class Argon2::Password

def hash(pass)
  Argon2::Engine.hash_argon2i_encode(
          pass, @salt, @t_cost, @m_cost)
end

def initialize(options = {})
  #TODO: Verify inputs
  @t_cost = options[:t_cost] || 2
  @m_cost = options[:m_cost] || 16
  @salt = options[:salt_do_not_supply] || Engine.saltgen
end