ERSION + name + ":" + email);
  },

  setup(emailInput, passwordInput, options = {}) {
    return new Promise(resolve => {
      log.debug("setup credentials for " + emailInput);

      let hkdfSalt = options.hkdfSalt || HKDF_SALT;
      let hkdfLength = options.hkdfLength || HKDF_LENGTH;
      let stretchedPWLength =
        options.stretchedPassLength || STRETCHED_PW_LENGTH_BYTES;
      let pbkdf2Rounds = options.pbkdf2Rounds || PBKDF2_ROUNDS;

      let result = {};

      let password = CommonUtils.encodeUTF8(passwordInput);
      let salt = this.keyWordExtended("quickStretch", emailInput);

      let runnable = async () => {
        let start = Date.now();
        let quickStretchedPW = await CryptoUtils.pbkdf2Generate(
          password,
          salt,
          pbkdf2Rounds,
          stretchedPWLength
        );

        result.quickStretchedPW = quickStretchedPW;

        result.authPW = await CryptoUtils.hkdfLegacy(
          quickStretchedPW,
          hkdfSalt,
          this.keyWord("authPW"),
          hkdfLength
        );

        result.unwrapBKey = await CryptoUtils.hkdfLegacy(
          quickStretchedPW,
          hkdfSalt,
          this.keyWord("unwrapBkey"),
          hkdfLength
        );

        log.debug("Credentials set up after " + (Date.now() - start) + " ms");
        resolve(result);
      };

      Services.tm.dispatchToMainThread(runnable);
      log.debug("Dispatched thread for credentials setup crypto work");
    });
  },
});
PK