Wireshark-bugs: [Wireshark-bugs] [Bug 1674] New: Authentication: Failed calcuated & Decrypted da
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 6 Jul 2007 17:34:27 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1674

           Summary: Authentication: Failed calcuated & Decrypted data not
                    formated as expected, wrong key?
           Product: Wireshark
           Version: 0.99.7
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Blocker
          Priority: High
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: nagendra0123@xxxxxxxxx
                CC: nagendra0123@xxxxxxxxx


Build Information:
Version 0.99.7-SVN-22242 (SVN Rev 22242)

Copyright 1998-2007 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled with GTK+ 2.10.12, with GLib 2.12.12, with WinPcap (version unknown),
with libz 1.2.3, with libpcre 6.4, with Net-SNMP 5.4, with ADNS, with Lua 5.1,
with GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio
PortAudio V19-devel, with AirPcap.

Running on Windows XP Service Pack 2, build 2600, without WinPcap, without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.


--
Hi Gerald, Luis Ontanon & All

Now I am feeling bit irritated with wireshark tool, as I am not getting correct
info from anyone & tool is not giving me decoded SNMP PDU.
I am doing following things :-

I am using SNMPV3 applications.

While creating sessions I am having Hex auth & priv keys, as I am only the
developer for my modules I know auth & priv keys very well. Using same my
applications are interacting with each other & seeing proper PDU exchanges
between my modules.
But when I try to decode it using wireshark though I am providing correct auth
keys & priv keys, packets are not getting decoded instead I am seeing errors.

Authentication: Failed calcuated = 1b 65 6b 00 30 00 00 00 08 00 00 00

Decrypted data not formated as expected, wrong key?

my keys are like :- e4d7bb64f4d15db610a193eb9101d383 
after conversion it becomes :-
\xe4\xd7\xbb\x64\xf4\xd1\x5d\xb6\x10\xa1\x93\xeb\x91\x01\xd3\x83

so Please help me as soon as possible, I am totally blocked.

THANKS IN ADVANCE 


Nagendra


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