Class 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 Description
ECPublicKeySpec​(ECPoint w, ECParameterSpec params)

Creates a new ECPublicKeySpec with the specified parameter values.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description
ECParameterSpec getParams()

Returns the associated elliptic curve domain parameters.

ECPoint getW()

Returns the public point W.

Methods declared in 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.