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fix check_tx_key for carrot tx using x25519 derivation

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This commit is contained in:
auruya
2025-10-21 10:26:20 +03:00
parent 48fb95bdc1
commit 0a79a4d9fd
1 changed files with 35 additions and 6 deletions
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src/wallet/wallet2.cpp
+35 -6
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@@ -12999,15 +12999,44 @@ bool wallet2::check_spend_proof(const crypto::hash &txid, const std::string &mes
void wallet2::check_tx_key(const crypto::hash &txid, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations)
{
crypto::key_derivation derivation;
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(address.m_view_public_key, tx_key, derivation), error::wallet_internal_error,
"Failed to generate key derivation from supplied parameters");
std::vector<crypto::key_derivation> additional_derivations;
additional_derivations.resize(additional_tx_keys.size());
for (size_t i = 0; i < additional_tx_keys.size(); ++i)
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(address.m_view_public_key, additional_tx_keys[i], additional_derivations[i]), error::wallet_internal_error,
if (address.m_is_carrot)
{
// For Carrot enotes, use X25519 scalar multiplication
mx25519_pubkey s_sender_receiver_unctx;
bool success = carrot::make_carrot_uncontextualized_shared_key_sender(
tx_key,
address.m_view_public_key,
s_sender_receiver_unctx);
THROW_WALLET_EXCEPTION_IF(!success, error::wallet_internal_error,
"Failed to generate X25519 key derivation from supplied parameters (main)");
derivation = carrot::raw_byte_convert<crypto::key_derivation>(s_sender_receiver_unctx);
additional_derivations.resize(additional_tx_keys.size());
for (size_t i = 0; i < additional_tx_keys.size(); ++i)
{
mx25519_pubkey additional_s_sender_receiver_unctx;
success = carrot::make_carrot_uncontextualized_shared_key_sender(
additional_tx_keys[i],
address.m_view_public_key,
additional_s_sender_receiver_unctx);
THROW_WALLET_EXCEPTION_IF(!success, error::wallet_internal_error,
"Failed to generate X25519 key derivation from supplied parameters (additional)");
additional_derivations[i] = carrot::raw_byte_convert<crypto::key_derivation>(additional_s_sender_receiver_unctx);
}
}
else
{
// For legacy enotes, use Edwards curve multiplication
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(address.m_view_public_key, tx_key, derivation), error::wallet_internal_error,
"Failed to generate key derivation from supplied parameters");
additional_derivations.resize(additional_tx_keys.size());
for (size_t i = 0; i < additional_tx_keys.size(); ++i)
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(address.m_view_public_key, additional_tx_keys[i], additional_derivations[i]), error::wallet_internal_error,
"Failed to generate key derivation from supplied parameters");
}
check_tx_key_helper(txid, derivation, additional_derivations, address, received, in_pool, confirmations);
}