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| author | Alex Gaynor <alex.gaynor@gmail.com> | 2017-06-30 15:50:23 -0700 |
|---|---|---|
| committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2017-06-30 17:50:23 -0500 |
| commit | 51f049ab3c6eaddd2afc5b089d54ac7b8244fa1e (patch) | |
| tree | e00c0aa93e9693d582363bcfe567ed7af405e5b4 /src | |
| parent | b16206e4f5c1f2c18eebe669713df7223b0f4cb0 (diff) | |
| download | cryptography-51f049ab3c6eaddd2afc5b089d54ac7b8244fa1e.tar.gz cryptography-51f049ab3c6eaddd2afc5b089d54ac7b8244fa1e.tar.bz2 cryptography-51f049ab3c6eaddd2afc5b089d54ac7b8244fa1e.zip | |
Fixed a memory leak in EC private numbers (#3741)
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/backend.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py index c481c094..18238e1c 100644 --- a/src/cryptography/hazmat/backends/openssl/backend.py +++ b/src/cryptography/hazmat/backends/openssl/backend.py @@ -1326,8 +1326,10 @@ class Backend(object): ec_cdata = self._ec_key_set_public_key_affine_coordinates( ec_cdata, public.x, public.y) - res = self._lib.EC_KEY_set_private_key( - ec_cdata, self._int_to_bn(numbers.private_value)) + private_value = self._ffi.gc( + self._int_to_bn(numbers.private_value), self._lib.BN_free + ) + res = self._lib.EC_KEY_set_private_key(ec_cdata, private_value) self.openssl_assert(res == 1) evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) |