org.bouncycastle.bcpg.RSAPublicBCPGKey Maven / Gradle / Ivy
package org.bouncycastle.bcpg;
import java.math.BigInteger;
import java.io.*;
/**
* base class for an RSA Public Key.
*/
public class RSAPublicBCPGKey
extends BCPGObject implements BCPGKey
{
MPInteger n;
MPInteger e;
/**
* Construct an RSA public key from the passed in stream.
*
* @param in
* @throws IOException
*/
public RSAPublicBCPGKey(
BCPGInputStream in)
throws IOException
{
this.n = new MPInteger(in);
this.e = new MPInteger(in);
}
/**
*
* @param n the modulus
* @param e the public exponent
*/
public RSAPublicBCPGKey(
BigInteger n,
BigInteger e)
{
this.n = new MPInteger(n);
this.e = new MPInteger(e);
}
public BigInteger getPublicExponent()
{
return e.getValue();
}
public BigInteger getModulus()
{
return n.getValue();
}
/**
* return "PGP"
*
* @see org.bouncycastle.bcpg.BCPGKey#getFormat()
*/
public String getFormat()
{
return "PGP";
}
/**
* return the standard PGP encoding of the key.
*
* @see org.bouncycastle.bcpg.BCPGKey#getEncoded()
*/
public byte[] getEncoded()
{
try
{
return super.getEncoded();
}
catch (IOException e)
{
return null;
}
}
public void encode(
BCPGOutputStream out)
throws IOException
{
out.writeObject(n);
out.writeObject(e);
}
}