<abstract xmlns="http://www.w3.org/1999/xhtml"><p> π-Cipher, designed by Gligoroski et al., is a second round candidate of the CAESAR competition. The designers analyzed the bit diffusion of the cipher by examining the * operation and 1 round π-function. We improve this analysis by applying Strict Avalanche Criterion (SAC) test to * operation and reduced round versions of π-function for π 16-Cipher. We found out that * operation fails SAC test whereas all versions of π-function for π 16-Cipher pass the test.</p></abstract>

π-Cipher, designed by Gligoroski et al., is a second round candidate of the CAESAR competition. The designers analyzed the bit diffusion of the cipher by examining the * operation and 1 round π-function. We improve this analysis by applying Strict Avalanche Criterion (SAC) test to * operation and reduced round versions of π-function for π 16-Cipher. We found out that * operation fails SAC test whereas all versions of π-function for π 16-Cipher pass the test.

Improvement on Bit Diffusion Analysis of π-Cipher

Tatra Mountains Mathematical Publications

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Improvement on Bit Diffusion Analysis of π-Cipher"}

π-Cipher, designed by Gligoroski et al., is a second round candidate of the CAESAR competition. The designers analyzed the bit diffusion of the cipher by...

Improvement on Bit Diffusion Analysis of π-Cipher

Published Online: Mar 23, 2018

Page range: 139 - 149

Received: Sep 28, 2016

DOI: https://doi.org/10.1515/tmmp-2017-0023

Keywords
The CAESAR competition, π-Cipher, bit diffusion analysis, Strict Avalanche Criterion (SSAC) test

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Improvement on Bit Diffusion Analysis of π-Cipher

Published Online: Mar 23, 2018

Page range: 139 - 149

Received: Sep 28, 2016

DOI: https://doi.org/10.1515/tmmp-2017-0023

KeywordsThe CAESAR competition, π-Cipher, bit diffusion analysis, Strict Avalanche Criterion (SSAC) test

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
The CAESAR competition, π-Cipher, bit diffusion analysis, Strict Avalanche Criterion (SSAC) test