ge_frombytes_vartime.h

Go to the documentation of this file.

// Copyrights(c) 2017-2021, The Electroneum Project
// Copyrights(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
 
#pragma once
 
#include "crypto/crypto.h"
#include "cryptonote_basic/cryptonote_basic.h"
 
#include "single_tx_test_base.h"
 
class test_ge_frombytes_vartime : public multi_tx_test_base<1>
{
public:
  static const size_t loop_count = 10000;
 
  typedef multi_tx_test_base<1> base_class;
 
  bool init()
  {
    using namespace cryptonote;
 
    if (!base_class::init())
      return false;
 
    cryptonote::account_base m_alice;
    cryptonote::transaction m_tx;
 
    m_alice.generate();
 
    std::vector<tx_destination_entry> destinations;
    destinations.push_back(tx_destination_entry(1, m_alice.get_keys().m_account_address, false));
 
    if (!construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, destinations, boost::none, std::vector<uint8_t>(), m_tx, 0))
      return false;
 
    const cryptonote::txin_to_key& txin = boost::get<cryptonote::txin_to_key>(m_tx.vin[0]);
    m_key = rct::ki2rct(txin.k_image);
 
    return true;
  }
 
  bool test()
  {
    ge_p3 unp;
    return ge_frombytes_vartime(&unp, (const unsigned char*) &m_key) == 0;
  }
 
private:
  rct::key m_key;
};