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;

public class ASN1Boolean
    extends DERBoolean
{
    public ASN1Boolean(boolean value)
    {
        super(value);
    }

    ASN1Boolean(byte[] value)
    {
        super(value);
    }
}