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.util;

import java.io.IOException;


Interface implemented by objects that can be converted into byte arrays.

/**
 * Interface implemented by objects that can be converted into byte arrays.
 */
public interface Encodable
{
    
Return a byte array representing the implementing object.

Throws:
  • IOException – if an issue arises generation the encoding.
Returns:a byte array representing the encoding.
/**
     * Return a byte array representing the implementing object.
     *
     * @return a byte array representing the encoding.
     * @throws java.io.IOException if an issue arises generation the encoding.
     */
    byte[] getEncoded()
        throws IOException;
}