TY - JOUR T1 - Public Key Cryptosystem Based on Graph Theory AU - Al Saffar, Najlae Falah Hameed JO - Journal of Engineering and Applied Sciences VL - 14 IS - 1 SP - 219 EP - 223 PY - 2019 DA - 2001/08/19 SN - 1816-949x DO - jeasci.2019.219.223 UR - https://makhillpublications.co/view-article.php?doi=jeasci.2019.219.223 KW - exchanging KW -confidence KW -receive KW -trees KW -graph theory KW -Public key cryptosystem AB - This study presents a new type of public key cryptosystem, send and receive a secure a written message using English letters frequencies and some properties of graph theory. Experiment results of this type of public key cryptosystem increased the level confidence for exchanging messages. ER -