QString pass_hash = QCryptographicHash::hash(hsh,QCryptographicHash::Md5);
C++ (Qt)db.setPassword("qwerty");
C++ (Qt)QString pass_hash = QCryptographicHash::hash("qwerty",QCryptographicHash::Md5);
C++ (Qt)QString pass_hash = QCryptographicHash::hash("qwerty",QCryptographicHash::Md5).toHex();
C++ (Qt)qDebug()<<QCryptographicHash::hash("qweqwe",QCryptographicHash::Md5).toHex();