Java™ Platform
Standard Ed. 6

java.security.spec
Class ECPublicKeySpec

java.lang.Object
  extended by 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
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.

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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