diff options
| -rw-r--r-- | cryptography/hazmat/bindings/openssl/binding.py | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/cryptography/hazmat/bindings/openssl/binding.py b/cryptography/hazmat/bindings/openssl/binding.py index cde3bdbd..3adcc887 100644 --- a/cryptography/hazmat/bindings/openssl/binding.py +++ b/cryptography/hazmat/bindings/openssl/binding.py @@ -86,7 +86,8 @@ class Binding(object): if cls.ffi is not None and cls.lib is not None: return - # platform check to set the right library names + # OpenSSL goes by a different library name on different operating + # systems. if sys.platform != "win32": libraries = ["crypto", "ssl"] else: # pragma: no cover @@ -98,7 +99,8 @@ class Binding(object): @classmethod def is_available(cls): - # OpenSSL is the only binding so for now it must always be available + # For now, OpenSSL is considered our "default" binding, so we treat it + # as always available. return True @classmethod @@ -112,15 +114,15 @@ class Binding(object): cls._lock_cb ) - # use Python's implementation if available - + # Use Python's implementation if available, importing _ssl triggers + # the setup for this. __import__("_ssl") if cls.lib.CRYPTO_get_locking_callback() != cls.ffi.NULL: return - # otherwise setup our version - + # If nothing else has setup a locking callback already, we set up + # our own num_locks = cls.lib.CRYPTO_num_locks() cls._locks = [threading.Lock() for n in range(num_locks)] |