Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/148698
Title: Analysis of area-efficiency vs. unrolling for eSTREAM hardware portfolio stream ciphers
Authors: Alharbi, Fares
Muhammad Khurram Hameed
Chowdhury, Anusha
Khalid, Ayesha
Chattopadhyay, Anupam
Ibrahim Tariq Javed
Keywords: Engineering::Computer science and engineering
Issue Date: 2020
Source: Alharbi, F., Muhammad Khurram Hameed, Chowdhury, A., Khalid, A., Chattopadhyay, A. & Ibrahim Tariq Javed (2020). Analysis of area-efficiency vs. unrolling for eSTREAM hardware portfolio stream ciphers. Electronics, 9(11). https://dx.doi.org/10.3390/electronics9111935
Journal: Electronics
Abstract: The demand for low resource devices has increased rapidly due to the advancements in Internet-of-things applications. These devices operate in environments that have limited resources. To ensure security, stream ciphers are implemented on hardware due to their speed and simplicity. Amongst different stream ciphers, the eSTREAM ciphers stand due to their frugal implementations. This work probes the effect of unrolling on the efficiency of eSTREAM ciphers, including Trivium, Grain (Grain 80 and Grain 128) and MICKEY (MICKEY 2.0 and MICKEY-128 2.0). It addresses the question of optimal unrolling for designing high-performance stream ciphers. The increase in the area consumption is also bench-marked. The analysis is conducted to identify efficient design principles for ciphers. We experimentally show that the resulting performance after unrolling may disagree with the theoretical prediction when the effects of technology library are considered. We report pre-layout synthesis results on 65 and 130 nm ASIC technology as well as synthesis results for Xilinx FPGA platform in support of our claim. Based on our findings, cipher design and implementation suggestions are proposed to aid hardware designers. Furthermore, we explore why and where area-efficiency for these ciphers saturate.
URI: https://hdl.handle.net/10356/148698
ISSN: 2079-9292
DOI: 10.3390/electronics9111935
Rights: © 2020 The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Journal Articles

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