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wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID

wpa_passphrase [ ssid ] [ passphrase ]

wpa_passphrase pre-computes PSK entries for network configuration blocks of a wpa_supplicant.conf file. An ASCII passphrase and SSID are used to generate a 256-bit PSK.

The SSID whose passphrase should be derived.
The passphrase to use. If not included on the command line, passphrase will be read from standard input.

wpa_supplicant.conf(5) wpa_supplicant(8)

wpa_supplicant is copyright (c) 2003-2019, Jouni Malinen <> and contributors. All Rights Reserved.

This program is licensed under the BSD license (the one with advertisement clause removed).

07 August 2019