polyjuice_util

# Copyright 2019 Hubert Chathi <hubert@uhoreg.ca>
#
# 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.
#
# SPDX-FileCopyrightText: 2019 Hubert Chathi <hubert@uhoreg.ca>
# SPDX-License-Identifier: Apache-2.0

defprotocol Polyjuice.Util.SigningKey do
  @spec sign(key :: Polyjuice.Util.SigningKey.t(), msg :: String.t()) :: String.t()
  def sign(key, msg)

  @spec id(key :: Polyjuice.Util.SigningKey.t()) :: String.t()
  def id(key)

  @spec version(key :: Polyjuice.Util.SigningKey.t()) :: String.t()
  def version(key)

  @spec algorithm(key :: Polyjuice.Util.SigningKey.t()) :: String.t()
  def algorithm(key)
end