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How can I decrypt/decode TLS packet in wireshark

I need to analyze TLS Packets and want to see actual packets going throgh TLS.What exactly is the decoding procedure and what exactly are requirements
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saini_er
Asked:
saini_er
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1 Solution
 
ravenplCommented:
You will not. That's the purpose of using SSL/TLS.

If You had server's private ssl key (and possibly client's, if in use), You could descamble initial TLS handshake packets, which contains key and cipher id to be used during regular transmission. THen having those two You could descramble next traffic. Note, that the key is renegotiated periodically.

Yet I'm not aware of any tool doing this automatically for You.
Anybody knows such tool?
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TolomirAdministratorCommented:
Take a look at http://www.fiddler2.com/fiddler2/ it helped me already a lot:

Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data. Fiddler includes a powerful event-based scripting subsystem, and can be extended using any .NET language.

Fiddler is freeware and can debug traffic from virtually any application, including Internet Explorer, Mozilla Firefox, Opera, and thousands more.

Tolomir
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TolomirAdministratorCommented:
If you want more details about the TLS technique please check:

http://en.wikipedia.org/wiki/Secure_Sockets_Layer
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saini_erAuthor Commented:
my basic purpose is to correlate TLS traffic with Corresponding RTP traffic on Lan side for VOIP MGCP call..Is there any systematic procedure to analyze this using timestamps/payload on wireshark
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TolomirAdministratorCommented:
As ravenpl mentioned you are not supposed to see TLS packets decrypted as man in the middle.

Tolomir
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saini_erAuthor Commented:
I do have some idea about that but still I have seen lot on web about the possibility of tls. Where do I need to copy rsa certificate
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saini_erAuthor Commented:
anybody knew how to compare payload of actual packet with tls encypted packet
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