compact1, compact2, compact3

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

Constructors

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

Method Summary

Modifier and Type	Method and Description
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.