monero/tests/performance_tests/cn_slow_hash.h

// Copyright (c) 2014-2017, 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:
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// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
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// 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.
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//    used to endorse or promote products derived from this software without specific
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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 "string_tools.h"
#include "crypto/crypto.h"
#include "cryptonote_basic/cryptonote_basic.h"

class test_cn_slow_hash
{
public:
  static const size_t loop_count = 10;

#pragma pack(push, 1)
  struct data_t
  {
    char data[13];
  };
#pragma pack(pop)

  static_assert(13 == sizeof(data_t), "Invalid structure size");

  bool init()
  {
    if (!epee::string_tools::hex_to_pod("63617665617420656d70746f72", m_data))
      return false;

    if (!epee::string_tools::hex_to_pod("bbec2cacf69866a8e740380fe7b818fc78f8571221742d729d9d02d7f8989b87", m_expected_hash))
      return false;

    return true;
  }

  bool test()
  {
    crypto::hash hash;
    crypto::cn_slow_hash(&m_data, sizeof(m_data), hash);
    return hash == m_expected_hash;
  }

private:
  data_t m_data;
  crypto::hash m_expected_hash;
};