def test_3_tensorflow_classifier(self):
        """
        First test with the TensorFlowClassifier.
        :return:
        """
        # Build TensorFlowClassifier
        victim_tfc, sess = get_image_classifier_tf()

        # Create the thieved classifier
        thieved_tfc, _ = get_image_classifier_tf(load_init=False, sess=sess)

        # Create random attack
        attack = KnockoffNets(
            classifier=victim_tfc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="random",
            verbose=False,
        )
        thieved_tfc = attack.extract(x=self.x_train_mnist,
                                     thieved_classifier=thieved_tfc)

        victim_preds = np.argmax(victim_tfc.predict(x=self.x_train_mnist),
                                 axis=1)
        thieved_preds = np.argmax(thieved_tfc.predict(x=self.x_train_mnist),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.3)

        # Create adaptive attack
        attack = KnockoffNets(
            classifier=victim_tfc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="adaptive",
            reward="all",
            verbose=False,
        )
        thieved_tfc = attack.extract(x=self.x_train_mnist,
                                     y=self.y_train_mnist,
                                     thieved_classifier=thieved_tfc)

        victim_preds = np.argmax(victim_tfc.predict(x=self.x_train_mnist),
                                 axis=1)
        thieved_preds = np.argmax(thieved_tfc.predict(x=self.x_train_mnist),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.4)

        # Clean-up session
        if sess is not None:
            sess.close()
    def test_6_keras_iris(self):
        """
        Second test for Keras.
        :return:
        """
        # Build KerasClassifier
        victim_krc = get_tabular_classifier_kr()

        # Create the thieved classifier
        thieved_krc = get_tabular_classifier_kr(load_init=False)

        # Create random attack
        attack = KnockoffNets(
            classifier=victim_krc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="random",
            verbose=False,
        )
        thieved_krc = attack.extract(x=self.x_train_iris,
                                     thieved_classifier=thieved_krc)

        victim_preds = np.argmax(victim_krc.predict(x=self.x_train_iris),
                                 axis=1)
        thieved_preds = np.argmax(thieved_krc.predict(x=self.x_train_iris),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.3)

        # Create adaptive attack
        attack = KnockoffNets(
            classifier=victim_krc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="adaptive",
            reward="all",
            verbose=False,
        )
        thieved_krc = attack.extract(x=self.x_train_iris,
                                     y=self.y_train_iris,
                                     thieved_classifier=thieved_krc)

        victim_preds = np.argmax(victim_krc.predict(x=self.x_train_iris),
                                 axis=1)
        thieved_preds = np.argmax(thieved_krc.predict(x=self.x_train_iris),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.33)

        # Clean-up
        k.clear_session()
    def test_4_pytorch_iris(self):
        """
        Third test for PyTorch.
        :return:
        """
        # Build PyTorchClassifier
        victim_ptc = get_tabular_classifier_pt()

        # Create the thieved classifier
        thieved_ptc = get_tabular_classifier_pt(load_init=False)

        # Create random attack
        attack = KnockoffNets(
            classifier=victim_ptc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="random",
            verbose=False,
        )
        thieved_ptc = attack.extract(x=self.x_train_iris,
                                     thieved_classifier=thieved_ptc)

        victim_preds = np.argmax(victim_ptc.predict(x=self.x_train_iris),
                                 axis=1)
        thieved_preds = np.argmax(thieved_ptc.predict(x=self.x_train_iris),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.3)

        # Create adaptive attack
        attack = KnockoffNets(
            classifier=victim_ptc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="adaptive",
            reward="all",
            verbose=False,
        )
        thieved_ptc = attack.extract(x=self.x_train_iris,
                                     y=self.y_train_iris,
                                     thieved_classifier=thieved_ptc)

        victim_preds = np.argmax(victim_ptc.predict(x=self.x_train_iris),
                                 axis=1)
        thieved_preds = np.argmax(thieved_ptc.predict(x=self.x_train_iris),
                                  axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.4)
Beispiel #4
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    def test_5_pytorch_classifier(self):
        """
        Third test with the PyTorchClassifier.
        :return:
        """
        self.x_train_mnist = np.reshape(self.x_train_mnist, (self.x_train_mnist.shape[0], 1, 28, 28)).astype(np.float32)

        # Build PyTorchClassifier
        victim_ptc = get_image_classifier_pt()

        # Create the thieved classifier
        thieved_ptc = get_image_classifier_pt(load_init=False)

        # Create random attack
        attack = KnockoffNets(
            classifier=victim_ptc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="random",
            verbose=False,
        )

        thieved_ptc = attack.extract(x=self.x_train_mnist, thieved_classifier=thieved_ptc)

        victim_preds = np.argmax(victim_ptc.predict(x=self.x_train_mnist), axis=1)
        thieved_preds = np.argmax(thieved_ptc.predict(x=self.x_train_mnist), axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.3)

        # Create adaptive attack
        attack = KnockoffNets(
            classifier=victim_ptc,
            batch_size_fit=BATCH_SIZE,
            batch_size_query=BATCH_SIZE,
            nb_epochs=NB_EPOCHS,
            nb_stolen=NB_STOLEN,
            sampling_strategy="adaptive",
            reward="all",
            verbose=False,
        )
        thieved_ptc = attack.extract(x=self.x_train_mnist, y=self.y_train_mnist, thieved_classifier=thieved_ptc)

        victim_preds = np.argmax(victim_ptc.predict(x=self.x_train_mnist), axis=1)
        thieved_preds = np.argmax(thieved_ptc.predict(x=self.x_train_mnist), axis=1)
        acc = np.sum(victim_preds == thieved_preds) / len(victim_preds)

        self.assertGreater(acc, 0.4)

        self.x_train_mnist = np.reshape(self.x_train_mnist, (self.x_train_mnist.shape[0], 28, 28, 1)).astype(np.float32)