[downloader/hls] fill IV with zeros for IVs shorter than 16-octet

8 years ago · 07ea9c9b05
parent 073ac1225f
commit 07ea9c9b05
1 changed files with 1 additions and 1 deletions
--- a/youtube_dl/downloader/hls.py
+++ b/youtube_dl/downloader/hls.py
@ -120,7 +120,7 @@ class HlsFD(FragmentFD):
                    decrypt_info = parse_m3u8_attributes(line[11:])
                    if decrypt_info['METHOD'] == 'AES-128':
                        if 'IV' in decrypt_info:
-                            decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:])
+                            decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:].zfill(32))
                        if not re.match(r'^https?://', decrypt_info['URI']):
                            decrypt_info['URI'] = compat_urlparse.urljoin(
                                man_url, decrypt_info['URI'])