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. 
package org.bouncycastle.openssl;

import java.io.IOException;

public class EncryptionException
    extends IOException
{
    private Throwable cause;

    public EncryptionException(String msg)
    {
        super(msg);
    }

    public EncryptionException(String msg, Throwable ex)
    {
        super(msg);
        this.cause = ex;
    }

    public Throwable getCause()
    {
        return cause;
    }
}