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Paper 2014/110

Halka: A Lightweight, Software Friendly Block Cipher Using Ultra-lightweight 8-bit S-box

Sourav Das

Abstract

This paper presents the design of a lightweight, yet software friendly, block cipher. Most of the lightweight block ciphers are nibble-oriented as the implementation of a 4-bit S-box is much more compact than an 8-bit S-box. This paper uses a novel implementation of multiplicative inverse for 8-bit S-boxes using LFSR requiring only 138 gate-equivalent. With this powerful scheme, we design a lightweight block cipher competitive with existing standards in terms of hardware gate equivalent first time using an 8-bit S-box.

Note: In submission

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint. MINOR revision.
Keywords
Multiplicative InverseAESLFSRLightweight CryptographyPRESENT
Contact author(s)
sourav10101976 @ gmail com
History
2014-03-11: revised
2014-02-16: received
See all versions
Short URL
https://ia.cr/2014/110
License
Creative Commons Attribution
CC BY
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