1# Copyright 2017 Google Inc.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15"""ECDSA (ES256) verifier and signer that use the ``cryptography`` library.
16"""
17
18from google.auth.crypt.es import EsSigner
19from google.auth.crypt.es import EsVerifier
20
21
22class ES256Verifier(EsVerifier):
23 """Verifies ECDSA cryptographic signatures using public keys.
24
25 Args:
26 public_key (cryptography.hazmat.primitives.asymmetric.ec.ECDSAPublicKey): The public key used to verify
27 signatures.
28 """
29
30 pass
31
32
33class ES256Signer(EsSigner):
34 """Signs messages with an ECDSA private key.
35
36 Args:
37 private_key (
38 cryptography.hazmat.primitives.asymmetric.ec.ECDSAPrivateKey):
39 The private key to sign with.
40 key_id (str): Optional key ID used to identify this private key. This
41 can be useful to associate the private key with its associated
42 public key or certificate.
43 """
44
45 pass