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131 lines
3.7 KiB
131 lines
3.7 KiB
// Copyright (c) 2014-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include <cstddef>
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#include <iostream>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/lock_guard.hpp>
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#include <boost/utility/value_init.hpp>
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#include <boost/optional.hpp>
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#include <type_traits>
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#include <vector>
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#include "pod-class.h"
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//#include "common/util.h"
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#include "memwipe.h"
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#include "generic-ops.h"
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#include "hex.h"
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#include "span.h"
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#include "hash.h"
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namespace crypto {
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// extern "C" {
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//#include "random.h"
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// }
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extern boost::mutex random_lock;
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#pragma pack(push, 1)
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POD_CLASS ec_point {
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char data[32];
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};
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POD_CLASS ec_scalar {
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char data[32];
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};
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POD_CLASS public_key: ec_point {
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friend class crypto_ops;
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};
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using secret_key = tools::scrubbed<ec_scalar>;
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POD_CLASS public_keyV {
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std::vector<public_key> keys;
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int rows;
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};
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POD_CLASS secret_keyV {
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std::vector<secret_key> keys;
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int rows;
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};
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POD_CLASS public_keyM {
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int cols;
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int rows;
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std::vector<secret_keyV> column_vectors;
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};
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POD_CLASS key_derivation: ec_point {
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friend class crypto_ops;
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};
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POD_CLASS key_image: ec_point {
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friend class crypto_ops;
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};
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POD_CLASS signature {
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ec_scalar c, r;
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friend class crypto_ops;
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};
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#pragma pack(pop)
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void hash_to_scalar(const void *data, size_t length, ec_scalar &res);
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static_assert(sizeof(ec_point) == 32 && sizeof(ec_scalar) == 32 &&
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sizeof(public_key) == 32 && sizeof(secret_key) == 32 &&
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sizeof(key_derivation) == 32 && sizeof(key_image) == 32 &&
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sizeof(signature) == 64, "Invalid structure size");
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class crypto_ops {
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crypto_ops();
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crypto_ops(const crypto_ops &);
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void operator=(const crypto_ops &);
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~crypto_ops();
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static bool check_key(const public_key &);
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friend bool check_key(const public_key &);
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};
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/* Check a public key. Returns true if it is valid, false otherwise.
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*/
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inline bool check_key(const public_key &key) {
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return crypto_ops::check_key(key);
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}
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const static crypto::public_key null_pkey = boost::value_initialized<crypto::public_key>();
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}
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CRYPTO_MAKE_HASHABLE(public_key)
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