Power Analysis Attacks And Cryptographic Circuit Design In Quantum-Dot Technology

Quantum-dot Cellular Automata (QCA) has emerged as a promising nanotechnology for ultra-low-power and high-speed cryptographic circuit design. However, its vulnerability to power analysis attacks (PAA) remains a critical concern. This paper reviews existing QCA-based cryptographic implementations, including the Serpent cipher, A5/1 stream cipher, and True Random Number Generators (TRNGs), analyzing their resistance to side-channel attacks. We evaluate power consumption models, security trade-offs, and novel design methodologies for secure nanocommunication.

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