IJSTR >> Volume 9 - Issue 2, February 2020 Edition

[Full Text]

AUTHOR(S)

Deepti Sehrawat, Nasib Singh Gill

KEYWORDS

32-bit cipher, IoT security, lightweight block cipher, ultra-lightweight block cipher, Ultra BRIGHT, UBRIGHT.

ABSTRACT

IoT provides a virtual view of real-life things in a smart environment where security and privacy are of prime concern. Lightweight cryptography is aimed to provide security solutions in IoT based applications. Various algorithms have been presented in this area which are either software-based implementation or hardware-based implementation of lightweight ciphers. In this paper, a software-oriented 32-bit ultra-lightweight block cipher, named UBRIGHT, is proposed for a resource-constrained smart environment. The performance of the proposed cipher, UBRIGHT is assessed in this paper and it fulfills SAC, key sensitivity test, and randomness test. The results of the performance evaluation of the proposed cipher’s show that it requires low memory and has good speed.

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