def update_registration_key(self, username, new_key): # Update registration key for a given user pass
def update_registration_key(self, username, current_key, new_key): # Authenticate user and verify current key if not self.authenticate_user(username, current_key): return "Authentication failed" remouse registration key upd
# Validate new key if not self.key_validator.validate(new_key): return "Invalid new registration key" remouse registration key upd