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Ci-Lock: Cipher Induced Logic Locking Resistant Against SAT Attacks
Logic locking Block cipher Hardware obfuscation
2019/8/30
Protection of intellectual property (IP) cores is one of the most practical security concern for modern integrated circuit (IC) industry. Albeit being well-studied from a practical perspective, the pr...
The End of Logic Locking? A Critical View on the Security of Logic Locking
Logic Locking Logic Encryption
2019/7/15
With continuously shrinking feature sizes of integrated circuits, the vast majority of semiconductor companies have become fabless, i.e., chip manufacturing has been outsourced to foundries across the...
The Key is Left under the Mat: On the Inappropriate Security Assumption of Logic Locking Schemes
Logic Locking Optical Contactless Probing Tamper-proof Memory
2019/6/19
Logic locking has been proposed as an obfuscation technique to protect outsourced IC designs from Intellectual Property (IP) piracy by untrusted entities in the design and fabrication process. It obfu...
SAT-attack is known to successfully decrypt a functionally correct key of a locked combinational circuit. It is possible to extend the SAT-attack to sequential circuits through the scan-chain by selec...
Vulnerability and Remedy of Stripped Function Logic Locking
Logic Locking SAT-based Attack Stripped Function Logic Locking
2019/2/26
Stripped Function Logic Locking (SFLL) as the most advanced logic locking technique is robust against both the SAT-based and the removal attacks under the assumption of thorough resynthesis of the str...
Secure and Effective Logic Locking for Machine Learning Applications
Logic Locking SAT Attack Machine Learning Applications
2019/1/9
Logic locking has been proposed as a strong protection of intellectual property (IP) against security threats in the IC supply chain especially when the fabrication facility is untrusted. Various tech...
This paper proposes Functional Analysis attacks on state of the art Logic Locking algorithms (abbreviated as FALL attacks). FALL attacks have two stages. The first stage identifies nodes involved in t...
Towards Provably-Secure Analog and Mixed-Signal Locking Against Overproduction
AMS security logic locking process variations
2018/11/12
Similar to digital circuits, analog and mixed-signal (AMS) circuits are also susceptible to supply-chain attacks such as piracy, overproduction, and Trojan insertion. However, unlike digital circuits,...
Cyclic Locking and Memristor-based Obfuscation Against CycSAT and Inside Foundry Attacks
cyclic circuit logic encryption circuit obfuscation
2017/12/11
The high cost of IC design has made chip protection one of the first priorities of the semiconductor industry. Although there is a common impression that combinational circuits must be designed withou...
Logic locking is a technique that's proposed to protect outsourced IC designs from piracy and counterfeiting by untrusted foundries. A locked IC preserves the correct functionality only when a correct...
Novel Bypass Attack and BDD-based Tradeoff Analysis Against all Known Logic Locking Attacks
Logic Locking SAT Attack Hardware IP Protection
2017/6/28
Logic locking has emerged as a promising technique for protecting gate-level semiconductor intellectual property. However, recent work has shown that such gate-level locking techniques are vulnerable ...
Logic locking is a technique that has been proposed to protect
outsourced IC designs from piracy and counterfeiting by untrusted
foundries. A locked IC preserves the correct functionality only when ...
Automatic Fine-Grain Locking Using Shape Properties
Concurrency Locking Protocol Synthesis Serializability Atomicity Reduction
2016/5/24
We present a technique for automatically adding fine-grain locking to an abstract data type that is implemented using a dynamic forest —i.e., the data structures may be mutated,even to the point of vi...
Analysis of Frequency Locking in Optically Driven MEMS Resonators
Frequency Locking Optically Driven MEMS Resonators
2015/8/27
Thin, planar, radio frequency microelectromechan-ical systems (MEMS) resonators have been shown to self-oscillate in the absence of externalforcing whenilluminated by adirect cur-rent (dc) laser of su...
Master-Slave Locking of Optomechanical Oscillators over a Long Distance
Master-Slave Locking Optomechanical Oscillators Long Distance
2015/8/26
Frequency locking and other phenomena emerging from nonlinear interactions between mechanical oscillators are of scientific and technological importance. However, existing schemes to observe such beha...