Research on the Bit Transform and Count of the MDS Matrix

ZHOU Xuan,ZHANG Xin,QU Chengqin

doi:10.3969/j.issn.1007130X.2010.

Computer Engineering & Science >

2010 , Vol. 32 >Issue 4: 33 - 35

DOI: https://doi.org/10.3969/j.issn.1007130X.2010.

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Research on the Bit Transform and Count of the MDS Matrix

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(Naval Institute of Computation Technology,Beijing 100841,China)

Received date: 2008-12-07

Revised date: 2009-03-27

Online published: 2010-03-28

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Abstract

In this paper, firstly, we study the bit transform characteristics of some MDS matrices, and get the result that the bit parity of output is equal to that of input, then we prove the result. Secondly, we give the formula of computing the number of the MDS matrix, and prove the formula simultaneously. The experimental results accord well with the theoretical inference results.

Key words： MDS matrix;RIJNDAEL;bit transform;count

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ZHOU Xuan,ZHANG Xin,QU Chengqin . Research on the Bit Transform and Count of the MDS Matrix[J]. Computer Engineering & Science, 2010 , 32(4) : 33 -35 . DOI: 10.3969/j.issn.1007130X.2010.

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