// Copyright (c) 2014-2019, 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. // // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers #include "crypto/crypto.cpp" #include "crypto-tests.h" bool check_scalar(const crypto::ec_scalar &scalar) { return crypto::sc_check(crypto::operator &(scalar)) == 0; } void random_scalar(crypto::ec_scalar &res) { crypto::random_scalar(res); } void hash_to_scalar(const void *data, std::size_t length, crypto::ec_scalar &res) { crypto::hash_to_scalar(data, length, res); } void hash_to_point(const crypto::hash &h, crypto::ec_point &res) { crypto::ge_p2 point; crypto::ge_fromfe_frombytes_vartime(&point, reinterpret_cast(&h)); crypto::ge_tobytes(crypto::operator &(res), &point); } void hash_to_ec(const crypto::public_key &key, crypto::ec_point &res) { crypto::ge_p3 tmp; crypto::hash_to_ec(key, tmp); crypto::ge_p3_tobytes(crypto::operator &(res), &tmp); }