From a3328c58174827dbec966748a074db439d8e151a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Tue, 23 Sep 2014 13:14:02 +0200
Subject: ecc_mod_inv interface and allocation changes.

---
 ecc-eh-to-a.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'ecc-eh-to-a.c')

diff --git a/ecc-eh-to-a.c b/ecc-eh-to-a.c
index a0182308..4cfcad3b 100644
--- a/ecc-eh-to-a.c
+++ b/ecc-eh-to-a.c
@@ -63,9 +63,8 @@ ecc_eh_to_a (const struct ecc_curve *ecc,
 
   mp_limb_t cy;
 
-  mpn_copyi (tp, zp, ecc->p.size);
-  /* Needs 3*size scratch */
-  ecc->p.invert (&ecc->p, izp, tp, tp + ecc->p.size);
+  /* Needs 2*size scratch */
+  ecc->p.invert (&ecc->p, izp, zp, tp + ecc->p.size);
 
   ecc_modp_mul (ecc, tp, xp, izp);
   cy = mpn_sub_n (r, tp, ecc->p.m, ecc->p.size);
-- 
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