A system for performing authentication of {HEAD ~ a first user} to a second user includes the ability for {TAIL ~ the first user} to submit multiple instances of authentication data which are evaluated and then used to generate an overall level of confidence in the claimed identity of the first user 
A system for performing authentication of { HEAD ~ a first user } to a second user includes the ability for { TAIL ~ the first user } to submit multiple instances of authentication data which are evaluated and then used to generate an overall level of confidence in the claimed identity of the first user
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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