Welcome to the resource topic for 2019/739
Title:
A Survey on Authenticated Encryption – ASIC Designer’s Perspective
Authors: Elif Bilge Kavun, Hristina Mihajloska, Tolga Yalcin
Abstract:Authenticated encryption (AE) has been a vital operation in cryptography due to its ability to provide confidentiality, integrity, and authenticity at the same time. Its use has soared in parallel with widespread use of the Internet and has led to several new schemes. There have been studies investigating software performance of various schemes. However, the same is yet to be done for hardware. We present a comprehensive survey of hardware (specifically ASIC) performance of the most commonly used AE schemes in the literature. These schemes include encrypt-then-MAC combination, block cipher based AE modes, and the recently-introduced permutation-based AE scheme. For completeness, we implemented each scheme with various standardized block ciphers and/or hash algorithms, and their lightweight versions. Our evaluation targets minimizing the time-area product while maximizing the throughput on an ASIC platform. We used 45nm NANGATE Open Cell Library for syntheses. We present area, speed, time-area product, throughput, and power figures for both standard and lightweight versions of each scheme. We also provide an unbiased discussion on the impact of the structure and complexity of each scheme on hardware implementation. Our results reveal 13-30% performance boost in permutation-based AE compared to conventional schemes and they can be used as a benchmark in the ongoing AE competition CAESAR.
ePrint: https://eprint.iacr.org/2019/739
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