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The vulnerabilities of TKIP are significant because WPA-TKIP had been held before to be an extremely safe combination; indeed, WPA-TKIP is still a configuration option upon a wide variety of wireless routing devices provided by many hardware vendors. A survey in 2013 showed that 71% still allow usage of TKIP, and 19% exclusively support TKIP. [40]
The TKIP encryption algorithm was developed for WPA to provide improvements to WEP that could be fielded as firmware upgrades to existing 802.11 devices. The WPA profile also provides optional support for the AES-CCMP algorithm that is the preferred algorithm in 802.11i and WPA2. WPA Enterprise provides RADIUS based
Temporal Key Integrity Protocol (TKIP / t iː ˈ k ɪ p /) is a security protocol used in the IEEE 802.11 wireless networking standard. TKIP was designed by the IEEE 802.11i task group and the Wi-Fi Alliance as an interim solution to replace WEP without requiring the replacement of legacy hardware.
The main purpose to implement TKIP was that the algorithm should be implementable within the capabilities of most of the old devices supporting only WEP. The initial authentication process is carried out either using a pre-shared key (PSK), or following an EAP exchange through 802.1X (known as EAPOL , which requires the presence of an ...
Wi-Fi Protected Access (WPA) better than WEP, a 'pre-standard' partial version of 802.11i 802.11i a.k.a. WPA2, uses AES and other improvements on WEP A5/1 and A5/2 cell phone encryption for GSM
Only TKIP/AES frames are protected and WEP/open frames are not protected. The following management frames can be protected: Disassociate; Deauthenticate; Action Frames: Block ACK Request/Response (AddBA), QoS Admission Control, Radio Measurement, Spectrum Management, Fast BSS Transition; Channel Switch Announcement directed to a client (Unicast)
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WPA was designed as an interim software-implementable solution for WEP that could forestall immediate deployment of new hardware. [22] However, TKIP (the basis of WPA) has reached the end of its designed lifetime, has been partially broken, and has been officially deprecated with the release of the 802.11-2012 standard. [23]