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Authors: Jaydeb Bhaumik 1 and Dipanwita Roy Chowdhury 2

Affiliations: 1 G. S. Sanyal School of Telecommunications, India ; 2 Indian Institute of Technology, India

Keyword(s): Boolean function, Nonlinearity, Reversibility.

Related Ontology Subjects/Areas/Topics: Cryptographic Techniques and Key Management ; Information and Systems Security ; Shannon Theory

Abstract: Boolean functions play an important role in cryptography. In this paper, a Boolean function ‘Nmix’ has been proposed which is balanced, reversible and highly nonlinear in nature. It has been proved that the bias of each of the bits decrease exponentially with the bit position. Thus the Boolean function provides high resistance against linear cryptanalysis compared to addition modulo 2n, the popularly known non-linear function used in cryptographic primitives. The cryptographic properties of Nmix are compared with similar cryptographic functions and the result justify to select it as as an ideal choice for key mixing.

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Paper citation in several formats:
Bhaumik, J. and Roy Chowdhury, D. (2009). NMIX: AN IDEAL CANDIDATE FOR KEY MIXING. In Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT; ISBN 978-989-674-005-4; ISSN 2184-3236, SciTePress, pages 285-288. DOI: 10.5220/0002260702850288

@conference{secrypt09,
author={Jaydeb Bhaumik. and Dipanwita {Roy Chowdhury}.},
title={NMIX: AN IDEAL CANDIDATE FOR KEY MIXING},
booktitle={Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT},
year={2009},
pages={285-288},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002260702850288},
isbn={978-989-674-005-4},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT
TI - NMIX: AN IDEAL CANDIDATE FOR KEY MIXING
SN - 978-989-674-005-4
IS - 2184-3236
AU - Bhaumik, J.
AU - Roy Chowdhury, D.
PY - 2009
SP - 285
EP - 288
DO - 10.5220/0002260702850288
PB - SciTePress