[bug] fix deprecated import of cryptography multibackend

- Resolves: #8910

2 files changed, 5 insertions, 9 deletions

diff --git a/src/leap/bitmask/core/uuid_map.py b/src/leap/bitmask/core/uuid_map.py
index 262e3db4..e7d02a31 100644
--- a/src/leap/bitmask/core/uuid_map.py
+++ b/src/leap/bitmask/core/uuid_map.py
@@ -30,13 +30,11 @@ from leap.common.config import get_path_prefix
 IS_WIN = platform.system() == "Windows"
 
 if IS_WIN:
+
     import socket
     from cryptography.fernet import Fernet
-    from cryptography.hazmat.backends.multibackend import MultiBackend
-    from cryptography.hazmat.backends.openssl.backend \
-        import Backend as OpenSSLBackend
-    crypto_backend = MultiBackend([OpenSSLBackend()])
-
+    from cryptography.hazmat.backends import default_backend
+    crypto_backend = default_backend()
 
 MAP_PATH = os.path.join(get_path_prefix(), 'leap', 'uuids')
 
diff --git a/src/leap/bitmask/mail/walk.py b/src/leap/bitmask/mail/walk.py
index 6c9fc382..e25ea162 100644
--- a/src/leap/bitmask/mail/walk.py
+++ b/src/leap/bitmask/mail/walk.py
@@ -20,14 +20,12 @@ store.
 """
 from email.parser import Parser
 
-from cryptography.hazmat.backends.multibackend import MultiBackend
-from cryptography.hazmat.backends.openssl.backend import (
-    Backend as OpenSSLBackend)
 from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.backends import default_backend
 
 from leap.bitmask.mail.utils import first
 
-crypto_backend = MultiBackend([OpenSSLBackend()])
+crypto_backend = default_backend()
 
 _parser = Parser()