Function block_builtin_algorithms

Lib/test/support/hashlib_helper.py:1090–1095

Block HACL* implementations, except those given in *exclude*.

(*, exclude=())

@contextlib.contextmanager
def block_builtin_algorithms(*, exclude=()):
    """Block HACL* implementations, except those given in *exclude*."""
    with contextlib.ExitStack() as stack:
        for name in CANONICAL_DIGEST_NAMES.difference(exclude):
            stack.enter_context(block_algorithm(name, allow_openssl=True))
        yield