1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.primitives import _serialization
generate_parameters = rust_openssl.dh.generate_parameters
DHPrivateNumbers = rust_openssl.dh.DHPrivateNumbers
DHPublicNumbers = rust_openssl.dh.DHPublicNumbers
DHParameterNumbers = rust_openssl.dh.DHParameterNumbers
class DHParameters(metaclass=abc.ABCMeta):
@abc.abstractmethod
def generate_private_key(self) -> DHPrivateKey:
"""
Generates and returns a DHPrivateKey.
"""
@abc.abstractmethod
def parameter_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.ParameterFormat,
) -> bytes:
"""
Returns the parameters serialized as bytes.
"""
@abc.abstractmethod
def parameter_numbers(self) -> DHParameterNumbers:
"""
Returns a DHParameterNumbers.
"""
DHParametersWithSerialization = DHParameters
DHParameters.register(rust_openssl.dh.DHParameters)
class DHPublicKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def parameters(self) -> DHParameters:
"""
The DHParameters object associated with this public key.
"""
@abc.abstractmethod
def public_numbers(self) -> DHPublicNumbers:
"""
Returns a DHPublicNumbers.
"""
@abc.abstractmethod
def public_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PublicFormat,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def __eq__(self, other: object) -> bool:
"""
Checks equality.
"""
DHPublicKeyWithSerialization = DHPublicKey
DHPublicKey.register(rust_openssl.dh.DHPublicKey)
class DHPrivateKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def public_key(self) -> DHPublicKey:
"""
The DHPublicKey associated with this private key.
"""
@abc.abstractmethod
def parameters(self) -> DHParameters:
"""
The DHParameters object associated with this private key.
"""
@abc.abstractmethod
def exchange(self, peer_public_key: DHPublicKey) -> bytes:
"""
Given peer's DHPublicKey, carry out the key exchange and
return shared key as bytes.
"""
@abc.abstractmethod
def private_numbers(self) -> DHPrivateNumbers:
"""
Returns a DHPrivateNumbers.
"""
@abc.abstractmethod
def private_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PrivateFormat,
encryption_algorithm: _serialization.KeySerializationEncryption,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
DHPrivateKeyWithSerialization = DHPrivateKey
DHPrivateKey.register(rust_openssl.dh.DHPrivateKey)
|
