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:
-
KeySpec
,ECPoint
,ECParameterSpec
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 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
- ifw
orparams
is null. -
IllegalArgumentException
- ifw
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.