Master of Science thesis Fighting Spam

System.out.println("signature: "+signature.length);
//System.out.println("cert size: "+cert.getEncoded().length);
//System.out.println("cert: "+cert);
return cert == null ? signature.length : signature.length +
cert.getEncoded().length;
}
catch(CertificateEncodingException ex)
{
}
return -1;
}
public String toString()
{
String s = "";
if(cert != null)
s += "Certificate identification: " + ((X509Certificate)
cert).getSubjectDN().getName() + "\t";
else
s += "Certificate identification: none \t";
"\n";
}
}
if(signature != null)
s += "Signature: " + /*Cryptotools.byteToHexString(signature)*/signature[0] +
else
s += "Signature: none\n\n";
return s;
10.2.6 UnencryptedTransactionlist
package SpamCash.Currency;
import java.util.Vector;
import SpamCash.Utilities.Cryptotools;
import SpamCash.Utilities.Debugger;
import java.security.cert.Certificate;
import java.security.interfaces.RSAPublicKey;
import org.logi.crypto.sign.Fingerprint;
import java.util.Enumeration;
import java.security.interfaces.RSAPrivateKey;
import org.logi.crypto.sign.Signature;
import SpamCash.Utilities.FileHandler;
import SpamCash.Client.MailHandler.MailFunctions;
import java.security.cert.X509Certificate;
import java.util.StringTokenizer;
import java.security.Security;
import javax.crypto.SecretKey;
import SpamCash.Currency.EncryptedTransactionlist;
public class UnencryptedTransactionlist implements Transactionlist,java.io.Serializable
{
public Vector list;
public UnencryptedTransactionlist(TransactionlistElement elem)
{
list = new Vector();
addElement(elem);
}
public UnencryptedTransactionlist(UnencryptedTransactionlist tlist)
{
this.list = new Vector();
for(int i = 0; i < tlist.list.size(); i++)
{
320