Cryptology ePrint Archive: Report 2003/134

Direct Sum of Non Normal and Normal Bent Functions Always Produces Non Normal Bent Functions

Sugata Gangopadhyay and Subhamoy Maitra

Abstract: Prof. Claude Carlet has pointed out an error in Theorem 1 of the paper. The error could not be recovered for the time being. Thus the statement presented in the title of the paper is not proved.

Category / Keywords: secret-key cryptography /

Date: received 9 Jul 2003, withdrawn 18 Jul 2003

Contact author: subho at isical ac in

Available format(s): (-- withdrawn --)

Note: Prof. Claude Carlet has pointed out an error in Theorem 1 of the paper. The error could not be recovered for the time being. Thus the statement presented in the title of the paper is not proved.

Version: 20030718:124941 (All versions of this report)

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