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Merge pull request #5332

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7c440915 Add get_tx_proof support, needed for new sanity check (cslashm)
98fdcb2a Add support for V11 protocol with BulletProofV2 and short amount. New scheme key destination contrfol Fix dummy decryption in debug mode (cslashm)
3a981a33 Add application version compatibility check. (cslashm)
This commit is contained in:
Riccardo Spagni
2019-04-01 17:35:12 +02:00
parent 3b52940471 7c44091541
commit b8ab510f23
11 changed files with 306 additions and 100 deletions
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src/wallet/wallet2.cpp
+29 -21
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@@ -10430,7 +10430,7 @@ void wallet2::check_tx_key(const crypto::hash &txid, const crypto::secret_key &t
void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received) const
{
received = 0;
hw::device &hwdev = m_account.get_device();
for (size_t n = 0; n < tx.vout.size(); ++n)
{
const cryptonote::txout_to_key* const out_key = boost::get<cryptonote::txout_to_key>(std::addressof(tx.vout[n].target));
@@ -10438,13 +10438,13 @@ void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypt
continue;
crypto::public_key derived_out_key;
bool r = hwdev.derive_public_key(derivation, n, address.m_spend_public_key, derived_out_key);
bool r = crypto::derive_public_key(derivation, n, address.m_spend_public_key, derived_out_key);
THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "Failed to derive public key");
bool found = out_key->key == derived_out_key;
crypto::key_derivation found_derivation = derivation;
if (!found && !additional_derivations.empty())
{
r = hwdev.derive_public_key(additional_derivations[n], n, address.m_spend_public_key, derived_out_key);
r = crypto::derive_public_key(additional_derivations[n], n, address.m_spend_public_key, derived_out_key);
THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "Failed to derive public key");
found = out_key->key == derived_out_key;
found_derivation = additional_derivations[n];
@@ -10460,9 +10460,9 @@ void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypt
else
{
crypto::secret_key scalar1;
hwdev.derivation_to_scalar(found_derivation, n, scalar1);
crypto::derivation_to_scalar(found_derivation, n, scalar1);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n];
hwdev.ecdhDecode(ecdh_info, rct::sk2rct(scalar1), tx.rct_signatures.type == rct::RCTTypeBulletproof2);
rct::ecdhDecode(ecdh_info, rct::sk2rct(scalar1), tx.rct_signatures.type == rct::RCTTypeBulletproof2);
const rct::key C = tx.rct_signatures.outPk[n].mask;
rct::key Ctmp;
THROW_WALLET_EXCEPTION_IF(sc_check(ecdh_info.mask.bytes) != 0, error::wallet_internal_error, "Bad ECDH input mask");
@@ -10573,6 +10573,8 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
std::string wallet2::get_tx_proof(const cryptonote::transaction &tx, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message) const
{
hw::device &hwdev = m_account.get_device();
rct::key aP;
// determine if the address is found in the subaddress hash table (i.e. whether the proof is outbound or inbound)
const bool is_out = m_subaddresses.count(address.m_spend_public_key) == 0;
@@ -10591,30 +10593,34 @@ std::string wallet2::get_tx_proof(const cryptonote::transaction &tx, const crypt
shared_secret.resize(num_sigs);
sig.resize(num_sigs);
shared_secret[0] = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(address.m_view_public_key), rct::sk2rct(tx_key)));
hwdev.scalarmultKey(aP, rct::pk2rct(address.m_view_public_key), rct::sk2rct(tx_key));
shared_secret[0] = rct::rct2pk(aP);
crypto::public_key tx_pub_key;
if (is_subaddress)
{
tx_pub_key = rct2pk(rct::scalarmultKey(rct::pk2rct(address.m_spend_public_key), rct::sk2rct(tx_key)));
crypto::generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, address.m_spend_public_key, shared_secret[0], tx_key, sig[0]);
hwdev.scalarmultKey(aP, rct::pk2rct(address.m_spend_public_key), rct::sk2rct(tx_key));
tx_pub_key = rct2pk(aP);
hwdev.generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, address.m_spend_public_key, shared_secret[0], tx_key, sig[0]);
}
else
{
crypto::secret_key_to_public_key(tx_key, tx_pub_key);
crypto::generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, boost::none, shared_secret[0], tx_key, sig[0]);
hwdev.secret_key_to_public_key(tx_key, tx_pub_key);
hwdev.generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, boost::none, shared_secret[0], tx_key, sig[0]);
}
for (size_t i = 1; i < num_sigs; ++i)
{
shared_secret[i] = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(address.m_view_public_key), rct::sk2rct(additional_tx_keys[i - 1])));
hwdev.scalarmultKey(aP, rct::pk2rct(address.m_view_public_key), rct::sk2rct(additional_tx_keys[i - 1]));
shared_secret[i] = rct::rct2pk(aP);
if (is_subaddress)
{
tx_pub_key = rct2pk(rct::scalarmultKey(rct::pk2rct(address.m_spend_public_key), rct::sk2rct(additional_tx_keys[i - 1])));
crypto::generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, address.m_spend_public_key, shared_secret[i], additional_tx_keys[i - 1], sig[i]);
hwdev.scalarmultKey(aP, rct::pk2rct(address.m_spend_public_key), rct::sk2rct(additional_tx_keys[i - 1]));
tx_pub_key = rct2pk(aP);
hwdev.generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, address.m_spend_public_key, shared_secret[i], additional_tx_keys[i - 1], sig[i]);
}
else
{
crypto::secret_key_to_public_key(additional_tx_keys[i - 1], tx_pub_key);
crypto::generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, boost::none, shared_secret[i], additional_tx_keys[i - 1], sig[i]);
hwdev.secret_key_to_public_key(additional_tx_keys[i - 1], tx_pub_key);
hwdev.generate_tx_proof(prefix_hash, tx_pub_key, address.m_view_public_key, boost::none, shared_secret[i], additional_tx_keys[i - 1], sig[i]);
}
}
sig_str = std::string("OutProofV1");
@@ -10630,25 +10636,27 @@ std::string wallet2::get_tx_proof(const cryptonote::transaction &tx, const crypt
sig.resize(num_sigs);
const crypto::secret_key& a = m_account.get_keys().m_view_secret_key;
shared_secret[0] = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(tx_pub_key), rct::sk2rct(a)));
hwdev.scalarmultKey(aP, rct::pk2rct(tx_pub_key), rct::sk2rct(a));
shared_secret[0] = rct2pk(aP);
if (is_subaddress)
{
crypto::generate_tx_proof(prefix_hash, address.m_view_public_key, tx_pub_key, address.m_spend_public_key, shared_secret[0], a, sig[0]);
hwdev.generate_tx_proof(prefix_hash, address.m_view_public_key, tx_pub_key, address.m_spend_public_key, shared_secret[0], a, sig[0]);
}
else
{
crypto::generate_tx_proof(prefix_hash, address.m_view_public_key, tx_pub_key, boost::none, shared_secret[0], a, sig[0]);
hwdev.generate_tx_proof(prefix_hash, address.m_view_public_key, tx_pub_key, boost::none, shared_secret[0], a, sig[0]);
}
for (size_t i = 1; i < num_sigs; ++i)
{
shared_secret[i] = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(additional_tx_pub_keys[i - 1]), rct::sk2rct(a)));
hwdev.scalarmultKey(aP,rct::pk2rct(additional_tx_pub_keys[i - 1]), rct::sk2rct(a));
shared_secret[i] = rct2pk(aP);
if (is_subaddress)
{
crypto::generate_tx_proof(prefix_hash, address.m_view_public_key, additional_tx_pub_keys[i - 1], address.m_spend_public_key, shared_secret[i], a, sig[i]);
hwdev.generate_tx_proof(prefix_hash, address.m_view_public_key, additional_tx_pub_keys[i - 1], address.m_spend_public_key, shared_secret[i], a, sig[i]);
}
else
{
crypto::generate_tx_proof(prefix_hash, address.m_view_public_key, additional_tx_pub_keys[i - 1], boost::none, shared_secret[i], a, sig[i]);
hwdev.generate_tx_proof(prefix_hash, address.m_view_public_key, additional_tx_pub_keys[i - 1], boost::none, shared_secret[i], a, sig[i]);
}
}
sig_str = std::string("InProofV1");