Collaborate Disseminate
I read about chop chop attack and how it is used to decrypt packets on a WPA TKIP network, by chopping off byte by byte and bruteforcing the byte to trigger MIC failure. In case of MIC failure, would mean that CRC32 is correct and we get … Continue reading Chop Chop attack decrypting ARP results in multicast traffic takeover only
I have recently bought a wifi range extender to improve the signal coverage through the house. When I set it up, I noticed the iOS 14 recognizes it as unsafe since it uses TKIP and advises to set it up to use AES instead. I did my research… Continue reading How (un)safe is it to use TKIP?
I am writing my master’s thesis about WLANs, and there is something what I don’t really understand. This may be a dumb question but I didn’t find a clear explanation.
WPA uses encryption TKIP. WPA2 uses encryption AES. So far so good. What… Continue reading Does WPA2 use TKIP or not?
I know that WEP has been replaced by TKIP. TKIP still uses RC4, but in it the Initialization Vector (IV) is longer and it’s used with the MAC of the sender and a hardcoded WEP key to generate the key used in RC4. I also read … Continue reading Algorithm that change keys in TKIP
The Windows 10 update that’s rolling out addresses insecure Wi-Fi hotspots with new user notifications. Continue reading Microsoft Beefs Up Wi-Fi Protection
I know that WEP is vulnerable to the ChopChop attack. Could the ChopChop attack be carried against WPA2-PSK as well? Some Internet articles suggest this possibility, I want to be sure though.
Looking at the manual for tkiptun-ng,(http://www.aircrack-ng.org/doku.php?id=tkiptun-ng) The output saves the keystream in the example near the end of the program. Is this the same keystream used to encrypt all the data traff… Continue reading Is the keystream recovered by tkiptun-ng the same key used to encrypt all data frames between the client and the AP?
I’m reading about 802.11, from IEEE’s PDF, from page 1191, and in particularly I’m reading about TKIP. To decrypt and encrypt, you use a TSC (TKIP Sequence Counter) as you can see in these images:
How, and from what, is the TSC calcu… Continue reading How is TSC (TKIP sequence counter) calculated, in WPA?