1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright (c) 2014-2022, 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
#pragma once
#include "crypto/crypto.h"
#include "cryptonote_basic/cryptonote_basic.h"
#include "single_tx_test_base.h"
using namespace crypto;
// use_view_tags: whether to enable view tag checking
// is_owned: whether the output is owned by us
template<bool use_view_tags, bool is_owned>
class test_out_can_be_to_acc : public single_tx_test_base
{
public:
static const size_t loop_count = 1000;
bool init()
{
if (!single_tx_test_base::init())
return false;
crypto::key_derivation key_derivation;
crypto::view_tag vt;
m_output_index = 0;
m_view_secret_key = m_bob.get_keys().m_view_secret_key;
m_spend_public_key = m_bob.get_keys().m_account_address.m_spend_public_key;
cryptonote::get_output_public_key(m_tx.vout[m_output_index], m_output_public_key);
if (use_view_tags)
{
crypto::generate_key_derivation(m_tx_pub_key, m_view_secret_key, key_derivation);
crypto::derive_view_tag(key_derivation, m_output_index, vt);
m_view_tag_opt = vt;
}
else
m_view_tag_opt = boost::optional<crypto::view_tag>();
return true;
}
bool test()
{
// include key derivation to demonstrate performance improvement when using view tags
crypto::key_derivation key_derivation;
crypto::generate_key_derivation(m_tx_pub_key, m_view_secret_key, key_derivation);
// if using view tags, this ensures we computed the view tag properly
if (!cryptonote::out_can_be_to_acc(m_view_tag_opt, key_derivation, m_output_index))
return false;
// if user owns output, this tests the output public key matches the derived
if (is_owned)
{
crypto::public_key output_public_key;
crypto::derive_public_key(key_derivation, m_output_index, m_spend_public_key, output_public_key);
if (m_output_public_key != output_public_key)
return false;
}
return true;
}
private:
size_t m_output_index;
crypto::secret_key m_view_secret_key;
crypto::public_key m_spend_public_key;
crypto::public_key m_output_public_key;
boost::optional<crypto::view_tag> m_view_tag_opt;
};
|
