Make_HKDF_generic.2-Impl
val hash_alg : SharedDefs.HashDefs.alg
val extract : C.buf -> C.buf -> Unsigned.uint32 -> C.buf -> Unsigned.uint32 -> unit
val expand : C.buf -> C.buf -> Unsigned.uint32 -> C.buf -> Unsigned.uint32 -> Unsigned.uint32 -> unit