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;


All BC elliptic curve keys implement this interface. You need to
cast the key to get access to it.


By default BC keys produce encodings without point compression,
to turn this on call setPointFormat() with "COMPRESSED".

/**
 * All BC elliptic curve keys implement this interface. You need to
 * cast the key to get access to it.
 * <p>
 * By default BC keys produce encodings without point compression,
 * to turn this on call setPointFormat() with "COMPRESSED".
 */
public interface ECPointEncoder
{
    
Set the formatting for encoding of points. If the String "UNCOMPRESSED" is passed
in point compression will not be used. If the String "COMPRESSED" is passed point
compression will be used. The default is "UNCOMPRESSED".

Params:
  • style – the style to use.
/**
     * Set the formatting for encoding of points. If the String "UNCOMPRESSED" is passed
     * in point compression will not be used. If the String "COMPRESSED" is passed point
     * compression will be used. The default is "UNCOMPRESSED".
     * 
     * @param style the style to use.
     */
    public void setPointFormat(String style);
}