Liu, Weiqiang, Srivastava, Saket, Lu, Liang , O'Neill, Maire and Swartzlander, Earl E. (2013) Power analysis attack of QCA circuits: a case study of the Serpent cipher. In: Circuits and Systems (ISCAS), 2013 IEEE International Symposium on, 19-23 May 2013, Beijing, China.
Full content URL: http://dx.doi.org/10.1109/ISCAS.2013.6572282
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ISCAS 2013 - QCA Crypto.pdf - Whole Document Restricted to Registered users only 698kB |
Item Type: | Conference or Workshop contribution (Poster) |
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Item Status: | Live Archive |
Abstract
Quantum-dot cellular automata (QCA) technology is an attractive alternative to CMOS for future digital designs. A powerful attack based on power analysis has become a significant threat to the security of CMOS cryptographic circuits. As there is no current flow in QCA, the power consumption of a QCA circuit is extremely low compared to its CMOS counterpart. Therefore, in this paper an investigation is carried out to ascertain if QCA circuits could be immune to power analysis attacks based on a case study of the Serpent cipher. In comparison to a previous design, the proposed QCA implementation of a sub-module of the Serpent cipher is more efficient in terms of complexity, area and latency. By using an upper bound power model, the first power analysis attack of a QCA cryptographic circuit is presented. Simulation results show that even though the power consumption is low, it can still be correlated with the correct key guess, and all possible subkeys applied to the Serpent sub-module can be revealed in a best case scenario for attackers. The security of practical QCA devices is also discussed and could be greatly improved by applying a smoother clock.
Keywords: | Ciphers, Clocks, Integrated circuit modeling, Power demand, Quantum dots, Upper bound, QCA, Power dissipation |
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Subjects: | G Mathematical and Computer Sciences > G411 Computer Architectures F Physical Sciences > F342 Quantum Mechanics G Mathematical and Computer Sciences > G400 Computer Science F Physical Sciences > F343 Computational Physics H Engineering > H600 Electronic and Electrical Engineering H Engineering > H610 Electronic Engineering |
Divisions: | College of Science > School of Computer Science College of Science > School of Engineering |
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ID Code: | 11594 |
Deposited On: | 12 Aug 2013 08:21 |
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