From cf445ea944734e3ace1c496c43971f1dfadb9e02 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Wed, 1 Aug 2012 19:42:20 +0000
Subject: Move monty_invert to numthry.h and use it in CurveGFp as well

---
 src/math/ec_gfp/curve_gfp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/math/ec_gfp')

diff --git a/src/math/ec_gfp/curve_gfp.h b/src/math/ec_gfp/curve_gfp.h
index 9d10c2028..d6c2f2a8c 100644
--- a/src/math/ec_gfp/curve_gfp.h
+++ b/src/math/ec_gfp/curve_gfp.h
@@ -37,7 +37,7 @@ class BOTAN_DLL CurveGFp
          {
          const BigInt r = BigInt::power_of_2(p_words * BOTAN_MP_WORD_BITS);
 
-         p_dash = (((r * inverse_mod(r, p)) - 1) / p).word_at(0);
+         p_dash = monty_inverse(p.word_at(0));
 
          r2  = (r * r) % p;
          a_r = (a * r) % p;
-- 
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