As has been demonstrated, the present invention provides advantageous techniques for dynamically yet securely selecting the capabilities of a multi function device and for improving the security of {HEAD ~ transactions} performed with {TAIL ~ such devices} 
performed with
As has been demonstrated , the present invention provides advantageous techniques for dynamically yet securely selecting the capabilities of a multi function device and for improving the security of { HEAD ~ transactions } performed with { TAIL ~ such devices }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL