A framework is provided that decouples credential acquisition from authentication processes using those credentials in a way that facilitates {HEAD ~ dynamic update} of {TAIL ~ credential information} 
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A framework is provided that decouples credential acquisition from authentication processes using those credentials in a way that facilitates { HEAD ~ dynamic update } of { TAIL ~ credential information }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL