+static PyTypeObject *gcaead_pytype, *gaeadkey_pytype;
+static PyTypeObject *gcaeadaad_pytype, *gaeadaad_pytype;
+static PyTypeObject *gcaeadenc_pytype, *gaeadenc_pytype;
+static PyTypeObject *gcaeaddec_pytype, *gaeaddec_pytype;
+
+typedef struct gcaead_pyobj {
+ PyHeapTypeObject ty;
+ gcaead *aec;
+ struct gcaeadaad_pyobj *aad;
+ struct gcaeadenc_pyobj *enc;
+ struct gcaeaddec_pyobj *dec;
+} gcaead_pyobj;
+
+#define GCAEAD_PYCHECK(o) PyObject_TypeCheck((o), gcaead_pytype)
+#define GCAEAD_AEC(o) (((gcaead_pyobj *)(o))->aec)
+#define GCAEAD_AAD(o) (((gcaead_pyobj *)(o))->aad)
+#define GCAEAD_ENC(o) (((gcaead_pyobj *)(o))->enc)
+#define GCAEAD_DEC(o) (((gcaead_pyobj *)(o))->dec)
+static PyObject *gcaead_pywrap(gcaead *);
+
+typedef struct gaeadkey_pyobj {
+ PyObject_HEAD
+ gaead_key *k;
+} gaeadkey_pyobj;
+
+#define GAEADKEY_PYCHECK(o) PyObject_TypeCheck((o), gaeadkey_pytype)
+#define GAEADKEY_K(o) (((gaeadkey_pyobj *)(o))->k)
+
+typedef struct gcaeadaad_pyobj {
+ PyHeapTypeObject ty;
+ gcaead_pyobj *key;
+} gcaeadaad_pyobj;
+
+#define GCAEADAAD_KEY(o) (((gcaeadaad_pyobj *)(o))->key)
+static PyObject *gaeadaad_pywrap(PyObject *, gaead_aad *, unsigned, size_t);
+
+typedef struct gaeadaad_pyobj {
+ PyObject_HEAD
+ gaead_aad *a;
+ unsigned f;
+#define AEADF_DEAD 32768u
+ size_t hsz, hlen;
+} gaeadaad_pyobj;
+
+#define GAEADAAD_PYCHECK(o) PyObject_TypeCheck((o), gaeadaad_pytype)
+#define GAEADAAD_A(o) (((gaeadaad_pyobj *)(o))->a)
+#define GAEADAAD_F(o) (((gaeadaad_pyobj *)(o))->f)
+#define GAEADAAD_HSZ(o) (((gaeadaad_pyobj *)(o))->hsz)
+#define GAEADAAD_HLEN(o) (((gaeadaad_pyobj *)(o))->hlen)
+
+typedef struct gcaeadenc_pyobj {
+ PyHeapTypeObject ty;
+ gcaead_pyobj *key;
+} gcaeadenc_pyobj;
+
+#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;