# File lib/mixlib/authentication/signedheaderauth.rb, line 101
      def canonicalize_request
        "Method:#{http_method.to_s.upcase}\nHashed Path:#{digester.hash_string(canonical_path)}\nX-Ops-Content-Hash:#{hashed_body}\nX-Ops-Timestamp:#{canonical_time}\nX-Ops-UserId:#{user_id}"
      end