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The Bouncy Castle Java APIs for the OpenPGP Protocol. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.bcpg;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.bouncycastle.util.Encodable;

/**
 * Basic type for a PGP packet.
 */
public abstract class ContainedPacket
    extends Packet
    implements Encodable
{

    ContainedPacket(int packetTag)
    {
        this(packetTag, false);
    }

    ContainedPacket(int packetTag, boolean newPacketFormat)
    {
        super(packetTag, newPacketFormat);
    }

    public byte[] getEncoded()
        throws IOException
    {
        return getEncoded(PacketFormat.ROUNDTRIP);
    }

    public byte[] getEncoded(PacketFormat format)
            throws IOException
    {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        BCPGOutputStream pOut = new BCPGOutputStream(bOut, format);
        pOut.writePacket(this);
        pOut.close();
        return bOut.toByteArray();
    }
    
    public abstract void encode(
        BCPGOutputStream    pOut)
        throws IOException;
}