#!/usr/bin/env python
# -*- coding: utf-8 -*-

#
#  Copyright 2019 The FATE Authors. All Rights Reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#


class ObliviousTransfer(object):
    """
    Base OT class
    """

    def __init__(self):
        pass


class ObliviousTransferKey(object):
    """
    A key structure used in OT protocols
    """

    def __init__(self, index, key):
        """

        :param index: natural numbers
        :param key:
        """
        self.index = index
        self.key = key