vertx-lang-scala-docs_2.12 3.6.1 API < Back
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# Packages

-  package root
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    root
-  package io
  Definition Classes
    root
-  package vertx
  Definition Classes
    io
-  package scala
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    vertx
-  package ext
  Definition Classes
    scala
-  package auth
  Definition Classes
    ext
-  package htdigest
  Definition Classes
    auth
-  package jdbc
  Definition Classes
    auth
-  package jwt
  Definition Classes
    auth
-  package mongo
  Definition Classes
    auth
-  package oauth2
  Definition Classes
    auth
-  package shiro
  Definition Classes
    auth
- AuthOptions
- AuthProvider
- ChainAuth
- HashingAlgorithm
- HashingStrategy
- KeyStoreOptions
- PubSecKeyOptions
- SecretOptions
- User
- VertxContextPRNG

c

io.vertx.scala.ext.auth

# VertxContextPRNG 

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Companion object VertxContextPRNG

#### class VertxContextPRNG extends AnyRef

A secure non blocking random number generator isolated to the current context. The PRNG is bound to the vert.x context and setup to close when the context shuts down.

When applicable, use of VertxContextPRNG rather than create new PRNG objects is helpful to keep the system entropy usage to the minimum avoiding potential blocking across the application.

The use of VertxContextPRNG is particularly appropriate when multiple handlers use random numbers.

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### Instance Constructors

1.  new VertxContextPRNG(_asJava: AnyRef)

### Value Members

1.  final def !=(arg0: Any): Boolean
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14.  def nextInt(bound: Int): Int

    Returns a secure random int, between 0 (inclusive) and the specified bound (exclusive).

    Returns a secure random int, between 0 (inclusive) and the specified bound (exclusive). * @param bound the upper bound (exclusive), which must be positive.

    returns

      random int.

15.  def nextInt(): Int

    Returns a secure random int * @return random int.

16.  def nextString(length: Int): String

    Returns a Base64 mime encoded String of random data with the given length.

    Returns a Base64 mime encoded String of random data with the given length. The length parameter refers to the length of the String before the encoding step. * @param length the desired string length before Base64 encoding.

    returns

      A base 64 encoded string.

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