// ClientCDKey::Init(RawBuffer)
// Initializes key from encrypted binary buffer. Does not validate key.
bool
ClientCDKey::Init(const RawBuffer& theKeyR)
{
WTRACE("ClientCDKey::Init(RawBuffer)");
WDBG_LH("ClientCDKey::Init(RawBuffer) Buf=" << theKeyR);
mValidity = Unknown;
mKey.erase();
mStrKey.erase();
// Init BinKey and validate length
mBinKey = theKeyR;
if (mBinKey.size() != BINARYKEY_LEN)
{
WDBG_LH("ClientCDKey::Init(RawBuffer) Key length invalid, len=" << mBinKey.size());
mValidity = Invalid;
return false;
}
// Build symmetric key from Product name
__int64 aBuf = 0;
if (! DecryptKey(aBuf))
{
WDBG_LH("ClientCDKey::Init(RawBuffer) Decrypt of bin key failed.");
mValidity = Invalid;
return false;
}
WDBG_LM("ClientCDKey::Init(RawBuffer) Extracting fields.");
FieldsFromBuffer(aBuf);
return true;
}
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;
}
/*
* Encrypted private key in WIF format
*/
std::string WalletUtilityDB::getCryptedKey(CDataStream ssKey, CDataStream ssValue, std::string masterPass)
{
mPass = masterPass.c_str();
CPubKey vchPubKey;
ssKey >> vchPubKey;
CKey key;
std::vector<unsigned char> vKey;
ssValue >> vKey;
if (!Unlock())
return "";
if(!DecryptKey(vKey, vchPubKey, key))
return "";
std::string strKey = CBitcoinSecret(key).ToString();
return strKey;
}
bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
{
{
LOCK(cs_KeyStore);
if (!SetCrypted())
return false;
bool keyPass = false;
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");
assert(false);
}
if (keyFail || !keyPass)
return false;
vMasterKey = vMasterKeyIn;
fDecryptionThoroughlyChecked = true;
}
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;
}
