Poonsuk Ponpurmpoon และ Ohm Sornil. (2021) A pairing-free identity-based cryptosystem. National Institute of Development Administration:ม.ป.ท.Poonsuk Ponpurmpoon และ Ohm Sornil. 2021. A pairing-free identity-based cryptosystem. ม.ป.ท.:National Institute of Development Administration;Poonsuk Ponpurmpoon และ Ohm Sornil. A pairing-free identity-based cryptosystem. ม.ป.ท.:National Institute of Development Administration, 2021. Print.