I came across to a definition of a term PMKID while studying 4-way handshake in IEEE 802.11i. It is defined as:
PMKID = H(PMK,"PMK name"||AA||SPA)
I know the vertical bar || in the input of the hash function means concatenation, i.e. joining them end-to-end. How about the comma? Any difference?
And also, does "PMK name" means that the string is converted into binary form and serve as part of the input or is it there for demonstration purpose only?