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International Journal of Computer Applications

Foundation of Computer Science (FCS), NY, USA

Year of Publication: 2017

10.5120/ijca2017914489 |

P L Sharma, Shalini Gupta and Neetu Dhiman. Construction of Maximum Distance Separable Rhotrices using Cauchy Rhotrices over Finite Fields. *International Journal of Computer Applications* 168(9):8-17, June 2017. BibTeX

@article{10.5120/ijca2017914489, author = {P. L. Sharma and Shalini Gupta and Neetu Dhiman}, title = {Construction of Maximum Distance Separable Rhotrices using Cauchy Rhotrices over Finite Fields}, journal = {International Journal of Computer Applications}, issue_date = {June 2017}, volume = {168}, number = {9}, month = {Jun}, year = {2017}, issn = {0975-8887}, pages = {8-17}, numpages = {10}, url = {http://www.ijcaonline.org/archives/volume168/number9/27901-2017914489}, doi = {10.5120/ijca2017914489}, publisher = {Foundation of Computer Science (FCS), NY, USA}, address = {New York, USA} }

### Abstract

Maximum distance separable (MDS) matrices are important in cryptography and particularly used in block ciphers due to their properties of diffusion. Rhotrices are represented by the coupled matrices. Therefore, maximum distance separable rhotrices are of much interest in the context of cryptography. In this paper, we define Cauchy rhotrix and then use it to construct MDS rhotrices over finite fields.

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### Keywords

Cauchy rhotrix, Finite field, Maximum distance separable rhotrix, Circulant rhotrix, Vandermonde rhotrix.