169 lines
6.6 KiB
C++
169 lines
6.6 KiB
C++
// Copyright (c) 2014-2017, 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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#include "gtest/gtest.h"
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#include "mnemonics/electrum-words.h"
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#include "crypto/crypto.h"
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#include <stdlib.h>
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#include <vector>
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#include <time.h>
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#include <iostream>
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#include <boost/algorithm/string.hpp>
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#include "mnemonics/english.h"
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#include "mnemonics/spanish.h"
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#include "mnemonics/portuguese.h"
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#include "mnemonics/japanese.h"
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#include "mnemonics/old_english.h"
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#include "mnemonics/language_base.h"
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#include "mnemonics/singleton.h"
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namespace
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{
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/*!
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* \brief Compares vectors for equality
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* \param expected expected vector
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* \param present current vector
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*/
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void compare_vectors(const std::vector<std::string> &expected, const std::vector<std::string> &present)
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{
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std::vector<std::string>::const_iterator it1, it2;
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for (it1 = expected.begin(), it2 = present.begin(); it1 != expected.end() && it2 != present.end();
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it1++, it2++)
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{
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ASSERT_STREQ(it1->c_str(), it2->c_str());
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}
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}
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/*!
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* \brief Tests the given language mnemonics.
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* \param language A Language instance to test
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*/
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void test_language(const Language::Base &language)
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{
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const std::vector<std::string> &word_list = language.get_word_list();
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std::string seed = "", return_seed = "";
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// Generate a random seed without checksum
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crypto::secret_key randkey;
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for (size_t ii = 0; ii < sizeof(randkey); ++ii)
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{
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randkey.data[ii] = rand();
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}
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crypto::ElectrumWords::bytes_to_words(randkey, seed, language.get_language_name());
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// remove the checksum word
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const char *space = strrchr(seed.c_str(), ' ');
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ASSERT_TRUE(space != NULL);
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seed = std::string(seed.c_str(), space-seed.c_str());
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std::cout << "Test seed without checksum:\n";
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std::cout << seed << std::endl;
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crypto::secret_key key;
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std::string language_name;
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bool res;
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std::vector<std::string> seed_vector, return_seed_vector;
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std::string checksum_word;
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// Convert it to secret key
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res = crypto::ElectrumWords::words_to_bytes(seed, key, language_name);
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ASSERT_EQ(true, res);
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std::cout << "Detected language: " << language_name << std::endl;
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ASSERT_STREQ(language.get_language_name().c_str(), language_name.c_str());
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// Convert the secret key back to seed
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crypto::ElectrumWords::bytes_to_words(key, return_seed, language.get_language_name());
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ASSERT_EQ(true, res);
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std::cout << "Returned seed:\n";
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std::cout << return_seed << std::endl;
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boost::split(seed_vector, seed, boost::is_any_of(" "));
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boost::split(return_seed_vector, return_seed, boost::is_any_of(" "));
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// Extract the checksum word
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checksum_word = return_seed_vector.back();
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return_seed_vector.pop_back();
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ASSERT_EQ(seed_vector.size(), return_seed_vector.size());
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// Ensure that the rest of it is same
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compare_vectors(seed_vector, return_seed_vector);
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// Append the checksum word to repeat the entire process with a seed with checksum
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seed += (" " + checksum_word);
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std::cout << "Test seed with checksum:\n";
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std::cout << seed << std::endl;
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res = crypto::ElectrumWords::words_to_bytes(seed, key, language_name);
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ASSERT_EQ(true, res);
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std::cout << "Detected language: " << language_name << std::endl;
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ASSERT_STREQ(language.get_language_name().c_str(), language_name.c_str());
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return_seed = "";
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crypto::ElectrumWords::bytes_to_words(key, return_seed, language.get_language_name());
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ASSERT_EQ(true, res);
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std::cout << "Returned seed:\n";
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std::cout << return_seed << std::endl;
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seed_vector.clear();
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return_seed_vector.clear();
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boost::split(seed_vector, seed, boost::is_any_of(" "));
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boost::split(return_seed_vector, return_seed, boost::is_any_of(" "));
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ASSERT_EQ(seed_vector.size(), return_seed_vector.size());
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compare_vectors(seed_vector, return_seed_vector);
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}
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}
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TEST(mnemonics, all_languages)
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{
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srand(time(NULL));
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std::vector<Language::Base*> languages({
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Language::Singleton<Language::English>::instance(),
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Language::Singleton<Language::Spanish>::instance(),
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Language::Singleton<Language::Portuguese>::instance(),
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Language::Singleton<Language::Japanese>::instance(),
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});
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for (std::vector<Language::Base*>::iterator it = languages.begin(); it != languages.end(); it++)
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{
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test_language(*(*it));
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}
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}
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TEST(mnemonics, language_detection_with_bad_checksum)
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{
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crypto::secret_key key;
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std::string language_name;
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bool res;
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// This Portuguese (4-prefix) seed has all its words with 3-prefix that's also present in English
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const std::string base_seed = "cinzento luxuriante leonardo gnostico digressao cupula fifa broxar iniquo louvor ovario dorsal ideologo besuntar decurso rosto susto lemure unheiro pagodeiro nitroglicerina eclusa mazurca bigorna";
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const std::string real_checksum = "gnostico";
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res = crypto::ElectrumWords::words_to_bytes(base_seed, key, language_name);
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ASSERT_EQ(true, res);
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ASSERT_STREQ(language_name.c_str(), "Portuguese");
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res = crypto::ElectrumWords::words_to_bytes(base_seed + " " + real_checksum, key, language_name);
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ASSERT_EQ(true, res);
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ASSERT_STREQ(language_name.c_str(), "Portuguese");
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}
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