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// this is the testbench file for key_perm module
 
`timescale 10ns/1ns
module key_perm_tb;
 
integer ofile;
 
reg  [63:0]i_key;
wire [63:0]o_key;
 
initial
begin
        // read the input key
        $read_data(
                                "../test_dat/key_perm.in"
                               ,i_key
                  );
        #10;
 
        // output the permated key
        $write_data(
                        "../test_dat/key_perm.out.v"
                       ,"w"
                       ,o_key
                   );
        $finish;
end
 
key_perm k(
                 .i_key(i_key)
                ,.o_key(o_key)
        );
 
endmodule