Setup: Set the user Model and column names in config.
save: $salt = $this->plugin->Auth->generateSalt(); $password = $this->plugin->Auth->saltPassword($salt, $password); // save the user's salt and password
login: $success = $this->plugin->Auth->login($email, $password);
check: $this->plugin->Auth->isLoggedIn();
logout: $this->plugin->Auth->logOut();