X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pyderasn.py;h=885f816b2097c93589d9cc2e44af0cc2c5ac5961;hb=eb67733960022e82168120c03b5c0e81272ddb2b;hp=207920e9bf42163b05f8e9d93cd67efb7b038679;hpb=08cf382e021094883686f9e3eb50ee57528ae768;p=pyderasn.git

diff --git a/pyderasn.py b/pyderasn.py
index 207920e..885f816 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -2014,7 +2014,7 @@ class BitString(Obj):
                 decode_path=decode_path,
                 offset=offset,
             )
-        if byte2int(v[-1:]) & ((1 << pad_size) - 1) != 0:
+        if byte2int(v[l - 1:l]) & ((1 << pad_size) - 1) != 0:
             raise DecodeError(
                 "invalid pad",
                 klass=self.__class__,