def finalize_options(self):
from cryptography.hazmat.bindings.commoncrypto.binding import Binding as CommonCryptoBinding
from cryptography.hazmat.bindings.openssl.binding import Binding as OpenSSLBinding
from cryptography.hazmat.primitives import constant_time, padding
self.distribution.ext_modules = [
OpenSSLBinding().ffi.verifier.get_extension(),
constant_time._ffi.verifier.get_extension(),
padding._ffi.verifier.get_extension(),
]
if CommonCryptoBinding.is_available():
self.distribution.ext_modules.append(CommonCryptoBinding().ffi.verifier.get_extension())
build.finalize_options(self)
def __init__(self):
self._binding = Binding()
self._ffi = self._binding.ffi
self._lib = self._binding.lib
self._cipher_registry = {}
self._register_default_ciphers()
self._hash_mapping = {
"md5": HashMethods(
"CC_MD5_CTX *", self._lib.CC_MD5_Init,
self._lib.CC_MD5_Update, self._lib.CC_MD5_Final
),
"sha1": HashMethods(
"CC_SHA1_CTX *", self._lib.CC_SHA1_Init,
self._lib.CC_SHA1_Update, self._lib.CC_SHA1_Final
),
"sha224": HashMethods(
"CC_SHA256_CTX *", self._lib.CC_SHA224_Init,
self._lib.CC_SHA224_Update, self._lib.CC_SHA224_Final
),
"sha256": HashMethods(
"CC_SHA256_CTX *", self._lib.CC_SHA256_Init,
self._lib.CC_SHA256_Update, self._lib.CC_SHA256_Final
),
"sha384": HashMethods(
"CC_SHA512_CTX *", self._lib.CC_SHA384_Init,
self._lib.CC_SHA384_Update, self._lib.CC_SHA384_Final
),
"sha512": HashMethods(
"CC_SHA512_CTX *", self._lib.CC_SHA512_Init,
self._lib.CC_SHA512_Update, self._lib.CC_SHA512_Final
),
}
self._supported_hmac_algorithms = {
"md5": self._lib.kCCHmacAlgMD5,
"sha1": self._lib.kCCHmacAlgSHA1,
"sha224": self._lib.kCCHmacAlgSHA224,
"sha256": self._lib.kCCHmacAlgSHA256,
"sha384": self._lib.kCCHmacAlgSHA384,
"sha512": self._lib.kCCHmacAlgSHA512,
}
self._supported_pbkdf2_hmac_algorithms = {
"sha1": self._lib.kCCPRFHmacAlgSHA1,
"sha224": self._lib.kCCPRFHmacAlgSHA224,
"sha256": self._lib.kCCPRFHmacAlgSHA256,
"sha384": self._lib.kCCPRFHmacAlgSHA384,
"sha512": self._lib.kCCPRFHmacAlgSHA512,
}
def get_ext_modules():
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding)
from cryptography.hazmat.bindings.openssl.binding import (Binding as
OpenSSLBinding)
from cryptography.hazmat.primitives import constant_time, padding
ext_modules = [
OpenSSLBinding().ffi.verifier.get_extension(),
constant_time._ffi.verifier.get_extension(),
padding._ffi.verifier.get_extension()
]
if CommonCryptoBinding.is_available():
ext_modules.append(CommonCryptoBinding().ffi.verifier.get_extension())
return ext_modules
def _available_backends():
global _available_backends_list
if _available_backends_list is None:
_available_backends_list = []
if CommonCryptoBinding.is_available():
from cryptography.hazmat.backends import commoncrypto
_available_backends_list.append(commoncrypto.backend)
if OpenSSLBinding.is_available():
from cryptography.hazmat.backends import openssl
_available_backends_list.append(openssl.backend)
return _available_backends_list
def _available_backends():
global _available_backends_list
if _available_backends_list is None:
_available_backends_list = []
if CommonCryptoBinding.is_available():
from cryptography.hazmat.backends import commoncrypto
_available_backends_list.append(commoncrypto.backend)
if OpenSSLBinding.is_available():
from cryptography.hazmat.backends import openssl
_available_backends_list.append(openssl.backend)
return _available_backends_list
def get_ext_modules():
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding
)
from cryptography.hazmat.bindings.openssl.binding import (
Binding as OpenSSLBinding
)
from cryptography.hazmat.primitives import constant_time, padding
ext_modules = [
OpenSSLBinding().ffi.verifier.get_extension(),
constant_time._ffi.verifier.get_extension(),
padding._ffi.verifier.get_extension()
]
if CommonCryptoBinding.is_available():
ext_modules.append(CommonCryptoBinding().ffi.verifier.get_extension())
return ext_modules
def finalize_options(self):
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding)
from cryptography.hazmat.bindings.openssl.binding import (
Binding as OpenSSLBinding)
from cryptography.hazmat.primitives import constant_time, padding
self.distribution.ext_modules = [
OpenSSLBinding().ffi.verifier.get_extension(),
constant_time._ffi.verifier.get_extension(),
padding._ffi.verifier.get_extension()
]
if CommonCryptoBinding.is_available():
self.distribution.ext_modules.append(
CommonCryptoBinding().ffi.verifier.get_extension())
build.finalize_options(self)
# 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.
from cryptography.hazmat.backends import openssl
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CCBinding
)
_ALL_BACKENDS = [openssl.backend]
if CCBinding.is_available():
from cryptography.hazmat.backends import commoncrypto
_ALL_BACKENDS.append(commoncrypto.backend)
def default_backend():
return openssl.backend
from cryptography import utils
from cryptography.exceptions import UnsupportedAlgorithm, InternalError
from cryptography.hazmat.bindings.commoncrypto.binding import Binding
from cryptography.hazmat.primitives import interfaces
from cryptography.hazmat.primitives.ciphers.algorithms import AES
from cryptography.hazmat.primitives.ciphers.base import Cipher
from cryptography.hazmat.primitives.ciphers.modes import CBC, GCM
@utils.register_interface(interfaces.CipherAlgorithm)
class DummyCipher(object):
name = "dummy-cipher"
block_size = 128
@pytest.mark.skipif(not Binding.is_available(),
reason="CommonCrypto not available")
class TestCommonCrypto(object):
def test_supports_cipher(self):
from cryptography.hazmat.backends.commoncrypto.backend import backend
assert backend.cipher_supported(None, None) is False
def test_register_duplicate_cipher_adapter(self):
from cryptography.hazmat.backends.commoncrypto.backend import backend
with pytest.raises(ValueError):
backend._register_cipher_adapter(
AES, backend._lib.kCCAlgorithmAES128,
CBC, backend._lib.kCCModeCBC
)
def test_handle_response(self):
# 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.
from cryptography.hazmat.backends import openssl
from cryptography.hazmat.backends.multibackend import MultiBackend
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding)
_ALL_BACKENDS = []
if CommonCryptoBinding.is_available():
from cryptography.hazmat.backends import commoncrypto
_ALL_BACKENDS.append(commoncrypto.backend)
_ALL_BACKENDS.append(openssl.backend)
_default_backend = MultiBackend(_ALL_BACKENDS)
def default_backend():
return _default_backend
# 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.
from cryptography.hazmat.backends import openssl
from cryptography.hazmat.backends.multibackend import MultiBackend
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding
)
_ALL_BACKENDS = [openssl.backend]
if CommonCryptoBinding.is_available():
from cryptography.hazmat.backends import commoncrypto
_ALL_BACKENDS.append(commoncrypto.backend)
_default_backend = MultiBackend(_ALL_BACKENDS)
def default_backend():
return _default_backend
from cryptography.hazmat.bindings.commoncrypto.binding import Binding
from cryptography.hazmat.primitives import interfaces
from cryptography.hazmat.primitives.ciphers.algorithms import AES
from cryptography.hazmat.primitives.ciphers.base import Cipher
from cryptography.hazmat.primitives.ciphers.modes import CBC, GCM
from ...utils import raises_unsupported_algorithm
@utils.register_interface(interfaces.CipherAlgorithm)
class DummyCipher(object):
name = "dummy-cipher"
block_size = 128
@pytest.mark.skipif(not Binding.is_available(),
reason="CommonCrypto not available")
class TestCommonCrypto(object):
def test_supports_cipher(self):
from cryptography.hazmat.backends.commoncrypto.backend import backend
assert backend.cipher_supported(None, None) is False
def test_register_duplicate_cipher_adapter(self):
from cryptography.hazmat.backends.commoncrypto.backend import backend
with pytest.raises(ValueError):
backend._register_cipher_adapter(
AES, backend._lib.kCCAlgorithmAES128,
CBC, backend._lib.kCCModeCBC
)
def test_handle_response(self):
def test_binding_returns_same_lib(self):
binding = Binding()
binding2 = Binding()
assert binding.lib == binding2.lib
assert binding.ffi == binding2.ffi
def test_binding_loads(self):
binding = Binding()
assert binding
assert binding.lib
assert binding.ffi
