/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/commoncrypto/binding.py is in python-cryptography 0.6.1-1+deb8u1.
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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 | # 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 __future__ import absolute_import, division, print_function
from cryptography.hazmat.bindings.utils import build_ffi
class Binding(object):
"""
CommonCrypto API wrapper.
"""
_module_prefix = "cryptography.hazmat.bindings.commoncrypto."
_modules = [
"cf",
"common_digest",
"common_hmac",
"common_key_derivation",
"common_cryptor",
"secimport",
"secitem",
"seckey",
"seckeychain",
"sectransform",
]
ffi = None
lib = None
def __init__(self):
self._ensure_ffi_initialized()
@classmethod
def _ensure_ffi_initialized(cls):
if cls.ffi is not None and cls.lib is not None:
return
cls.ffi, cls.lib = build_ffi(
module_prefix=cls._module_prefix,
modules=cls._modules,
extra_link_args=[
"-framework", "Security", "-framework", "CoreFoundation"
]
)
|