# File lib/net/ssh/transport/hmac/abstract.rb, line 34 def digest_class(*v) @digest_class = nil if !defined?(@digest_class) if v.empty? @digest_class = superclass.digest_class if @digest_class.nil? && superclass.respond_to?(:digest_class) return @digest_class elsif v.length == 1 @digest_class = v.first else raise ArgumentError, "wrong number of arguments (#{v.length} for 1)" end end