From: Loganaden Velvindron <loganaden@gmail.com>
Date: Fri, 31 Jul 2015 17:20:16 +0000 (-0400)
Subject: Clear BN-mont values when free'ing it.
X-Git-Tag: OpenSSL_1_1_0-pre1~868
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=1a586b3942de1c0bd64203d09385d5e74f499d8d

Clear BN-mont values when free'ing it.

From a CloudFlare patch.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
---

diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index e3955fe475..1580e978ce 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -339,9 +339,9 @@ void BN_MONT_CTX_free(BN_MONT_CTX *mont)
     if (mont == NULL)
         return;
 
-    BN_free(&(mont->RR));
-    BN_free(&(mont->N));
-    BN_free(&(mont->Ni));
+    BN_clear_free(&(mont->RR));
+    BN_clear_free(&(mont->N));
+    BN_clear_free(&(mont->Ni));
     if (mont->flags & BN_FLG_MALLOCED)
         OPENSSL_free(mont);
 }