public CKR C_EX_InitToken(NativeULong slotId, byte[] pin, ref CK_RUTOKEN_INIT_PARAM initInfo)
        {
            if (_disposed)
                throw new ObjectDisposedException(GetType().FullName);

            NativeULong pinLength = 0;
            if (pin != null)
                pinLength = (NativeULong)(pin.Length);

            NativeULong rv = _rutokenDelegates.C_EX_InitToken(slotId, pin, pinLength, ref initInfo);
            return (CKR)rv;
        }