java.security.spec
Class ECPublicKeySpec

java.lang.Object   
  java.security.spec.ECPublicKeySpec

All Implemented Interfaces:

KeySpec

public class ECPublicKeySpec
extends Object   
implements KeySpec   

This immutable class specifies an elliptic curve public key with its associated parameters.

Since:

1.5

See Also:

KeySpec , ECPoint , ECParameterSpec

Constructor Summary

ECPublicKeySpec (ECPoint w, ECParameterSpec params)
Creates a new ECPublicKeySpec with the specified parameter values.

Method Summary

ECParameterSpec	getParams () Returns the associated elliptic curve domain parameters.
ECPoint	getW () Returns the public point W.

Methods inherited from class java.lang.Object

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

Constructor Detail

ECPublicKeySpec

public ECPublicKeySpec(ECPoint    w,
                       ECParameterSpec    params)

Creates a new ECPublicKeySpec with the specified parameter values.

Parameters:

w - the public point.

params - the associated elliptic curve domain parameters.

Throws:

NullPointerException - if w or params is null.

IllegalArgumentException - if w is point at infinity, i.e. ECPoint.POINT_INFINITY

Method Detail

getW

public ECPoint    getW()

Returns the public point W.

Returns:

the public point W.

getParams

public ECParameterSpec    getParams()

Returns the associated elliptic curve domain parameters.

Returns:

the EC domain parameters.