Fusion: Practice and Applications FPA 2692-4048 2770-0070 10.54216/FPA https://www.americaspg.com/journals/show/1652 2018 2018 The Applications of Fusion Neutrosophic Number Theory in Public Key Cryptography and the Improvement of RSA Algorithm Department of Mathematics, Gaziantep University, Gaziantep, Turkey Mehmet Merkepci Tishreen University, Department of Mathematics, Latakia, Syria Mohammad Abobala Tishreen University, Faculty Of computer engineering and automation, Latakia, Syria Ali Allouf The objective of this paper is to build the neutrosophic version of the RSA crypto-algorithm, where we use the foundations of fusion neutrosophic number theory such as neutrosophic phi-Euler's function, neutrosophic congruencies, and neutrosophic inverses to build novel algorithms for cryptography depending of famous RSA algorithm. 2023 2023 69 74 10.54216/FPA.100206 https://www.americaspg.com/articleinfo/3/show/1652