Cryptology ePrint Archive: Report 2013/188

A family of 6-to-4-bit S-boxes with large linear branch number

Daniel Loebenberger and Michael Nüsken

Abstract: We propose a family of 6-to-4-bit S-boxes with linear branch number 3. Since they also fulfill various further desirable properties, such S-boxes can serve as a building block for various block ciphers.

Category / Keywords: secret-key cryptography / DES, S-box, branch number

Date: received 2 Apr 2013

Contact author: daniel at bit uni-bonn de

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Version: 20130402:145122 (All versions of this report)

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