org.spongycastle.crypto.prng

Class FixedSecureRandom

java.lang.Object

java.util.Random

java.security.SecureRandom

org.spongycastle.crypto.prng.FixedSecureRandom

All Implemented Interfaces:

java.io.Serializable

public class FixedSecureRandom
extends java.security.SecureRandom

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FixedSecureRandom(boolean intPad, byte[] value) Pad the data on integer boundaries.
FixedSecureRandom(boolean intPad, byte[][] values) Pad the data on integer boundaries.
FixedSecureRandom(byte[] value)
FixedSecureRandom(byte[][] values)

Method Summary

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

Methods inherited from class java.security.SecureRandom

getAlgorithm, getInstance, getInstance, getInstance, getInstanceStrong, getProvider, getSeed, next, setSeed, setSeed

Methods inherited from class java.util.Random

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

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedSecureRandom

public FixedSecureRandom(byte[] value)

FixedSecureRandom

public FixedSecureRandom(byte[][] values)

FixedSecureRandom

public FixedSecureRandom(boolean intPad,
                         byte[] value)

Pad the data on integer boundaries. This is necessary for the classpath project's BigInteger implementation.

FixedSecureRandom

public FixedSecureRandom(boolean intPad,
                         byte[][] values)

Pad the data on integer boundaries. This is necessary for the classpath project's BigInteger implementation.

Method Detail

nextBytes

public void nextBytes(byte[] bytes)

Overrides:

nextBytes in class java.security.SecureRandom

generateSeed

public byte[] generateSeed(int numBytes)

Overrides:

generateSeed in class java.security.SecureRandom

nextInt

public int nextInt()

Overrides:

nextInt in class java.util.Random

nextLong

public long nextLong()

Overrides:

nextLong in class java.util.Random

isExhausted

public boolean isExhausted()