diff options
Diffstat (limited to 'client/src/leap/soledad/client/crypto.py')
| -rw-r--r-- | client/src/leap/soledad/client/crypto.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/client/src/leap/soledad/client/crypto.py b/client/src/leap/soledad/client/crypto.py index 07a3eaab..363d71b9 100644 --- a/client/src/leap/soledad/client/crypto.py +++ b/client/src/leap/soledad/client/crypto.py @@ -25,7 +25,8 @@ import json import logging from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes -from cryptography.hazmat.backends import default_backend +from cryptography.hazmat.backends.multibackend import MultiBackend +from cryptography.hazmat.backends.openssl.backend import Backend as OpenSSLBackend from leap.soledad.common import soledad_assert from leap.soledad.common import soledad_assert_type @@ -57,7 +58,7 @@ def encrypt_sym(data, key): (len(key) * 8)) iv = os.urandom(16) - backend = default_backend() + backend = MultiBackend([OpenSSLBackend()]) cipher = Cipher(algorithms.AES(key), modes.CTR(iv), backend=backend) encryptor = cipher.encryptor() ciphertext = encryptor.update(data) + encryptor.finalize() @@ -85,7 +86,7 @@ def decrypt_sym(data, key, iv): soledad_assert( len(key) == 32, # 32 x 8 = 256 bits. 'Wrong key size: %s (must be 256 bits long).' % len(key)) - backend = default_backend() + backend = MultiBackend([OpenSSLBackend()]) iv = binascii.a2b_base64(iv) cipher = Cipher(algorithms.AES(key), modes.CTR(iv), backend=backend) decryptor = cipher.decryptor() |