From 747c165611c3016c997e092797bc20a4f900cdea Mon Sep 17 00:00:00 2001 From: "Pavel V. Shatov (Meister)" Date: Sun, 12 Feb 2017 22:10:17 +0300 Subject: Initial commit of base point multiplier core for ECDSA curve P-384. --- rtl/curve/rom/brom_p384_delta.v | 72 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 rtl/curve/rom/brom_p384_delta.v (limited to 'rtl/curve/rom/brom_p384_delta.v') diff --git a/rtl/curve/rom/brom_p384_delta.v b/rtl/curve/rom/brom_p384_delta.v new file mode 100644 index 0000000..754af3e --- /dev/null +++ b/rtl/curve/rom/brom_p384_delta.v @@ -0,0 +1,72 @@ +//====================================================================== +// +// Copyright (c) 2016, NORDUnet A/S All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// - Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// - 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. +// +// - Neither the name of the NORDUnet nor the names of its contributors may +// be used to endorse or promote products derived from this software +// without specific prior written permission. +// +// 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 +// HOLDER 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 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +//====================================================================== + +`timescale 1ns / 1ps + +module brom_p384_delta + ( + input wire clk, + input wire [ 4-1:0] b_addr, + output wire [32-1:0] b_out + ); + + + // + // Output Registers + // + reg [31:0] bram_reg_b; + + assign b_out = bram_reg_b; + + + // + // Read-Only Port B + // + always @(posedge clk) + // + case (b_addr) + 4'b0000: bram_reg_b <= 32'h80000000; + 4'b0001: bram_reg_b <= 32'h00000000; + 4'b0010: bram_reg_b <= 32'h80000000; + 4'b0011: bram_reg_b <= 32'h7fffffff; + 4'b0100: bram_reg_b <= 32'hffffffff; + 4'b0101: bram_reg_b <= 32'hffffffff; + 4'b0110: bram_reg_b <= 32'hffffffff; + 4'b0111: bram_reg_b <= 32'hffffffff; + 4'b1000: bram_reg_b <= 32'hffffffff; + 4'b1001: bram_reg_b <= 32'hffffffff; + 4'b1010: bram_reg_b <= 32'hffffffff; + 4'b1011: bram_reg_b <= 32'h7fffffff; + endcase + + +endmodule -- cgit v1.2.3