Hossam El-din H. Ahmed and  Hamdy M. Kalash and  Osama S. Farag Allah,  Implementation of RC5 Block Cipher Algorithm for Image Cryptosystems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2007, vol. 8(8). 2429 - 2434
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/1943.