RFID-enabled Extensible Authentication Framework and Its ...

T An RFID tag
R An RFID reader
List of Notations
M A middleware for authentication
O The owner of an item to which T is attached
A An Adversary with RF communication capability
D A distributor
S A supplier or a manufacturer
C A customer of a RFID-tagged product
A → B : msg A message packet msg is transferred from entity A to
entity B
A→B→C : msg msg is relayed by B from A to C
IDT Identity of T
RNDA A random number generated by an entity A
str1 ⊕ str2 Bitwise XOR value of two strings, str1 and str2
str1 || str2 Concatenation of str1 and str2
Hash(str) Hash value of str
Secret A shared secret between M and T
KAB A shared key between A and B
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