From ef0d7a0d4fd4e45a58e164c365a2b31c4719bc3b Mon Sep 17 00:00:00 2001
From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Date: Wed, 18 Jul 2007 12:22:07 +0000
Subject: Document aes init code writing on purpose beyond round_key array into
 state array.

Originally committed as revision 9734 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavutil/aes.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libavutil')

diff --git a/libavutil/aes.c b/libavutil/aes.c
index dc37162dee..c538521dd8 100644
--- a/libavutil/aes.c
+++ b/libavutil/aes.c
@@ -24,6 +24,8 @@
 #include "aes.h"
 
 typedef struct AVAES{
+    // Note: round_key[16] is accessed in the init code, but this only
+    // overwrites state, which does not matter (see also r7471).
     uint8_t round_key[15][4][4];
     uint8_t state[2][4][4];
     int rounds;
-- 
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