Randomized nonlinear software-oriented MDS diffusion layers

Author:

Mirzaee Shamsabad Mohammad Reza1,Dehnavi Seyed Mojtaba2,Mahmoodi Rishakani Akbar3

Affiliation:

1. Faculty of Mathematical Sciences , Shahid Beheshti University , Tehran , Iran

2. Department of Mathematical and Computer Sciences , University of Kharazmi , Tehran , Iran

3. Department of Sciences , Shahid Rajaee Teacher Training University , Tehran , Iran

Abstract

Abstract MDS diffusion layers are critical components in the design of symmetric ciphers. In this paper, after introducing some new algebraic structures, we provide new MDS matrices over special types of R-modules. With the help of the proposed methodology, we have more flexibility in designing software-oriented diffusion layers. Most notably, we construct randomized and/or nonlinear MDS diffusion layers, based upon the presented theoretical results, and discuss the resistance of the presented diffusion layers against various kinds of cryptanalysis, compared with classical linear diffusion layers.

Publisher

Walter de Gruyter GmbH

Subject

Applied Mathematics,Computational Mathematics,Computational Theory and Mathematics,Computer Networks and Communications

Reference15 articles.

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3. A. Braeken and I. A. Semaev, The ANF of the composition of addition and multiplication mod 2n{2^{n}} with a Boolean function, Fast Software Encryption, Springer, Berlin (2005), 112–125.

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