pub unsafe extern "C" fn SecKeyCreateSignature(
key: SecKeyRef,
algorithm: SecKeyAlgorithm,
data_to_sign: CFDataRef,
error: *mut CFErrorRef,
) -> CFDataRefAvailable on crate feature
raw-ffi only.pub unsafe extern "C" fn SecKeyCreateSignature(
key: SecKeyRef,
algorithm: SecKeyAlgorithm,
data_to_sign: CFDataRef,
error: *mut CFErrorRef,
) -> CFDataRefraw-ffi only.