fix(plugin): bundle Python dependencies for standalone deployment

py_modules/cryptography/hazmat/decrepit/ciphers/modes.py

@@ -0,0 +1,53 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from __future__ import annotations
+
+from cryptography import utils
+from cryptography.hazmat.primitives._modes import (
+    ModeWithInitializationVector,
+    _check_iv_and_key_length,
+)
+
+
+class OFB(ModeWithInitializationVector):
+    name = "OFB"
+
+    def __init__(self, initialization_vector: utils.Buffer):
+        utils._check_byteslike("initialization_vector", initialization_vector)
+        self._initialization_vector = initialization_vector
+
+    @property
+    def initialization_vector(self) -> utils.Buffer:
+        return self._initialization_vector
+
+    validate_for_algorithm = _check_iv_and_key_length
+
+
+class CFB(ModeWithInitializationVector):
+    name = "CFB"
+
+    def __init__(self, initialization_vector: utils.Buffer):
+        utils._check_byteslike("initialization_vector", initialization_vector)
+        self._initialization_vector = initialization_vector
+
+    @property
+    def initialization_vector(self) -> utils.Buffer:
+        return self._initialization_vector
+
+    validate_for_algorithm = _check_iv_and_key_length
+
+
+class CFB8(ModeWithInitializationVector):
+    name = "CFB8"
+
+    def __init__(self, initialization_vector: utils.Buffer):
+        utils._check_byteslike("initialization_vector", initialization_vector)
+        self._initialization_vector = initialization_vector
+
+    @property
+    def initialization_vector(self) -> utils.Buffer:
+        return self._initialization_vector
+
+    validate_for_algorithm = _check_iv_and_key_length