mirror of
https://github.com/monero-project/monero.git
synced 2024-11-05 16:07:37 +00:00
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
// Copyright (c) 2017, The Monero Project
|
|
//
|
|
// 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.
|
|
//
|
|
// 3. Neither the name of the copyright holder 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.
|
|
//
|
|
// Adapted from Python code by Sarang Noether
|
|
|
|
#pragma once
|
|
|
|
#ifndef MULTIEXP_H
|
|
#define MULTIEXP_H
|
|
|
|
#include <vector>
|
|
#include "crypto/crypto.h"
|
|
#include "rctTypes.h"
|
|
#include "misc_log_ex.h"
|
|
|
|
namespace rct
|
|
{
|
|
|
|
struct MultiexpData {
|
|
rct::key scalar;
|
|
ge_p3 point;
|
|
|
|
MultiexpData() {}
|
|
MultiexpData(const rct::key &s, const ge_p3 &p): scalar(s), point(p) {}
|
|
MultiexpData(const rct::key &s, const rct::key &p): scalar(s)
|
|
{
|
|
CHECK_AND_ASSERT_THROW_MES(ge_frombytes_vartime(&point, p.bytes) == 0, "ge_frombytes_vartime failed");
|
|
}
|
|
};
|
|
|
|
struct straus_cached_data;
|
|
|
|
rct::key bos_coster_heap_conv(std::vector<MultiexpData> data);
|
|
rct::key bos_coster_heap_conv_robust(std::vector<MultiexpData> data);
|
|
std::shared_ptr<straus_cached_data> straus_init_cache(const std::vector<MultiexpData> &data);
|
|
size_t straus_get_cache_size(const std::shared_ptr<straus_cached_data> &cache);
|
|
rct::key straus(const std::vector<MultiexpData> &data, const std::shared_ptr<straus_cached_data> &cache = NULL);
|
|
|
|
}
|
|
|
|
#endif
|