4-way handshake
neljasammuline kätlus
olemus
WiFi-võrgu protseduur,
võimaldab pääsupunktil (või autentijal)
ja võrgukliendil (või taotlejal)
sõltumatult tõendada salajase võtme teadmist,
seda võtit avaldamata
=
a WiFi network procedure for assuring that
the access point (or authenticator) and
wireless client (or supplicant)
can independently prove to each other
that they know the PSK/PMK, without disclosing the key
ülevaateid
https://en.wikipedia.org/wiki/IEEE_802.11i-2004#Four-way_handshake
https://web.stanford.edu/class/cs259/WWW04/projects/project04/04%20-%20Slides.pdf
https://www.youtube.com/watch?v=9M8kVYFhMDw
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.142.1615&rep=rep1&type=pdf
standard
http://etutorials.org/Networking/Wireless+lan+security/Chapter+8.+WLAN+Encryption+and+Data+Integrity+Protocols/IEEE+802.11i/
turvalisus
https://www.allaboutcircuits.com/news/krack-attack-in-wpa-2-devices-threatens-the-4-way-handshake-protocol/
https://security.stackexchange.com/questions/66008/how-exactly-does-4-way-handshake-cracking-work
http://irep.ntu.ac.uk/id/eprint/19525/1/219483_PubSub1936_Ma.pdf
vt ka
- kätlus