java.security
Class SecureRandom

java.lang.Object
  java.util.Random
      java.security.SecureRandom

All Implemented Interfaces:

Serializable

public class SecureRandom

extends Random

Model Field Summary

 

Model fields inherited from class java.lang.Object

_getClass, objectState, theString

 

Ghost Field Summary

 

Ghost fields inherited from class java.lang.Object

objectTimesFinalized, owner

 

Field Summary
private  long	counter
private  MessageDigest	digest
private  Provider	provider
private  byte[]	randomBytes
private  int	randomBytesUsed
private  SecureRandomSpi	secureRandomSpi
private static SecureRandom	seedGenerator
(package private) static long	serialVersionUID
private  byte[]	state

 

Fields inherited from class java.util.Random

 

Constructor Summary
	SecureRandom()
	SecureRandom(byte[])
protected	SecureRandom(SecureRandomSpi, Provider)

 

Model Method Summary

 

Model methods inherited from class java.lang.Object

hashValue

 

Method Summary
byte[]	generateSeed(int)
static SecureRandom	getInstance(String)
static SecureRandom	getInstance(String, String)
static SecureRandom	getInstance(String, Provider)
private static String	getPrngAlgorithm()
Provider	getProvider()
(package private)  SecureRandomSpi	getSecureRandomSpi()
static byte[]	getSeed(int)
private static byte[]	longToByteArray(long)
protected  int	next(int)
void	nextBytes(byte[])
void	setSeed(byte[])
void	setSeed(long)

 

Methods inherited from class java.util.Random

nextBoolean, nextDouble, nextFloat, nextGaussian, nextInt, nextInt, nextLong

 

Methods inherited from class java.lang.Object

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

 

Field Detail

counter

private long counter

randomBytes

private byte[] randomBytes

state

private byte[] state

serialVersionUID

static final long serialVersionUID

seedGenerator

private static SecureRandom seedGenerator

digest

private MessageDigest digest

randomBytesUsed

private int randomBytesUsed

provider

private Provider provider

secureRandomSpi

private SecureRandomSpi secureRandomSpi

SecureRandom

public SecureRandom()

SecureRandom

public SecureRandom(byte[])

SecureRandom

protected SecureRandom(SecureRandomSpi,
                       Provider)

next

protected final int next(int)

Overrides:

next in class Random

generateSeed

public byte[] generateSeed(int)

getSeed

public static byte[] getSeed(int)

setSeed

public void setSeed(long)

Overrides:

setSeed in class Random

longToByteArray

private static byte[] longToByteArray(long)

nextBytes

public void nextBytes(byte[])

Overrides:

nextBytes in class Random

setSeed

public void setSeed(byte[])

getPrngAlgorithm

private static String getPrngAlgorithm()

getProvider

public final Provider getProvider()

getSecureRandomSpi

SecureRandomSpi getSecureRandomSpi()

getInstance

public static SecureRandom getInstance(String)
                                throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getInstance

public static SecureRandom getInstance(String,
                                       String)
                                throws NoSuchAlgorithmException,
                                       NoSuchProviderException

Throws:

NoSuchAlgorithmException

NoSuchProviderException

getInstance

public static SecureRandom getInstance(String,
                                       Provider)
                                throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException