Package io.heraldprox.herald.sensor.datatype.random

Class BlockingSecureRandom

java.lang.Object

io.heraldprox.herald.sensor.datatype.random.RandomSource

io.heraldprox.herald.sensor.datatype.random.BlockingSecureRandom

Direct Known Subclasses:

BlockingSecureRandomNIST

public class BlockingSecureRandom
extends RandomSource

Secure random number generator that is blocking after about 4.5 hours on idle devices due to lack of entropy. Uses a new instance for every call.

Field Summary

Fields inherited from class io.heraldprox.herald.sensor.datatype.random.RandomSource

entropy

Constructor Summary

Constructors

Constructor	Description
BlockingSecureRandom()

Method Summary

Modifier and Type	Method	Description
protected java.util.Random	getSecureRandom()
void	nextBytes(byte[] bytes)	Get random bytes from the random source.

Methods inherited from class io.heraldprox.herald.sensor.datatype.random.RandomSource

addEntropy, addEntropy, addEntropy, hash, nextInt, nextLong, useEntropy, useEntropy

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockingSecureRandom

public BlockingSecureRandom()

Method Detail

getSecureRandom

@NonNull
protected java.util.Random getSecureRandom()

nextBytes

public void nextBytes(@NonNull
                      byte[] bytes)

Description copied from class: RandomSource

Get random bytes from the random source.

Specified by:

nextBytes in class RandomSource

Parameters:

bytes - Fill byte array with random data.