Construct a New System as a Combining Function for the LFSR in the Stream Cipher Systems Using Multiplicative Cyclic Group. Iraqi Journal of Science [Internet]. 2018 Aug. 30 [cited 2024 Jul. 22];59(3B):1490-50. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/470