Next Article in Journal
Secondary Freeform Lens Device Design with Stearic Acid for A Low-Glare Mosquito-Trapping System with Ultraviolet Light-Emitting Diodes
Previous Article in Journal
Accurate Rigid Body Localization Using DoA Measurements from a Single Base Station
Open AccessArticle

A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology

Group of Electronic Design, University of Zaragoza, 50009 Zaragoza, Spain
Author to whom correspondence should be addressed.
Electronics 2019, 8(6), 623;
Received: 15 May 2019 / Revised: 28 May 2019 / Accepted: 29 May 2019 / Published: 1 June 2019
(This article belongs to the Section Circuit and Signal Processing)
In this work, a novel chaos-based stream cipher based on a skew tent map is proposed and implemented in a 0.18 μm CMOS (Complementary Metal-Oxide-Semiconductor) technology. The proposed ciphering algorithm uses a linear feedback shift register that perturbs the orbits generated by the skew tent map after each iteration. This way, the randomness of the generated sequences is considerably improved. The implemented stream cipher was capable of achieving encryption speeds of 1 Gbps by using an approximate area of ~ 20 , 000 2-NAND equivalent gates, with a power consumption of 24.1 mW. To test the security of the proposed cipher, the generated keystreams were subjected to National Institute of Standards and Technology (NIST) randomness tests, proving that they were undistinguishable from truly random sequences. Finally, other security aspects such as the key sensitivity, key space size, and security against reconstruction attacks were studied, proving that the stream cipher is secure. View Full-Text
Keywords: stream cipher; PRNG; cryptography; chaotic map; skew tent map stream cipher; PRNG; cryptography; chaotic map; skew tent map
Show Figures

Figure 1

MDPI and ACS Style

Garcia-Bosque, M.; Díez-Señorans, G.; Pérez-Resa, A.; Sánchez-Azqueta, C.; Aldea, C.; Celma, S. A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology. Electronics 2019, 8, 623.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

Back to TopTop