From 1f8d13bf8d2e813f0c5da653c4abffb7a817db9a Mon Sep 17 00:00:00 2001 From: "Pavel V. Shatov (Meister)" Date: Wed, 19 Dec 2018 16:03:08 +0300 Subject: * New hardware architecture * Randomized test vector --- ecdsa_fpga_lowlevel.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 ecdsa_fpga_lowlevel.h (limited to 'ecdsa_fpga_lowlevel.h') diff --git a/ecdsa_fpga_lowlevel.h b/ecdsa_fpga_lowlevel.h new file mode 100644 index 0000000..8d0dccd --- /dev/null +++ b/ecdsa_fpga_lowlevel.h @@ -0,0 +1,79 @@ +//------------------------------------------------------------------------------ +// +// fpga_ecdsa_lowlevel.h +// ----------------------------------- +// Models of low-level FPGA primitives +// +// Authors: Pavel Shatov +// +// Copyright (c) 2015-2016, 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 + + +//------------------------------------------------------------------------------ +// FPGA Pipeline Settings +//------------------------------------------------------------------------------ +#define FPGA_WORD_WIDTH (32) + + +//------------------------------------------------------------------------------ +// Word Types (Normal 32-bit, Extended 47-bit, Reduced 16-bit) +//------------------------------------------------------------------------------ +typedef uint32_t FPGA_WORD; +typedef uint64_t FPGA_WORD_EXTENDED; +typedef uint16_t FPGA_WORD_REDUCED; + + +//------------------------------------------------------------------------------ +// Wide 47-bit Adder Mask +//------------------------------------------------------------------------------ +#define FPGA_MASK_ADDER47 ((FPGA_WORD_EXTENDED)0x00007FFFFFFFFFFF) + + +//------------------------------------------------------------------------------ +// Prototypes +//------------------------------------------------------------------------------ +void fpga_lowlevel_add32 (FPGA_WORD x, FPGA_WORD y, bool c_in, FPGA_WORD *s, bool *c_out); +void fpga_lowlevel_sub32 (FPGA_WORD x, FPGA_WORD y, bool b_in, FPGA_WORD *d, bool *b_out); + +void fpga_lowlevel_mul16 (FPGA_WORD_REDUCED x, FPGA_WORD_REDUCED y, FPGA_WORD *p); + +void fpga_lowlevel_add47 (FPGA_WORD_EXTENDED x, FPGA_WORD_EXTENDED y, FPGA_WORD_EXTENDED *s); + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ -- cgit v1.2.3