From 1fbd6f7d76446bd5ebb36943fc7b7f76d2c20a14 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Wed, 31 Jan 2007 03:42:47 +0000
Subject: ...but not when it's being used as a digest algorithm...

---
 src/crypto/crypto_null.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/crypto')

diff --git a/src/crypto/crypto_null.c b/src/crypto/crypto_null.c
index dda59ea5..9a2ea996 100644
--- a/src/crypto/crypto_null.c
+++ b/src/crypto/crypto_null.c
@@ -37,12 +37,14 @@ static int null_setkey ( void *ctx __unused, void *key __unused,
 
 static void null_encode ( void *ctx __unused, const void *src,
 			  void *dst, size_t len ) {
-	memcpy ( dst, src, len );
+	if ( dst )
+		memcpy ( dst, src, len );
 }
 
 static void null_decode ( void *ctx __unused, const void *src,
 			  void *dst, size_t len ) {
-	memcpy ( dst, src, len );
+	if ( dst )
+		memcpy ( dst, src, len );
 }
 
 static void null_final ( void *ctx __unused, void *out __unused ) {
-- 
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