Package org.apache.hadoop.security.authentication.util

Class RandomSignerSecretProvider

java.lang.Object

org.apache.hadoop.security.authentication.util.SignerSecretProvider

org.apache.hadoop.security.authentication.util.RolloverSignerSecretProvider

org.apache.hadoop.security.authentication.util.RandomSignerSecretProvider

@Unstable
@Private
public class RandomSignerSecretProvider
extends RolloverSignerSecretProvider

A SignerSecretProvider that uses a random number as its secret. It rolls the secret at a regular interval.

Constructor Summary

Constructors

Constructor	Description
RandomSignerSecretProvider()
RandomSignerSecretProvider(long seed)	This constructor lets you set the seed of the Random Number Generator and is meant for testing.

Method Summary

Modifier and Type	Method	Description
protected byte[]	generateNewSecret()	Subclasses should implement this to return a new secret.

Methods inherited from class org.apache.hadoop.security.authentication.util.RolloverSignerSecretProvider

destroy, getAllSecrets, getCurrentSecret, init, initSecrets, rollSecret, startScheduler

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RandomSignerSecretProvider

public RandomSignerSecretProvider()

RandomSignerSecretProvider

@VisibleForTesting
public RandomSignerSecretProvider(long seed)

This constructor lets you set the seed of the Random Number Generator and is meant for testing.

Parameters:

seed - the seed for the random number generator

Method Detail

generateNewSecret

protected byte[] generateNewSecret()

Description copied from class: RolloverSignerSecretProvider

Subclasses should implement this to return a new secret. It will be called automatically at the secret rollover interval. It should never return null.

Specified by:

generateNewSecret in class RolloverSignerSecretProvider

Returns:

a new secret