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About wireless security

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Wireless security is based on IEEE 802.1X (IEEE Standard). There are two types of encryption: WEP and WPA (WPA2); besides, the are two WPA/WPA2 modes: pre-shared key mode, and with a RADIUS server.


Pre-shared key mode (PSK, also known as Personal mode) is designed for home and small office networks; each user must enter a passphrase from 8 to 63 printable characters; a hash function that incorporates the SSID converts the password to a hash value that is being transferred during the 'handshake' process. There is no way to get the plaintext password right from the hash, but the password can be still retrieved (in many cases) by performing various attacks such as trying all words from the dictionary/wordlists ("as is" or modified).



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