Subversion Repositories md5

/********************************************************************************

* Module Name : md5_top

* Description : MD5 computation  top level

*

*

********************************************************************************

*          Esencia Technology Proprietary and Confidential

*          All rights reserved (c) 2004 by Esencia Technolgy

********************************************************************************/

module md5_top (

               //Inputs

                 clk,

                 rst_n,

                 dataVld,

                 dataIn,

                //from adders

                 ResStateAReg,

                 ResStateBReg,

                 ResStateCReg,

                 ResStateDReg,

                 AddRes1,

                 AddRes2,

                // from Register file

                 StateAReg,

                 StateBReg,

                 StateCReg,

                 StateDReg,

                 BlockData,

               //Outputs

                // To Adders

                 Md5FuncValue,

                 TValue,

                 XValue,

                 AddendState1,

                 AddendState2,

                 ShiftedAddend,

                 RoundNum,

                // To Register file

                 Md5Data,

                 StateAComb,

                 StateBComb,

                 StateCComb,

                 StateDComb,

                //final output

                 msgDgstVld,

                 msgDigest

                );

`include "ah_params.vh"

`include "md5_params.vh"

input                                clk;

input                                rst_n;

input                                dataVld;

input  [DATA_WIDTH - 1:0]            dataIn;

input  [STATE_DWIDTH - 1:0]          ResStateAReg;

input  [STATE_DWIDTH - 1:0]          ResStateBReg;

input  [STATE_DWIDTH - 1:0]          ResStateCReg;

input  [STATE_DWIDTH - 1:0]          ResStateDReg;

input  [STATE_DWIDTH - 1:0]          AddRes1;

input  [STATE_DWIDTH - 1:0]          AddRes2;

input  [STATE_DWIDTH - 1:0]          StateAReg;

input  [STATE_DWIDTH - 1:0]          StateBReg;

input  [STATE_DWIDTH - 1:0]          StateCReg;

input  [STATE_DWIDTH - 1:0]          StateDReg;

input  [BLOCK_SIZE-1:0]              BlockData;

output [STATE_DWIDTH - 1:0]          Md5FuncValue;

output [STATE_DWIDTH - 1:0]          TValue;

output [DATA_WIDTH - 1 :0]           XValue;

output [STATE_DWIDTH - 1:0]          AddendState1;

output [STATE_DWIDTH - 1:0]          AddendState2;

output [STATE_DWIDTH - 1:0]          ShiftedAddend;

output [STATE_DWIDTH - 1:0]          StateAComb;

output [STATE_DWIDTH - 1:0]          StateBComb;

output [STATE_DWIDTH - 1:0]          StateCComb;

output [STATE_DWIDTH - 1:0]          StateDComb;

output [DATA_WIDTH - 1:0]            Md5Data;

output [5:0]                         RoundNum;

output                               msgDgstVld;

output [DATA_WIDTH -1:0]             msgDigest;

wire  [5:0]                         RoundNum;

wire [DATA_WIDTH - 1:0]             Md5Data;

wire [STATE_DWIDTH - 1:0]          Md5FuncValue;

wire [STATE_DWIDTH - 1:0]          TValue;

wire [DATA_WIDTH - 1 :0]           XValue;

wire [STATE_DWIDTH - 1:0]          AddendState1;

wire [STATE_DWIDTH - 1:0]          AddendState2;

wire [STATE_DWIDTH - 1:0]          ShiftedAddend;

wire [STATE_DWIDTH - 1:0]          StateAComb;

wire [STATE_DWIDTH - 1:0]          StateBComb;

wire [STATE_DWIDTH - 1:0]          StateCComb;

wire [STATE_DWIDTH - 1:0]          StateDComb;

wire                               DataVldExt;

md5_ctrl u_md5_ctrl_0 (

                      //Inputs

                      .clk(clk),

                      .rst_n(rst_n),

                      .DataVld(dataVld),

                      .DataIn(dataIn),

                      .ResStateAReg(ResStateAReg),

                      .ResStateBReg(ResStateBReg),

                      .ResStateCReg(ResStateCReg),

                      .ResStateDReg(ResStateDReg),

                      //Outputs

                      .MsgDgstVld(msgDgstVld),

                      .MsgDigest(msgDigest),

                      .DataVldExt(DataVldExt),

                      .Md5Data(Md5Data),

                      .RoundNum(RoundNum)

                     );

md5_comb u_md5_comb_0 (

                       //Inputs

                       .RoundNum(RoundNum),

                       .StateAReg(StateAReg),

                       .StateBReg(StateBReg),

                       .StateCReg(StateCReg),

                       .StateDReg(StateDReg),

                       .BlockIn(BlockData),

                       .DataVld(DataVldExt),

                       .DataIn(dataIn),

                       .AddRes1(AddRes1),

                       .AddRes2(AddRes2),

                       //Outputs

                       .Md5FuncValue(Md5FuncValue),

                       .TValue(TValue),

                       .XValue(XValue),

                       .StateAComb(StateAComb),

                       .StateBComb(StateBComb),

                       .StateCComb(StateCComb),

                       .StateDComb(StateDComb),

                       .AddendState1(AddendState1),

                       .AddendState2(AddendState2),

                       .ShiftedAddend(ShiftedAddend)

             );

endmodule