+#define GCAEADENC_KEY(o) (((gcaeadenc_pyobj *)(o))->key)
+static PyObject *gaeadenc_pywrap(PyObject *, gaead_enc *, unsigned,
+ size_t, size_t, size_t);
+
+typedef struct gaeadenc_pyobj {
+ PyObject_HEAD
+ gaead_enc *e;
+ gaeadaad_pyobj *aad;
+ unsigned f;
+ size_t hsz, msz, tsz;
+ size_t mlen;
+} gaeadenc_pyobj;
+
+#define GAEADENC_PYCHECK(o) PyObject_TypeCheck((o), gaeadenc_pytype)
+#define GAEADENC_AAD(o) (((gaeadenc_pyobj *)(o))->aad)
+#define GAEADENC_E(o) (((gaeadenc_pyobj *)(o))->e)
+#define GAEADENC_F(o) (((gaeadenc_pyobj *)(o))->f)
+#define GAEADENC_HSZ(o) (((gaeadenc_pyobj *)(o))->hsz)
+#define GAEADENC_MSZ(o) (((gaeadenc_pyobj *)(o))->msz)
+#define GAEADENC_TSZ(o) (((gaeadenc_pyobj *)(o))->tsz)
+#define GAEADENC_MLEN(o) (((gaeadenc_pyobj *)(o))->mlen)
+
+typedef struct gcaeaddec_pyobj {
+ PyHeapTypeObject ty;
+ gcaead_pyobj *key;
+} gcaeaddec_pyobj;
+
+#define GCAEADDEC_KEY(o) (((gcaeaddec_pyobj *)(o))->key)
+static PyObject *gaeaddec_pywrap(PyObject *, gaead_dec *, unsigned,
+ size_t, size_t, size_t);
+
+typedef struct gaeaddec_pyobj {
+ PyObject_HEAD
+ gaead_dec *d;
+ gaeadaad_pyobj *aad;
+ unsigned f;
+ size_t hsz, csz, tsz;
+ size_t clen;
+} gaeaddec_pyobj;
+
+#define GAEADDEC_PYCHECK(o) PyObject_TypeCheck((o), gaeaddec_pytype)
+#define GAEADDEC_AAD(o) (((gaeaddec_pyobj *)(o))->aad)
+#define GAEADDEC_D(o) (((gaeaddec_pyobj *)(o))->d)
+#define GAEADDEC_F(o) (((gaeaddec_pyobj *)(o))->f)
+#define GAEADDEC_HSZ(o) (((gaeaddec_pyobj *)(o))->hsz)
+#define GAEADDEC_CSZ(o) (((gaeaddec_pyobj *)(o))->csz)
+#define GAEADDEC_TSZ(o) (((gaeaddec_pyobj *)(o))->tsz)
+#define GAEADDEC_CLEN(o) (((gaeaddec_pyobj *)(o))->clen)
+
+static PyObject *gaeadkey_pywrap(PyObject *cobj, gaead_key *k)