@misc{cryptoeprint:2017:1161,
    author = {Sankhanil  Dey and Ranjan Ghosh},
    title = {A Review of Existing 4-bit Crypto S-box cryptanalysis Techniques and Two New Techniques with 4-bit Boolean Functions for Cryptanalysis of 4-bit Crypto  S-boxes. },
    howpublished = {Cryptology ePrint Archive, Report 2017/1161},
    year = {2017},
    url = {https://eprint.iacr.org/2017/1161},
}