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-rw-r--r--tdm/backend/genauth.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tdm/backend/genauth.c b/tdm/backend/genauth.c
index 6da95cce0..1bde2fc85 100644
--- a/tdm/backend/genauth.c
+++ b/tdm/backend/genauth.c
@@ -432,7 +432,10 @@ AddPreGetEntropy( void )
int
GenerateAuthData( char *auth, int len )
{
-#ifdef HAVE_ARC4RANDOM
+#ifdef HAVE_ARC4RANDOM_BUF
+ arc4random_buf((void*)auth, (size_t)len);
+ return 1;
+#elif defined(HAVE_ARC4RANDOM)
int i;
unsigned *rnd = (unsigned *)auth;
if (sizeof(unsigned) == 4)