In preferred embodiments, the authenticated identities of components performing {HEAD ~ the transformation} can also be determined from {TAIL ~ the cryptographically protected information} 
In preferred embodiments , the authenticated identities of components performing { HEAD ~ the transformation } can also be determined from { TAIL ~ the cryptographically protected information }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL