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venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py

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+# 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
+
+import sys
+
+from cryptography.hazmat.bindings._rust import openssl as rust_openssl
+from cryptography.hazmat.primitives.kdf import KeyDerivationFunction
+
+# This is used by the scrypt tests to skip tests that require more memory
+# than the MEM_LIMIT
+_MEM_LIMIT = sys.maxsize // 2
+
+Scrypt = rust_openssl.kdf.Scrypt
+KeyDerivationFunction.register(Scrypt)
+
+__all__ = ["Scrypt"]