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/OpenJDK 21

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.

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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).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/spec/ECPublicKeySpec.html