Master of Science thesis Fighting Spam

public class CryptoPacket extends NetPacket implements java.io.Serializable
{
public byte[] data;
public InetAddress senderAddress;
}
public CryptoPacket(byte[] data)
{
this.data = data;
try
{
senderAddress = InetAddress.getLocalHost();
}
catch(Exception e)
{
Debugger.debug(getClass(),3,"Cryptopacket error:",e);
}
}
public String toString()
{
StringBuffer strbuf = new StringBuffer(data.length * 2);
int i;
for(i = 0; i < data.length; i++)
{
if(((int) data[i] & 0xff) < 0x10)
strbuf.append("0");
strbuf.append(Long.toString((int) data[i] & 0xff, 16));
}
return (""+getClass()).substring(6) + ": "+strbuf.toString();
}
10.3.7 CurrencyBlindingFactorPacket
package SpamCash.NetworkPackets;
import java.security.cert.Certificate;
import org.logi.crypto.keys.RSABlindingFactor;
import SpamCash.Currency.Coin;
import java.math.BigInteger;
public class CurrencyBlindingFactorPacket extends NetPacket
{
private BigInteger[][] bigIntegers;
public Coin[][] coins;
public Certificate certificate;
public CurrencyBlindingFactorPacket(RSABlindingFactor[][] blindingFactors,Coin[][]
coins,Certificate certificate)
{
bigIntegers = new BigInteger[blindingFactors.length][blindingFactors[0].length];
}
for(int i=0;i