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# -*- coding: utf-8 -*-
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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.
import sys
from typing import TYPE_CHECKING
import nacl.signing
if TYPE_CHECKING or sys.version_info < (3, 8, 0):
from typing_extensions import Protocol
else:
from typing import Protocol
class BaseKey(Protocol):
"""Common base type for VerifyKey and SigningKey"""
version = "" # type: str
alg = "" # type: str
def __bytes__(self) -> bytes:
pass
def encode(self):
# type: () -> bytes
pass # pragma: nocover
class VerifyKey(BaseKey):
"""The public part of a key pair, for use with verify_signed_json"""
def verify(self, message, signature):
# type: (bytes, bytes) -> bytes
pass # pragma: nocover
class VerifyKeyWithExpiry(VerifyKey):
expired: int
class SigningKey(BaseKey):
"""The private part of a key pair, for use with sign_json"""
def sign(self, message):
# type: (bytes) -> nacl.signing.SignedMessage
pass # pragma: nocover
@property
def verify_key(self):
# Note: use `signedjson.key.get_verify_key` to get a
# `signedjson.types.VerifyKey`.
# type: () -> nacl.signing.VerifyKey
pass # pragma: nocover
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