c35b902f44627bc53be6152092bc60ae82b1fe2e,art/attacks/inference/membership_inference.py,MembershipInferenceBlackBox,fit,#MembershipInferenceBlackBox#Any#Any#Any#Any#,195

Before Change

                            Default is probability.
        :return: An array holding the inferred membership status, 1 indicates a member and 0 indicates non-member.
        
        if "input_type" not in kwargs.keys():
            self.input_type = "probability"
        else:
            self.input_type = kwargs.get("input_type")
        if y.shape[0] != x.shape[0]:
            raise ValueError("Number of rows in x and y do not match")
        if self.estimator.input_shape[0] != x.shape[1]:
            raise ValueError("Shape of x does not match input_shape of classifier")

After Change

            // members
            features = self.estimator.loss(x, y).astype(np.float32).reshape(-1, 1)
            // non-members
            test_features = self.estimator.loss(test_x, test_y).astype(np.float32).reshape(-1, 1)
        else:
            raise ValueError("Illegal value for parameter `input_type`.")

Instances