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Paper 2014/326

FeW: A Lightweight Block Cipher

Manoj Kumar and Saibal K Pal and Anupama Panigrahi

Abstract

In this paper, we propose a new lightweight block cipher called FeW which encrypts 64-bit plaintext using key size 80/128 bits and produces 64-bit ciphertext. FeW is a software oriented design with the aim of achieving high efficiency in software based environments. We use a mix of Feistel and generalised Feistel structures (referred as Feistel-M structure hereinafter) to enhance the security of our design against basic cryptanalytic attacks like differential, linear, impossible differential and zero correlation attacks. Security analysis of this scheme proves its strength against present day cryptanalytic attacks.

Note: nil

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint.
Keywords
Block CipherFeistel structureGeneralised Feistel structureLightweight CryptographySPN
Contact author(s)
mktalyan @ yahoo com
History
2019-04-09: withdrawn
2014-05-12: received
See all versions
Short URL
https://ia.cr/2014/326
License
Creative Commons Attribution
CC BY
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