public CKR C_EX_LoadActivationKey(NativeULong session, byte[] key) { if (_disposed) throw new ObjectDisposedException(GetType().FullName); NativeULong keyLength = 0; if (key != null) keyLength = (NativeULong)(key.Length); NativeULong rv = _rutokenDelegates.C_EX_LoadActivationKey(session, key, keyLength); return (CKR)rv; }