@misc{cryptoeprint:2015:079,
    author = {Jiqiang Lu},
    title = {On the Security of the COPA and Marble Authenticated Encryption Algorithms against (Almost) Universal Forgery Attack},
    howpublished = {Cryptology ePrint Archive, Report 2015/079},
    year = {2015},
    url = {https://eprint.iacr.org/2015/079},
}