@misc{cryptoeprint:2016:075,
    author = {Gajraj Kuldeep and Devendra Kumar Yadav and A. K. Sharma },
    title = {Weaknesses in Hadamard Based Symmetric Key Encryption Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2016/075},
    year = {2016},
    url = {https://eprint.iacr.org/2016/075},
}