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-rw-r--r--freestyle_hid/_freestyle_encryption.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/freestyle_hid/_freestyle_encryption.py b/freestyle_hid/_freestyle_encryption.py
index eb04303..0461cb8 100644
--- a/freestyle_hid/_freestyle_encryption.py
+++ b/freestyle_hid/_freestyle_encryption.py
@@ -1,5 +1,9 @@
-class SpeckEncrypt():
+# SPDX-FileCopyrightText: 2023 The freestyle-hid Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+class SpeckEncrypt:
def __init__(self, key):
# Perform key expansion and store the round keys
self.key = key & ((2 ** 128) - 1)