From 00fbfb02f7a7d0d4ec408b33b436ad19fc94baba Mon Sep 17 00:00:00 2001 From: "Pavel V. Shatov (Meister)" Date: Mon, 24 Sep 2018 21:36:00 +0300 Subject: Shared pieces of code --- curve25519/curve25519_fpga_model.cpp | 101 +++++++++++++++++++++++++++++++++++ curve25519/curve25519_fpga_model.h | 60 +++++++++++++++++++++ 2 files changed, 161 insertions(+) create mode 100644 curve25519/curve25519_fpga_model.cpp create mode 100644 curve25519/curve25519_fpga_model.h (limited to 'curve25519') diff --git a/curve25519/curve25519_fpga_model.cpp b/curve25519/curve25519_fpga_model.cpp new file mode 100644 index 0000000..13d276e --- /dev/null +++ b/curve25519/curve25519_fpga_model.cpp @@ -0,0 +1,101 @@ +//------------------------------------------------------------------------------ +// +// curve25519_fpga_model.cpp +// ------------------------- +// Curve25519 FPGA Model +// +// Authors: Pavel Shatov +// +// Copyright (c) 2018, NORDUnet A/S +// +// 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. +// +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ +#include "curve25519_fpga_model.h" + + +//------------------------------------------------------------------------------ +bool compare_fpga_buffers(const FPGA_BUFFER *ax, const FPGA_BUFFER *bx) +//------------------------------------------------------------------------------ +// +// Compare affine coordinates of two points and return true when they match. +// +//------------------------------------------------------------------------------ +{ + int w; // word counter + + // print all the values + print_fpga_buffer(" Expected: X = ", ax); + print_fpga_buffer(" Calculated: X = ", bx); + + // compare values + for (w=0; wwords[w] != bx->words[w]) return false; + } + + // values are the same + return true; +} + + +//------------------------------------------------------------------------------ +void print_fpga_buffer(const char *s, const FPGA_BUFFER *buf) +//------------------------------------------------------------------------------ +// +// Pretty print large multi-word integer. +// +//------------------------------------------------------------------------------ +{ + int w; // word counter + + // print header + printf("%s", s); + + // print all bytes + for (w=FPGA_OPERAND_NUM_WORDS; w>0; w--) + { + printf("%08x", buf->words[w-1]); + + // insert space after every group of 4 bytes + if (w > 1) printf(" "); + } + + // print footer + printf("\n"); +} + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ diff --git a/curve25519/curve25519_fpga_model.h b/curve25519/curve25519_fpga_model.h new file mode 100644 index 0000000..1ead3c6 --- /dev/null +++ b/curve25519/curve25519_fpga_model.h @@ -0,0 +1,60 @@ +//------------------------------------------------------------------------------ +// +// curve25519_fpga_model.h +// ----------------------- +// Curve25519 FPGA Model +// +// Authors: Pavel Shatov +// +// Copyright (c) 2018, NORDUnet A/S +// +// 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. +// +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ +#include + +#include "curve25519_fpga_lowlevel.h" +#include "curve25519_fpga_multiword.h" +#include "curve25519_fpga_modular.h" +#include "curve25519_fpga_microcode.h" + + +//------------------------------------------------------------------------------ +// Prototypes +//------------------------------------------------------------------------------ +void print_fpga_buffer (const char *s, const FPGA_BUFFER *v); +bool compare_fpga_buffers (const FPGA_BUFFER *ax, const FPGA_BUFFER *bx); + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ -- cgit v1.2.3