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Private Circuits: A Modular Approach
NAND MPC
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2018/6/5
We consider the problem of protecting general computations against constant-rate random leakage. That is, the computation is performed by a randomized boolean circuit that maps a randomly encoded inpu...
Tight Private Circuits: Achieving Probing Security with the Least Refreshing
Side-channel Masking Composition
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2018/5/15
Masking is a common countermeasure to secure implementations against side-channel attacks. In 2003, Ishai, Sahai, and Wagner introduced a formal security model, named t-probing model, which is now wid...
Amortizing Randomness Complexity in Private Circuits
side-channel attacks masking schemes leakage resilience
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2017/9/14
Cryptographic implementations are vulnerable to Side Channel Analysis (SCA), where an adversary exploits physical phenomena such as the power consumption to reveal sensitive information. One of the mo...
Private Circuits III: Hardware Trojan-Resilience via Testing Amplification
hardware trojan horses secure multiparty computations
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2016/12/8
Security against hardware trojans is currently becoming an essential ingredient to ensure trust in information systems. A variety of solutions have been introduced to reach this goal, ranging from rea...
Randomness Complexity of Private Circuits for Multiplication
Private Circuits Multiplication
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2016/3/1
Many cryptographic algorithms are vulnerable to side channel analysis and several leakage models
have been introduced to better understand these flaws. In 2003, Ishai, Sahai and Wagner introduced
th...