@misc{cryptoeprint:2018:030, author = {Lin Lyu and Shengli Liu and Shuai Han and Dawu Gu}, title = {Tightly SIM-SO-CCA Secure Public Key Encryption from Standard Assumptions}, howpublished = {Cryptology ePrint Archive, Report 2018/030}, year = {2018}, url = {https://eprint.iacr.org/2018/030}, }