# File lib/httpauth/digest.rb, line 188 def calculate_digest(h, s, variant) raise ArgumentError.new("Variant should be either :request or :response, not #{variant}") unless [:request, :response].include?(variant) # Compatability with RFC 2069 if h[:qop].nil? digest_kd digest_a1(h, s), digest_concat( h[:nonce], send("#{variant}_digest_a2".intern, h) ) else digest_kd digest_a1(h, s), digest_concat( h[:nonce], Conversions.int_to_hex(h[:nc]), h[:cnonce], h[:qop], send("#{variant}_digest_a2".intern, h) ) end end