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.asn1.misc;

import org.bouncycastle.asn1.*;

public class VerisignCzagExtension
    extends DERIA5String
{
    public VerisignCzagExtension(
        DERIA5String str)
    {
        super(str.getString());
    }

    public String toString()
    {
        return "VerisignCzagExtension: " + this.getString();
    }
}