Journal of Applied Mathematics & Bioinformatics

Modification and customization of cryptographic algorithms

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•                                Abstract

   

  At the beginning of this study, we examine the different methods of cryptographic algorithm modifications and we separate them into two major categories, the “internal” and “external” modification. After this, we focus on external algorithm modification and we propose a multiple encryption scheme for the weigh between the performance and the security of the algorithm. And finally, we introduce the concept of dynamic algorithm cascading with which we can increase the security of multiple encryption.

   

  Mathematics Subject Classification: cryptographic algorithm, cryptanalytic attacks.

  Keywords: 94A60