wpa_passphrase Generate a WPA-PSK key from an ASCII passphrase for a given SSID. Compute and display the WPA-PSK key for a given SSID reading the passphrase from stdin: wpa_passphrase {{SSID}} Compute and display WPA-PSK key for a given SSID specifying the passphrase as an argument: wpa_passphrase {{SSID}} {{passphrase}}