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Merge pull request #10470

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5835a23 wallet2: use decodeRct for reserve proof amount validation (selsta)
This commit is contained in:
tobtoht
2026-04-29 12:30:05 +00:00
parent 35eb46dbd5 5835a2378e
commit ca5b4e74d9
1 changed files with 4 additions and 18 deletions
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src/wallet/wallet2.cpp
+4 -18
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@@ -12120,19 +12120,8 @@ void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypt
}
else
{
crypto::secret_key scalar1;
crypto::derivation_to_scalar(found_derivation, n, scalar1);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n];
rct::ecdhDecode(ecdh_info, rct::sk2rct(scalar1), tx.rct_signatures.type == rct::RCTTypeBulletproof2 || tx.rct_signatures.type == rct::RCTTypeCLSAG || tx.rct_signatures.type == rct::RCTTypeBulletproofPlus);
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");
THROW_WALLET_EXCEPTION_IF(sc_check(ecdh_info.amount.bytes) != 0, error::wallet_internal_error, "Bad ECDH input amount");
rct::addKeys2(Ctmp, ecdh_info.mask, ecdh_info.amount, rct::H);
if (rct::equalKeys(C, Ctmp))
amount = rct::h2d(ecdh_info.amount);
else
amount = 0;
rct::key mask;
amount = decodeRct(tx.rct_signatures, found_derivation, n, mask, hw::get_device("default"));
}
received += amount;
}
@@ -12754,11 +12743,8 @@ bool wallet2::check_reserve_proof(const cryptonote::account_public_address &addr
if (amount == 0)
{
// decode rct
crypto::secret_key shared_secret;
crypto::derivation_to_scalar(derivation, proof.index_in_tx, shared_secret);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[proof.index_in_tx];
rct::ecdhDecode(ecdh_info, rct::sk2rct(shared_secret), tx.rct_signatures.type == rct::RCTTypeBulletproof2 || tx.rct_signatures.type == rct::RCTTypeCLSAG || tx.rct_signatures.type == rct::RCTTypeBulletproofPlus);
amount = rct::h2d(ecdh_info.amount);
rct::key mask_;
amount = decodeRct(tx.rct_signatures, derivation, proof.index_in_tx, mask_, hw::get_device("default"));
}
total += amount;
if (kispent_res.spent_status[i])