Split out BN_div and BN_mod into ct and nonct versions for Internal use.

ok jsing@

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bn/bn_exp.c b/src/lib/libcrypto/bn/bn_exp.c
index ed4bc666bf..f650e94b09 100644
--- a/src/lib/libcrypto/bn/bn_exp.c
+++ b/src/lib/libcrypto/bn/bn_exp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_exp.c,v 1.28 2017/01/21 09:38:58 beck Exp $ */
+/* $OpenBSD: bn_exp.c,v 1.29 2017/01/21 10:38:29 beck Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -735,7 +735,7 @@ BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
 
         /* prepare a^1 in Montgomery domain */
         if (a->neg || BN_ucmp(a, m) >= 0) {
-                if (!BN_mod(&am, a,m, ctx))
+                if (!BN_mod_ct(&am, a,m, ctx))
                         goto err;
                 if (!BN_to_montgomery(&am, &am, mont, ctx))
                         goto err;
@@ -924,7 +924,7 @@ BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p, const BIGNUM *m,
 #define BN_MOD_MUL_WORD(r, w, m) \
                 (BN_mul_word(r, (w)) && \
                 (/* BN_ucmp(r, (m)) < 0 ? 1 :*/  \
-                        (BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))
+                        (BN_mod_ct(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))
                 /* BN_MOD_MUL_WORD is only used with 'w' large,
                  * so the BN_ucmp test is probably more overhead
                  * than always using BN_mod (which uses BN_copy if