evolve_key_256_tb.v

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module evolve_key_256_tb ();

reg [255:0] key_in = {
	128'h603deb1015ca71be2b73aef0857d7781,
	128'h1f352c073b6108d72d9810a30914dff4
};

wire [255:0] e0_out,e1_out,e2_out,e3_out,e4_out;

evolve_key_256 e0 (
	.key_in(key_in),
	.rconst(8'h01),
	.key_out(e0_out)
);
defparam e0 .KEY_EVOLVE_TYPE = 0;

evolve_key_256 e1 (
	.key_in(e0_out),
	.rconst(8'h01),
	.key_out(e1_out)
);
defparam e1 .KEY_EVOLVE_TYPE = 1;

evolve_key_256 e2 (
	.key_in(e1_out),
	.rconst(8'h02),
	.key_out(e2_out)
);
defparam e2 .KEY_EVOLVE_TYPE = 0;

evolve_key_256 e3 (
	.key_in(e2_out),
	.rconst(8'h02),
	.key_out(e3_out)
);
defparam e3 .KEY_EVOLVE_TYPE = 1;

evolve_key_256 e4 (
	.key_in(e3_out),
	.rconst(8'h04),
	.key_out(e4_out)
);
defparam e4 .KEY_EVOLVE_TYPE = 0;


initial begin
	#100
	$display ("%x / 603deb10",key_in[255:128]);
	$display ("%x / 1f352c07",e0_out[255:128]);
	$display ("%x / 9ba35411",e1_out[255:128]);
	$display ("%x / a8b09c1a",e2_out[255:128]);
	$display ("%x / d59aecb8",e3_out[255:128]);
	$display ("%x / b5a9328a",e4_out[255:128]);
	$stop();
end

endmodule