v1_5", modulusLength: 2048,
   *          publicExponent: new Uint8Array([1, 0, 1]), hash: "SHA-256" },
   *        and { name: "ECDSA", namedCurve: "P-256" }.
   */
  [1024, 2048].forEach(modulusLength => {
    promise_test(t =>
      // Test common RSA key sizes. Only 2048 is mandatory to support.
      RTCPeerConnection.generateCertificate({
        name: 'RSASSA-PKCS1-v1_5',
        modulusLength,
        publicExponent: new Uint8Array([1, 0, 1]),
        hash: 'SHA-256'
      }).then(cert => {
        