@misc{cryptoeprint:2020:224,
    author = {Mihir Bellare and Igors Stepanovs},
    title = {Security under Message-Derived Keys: Signcryption in iMessage},
    howpublished = {Cryptology ePrint Archive, Report 2020/224},
    year = {2020},
    url = {https://eprint.iacr.org/2020/224},
}