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