Round function The round function is g(L1R1)K1)=(L1,R), Where Li=Ri andri=li o f(ril, Ki) 1515 Round function The round function is: g([Li-1 ,Ri-1 ]),Ki ) = (Li ,Ri ), where Li = Ri-1 and Ri = Li-1  f (Ri-1 , Ki )