Hyeongmin Park, Taeeun Kim, Gaeul Kim, Wonyoung Jang, Kyungroul Lee, Sun-Young Lee. Improvement of QR Code Access Control System Based on Lamport Hash Chain. In Leonard Barolli, Fatos Xhafa, Omar Khadeer Hussain, editors, Innovative Mobile and Internet Services in Ubiquitous Computing - Proceedings of the 13th International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2019), Sydney, NSW, Australia, 3-5 July 2019. Volume 994 of Advances in Intelligent Systems and Computing, pages 824-833, Springer, 2019. [doi]
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