javax.crypto.spec

Class DHParameterSpec

java.lang.Object

javax.crypto.spec.DHParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec

public class DHParameterSpec
extends Object
implements AlgorithmParameterSpec

The algorithm parameter specification for the Diffie-Hellman algorithm.

Constructor Summary

Constructors

Constructor and Description
DHParameterSpec(BigInteger p, BigInteger g) Creates a new DHParameterSpec instance with the specified prime modulus and base generator.
DHParameterSpec(BigInteger p, BigInteger g, int l) Creates a new DHParameterSpec instance with the specified prime modulus, base generator and size (in bits) of the random exponent.

Method Summary

Modifier and Type	Method and Description
BigInteger	getG() Returns the base generator of this parameter specification.
int	getL() Returns the size (in bits) of the random exponent.
BigInteger	getP() Returns the prime modulus of this parameter specification.

Methods inherited from class java.lang.Object

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

Constructor Detail

DHParameterSpec

public DHParameterSpec(BigInteger p,
                       BigInteger g)

Creates a new DHParameterSpec instance with the specified prime modulus and base generator.

Parameters:

p - the prime modulus.

g - the base generator.

DHParameterSpec

public DHParameterSpec(BigInteger p,
                       BigInteger g,
                       int l)

Creates a new DHParameterSpec instance with the specified prime modulus, base generator and size (in bits) of the random exponent.

Parameters:

p - the prime modulus.

g - the base generator.

l - the size of the random exponent (in bits).

Method Detail

getP

public BigInteger getP()

Returns the prime modulus of this parameter specification.

Returns:

the prime modulus.

getG

public BigInteger getG()

Returns the base generator of this parameter specification.

Returns:

the base generator.

getL

public int getL()

Returns the size (in bits) of the random exponent.

Returns:

the size (in bits) of the random exponent.