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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "keystore.h"
#include "script.h"
bool CKeyStore::GetPubKey(const CKeyID &address, CPubKey &vchPubKeyOut) const
{
CKey key;
if (!GetKey(address, key))
return false;
vchPubKeyOut = key.GetPubKey();
return true;
}
bool CKeyStore::AddKey(const CKey &key) {
return AddKeyPubKey(key, key.GetPubKey());
}
bool CBasicKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
{
LOCK(cs_KeyStore);
mapKeys[pubkey.GetID()] = key;
return true;
}
bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
{
LOCK(cs_KeyStore);
mapScripts[redeemScript.GetID()] = redeemScript;
return true;
}
bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
{
LOCK(cs_KeyStore);
return mapScripts.count(hash) > 0;
}
bool CBasicKeyStore::GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const
{
LOCK(cs_KeyStore);
ScriptMap::const_iterator mi = mapScripts.find(hash);
if (mi != mapScripts.end())
{
redeemScriptOut = (*mi).second;
return true;
}
return false;
}
bool CCryptoKeyStore::SetCrypted()
{
LOCK(cs_KeyStore);
if (fUseCrypto)
return true;
if (!mapKeys.empty())
return false;
fUseCrypto = true;
return true;
}
bool CCryptoKeyStore::Lock()
{
if (!SetCrypted())
return false;
{
LOCK(cs_KeyStore);
vMasterKey.clear();
}
NotifyStatusChanged(this);
return true;
}
bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
{
{
LOCK(cs_KeyStore);
if (!SetCrypted())
return 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;
CKeyingMaterial vchSecret;
if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
return false;
if (vchSecret.size() != 32)
return false;
CKey key;
key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed());
if (key.GetPubKey() == vchPubKey)
break;
return false;
}
vMasterKey = vMasterKeyIn;
}
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);
}
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;
CKeyingMaterial vchSecret;
if (!DecryptSecret(vMasterKey, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
return false;
if (vchSecret.size() != 32)
return false;
keyOut.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed());
return true;
}
}
return false;
}
bool CCryptoKeyStore::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
{
{
LOCK(cs_KeyStore);
if (!IsCrypted())
return CKeyStore::GetPubKey(address, vchPubKeyOut);
CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
if (mi != mapCryptedKeys.end())
{
vchPubKeyOut = (*mi).second.first;
return true;
}
}
return false;
}
bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
{
{
LOCK(cs_KeyStore);
if (!mapCryptedKeys.empty() || IsCrypted())
return false;
fUseCrypto = true;
BOOST_FOREACH(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;
}