From 035693240d06c7b2000b4e3d065943f36a245838 Mon Sep 17 00:00:00 2001
From: Baojun Wang <wangbj@gmail.com>
Date: Thu, 18 Jan 2018 18:04:21 -0800
Subject: [PATCH] fix wrong condition check in cryptonite_aes_ccm_aad

---
 cbits/cryptonite_aes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cbits/cryptonite_aes.c b/cbits/cryptonite_aes.c
index 3af46d6..58963d9 100644
--- a/cbits/cryptonite_aes.c
+++ b/cbits/cryptonite_aes.c
@@ -529,7 +529,7 @@ void cryptonite_aes_ccm_aad(aes_ccm *ccm, aes_key *key, uint8_t *input, uint32_t
 {
 	block128 tmp;
 
-	if (ccm->length_aad == 0) return;
+	if (ccm->length_aad != 0) return;
 	
 	ccm->length_aad = length;
 	int len_len;