Example #1
0
    def test_parallel_sequence_running_time(self):
        X = np.ones((50, 50))

        curr_time1 = time.time()
        encryption.encrypt_matrix(self.publickey, X)
        curr_time2 = time.time()
        seq_running_time = curr_time2 - curr_time1
        distribute_encrypt_matrix(self.publickey, X)
        curr_time3 = time.time()
        parallel_running_time = curr_time3 - curr_time2

        assert seq_running_time - parallel_running_time > 0
Example #2
0
    def send_components(self):
        if self.is_min_gen_enc:
            self.logger.debug("using min_gen_enc")

            self._compute_components()

            # phi has shape (1, feature_dim)
            # phi_2 has shape (feature_dim, feature_dim)
            enc_phi = encryption.encrypt_matrix(self.public_key, self.phi)
            enc_phi_2 = distribute_encrypt_matmul_2_ob(self.phi.transpose(),
                                                       enc_phi)

            # enc_y_overlap_2_phi_2 = 0.25 * np.expand_dims(self.y_overlap_2, axis=2) * enc_phi_2
            # enc_y_overlap_phi = -0.5 * self.y_overlap * enc_phi
            enc_y_overlap_2_phi_2 = distribute_compute_XY(
                0.25 * np.expand_dims(self.y_overlap_2, axis=2),
                np.tile(enc_phi_2, (self.y_overlap_2.shape[0], 1, 1)))
            enc_y_overlap_phi = distribute_compute_XY(
                -0.5 * self.y_overlap,
                np.tile(enc_phi, (self.y_overlap.shape[0], 1)))
            enc_mapping_comp_A = distribute_encrypt_matrix(
                self.public_key, self.mapping_comp_A)

            return [
                enc_y_overlap_2_phi_2, enc_y_overlap_phi, enc_mapping_comp_A
            ]
        else:
            components = super(EncryptedFTLGuestModel, self).send_components()
            return self.__encrypt_components(components)
Example #3
0
def distribute_encrypt(public_key, X):
    """
    encrypt X
    :param X: DTable
    :return: a dictionary
    """

    X2 = X.mapValues(lambda x: encrypt_matrix(public_key, x))
    val = X2.collect()
    val = dict(val)
    return val