diff --git a/oxlib/cache.py b/oxlib/cache.py
index b9b8b40..097525a 100644
--- a/oxlib/cache.py
+++ b/oxlib/cache.py
@@ -2,9 +2,9 @@
 # vi:si:et:sw=4:sts=4:ts=4
 # GPL 2008
 import gzip
-import StringIO
+import hashlib
 import os
-import sha
+import StringIO
 import time
 import urlparse
 import urllib2
@@ -80,9 +80,9 @@ def _getCacheBase():
 
 def _getUrlCacheFile(url, data=None, headers=DEFAULT_HEADERS):
     if data:
-        url_hash = sha.sha(url + '?' + data).hexdigest()
+        url_hash = hashlib.sha1(url + '?' + data).hexdigest()
     else:
-        url_hash = sha.sha(url).hexdigest()
+        url_hash = hashlib.sha1(url).hexdigest()
     domain = ".".join(urlparse.urlparse(url)[1].split('.')[-2:])
     return os.path.join(_getCacheBase(), domain, url_hash[:2], url_hash[2:4], url_hash[4:6], url_hash)
 
diff --git a/oxlib/file.py b/oxlib/file.py
index 940b2b7..0d34729 100644
--- a/oxlib/file.py
+++ b/oxlib/file.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
 # GPL 2008
-import sha
 import os
+import hashlib
 
 def sha1sum(filename):
-    sha1 = sha.new()
+    sha1 = hashlib.sha1()
     file=open(filename)
     buffer=file.read(4096)
     while buffer:
diff --git a/oxlib/torrent.py b/oxlib/torrent.py
index c877f07..daf7cb0 100644
--- a/oxlib/torrent.py
+++ b/oxlib/torrent.py
@@ -3,7 +3,7 @@
 # GPL 2007
 
 from threading import Event
-import sha
+import hashlib
 from os import stat
 
 from BitTornado.BT1.makemetafile import make_meta_file
@@ -20,7 +20,7 @@ def getInfoHash(torrentFile):
     metainfo_file = open(torrentFile, 'rb')
     metainfo = bdecode(metainfo_file.read())
     info = metainfo['info']
-    return sha.sha(bencode(info)).hexdigest().upper()
+    return hashlib.sha1(bencode(info)).hexdigest().upper()
 
 def getTorrentInfoFromFile(torrentFile):
     f = open(torrentFile, 'rb')
@@ -51,7 +51,7 @@ def getTorrentInfo(data):
         if key != 'info':
             tinfo[key] = metainfo[key]
     tinfo['size'] = file_length
-    tinfo['hash'] = sha.sha(bencode(info)).hexdigest()
+    tinfo['hash'] = hashlib.sha1(bencode(info)).hexdigest()
     tinfo['announce'] = metainfo['announce']
     return tinfo