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per packet key (PPK)

Per Packet Key (PPK) is a method for increasing the security of WEP-encrypted data. PPK uses a dynamic key instead of the static WEP key for each data packet. This is formed from the combination of the static, temporary address key, the Temporal Transmitter Address Key (TTAK), with the respective initialization vector (IV) and is redefined for each data packet.

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Englisch: per packet key - PPK
Updated at: 19.08.2014
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