@misc{cryptoeprint:2019:271,
    author = {Jintai Ding and  Chi Cheng and Yue Qin},
    title = {A Simple Key Reuse Attack on  LWE and Ring LWE  Encryption Schemes as  Key Encapsulation Mechanisms (KEMs)},
    howpublished = {Cryptology ePrint Archive, Report 2019/271},
    year = {2019},
    url = {https://eprint.iacr.org/2019/271},
}