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This Letter presents a self-controlled physical unclonable function (PUF) circuit and its application in encrypting on-chip memories of IC bank cards. The PUF circuit is based on cross-coupled NAND gates. Voting and Hamming code address the stability of its outputs. The Monte Carlo simulation and field-programmable gate array board are used for verification. The Voting method improves the error rate...
Side-channel analysis is becoming a major threat to the security chips of smart cards, including power analysis, electromagnetic analysis and fault injection. Based on software hardware co-design, we implemented a side-channel analysis platform covering CPA/DPA/TA/CA methods, which could effectively reveal the secret keys on security chips. Our work integrates power analysis, electromagnetic analysis...
Fault attack is a kind of attack that the attacker injects faults into the hardware and the secret key is likely to be revealed. The paper will describe a fault attack platform for smart card. This platform includes PC terminal serial console software, smart card interface circuits, and smart card reader fault attack circuits. Then the fault platform could communicate with the contact smart card or...
Information security is very important for the smart cards. Electromagnetic analysis (EMA) attack is a common method of side channel attacks which is a serious threat for the security of smart cards. So it is necessary to build a system to estimate the ability of the smart card to resist EMA attack. In this paper, an automatic EMA system for smart cards is designed and implemented. This system can...
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