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package org.spongycastle.bcpg;
import java.io.*;
import java.math.BigInteger;
/**
* base class for an ElGamal Public Key.
*/
public class ElGamalPublicBCPGKey
extends BCPGObject implements BCPGKey
{
MPInteger p;
MPInteger g;
MPInteger y;
/**
*
*/
public ElGamalPublicBCPGKey(
BCPGInputStream in)
throws IOException
{
this.p = new MPInteger(in);
this.g = new MPInteger(in);
this.y = new MPInteger(in);
}
public ElGamalPublicBCPGKey(
BigInteger p,
BigInteger g,
BigInteger y)
{
this.p = new MPInteger(p);
this.g = new MPInteger(g);
this.y = new MPInteger(y);
}
/**
* return "PGP"
*
* @see org.spongycastle.bcpg.BCPGKey#getFormat()
*/
public String getFormat()
{
return "PGP";
}
/**
* return the standard PGP encoding of the key.
*
* @see org.spongycastle.bcpg.BCPGKey#getEncoded()
*/
public byte[] getEncoded()
{
try
{
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
BCPGOutputStream pgpOut = new BCPGOutputStream(bOut);
pgpOut.writeObject(this);
return bOut.toByteArray();
}
catch (IOException e)
{
return null;
}
}
public BigInteger getP()
{
return p.getValue();
}
public BigInteger getG()
{
return g.getValue();
}
public BigInteger getY()
{
return y.getValue();
}
public void encode(
BCPGOutputStream out)
throws IOException
{
out.writeObject(p);
out.writeObject(g);
out.writeObject(y);
}
}
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