@misc{cryptoeprint:2021:764,
    author = {Ran Canetti and Ari Karchmer},
    title = {Covert Learning: How to Learn with an Untrusted Intermediary},
    howpublished = {Cryptology ePrint Archive, Report 2021/764},
    year = {2021},
    url = {https://eprint.iacr.org/2021/764},
}