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wallet2: check generate_key_derivation return value

This commit is contained in:
moneromooo-monero 2017-11-15 22:27:30 +00:00
parent dc6a8014bd
commit 6cbe7bcdd2
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
1 changed files with 11 additions and 2 deletions
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13
src/wallet/wallet2.cpp
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@ -834,7 +834,12 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
tools::threadpool::waiter waiter; tools::threadpool::waiter waiter;
const cryptonote::account_keys& keys = m_account.get_keys(); const cryptonote::account_keys& keys = m_account.get_keys();
crypto::key_derivation derivation; crypto::key_derivation derivation;
generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation); if (!generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation))
{
MWARNING("Failed to generate key derivation from tx pubkey, skipping");
static_assert(sizeof(derivation) == sizeof(rct::key), "Mismatched sizes of key_derivation and rct::key");
memcpy(&derivation, rct::identity().bytes, sizeof(derivation));
}
// additional tx pubkeys and derivations for multi-destination transfers involving one or more subaddresses // additional tx pubkeys and derivations for multi-destination transfers involving one or more subaddresses
std::vector<crypto::public_key> additional_tx_pub_keys = get_additional_tx_pub_keys_from_extra(tx); std::vector<crypto::public_key> additional_tx_pub_keys = get_additional_tx_pub_keys_from_extra(tx);
@ -842,7 +847,11 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
for (size_t i = 0; i < additional_tx_pub_keys.size(); ++i) for (size_t i = 0; i < additional_tx_pub_keys.size(); ++i)
{ {
additional_derivations.push_back({}); additional_derivations.push_back({});
generate_key_derivation(additional_tx_pub_keys[i], keys.m_view_secret_key, additional_derivations.back()); if (!generate_key_derivation(additional_tx_pub_keys[i], keys.m_view_secret_key, additional_derivations.back()))
{
MWARNING("Failed to generate key derivation from tx pubkey, skipping");
additional_derivations.pop_back();
}
} }
if (miner_tx && m_refresh_type == RefreshNoCoinbase) if (miner_tx && m_refresh_type == RefreshNoCoinbase)