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Open AccessArticle

New RSA Encryption Mechanism Using One-Time Encryption Keys and Unpredictable Bio-Signal for Wireless Communication Devices

by Hoyoung Yu 1 and Youngmin Kim 2,*
1
Department of Computer Engineering, Kwangwoon University, Seoul 01897, Korea
2
School of Electronic and Electrical Engineering, Hongik University, Seoul 04066, Korea
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(2), 246; https://doi.org/10.3390/electronics9020246
Received: 6 December 2019 / Revised: 6 January 2020 / Accepted: 28 January 2020 / Published: 2 February 2020
(This article belongs to the Special Issue Design and Application of Biomedical Circuits and Systems)
Applying the data encryption method used in conventional personal computers (PC) to wireless communication devices such as IoT is not trivial. Because IoT equipment is extremely slow in transferring data and has a small hardware area compared with PCs, it is difficult to transfer large data and perform complicated operations. In particular, it is difficult to apply the RSA encryption method to wireless communication devices because it guarantees the stability of data encryption because it is difficult to factor extremely large prime numbers. Furthermore, it has become even more difficult to apply the RSA encryption method to IoT devices as a paper recently published indicated that it enables rapid fractional decomposition when using RSA encryption with a prime number generated through several pseudo-random number generators. To compensate for the disadvantages of RSA encryption, we propose a method that significantly reduces the encryption key using a true prime random number generator (TPRNG), which generates a prime number that cannot be predicted through bio-signals, and a disposable RSA encryption key. TPRNG has been verified by the National Institute of Standards and Technology. The NIST test and an RSA algorithm are implemented through Verilog. View Full-Text
Keywords: RSA; bio-signal; TRNG; data encryption; IoT; wireless communication RSA; bio-signal; TRNG; data encryption; IoT; wireless communication
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Yu, H.; Kim, Y. New RSA Encryption Mechanism Using One-Time Encryption Keys and Unpredictable Bio-Signal for Wireless Communication Devices. Electronics 2020, 9, 246.

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