diff options
Diffstat (limited to 'src/wallet/crypter.cpp')
-rw-r--r-- | src/wallet/crypter.cpp | 194 |
1 files changed, 4 insertions, 190 deletions
diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp index a255177e36..0b76c1a0eb 100644 --- a/src/wallet/crypter.cpp +++ b/src/wallet/crypter.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2009-2018 The Bitcoin Core developers +// Copyright (c) 2009-2019 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -107,8 +107,7 @@ bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingM return true; } - -static bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext) +bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext) { CCrypter cKeyCrypter; std::vector<unsigned char> chIV(WALLET_CRYPTO_IV_SIZE); @@ -118,7 +117,7 @@ static bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMateri return cKeyCrypter.Encrypt(*((const CKeyingMaterial*)&vchPlaintext), vchCiphertext); } -static bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext) +bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext) { CCrypter cKeyCrypter; std::vector<unsigned char> chIV(WALLET_CRYPTO_IV_SIZE); @@ -128,7 +127,7 @@ static bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<u return cKeyCrypter.Decrypt(vchCiphertext, *((CKeyingMaterial*)&vchPlaintext)); } -static bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCryptedSecret, const CPubKey& vchPubKey, CKey& key) +bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCryptedSecret, const CPubKey& vchPubKey, CKey& key) { CKeyingMaterial vchSecret; if(!DecryptSecret(vMasterKey, vchCryptedSecret, vchPubKey.GetHash(), vchSecret)) @@ -140,188 +139,3 @@ static bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsi key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed()); return key.VerifyPubKey(vchPubKey); } - -bool CCryptoKeyStore::SetCrypted() -{ - LOCK(cs_KeyStore); - if (fUseCrypto) - return true; - if (!mapKeys.empty()) - return false; - fUseCrypto = true; - return true; -} - -bool CCryptoKeyStore::IsLocked() const -{ - if (!IsCrypted()) { - return false; - } - LOCK(cs_KeyStore); - return vMasterKey.empty(); -} - -bool CCryptoKeyStore::Lock() -{ - if (!SetCrypted()) - return false; - - { - LOCK(cs_KeyStore); - vMasterKey.clear(); - } - - NotifyStatusChanged(this); - return true; -} - -bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys) -{ - { - LOCK(cs_KeyStore); - if (!SetCrypted()) - return false; - - bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys - bool keyFail = false; - CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin(); - for (; mi != mapCryptedKeys.end(); ++mi) - { - const CPubKey &vchPubKey = (*mi).second.first; - const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second; - CKey key; - if (!DecryptKey(vMasterKeyIn, vchCryptedSecret, vchPubKey, key)) - { - keyFail = true; - break; - } - keyPass = true; - if (fDecryptionThoroughlyChecked) - break; - } - if (keyPass && keyFail) - { - LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all.\n"); - throw std::runtime_error("Error unlocking wallet: some keys decrypt but not all. Your wallet file may be corrupt."); - } - if (keyFail || (!keyPass && !accept_no_keys)) - return false; - vMasterKey = vMasterKeyIn; - fDecryptionThoroughlyChecked = true; - } - NotifyStatusChanged(this); - return true; -} - -bool CCryptoKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey) -{ - LOCK(cs_KeyStore); - if (!IsCrypted()) { - return CBasicKeyStore::AddKeyPubKey(key, pubkey); - } - - if (IsLocked()) { - return false; - } - - std::vector<unsigned char> vchCryptedSecret; - CKeyingMaterial vchSecret(key.begin(), key.end()); - if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret)) { - return false; - } - - if (!AddCryptedKey(pubkey, vchCryptedSecret)) { - return false; - } - return true; -} - - -bool CCryptoKeyStore::AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) -{ - LOCK(cs_KeyStore); - if (!SetCrypted()) { - return false; - } - - mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret); - ImplicitlyLearnRelatedKeyScripts(vchPubKey); - return true; -} - -bool CCryptoKeyStore::HaveKey(const CKeyID &address) const -{ - LOCK(cs_KeyStore); - if (!IsCrypted()) { - return CBasicKeyStore::HaveKey(address); - } - return mapCryptedKeys.count(address) > 0; -} - -bool CCryptoKeyStore::GetKey(const CKeyID &address, CKey& keyOut) const -{ - LOCK(cs_KeyStore); - if (!IsCrypted()) { - return CBasicKeyStore::GetKey(address, keyOut); - } - - CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address); - if (mi != mapCryptedKeys.end()) - { - const CPubKey &vchPubKey = (*mi).second.first; - const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second; - return DecryptKey(vMasterKey, vchCryptedSecret, vchPubKey, keyOut); - } - return false; -} - -bool CCryptoKeyStore::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const -{ - LOCK(cs_KeyStore); - if (!IsCrypted()) - return CBasicKeyStore::GetPubKey(address, vchPubKeyOut); - - CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address); - if (mi != mapCryptedKeys.end()) - { - vchPubKeyOut = (*mi).second.first; - return true; - } - // Check for watch-only pubkeys - return CBasicKeyStore::GetPubKey(address, vchPubKeyOut); -} - -std::set<CKeyID> CCryptoKeyStore::GetKeys() const -{ - LOCK(cs_KeyStore); - if (!IsCrypted()) { - return CBasicKeyStore::GetKeys(); - } - std::set<CKeyID> set_address; - for (const auto& mi : mapCryptedKeys) { - set_address.insert(mi.first); - } - return set_address; -} - -bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn) -{ - LOCK(cs_KeyStore); - if (!mapCryptedKeys.empty() || IsCrypted()) - return false; - - fUseCrypto = true; - for (const KeyMap::value_type& mKey : mapKeys) - { - const CKey &key = mKey.second; - CPubKey vchPubKey = key.GetPubKey(); - CKeyingMaterial vchSecret(key.begin(), key.end()); - std::vector<unsigned char> vchCryptedSecret; - if (!EncryptSecret(vMasterKeyIn, vchSecret, vchPubKey.GetHash(), vchCryptedSecret)) - return false; - if (!AddCryptedKey(vchPubKey, vchCryptedSecret)) - return false; - } - mapKeys.clear(); - return true; -} |