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104 lines
3.8 KiB
104 lines
3.8 KiB
// Copyright (c) 2014-2021, 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 "crypto/crypto.h"
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#include "cryptonote_basic/cryptonote_basic.h"
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#include "single_tx_test_base.h"
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using namespace crypto;
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// use_view_tags: whether to enable view tag checking
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// is_owned: whether the output is owned by us
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template<bool use_view_tags, bool is_owned>
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class test_out_can_be_to_acc : public single_tx_test_base
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{
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public:
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static const size_t loop_count = 1000;
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bool init()
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{
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if (!single_tx_test_base::init())
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return false;
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crypto::key_derivation key_derivation;
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crypto::view_tag vt;
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m_output_index = 0;
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m_view_secret_key = m_bob.get_keys().m_view_secret_key;
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m_spend_public_key = m_bob.get_keys().m_account_address.m_spend_public_key;
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cryptonote::get_output_public_key(m_tx.vout[m_output_index], m_output_public_key);
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if (use_view_tags)
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{
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crypto::generate_key_derivation(m_tx_pub_key, m_view_secret_key, key_derivation);
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crypto::derive_view_tag(key_derivation, m_output_index, vt);
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m_view_tag_opt = vt;
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}
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else
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m_view_tag_opt = boost::optional<crypto::view_tag>();
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return true;
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}
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bool test()
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{
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// include key derivation to demonstrate performance improvement when using view tags
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crypto::key_derivation key_derivation;
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crypto::generate_key_derivation(m_tx_pub_key, m_view_secret_key, key_derivation);
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// if using view tags, this ensures we computed the view tag properly
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if (!cryptonote::out_can_be_to_acc(m_view_tag_opt, key_derivation, m_output_index))
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return false;
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// if user owns output, this tests the output public key matches the derived
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if (is_owned)
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{
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crypto::public_key output_public_key;
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crypto::derive_public_key(key_derivation, m_output_index, m_spend_public_key, output_public_key);
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if (m_output_public_key != output_public_key)
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return false;
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}
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return true;
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}
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private:
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size_t m_output_index;
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crypto::secret_key m_view_secret_key;
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crypto::public_key m_spend_public_key;
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crypto::public_key m_output_public_key;
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boost::optional<crypto::view_tag> m_view_tag_opt;
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};
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