X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb-python/blobdiff_plain/7f38dc76ee0809207e67be7b2a2ddc600aba54d5..d0cc556a1bbecb0bc2973c79e386150fb733dd8b:/algorithms.c

diff --git a/algorithms.c b/algorithms.c
index 37d52cd..064fb03 100644
--- a/algorithms.c
+++ b/algorithms.c
@@ -987,6 +987,7 @@ static PyObject *gaeameth_copy(PyObject *me, PyObject *arg)
     VALERR("can't duplicate nonce-dependent aad");
   rc = gaeadaad_pywrap((PyObject *)me->ob_type,
 		       GAEAD_DUP(GAEADAAD_A(me)), 0, 0);
+  GAEADAAD_HLEN(rc) = GAEADAAD_HLEN(me);
 end:
   return (rc);
 }
@@ -1130,7 +1131,8 @@ static PyObject *gaeemeth_aad(PyObject *me, PyObject *arg)
     if (!ge->aad)
       ge->aad = (gaeadaad_pyobj *)
 	gaeadaad_pywrap((PyObject *)GCAEADENC_KEY(ge->ob_type)->aad,
-			GAEAD_AAD(ge->e), ge->f&AEADF_PCHSZ, ge->hsz);
+			GAEAD_AAD(ge->e), ge->f&(AEADF_PCHSZ | AEADF_NOAAD),
+			ge->hsz);
     Py_INCREF(ge->aad);
     rc = (PyObject *)ge->aad;
   }
@@ -1301,7 +1303,8 @@ static PyObject *gaedmeth_aad(PyObject *me, PyObject *arg)
     if (!gd->aad)
       gd->aad = (gaeadaad_pyobj *)
 	gaeadaad_pywrap((PyObject *)GCAEADENC_KEY(gd->ob_type)->aad,
-			GAEAD_AAD(gd->d), gd->f&AEADF_PCHSZ, gd->hsz);
+			GAEAD_AAD(gd->d), gd->f&(AEADF_PCHSZ | AEADF_NOAAD),
+			gd->hsz);
     Py_INCREF(gd->aad);
     return ((PyObject *)gd->aad);
   }