mux_loader.vhd.bak

--entity name: mux_loader
-- Stephen Carter


entity mux_loader is
	port(	encrypt	:	in std_logic;
	
			k11		:	in std_logic_vector(3 downto 0);
			k12		:	in std_logic_vector(3 downto 0);
			k13		:	in std_logic_vector(3 downto 0);
			
			k21		:	in std_logic_vector(3 downto 0);
			k22		:	in std_logic_vector(3 downto 0);
			k23		:	in std_logic_vector(3 downto 0);
			
			k31		:	in std_logic_vector(3 downto 0);
			k32		:	in std_logic_vector(3 downto 0);
			k33		:	in std_logic_vector(3 downto 0);
			
			ek11		:	in std_logic_vector(3 downto 0);
			ek12		:	in std_logic_vector(3 downto 0);
			ek13		:	in std_logic_vector(3 downto 0);
			
			ek21		:	in std_logic_vector(3 downto 0);
			ek22		:	in std_logic_vector(3 downto 0);
			ek23		:	in std_logic_vector(3 downto 0);
			
			ek31		:	in std_logic_vector(3 downto 0);
			ek32		:	in std_logic_vector(3 downto 0);
			ek33		:	in std_logic_vector(3 downto 0);
			
			s11		:	out std_logic_vector(3 downto 0);
			s12		:	out std_logic_vector(3 downto 0);
			s13		:	out std_logic_vector(3 downto 0);
			
			s21		:	out std_logic_vector(3 downto 0);
			s22		:	out std_logic_vector(3 downto 0);
			s23		:	out std_logic_vector(3 downto 0);
			
			s31		:	out std_logic_vector(3 downto 0);
			s32		:	out std_logic_vector(3 downto 0);
			s33		:	out std_logic_vector(3 downto 0)
			
		);
end mux_loader;
		
architecture implementation of mux_loader is

begin

	case encrypt is
		when '1' =>
			s11 <= k11;
			s12 <= k12;
			s13 <= k13;
			
			s21 <= k21;
			s22 <= k22;
			s23 <= k23;
			
			s31 <= k31;
			s32 <= k32;
			s33 <= k33;
		when '0' =>
			s11 <= ek11;
			s12 <= ek12;
			s13 <= ek13;
			
			s21 <= ek21;
			s22 <= ek22;
			s23 <= ek23;
			
			s31 <= ek31;
			s32 <= ek32;
			s33 <= ek33;

end implementation;