One software tool for testing square s-boxes

Details One software tool for testing square s-boxes One software tool for testing square s-boxes

2010-09-13

arxiv.org/abs/1009.2476v1

Computer Science

Cryptography and Security

Acknowledgment-The work presented in this paper has been performed in the framework of the EU Project INDECT--grant agreement

Scientific paper

An encryption technique is widely used to keep data confidential. Most of the block symmetric algorithms use substitution functions. Often this functions use so called S-BOX matrix. In this paper author presents one software tool for testing and measuring square s-boxes. Based of information theory functions for testing static and dynamic criteria are presented. These criteria are mathematically defined for square s-boxes. Two new criteria "private criteria" a proposed and pseudo codes for they creation and testing are presented.

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