M3U8 FFMPEG Download Issue

[adi10289]

Hi
I am getting issue in downloading video through ffmpeg due to secure https key file. If anyone knows how to download from m3u8 using https key file pls let me know.

ffmpeg -i "http://hls.spuul.com/va/movies/11911008-d2d897ca/0010/s_renditions.m3u8" -c copy -absf aac_adtstoasc test_2_2.mkv

ffmpeg version N-62121-g634636e Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr  3 2014 23:30:16 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 73.100 / 52. 73.100
  libavcodec     55. 56.107 / 55. 56.107
  libavformat    55. 36.101 / 55. 36.101
  libavdevice    55. 11.100 / 55. 11.100
  libavfilter     4.  3.100 /  4.  3.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
[https @ 02899ae0] HTTP error 404 Not Found
Unable to open key file https://secure.spuul.com/keys/va/movies/11911008-d2d897ca/0010/renditions-encryption-00001.key
Format mp3 detected only with low score of 1, misdetection possible!
[mp3 @ 029b7180] Header missing
    Last message repeated 1034 times
[mp3 @ 029bd860] decoding for stream 0 failed
[mp3 @ 029bd860] Could not find codec parameters for stream 0 (Audio: mp3, 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
http://hls.spuul.com/va/movies/11911008-d2d897ca/0010/s_renditions.m3u8: Operation not permitted

M3U8 File

#EXTM3U
#EXT-X-VERSION:2
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-TARGETDURATION:10
#EXT-X-KEY:METHOD=AES-128,URI="https://secure.spuul.com/keys/va/movies/11911008-d2d897ca/0010/renditions-encryption-00001.key",IV=0xad5dbef1ba46abb21f305b661f05353c
#EXTINF:10,
renditions-00001.ts
#EXTINF:10,
renditions-00002.ts
#EXTINF:10,
renditions-00003.ts