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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.sig;

import org.bouncycastle.bcpg.SignatureSubpacket;
import org.bouncycastle.bcpg.SignatureSubpacketTags;

/**
 * packet giving trust.
 */
public class TrustSignature 
    extends SignatureSubpacket
{    
    private static byte[] intToByteArray(
        int    v1,
        int    v2)
    {
        byte[]    data = new byte[2];
        
        data[0] = (byte)v1;
        data[1] = (byte)v2;
        
        return data;
    }
    
    public TrustSignature(
        boolean    critical,
        boolean    isLongLength,
        byte[]     data)
    {
        super(SignatureSubpacketTags.TRUST_SIG, critical, isLongLength, data);
    }
    
    public TrustSignature(
        boolean    critical,
        int        depth,
        int        trustAmount)
    {
        super(SignatureSubpacketTags.TRUST_SIG, critical, false, intToByteArray(depth, trustAmount));
    }
    
    public int getDepth()
    {
        return data[0] & 0xff;
    }
    
    public int getTrustAmount()
    {
        return data[1] & 0xff;
    }
}