article · 2007
The Block Cipher
Square Joan, Joan Daemen, Lars Knudsen, Vincent Rijmen
Cited by 0Abstract and details only
Abstract
. In this paper we present a new 128-bit block cipher called Square. The original design of Square concentrates on the resistance against differential and linear cryptanalysis. However, after the initial design a dedicated attack was mounted that forced us to augment the number of rounds. The goal of this paper is the publication of the resulting cipher for public scrutiny. A C implementation of Square is available that runs at 2.63 MByte/s on a 100 MHz Pentium. Our M68HC05 Smart Card implementation fits in 547 bytes and takes less than 2 msec. (4 MHz Clock). The high degree of parallellism allows hardware implementations in the Gbit/s range today. 1 Introduction In this paper, we propose the block cipher Square. It has a block length and key length of 128 bits. However, its modular design approach allows extensions to higher block lengths in a straightforward way. The cipher has a new selfreciprocal structure, similar to that of Threeway and SHARK [2, 15]. The structure of the ciphe...
Cite this paper
Joan, S., Daemen, J., Knudsen, L., & Rijmen, V. (2007). The Block Cipher.
Joan, Square, et al. “The Block Cipher.” 2007.
Joan, Square, Joan Daemen, Lars Knudsen, and Vincent Rijmen. 2007. “The Block Cipher.”
Joan, S. et al. (2007) ‘The Block Cipher’.
@article{joan2007block,
title = {{The Block Cipher}},
author = {Joan, Square and Daemen, Joan and Knudsen, Lars and Rijmen, Vincent},
year = {2007}
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