A new block cipher algorithm that adopts the magic square of the fifth order with messages of different lengths and multi-function in GF(2^8). Period. Eng. Nat. Sci. [Internet]. 2021 Aug. 31 [cited 2026 Jul. 29];9(3):568-7. Available from: https://pen.ius.edu.ba/index.php/pen/article/view/871