## Uses of Class
io.vertx.rxjava3.ext.auth.otp.hotp.HotpAuth

- Packages that use HotpAuth
  Package | Description
  --- | ---
  io.vertx.rxjava3.ext.auth.otp.hotp |
  io.vertx.rxjava3.ext.web.handler |

- - ### Uses of HotpAuth in io.vertx.rxjava3.ext.auth.otp.hotp

    Fields in io.vertx.rxjava3.ext.auth.otp.hotp with type parameters of type HotpAuth
    Modifier and Type | Field and Description
    --- | ---
    `static io.vertx.lang.rx.TypeArg<HotpAuth>` | HotpAuth.`__TYPE_ARG`

    Methods in io.vertx.rxjava3.ext.auth.otp.hotp that return HotpAuth
    Modifier and Type | Method and Description
    --- | ---
    `HotpAuth` | HotpAuth.`authenticatorFetcher(java.util.function.Function<String,Single<Authenticator>> fetcher)` Provide a that can fetch s from a backend given an `identifier` argument.
    `HotpAuth` | HotpAuth.`authenticatorUpdater(java.util.function.Function<Authenticator,Completable> updater)` Provide a that can update or insert a .
    `static HotpAuth` | HotpAuth.`create()` Creates an instance of HotpAuth.
    `static HotpAuth` | HotpAuth.`create(HotpAuthOptions hotpAuthOptions)` Creates an instance of HotpAuth.
    `static HotpAuth` | HotpAuth.`newInstance(HotpAuth arg)`

  - ### Uses of HotpAuth in io.vertx.rxjava3.ext.web.handler

    Methods in io.vertx.rxjava3.ext.web.handler with parameters of type HotpAuth
    Modifier and Type | Method and Description
    --- | ---
    `static OtpAuthHandler` | OtpAuthHandler.`create(HotpAuth hotpAuth)` Create a new instance of this handler using a hash based one time password authentication provider.

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