diff options
| -rw-r--r-- | src/rtl/sha512_core.v | 195 | ||||
| -rw-r--r-- | src/rtl/sha512_w_mem.v | 104 | ||||
| -rw-r--r-- | src/tb/tb_sha512_core.v | 176 |
3 files changed, 238 insertions, 237 deletions
diff --git a/src/rtl/sha512_core.v b/src/rtl/sha512_core.v index 73bbcee..44af0b1 100644 --- a/src/rtl/sha512_core.v +++ b/src/rtl/sha512_core.v @@ -9,30 +9,30 @@ // Author: Joachim Strombergson // Copyright (c) 2014, SUNET // All rights reserved. -// -// Redistribution and use in source and binary forms, with or -// without modification, are permitted provided that the following -// conditions are met: -// -// 1. Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in -// the documentation and/or other materials provided with the -// distribution. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// +// Redistribution and use in source and binary forms, with or +// without modification, are permitted provided that the following +// conditions are met: +// +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in +// the documentation and/or other materials provided with the +// distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // //====================================================================== @@ -40,29 +40,29 @@ module sha512_core( input wire clk, input wire reset_n, - + input wire init, input wire next, input wire [1 : 0] mode, - + input wire [1023 : 0] block, - + output wire ready, output wire [511 : 0] digest, output wire digest_valid ); - + //---------------------------------------------------------------- // Internal constant and parameter definitions. //---------------------------------------------------------------- parameter SHA512_ROUNDS = 79; - + parameter CTRL_IDLE = 0; parameter CTRL_ROUNDS = 1; parameter CTRL_DONE = 2; - - + + //---------------------------------------------------------------- // Registers including update variables and write enable. //---------------------------------------------------------------- @@ -101,7 +101,7 @@ module sha512_core( reg [63 : 0] H7_reg; reg [63 : 0] H7_new; reg H_we; - + reg [6 : 0] t_ctr_reg; reg [6 : 0] t_ctr_new; reg t_ctr_we; @@ -111,12 +111,12 @@ module sha512_core( reg digest_valid_reg; reg digest_valid_new; reg digest_valid_we; - + reg [1 : 0] sha512_ctrl_reg; reg [1 : 0] sha512_ctrl_new; reg sha512_ctrl_we; - + //---------------------------------------------------------------- // Wires. //---------------------------------------------------------------- @@ -138,7 +138,7 @@ module sha512_core( reg w_init; reg w_next; wire [63 : 0] w_data; - + wire [63 : 0] H0_0; wire [63 : 0] H0_1; wire [63 : 0] H0_2; @@ -148,53 +148,53 @@ module sha512_core( wire [63 : 0] H0_6; wire [63 : 0] H0_7; - + //---------------------------------------------------------------- // Module instantiantions. //---------------------------------------------------------------- - sha512_k_constants k_constants( - .addr(t_ctr_reg), - .K(k_data) - ); - - - sha512_h_constants h_constants( - .mode(mode), - - .H0(H0_0), - .H1(H0_1), - .H2(H0_2), - .H3(H0_3), - .H4(H0_4), - .H5(H0_5), - .H6(H0_6), - .H7(H0_7) - ); - - - sha512_w_mem w_mem( - .clk(clk), - .reset_n(reset_n), - - .block(block), - - .init(w_init), - .next(w_next), - .w(w_data) - ); - - + sha512_k_constants k_constants_inst( + .addr(t_ctr_reg), + .K(k_data) + ); + + + sha512_h_constants h_constants_inst( + .mode(mode), + + .H0(H0_0), + .H1(H0_1), + .H2(H0_2), + .H3(H0_3), + .H4(H0_4), + .H5(H0_5), + .H6(H0_6), + .H7(H0_7) + ); + + + sha512_w_mem w_mem_inst( + .clk(clk), + .reset_n(reset_n), + + .block(block), + + .init(w_init), + .next(w_next), + .w(w_data) + ); + + //---------------------------------------------------------------- // Concurrent connectivity for ports etc. //---------------------------------------------------------------- assign ready = ready_flag; - + assign digest = {H0_reg, H1_reg, H2_reg, H3_reg, H4_reg, H5_reg, H6_reg, H7_reg}; - + assign digest_valid = digest_valid_reg; - - + + //---------------------------------------------------------------- // reg_update // Update functionality for all registers in the core. @@ -227,7 +227,7 @@ module sha512_core( end else begin - + if (a_h_we) begin a_reg <= a_new; @@ -251,7 +251,7 @@ module sha512_core( H6_reg <= H6_new; H7_reg <= H7_new; end - + if (t_ctr_we) begin t_ctr_reg <= t_ctr_new; @@ -261,7 +261,7 @@ module sha512_core( begin digest_valid_reg <= digest_valid_new; end - + if (sha512_ctrl_we) begin sha512_ctrl_reg <= sha512_ctrl_new; @@ -269,7 +269,7 @@ module sha512_core( end end // reg_update - + //---------------------------------------------------------------- // digest_logic // @@ -325,12 +325,12 @@ module sha512_core( reg [63 : 0] sum1; reg [63 : 0] ch; - sum1 = {e_reg[13 : 0], e_reg[63 : 14]} ^ - {e_reg[17 : 0], e_reg[63 : 18]} ^ + sum1 = {e_reg[13 : 0], e_reg[63 : 14]} ^ + {e_reg[17 : 0], e_reg[63 : 18]} ^ {e_reg[40 : 0], e_reg[63 : 41]}; ch = (e_reg & f_reg) ^ ((~e_reg) & g_reg); - + t1 = h_reg + sum1 + ch + k_data + w_data; end // t1_logic @@ -350,11 +350,11 @@ module sha512_core( {a_reg[38 : 0], a_reg[63 : 39]}; maj = (a_reg & b_reg) ^ (a_reg & c_reg) ^ (b_reg & c_reg); - + t2 = sum0 + maj; end // t2_logic - - + + //---------------------------------------------------------------- // state_logic // @@ -363,9 +363,6 @@ module sha512_core( //---------------------------------------------------------------- always @* begin : state_logic - reg [63 : 0] tmp1; - reg [63 : 0] tmp2; - a_new = 64'h00000000; b_new = 64'h00000000; c_new = 64'h00000000; @@ -375,7 +372,7 @@ module sha512_core( g_new = 64'h00000000; h_new = 64'h00000000; a_h_we = 0; - + if (state_init) begin if (first_block) @@ -403,7 +400,7 @@ module sha512_core( a_h_we = 1; end end - + if (state_update) begin a_new = t1 + t2; @@ -418,18 +415,18 @@ module sha512_core( end end // state_logic - + //---------------------------------------------------------------- // t_ctr // - // Update logic for the round counter, a monotonically + // Update logic for the round counter, a monotonically // increasing counter with reset. //---------------------------------------------------------------- always @* begin : t_ctr t_ctr_new = 7'h00; t_ctr_we = 0; - + if (t_ctr_rst) begin t_ctr_new = 7'h00; @@ -443,7 +440,7 @@ module sha512_core( end end // t_ctr - + //---------------------------------------------------------------- // sha512_ctrl_fsm // @@ -456,28 +453,28 @@ module sha512_core( state_init = 0; state_update = 0; - + first_block = 0; ready_flag = 0; w_init = 0; w_next = 0; - + t_ctr_inc = 0; t_ctr_rst = 0; - + digest_valid_new = 0; digest_valid_we = 0; - + sha512_ctrl_new = CTRL_IDLE; sha512_ctrl_we = 0; - + case (sha512_ctrl_reg) CTRL_IDLE: begin ready_flag = 1; - + if (init) begin digest_init = 1; @@ -503,7 +500,7 @@ module sha512_core( end end - + CTRL_ROUNDS: begin w_next = 1; @@ -517,7 +514,7 @@ module sha512_core( end end - + CTRL_DONE: begin digest_update = 1; @@ -529,7 +526,7 @@ module sha512_core( end endcase // case (sha512_ctrl_reg) end // sha512_ctrl_fsm - + endmodule // sha512_core //====================================================================== diff --git a/src/rtl/sha512_w_mem.v b/src/rtl/sha512_w_mem.v index 47113b9..824316d 100644 --- a/src/rtl/sha512_w_mem.v +++ b/src/rtl/sha512_w_mem.v @@ -2,37 +2,37 @@ // // sha512_w_mem_regs.v // ------------------- -// The W memory for the SHA-512 core. This version uses 16 +// The W memory for the SHA-512 core. This version uses 16 // 32-bit registers as a sliding window to generate the 64 words. // // // Author: Joachim Strombergson // Copyright (c) 2014 Secworks Sweden AB // All rights reserved. -// -// Redistribution and use in source and binary forms, with or -// without modification, are permitted provided that the following -// conditions are met: -// -// 1. Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in -// the documentation and/or other materials provided with the -// distribution. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// +// Redistribution and use in source and binary forms, with or +// without modification, are permitted provided that the following +// conditions are met: +// +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in +// the documentation and/or other materials provided with the +// distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // //====================================================================== @@ -48,14 +48,14 @@ module sha512_w_mem( output wire [63 : 0] w ); - + //---------------------------------------------------------------- // Internal constant and parameter definitions. //---------------------------------------------------------------- parameter CTRL_IDLE = 1'b0; parameter CTRL_UPDATE = 1'b1; - - + + //---------------------------------------------------------------- // Registers including update variables and write enable. //---------------------------------------------------------------- @@ -77,31 +77,31 @@ module sha512_w_mem( reg [63 : 0] w_mem14_new; reg [63 : 0] w_mem15_new; reg w_mem_we; - + reg [6 : 0] w_ctr_reg; reg [6 : 0] w_ctr_new; reg w_ctr_we; reg w_ctr_inc; reg w_ctr_rst; - + reg sha512_w_mem_ctrl_reg; reg sha512_w_mem_ctrl_new; reg sha512_w_mem_ctrl_we; - - + + //---------------------------------------------------------------- // Wires. //---------------------------------------------------------------- reg [63 : 0] w_tmp; reg [63 : 0] w_new; - - + + //---------------------------------------------------------------- // Concurrent connectivity for ports etc. //---------------------------------------------------------------- assign w = w_tmp; - - + + //---------------------------------------------------------------- // reg_update // Update functionality for all registers in the core. @@ -152,12 +152,12 @@ module sha512_w_mem( w_mem[14] <= w_mem14_new; w_mem[15] <= w_mem15_new; end - + if (w_ctr_we) begin w_ctr_reg <= w_ctr_new; end - + if (sha512_w_mem_ctrl_we) begin sha512_w_mem_ctrl_reg <= sha512_w_mem_ctrl_new; @@ -165,7 +165,7 @@ module sha512_w_mem( end end // reg_update - + //---------------------------------------------------------------- // select_w // @@ -183,7 +183,7 @@ module sha512_w_mem( w_tmp = w_new; end end // select_w - + //---------------------------------------------------------------- // w_new_logic @@ -217,7 +217,7 @@ module sha512_w_mem( w_mem14_new = 64'h0000000000000000; w_mem15_new = 64'h0000000000000000; w_mem_we = 0; - + w_0 = w_mem[0]; w_1 = w_mem[1]; w_9 = w_mem[9]; @@ -226,13 +226,13 @@ module sha512_w_mem( d0 = {w_1[0], w_1[63 : 1]} ^ // ROTR1 {w_1[7 : 0], w_1[63 : 8]} ^ // ROTR8 {7'b0000000, w_1[63 : 7]}; // SHR7 - + d1 = {w_14[18 : 0], w_14[63 : 19]} ^ // ROTR19 {w_14[60 : 0], w_14[63 : 61]} ^ // ROTR61 {6'b000000, w_14[63 : 6]}; // SHR6 - + w_new = w_0 + d0 + w_9 + d1; - + if (init) begin w_mem00_new = block[1023 : 960]; @@ -274,8 +274,8 @@ module sha512_w_mem( w_mem_we = 1; end end // w_mem_update_logic - - + + //---------------------------------------------------------------- // w_ctr // W schedule adress counter. Counts from 0x10 to 0x3f and @@ -285,7 +285,7 @@ module sha512_w_mem( begin : w_ctr w_ctr_new = 0; w_ctr_we = 0; - + if (w_ctr_rst) begin w_ctr_new = 7'h00; @@ -299,7 +299,7 @@ module sha512_w_mem( end end // w_ctr - + //---------------------------------------------------------------- // sha512_w_mem_fsm // Logic for the w shedule FSM. @@ -308,10 +308,10 @@ module sha512_w_mem( begin : sha512_w_mem_fsm w_ctr_rst = 0; w_ctr_inc = 0; - + sha512_w_mem_ctrl_new = CTRL_IDLE; sha512_w_mem_ctrl_we = 0; - + case (sha512_w_mem_ctrl_reg) CTRL_IDLE: begin @@ -322,15 +322,15 @@ module sha512_w_mem( sha512_w_mem_ctrl_we = 1; end end - + CTRL_UPDATE: begin if (next) begin w_ctr_inc = 1; end - - if (w_ctr_reg == 6'h3f) + + if (w_ctr_reg == 7'h3f) begin sha512_w_mem_ctrl_new = CTRL_IDLE; sha512_w_mem_ctrl_we = 1; diff --git a/src/tb/tb_sha512_core.v b/src/tb/tb_sha512_core.v index d0e05f7..e4d3bb8 100644 --- a/src/tb/tb_sha512_core.v +++ b/src/tb/tb_sha512_core.v @@ -8,30 +8,30 @@ // Author: Joachim Strombergson // Copyright (c) 2014, SUNET // All rights reserved. -// -// Redistribution and use in source and binary forms, with or -// without modification, are permitted provided that the following -// conditions are met: -// -// 1. Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in -// the documentation and/or other materials provided with the -// distribution. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// +// Redistribution and use in source and binary forms, with or +// without modification, are permitted provided that the following +// conditions are met: +// +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in +// the documentation and/or other materials provided with the +// distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // //====================================================================== @@ -46,7 +46,7 @@ // Test module. //------------------------------------------------------------------ module tb_sha512_core(); - + //---------------------------------------------------------------- // Internal constant and parameter definitions. //---------------------------------------------------------------- @@ -59,8 +59,8 @@ module tb_sha512_core(); parameter MODE_SHA_512_256 = 1; parameter MODE_SHA_384 = 2; parameter MODE_SHA_512 = 3; - - + + //---------------------------------------------------------------- // Register and Wire declarations. //---------------------------------------------------------------- @@ -77,39 +77,39 @@ module tb_sha512_core(); wire tb_ready; wire [511 : 0] tb_digest; wire tb_digest_valid; - - + + //---------------------------------------------------------------- // Device Under Test. //---------------------------------------------------------------- sha512_core dut( .clk(tb_clk), .reset_n(tb_reset_n), - + .init(tb_init), .next(tb_next), .mode(tb_mode), .block(tb_block), - + .ready(tb_ready), - + .digest(tb_digest), .digest_valid(tb_digest_valid) ); - + //---------------------------------------------------------------- // clk_gen // // Always running clock generator process. //---------------------------------------------------------------- - always + always begin : clk_gen #CLK_HALF_PERIOD; tb_clk = !tb_clk; end // clk_gen - + //---------------------------------------------------------------- // sys_monitor() @@ -127,7 +127,7 @@ module tb_sha512_core(); end end - + //---------------------------------------------------------------- // dump_dut_state() // @@ -138,40 +138,40 @@ module tb_sha512_core(); $display("State of DUT"); $display("------------"); $display("Inputs and outputs:"); - $display("init = 0x%01x, next = 0x%01x. mode = 0x%01x", + $display("init = 0x%01x, next = 0x%01x. mode = 0x%01x", dut.init, dut.next, dut.mode); $display("block = 0x%0128x", dut.block); - $display("ready = 0x%01x, valid = 0x%01x", + $display("ready = 0x%01x, valid = 0x%01x", dut.ready, dut.digest_valid); $display("digest = 0x%064x", dut.digest); - $display("H0_reg = 0x%08x, H1_reg = 0x%08x, H2_reg = 0x%08x, H3_reg = 0x%08x", + $display("H0_reg = 0x%08x, H1_reg = 0x%08x, H2_reg = 0x%08x, H3_reg = 0x%08x", dut.H0_reg, dut.H1_reg, dut.H2_reg, dut.H3_reg); - $display("H4_reg = 0x%08x, H5_reg = 0x%08x, H6_reg = 0x%08x, H7_reg = 0x%08x", + $display("H4_reg = 0x%08x, H5_reg = 0x%08x, H6_reg = 0x%08x, H7_reg = 0x%08x", dut.H4_reg, dut.H5_reg, dut.H6_reg, dut.H7_reg); $display(""); - + $display("Control signals and counter:"); $display("sha512_ctrl_reg = 0x%02x", dut.sha512_ctrl_reg); - $display("digest_init = 0x%01x, digest_update = 0x%01x", + $display("digest_init = 0x%01x, digest_update = 0x%01x", dut.digest_init, dut.digest_update); - $display("state_init = 0x%01x, state_update = 0x%01x", + $display("state_init = 0x%01x, state_update = 0x%01x", dut.state_init, dut.state_update); - $display("first_block = 0x%01x, ready_flag = 0x%01x, w_init = 0x%01x", + $display("first_block = 0x%01x, ready_flag = 0x%01x, w_init = 0x%01x", dut.first_block, dut.ready_flag, dut.w_init); - $display("t_ctr_inc = 0x%01x, t_ctr_rst = 0x%01x, t_ctr_reg = 0x%02x", + $display("t_ctr_inc = 0x%01x, t_ctr_rst = 0x%01x, t_ctr_reg = 0x%02x", dut.t_ctr_inc, dut.t_ctr_rst, dut.t_ctr_reg); $display(""); $display("State registers:"); - $display("a_reg = 0x%08x, b_reg = 0x%08x, c_reg = 0x%08x, d_reg = 0x%08x", + $display("a_reg = 0x%08x, b_reg = 0x%08x, c_reg = 0x%08x, d_reg = 0x%08x", dut.a_reg, dut.b_reg, dut.c_reg, dut.d_reg); - $display("e_reg = 0x%08x, f_reg = 0x%08x, g_reg = 0x%08x, h_reg = 0x%08x", + $display("e_reg = 0x%08x, f_reg = 0x%08x, g_reg = 0x%08x, h_reg = 0x%08x", dut.e_reg, dut.f_reg, dut.g_reg, dut.h_reg); $display(""); - $display("a_new = 0x%08x, b_new = 0x%08x, c_new = 0x%08x, d_new = 0x%08x", + $display("a_new = 0x%08x, b_new = 0x%08x, c_new = 0x%08x, d_new = 0x%08x", dut.a_new, dut.b_new, dut.c_new, dut.d_new); - $display("e_new = 0x%08x, f_new = 0x%08x, g_new = 0x%08x, h_new = 0x%08x", + $display("e_new = 0x%08x, f_new = 0x%08x, g_new = 0x%08x, h_new = 0x%08x", dut.e_new, dut.f_new, dut.g_new, dut.h_new); $display(""); @@ -182,7 +182,7 @@ module tb_sha512_core(); end endtask // dump_dut_state - + //---------------------------------------------------------------- // dump_dut_wmem() // @@ -192,19 +192,23 @@ module tb_sha512_core(); begin $display("State of DUT WMEM"); $display("-----------------"); - $display("W[00] = 0x%016x, W[01] = 0x%016x, W[02] = 0x%016x, W[03] = 0x%016x", - dut.w_mem.w_mem[00], dut.w_mem.w_mem[01], dut.w_mem.w_mem[02], dut.w_mem.w_mem[03]); - $display("W[04] = 0x%016x, W[05] = 0x%016x, W[06] = 0x%016x, W[07] = 0x%016x", - dut.w_mem.w_mem[04], dut.w_mem.w_mem[05], dut.w_mem.w_mem[06], dut.w_mem.w_mem[07]); - $display("W[08] = 0x%016x, W[09] = 0x%016x, W[10] = 0x%016x, W[11] = 0x%016x", - dut.w_mem.w_mem[08], dut.w_mem.w_mem[09], dut.w_mem.w_mem[10], dut.w_mem.w_mem[11]); - $display("W[12] = 0x%016x, W[13] = 0x%016x, W[14] = 0x%016x, W[15] = 0x%016x", - dut.w_mem.w_mem[12], dut.w_mem.w_mem[13], dut.w_mem.w_mem[14], dut.w_mem.w_mem[15]); + $display("W[00] = 0x%016x, W[01] = 0x%016x, W[02] = 0x%016x, W[03] = 0x%016x", + dut.w_mem_inst.w_mem[00], dut.w_mem_inst.w_mem[01], + dut.w_mem_inst.w_mem[02], dut.w_mem_inst.w_mem[03]); + $display("W[04] = 0x%016x, W[05] = 0x%016x, W[06] = 0x%016x, W[07] = 0x%016x", + dut.w_mem_inst.w_mem[04], dut.w_mem_inst.w_mem[05], + dut.w_mem_inst.w_mem[06], dut.w_mem_inst.w_mem[07]); + $display("W[08] = 0x%016x, W[09] = 0x%016x, W[10] = 0x%016x, W[11] = 0x%016x", + dut.w_mem_inst.w_mem[08], dut.w_mem_inst.w_mem[09], + dut.w_mem_inst.w_mem[10], dut.w_mem_inst.w_mem[11]); + $display("W[12] = 0x%016x, W[13] = 0x%016x, W[14] = 0x%016x, W[15] = 0x%016x", + dut.w_mem_inst.w_mem[12], dut.w_mem_inst.w_mem[13], + dut.w_mem_inst.w_mem[14], dut.w_mem_inst.w_mem[15]); $display(""); end endtask // dump_dut_wmem - + //---------------------------------------------------------------- // reset_dut() // @@ -219,7 +223,7 @@ module tb_sha512_core(); end endtask // reset_dut - + //---------------------------------------------------------------- // init_sim() // @@ -231,7 +235,7 @@ module tb_sha512_core(); cycle_ctr = 0; error_ctr = 0; tc_ctr = 0; - + tb_clk = 0; tb_reset_n = 1; @@ -243,7 +247,7 @@ module tb_sha512_core(); end endtask // init_dut - + //---------------------------------------------------------------- // display_test_result() // @@ -261,7 +265,7 @@ module tb_sha512_core(); end end endtask // display_test_result - + //---------------------------------------------------------------- // wait_ready() @@ -281,7 +285,7 @@ module tb_sha512_core(); end endtask // wait_ready - + //---------------------------------------------------------------- // single_block_test() // @@ -296,13 +300,13 @@ module tb_sha512_core(); begin $display("*** TC %0d single block test case started.", tc_number); tc_ctr = tc_ctr + 1; - + tb_block = block; tb_mode = mode; tb_init = 1; #(2 * CLK_PERIOD); tb_init = 0; - + wait_ready(); case (mode) @@ -310,41 +314,41 @@ module tb_sha512_core(); begin mask = {{7{32'hffffffff}}, {9{32'h00000000}}}; end - + MODE_SHA_512_256: begin mask = {{8{32'hffffffff}}, {8{32'h00000000}}}; end - + MODE_SHA_384: begin mask = {{12{32'hffffffff}}, {4{32'h00000000}}}; end - + MODE_SHA_512: begin mask = {16{32'hffffffff}}; end endcase // case (mode) - + if ((tb_digest & mask) == expected) begin $display("*** TC %0d successful.", tc_number); $display(""); - end + end else begin $display("*** ERROR: TC %0d NOT successful.", tc_number); $display("Expected: 0x%064x", expected); $display("Got: 0x%064x", tb_digest); $display(""); - + error_ctr = error_ctr + 1; end end endtask // single_block_test - + //---------------------------------------------------------------- // double_block_test() // @@ -375,7 +379,7 @@ module tb_sha512_core(); wait_ready(); db_digest1 = tb_digest; $display("*** TC %0d first block done.", tc_number); - + $display("*** TC %0d second block started.", tc_number); tb_block = block2; tb_next = 1; @@ -383,12 +387,12 @@ module tb_sha512_core(); tb_next = 0; wait_ready(); $display("*** TC %0d second block done.", tc_number); - + if (db_digest1 == expected1) begin $display("*** TC %0d first block successful", tc_number); $display(""); - end + end else begin $display("*** ERROR: TC %0d first block NOT successful", tc_number); @@ -403,17 +407,17 @@ module tb_sha512_core(); begin mask = {{7{32'hffffffff}}, {9{32'h00000000}}}; end - + MODE_SHA_512_256: begin mask = {{8{32'hffffffff}}, {8{32'h00000000}}}; end - + MODE_SHA_384: begin mask = {{12{32'hffffffff}}, {4{32'h00000000}}}; end - + MODE_SHA_512: begin mask = {16{32'hffffffff}}; @@ -424,7 +428,7 @@ module tb_sha512_core(); begin $display("*** TC %0d second block successful", tc_number); $display(""); - end + end else begin $display("*** ERROR: TC %0d second block NOT successful", tc_number); @@ -440,11 +444,11 @@ module tb_sha512_core(); end end endtask // double_block_test - - + + //---------------------------------------------------------------- // sha512_core_test - // The main test functionality. + // The main test functionality. // // Test cases taken from: // http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA_All.pdf @@ -456,7 +460,7 @@ module tb_sha512_core(); reg [511 : 0] tc2_expected; reg [511 : 0] tc3_expected; reg [511 : 0] tc4_expected; - + reg [1024 : 0] double_block_one; reg [1024 : 0] double_block_two; reg [511 : 0] tc5_expected; @@ -467,7 +471,7 @@ module tb_sha512_core(); reg [511 : 0] tc10_expected; reg [511 : 0] tc11_expected; reg [511 : 0] tc12_expected; - + $display(" -- Testbench for sha512 core started --"); init_sim(); @@ -481,7 +485,7 @@ module tb_sha512_core(); // SHA-512 single block digest and test. tc1_expected = 512'hDDAF35A193617ABACC417349AE20413112E6FA4E89A97EA20A9EEEE64B55D39A2192992A274FC1A836BA3C23A3FEEBBD454D4423643CE80E2A9AC94FA54CA49F; single_block_test(8'h01, MODE_SHA_512, single_block, tc1_expected); - + // SHA-512_224 single block digest and test. tc2_expected = {224'h4634270F707B6A54DAAE7530460842E20E37ED265CEEE9A43E8924AA, {9{32'h00000000}}}; single_block_test(8'h02, MODE_SHA_512_224, single_block, tc2_expected); @@ -519,7 +523,7 @@ module tb_sha512_core(); tc12_expected = {384'h09330C33F71147E83D192FC782CD1B4753111B173B3B05D22FA08086E3B0F712FCC7C71A557E2DB966C3E9FA91746039, {4{32'h00000000}}}; double_block_test(8'h08, MODE_SHA_384, double_block_one, double_block_two, tc11_expected, tc12_expected); - + display_test_result(); $display("*** Simulation done."); $finish; |