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Re:Blake3 is 10 times faster than SHA-2 by throwaway838475 on Saturday January 11, 2020 @11:25PM (#22024472)
The correct term is PBKDF.

And more succinctly:

crypto hash fn != authenticated hash fn (like HMAC constructions) != PBKDF

Re:Blake3 is 10 times faster than SHA-2 by masklinn on Sunday January 12, 2020 @06:47AM (#22025842)
The correct term is KDF, PBKDF is a specific KDF algorithm.