Mohammad Ali Orumiehchi ha and R. Mirghadri, A Distinguish Attack on COSvd Cipher. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2007, vol. 11(11). 3530 - 3533 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/11364.