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Added unit test. Fails for Japanese for some reason.

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pull/95/head
Oran Juice 10 years ago
parent 4c8a628de2
commit b94b8cd798
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GPG Key ID: 71C5AF46CCB28124
3 changed files with 173 additions and 5 deletions
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8
src/mnemonics/electrum-words.cpp
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@ -61,7 +61,6 @@
namespace
{
const int seed_length = 24;
/*!
* \brief Finds the word list that contains the seed words and puts the indices
@ -154,7 +153,7 @@ namespace
}
boost::crc_32_type result;
result.process_bytes(trimmed_words.data(), trimmed_words.length());
return result.checksum() % seed_length;
return result.checksum() % crypto::ElectrumWords::seed_length;
}
/*!
@ -200,11 +199,12 @@ namespace crypto
* \param language_name Language of the seed as found gets written here.
* \return false if not a multiple of 3 words, or if word is not in the words list
*/
bool words_to_bytes(const std::string& words, crypto::secret_key& dst,
bool words_to_bytes(std::string words, crypto::secret_key& dst,
std::string &language_name)
{
std::vector<std::string> seed;
boost::algorithm::trim(words);
boost::split(seed, words, boost::is_any_of(" "));
// error on non-compliant word list
@ -234,7 +234,7 @@ namespace crypto
return false;
}
seed.pop_back();
}
}
for (unsigned int i=0; i < seed.size() / 3; i++)
{

3
src/mnemonics/electrum-words.h
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@ -59,6 +59,7 @@ namespace crypto
namespace ElectrumWords
{
const int seed_length = 24;
const std::string old_language_name = "OldEnglish";
/*!
* \brief Converts seed words to bytes (secret key).
@ -67,7 +68,7 @@ namespace crypto
* \param language_name Language of the seed as found gets written here.
* \return false if not a multiple of 3 words, or if word is not in the words list
*/
bool words_to_bytes(const std::string& words, crypto::secret_key& dst,
bool words_to_bytes(std::string words, crypto::secret_key& dst,
std::string &language_name);
/*!

167
tests/unit_tests/mnemonics.cpp
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@ -0,0 +1,167 @@
// Copyright (c) 2014, 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.
#include "gtest/gtest.h"
#include "mnemonics/electrum-words.h"
#include "crypto/crypto.h"
#include <stdlib.h>
#include <vector>
#include <time.h>
#include <iostream>
#include <boost/algorithm/string.hpp>
#include "mnemonics/english.h"
#include "mnemonics/spanish.h"
#include "mnemonics/portuguese.h"
#include "mnemonics/japanese.h"
#include "mnemonics/old_english.h"
#include "mnemonics/language_base.h"
#include "mnemonics/singleton.h"
namespace
{
/*!
* \brief Returns random index from 0 to max-1
* \param max Range maximum
* \return required random index
*/
uint32_t get_random_index(int max)
{
return rand() % max;
}
/*!
* \brief Print a seed
* \param seed word list
*/
void print_seed(const std::vector<std::string> &seed)
{
for (std::vector<std::string>::const_iterator it = seed.begin(); it != seed.end(); it++)
{
std::cout << *it << " ";
}
std::cout << std::endl;
}
/*!
* \brief Compares vectors for equality
* \param expected expected vector
* \param present current vector
*/
void compare_vectors(const std::vector<std::string> &expected, const std::vector<std::string> &present)
{
std::vector<std::string>::const_iterator it1, it2;
for (it1 = expected.begin(), it2 = present.begin(); it1 != expected.end() && it2 != present.end();
it1++, it2++)
{
ASSERT_STREQ(it1->c_str(), it2->c_str());
}
}
/*!
* \brief Tests the given language mnemonics.
* \param language A Language instance to test
*/
void test_language(const Language::Base &language)
{
const std::vector<std::string> &word_list = language.get_word_list();
std::string seed = "", return_seed = "";
// Generate a random seed without checksum
for (int ii = 0; ii < crypto::ElectrumWords::seed_length; ii++)
{
seed += (word_list[get_random_index(word_list.size())] + ' ');
}
seed.pop_back();
std::cout << "Test seed without checksum:\n";
std::cout << seed << std::endl;
crypto::secret_key key;
std::string language_name;
bool res;
std::vector<std::string> seed_vector, return_seed_vector;
std::string checksum_word;
// Convert it to secret key
res = crypto::ElectrumWords::words_to_bytes(seed, key, language_name);
ASSERT_EQ(true, res);
std::cout << "Detected language: " << language_name << std::endl;
ASSERT_STREQ(language.get_language_name().c_str(), language_name.c_str());
// Convert the secret key back to seed
crypto::ElectrumWords::bytes_to_words(key, return_seed, language.get_language_name());
ASSERT_EQ(true, res);
std::cout << "Returned seed:\n";
std::cout << return_seed << std::endl;
boost::split(seed_vector, seed, boost::is_any_of(" "));
boost::split(return_seed_vector, return_seed, boost::is_any_of(" "));
// Extract the checksum word
checksum_word = return_seed_vector.back();
return_seed_vector.pop_back();
ASSERT_EQ(seed_vector.size(), return_seed_vector.size());
// Ensure that the rest of it is same
compare_vectors(seed_vector, return_seed_vector);
// Append the checksum word to repeat the entire process with a seed with checksum
seed += (" " + checksum_word);
std::cout << "Test seed with checksum:\n";
std::cout << seed << std::endl;
res = crypto::ElectrumWords::words_to_bytes(seed, key, language_name);
ASSERT_EQ(true, res);
std::cout << "Detected language: " << language_name << std::endl;
ASSERT_STREQ(language.get_language_name().c_str(), language_name.c_str());
return_seed = "";
crypto::ElectrumWords::bytes_to_words(key, return_seed, language.get_language_name());
ASSERT_EQ(true, res);
std::cout << "Returned seed:\n";
std::cout << return_seed << std::endl;
seed_vector.clear();
return_seed_vector.clear();
boost::split(seed_vector, seed, boost::is_any_of(" "));
boost::split(return_seed_vector, return_seed, boost::is_any_of(" "));
ASSERT_EQ(seed_vector.size(), return_seed_vector.size());
compare_vectors(seed_vector, return_seed_vector);
}
}
TEST(mnemonics, all_languages)
{
srand(time(NULL));
std::vector<Language::Base*> languages({
Language::Singleton<Language::English>::instance(),
Language::Singleton<Language::Spanish>::instance(),
Language::Singleton<Language::Portuguese>::instance(),
Language::Singleton<Language::Japanese>::instance(),
});
for (std::vector<Language::Base*>::iterator it = languages.begin(); it != languages.end(); it++)
{
test_language(*(*it));
}
}
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