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As of July 2020, WPA3 is the latest iteration of the WPA standard, bringing enhanced security features and addressing vulnerabilities found in WPA2. WPA3 improves authentication methods and employs stronger encryption protocols, making it the recommended choice for securing Wi-Fi networks. [22]
wpa_supplicant is a free software implementation of an IEEE 802.11i supplicant for Linux, FreeBSD, NetBSD, QNX, AROS, Microsoft Windows, Solaris, OS/2 (including ArcaOS and eComStation) [2] and Haiku. [3] In addition to being a WPA3 and WPA2 supplicant, it also implements WPA and older wireless LAN security protocols.
[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 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.
WEP, WPA,WPA2 ver Free Windows XP, Windows Server 2003: none Desktop, Workstation, Server, Windows users Dell Wireless LAN Card Utility [11] Dell N/A N/A WEP, WPA,WPA2 ver 3.0 Free Windows Only for Cisco Aironet products Desktop, Workstation, Server, Windows users Broadcom WLAN Utility [12] Broadcom N/A N/A WEP, WPA,WPA2 ver 6.0 Free Windows
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 WEP. WPA2 has been found to have at least one security vulnerability, nicknamed Hole196.
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.
Wi-Fi Protected Access 2 (WPA2) ratified in 2004 is considered secure, provided a strong passphrase is used. The 2003 version of WPA has not been considered secure since it was superseded by WPA2 in 2004. In 2018, WPA3 was announced as a replacement for WPA2, increasing security; [147] it rolled out on 26 June. [148]