Wireshark-bugs: [Wireshark-bugs] [Bug 3989] New: Add support for Auxiliary Security Header in IE
Date: Tue, 8 Sep 2009 02:54:01 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3989

           Summary: Add support for Auxiliary Security Header in IEEE
                    802.15.4 dissector
           Product: Wireshark
           Version: 1.2.1
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Low
         Component: Wireshark
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Created an attachment (id=3621)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3621)
Patch to add support for dissecting the Auxiliary Security Header

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
Implementation of the IEEE 802.15.4 dissector ignores the Auxiliary Security
Header of the MHR (see IEEE 802.15.4-2006 specs p.138). I'm guessing this is
related to the fact that the current implementation does not support the
security layer. While I can agree with the fact that the protected fields are
kept encrypted, the absence of the 'clear' Auxiliary Security Header causes
dissecting errors because it is considered as the beginning of the (protected)
payload.

The attached patch, add two things :
 1) Support for dissecting the Auxiliary Security Header
 2) Add a preference option to force the dissection of the FCS field as being
in the TI CC24xx format

PS: this is my first patch to Wireshark, any kind of feedback is welcome


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