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-rw-r--r--src/wallet/scriptpubkeyman.cpp59
-rw-r--r--src/wallet/scriptpubkeyman.h18
-rw-r--r--src/wallet/wallet.cpp42
-rw-r--r--src/wallet/wallet.h20
4 files changed, 75 insertions, 64 deletions
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index 2b9e8fbf2a..b4315014cb 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -202,12 +202,11 @@ isminetype LegacyScriptPubKeyMan::IsMine(const CScript& script) const
assert(false);
}
-bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
+bool LegacyScriptPubKeyMan::CheckDecryptionKey(const CKeyingMaterial& master_key, bool accept_no_keys)
{
{
LOCK(cs_KeyStore);
- if (!SetCrypted())
- return false;
+ assert(mapKeys.empty());
bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys
bool keyFail = false;
@@ -217,7 +216,7 @@ bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
const CPubKey &vchPubKey = (*mi).second.first;
const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
CKey key;
- if (!DecryptKey(vMasterKeyIn, vchCryptedSecret, vchPubKey, key))
+ if (!DecryptKey(master_key, vchCryptedSecret, vchPubKey, key))
{
keyFail = true;
break;
@@ -233,32 +232,39 @@ bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
}
if (keyFail || (!keyPass && !accept_no_keys))
return false;
- vMasterKey = vMasterKeyIn;
fDecryptionThoroughlyChecked = true;
}
- NotifyStatusChanged(this);
return true;
}
-bool LegacyScriptPubKeyMan::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
+bool LegacyScriptPubKeyMan::Encrypt(const CKeyingMaterial& master_key, WalletBatch* batch)
{
+ AssertLockHeld(cs_wallet);
LOCK(cs_KeyStore);
- if (!mapCryptedKeys.empty() || IsCrypted())
+ encrypted_batch = batch;
+ if (!mapCryptedKeys.empty()) {
+ encrypted_batch = nullptr;
return false;
+ }
- fUseCrypto = true;
- for (const KeyMap::value_type& mKey : mapKeys)
+ KeyMap keys_to_encrypt;
+ keys_to_encrypt.swap(mapKeys); // Clear mapKeys so AddCryptedKeyInner will succeed.
+ for (const KeyMap::value_type& mKey : keys_to_encrypt)
{
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))
+ if (!EncryptSecret(master_key, vchSecret, vchPubKey.GetHash(), vchCryptedSecret)) {
+ encrypted_batch = nullptr;
return false;
- if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
+ }
+ if (!AddCryptedKey(vchPubKey, vchCryptedSecret)) {
+ encrypted_batch = nullptr;
return false;
+ }
}
- mapKeys.clear();
+ encrypted_batch = nullptr;
return true;
}
@@ -543,7 +549,7 @@ bool LegacyScriptPubKeyMan::AddKeyPubKeyWithDB(WalletBatch& batch, const CKey& s
RemoveWatchOnly(script);
}
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
return batch.WriteKey(pubkey,
secret.GetPrivKey(),
mapKeyMetadata[pubkey.GetID()]);
@@ -584,7 +590,7 @@ void LegacyScriptPubKeyMan::LoadScriptMetadata(const CScriptID& script_id, const
bool LegacyScriptPubKeyMan::AddKeyPubKeyInner(const CKey& key, const CPubKey &pubkey)
{
LOCK(cs_KeyStore);
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
return FillableSigningProvider::AddKeyPubKey(key, pubkey);
}
@@ -594,7 +600,7 @@ bool LegacyScriptPubKeyMan::AddKeyPubKeyInner(const CKey& key, const CPubKey &pu
std::vector<unsigned char> vchCryptedSecret;
CKeyingMaterial vchSecret(key.begin(), key.end());
- if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret)) {
+ if (!EncryptSecret(m_storage.GetEncryptionKey(), vchSecret, pubkey.GetHash(), vchCryptedSecret)) {
return false;
}
@@ -612,9 +618,7 @@ bool LegacyScriptPubKeyMan::LoadCryptedKey(const CPubKey &vchPubKey, const std::
bool LegacyScriptPubKeyMan::AddCryptedKeyInner(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
{
LOCK(cs_KeyStore);
- if (!SetCrypted()) {
- return false;
- }
+ assert(mapKeys.empty());
mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
ImplicitlyLearnRelatedKeyScripts(vchPubKey);
@@ -741,7 +745,7 @@ void LegacyScriptPubKeyMan::SetHDChain(const CHDChain& chain, bool memonly)
bool LegacyScriptPubKeyMan::HaveKey(const CKeyID &address) const
{
LOCK(cs_KeyStore);
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
return FillableSigningProvider::HaveKey(address);
}
return mapCryptedKeys.count(address) > 0;
@@ -750,7 +754,7 @@ bool LegacyScriptPubKeyMan::HaveKey(const CKeyID &address) const
bool LegacyScriptPubKeyMan::GetKey(const CKeyID &address, CKey& keyOut) const
{
LOCK(cs_KeyStore);
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
return FillableSigningProvider::GetKey(address, keyOut);
}
@@ -759,7 +763,7 @@ bool LegacyScriptPubKeyMan::GetKey(const CKeyID &address, CKey& keyOut) const
{
const CPubKey &vchPubKey = (*mi).second.first;
const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
- return DecryptKey(vMasterKey, vchCryptedSecret, vchPubKey, keyOut);
+ return DecryptKey(m_storage.GetEncryptionKey(), vchCryptedSecret, vchPubKey, keyOut);
}
return false;
}
@@ -797,7 +801,7 @@ bool LegacyScriptPubKeyMan::GetWatchPubKey(const CKeyID &address, CPubKey &pubke
bool LegacyScriptPubKeyMan::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
{
LOCK(cs_KeyStore);
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
if (!FillableSigningProvider::GetPubKey(address, vchPubKeyOut)) {
return GetWatchPubKey(address, vchPubKeyOut);
}
@@ -1383,7 +1387,7 @@ bool LegacyScriptPubKeyMan::ImportScriptPubKeys(const std::set<CScript>& script_
std::set<CKeyID> LegacyScriptPubKeyMan::GetKeys() const
{
LOCK(cs_KeyStore);
- if (!IsCrypted()) {
+ if (!m_storage.HasEncryptionKeys()) {
return FillableSigningProvider::GetKeys();
}
std::set<CKeyID> set_address;
@@ -1397,13 +1401,8 @@ std::set<CKeyID> LegacyScriptPubKeyMan::GetKeys() const
LegacyScriptPubKeyMan::LegacyScriptPubKeyMan(CWallet& wallet)
: ScriptPubKeyMan(wallet),
m_wallet(wallet),
- cs_wallet(wallet.cs_wallet),
- vMasterKey(wallet.vMasterKey),
- fUseCrypto(wallet.fUseCrypto),
- fDecryptionThoroughlyChecked(wallet.fDecryptionThoroughlyChecked) {}
+ cs_wallet(wallet.cs_wallet) {}
-bool LegacyScriptPubKeyMan::SetCrypted() { return m_wallet.SetCrypted(); }
-bool LegacyScriptPubKeyMan::IsCrypted() const { return m_wallet.IsCrypted(); }
void LegacyScriptPubKeyMan::NotifyWatchonlyChanged(bool fHaveWatchOnly) const { return m_wallet.NotifyWatchonlyChanged(fHaveWatchOnly); }
void LegacyScriptPubKeyMan::NotifyCanGetAddressesChanged() const { return m_wallet.NotifyCanGetAddressesChanged(); }
template<typename... Params> void LegacyScriptPubKeyMan::WalletLogPrintf(const std::string& fmt, const Params&... parameters) const { return m_wallet.WalletLogPrintf(fmt, parameters...); }
diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h
index 6ed9a4787a..aa5eac3a85 100644
--- a/src/wallet/scriptpubkeyman.h
+++ b/src/wallet/scriptpubkeyman.h
@@ -31,6 +31,8 @@ public:
virtual void UnsetBlankWalletFlag(WalletBatch&) = 0;
virtual bool CanSupportFeature(enum WalletFeature) const = 0;
virtual void SetMinVersion(enum WalletFeature, WalletBatch* = nullptr, bool = false) = 0;
+ virtual const CKeyingMaterial& GetEncryptionKey() const = 0;
+ virtual bool HasEncryptionKeys() const = 0;
virtual bool IsLocked() const = 0;
};
@@ -150,6 +152,10 @@ public:
virtual bool GetNewDestination(const OutputType type, CTxDestination& dest, std::string& error) { return false; }
virtual isminetype IsMine(const CScript& script) const { return ISMINE_NO; }
+ //! Check that the given decryption key is valid for this ScriptPubKeyMan, i.e. it decrypts all of the keys handled by it.
+ virtual bool CheckDecryptionKey(const CKeyingMaterial& master_key, bool accept_no_keys = false) { return false; }
+ virtual bool Encrypt(const CKeyingMaterial& master_key, WalletBatch* batch) { return false; }
+
virtual bool GetReservedDestination(const OutputType type, bool internal, CTxDestination& address, int64_t& index, CKeyPool& keypool) { return false; }
virtual void KeepDestination(int64_t index, const OutputType& type) {}
virtual void ReturnDestination(int64_t index, bool internal, const CTxDestination& addr) {}
@@ -193,6 +199,9 @@ public:
class LegacyScriptPubKeyMan : public ScriptPubKeyMan, public FillableSigningProvider
{
private:
+ //! keeps track of whether Unlock has run a thorough check before
+ bool fDecryptionThoroughlyChecked = false;
+
using WatchOnlySet = std::set<CScript>;
using WatchKeyMap = std::map<CKeyID, CPubKey>;
@@ -272,8 +281,8 @@ public:
bool GetNewDestination(const OutputType type, CTxDestination& dest, std::string& error) override;
isminetype IsMine(const CScript& script) const override;
- //! will encrypt previously unencrypted keys
- bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
+ bool CheckDecryptionKey(const CKeyingMaterial& master_key, bool accept_no_keys = false) override;
+ bool Encrypt(const CKeyingMaterial& master_key, WalletBatch* batch) override;
bool GetReservedDestination(const OutputType type, bool internal, CTxDestination& address, int64_t& index, CKeyPool& keypool) override;
void KeepDestination(int64_t index, const OutputType& type) override;
@@ -403,16 +412,11 @@ public:
friend class CWallet;
friend class ReserveDestination;
LegacyScriptPubKeyMan(CWallet& wallet);
- bool SetCrypted();
- bool IsCrypted() const;
void NotifyWatchonlyChanged(bool fHaveWatchOnly) const;
void NotifyCanGetAddressesChanged() const;
template<typename... Params> void WalletLogPrintf(const std::string& fmt, const Params&... parameters) const;
CWallet& m_wallet;
CCriticalSection& cs_wallet;
- CKeyingMaterial& vMasterKey GUARDED_BY(cs_KeyStore);
- std::atomic<bool>& fUseCrypto;
- bool& fDecryptionThoroughlyChecked;
};
#endif // BITCOIN_WALLET_SCRIPTPUBKEYMAN_H
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index abee497c1d..41a816312a 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -532,8 +532,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
{
LOCK(cs_wallet);
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
- assert(!encrypted_batch);
- encrypted_batch = new WalletBatch(*database);
+ WalletBatch* encrypted_batch = new WalletBatch(*database);
if (!encrypted_batch->TxnBegin()) {
delete encrypted_batch;
encrypted_batch = nullptr;
@@ -542,7 +541,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
encrypted_batch->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
if (auto spk_man = m_spk_man.get()) {
- if (!spk_man->EncryptKeys(_vMasterKey)) {
+ if (!spk_man->Encrypt(_vMasterKey, encrypted_batch)) {
encrypted_batch->TxnAbort();
delete encrypted_batch;
encrypted_batch = nullptr;
@@ -4003,15 +4002,9 @@ std::vector<OutputGroup> CWallet::GroupOutputs(const std::vector<COutput>& outpu
return groups;
}
-bool CWallet::SetCrypted()
+bool CWallet::IsCrypted() const
{
- LOCK(cs_KeyStore);
- if (fUseCrypto)
- return true;
- if (!mapKeys.empty())
- return false;
- fUseCrypto = true;
- return true;
+ return HasEncryptionKeys();
}
bool CWallet::IsLocked() const
@@ -4025,7 +4018,7 @@ bool CWallet::IsLocked() const
bool CWallet::Lock()
{
- if (!SetCrypted())
+ if (!IsCrypted())
return false;
{
@@ -4037,6 +4030,21 @@ bool CWallet::Lock()
return true;
}
+bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
+{
+ {
+ LOCK(cs_KeyStore);
+ if (m_spk_man) {
+ if (!m_spk_man->CheckDecryptionKey(vMasterKeyIn, accept_no_keys)) {
+ return false;
+ }
+ }
+ vMasterKey = vMasterKeyIn;
+ }
+ NotifyStatusChanged(this);
+ return true;
+}
+
ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const CScript& script) const
{
return m_spk_man.get();
@@ -4056,3 +4064,13 @@ LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
{
return m_spk_man.get();
}
+
+const CKeyingMaterial& CWallet::GetEncryptionKey() const
+{
+ return vMasterKey;
+}
+
+bool CWallet::HasEncryptionKeys() const
+{
+ return !mapMasterKeys.empty();
+}
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index b02e092f0a..c4511601de 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -597,14 +597,7 @@ class CWallet final : public WalletStorage, private interfaces::Chain::Notificat
private:
CKeyingMaterial vMasterKey GUARDED_BY(cs_KeyStore);
- //! if fUseCrypto is true, mapKeys must be empty
- //! if fUseCrypto is false, vMasterKey must be empty
- std::atomic<bool> fUseCrypto;
- //! keeps track of whether Unlock has run a thorough check before
- bool fDecryptionThoroughlyChecked;
-
- bool SetCrypted();
bool Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys = false);
std::atomic<bool> fAbortRescan{false};
@@ -734,9 +727,7 @@ public:
/** Construct wallet with specified name and database implementation. */
CWallet(interfaces::Chain* chain, const WalletLocation& location, std::unique_ptr<WalletDatabase> database)
- : fUseCrypto(false),
- fDecryptionThoroughlyChecked(false),
- m_chain(chain),
+ : m_chain(chain),
m_location(location),
database(std::move(database))
{
@@ -746,11 +737,9 @@ public:
{
// Should not have slots connected at this point.
assert(NotifyUnload.empty());
- delete encrypted_batch;
- encrypted_batch = nullptr;
}
- bool IsCrypted() const { return fUseCrypto; }
+ bool IsCrypted() const;
bool IsLocked() const override;
bool Lock();
@@ -1136,6 +1125,9 @@ public:
LegacyScriptPubKeyMan* GetLegacyScriptPubKeyMan() const;
+ const CKeyingMaterial& GetEncryptionKey() const override;
+ bool HasEncryptionKeys() const override;
+
// Temporary LegacyScriptPubKeyMan accessors and aliases.
friend class LegacyScriptPubKeyMan;
std::unique_ptr<LegacyScriptPubKeyMan> m_spk_man = MakeUnique<LegacyScriptPubKeyMan>(*this);
@@ -1145,8 +1137,6 @@ public:
LegacyScriptPubKeyMan::CryptedKeyMap& mapCryptedKeys GUARDED_BY(cs_KeyStore) = m_spk_man->mapCryptedKeys;
LegacyScriptPubKeyMan::WatchOnlySet& setWatchOnly GUARDED_BY(cs_KeyStore) = m_spk_man->setWatchOnly;
LegacyScriptPubKeyMan::WatchKeyMap& mapWatchKeys GUARDED_BY(cs_KeyStore) = m_spk_man->mapWatchKeys;
- WalletBatch*& encrypted_batch GUARDED_BY(cs_wallet) = m_spk_man->encrypted_batch;
- using CryptedKeyMap = LegacyScriptPubKeyMan::CryptedKeyMap;
/** Get last block processed height */
int GetLastBlockHeight() const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-01 02:32:26 +0000