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Introduced as part of the original IEEE 802.11 standard ratified in 1997, its intention was to provide security/privacy comparable to that of a traditional wired network. [1] WEP, recognizable by its key of 10 or 26 hexadecimal digits (40 or 104 bits), was at one time widely used, and was often the first security choice presented to users by ...
The packet number is a 48-bit number stored across 6 octets. The PN codes are the first two and last four octets of the CCMP header and are incremented for each subsequent packet. Between the PN codes are a reserved octet and a Key ID octet. The Key ID octet contains the Ext IV (bit 5), Key ID (bits 6–7), and a reserved subfield (bits 0–4).
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.
TKIP employs a per-packet key, meaning that it dynamically generates a new 128-bit key for each packet and thus prevents the types of attacks that compromised WEP. [ 4 ] WPA also includes a Message Integrity Check , which is designed to prevent an attacker from altering and resending data packets.
WireGuard supports pre-shared symmetric key mode, which provides an additional layer of symmetric encryption to mitigate future advances in quantum computing. This addresses the risk that traffic may be stored until quantum computers are capable of breaking Curve25519, at which point traffic could be decrypted.
IEEE 802.11i-2004, or 802.11i for short, is an amendment to the original IEEE 802.11, implemented as Wi-Fi Protected Access II (WPA2). The draft standard was ratified on 24 June 2004.
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