Fix Dot11WEP icv in Python2

The method crc32 may return nagative value in python2, made it unsigned.
2017-11-08 16:10:32 +08:00 · 2017-11-08 16:10:32 +08:00 · b00845f42b
parent fedbf520a0
commit b00845f42b
1 changed files with 1 additions and 1 deletions
--- a/scapy/layers/dot11.py
+++ b/scapy/layers/dot11.py
@ -313,7 +313,7 @@ class Dot11WEP(Packet):
            key = conf.wepkey
        if key:
            if self.icv is None:
-                pay += struct.pack("<I", crc32(pay))
+                pay += struct.pack("<I", crc32(pay) & 0xffffffff)
                icv = b""
            else:
                icv = p[4:8]