openssl decrypt hls

[vincentma]

curl -b @cookie.txt --cookie-jar cookie.txt http://nlds30.cdnak.ap.neulion.com/nlds_vod/elevensportstw/2017/06/27/etw000001434/etw000001434_1_800_ced.mp4.m3u8

view key file hex string

hexdump -v -e '1 1 "%02x"' ${key_file}

use key string to decrypt a file

openssl aes-128-cbc -K ${key_string} -iv 00000000000000000000000000000000 -d -in ${in_file} -out ${out_file}