tion {
   *      static Promise<RTCCertificate> generateCertificate(
   *        AlgorithmIdentifier keygenAlgorithm);
   *    };
   *
   *  4.10.2. RTCCertificate Interface
   *    interface RTCCertificate {
   *      readonly attribute DOMTimeStamp expires;
   *      ...
   *    };
   *
   *  [WebCrypto]
   *  11. Algorithm Dictionary
   *    typedef (object or DOMString) AlgorithmIdentifier;
   */

  /*
   *  4.10. The following values must be supported by a user agent:
   *        { name: "RSASSA-PKCS1-