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In WPA2-protected WLANs, secure communication is established through a multi-step process. Initially, devices associate with the Access Point (AP) via an association request. This is followed by a 4-way handshake, a crucial step ensuring both the client and AP have the correct Pre-Shared Key (PSK) without actually transmitting it.
The Wi-Fi Alliance refers to their approved, interoperable implementation of the full 802.11i as WPA2, also called RSN (Robust Security Network). 802.11i makes use of the Advanced Encryption Standard (AES) block cipher, whereas WEP and WPA use the RC4 stream cipher.
[3] [4] The new standard uses 128-bit encryption in WPA3-Personal mode (192-bit in WPA3-Enterprise) [5] and forward secrecy. [6] The WPA3 standard also replaces the pre-shared key (PSK) exchange with Simultaneous Authentication of Equals as defined in IEEE 802.11-2016 resulting in a more secure initial key exchange in personal mode.
The primary enhancement over WPA is the inclusion of the AES-CCMP algorithm as a mandatory feature. Both WPA and WPA2 support EAP authentication methods using RADIUS servers and preshared key (PSK). The number of WPA and WPA2 networks are increasing, while the number of WEP networks are decreasing, [34] because of the security vulnerabilities ...
In addition, the IEEE 802.11 WG noted that the functionality offered by WAPI systems was equivalent to only a small subset of the security offered by WPA2-based systems. The China NB eventually withdrew WAPI in October 2011 (document JTC1/SC6 N15030) and the project was formally cancelled by SC6 in February 2012.
In cryptography, a pre-shared key (PSK) is a shared secret which was previously shared between the two parties using some secure channel before it needs to be used. [ 1 ] Key
Angelina Jolie on Dec. 2, 2024. Larraín, the 48-year-old Chilean filmmaker, has made a name for himself in the U.S. in recent years for directing biopics of famous 20th century women at a ...
Wi-Fi Protected Access 2 (WPA2) security, [9] which aligns with IEEE 802.11i. WPA2 is available in two types: WPA2-Personal for consumer use, and WPA2 Enterprise, which adds EAP authentication. Optional: Tests corresponding to IEEE 802.11h and 802.11d. WMM Quality of Service, [10] based upon a subset of IEEE 802.11e.