-----------------------------------------------------------------------------------
-- Stream Cipher Package
-- Author       : Tam Paredes
-- File Name    : stream_cipher_pkg.vhd
-- Description  : Package file containing the stream cipher component declarations.
-----------------------------------------------------------------------------------

library ieee;
use ieee.std_logic_1164.all;

package stream_cipher_pkg is

	component reg2_1
    	port(inputA	: in std_logic;
			 inputB	: in std_logic;
			 clock	: in std_logic;
			 reset  : in std_logic;
          	 outputA: out std_logic;
			 outputB: out std_logic
			);
	end component reg2_1;

	component key_generator
		port(clock	: in std_logic;
			 reset	: in std_logic;
			 enable : in std_logic;
			 output	: out std_logic;
			 valid	: out std_logic
			);
	end component key_generator;

	component mux2_1
		port(inputA	: in std_logic;
             inputB : in std_logic;
             sel    : in std_logic;
             output : out std_logic
        	);
	end component mux2_1;

	constant degreeA: positive := 13;
	component shift_reg13
		port(clock	: in std_logic;
			 reset	: in std_logic;
			 enable : in std_logic;
			 output	: out std_logic
			);
	end component shift_reg13;

	constant degreeB: positive := 11;
	component shift_reg11
		port(clock	: in std_logic;
			 reset	: in std_logic;
			 enable : in std_logic;
			 output	: out std_logic
			);
	end component shift_reg11;

	constant degreeC: positive := 8;
	component shift_reg8
		port(clock	: in std_logic;
			 reset	: in std_logic;
			 enable : in std_logic;
			 output	: out std_logic
			);
	end component shift_reg8;

end package stream_cipher_pkg;