ECPublicKeySpec (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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java.security.spec
Class ECPublicKeySpec

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

All Implemented Interfaces:: KeySpec

public class ECPublicKeySpec
extends Object
implements KeySpec
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 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.