From 2e756879f156139c68c3557bc65a7ab1ac31137d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?=
 <jaime.marquinez.ferrandiz@gmail.com>
Date: Fri, 30 Aug 2013 20:49:51 +0200
Subject: [PATCH] [youtube] update algo for length 86

---
 devscripts/youtube_genalgo.py   | 4 ++--
 youtube_dl/extractor/youtube.py | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/devscripts/youtube_genalgo.py b/devscripts/youtube_genalgo.py
index 13df535c7..97a0d7290 100644
--- a/devscripts/youtube_genalgo.py
+++ b/devscripts/youtube_genalgo.py
@@ -20,9 +20,9 @@
     # 87
     ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>.<",
      "uioplkjhgfdsazxcvbnm1t34567890QWE2TYUIOPLKJHGFDSAZXCVeNM!@#$^&*()_-+={[]}|:;?/>.<"),
-    # 86 - vflg0g8PQ 2013/08/29
+    # 86 - vflHOr_nV 2013/08/30
     ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
-     ">/?;}|[{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWq0987654321mnbvcxzasdfghjklpoiuytr"),
+     "?;}|[{=+._)(*&^%$#@!MNBqCXZASDFGHJKLPOIUYTREWQ<987654321mnbvcxzasdfghjklpoiuytrew"),
     # 85
     ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?/>.<",
      ".>/?;}[{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWQ0q876543r1mnbvcx9asdfghjklpoiuyt2"),
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 00e2b320a..810ce6f5d 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -423,7 +423,7 @@ def _decrypt_signature(self, s):
         elif len(s) == 87:
             return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
         elif len(s) == 86:
-            return s[83:36:-1] + s[0] + s[35:2:-1]
+            return s[81:73:-1] + s[84] + s[72:58:-1] + s[0] + s[57:35:-1] + s[85] + s[34:0:-1]
         elif len(s) == 85:
             return s[83:34:-1] + s[0] + s[33:27:-1] + s[3] + s[26:19:-1] + s[34] + s[18:3:-1] + s[27]
         elif len(s) == 84: