Can I see the type of encryption used through a pcapdump file?

Part of my bachelor project is about encryption. The first "not theory" stage is to find statistics on how many still use WEP as an encryption compared to WPA etc. This will be done through "wardriving".

I am still waiting for the correct network card which is being shipped to me. Meanwhile, I have done a testrun with Kismet through BackTrack 5 R1 with my internal network card (And this picks up many networks). I get 5 files; alert, gpsxml, nettxt, netxml, and pcapdump. On this last testrun, the pcapdump file is 195.7 KiB.

While in Kismet I can see different networks. The colors in Kismet give an identification of WEP and WPA. I open this pcapdump file in Wireshark. Here I see; time, source, destination, protocol, length, and info.

QUESTION: Why am I not seeing WEP or WPA? Is this the wrong file to open? Are there configurations I need in my Kismet.conf file? Or am I completely on the wrong track here.

QUESTION: I am also getting some of the same networks over again in this file. I can see that, because I see my own and neighbors networks more than once.

Can somebody guide me a little in the right direction.
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nociSoftware EngineerCommented:
You have to look into the beacon frames that are transmitted by the Wifi Endpoints.
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btanExec ConsultantCommented:
This is useful link talking abt the log @ http://openmaniak.com/kismet_log.php

You will see "IEEE 802.11" but not the "Encryption" used directly. It is normally stated in "wlan.fc.protected" in the 802.11 Header Fields. You can use Wireshark display filter @ http://www.wireshark.org/docs/dfref/w/wlan.html

Check out "Identifying Wireless Encryption Mechanisms" below
@ http://www.willhackforsushi.com/books/377_eth_2e_06.pdf

For WEP traf¿c, we can identify by looking for any frames that include the mandatory WEP Initialization Vector (IV): wlan.wep.iv

For WPA, as mentioned by noci, check out the beacon frames (wlan.fc.type_subtype eq 8). . Look for an information element labeled “Vendor Speci¿c: WPA” or “RSN Information.”
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TolomirAdministratorCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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