Document aes init code writing on purpose beyond round_key array into state array.
authorReimar Döffinger <Reimar.Doeffinger@gmx.de>
Wed, 18 Jul 2007 12:22:07 +0000 (12:22 +0000)
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>
Wed, 18 Jul 2007 12:22:07 +0000 (12:22 +0000)
Originally committed as revision 9734 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/aes.c

index dc37162deec1ca55d043df637937c8dd33f1effa..c538521dd86d22f067ffec8408fc4039ec9a9d6c 100644 (file)
@@ -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;