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