gnu.crypto.key.dh
Class GnuDHKeyPairGenerator

java.lang.Object
  gnu.crypto.key.dh.GnuDHKeyPairGenerator

All Implemented Interfaces:

IKeyPairGenerator

public class GnuDHKeyPairGenerator

extends java.lang.Object

implements IKeyPairGenerator

An implementation of a Diffie-Hellman keypair generator.

Reference:

1. Diffie-Hellman Key Agreement Method
   Eric Rescorla.

Version:

$Revision: 1.2 $

Field Summary

static java.lang.String	DH_PARAMETERS Property name of an optional DHGenParameterSpec instance to use for this generator.
static java.lang.String	EXPONENT_SIZE Property name of the size in bits (Integer) of the private exponent (x).
static java.lang.String	PRIME_SIZE Property name of the size in bits (Integer) of the public prime (p).
static java.lang.String	SOURCE_OF_RANDOMNESS Property name of an optional SecureRandom instance to use.

Constructor Summary

GnuDHKeyPairGenerator()

Method Summary

java.security.KeyPair	generate() Generates a new keypair based on the attributes used to configure the instance.
java.lang.String	name() Returns the canonical name of this keypair generator.
void	setup(java.util.Map attributes) [Re]-initialises this instance for use with a given set of attributes.

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE_OF_RANDOMNESS

public static final java.lang.String SOURCE_OF_RANDOMNESS

Property name of an optional SecureRandom instance to use. The default is to use a classloader singleton from PRNG.

See Also:

Constant Field Values

DH_PARAMETERS

public static final java.lang.String DH_PARAMETERS

Property name of an optional DHGenParameterSpec instance to use for this generator.

See Also:

Constant Field Values

PRIME_SIZE

public static final java.lang.String PRIME_SIZE

Property name of the size in bits (Integer) of the public prime (p).

See Also:

Constant Field Values

EXPONENT_SIZE

public static final java.lang.String EXPONENT_SIZE

Property name of the size in bits (Integer) of the private exponent (x).

See Also:

Constant Field Values

Constructor Detail

GnuDHKeyPairGenerator

public GnuDHKeyPairGenerator()

Method Detail

name

public java.lang.String name()

Description copied from interface: IKeyPairGenerator

Returns the canonical name of this keypair generator.

Specified by:

name in interface IKeyPairGenerator

Returns:

the canonical name of this instance.

setup

public void setup(java.util.Map attributes)

Description copied from interface: IKeyPairGenerator

[Re]-initialises this instance for use with a given set of attributes.

Specified by:

setup in interface IKeyPairGenerator

Parameters:

attributes - a map of name/value pairs to use for setting up the instance.

generate

public java.security.KeyPair generate()

Description copied from interface: IKeyPairGenerator

Generates a new keypair based on the attributes used to configure the instance.

Specified by:

generate in interface IKeyPairGenerator

Returns:

a new keypair.