sasl-next-step

sasl-next-step is a compiled Lisp function in `sasl.el'.

(sasl-next-step CLIENT STEP)

Evaluate the challenge and prepare an appropriate next response.
The data type of the value and 2nd argument STEP is nil or opaque
authentication step which holds the reference to the next action and
the current challenge. At the first time STEP should be set to nil.