Unable to decrypt signature, key length 81 not supported

[SamuraiDroid]

Hi,

I am unable to download any Vevo videos.

---

~$ youtube-dl -v http://www.youtube.com/watch?v=CGkvXp0vdng
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://www.youtube.com/watch?v=CGkvXp0vdng']
[debug] youtube-dl version 2013.07.10
[debug] Python version 2.7.5+ - Linux-3.9-1-amd64-x86_64-with-debian-jessie-sid
[debug] Proxy map: {}
[youtube] Setting language
[youtube] CGkvXp0vdng: Downloading video webpage
[youtube] CGkvXp0vdng: Downloading video info webpage
[youtube] CGkvXp0vdng: Extracting video information
[youtube] CGkvXp0vdng: Encrypted signatures detected.
[youtube] encrypted signature length 81 (40.40), itag 44, html5 player vflLC8JvQ
ERROR: Unable to decrypt signature, key length 81 not supported; retrying might work; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 312, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 95, in extract
return self._real_extract(url)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 590, in _real_extract
signature = self._decrypt_signature(url_data['s'][0])
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 198, in _decrypt_signature
raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
ExtractorError: Unable to decrypt signature, key length 81 not supported; retrying might work; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output.

[awojnowski]

You're running an outdated version, run sudo youtube-dl -U to get the latest version.