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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;

/**
 * Basic type for a trust packet
 */
public class TrustPacket 
    extends ContainedPacket
{    
    byte[]    levelAndTrustAmount;
    
    public TrustPacket(
        BCPGInputStream  in)
        throws IOException
    {
        ByteArrayOutputStream    bOut = new ByteArrayOutputStream();
        int                      ch;
        
        while ((ch = in.read()) >= 0)
        {
            bOut.write(ch);
        }
        
        levelAndTrustAmount = bOut.toByteArray();
    }
    
    public TrustPacket(
        int    trustCode)
    {
        this.levelAndTrustAmount = new byte[1];
        
        this.levelAndTrustAmount[0] = (byte)trustCode;
    }

    public byte[] getLevelAndTrustAmount()
    {
        return levelAndTrustAmount;
    }

    public void encode(
        BCPGOutputStream    out)
        throws IOException
    {
        out.writePacket(TRUST, levelAndTrustAmount);
    }
}