# File lib/chef_zero/endpoints/cookbook_version_endpoint.rb, line 71
      def get_checksums(cookbook)
        result = []
        FFI_Yajl::Parser.parse(cookbook, :create_additions => false).each_pair do |key, value|
          if value.is_a?(Array)
            value.each do |file|
              if file.is_a?(Hash) && file.has_key?('checksum')
                result << file['checksum']
              end
            end
          end
        end
        result.uniq
      end