Class FixedSecureRandom

java.lang.Object

java.util.Random

java.security.SecureRandom

org.bouncycastle.util.test.FixedSecureRandom

All Implemented Interfaces:

Serializable, java.util.random.RandomGenerator

Direct Known Subclasses:

TestRandomBigInteger, TestRandomData

public class FixedSecureRandom
extends SecureRandom

A secure random that returns pre-seeded data to calls of nextBytes() or generateSeed().

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FixedSecureRandom.BigInteger	BigInteger Source - in this case we expect requests for data that will be used for BigIntegers.
static class	FixedSecureRandom.Data	Data Source - in this case we just expect requests for byte arrays.
static class	FixedSecureRandom.RollingSHA256
static class	FixedSecureRandom.Source	Base class for sources of fixed "Randomness"

Nested classes/interfaces inherited from interface java.util.random.RandomGenerator

java.util.random.RandomGenerator.ArbitrarilyJumpableGenerator, java.util.random.RandomGenerator.JumpableGenerator, java.util.random.RandomGenerator.LeapableGenerator, java.util.random.RandomGenerator.SplittableGenerator, java.util.random.RandomGenerator.StreamableGenerator

Constructor Summary

Constructors

Constructor	Description
FixedSecureRandom(FixedSecureRandom.Source... sources)

Method Summary

Modifier and Type	Method	Description
byte[]	generateSeed(int numBytes)
boolean	isExhausted()
void	nextBytes(byte[] bytes)
int	nextInt()
long	nextLong()

Methods inherited from class SecureRandom

getAlgorithm, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstanceStrong, getParameters, getProvider, getSeed, next, nextBytes, reseed, reseed, setSeed, setSeed, toString

Methods inherited from class Random

doubles, doubles, doubles, doubles, from, ints, ints, ints, ints, longs, longs, longs, longs, nextBoolean, nextDouble, nextFloat, nextGaussian, nextInt

Methods inherited from class Object

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

Methods inherited from interface java.util.random.RandomGenerator

equiDoubles, isDeprecated, nextDouble, nextDouble, nextExponential, nextFloat, nextFloat, nextGaussian, nextInt, nextLong, nextLong

Constructor Details

FixedSecureRandom

public FixedSecureRandom(FixedSecureRandom.Source... sources)

Method Details

nextBytes

public void nextBytes(byte[] bytes)

Specified by:

nextBytes in interface java.util.random.RandomGenerator

Overrides:

nextBytes in class SecureRandom

generateSeed

public byte[] generateSeed(int numBytes)

Overrides:

generateSeed in class SecureRandom

nextInt

public int nextInt()

Specified by:

nextInt in interface java.util.random.RandomGenerator

Overrides:

nextInt in class Random

nextLong

public long nextLong()

Specified by:

nextLong in interface java.util.random.RandomGenerator

Overrides:

nextLong in class Random

isExhausted

public boolean isExhausted()