IEEE 802.11i

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What Does IEEE 802.11i Mean?

IEEE 802.11i is an IEEE 802.11 amendment used to facilitate secure end-to-end communication for wireless local area networks (WLAN). IEEE 80211i improves mechanisms for wireless authentication, encryption, key management and detailed security.

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IEEE 802.11i is also known as IEEE 802.11i-2004.

Techopedia Explains IEEE 802.11i

IEEE 802.11i enhances Wired Equivalent Policy (WEP), which was a defacto wireless security standard until it was replaced by the draft version of Wi-Fi Protected Access (WPA). When combined, IEEE 802.11i and WPA 2 form a complete wireless security protocol that includes the Advanced Encryption Standard’s (AES) block ciphering technique, four-way handshake and group key handshake for improved authentication and access control.

IEEE 802.11i also incorporates Temporal Key Integrity Protocol (TKIP) and Counter Mode/CBC-MAC Protocol (CCMP) for data transmission confidentiality, protection, packet authentication and encryption.

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret é uma premiada redatora e professora conhecida por sua habilidade de explicar assuntos técnicos complexos para um público empresarial não técnico. Nos últimos vinte anos, suas definições de TI foram publicadas pela Que em uma enciclopédia de termos tecnológicos e citadas em artigos do New York Times, Time Magazine, USA Today, ZDNet, PC Magazine e Discovery Magazine. Ela ingressou na Techopedia em 2011. A ideia de Margaret de um dia divertido é ajudar os profissionais de TI e de negócios a aprenderem a falar os idiomas altamente especializados uns dos outros.