Subversion Repositories salsa20

--

-- Copyright 2012 iQUBE research

--

-- This file is part of Salsa20IpCore.

--

-- Salsa20IpCore is free software: you can redistribute it and/or modify

-- it under the terms of the GNU Lesser General Public License as published by

-- the Free Software Foundation, either version 3 of the License, or

-- (at your option) any later version.

--

-- Salsa20IpCore is distributed in the hope that it will be useful,

-- but WITHOUT ANY WARRANTY; without even the implied warranty of

-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-- GNU Lesser General Public License for more details.

--

-- You should have received a copy of the GNU Lesser General Public License

-- along with Salsa20IpCore.  If not, see <http://www.gnu.org/licenses/>.

--

-- contact: Rúa Fonte das Abelleiras s/n, Campus Universitario de Vigo, 36310, Vigo (Spain)

-- e-mail: lukasz.dzianach@iqube.es, info@iqube.es

-- 

library IEEE;

use IEEE.std_logic_1164.all;

use IEEE.NUMERIC_STD.all;

entity salsaa is

        port (

                clk : in std_logic;

                reset : in std_logic;

                key : in std_logic_vector(255 downto 0);

                nonce : in std_logic_vector(63 downto 0);

                start : in std_logic;

                data_valid : out std_logic;

                data : out std_logic_vector(31 downto 0);

                data_req : in std_logic

        );

end entity salsaa;

architecture rtl of salsaa is

signal mc_data          : std_logic_vector(511 downto 0);

signal mc_restart       : std_logic;

signal mc_busy          : std_logic;

begin

salsaa_dm_0: entity work.salsaa_dm

port map(

        clk => clk,

        reset => reset,

        -- iface for user

        data => data,

        data_req => data_req,

        data_valid => data_valid,

        -- iface to salsaa_mc

        mc_data => mc_data,

        mc_restart => mc_restart,

        mc_busy => mc_busy

);

salsaa_mc_0: entity work.salsaa_mc

port map(

        clk => clk,

        reset => reset,

        -- iface for user

        key => key,

        nonce => nonce,

        start => start,

        -- iface to salsaa_dc

        mc_data => mc_data,

        mc_restart => mc_restart,

        mc_busy => mc_busy

);

main:   process(clk) is

begin

        if (clk'event and clk='1') then

                if (reset='1') then

                else

                end if;

        end if;

end process;

end architecture rtl;