</p> Signup and view all the answers

    How does hierarchical watermarking improve security for IP cores compared to other methods?

    <p>By requiring attackers to remove watermarks at multiple abstraction levels.</p> Signup and view all the answers

    What potential risk is associated with side-channel-based watermarking?

    <p>Alterations in power consumption from other IP cores may impact watermark detection.</p> Signup and view all the answers

    What is a fundamental characteristic of localized watermarking in terms of verification?

    <p>It allows for local verification in different parts of the design.</p> Signup and view all the answers

    In the context of watermarking techniques, what does the term 'noise floor' refer to?

    <p>The level at which the watermark becomes difficult to detect.</p> Signup and view all the answers

    What is a primary goal of implementing hierarchical watermarking?

    <p>To increase the required effort for attackers to compromise all watermarks.</p> Signup and view all the answers

    What challenge does localized watermarking help to address compared to global watermarking?

    <p>The risk of watermark tampering through design alterations.</p> Signup and view all the answers

    What methodology underlies the process of converting a watermark into a voltage signature?

    <p>Pattern generation with a user-defined network.</p> Signup and view all the answers

    Which aspect of side-channel-based watermarking makes it resilient against removal?

    <p>Its operation below the noise floor.</p> Signup and view all the answers

    What is one potential consequence for commercial parties if hardware security is compromised?

    <p>Liability and legal risks</p> Signup and view all the answers

    Which of the following is NOT a security risk that consumers face regarding hardware?

    <p>Erosion of trust in technology</p> Signup and view all the answers

    What is a primary goal of IC watermarking in hardware security?

    <p>To protect intellectual property</p> Signup and view all the answers

    Which of the following security risks could lead to compromised national security?

    <p>Supply chain vulnerability</p> Signup and view all the answers

    What type of hardware risk can result in a competitive disadvantage for businesses?

    <p>IP theft</p> Signup and view all the answers

    Which hardware security approach aims to detect unauthorized alterations to a circuit?

    <p>Trojan detection</p> Signup and view all the answers

    Which consequence of cybercrime is most concerning for industry and society as a whole?

    <p>Erosion of trust in technology</p> Signup and view all the answers

    What type of transistor characteristic is modified through source/drain doping?

    <p>Electrical characteristics of the transistor</p> Signup and view all the answers

    How can stuck-at faults be created in the context of IC camouflaging?

    <p>By replacing P-type with N-type dopants</p> Signup and view all the answers

    What configuration does channel doping allow in a transistor?

    <p>Modify the transistor type to either depletion or enhancement mode</p> Signup and view all the answers

    Which condition describes the operation status of an enhancement mode N-channel transistor?

    <p>It is OFF when $V_{GS} &lt; 0$</p> Signup and view all the answers

    What is a key effect of channel doping in MOSFET types?

    <p>Changing from one specific type of MOSFET to another</p> Signup and view all the answers

    What is the primary verification procedure in static watermarking?

    <p>Checking if the watermarked constraints are satisfied.</p> Signup and view all the answers

    What advantage does localized watermarking have over traditional methods?

    <p>It simplifies the reverse engineering process.</p> Signup and view all the answers

    Which of the following best describes dynamic watermarking?

    <p>It identifies watermarks by analyzing a specific input sequence.</p> Signup and view all the answers

    What modification can be made at the algorithmic level in DSP-based watermarking?

    <p>Alter the filter’s passband region</p> Signup and view all the answers

    During the extraction challenges, what should be done when the public part of stego constraints is suspected of being attacked?

    <p>Only the private part should be recovered for verification.</p> Signup and view all the answers

    Which statement accurately describes FSM-based watermarking?

    <p>It introduces additional states or transitions.</p> Signup and view all the answers

    What is a characteristic of state-based FSM watermarking?

    <p>It weakens the design's security.</p> Signup and view all the answers

    What is a significant challenge associated with reverse engineering in static watermarking?

    <p>It is a costly and time-consuming task.</p> Signup and view all the answers

    In DSP-based watermarking, how is the magnitude response manipulated?

    <p>By implementing positive and negative change codes</p> Signup and view all the answers

    Who can interpret the information obtained through the output sequence in dynamic watermarking?

    <p>Only the author of the design.</p> Signup and view all the answers

    What types of watermarking schemes are classified as dynamic?

    <p>FSM-based and test structure-based schemes.</p> Signup and view all the answers

    Which of the following is a method used in transition-based FSM watermarking?

    <p>Utilizing unused transitions</p> Signup and view all the answers

    What distinguishes the categories of FSM-based watermarking?

    <p>The method of encoding states or transitions</p> Signup and view all the answers

    What is a primary function of the procedure that checks watermarked constraints?

    <p>To verify authorship and detect unauthorized modifications.</p> Signup and view all the answers

    What is the main challenge that localized watermarking addresses?

    <p>Minimizing the need for extensive reverse engineering.</p> Signup and view all the answers

    When modifying circuit blocks in DSP watermarking, what is the requirement regarding the transfer function?

    <p>It must remain unchanged.</p> Signup and view all the answers

    Which aspect is crucial for ensuring the uniqueness of a watermark in FSM-based design?

    <p>The specific sequence of states</p> Signup and view all the answers

    What is a benefit of manipulating the magnitude response in DSP-based watermarking?

    <p>It allows minimal distortion in the signal.</p> Signup and view all the answers

    What is the primary goal of fingerprinting on don't-care conditions in IC design?

    <p>To modify the circuit for flexibility while retaining the best IP</p> Signup and view all the answers

    What is a key purpose of IC camouflaging?

    <p>To make it difficult for attackers to reverse-engineer the circuit</p> Signup and view all the answers

    Which level of camouflaging focuses on manipulating interconnections between transistors?

    <p>Interconnect-level camouflaging</p> Signup and view all the answers

    What is typically a downside of using camouflaging cells in IC design?

    <p>Higher overhead in power, area, and timing</p> Signup and view all the answers

    How does IC camouflaging help against image-based reverse engineering?

    <p>By obfuscating the actual function of the circuit</p> Signup and view all the answers

    Which fabrication technique is involved in process-level camouflaging?

    <p>Dummy contact-based techniques</p> Signup and view all the answers

    What does embedding fingerprints in an IC aim to achieve?

    <p>Providing a means of identifying altered copies of the circuit</p> Signup and view all the answers

    What is one approach used at the interconnect level in IC camouflaging?

    <p>Creating physical faults deliberately</p> Signup and view all the answers

    Which of the following is NOT a goal of IC fingerprinting techniques?

    <p>To ensure legal compliance for the IP used</p> Signup and view all the answers

    Study Notes

    Hardware Security Quiz

    • Logic Locking Goal: Protect circuit designs.
    • IC Metering (IC): Integrated Circuit.
    • Split Manufacturing Phase (Foundry): Front-End-Of-Line (FEOL).
    • Passive IC Metering Example: External control via cryptography.
    • SAT Attack Goal: Extract the correct key.
    • Dummy Cell Function: Reduce power consumption.
    • Strong Logic Locking (Clique Size): Quantify lock interdependence.
    • Logic Locking Technique (Loops): Cyclic Logic Locking.
    • FEOL (Split Manufacturing): Front-End-Of-Line.
    • Netlist Obfuscation Benefit: Hiding circuit details.
    • SARLock Purpose: Create strong Digital Input Pins (DIPs).
    • IC Fabrication Phase (Transistors): Front-End-Of-Line (FEOL).
    • Anti-SAT Feature: Weak Digital Input Pins (DIPs).
    • Netlist Obfuscation Advantage: Hides design structure.
    • Strong Logic Locking (Clique Size Effect): Increases power usage, reduces key interdependence, and makes the circuit harder to break.
    • Functional Obfuscation Meaning: Confusing attackers about the circuit's purpose.
    • State-Space Obfuscation in Active IC Metering: Hiding internal states from unauthorized users.
    • Wire Elevation Significance: Makes routing harder to interpret.
    • Active IC Metering Example: Indented serial numbers.
    • Routing Perturbation Effect: Confuses attackers by modifying paths.
    • Split Manufacturing Goal: Protect design confidentiality.
    • BEOL (Chip Manufacturing): Back-End-Of-Line.
    • PUF (Physical Unclonable Function): Passive unclonable metering.
    • SAT Attack (DIP): Distinguishing Input Pattern.
    • Output Corruptibility in Logic Locking: Assess output errors with incorrect keys.
    • Dummy Branches Purpose: Reduce power consumption.
    • Passive IC Metering Challenge: Ease of cloning serial numbers.
    • Anti-SAT Logic Locking Feature (Example): Weak DIPs.
    • Netlist Obfuscation Advantage (Split Manufacturing): Hides the design structure.
    • Logic Locking Effect (Clique Size): Increases power usage, reduces key interdependence and makes circuit break-in harder.
    • Functional Obfuscation Meaning (Split Manufacturing): Confusing attackers about circuit's purpose.
    • State-Space Obfuscation in Active IC Metering: Hide internal states from unauthorized users.
    • Wire Elevation Significance (Split Manufacturing): Makes routing harder to interpret.
    • Active IC Metering Example (Hardware Security): Indented serial numbers.
    • Routing Perturbation Effect (Split Manufacturing): Confuses attackers by modifying paths.
    • Primary Goal of Split Manufacturing: Protect design confidentiality.
    • Backend Layered-Operation: Back-end of line.
    • Physical Unclonable Function (PUF): Passive unclonable metering.
    • SAT Attack (DIP): Distinguishing Input Pattern.
    • Output Corruptibility in Logic Locking: Assess output errors with incorrect keys.
    • Dummy Branches (In Split Manufacturing): Reduces power consumption.
    • Passive IC Metering Challenge (Example): Ease of cloning serial numbers.
    • Anti-SAT Logic Locking Feature (Example): Weak DIPs.
    • Netlist Obfuscation in Split Manufacturing Goal: Hides design structure.
    • Logic Locking Effect (Clique Size): Increases power usage and reduces key interdependence. Makes circuit harder to break.

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    Description

    Test your knowledge on hardware security concepts such as logic locking and IC metering. This quiz covers techniques for protecting circuit designs, including netlist obfuscation and split manufacturing. Dive into the principles and applications of strong logic locking and various security features.

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