diff options
| -rw-r--r-- | cryptography/bindings/openssl/api.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/cryptography/bindings/openssl/api.py b/cryptography/bindings/openssl/api.py index abdaef02..20a85cad 100644 --- a/cryptography/bindings/openssl/api.py +++ b/cryptography/bindings/openssl/api.py @@ -42,6 +42,7 @@ class API(object): int EVP_EncryptUpdate(EVP_CIPHER_CTX *, unsigned char *, int *, unsigned char *, int); int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *, unsigned char *, int *); + int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *); """) def create_block_cipher_context(self, cipher, mode): @@ -78,6 +79,11 @@ class API(object): if res == 0: # TODO: figure out openssl errors raise Exception + # TODO: this should also be called if the cipher isn't finalized. + res = self._lib.EVP_CIPHER_CTX_cleanup(ctx) + if res == 0: + # TODO: figure out openssl errors + raise Exception return self._ffi.buffer(buf)[:outlen[0]] |