@misc{cryptoeprint:2017:447,
    author = {Huige Li and  Haibo Tian and Fangguo Zhang},
    title = {Block Chain based Searchable Symmetric Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2017/447},
    year = {2017},
    url = {https://eprint.iacr.org/2017/447},
}