1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/sha/sha1_one.c b/src/lib/libcrypto/sha/sha1_one.c
index e6a24888ed..20e660c71d 100644
--- a/src/lib/libcrypto/sha/sha1_one.c
+++ b/src/lib/libcrypto/sha/sha1_one.c
@@ -59,6 +59,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <openssl/sha.h>
+#include <openssl/crypto.h>
 
 #ifndef OPENSSL_NO_SHA1
 unsigned char *SHA1(const unsigned char *d, unsigned long n, unsigned char *md)
@@ -70,7 +71,7 @@ unsigned char *SHA1(const unsigned char *d, unsigned long n, unsigned char *md)
         SHA1_Init(&c);
         SHA1_Update(&c,d,n);
         SHA1_Final(md,&c);
-        memset(&c,0,sizeof(c));
+        OPENSSL_cleanse(&c,sizeof(c));
         return(md);
         }
 #endif