From de42d70f7c520f1d1c3f8e5b22b7612a2ab3d8ac Mon Sep 17 00:00:00 2001
From: Laurent Girod <laurent.girod@epfl.ch>
Date: Tue, 7 Apr 2020 15:16:05 +0200
Subject: [PATCH] Correct bug in `bn` submodule.

---
 petrelic/bn.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/petrelic/bn.py b/petrelic/bn.py
index 339c1f8..97a1f48 100644
--- a/petrelic/bn.py
+++ b/petrelic/bn.py
@@ -610,7 +610,7 @@ def __pow__(self, n, modulo=None):
 
         if _C.bn_sign(n.bn) == _C.CONST_RLC_NEG:
             base = base.mod_inverse(modulo)
-            _C.bn_neg(n.bn)
+            _C.bn_neg(n.bn, n.bn)
 
         if _C.bn_is_zero(n.bn) == 1:
             return Bn(1)