@misc{cryptoeprint:2020:715,
    author = {Sergij V. Goncharov},
    title = {On (impracticality of) transfinite symmetric encryption with keys smaller than messages under GCH},
    howpublished = {Cryptology ePrint Archive, Report 2020/715},
    year = {2020},
    url = {https://eprint.iacr.org/2020/715},
}