This works but we should really be using self.
Also assert RSA_new doesn't return NULL
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py
index 8a4aeac..90d608f 100644
--- a/cryptography/hazmat/backends/openssl/backend.py
+++ b/cryptography/hazmat/backends/openssl/backend.py
@@ -284,18 +284,19 @@
if key_size < 512:
raise ValueError("key_size must be at least 512-bits")
- ctx = backend._lib.RSA_new()
- ctx = backend._ffi.gc(ctx, backend._lib.RSA_free)
+ ctx = self._lib.RSA_new()
+ assert ctx != self._ffi.NULL
+ ctx = self._ffi.gc(ctx, self._lib.RSA_free)
- bn = backend._lib.BN_new()
+ bn = self._lib.BN_new()
assert bn != self._ffi.NULL
- bn = backend._ffi.gc(bn, backend._lib.BN_free)
+ bn = self._ffi.gc(bn, self._lib.BN_free)
- res = backend._lib.BN_set_word(bn, public_exponent)
+ res = self._lib.BN_set_word(bn, public_exponent)
assert res == 1
- res = backend._lib.RSA_generate_key_ex(
- ctx, key_size, bn, backend._ffi.NULL
+ res = self._lib.RSA_generate_key_ex(
+ ctx, key_size, bn, self._ffi.NULL
)
assert res == 1