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https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-26 17:32:33 +00:00
wallet2: switch to chacha20 instead of chacha8
Wallet caches and keys files are loaded with chacha8 as needed, but only saved with chacha20. Other data (eg, cold wallet data files, etc) will be incompatible.
This commit is contained in:
moneromooo-monero
parent
1e5491e942
commit
5ad312a1c3
1 changed files with 36 additions and 19 deletions
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@ -2378,7 +2378,7 @@ bool wallet2::store_keys(const std::string& keys_file_name, const epee::wipeable
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std::string cipher;
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cipher.resize(account_data.size());
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keys_file_data.iv = crypto::rand<crypto::chacha_iv>();
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crypto::chacha8(account_data.data(), account_data.size(), key, keys_file_data.iv, &cipher[0]);
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crypto::chacha20(account_data.data(), account_data.size(), key, keys_file_data.iv, &cipher[0]);
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keys_file_data.account_data = cipher;
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std::string buf;
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@ -2406,6 +2406,7 @@ namespace
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*/
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bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_string& password)
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{
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rapidjson::Document json;
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wallet2::keys_file_data keys_file_data;
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std::string buf;
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bool r = epee::file_io_utils::load_file_to_string(keys_file_name, buf);
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@ -2418,10 +2419,11 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
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crypto::generate_chacha_key(password.data(), password.size(), key);
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std::string account_data;
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account_data.resize(keys_file_data.account_data.size());
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crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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crypto::chacha20(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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if (json.Parse(account_data.c_str()).HasParseError() || !json.IsObject())
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crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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// The contents should be JSON if the wallet follows the new format.
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rapidjson::Document json;
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if (json.Parse(account_data.c_str()).HasParseError())
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{
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is_old_file_format = true;
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@ -2591,6 +2593,7 @@ bool wallet2::verify_password(const epee::wipeable_string& password) const
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*/
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bool wallet2::verify_password(const std::string& keys_file_name, const epee::wipeable_string& password, bool no_spend_key)
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{
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rapidjson::Document json;
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wallet2::keys_file_data keys_file_data;
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std::string buf;
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bool r = epee::file_io_utils::load_file_to_string(keys_file_name, buf);
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@ -2603,10 +2606,11 @@ bool wallet2::verify_password(const std::string& keys_file_name, const epee::wip
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crypto::generate_chacha_key(password.data(), password.size(), key);
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std::string account_data;
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account_data.resize(keys_file_data.account_data.size());
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crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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crypto::chacha20(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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if (json.Parse(account_data.c_str()).HasParseError() || !json.IsObject())
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crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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// The contents should be JSON if the wallet follows the new format.
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rapidjson::Document json;
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if (json.Parse(account_data.c_str()).HasParseError())
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{
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// old format before JSON wallet key file format
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@ -3345,30 +3349,42 @@ void wallet2::load(const std::string& wallet_, const epee::wipeable_string& pass
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generate_chacha_key_from_secret_keys(key);
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std::string cache_data;
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cache_data.resize(cache_file_data.cache_data.size());
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crypto::chacha8(cache_file_data.cache_data.data(), cache_file_data.cache_data.size(), key, cache_file_data.iv, &cache_data[0]);
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crypto::chacha20(cache_file_data.cache_data.data(), cache_file_data.cache_data.size(), key, cache_file_data.iv, &cache_data[0]);
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std::stringstream iss;
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iss << cache_data;
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try {
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std::stringstream iss;
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iss << cache_data;
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boost::archive::portable_binary_iarchive ar(iss);
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ar >> *this;
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}
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catch (...)
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{
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LOG_PRINT_L0("Failed to open portable binary, trying unportable");
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boost::filesystem::copy_file(m_wallet_file, m_wallet_file + ".unportable", boost::filesystem::copy_option::overwrite_if_exists);
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iss.str("");
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iss << cache_data;
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boost::archive::binary_iarchive ar(iss);
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ar >> *this;
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crypto::chacha8(cache_file_data.cache_data.data(), cache_file_data.cache_data.size(), key, cache_file_data.iv, &cache_data[0]);
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try
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{
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std::stringstream iss;
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iss << cache_data;
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boost::archive::portable_binary_iarchive ar(iss);
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ar >> *this;
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}
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catch (...)
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{
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LOG_PRINT_L0("Failed to open portable binary, trying unportable");
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boost::filesystem::copy_file(m_wallet_file, m_wallet_file + ".unportable", boost::filesystem::copy_option::overwrite_if_exists);
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std::stringstream iss;
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iss.str("");
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iss << cache_data;
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boost::archive::binary_iarchive ar(iss);
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ar >> *this;
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}
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}
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}
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catch (...)
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{
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LOG_PRINT_L1("Failed to load encrypted cache, trying unencrypted");
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std::stringstream iss;
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iss << buf;
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try {
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std::stringstream iss;
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iss << buf;
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boost::archive::portable_binary_iarchive ar(iss);
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ar >> *this;
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}
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@ -3376,6 +3392,7 @@ void wallet2::load(const std::string& wallet_, const epee::wipeable_string& pass
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{
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LOG_PRINT_L0("Failed to open portable binary, trying unportable");
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boost::filesystem::copy_file(m_wallet_file, m_wallet_file + ".unportable", boost::filesystem::copy_option::overwrite_if_exists);
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std::stringstream iss;
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iss.str("");
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iss << buf;
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boost::archive::binary_iarchive ar(iss);
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@ -3505,7 +3522,7 @@ void wallet2::store_to(const std::string &path, const epee::wipeable_string &pas
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std::string cipher;
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cipher.resize(cache_file_data.cache_data.size());
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cache_file_data.iv = crypto::rand<crypto::chacha_iv>();
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crypto::chacha8(cache_file_data.cache_data.data(), cache_file_data.cache_data.size(), key, cache_file_data.iv, &cipher[0]);
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crypto::chacha20(cache_file_data.cache_data.data(), cache_file_data.cache_data.size(), key, cache_file_data.iv, &cipher[0]);
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cache_file_data.cache_data = cipher;
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const std::string new_file = same_file ? m_wallet_file + ".new" : path;
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@ -8725,7 +8742,7 @@ std::string wallet2::encrypt(const std::string &plaintext, const crypto::secret_
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std::string ciphertext;
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crypto::chacha_iv iv = crypto::rand<crypto::chacha_iv>();
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ciphertext.resize(plaintext.size() + sizeof(iv) + (authenticated ? sizeof(crypto::signature) : 0));
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crypto::chacha8(plaintext.data(), plaintext.size(), key, iv, &ciphertext[sizeof(iv)]);
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crypto::chacha20(plaintext.data(), plaintext.size(), key, iv, &ciphertext[sizeof(iv)]);
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memcpy(&ciphertext[0], &iv, sizeof(iv));
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if (authenticated)
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{
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@ -8765,7 +8782,7 @@ std::string wallet2::decrypt(const std::string &ciphertext, const crypto::secret
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THROW_WALLET_EXCEPTION_IF(!crypto::check_signature(hash, pkey, signature),
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error::wallet_internal_error, "Failed to authenticate ciphertext");
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}
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crypto::chacha8(ciphertext.data() + sizeof(iv), ciphertext.size() - prefix_size, key, iv, &plaintext[0]);
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crypto::chacha20(ciphertext.data() + sizeof(iv), ciphertext.size() - prefix_size, key, iv, &plaintext[0]);
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return plaintext;
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}
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//----------------------------------------------------------------------------------------------------
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