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-rw-r--r--src/wallet/crypter.h56
1 files changed, 10 insertions, 46 deletions
diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h
index 1dc44e424f..67c8481196 100644
--- a/src/wallet/crypter.h
+++ b/src/wallet/crypter.h
@@ -9,6 +9,8 @@
#include "serialize.h"
#include "support/allocators/secure.h"
+#include <atomic>
+
const unsigned int WALLET_CRYPTO_KEY_SIZE = 32;
const unsigned int WALLET_CRYPTO_SALT_SIZE = 8;
const unsigned int WALLET_CRYPTO_IV_SIZE = 16;
@@ -16,13 +18,13 @@ const unsigned int WALLET_CRYPTO_IV_SIZE = 16;
/**
* Private key encryption is done based on a CMasterKey,
* which holds a salt and random encryption key.
- *
+ *
* CMasterKeys are encrypted using AES-256-CBC using a key
* derived using derivation method nDerivationMethod
* (0 == EVP_sha512()) and derivation iterations nDeriveIterations.
* vchOtherDerivationParameters is provided for alternative algorithms
* which may require more parameters (such as scrypt).
- *
+ *
* Wallet Private Keys are then encrypted using AES-256-CBC
* with the double-sha256 of the public key as the IV, and the
* master key's key as the encryption key (see keystore.[ch]).
@@ -113,13 +115,12 @@ public:
class CCryptoKeyStore : public CBasicKeyStore
{
private:
- CryptedKeyMap mapCryptedKeys;
CKeyingMaterial vMasterKey;
//! if fUseCrypto is true, mapKeys must be empty
//! if fUseCrypto is false, vMasterKey must be empty
- bool fUseCrypto;
+ std::atomic<bool> fUseCrypto;
//! keeps track of whether Unlock has run a thorough check before
bool fDecryptionThoroughlyChecked;
@@ -131,60 +132,23 @@ protected:
bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
bool Unlock(const CKeyingMaterial& vMasterKeyIn);
+ CryptedKeyMap mapCryptedKeys;
public:
CCryptoKeyStore() : fUseCrypto(false), fDecryptionThoroughlyChecked(false)
{
}
- bool IsCrypted() const
- {
- return fUseCrypto;
- }
-
- bool IsLocked() const
- {
- if (!IsCrypted())
- return false;
- bool result;
- {
- LOCK(cs_KeyStore);
- result = vMasterKey.empty();
- }
- return result;
- }
-
+ bool IsCrypted() const { return fUseCrypto; }
+ bool IsLocked() const;
bool Lock();
virtual bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
- bool HaveKey(const CKeyID &address) const override
- {
- {
- LOCK(cs_KeyStore);
- if (!IsCrypted())
- return CBasicKeyStore::HaveKey(address);
- return mapCryptedKeys.count(address) > 0;
- }
- return false;
- }
+ bool HaveKey(const CKeyID &address) const override;
bool GetKey(const CKeyID &address, CKey& keyOut) const override;
bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const override;
- void GetKeys(std::set<CKeyID> &setAddress) const override
- {
- if (!IsCrypted())
- {
- CBasicKeyStore::GetKeys(setAddress);
- return;
- }
- setAddress.clear();
- CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
- while (mi != mapCryptedKeys.end())
- {
- setAddress.insert((*mi).first);
- mi++;
- }
- }
+ std::set<CKeyID> GetKeys() const override;
/**
* Wallet status (encrypted, locked) changed.