SBOXDiscovery: Brute-force search algorithm for Bitslice DES S-box functions with Nvidia Maxwell LOP3.LUT instructions written in C#. Algorithm based on Kwan, Matthew. ”Reducing the Gate Count of Bitslice DES.” IACR Cryptology ePrint Archive 2000 (2000): 51. with heavy modification and adaption to look-up table instructions.