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https://doi.org/10.1002/smll.202302842
Title: | Attack Resilient True Random Number Generators Using Ferroelectric-Enhanced Stochasticity in 2D Transistor | Authors: | Chien, Yu-Chieh Xiang, Heng Wang, Jianze Shi, Yufei Fong, Xuanyao Ang, Kah-Wee |
Keywords: | Science & Technology Physical Sciences Technology Chemistry, Multidisciplinary Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Physics, Condensed Matter Chemistry Science & Technology - Other Topics Materials Science Physics ferroelectric true random number generators 2D transistors SHORT-TERM-MEMORY |
Issue Date: | 20-Sep-2023 | Publisher: | WILEY-V C H VERLAG GMBH | Citation: | Chien, Yu-Chieh, Xiang, Heng, Wang, Jianze, Shi, Yufei, Fong, Xuanyao, Ang, Kah-Wee (2023-09-20). Attack Resilient True Random Number Generators Using Ferroelectric-Enhanced Stochasticity in 2D Transistor. SMALL 19 (38). ScholarBank@NUS Repository. https://doi.org/10.1002/smll.202302842 | Abstract: | By harnessing the physically unclonable properties, true random number generators (TRNGs) offer significant promises to alleviate security concerns by generating random bitstreams that are cryptographically secured. However, fundamental challenges remain as conventional hardware often requires complex circuitry design, showing a predictable pattern that is susceptible to machine learning attacks. Here, a low-power self-corrected TRNG is presented by exploiting the stochastic ferroelectric switching and charge trapping in molybdenum disulfide (MoS2) ferroelectric field-effect transistors (Fe-FET) based on hafnium oxide complex. The proposed TRNG exhibits enhanced stochastic variability with near-ideal entropy of ≈1.0, Hamming distance of ≈50%, independent autocorrelation function, and reliable endurance cycle against temperature variations. Furthermore, its unpredictable feature is systematically examined by machine learning attacks, namely the predictive regression model and the long-short-term-memory (LSTM) approach, where nondeterministic predictions can be concluded. Moreover, the generated cryptographic keys from the circuitry successfully pass the National Institute of Standards and Technology (NIST) 800–20 statistical test suite. The potential of integrating ferroelectric and 2D materials is highlighted for advanced data encryption, offering a novel alternative to generate truly random numbers. | Source Title: | SMALL | URI: | https://scholarbank.nus.edu.sg/handle/10635/245740 | ISSN: | 1613-6810 1613-6829 |
DOI: | 10.1002/smll.202302842 |
Appears in Collections: | Staff Publications Elements |
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