@misc{cryptoeprint:2019:398, author = {Daniel Apon and Dana Dachman-Soled and Huijing Gong and Jonathan Katz}, title = {Constant-Round Group Key Exchange from the Ring-LWE Assumption}, howpublished = {Cryptology ePrint Archive, Report 2019/398}, year = {2019}, url = {https://eprint.iacr.org/2019/398}, }