KeyStore.vhd

library ieee ;
	use ieee.std_logic_1164.all ;
	use ieee.numeric_std.all ;

entity KeyStore is
  port (
	clock : IN STD_LOGIC;
	keyIn : IN STD_LOGIC_VECTOR(63 DOWNTO 0);
	keyOut : OUT STD_LOGIC_VECTOR(63 DOWNTO 0)
  ) ;
end entity ; -- KeyStore

architecture arch of KeyStore is
	SIGNAL sr0Out, sr1Out, sr2Out, sr3Out, sr4Out, sr5Out, sr6Out, sr7Out, 
		sr8Out, sr9Out, sr10Out, sr11Out, sr12Out, sr13Out, sr14Out, 
		sr15Out, sr16Out, sr17Out, sr18Out, sr19Out, sr20Out, sr21Out, 
		sr22Out, sr23Out, sr24Out, sr25Out, sr26Out, sr27Out, sr28Out, 
		sr29Out, sr30Out, sr31Out, sr32Out, sr33Out, sr34Out, sr35Out, 
		sr36Out : STD_LOGIC_VECTOR(63 DOWNTO 0);
begin
	if (clock'EVENT AND clock='1') then
		sr36Out <= keyIn;
		sr0Out <= sr1Out;
		sr1Out <= sr2Out;
		sr2Out <= sr3Out;
		sr3Out <= sr4Out;
		sr4Out <= sr5Out;
		sr5Out <= sr6Out;
		sr6Out <= sr7Out;
		sr7Out <= sr8Out;
		sr8Out <= sr9Out;
		sr9Out <= sr10Out;;
		sr10Out <= sr11Out;
		sr11Out <= sr12Out;
		sr12Out <= sr13Out;
		sr13Out <= sr14Out;
		sr14Out <= sr15Out;
		sr15Out <= sr16Out;
		sr16Out <= sr17Out;
		sr17Out <= sr18Out;
		sr18Out <= sr19Out;
		sr19Out <= sr20Out;
		sr20Out <= sr21Out;
		sr21Out <= sr22Out;
		sr22Out <= sr23Out;
		sr23Out <= sr24Out;
		sr24Out <= sr25Out;
		sr25Out <= sr26Out;
		sr26Out <= sr27Out;
		sr27Out <= sr28Out;
		sr28Out <= sr29Out;
		sr29Out <= sr30Out;
		sr30Out <= sr31Out;
		sr31Out <= sr32Out;
		sr32Out <= sr33Out;
		sr33Out <= sr34Out;
		sr34Out <= sr35Out;
		sr35Out <= sr36Out;
		keyOut <= sr36Out;
	end if;
end architecture ; -- arch