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cryptix.jce.provider.dh
Class DHKeyPairGenerator  

java.lang.Object
  java.security.KeyPairGeneratorSpi
      cryptix.jce.provider.dh.DHKeyPairGenerator

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public final class DHKeyPairGenerator

extends java.security.KeyPairGeneratorSpi

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Field Summary
private static int	CERTAINTY
private  java.math.BigInteger	g
private  boolean	initialized           Initialized already?
private static int	KEYSIZE_DEFAULT
private static int	KEYSIZE_MAX
private static int	KEYSIZE_MIN
private static java.math.BigInteger	ONE
private  java.math.BigInteger	p
private  java.security.SecureRandom	random
private  int	xLen           Bit length of the generated value x.
private static java.math.BigInteger	ZERO

 

Constructor Summary

DHKeyPairGenerator()

 

Method Summary
java.security.KeyPair	generateKeyPair()           Generates a KeyPair according the rules for the algorithm.
private  void	initialize()           Initialize with default values
void	initialize(java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)           Initialize the KeyPairGeneratorSpi with the specified AlgorithmParameterSpec and source of randomness This is a concrete method.
void	initialize(int keysize, java.security.SecureRandom random)           Initialize the KeyPairGeneratorSpi with the specified key size and source of randomness

 

Methods inherited from class java.security.KeyPairGeneratorSpi

clone

 

Methods inherited from class java.lang.Object

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

 

Field Detail

ZERO

private static final java.math.BigInteger ZERO

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ONE

private static final java.math.BigInteger ONE

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KEYSIZE_MIN

private static final int KEYSIZE_MIN

See Also:

Constant Field Values

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KEYSIZE_MAX

private static final int KEYSIZE_MAX

See Also:

Constant Field Values

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KEYSIZE_DEFAULT

private static final int KEYSIZE_DEFAULT

See Also:

Constant Field Values

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CERTAINTY

private static final int CERTAINTY

See Also:

Constant Field Values

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random

private java.security.SecureRandom random

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p

private java.math.BigInteger p

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g

private java.math.BigInteger g

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xLen

private int xLen

Bit length of the generated value x. Must be valid.

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initialized

private boolean initialized

Initialized already?

Constructor Detail

DHKeyPairGenerator

public DHKeyPairGenerator()

Method Detail

initialize

public void initialize(int keysize,
                       java.security.SecureRandom random)

Description copied from class: java.security.KeyPairGeneratorSpi

Initialize the KeyPairGeneratorSpi with the specified key size and source of randomness

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initialize

public void initialize(java.security.spec.AlgorithmParameterSpec params,
                       java.security.SecureRandom random)
                throws java.security.InvalidAlgorithmParameterException

Description copied from class: java.security.KeyPairGeneratorSpi

Initialize the KeyPairGeneratorSpi with the specified AlgorithmParameterSpec and source of randomness This is a concrete method. It may be overridden by the provider and if the AlgorithmParameterSpec class is invalid throw InvalidAlgorithmParameterException. By default this method just throws UnsupportedOperationException.

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generateKeyPair

public java.security.KeyPair generateKeyPair()

Description copied from class: java.security.KeyPairGeneratorSpi

Generates a KeyPair according the rules for the algorithm. Unless intialized, algorithm defaults will be used. It creates a unique key pair each time.

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initialize

private void initialize()

Initialize with default values

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