ECPublicKeySpec (Java SE 12 & JDK 12 )

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:

KeySpec, ECPoint, ECParameterSpec

- Constructor Summary
  
  Constructors
  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 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.