Unable to decrypt signature

[schachmat]

$ youtube-dl -f 46 http://www.youtube.com/watch?v=EdGLJjo2m4k --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-f', '46', 'http://www.youtube.com/watch?v=EdGLJjo2m4k', '--verbose']
[debug] youtube-dl version 2013.08.08.1
[debug] Python version 2.7.3 - Linux-3.2.0-4-amd64-x86_64-with-debian-7.1
[debug] Proxy map: {}
[youtube] Setting language
[youtube] EdGLJjo2m4k: Downloading video webpage
[youtube] EdGLJjo2m4k: Downloading video info webpage
[youtube] EdGLJjo2m4k: Extracting video information
[youtube] EdGLJjo2m4k: Encrypted signatures detected.
[youtube] encrypted signature length 89 (44.44), itag 46, html5 player
vfl_wGgYV
ERROR: Unable to decrypt signature, key length 89 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/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 312, in extract_info
ie_result = ie.extract(url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 96, in extract
return self._real_extract(url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 734, in _real_extract
signature = self._decrypt_signature(encrypted_sig)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 358, 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 89 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.

[jhb50]

Your version youtube-dl version 2013.08.08.1 is out of date. Use 08.09 version.

[phihag]

Yup, this should be fixed in youtube-dl v2013.08.09. Type sudo youtube-dl -U to update.