A biclique attack is a meet-in-the-middle (hereafter called MITM) variant, which utilizes a biclique structure to extend the number of possibly attacked rounds by the MITM attack.
A biclique attack is a variant of the meet-in-the-middle (MITM) method of cryptanalysis. It utilizes a biclique structure to extend the number of possibly attacked rounds by the MITM attack.