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

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.