xenia-project/FFmpeg
1
0
Fork 0
mirror of https://github.com/xenia-project/FFmpeg.git synced 2024-12-18 00:58:18 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

asfcrypt: fix unaligned read in ff_asfcrypt_dec()

Browse Source 
Originally committed as revision 24886 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-08-23 15:38:57 +00:00
parent 573af7545e
commit e955bf3b42
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/asfcrypt.c
View File

@ -156,7 +156,7 @@ void ff_asfcrypt_dec(const uint8_t key[20], uint8_t *data, int len) {
av_rc4_crypt(&rc4, (uint8_t *)rc4buff, NULL, sizeof(rc4buff), NULL, 1);
multiswap_init((uint8_t *)rc4buff, ms_keys);
packetkey = qwords[num_qwords - 1];
packetkey = AV_RN64(&qwords[num_qwords - 1]);
packetkey ^= rc4buff[7];
av_des_init(&des, key + 12, 64, 1);
av_des_crypt(&des, (uint8_t *)&packetkey, (uint8_t *)&packetkey, 1, NULL, 1);