Wireshark-bugs: [Wireshark-bugs] [Bug 11352] New: TLS: DHE-PSK is not correctly analyzed
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 10 Jul 2015 10:02:53 +0000
Bug ID 11352
Summary TLS: DHE-PSK is not correctly analyzed
Product Wireshark
Version 1.12.5
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter anon19911991@Safe-mail.net 

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
I capture traffic of a TLS 1.2 connection. In general, this work fine, but I
have problems if the chosen cipher suite uses the DHE-PSK key exchange (as
defined in RFC 4279). Concretely, the ServerKeyExchange and ClientKeyExchange
messages are shown as malformed even though they are correct. It seems to me
that Wireshark is confusing this with another DH-based cipher suite, because it
does not expect any PSK identity or PSK identity hint.

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