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author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2018-12-19 16:03:08 +0300 |
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committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2018-12-19 16:03:08 +0300 |
commit | 1f8d13bf8d2e813f0c5da653c4abffb7a817db9a (patch) | |
tree | 7b6290a838f460a9d104f28a32de08be8bcf8605 /ecdsa_fpga_multiword.h | |
parent | cae8718217846cfaefcbfecd55f9a117731a8d99 (diff) |
* New hardware architecture
* Randomized test vector
Diffstat (limited to 'ecdsa_fpga_multiword.h')
-rw-r--r-- | ecdsa_fpga_multiword.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ecdsa_fpga_multiword.h b/ecdsa_fpga_multiword.h new file mode 100644 index 0000000..9190fd5 --- /dev/null +++ b/ecdsa_fpga_multiword.h @@ -0,0 +1,91 @@ +//------------------------------------------------------------------------------ +// +// fpga_ecdsa_multiword.h +// ----------------------------------------- +// Models of multi-precision 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. +// +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Model Parameters +//------------------------------------------------------------------------------ +#if USE_CURVE == 1 + +#define FPGA_OPERAND_WIDTH (256) // largest supported operand width in bits + +#elif USE_CURVE == 2 + +#define FPGA_OPERAND_WIDTH (384) // largest supported operand width in bits + +#else + +BAD_CURVE + +#endif + + +//------------------------------------------------------------------------------ +// FPGA Pipeline Settings +//------------------------------------------------------------------------------ +#define FPGA_OPERAND_NUM_WORDS (FPGA_OPERAND_WIDTH / FPGA_WORD_WIDTH) + + +//------------------------------------------------------------------------------ +// Operand Data Type +//------------------------------------------------------------------------------ +typedef struct FPGA_BUFFER +{ + FPGA_WORD words[FPGA_OPERAND_NUM_WORDS]; +} +FPGA_BUFFER; + + +//------------------------------------------------------------------------------ +// Globals +//------------------------------------------------------------------------------ +extern FPGA_BUFFER ECDSA_ZERO; +extern FPGA_BUFFER ECDSA_ONE; + + +//------------------------------------------------------------------------------ +// Prototpes +//------------------------------------------------------------------------------ +void fpga_multiword_init (); +void fpga_multiword_copy (const FPGA_BUFFER *src, FPGA_BUFFER *dst); +bool fpga_multiword_is_zero (const FPGA_BUFFER *x); + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ |