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Merge pull request #5 from j-berman/restore-msig-encrypted-seed

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multisig: fix segfault restoring encrypted multisig seed
This commit is contained in:
Justin Berman 2022-09-08 00:20:18 +01:00 committed by GitHub
commit 12e7c4188e
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2 changed files with 17 additions and 17 deletions
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28
src/simplewallet/simplewallet.cpp
View File

@ -4118,6 +4118,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
epee::wipeable_string multisig_keys; epee::wipeable_string multisig_keys;
epee::wipeable_string password; epee::wipeable_string password;
epee::wipeable_string seed_pass;
if (!handle_command_line(vm)) if (!handle_command_line(vm))
return false; return false;
@ -4224,20 +4225,10 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
auto pwd_container = password_prompter(tr("Enter seed offset passphrase, empty if none"), false); auto pwd_container = password_prompter(tr("Enter seed offset passphrase, empty if none"), false);
if (std::cin.eof() || !pwd_container) if (std::cin.eof() || !pwd_container)
return false; return false;
epee::wipeable_string seed_pass = pwd_container->password(); seed_pass = pwd_container->password();
if (!seed_pass.empty()) if (!seed_pass.empty() && !m_restore_multisig_wallet)
{
if (m_restore_multisig_wallet)
{
crypto::secret_key key;
crypto::cn_slow_hash(seed_pass.data(), seed_pass.size(), (crypto::hash&)key);
sc_reduce32((unsigned char*)key.data);
multisig_keys = m_wallet->decrypt<epee::wipeable_string>(std::string(multisig_keys.data(), multisig_keys.size()), key, true);
}
else
m_recovery_key = cryptonote::decrypt_key(m_recovery_key, seed_pass); m_recovery_key = cryptonote::decrypt_key(m_recovery_key, seed_pass);
} }
}
if (!m_generate_from_view_key.empty()) if (!m_generate_from_view_key.empty())
{ {
m_wallet_file = m_generate_from_view_key; m_wallet_file = m_generate_from_view_key;
@ -4579,7 +4570,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
m_wallet_file = m_generate_new; m_wallet_file = m_generate_new;
boost::optional<epee::wipeable_string> r; boost::optional<epee::wipeable_string> r;
if (m_restore_multisig_wallet) if (m_restore_multisig_wallet)
r = new_wallet(vm, multisig_keys, old_language); r = new_wallet(vm, multisig_keys, seed_pass, old_language);
else else
r = new_wallet(vm, m_recovery_key, m_restore_deterministic_wallet, m_non_deterministic, old_language); r = new_wallet(vm, m_recovery_key, m_restore_deterministic_wallet, m_non_deterministic, old_language);
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed")); CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
@ -5070,7 +5061,7 @@ boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::pr
} }
//---------------------------------------------------------------------------------------------------- //----------------------------------------------------------------------------------------------------
boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::program_options::variables_map& vm, boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::program_options::variables_map& vm,
const epee::wipeable_string &multisig_keys, const std::string &old_language) const epee::wipeable_string &multisig_keys, const epee::wipeable_string &seed_pass, const std::string &old_language)
{ {
std::pair<std::unique_ptr<tools::wallet2>, tools::password_container> rc; std::pair<std::unique_ptr<tools::wallet2>, tools::password_container> rc;
try { rc = tools::wallet2::make_new(vm, false, password_prompter); } try { rc = tools::wallet2::make_new(vm, false, password_prompter); }
@ -5104,7 +5095,16 @@ boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::pr
try try
{ {
if (seed_pass.empty())
m_wallet->generate(m_wallet_file, std::move(rc.second).password(), multisig_keys, create_address_file); m_wallet->generate(m_wallet_file, std::move(rc.second).password(), multisig_keys, create_address_file);
else
{
crypto::secret_key key;
crypto::cn_slow_hash(seed_pass.data(), seed_pass.size(), (crypto::hash&)key);
sc_reduce32((unsigned char*)key.data);
const epee::wipeable_string &msig_keys = m_wallet->decrypt<epee::wipeable_string>(std::string(multisig_keys.data(), multisig_keys.size()), key, true);
m_wallet->generate(m_wallet_file, std::move(rc.second).password(), msig_keys, create_address_file);
}
bool ready; bool ready;
uint32_t threshold, total; uint32_t threshold, total;
if (!m_wallet->multisig(&ready, &threshold, &total) || !ready) if (!m_wallet->multisig(&ready, &threshold, &total) || !ready)

2
src/simplewallet/simplewallet.h
View File

@ -101,7 +101,7 @@ namespace cryptonote
boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm, const cryptonote::account_public_address& address, boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm, const cryptonote::account_public_address& address,
const boost::optional<crypto::secret_key>& spendkey, const crypto::secret_key& viewkey); const boost::optional<crypto::secret_key>& spendkey, const crypto::secret_key& viewkey);
boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm, boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm,
const epee::wipeable_string &multisig_keys, const std::string &old_language); const epee::wipeable_string &multisig_keys, const epee::wipeable_string &seed_pass, const std::string &old_language);
boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm); boost::optional<epee::wipeable_string> new_wallet(const boost::program_options::variables_map& vm);
boost::optional<epee::wipeable_string> open_wallet(const boost::program_options::variables_map& vm); boost::optional<epee::wipeable_string> open_wallet(const boost::program_options::variables_map& vm);
bool close_wallet(); bool close_wallet();