Hi, This is the first time I send a mail to wireshark-dev. If there are something that I'm doing wrong, just let me know, thanks in advance.
Recently I noticed that I can not decrypt WLAN frames that are encrypted with WPA-PSK (or PSK2), 64-digit hex format. The thing is, I could decrypt the same file using an old Wireshark (1.6.11). Is there any extra configuration that I need to run on the latest Wireshark to decrypt WLAN file with a hex key? Here is a sample file I captured using a Ralink dongle. I used an old 802.11g AP with WPA-PSK (not PSK2) security. https://dl.dropbox.com/u/21695553/wpa_decrypt_sample.pcap SSID: APTEST WPA-PSK: 0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF FYI, Here are what I tried. I'm using a x64 machine running Windows 7 Pro SP1 (64bit). Using latest Wireshark: 1. Download the latest Win64 binary "Wireshark-win64-1.9.0-SVN-45658.exe" from http://www.wireshark.org/download/automated/win64/ and install it under C:\ws64test. Restart Windows. 2. Launch Wireshark, Go "Edit" -> "Preferences..." then select "IEEE802.11" pane under "Protocols". Check "Enable decryption:", click "Edit...", click "New" and choose "wpa-psk" for the Key type. Also, Enter "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" for the Key and click "OK" -> "OK" -> "OK". 3. Restart Wireshark. 4. Open the sample pcap file. Packet number #301, for example, is not decrypted. Using old Wireshark: 1. Download "WiresharkPortable-1.6.11.paf.exe" and install it under C:\ws32old. 2. Launch Wireshark, Go "Edit" -> "Preferences..." then select "IEEE802.11" pane under "Protocols". Check "Enable decryption:" and then type "wpa-psk:0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" in the Key #1 box. Click "OK". 3. Restart Wireshark. 4. Open the sample pcap file. Packet number #301 is decrypted, and I can see it is a TCP SYN packet. Thanks.
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