#[derive(Copy, Clone)]
pub struct Crypto {
    _private: ()
}

/// Initialize the cryptography engine by doing some pre-computations.
///
/// unsafe: This writes to a static mut, and thus may only be called while no
/// [Crypto] struct exists. In particular, it is safe to call once, as this is the only
/// constructor of a Crypto.
unsafe fn edhoc_rs_crypto_init() -> Crypto {
    unsafe { /* one-time initialization stuff */ };
    Crypto { _private: () }
}