public Ticket(Key key, User from, Key shareKeys)
{
Ticket_NoEncrypted tne = new Ticket_NoEncrypted();
tne.from = from;
tne.shareKeys = shareKeys;
this.encrypted = DesEncryption.EncryptObject(tne, key);
}
public Tgt(Key k_kdc, User u, Key ks_a)
{
TgtNoEncrypted tgtNoEncrypted = new TgtNoEncrypted();
tgtNoEncrypted.u = u;
tgtNoEncrypted.ks_a = ks_a;
this.encrypted = DesEncryption.EncryptObject(tgtNoEncrypted, k_kdc);
}
public KRB_TGS_REP(Key key, User reqUser, Key k_ab, Ticket ticket)
{
KRB_TGS_REP_NoEncrypted noEncrypt = new KRB_TGS_REP_NoEncrypted();
noEncrypt.reqUser = reqUser;
noEncrypt.k_ab = k_ab;
noEncrypt.ticket = ticket;
this.encrypted = DesEncryption.EncryptObject(noEncrypt, key);
}
public static void Main(string[] args)
{
// I have to check the args
string userName = args[0];
string userRemo = args[1];
Key aliceKey = new Key("ABCDEFGH");
#region Throw our server
string confFile = Application.ExecutablePath + "." + userName.ToLower() + ".config";
Console.WriteLine(confFile);
RemotingConfiguration.Configure(confFile , false);
#endregion
#region Connection with server
System.Configuration.AppSettingsReader configurationAppSettings =
new System.Configuration.AppSettingsReader();
//String url = (string)ConfigurationSettings.AppSettings["RemotingUrl"];
String url =
IKdc kdc = (IKdc)Activator.GetObject(typeof(ShareClasses.IKdc), url);
#endregion
#region AS_REQ
User alice = new User(userName);
KRB_AS_REQ asReq = new KRB_AS_REQ(alice);
KRB_AS_REP asRep = kdc.AS(asReq);
#endregion
#region TGS_REQ
User bob = new User(userRemo);
Authenticator auth = new Authenticator(aliceKey);
KRB_TGS_REQ tgsReq = new KRB_TGS_REQ(asRep.GetTGT(aliceKey), auth, bob);
KRB_TGS_REP tgsRep = kdc.TGS(tgsReq);
#endregion
#region AP_REQ
Ticket ticket = tgsRep.GetTicket(aliceKey);
string bobUrl = (string)ConfigurationSettings.AppSettings["RemotingUser"];
Server bobServer = (Server)Activator.GetObject(typeof(Workstation.Server), bobUrl);
KRB_AP_REQ apReq = new KRB_AP_REQ(ticket, auth);
KRB_AP_REP apRep = bobServer.AP(apReq);
#endregion
}
private Key GetUserKey(User u)
{
MySQLQueries mysql = new MySQLQueries(
ConfigurationSettings.AppSettings["db_host"], ConfigurationSettings.AppSettings["db_db"],
ConfigurationSettings.AppSettings["db_user"], ConfigurationSettings.AppSettings["db_pass"]);
mysql.OpenConnection();
string sqlq = "SELECT `key` FROM `" + ConfigurationSettings.AppSettings["db_tb_users"] + "` WHERE `user`=\"" + u.Name + "\";";
IDataReader reader = mysql.Select(sqlq);
reader.Read();
Key k_a = new Key((string) reader["key"]);
mysql.CloseConnection();
return k_a;
// Possible exceptions:
// - User doesn't exists
// - MySQL connexion problem
}
public KRB_TGS_REQ(Tgt tgt, Authenticator authenticator, User reqUser)
{
this.tgt = tgt;
this.authenticator = authenticator;
this.reqUser = reqUser;
}
public KRB_AS_REQ(User user)
{
this.user = user;
}