/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// SHA-160 ////
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//// SHA-160 ////
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//// Secure Hash Algorithm (SHA-160) testbench ////
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//// Secure Hash Algorithm (SHA-160) testbench ////
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//// ////
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//// ////
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//// Author: marsgod ////
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//// Author: marsgod ////
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//// marsgod@opencores.org ////
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//// marsgod@opencores.org ////
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//// ////
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//// ////
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//// ////
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//// ////
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//// Downloaded from: http://www.opencores.org/cores/sha_core/ ////
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//// Downloaded from: http://www.opencores.org/cores/sha_core/ ////
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//// ////
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//// ////
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/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// Copyright (C) 2002-2004 marsgod ////
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//// Copyright (C) 2002-2004 marsgod ////
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//// marsgod@opencores.org ////
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//// marsgod@opencores.org ////
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//// ////
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//// ////
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//// ////
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//// ////
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//// This source file may be used and distributed without ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer.////
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//// the original copyright notice and the associated disclaimer.////
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//// ////
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//// ////
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//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
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//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
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//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
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//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
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//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
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//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
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//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
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//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
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//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
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//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
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//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
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//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
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//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
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//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
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//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
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//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
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//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
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//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
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//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
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//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
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//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
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//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
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//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
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//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
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//// POSSIBILITY OF SUCH DAMAGE. ////
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//// POSSIBILITY OF SUCH DAMAGE. ////
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//// ////
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//// ////
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/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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`timescale 1ns/10ps
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`timescale 1ns/10ps
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`define SHA1_TEST "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
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`define SHA1_TEST "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
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`define SHA1_TEST_PADDING {1'b1,63'b0,448'b0,64'd448} // 448 bit
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`define SHA1_TEST_PADDING {1'b1,63'b0,448'b0,64'd448} // 448 bit
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`define SHA1_TEST_RESULT 160'h84983e44_1c3bd26e_baae4aa1_f95129e5_e54670f1
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`define SHA1_TEST_RESULT 160'h84983e44_1c3bd26e_baae4aa1_f95129e5_e54670f1
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module test_sha;
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module test_sha;
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reg clk,rst,cmd_w_i;
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reg clk,rst,cmd_w_i;
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reg [31:0] text_i;
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reg [31:0] text_i;
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reg [2:0] cmd_i;
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reg [2:0] cmd_i;
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wire [31:0] text_o;
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wire [31:0] text_o;
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wire [3:0] cmd_o;
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wire [3:0] cmd_o;
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initial
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initial
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begin
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begin
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// $sdf_annotate("syn/data/sha1.sdf",sha_core);
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// $sdf_annotate("syn/data/sha1.sdf",sha_core);
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clk = 1'b0;
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clk = 1'b0;
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rst = 1'b0;
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rst = 1'b0;
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cmd_w_i = 1'b0;
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cmd_w_i = 1'b0;
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cmd_i = 3'b0;
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cmd_i = 3'b0;
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#21;
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#21;
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rst = 1'b1;
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rst = 1'b1;
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#17;
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#17;
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rst = 1'b0;
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rst = 1'b0;
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test_SHA1;
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test_SHA1;
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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$finish;
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$finish;
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end
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end
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always #5 clk = ~clk;
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always #5 clk = ~clk;
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sha1 sha_core(
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sha1 sha_core(
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.clk_i(clk),
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.clk_i(clk),
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.rst_i(rst),
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.rst_i(rst),
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.text_i(text_i),
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.text_i(text_i),
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.text_o(text_o),
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.text_o(text_o),
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.cmd_i(cmd_i),
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.cmd_i(cmd_i),
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.cmd_w_i(cmd_w_i),
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.cmd_w_i(cmd_w_i),
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.cmd_o(cmd_o)
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.cmd_o(cmd_o)
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);
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);
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task test_SHA1;
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task test_SHA1;
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integer i;
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integer i;
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reg [1023:0] all_message;
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reg [1023:0] all_message;
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reg [511:0] tmp_i;
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reg [511:0] tmp_i;
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reg [159:0] tmp_o;
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reg [159:0] tmp_o;
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reg [31:0] tmp;
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reg [31:0] tmp;
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begin
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begin
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all_message = {`SHA1_TEST,`SHA1_TEST_PADDING};
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all_message = {`SHA1_TEST,`SHA1_TEST_PADDING};
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tmp_i = all_message[1023:512];
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tmp_i = all_message[1023:512];
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tmp_o = `SHA1_TEST_RESULT;
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tmp_o = `SHA1_TEST_RESULT;
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#100;
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#100;
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@(posedge clk);
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@(posedge clk);
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cmd_i = 3'b010;
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cmd_i = 3'b010;
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cmd_w_i = 1'b1;
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cmd_w_i = 1'b1;
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for (i=0;i<16;i=i+1)
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for (i=0;i<16;i=i+1)
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begin
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begin
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@(posedge clk);
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@(posedge clk);
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cmd_w_i = 1'b0;
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cmd_w_i = 1'b0;
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text_i = tmp_i[16*32-1:15*32];
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text_i = tmp_i[16*32-1:15*32];
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tmp_i = tmp_i << 32;
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tmp_i = tmp_i << 32;
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end
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end
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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while (cmd_o[3])
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while (cmd_o[3])
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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#100;
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#100;
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tmp_i = all_message[511:0];
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tmp_i = all_message[511:0];
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@(posedge clk);
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@(posedge clk);
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cmd_i = 3'b110;
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cmd_i = 3'b110;
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cmd_w_i = 1'b1;
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cmd_w_i = 1'b1;
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for (i=0;i<16;i=i+1)
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for (i=0;i<16;i=i+1)
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begin
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begin
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@(posedge clk);
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@(posedge clk);
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cmd_w_i = 1'b0;
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cmd_w_i = 1'b0;
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text_i = tmp_i[16*32-1:15*32];
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text_i = tmp_i[16*32-1:15*32];
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tmp_i = tmp_i << 32;
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tmp_i = tmp_i << 32;
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end
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end
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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while (cmd_o[3])
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while (cmd_o[3])
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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cmd_i = 6'b001;
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cmd_i = 6'b001;
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cmd_w_i = 1'b1;
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cmd_w_i = 1'b1;
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@(posedge clk);
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@(posedge clk);
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cmd_w_i = 1'b0;
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cmd_w_i = 1'b0;
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for (i=0;i<5;i=i+1)
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for (i=0;i<5;i=i+1)
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begin
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begin
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@(posedge clk);
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@(posedge clk);
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#1;
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#1;
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tmp = tmp_o[5*32-1:4*32];
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tmp = tmp_o[5*32-1:4*32];
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if (text_o !== tmp | (|text_o)===1'bx)
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if (text_o !== tmp | (|text_o)===1'bx)
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begin
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begin
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$display("ERROR(SHA-160-%02d) Expected %x, Got %x", i,tmp, text_o);
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$display("ERROR(SHA-160-%02d) Expected %x, Got %x", i,tmp, text_o);
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end
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end
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else
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else
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begin
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begin
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$display("OK(SHA-160-%02d),Expected %x, Got %x", i,tmp, text_o);
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$display("OK(SHA-160-%02d),Expected %x, Got %x", i,tmp, text_o);
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end
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end
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tmp_o = tmp_o << 32;
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tmp_o = tmp_o << 32;
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end
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end
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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@(posedge clk);
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#100;
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#100;
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end
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end
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endtask
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endtask
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