From: Rich Salz <rsalz@openssl.org>
Date: Thu, 5 Feb 2015 20:07:40 +0000 (-0500)
Subject: Use memset in bn_mont
X-Git-Tag: OpenSSL_1_1_0-pre1~1690
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=fe6d2a339b1ef3650de1b12e26189e532cb7d8bc

Use memset in bn_mont

Use memset() not inline code.  Compilers are smarter now.

Reviewed-by: Richard Levitte <levitte@openssl.org>
---

diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index 175145e7b7..45deed7558 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -196,12 +196,7 @@ static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
     rp = r->d;
 
     /* clear the top words of T */
-# if 1
-    for (i = r->top; i < max; i++) /* memset? XXX */
-        rp[i] = 0;
-# else
     memset(&(rp[r->top]), 0, (max - r->top) * sizeof(BN_ULONG));
-# endif
 
     r->top = max;
     n0 = mont->n0[0];