ECPublicKeySpec (Java 2 Platform SE 5.0) (original) (raw)

java.security.spec

Class ECPublicKeySpec

java.lang.Object extended by 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](../../../java/security/spec/ECPublicKeySpec.html#ECPublicKeySpec%28java.security.spec.ECPoint, java.security.spec.ECParameterSpec%29)(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](../../../java/lang/Object.html#wait%28long, int%29)

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](../../../java/lang/NullPointerException.html "class in java.lang") - if w or params is null.

[IllegalArgumentException](../../../java/lang/IllegalArgumentException.html "class in java.lang") - 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.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.