diff options
Diffstat (limited to 'src/simplewallet/simplewallet.cpp')
| -rw-r--r-- | src/simplewallet/simplewallet.cpp | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp index 9e7341451..7c5e8e541 100644 --- a/src/simplewallet/simplewallet.cpp +++ b/src/simplewallet/simplewallet.cpp @@ -3077,15 +3077,27 @@ bool simple_wallet::check_tx_key(const std::vector<std::string> &args_) try { rct::key Ctmp; - rct::key amount_key = rct::hash_to_scalar(rct::scalarmultKey(rct::pk2rct(address.m_view_public_key), rct::sk2rct(tx_key))); - rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n]; - rct::ecdhDecodeFromSharedSecret(ecdh_info, amount_key); - rct::key C = tx.rct_signatures.outPk[n].mask; - rct::addKeys2(Ctmp, ecdh_info.mask, ecdh_info.amount, rct::H); - if (rct::equalKeys(C, Ctmp)) - amount = rct::h2d(ecdh_info.amount); - else + //rct::key amount_key = rct::hash_to_scalar(rct::scalarmultKey(rct::pk2rct(address.m_view_public_key), rct::sk2rct(tx_key))); + crypto::key_derivation derivation; + bool r = crypto::generate_key_derivation(address.m_view_public_key, tx_key, derivation); + if (!r) + { + LOG_ERROR("Failed to generate key derivation to decode rct output " << n); amount = 0; + } + else + { + crypto::secret_key scalar1; + crypto::derivation_to_scalar(derivation, n, scalar1); + rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n]; + rct::ecdhDecode(ecdh_info, rct::sk2rct(scalar1)); + rct::key C = tx.rct_signatures.outPk[n].mask; + 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; + } } catch (...) { amount = 0; } } |