W3cubDocs

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:

Constructor Summary

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

Method Summary

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 Details

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 Details

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.

© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/spec/ECPublicKeySpec.html