@misc{cryptoeprint:2020:359, author = {Sankhanil Dey and Amlan Chakrabarti and Ranjan Ghosh}, title = {4-bit Boolean functions in generation and cryptanalysis of secure 4-bit crypto S-boxes.}, howpublished = {Cryptology ePrint Archive, Report 2020/359}, year = {2020}, url = {https://eprint.iacr.org/2020/359}, }