// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
-#include "crypter.h"
-#include "db.h"
+#include "keystore.h"
#include "script.h"
+#include "base58.h"
-std::vector<unsigned char> CKeyStore::GenerateNewKey()
-{
- RandAddSeedPerfmon();
- CKey key;
- key.MakeNewKey();
- if (!AddKey(key))
- throw std::runtime_error("CKeyStore::GenerateNewKey() : AddKey failed");
- return key.GetPubKey();
-}
+extern bool fWalletUnlockMintOnly;
-bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char> &vchPubKeyOut) const
+bool CKeyStore::GetPubKey(const CKeyID &address, CPubKey &vchPubKeyOut) const
{
CKey key;
if (!GetKey(address, key))
{
bool fCompressed = false;
CSecret secret = key.GetSecret(fCompressed);
- CRITICAL_BLOCK(cs_KeyStore)
- mapKeys[CBitcoinAddress(key.GetPubKey())] = make_pair(secret, fCompressed);
+ {
+ LOCK(cs_KeyStore);
+ mapKeys[key.GetPubKey().GetID()] = make_pair(secret, fCompressed);
+ }
+ return true;
+}
+
+bool CBasicKeyStore::AddMalleableKey(const CMalleableKeyView& keyView, const CSecret& vchSecretH)
+{
+ {
+ LOCK(cs_KeyStore);
+ mapMalleableKeys[CMalleableKeyView(keyView)] = vchSecretH;
+ }
return true;
}
bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
{
- CRITICAL_BLOCK(cs_KeyStore)
- mapScripts[Hash160(redeemScript)] = redeemScript;
+ if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
+ return error("CBasicKeyStore::AddCScript() : redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
+
+ {
+ LOCK(cs_KeyStore);
+ mapScripts[redeemScript.GetID()] = redeemScript;
+ }
return true;
}
-bool CBasicKeyStore::HaveCScript(const uint160& hash) const
+bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
{
bool result;
- CRITICAL_BLOCK(cs_KeyStore)
+ {
+ LOCK(cs_KeyStore);
result = (mapScripts.count(hash) > 0);
+ }
return result;
}
-bool CBasicKeyStore::GetCScript(const uint160 &hash, CScript& redeemScriptOut) const
+bool CBasicKeyStore::GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
ScriptMap::const_iterator mi = mapScripts.find(hash);
if (mi != mapScripts.end())
{
return false;
}
+bool CBasicKeyStore::AddWatchOnly(const CScript &dest)
+{
+ LOCK(cs_KeyStore);
+
+ CTxDestination address;
+ if (ExtractDestination(dest, address)) {
+ CKeyID keyID;
+ CBitcoinAddress(address).GetKeyID(keyID);
+ if (HaveKey(keyID))
+ return false;
+ }
+
+ setWatchOnly.insert(dest);
+ return true;
+}
+
+
+bool CBasicKeyStore::RemoveWatchOnly(const CScript &dest)
+{
+ LOCK(cs_KeyStore);
+ setWatchOnly.erase(dest);
+ return true;
+}
+
+bool CBasicKeyStore::HaveWatchOnly(const CScript &dest) const
+{
+ LOCK(cs_KeyStore);
+ return setWatchOnly.count(dest) > 0;
+}
+
+bool CBasicKeyStore::HaveWatchOnly() const
+{
+ LOCK(cs_KeyStore);
+ return (!setWatchOnly.empty());
+}
+
bool CCryptoKeyStore::SetCrypted()
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
if (fUseCrypto)
return true;
if (!mapKeys.empty())
return true;
}
+bool CCryptoKeyStore::Lock()
+{
+ if (!SetCrypted())
+ return false;
+
+ {
+ LOCK(cs_KeyStore);
+ vMasterKey.clear();
+ fWalletUnlockMintOnly = false;
+ }
+
+ NotifyStatusChanged(this);
+ return true;
+}
+
bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
if (!SetCrypted())
return false;
CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
for (; mi != mapCryptedKeys.end(); ++mi)
{
- const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+ const CPubKey &vchPubKey = (*mi).second.first;
const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
CSecret vchSecret;
- if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
+ if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
+ return false;
+ if (vchSecret.size() != 32)
return false;
CKey key;
key.SetPubKey(vchPubKey);
break;
return false;
}
+
vMasterKey = vMasterKeyIn;
}
+ NotifyStatusChanged(this);
return true;
}
bool CCryptoKeyStore::AddKey(const CKey& key)
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
+
+ CScript script;
+ script.SetDestination(key.GetPubKey().GetID());
+
+ if (HaveWatchOnly(script))
+ return false;
+
if (!IsCrypted())
return CBasicKeyStore::AddKey(key);
return false;
std::vector<unsigned char> vchCryptedSecret;
- std::vector<unsigned char> vchPubKey = key.GetPubKey();
+ CPubKey vchPubKey = key.GetPubKey();
bool fCompressed;
- if (!EncryptSecret(vMasterKey, key.GetSecret(fCompressed), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+ if (!EncryptSecret(vMasterKey, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))
return false;
if (!AddCryptedKey(key.GetPubKey(), vchCryptedSecret))
return true;
}
+bool CCryptoKeyStore::AddMalleableKey(const CMalleableKeyView& keyView, const CSecret &vchSecretH)
+{
+ {
+ LOCK(cs_KeyStore);
+ if (!SetCrypted())
+ return CBasicKeyStore::AddMalleableKey(keyView, vchSecretH);
+
+ if (IsLocked())
+ return false;
+
+ CKey keyH;
+ keyH.SetSecret(vchSecretH, true);
+
+ std::vector<unsigned char> vchCryptedSecretH;
+ if (!EncryptSecret(vMasterKey, vchSecretH, keyH.GetPubKey().GetHash(), vchCryptedSecretH))
+ return false;
+
+ if (!AddCryptedMalleableKey(keyView, vchCryptedSecretH))
+ 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::AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+bool CCryptoKeyStore::AddCryptedMalleableKey(const CMalleableKeyView& keyView, const std::vector<unsigned char> &vchCryptedSecretH)
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
if (!SetCrypted())
return false;
- mapCryptedKeys[CBitcoinAddress(vchPubKey)] = make_pair(vchPubKey, vchCryptedSecret);
+ mapCryptedMalleableKeys[CMalleableKeyView(keyView)] = vchCryptedSecretH;
+ }
+ return true;
+}
+
+bool CCryptoKeyStore::CreatePrivKey(const CPubKey &pubKeyVariant, const CPubKey &R, CKey &privKey) const
+{
+ {
+ LOCK(cs_KeyStore);
+ if (!IsCrypted())
+ return CBasicKeyStore::CreatePrivKey(pubKeyVariant, R, privKey);
+
+ for (CryptedMalleableKeyMap::const_iterator mi = mapCryptedMalleableKeys.begin(); mi != mapCryptedMalleableKeys.end(); mi++)
+ {
+ if (mi->first.CheckKeyVariant(R, pubKeyVariant))
+ {
+ const CPubKey H = mi->first.GetMalleablePubKey().GetH();
+
+ CSecret vchSecretH;
+ if (!DecryptSecret(vMasterKey, mi->second, H.GetHash(), vchSecretH))
+ return false;
+ if (vchSecretH.size() != 32)
+ return false;
+
+ CMalleableKey mKey = mi->first.GetMalleableKey(vchSecretH);
+ return mKey.CheckKeyVariant(R, pubKeyVariant, privKey);;
+ }
+ }
+
}
return true;
}
-bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const
+bool CCryptoKeyStore::GetMalleableKey(const CMalleableKeyView &keyView, CMalleableKey &mKey) const
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted())
+ return CBasicKeyStore::GetMalleableKey(keyView, mKey);
+ CryptedMalleableKeyMap::const_iterator mi = mapCryptedMalleableKeys.find(keyView);
+ if (mi != mapCryptedMalleableKeys.end())
+ {
+ const CPubKey H = keyView.GetMalleablePubKey().GetH();
+
+ CSecret vchSecretH;
+ if (!DecryptSecret(vMasterKey, mi->second, H.GetHash(), vchSecretH))
+ return false;
+
+ if (vchSecretH.size() != 32)
+ return false;
+ mKey = mi->first.GetMalleableKey(vchSecretH);
+
+ return true;
+ }
+ }
+ return false;
+}
+
+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 std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+ const CPubKey &vchPubKey = (*mi).second.first;
const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
CSecret vchSecret;
- if (!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
+ if (!DecryptSecret(vMasterKey, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
+ return false;
+ if (vchSecret.size() != 32)
return false;
keyOut.SetPubKey(vchPubKey);
keyOut.SetSecret(vchSecret);
return false;
}
-bool CCryptoKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const
+bool CCryptoKeyStore::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
if (!IsCrypted())
return CKeyStore::GetPubKey(address, vchPubKeyOut);
bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
{
- CRITICAL_BLOCK(cs_KeyStore)
{
+ LOCK(cs_KeyStore);
if (!mapCryptedKeys.empty() || IsCrypted())
return false;
BOOST_FOREACH(KeyMap::value_type& mKey, mapKeys)
{
CKey key;
- if (!key.SetSecret(mKey.second.first, false))
+ if (!key.SetSecret(mKey.second.first, mKey.second.second))
return false;
- const std::vector<unsigned char> vchPubKey = key.GetPubKey();
+ const CPubKey vchPubKey = key.GetPubKey();
std::vector<unsigned char> vchCryptedSecret;
bool fCompressed;
- if (!EncryptSecret(vMasterKeyIn, key.GetSecret(fCompressed), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+ if (!EncryptSecret(vMasterKeyIn, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))
return false;
if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
return false;
}
mapKeys.clear();
+
+ BOOST_FOREACH(MalleableKeyMap::value_type& mKey, mapMalleableKeys)
+ {
+ const CPubKey vchPubKeyH = mKey.first.GetMalleablePubKey().GetH();
+ std::vector<unsigned char> vchCryptedSecretH;
+ if (!EncryptSecret(vMasterKeyIn, mKey.second, vchPubKeyH.GetHash(), vchCryptedSecretH))
+ return false;
+ if (!AddCryptedMalleableKey(mKey.first, vchCryptedSecretH))
+ return false;
+ }
+ mapMalleableKeys.clear();
+ }
+ return true;
+}
+
+bool CCryptoKeyStore::DecryptKeys(const CKeyingMaterial& vMasterKeyIn)
+{
+ {
+ LOCK(cs_KeyStore);
+ if (!IsCrypted())
+ 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;
+ CSecret vchSecret;
+ if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
+ return false;
+ if (vchSecret.size() != 32)
+ return false;
+ CKey key;
+ key.SetPubKey(vchPubKey);
+ key.SetSecret(vchSecret);
+ if (!CBasicKeyStore::AddKey(key))
+ return false;
+ }
+
+ mapCryptedKeys.clear();
+
+ CryptedMalleableKeyMap::const_iterator mi2 = mapCryptedMalleableKeys.begin();
+ for(; mi2 != mapCryptedMalleableKeys.end(); ++mi2)
+ {
+ const CPubKey vchPubKeyH = mi2->first.GetMalleablePubKey().GetH();
+
+ CSecret vchSecretH;
+ if(!DecryptSecret(vMasterKeyIn, mi2->second, vchPubKeyH.GetHash(), vchSecretH))
+ return false;
+ if (vchSecretH.size() != 32)
+ return false;
+
+ if (!CBasicKeyStore::AddMalleableKey(mi2->first, vchSecretH))
+ return false;
+ }
+ mapCryptedMalleableKeys.clear();
}
+
return true;
}