OriginalBLAKE2s = require "blake2s-js"
Exports a BLAKE2s subclass with a more convenient API for our purposes.
module.exports = class BLAKE2s extends OriginalBLAKE2s
constructor: (params) ->
OriginalBLAKE2s.call(this, params.length, params.key)
update: (input) ->
OriginalBLAKE2s::update.call(this, input)
return this