key length 89 not supported; (http://www.youtube.com/watch?v=EVBsypHzF3U)

[andycaruso]

youtube-dl --verbose http://www.youtube.com/watch?v=EVBsypHzF3U
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://www.youtube.com/watch?v=EVBsypHzF3U']
[debug] youtube-dl version 2013.08.02
[debug] Python version 2.7.2 - Darwin-12.4.0-x86_64-i386-64bit
[debug] Proxy map: {}
[youtube] Setting language
[youtube] EVBsypHzF3U: Downloading video webpage
[youtube] EVBsypHzF3U: Downloading video info webpage
[youtube] EVBsypHzF3U: Extracting video information
[youtube] EVBsypHzF3U: 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 "/Library/Python/2.7/site-packages/youtube_dl-2013.08.02-py2.7.egg/youtube_dl/YoutubeDL.py", line 312, in extract_info
ie_result = ie.extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl-2013.08.02-py2.7.egg/youtube_dl/extractor/common.py", line 96, in extract
return self._real_extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl-2013.08.02-py2.7.egg/youtube_dl/extractor/youtube.py", line 735, in _real_extract
signature = self._decrypt_signature(encrypted_sig)
File "/Library/Python/2.7/site-packages/youtube_dl-2013.08.02-py2.7.egg/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.

[phihag]

This has been fixed in v2013.08.09. Type

sudo youtube-dl -U

to update.