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author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2015-05-19 13:05:21 -0700 |
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committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2015-06-07 23:27:54 -0500 |
commit | 68b3b1ea8661b98c7afc3243e84c998601b70f18 (patch) | |
tree | 08ae523d4f6a76f005e53d4d06d30528fcd9b120 /src/cryptography/hazmat/primitives/constant_time.py | |
parent | ca820de5c681d5bb53cb8376eaf7bc85c4bbcdd3 (diff) | |
download | cryptography-68b3b1ea8661b98c7afc3243e84c998601b70f18.tar.gz cryptography-68b3b1ea8661b98c7afc3243e84c998601b70f18.tar.bz2 cryptography-68b3b1ea8661b98c7afc3243e84c998601b70f18.zip |
convert to cffi 1.0 precompile system
Diffstat (limited to 'src/cryptography/hazmat/primitives/constant_time.py')
-rw-r--r-- | src/cryptography/hazmat/primitives/constant_time.py | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/src/cryptography/hazmat/primitives/constant_time.py b/src/cryptography/hazmat/primitives/constant_time.py index bf85bde1..5a682ca9 100644 --- a/src/cryptography/hazmat/primitives/constant_time.py +++ b/src/cryptography/hazmat/primitives/constant_time.py @@ -5,20 +5,8 @@ from __future__ import absolute_import, division, print_function import hmac -import os -from cryptography.hazmat.bindings.utils import LazyLibrary, build_ffi - - -with open(os.path.join(os.path.dirname(__file__), "src/constant_time.h")) as f: - TYPES = f.read() - -with open(os.path.join(os.path.dirname(__file__), "src/constant_time.c")) as f: - FUNCTIONS = f.read() - - -_ffi = build_ffi(cdef_source=TYPES, verify_source=FUNCTIONS) -_lib = LazyLibrary(_ffi) +from cryptography.hazmat.bindings._constant_time import lib if hasattr(hmac, "compare_digest"): @@ -33,6 +21,6 @@ else: if not isinstance(a, bytes) or not isinstance(b, bytes): raise TypeError("a and b must be bytes.") - return _lib.Cryptography_constant_time_bytes_eq( + return lib.Cryptography_constant_time_bytes_eq( a, len(a), b, len(b) ) == 1 |