| # 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"] | |