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Added the capability to reset the password manager

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Also some documentation about the password manager.
This commit is contained in:
eelke 2022-09-05 07:33:08 +02:00
parent f8528143ac
commit 4fa2189b27
17 changed files with 233 additions and 85 deletions
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17
core/PasswordManager.cpp
View file

@ -156,7 +156,19 @@ void PasswordManager::closeDatabase()
bool PasswordManager::locked() const
{
return m_cryptoEngine == nullptr;
return m_cryptoEngine == nullptr;
}
void PasswordManager::resetMasterPassword(QSqlDatabase &db)
{
if (!isPskStoreInitialized(db))
return;
closeDatabase();
QSqlQuery del_algo("DELETE FROM " + m_secretAlgoTableName + " WHERE id=1", db);
del_algo.exec();
QSqlQuery del_hash("DELETE FROM " + m_secretHashTableName + " WHERE id=1", db);
del_hash.exec();
}
std::string PasswordManager::encrypt(const std::string &name, const std::string &passwd)
@ -246,7 +258,7 @@ bool PasswordManager::isPskStoreInitialized(QSqlDatabase& db)
return false;
}
QSqlQuery sel_algo("SELECT algo FROM " + m_secretAlgoTableName + " WHERE id=1", db);
QSqlQuery sel_algo("SELECT algo FROM " + m_secretAlgoTableName + " WHERE id=1", db);
if (!sel_algo.next()) {
return false;
}
@ -297,3 +309,4 @@ KeyStrengthener PasswordManager::createKeyStrengthener()
key_size
);
}

72
core/PasswordManager.h
View file

@ -14,64 +14,66 @@
namespace Botan {
class Encrypted_PSK_Database;
class PasswordHash;
class Encrypted_PSK_Database;
class PasswordHash;
}
class PasswordManagerException: public std::exception {
public:
using std::exception::exception; //(char const* const _Message);
using std::exception::exception; //(char const* const _Message);
};
class PasswordManagerLockedException: public PasswordManagerException {
public:
using PasswordManagerException::PasswordManagerException;
using PasswordManagerException::PasswordManagerException;
};
class PasswordCryptoEngine;
class PasswordManager {
public:
enum Result {
Ok,
Locked,
Error
};
enum Result {
Ok,
Locked,
Error
};
PasswordManager();
~PasswordManager();
PasswordManager();
~PasswordManager();
/** Check if it has been initialized before.
*
* If returns false then use createDatabase to set it up
* else use openDatabase to get access.
*/
bool initialized(QSqlDatabase &db);
bool createDatabase(QSqlDatabase &db, QString passphrase);
/// Opens the PSK database
bool openDatabase(QSqlDatabase &db, QString passphrase);
void closeDatabase();
bool locked() const;
/** Check if it has been initialized before.
*
* If returns false then use createDatabase to set it up
* else use openDatabase to get access.
*/
bool initialized(QSqlDatabase &db);
bool createDatabase(QSqlDatabase &db, QString passphrase);
/// Opens the PSK database
bool openDatabase(QSqlDatabase &db, QString passphrase);
void closeDatabase();
bool locked() const;
void resetMasterPassword(QSqlDatabase &db);
std::string encrypt(const std::string &id, const std::string &passwd);
std::string decrypt(const std::string &id, const std::string_view &encpwd);
std::string encrypt(const std::string &id, const std::string &passwd);
std::string decrypt(const std::string &id, const std::string_view &encpwd);
private:
QString m_passwordTableName = "psk_passwd";
QString m_secretAlgoTableName = "psk_masterkey_algo";
QString m_secretHashTableName = "psk_masterkey_hash";
std::unique_ptr<PasswordCryptoEngine> m_cryptoEngine;
QString m_passwordTableName = "psk_passwd";
QString m_secretAlgoTableName = "psk_masterkey_algo";
QString m_secretHashTableName = "psk_masterkey_hash";
std::unique_ptr<PasswordCryptoEngine> m_cryptoEngine;
bool isPskStoreInitialized(QSqlDatabase& db);
void initializeNewPskStore(QSqlDatabase &db);
bool isPskStoreInitialized(QSqlDatabase& db);
void initializeNewPskStore(QSqlDatabase &db);
/// Get PasswordHash from parameters in database
KeyStrengthener getKeyStrengthener(QSqlDatabase &db);
KeyStrengthener createKeyStrengthener();
/// Get PasswordHash from parameters in database
KeyStrengthener getKeyStrengthener(QSqlDatabase &db);
KeyStrengthener createKeyStrengthener();
std::tuple<Botan::secure_vector<uint8_t>, Botan::secure_vector<uint8_t>>
deriveKey(KeyStrengthener &ks, QString passphrase);
std::tuple<Botan::secure_vector<uint8_t>, Botan::secure_vector<uint8_t>>
deriveKey(KeyStrengthener &ks, QString passphrase);
};