DES VHDL 的代码 module DES_top(DES_in,DES_key,DES_out); input [1:64] DES_in; input [1:64] DES_key; output [1:64] DES_out; wire [1:64] IP_a; wire [1:32] L1_L,L1_R,L2_L,L2_R,L3_L,L3_R,L4_L,L4_R,L5_L,L5_R,L6_L,L6_R,L7_L,L7_R,L8_L,L8_R, L9_L,L9_R,L10_L,L10_R,L11_L,L11_R,L12_L,L12_R,L1