Package org.bouncycastle.pqc.crypto.test

Class NISTSecureRandom

java.lang.Object

java.util.Random

java.security.SecureRandom

org.bouncycastle.pqc.crypto.test.NISTSecureRandom

All Implemented Interfaces:

Serializable, java.util.random.RandomGenerator

public class NISTSecureRandom
extends SecureRandom

for producing FixedSecureRandom objects for use with testing

See Also:

• Serialized Form

Nested Class Summary

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
NISTSecureRandom(byte[] seed, byte[] personalization)

Method Summary

Modifier and Type	Method	Description
static FixedSecureRandom	getFixed(byte[] seed, byte[] personalization, int strength, int discard, int size)
static FixedSecureRandom	getFixed(byte[] seed, int strength)	Return a seeded FixedSecureRandom representing the result of processing a CMCE test seed with the CMCE RandomNumberGenerator.
static FixedSecureRandom	getFixedNoDiscard(byte[] seed, int strength)
void	nextBytes(byte[] x)

Methods inherited from class java.security.SecureRandom

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

Constructor Details

NISTSecureRandom

public NISTSecureRandom(byte[] seed,
 byte[] personalization)

Method Details

getFixed

public static FixedSecureRandom getFixed(byte[] seed,
 int strength)

Return a seeded FixedSecureRandom representing the result of processing a CMCE test seed with the CMCE RandomNumberGenerator.

Parameters:

seed - original CMCE seed

strength - bit-strength of the RNG required.

Returns:

a FixedSecureRandom containing the correct amount of seed material for use with Java.

getFixed

public static FixedSecureRandom getFixed(byte[] seed,
 byte[] personalization,
 int strength,
 int discard,
 int size)

getFixedNoDiscard

public static FixedSecureRandom getFixedNoDiscard(byte[] seed,
 int strength)

nextBytes

public void nextBytes(byte[] x)

Specified by:

nextBytes in interface java.util.random.RandomGenerator

Overrides:

nextBytes in class SecureRandom