Discrete Logarithmic Factorial Problem and Einstein Crystal Model Based Public-Key Cryptosystem for Digital Content Confidentiality Hafiz, Muhammad Waseem ; Lee, Wai-Kong ; Hwang, Seong Oun ; Khan, Majid ; Latif, Asim Abstract Publication: IEEE Access Pub Date: 2022 DOI: 10.1109/ACCESS.2022.3207781 Bibcode: 2022IEEEA..10j2119H