ge_frombytes_vartime.h

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// Copyright (c) 2014-2022, The Monero Project
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//    of conditions and the following disclaimer in the documentation and/or other
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// 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;
};