This paper proposes two new methods of key space partitioning for the cryptanalysis of block ciphers. The first one is called combined methodology of key space partition (CoMeKSPar). which allows us to simultaneously set some of the first and last consecutive bits of the key. In this way. https://www.lightemupsequences.com/mega-sale-Sky-Blue-Jade-Gemstone-Bracelet-with-Inner-Beauty-Sterling-Silver-Charm-mega-offer/