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_0_1q~108
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1a9a506cfbb3a57215dae72aadab8943b977bcf7;p=oweals%2Fopenssl.git

Clear BN-mont values when free'ing it.

From a CloudFlare patch.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
(cherry picked from commit 1a586b3942de1c0bd64203d09385d5e74f499d8d)
---

diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index aadd5db1d8..aafd1b8526 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -361,9 +361,9 @@ 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);
 }