diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/wallet/scriptpubkeyman.cpp | 12 | ||||
-rw-r--r-- | src/wallet/scriptpubkeyman.h | 4 | ||||
-rw-r--r-- | src/wallet/walletdb.cpp | 29 |
3 files changed, 39 insertions, 6 deletions
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp index e4be5045e1..1fd6e8ea76 100644 --- a/src/wallet/scriptpubkeyman.cpp +++ b/src/wallet/scriptpubkeyman.cpp @@ -220,6 +220,7 @@ bool LegacyScriptPubKeyMan::CheckDecryptionKey(const CKeyingMaterial& master_key bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys bool keyFail = false; CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin(); + WalletBatch batch(m_storage.GetDatabase()); for (; mi != mapCryptedKeys.end(); ++mi) { const CPubKey &vchPubKey = (*mi).second.first; @@ -233,6 +234,10 @@ bool LegacyScriptPubKeyMan::CheckDecryptionKey(const CKeyingMaterial& master_key keyPass = true; if (fDecryptionThoroughlyChecked) break; + else { + // Rewrite these encrypted keys with checksums + batch.WriteCryptedKey(vchPubKey, vchCryptedSecret, mapKeyMetadata[vchPubKey.GetID()]); + } } if (keyPass && keyFail) { @@ -713,8 +718,13 @@ bool LegacyScriptPubKeyMan::AddKeyPubKeyInner(const CKey& key, const CPubKey &pu return true; } -bool LegacyScriptPubKeyMan::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) +bool LegacyScriptPubKeyMan::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret, bool checksum_valid) { + // Set fDecryptionThoroughlyChecked to false when the checksum is invalid + if (!checksum_valid) { + fDecryptionThoroughlyChecked = false; + } + return AddCryptedKeyInner(vchPubKey, vchCryptedSecret); } diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h index 4c002edf2d..7e15042950 100644 --- a/src/wallet/scriptpubkeyman.h +++ b/src/wallet/scriptpubkeyman.h @@ -243,7 +243,7 @@ class LegacyScriptPubKeyMan : public ScriptPubKeyMan, public FillableSigningProv { private: //! keeps track of whether Unlock has run a thorough check before - bool fDecryptionThoroughlyChecked = false; + bool fDecryptionThoroughlyChecked = true; using WatchOnlySet = std::set<CScript>; using WatchKeyMap = std::map<CKeyID, CPubKey>; @@ -385,7 +385,7 @@ public: //! Adds an encrypted key to the store, and saves it to disk. bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret); //! Adds an encrypted key to the store, without saving it to disk (used by LoadWallet) - bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret); + bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret, bool checksum_valid); void UpdateTimeFirstKey(int64_t nCreateTime) EXCLUSIVE_LOCKS_REQUIRED(cs_KeyStore); //! Adds a CScript to the store bool LoadCScript(const CScript& redeemScript); diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp index 98597bdb0f..e6a5a84d21 100644 --- a/src/wallet/walletdb.cpp +++ b/src/wallet/walletdb.cpp @@ -115,8 +115,19 @@ bool WalletBatch::WriteCryptedKey(const CPubKey& vchPubKey, return false; } - if (!WriteIC(std::make_pair(DBKeys::CRYPTED_KEY, vchPubKey), vchCryptedSecret, false)) { - return false; + // Compute a checksum of the encrypted key + uint256 checksum = Hash(vchCryptedSecret.begin(), vchCryptedSecret.end()); + + const auto key = std::make_pair(DBKeys::CRYPTED_KEY, vchPubKey); + if (!WriteIC(key, std::make_pair(vchCryptedSecret, checksum), false)) { + // It may already exist, so try writing just the checksum + std::vector<unsigned char> val; + if (!m_batch.Read(key, val)) { + return false; + } + if (!WriteIC(key, std::make_pair(val, checksum), true)) { + return false; + } } EraseIC(std::make_pair(DBKeys::KEY, vchPubKey)); return true; @@ -397,9 +408,21 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, } std::vector<unsigned char> vchPrivKey; ssValue >> vchPrivKey; + + // Get the checksum and check it + bool checksum_valid = false; + if (!ssValue.eof()) { + uint256 checksum; + ssValue >> checksum; + if ((checksum_valid = Hash(vchPrivKey.begin(), vchPrivKey.end()) != checksum)) { + strErr = "Error reading wallet database: Crypted key corrupt"; + return false; + } + } + wss.nCKeys++; - if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey)) + if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey, checksum_valid)) { strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCryptedKey failed"; return false; |