Package org.bouncycastle.crypto.general

Class GeneralSecureRandom

java.lang.Object

java.util.Random

java.security.SecureRandom

org.bouncycastle.crypto.general.GeneralSecureRandom

All Implemented Interfaces:

Serializable, RandomGenerator

public final class GeneralSecureRandom
extends SecureRandom

Base class for DRBG/RNG SecureRandom implementations that use non-FIPS approved algorithms.

See Also:

• Serialized Form

Nested Class Summary

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

RandomGenerator.ArbitrarilyJumpableGenerator, RandomGenerator.JumpableGenerator, RandomGenerator.LeapableGenerator, RandomGenerator.SplittableGenerator, RandomGenerator.StreamableGenerator

Method Summary

Modifier and Type	Method	Description
byte[]	generateSeed(int numBytes)
String	getAlgorithm()	Return the algorithm name
int	getBlockSize()	Return the block size of the underlying DRBG
void	nextBytes(byte[] bytes)
void	nextBytes(byte[] bytes, byte[] additionalInput)
void	reseed()	Force a reseed.
void	reseed(byte[] additionalInput)	Force a reseed with additional input.
void	setSeed(byte[] seed)
void	setSeed(long seed)

Methods inherited from class java.security.SecureRandom

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

Methods inherited from class java.util.Random

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.random.RandomGenerator

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

Method Details

setSeed

public void setSeed(byte[] seed)

Overrides:

setSeed in class SecureRandom

setSeed

public void setSeed(long seed)

Overrides:

setSeed in class SecureRandom

getAlgorithm

public String getAlgorithm()

Return the algorithm name

Overrides:

getAlgorithm in class SecureRandom

nextBytes

public void nextBytes(byte[] bytes)

Specified by:

nextBytes in interface RandomGenerator

Overrides:

nextBytes in class SecureRandom

nextBytes

public void nextBytes(byte[] bytes,
 byte[] additionalInput)

generateSeed

public byte[] generateSeed(int numBytes)

Overrides:

generateSeed in class SecureRandom

getBlockSize

public int getBlockSize()

Return the block size of the underlying DRBG

Returns:

number of bits produced each cycle.

reseed

public void reseed()

Force a reseed.

Overrides:

reseed in class SecureRandom

reseed

public void reseed(byte[] additionalInput)

Force a reseed with additional input.

Parameters:

additionalInput - additional input to be used in conjunction with reseed.