From b7fe49c8b42af70e67e71e67d820c9f2a5f7a8c2 Mon Sep 17 00:00:00 2001
From: Tesfa Mael <tesfa@wolfssl.com>
Date: Tue, 8 Oct 2019 15:42:39 -0700
Subject: [PATCH] NULL terminate a character sequence

---
 wolfcrypt/src/coding.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/coding.c b/wolfcrypt/src/coding.c
index 94a85a2e1..cee699575 100644
--- a/wolfcrypt/src/coding.c
+++ b/wolfcrypt/src/coding.c
@@ -130,6 +130,10 @@ int Base64_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
             }
         }
     }
+
+    if (out && *outLen > i)
+        out[i]= '\0';
+
     *outLen = i;
 
     return 0;
@@ -321,9 +325,14 @@ static int DoBase64_Encode(const byte* in, word32 inLen, byte* out,
     if (i != outSz && escaped != 1 && ret == 0)
         return ASN_INPUT_E;
 
+    if (out && *outLen > i)
+        out[i]= '\0';
+
     *outLen = i;
-    if(ret == 0)
+
+    if (ret == 0)
         return getSzOnly ? LENGTH_ONLY_E : 0;
+
     return ret;
 }