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wallet: allow message sign/verify for subaddresses

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moneromooo-monero committed Oct 31, 2019
1 parent 4c9fd8d commit 4f3ab080ac3fd292c820c99e15db510121b6fee1
@@ -214,7 +214,7 @@ namespace
const char* USAGE_GET_TX_NOTE("get_tx_note <txid>");
const char* USAGE_GET_DESCRIPTION("get_description");
const char* USAGE_SET_DESCRIPTION("set_description [free text note]");
const char* USAGE_SIGN("sign <filename>");
const char* USAGE_SIGN("sign [<account_index>,<address_index>] <filename>");
const char* USAGE_VERIFY("verify <filename> <address> <signature>");
const char* USAGE_EXPORT_KEY_IMAGES("export_key_images [all] <filename>");
const char* USAGE_IMPORT_KEY_IMAGES("import_key_images <filename>");
@@ -3356,7 +3356,7 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("sign",
boost::bind(&simple_wallet::on_command, this, &simple_wallet::sign, _1),
tr(USAGE_SIGN),
tr("Sign the contents of a file."));
tr("Sign the contents of a file with the given subaddress (or the main address if not specified)"));
m_cmd_binder.set_handler("verify",
boost::bind(&simple_wallet::on_command, this, &simple_wallet::verify, _1),
tr(USAGE_VERIFY),
@@ -9593,7 +9593,7 @@ bool simple_wallet::sign(const std::vector<std::string> &args)
fail_msg_writer() << tr("command not supported by HW wallet");
return true;
}
if (args.size() != 1)
if (args.size() != 1 && args.size() != 2)
{
PRINT_USAGE(USAGE_SIGN);
return true;
@@ -9609,7 +9609,20 @@ bool simple_wallet::sign(const std::vector<std::string> &args)
return true;
}

std::string filename = args[0];
subaddress_index index{0, 0};
if (args.size() == 2)
{
unsigned int a, b;
if (sscanf(args[0].c_str(), "%u,%u", &a, &b) != 2)
{
fail_msg_writer() << tr("Invalid subaddress index format");
return true;
}
index.major = a;
index.minor = b;
}

std::string filename = args.back();
std::string data;
bool r = m_wallet->load_from_file(filename, data);
if (!r)
@@ -9620,7 +9633,7 @@ bool simple_wallet::sign(const std::vector<std::string> &args)

SCOPED_WALLET_UNLOCK();

std::string signature = m_wallet->sign(data);
std::string signature = m_wallet->sign(data, index);
success_msg_writer() << signature;
return true;
}
@@ -11777,13 +11777,27 @@ void wallet2::set_account_tag_description(const std::string& tag, const std::str
m_account_tags.first[tag] = description;
}

std::string wallet2::sign(const std::string &data) const
std::string wallet2::sign(const std::string &data, cryptonote::subaddress_index index) const
{
crypto::hash hash;
crypto::cn_fast_hash(data.data(), data.size(), hash);
const cryptonote::account_keys &keys = m_account.get_keys();
crypto::signature signature;
crypto::generate_signature(hash, keys.m_account_address.m_spend_public_key, keys.m_spend_secret_key, signature);
crypto::secret_key skey;
crypto::public_key pkey;
if (index.is_zero())
{
skey = keys.m_spend_secret_key;
pkey = keys.m_account_address.m_spend_public_key;
}
else
{
skey = keys.m_spend_secret_key;
crypto::secret_key m = m_account.get_device().get_subaddress_secret_key(m_account.get_keys().m_view_secret_key, index);
sc_add((unsigned char*)&skey, (unsigned char*)&m, (unsigned char*)&skey);
secret_key_to_public_key(skey, pkey);
}
crypto::generate_signature(hash, pkey, skey, signature);
return std::string("SigV1") + tools::base58::encode(std::string((const char *)&signature, sizeof(signature)));
}

@@ -1182,7 +1182,7 @@ namespace tools
*/
void set_account_tag_description(const std::string& tag, const std::string& description);

std::string sign(const std::string &data) const;
std::string sign(const std::string &data, cryptonote::subaddress_index index = {0, 0}) const;
bool verify(const std::string &data, const cryptonote::account_public_address &address, const std::string &signature) const;

/*!
@@ -1943,7 +1943,7 @@ namespace tools
return false;
}

res.signature = m_wallet->sign(req.data);
res.signature = m_wallet->sign(req.data, {req.account_index, req.address_index});
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
@@ -1591,9 +1591,13 @@ namespace wallet_rpc
struct request_t
{
std::string data;
uint32_t account_index;
uint32_t address_index;

BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(data);
KV_SERIALIZE(data)
KV_SERIALIZE_OPT(account_index, 0u)
KV_SERIALIZE_OPT(address_index, 0u)
END_KV_SERIALIZE_MAP()
};
typedef epee::misc_utils::struct_init<request_t> request;
@@ -43,7 +43,8 @@
class MessageSigningTest():
def run_test(self):
self.create()
self.check_signing()
self.check_signing(False)
self.check_signing(True)

def create(self):
print('Creating wallets')
@@ -65,20 +66,34 @@ def create(self):
assert res.address == self.address[i]
assert res.seed == seeds[i]

def check_signing(self):
print('Signing/verifing messages')
def check_signing(self, subaddress):
print('Signing/verifing messages with ' + ('subaddress' if subaddress else 'standard address'))
messages = ['foo', '']
if subaddress:
address = []
for i in range(2):
res = self.wallet[i].create_account()
if i == 0:
account_index = res.account_index
res = self.wallet[i].create_address(account_index = account_index)
if i == 0:
address_index = res.address_index
address.append(res.address)
else:
address = [self.address[0], self.address[1]]
account_index = 0
address_index = 0
for message in messages:
res = self.wallet[0].sign(message)
res = self.wallet[0].sign(message, account_index = account_index, address_index = address_index)
signature = res.signature
for i in range(2):
res = self.wallet[i].verify(message, self.address[0], signature)
res = self.wallet[i].verify(message, address[0], signature)
assert res.good
res = self.wallet[i].verify('different', self.address[0], signature)
res = self.wallet[i].verify('different', address[0], signature)
assert not res.good
res = self.wallet[i].verify(message, self.address[1], signature)
res = self.wallet[i].verify(message, address[1], signature)
assert not res.good
res = self.wallet[i].verify(message, self.address[0], signature + 'x')
res = self.wallet[i].verify(message, address[0], signature + 'x')
assert not res.good

if __name__ == '__main__':
@@ -705,11 +705,13 @@ def check_reserve_proof(self, address = '', message = '', signature = ''):
}
return self.rpc.send_json_rpc_request(check_reserve_proof)

def sign(self, data):
def sign(self, data, account_index = 0, address_index = 0):
sign = {
'method': 'sign',
'params' : {
'data': data,
'account_index': account_index,
'address_index': address_index,
},
'jsonrpc': '2.0',
'id': '0'

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