[Vijay Sitaram <vjatfugen@xxxxxxxxx>]

Hi Ken,

 

    Let us know if your excercise is successful since I think there are other users who would be interested in the same functionality.

 

    I doubt that you can use the text2pcap utility, since it does not appear to support decryption.  The key point here is that 'wireshark' or 'tshark' can decrypt SSL traffic (using the server private key).  So, I have looked into the option of adding '-T pdml' as a command argument to 'tshark'.

 

    I do see the result, but still have to execute additional steps (such as ASCII /HEX decoding) to get the final result.  Perhaps we can use text2pcap program for this purpose, I have not looked deep into this.  However, I think you are looking for a one-step process for achieving the result which I don't think exists as of yet (a nice-to-have feature :).

 

    Kind regards,

 

Vijay

Kenneth Hunt <kenneth.hunt.b@xxxxxxxxx> wrote:

OK... I worked on this yesterday, and I think the answer involves text2pcap which can read in hex dumps of packets... my theory is that decoding the packets and saving them in the interim format means I can pull them back in. decoded... anyone else think this is possible?

Can anyone confirm this is the right approach? I think I'm missing the correct switches on the commandline when writing the packets to a file:

tshark -x -r rsasnakeoil2.cap -o "ssl.keys_list: 127.0.0.1,443,http,./rsasnakeoil2.key" -o "ssl.debug_file: ./ssldebug.txt" -w out.cap

all I get is the encoded packet stream in the .cap file.

Kenneth Hunt
Bayer Corporate and Business Services LLC
North America Information Technology
IS Analyst
http://www.linkedin.com/in/kennethhunt

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"deepali goel" <deepaligoel2003@xxxxxxxxx>
Sent by: wireshark-users-bounces@xxxxxxxxxxxxx

11/20/2006 11:45 PM

Please respond to
Community support list for Wireshark <wireshark-users@xxxxxxxxxxxxx>

To	"Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
cc
Subject	Re: [Wireshark-users] saving decoded ssl packets back to libpcap        format

i know the contents of my packet but cant see the packet flowing in the traffic captured??

On 11/21/06, Kenneth Hunt <kenneth.hunt.b@xxxxxxxxx> wrote:

I can open the sample file snakeoil2.tgz  in the wiki: http://wiki.wireshark.org/SSL

Is it possible to save the decoded packets back to libpcap format so I can reopen it with out the SSL settings?
I am using 127.0.0.1,443,http,c:\rsasnakeoil2.key with the private key in the root of my c drive.

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Kenneth Hunt
Bayer Corporate and Business Services LLC
North America Information Technology
IS Analyst

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