Zyxel-communications P-334WHD Manual do Utilizador descarregar pdf (Página 256)

P-334WHD User’s Guide

256 Appendix E Wireless LANs

3 The RADIUS server distributes a Pairwise Master Key (PMK) key to the AP that then

sets up a key hierarchy and management system, using the pair-wise key to dynamically

generate unique data encryption keys to encrypt every data packet that is wirelessly

communicated between the AP and the wireless clients.

Figure 153 WPA(2) with RADIUS Application Example

WPA(2)-PSK Application Example

A WPA(2)-PSK application looks as follows.

1 First enter identical passwords into the AP and all wireless clients. The Pre-Shared Key

(PSK) must consist of between 8 and 63 ASCII characters or 64 hexadecimal characters

(including spaces and symbols).

2 The AP checks each wireless client's password and (only) allows it to join the network if

the password matches.

3 The AP and wireless clients use the pre-shared key to generate a common PMK (Pairwise

Master Key).

4 The AP and wireless clients use the TKIP or AES encryption process to encrypt data

exchanged between them.

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