javax.crypto.spec

Class DHPublicKeySpec

java.lang.Object

javax.crypto.spec.DHPublicKeySpec

All Implemented Interfaces:

java.security.spec.KeySpec

public class DHPublicKeySpec
extends java.lang.Object
implements java.security.spec.KeySpec

This class specifies a Diffie-Hellman public key with its associated parameters.

Note that this class does not perform any validation on specified parameters. Thus, the specified values are returned directly even if they are null.

Since:

1.4

See Also:

DHPrivateKeySpec

Constructor Summary

Constructors

Constructor and Description
DHPublicKeySpec(java.math.BigInteger y, java.math.BigInteger p, java.math.BigInteger g) Constructor that takes a public value y, a prime modulus p, and a base generator g.

Method Summary

Modifier and Type	Method and Description
java.math.BigInteger	getG() Returns the base generator g.
java.math.BigInteger	getP() Returns the prime modulus p.
java.math.BigInteger	getY() Returns the public value y.

Methods inherited from class java.lang.Object

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

Constructor Detail

DHPublicKeySpec

public DHPublicKeySpec(java.math.BigInteger y,
                       java.math.BigInteger p,
                       java.math.BigInteger g)

Constructor that takes a public value y, a prime modulus p, and a base generator g.

Parameters:

y - public value y

p - prime modulus p

g - base generator g

Method Detail

getY

public java.math.BigInteger getY()

Returns the public value y.

Returns:

the public value y

getP

public java.math.BigInteger getP()

Returns the prime modulus p.

Returns:

the prime modulus p

getG

public java.math.BigInteger getG()

Returns the base generator g.

Returns:

the base generator g