http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.jce.interfaces;

import org.bouncycastle.jce.spec.ECParameterSpec;


generic interface for an Elliptic Curve Key.

/**
 * generic interface for an Elliptic Curve Key.
 */
public interface ECKey
{
    
return a parameter specification representing the EC domain parameters
for the key.

/**
     * return a parameter specification representing the EC domain parameters
     * for the key.
     */
    public ECParameterSpec getParameters();
}