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- Ruchi Gode, Sugata Gangopadhyay
- IACR Cryptology ePrint Archive
- 2009

We study cubic monomial Boolean functions of the form Trn 1 (μx 2i+2j+1) where μ ∈ F2n . We prove that the functions of this form do not have any affine derivative if n 6= i+ j or n 6= 2i− j. Lower… (More)

- Ruchi Gode, Sugata Gangopadhyay
- Cryptography and Communications
- 2009

The rth-order nonlinearity, where r ≥ 1, of an n-variable Boolean function f, denoted by nl r (f), is defined as the minimum Hamming distance of f from all n-variable Boolean functions of degrees at… (More)

- Ruchi Gode, Sugata Gangopadhyay
- IACR Cryptology ePrint Archive
- 2010

In this paper we consider cubic bent functions obtained by Leander and McGuire (J. Comb. Th. Series A, 116 (2009) 960-970) which are concatenations of quadratic Gold functions. A lower bound of… (More)

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