From 2d3475ae6afc8fce33b6521aeb69489610b55f7e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 16 Jan 2007 17:58:11 +0000 Subject: avoid memcpy() Originally committed as revision 7549 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/aes.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'libavutil/aes.c') diff --git a/libavutil/aes.c b/libavutil/aes.c index f46b13cc6d..9921b54ee1 100644 --- a/libavutil/aes.c +++ b/libavutil/aes.c @@ -172,10 +172,9 @@ int av_aes_init(AVAES *a, uint8_t *key, int key_bits, int decrypt) { if(decrypt){ for(i=1; iround_key[i][0], 16); - subshift(tmp[0], 0, sbox); - memcpy(tmp[1], tmp[0], 16); + uint8_t tmp[3][16]; + memcpy(tmp[2], a->round_key[i][0], 16); + subshift(tmp[1], 0, sbox); mix(tmp, dec_multbl, 1, 3); memcpy(a->round_key[i][0], tmp[0], 16); } -- cgit v1.2.3