private void btnL2ToL1_Click(object sender, EventArgs e)
{
byte[] l2data = new byte[23];
if (textL2Data.Text.Length != 23 * 2 && textL2Data.Text.Length != 23 * 3 - 1)
{
MessageBox.Show(this, "Supply 23 bytes L2 data ...");
textL1burst0.Text = "";
textL1burst1.Text = "";
textL1burst2.Text = "";
textL1burst3.Text = "";
return;
}
ByteUtil.BytesFromString(textL2Data.Text, ref l2data);
bool[][] l1bursts = new bool[4][];
for (int i = 0; i < l1bursts.Length; i++)
{
l1bursts[i] = new bool[114];
}
SDCCHBurst sdcch = new SDCCHBurst();
sdcch.L2DataAdd(l2data);
sdcch.L2ToL1Convert();
sdcch.L1BurstIGet(ref l1bursts);
textL1burst0.Text = ByteUtil.BitsToString(l1bursts[0]);
textL1burst1.Text = ByteUtil.BitsToString(l1bursts[1]);
textL1burst2.Text = ByteUtil.BitsToString(l1bursts[2]);
textL1burst3.Text = ByteUtil.BitsToString(l1bursts[3]);
}
private void btnBoolGadConvert_Click(object sender, EventArgs e)
{
bool inputError = false;
bool dirBoolToGad = radioBoolToGad.Checked;
if (dirBoolToGad)
{
if (textBool0.Text.Length != 114 || textBool1.Text.Length != 114 ||
textBool2.Text.Length != 114 || textBool3.Text.Length != 114)
{
inputError = true;
}
MessageBox.Show("not supported yet!");
return;
}
else
{
byte[] byteBuf = new byte[19];
GSMParameters param = new GSMParameters();
SDCCHBurst sdcch = new SDCCHBurst();
ByteUtil.BytesFromString(textGad0.Text, ref byteBuf);
sdcch.ParseData(param, ByteUtil.BitsFromBytes(byteBuf), 0);
ByteUtil.BytesFromString(textGad1.Text, ref byteBuf);
sdcch.ParseData(param, ByteUtil.BitsFromBytes(byteBuf), 1);
ByteUtil.BytesFromString(textGad2.Text, ref byteBuf);
sdcch.ParseData(param, ByteUtil.BitsFromBytes(byteBuf), 2);
ByteUtil.BytesFromString(textGad3.Text, ref byteBuf);
sdcch.ParseData(param, ByteUtil.BitsFromBytes(byteBuf), 3);
bool[][] boolBuf = new bool[4][];
for (int i = 0; i < boolBuf.Length; i++)
{
boolBuf[i] = new bool[114];
}
sdcch.L1BurstEGet(ref boolBuf);
if (boolBuf == null)
{
MessageBox.Show("error reading bits");
return;
}
textBool0.Text = ByteUtil.BitsToString(boolBuf[0]);
textBool1.Text = ByteUtil.BitsToString(boolBuf[1]);
textBool2.Text = ByteUtil.BitsToString(boolBuf[2]);
textBool3.Text = ByteUtil.BitsToString(boolBuf[3]);
}
}
public override byte[] RequestResult(bool[] key1, uint count1, bool[] key2, uint count2)
{
int tries = 0;
/* using a goto label to restart instead of recurse */
restart:
tries++;
if (tries >= 10)
{
Log.AddMessage("KrakenNet", "RequestResult(): Tried to request crack " + tries + " times now... Abort!");
return(null);
}
/* do we have data for this request already in cache? */
string request = "crack " + ByteUtil.BitsToString(key1) + " " + count1 + " " + ByteUtil.BitsToString(key2) + " " + count2;
byte[] result = new byte[8];
if (CheckScanResult(request, ref result))
{
return(result);
}
/* wait until we have a connection */
if (!InKrakenNet)
{
if (Jid != "")
{
Log.AddMessage("KrakenNet", "RequestResult(): Not connected. Waiting until reconnected.");
while (!InKrakenNet)
{
Thread.Sleep(100);
}
}
else
{
Log.AddMessage("KrakenNet", "RequestResult(): Not Configured. Quitting.");
return(null);
}
}
/* no key cached, try to find a node that cracks the key */
NodeStatus node = GetBestNode();
if (node == null)
{
Log.AddMessage("KrakenNet", "RequestResult(): Waiting for (usable) Kraken hosts to appear... " + KrakenNodes.Count + " found, but none in a usable state.");
while (node == null)
{
node = GetBestNode();
Thread.Sleep(100);
/* restart if there are network problems */
if (!InKrakenNet)
{
goto restart;
}
}
}
/* that should not be entered */
if (node == null)
{
Log.AddMessage("KrakenNet", "RequestResult(): No usable node found");
return(null);
}
Log.AddMessage("KrakenNet", "RequestResult(): Will choose " + node.Name + " for cracking.");
/* make sure we enter this only once and lock from changes done in "Disconnect" */
lock (this)
{
KrakenNetConnection conn = null;
lock (Connections)
{
/* already connected? */
if (!Connections.ContainsKey(node.Name))
{
conn = new KrakenNetConnection(Client, node.Name);
Connections.Add(node.Name, conn);
}
}
/* newly added? */
if (conn != null)
{
/* failed to communicate with node? */
if (!conn.Available)
{
/* mark as unusable, remove and recurse */
node.Unusable = true;
conn.CloseConnection();
Connections.Remove(node.Name);
/* repeat until working node found or no more nodes */
goto restart;
}
}
/* is this connection already closed */
if (Connections[node.Name].State != KrakenNetConnection.eConnState.Ready)
{
node.Unusable = true;
Connections.Remove(node.Name);
/* repeat until working node found or no more nodes */
goto restart;
}
/* increase internal sotred node load to decrease node priority */
node.Load += node.Increment;
}
try
{
result = Connections[node.Name].RequestResult(key1, count1, key2, count2);
AddScanResult(request, result);
return(result);
}
catch (ThreadAbortException e)
{
Connections[node.Name].CancelRequest();
throw e;
}
catch (Exception e)
{
Log.AddMessage("KrakenNet", "RequestResult(): Caught '" + e.GetType().ToString() + "'. Retry.");
goto restart;
}
}
public byte[] RequestResult(bool[] key1, uint count1, bool[] key2, uint count2)
{
string request = "crack " + ByteUtil.BitsToString(key1) + " " + count1 + " " + ByteUtil.BitsToString(key2) + " " + count2;
object signal = new object();
StringBuilder result = new StringBuilder();
KrakenJobStatus = KrakenJobStatus.Submitted;
QueueCommand(request, signal, result, int.MaxValue);
lock (signal)
{
if (Monitor.Wait(signal))
{
string ret = result.ToString();
int code = -1;
int id = -1;
string msg = "";
ParseResponseString(ret, out code, out id, out msg);
switch (code)
{
case 200:
CurrentRequestId = -1;
KrakenJobStatus = KrakenJobStatus.Found;
/* split into literals */
string[] fields = ret.Split(' ');
if (fields.Length < 3)
{
return(null);
}
/* the 3rd literal is the found key */
string keystring = fields[2];
byte[] key = new byte[8];
for (int pos = 0; pos < 8; pos++)
{
string byteStr = keystring.Substring(pos * 2, 2);
if (!byte.TryParse(byteStr, System.Globalization.NumberStyles.HexNumber, null, out key[pos]))
{
key = null;
break;
}
}
ParseSearchDuration(ret);
return(key);
case 404:
/* key not found */
CurrentRequestId = -1;
KrakenJobStatus = KrakenJobStatus.NotFound;
ParseSearchDuration(ret);
return(null);
case 405:
/* job was cancelled */
CurrentRequestId = -1;
KrakenJobStatus = KrakenJobStatus.Cancelled;
return(null);
default:
Log.AddMessage(Remote, "Last message unhandled");
break;
}
}
}
return(null);
}
public virtual byte[] RequestResult(bool[] key1, uint count1, bool[] key2, uint count2)
{
if (!Connected)
{
Reconnect();
}
lock (this)
{
string request = "crack " + ByteUtil.BitsToString(key1) + " " + count1 + " " + ByteUtil.BitsToString(key2) + " " + count2;
byte[] result = new byte[8];
RequestId = -1;
Log.AddMessage("Kraken: > '" + request.Substring(0, 35) + "...'");
/* do we have data for this request already in cache? */
if (CheckScanResult(request, ref result))
{
return(result);
}
try
{
/* try a few times to get the key cracked */
for (int tries = 0; tries < 3; tries++)
{
DataStream.Flush();
Write(request);
KrakenJobStatus = KrakenJobStatus.Submitted;
result = GetResult();
if (result != null)
{
/* found valid key, add result and jump out of loop */
AddScanResult(request, result);
break;
}
else if (KrakenJobStatus == KrakenJobStatus.NotFound)
{
/* found no valid key, add result and jump out of loop */
AddScanResult(request, result);
break;
}
else
{
/* there went something wrong */
KrakenJobStatus = KrakenJobStatus.Unknown;
Log.AddMessage("KrakenClient", "Failed to crack. Reconnecting");
Reconnect();
/* cancel old job with the new connection */
if (RequestId != -1)
{
Log.AddMessage("KrakenClient", " + cancel job " + RequestId);
Write("cancel " + RequestId);
RequestId = -1;
}
}
}
}
catch (ThreadAbortException ex)
{
/* try to cancel job with new connection */
if (RequestId != -1)
{
Log.AddMessage("KrakenClient", "Aborting. Reconnecting to cancel job" + RequestId);
Reconnect();
Write("cancel " + RequestId);
Disconnect();
Log.AddMessage("KrakenClient", "Aborting finished");
RequestId = -1;
}
}
RequestId = -1;
return(result);
}
}
private void btnEncryptToL1_Click(object sender, EventArgs e)
{
bool error = false;
if (textL2Data.Text.Length != 23 * 2 && textL2Data.Text.Length != 23 * 3 - 1)
{
MessageBox.Show(this, "Supply 23 bytes L2 data ...");
error = true;
}
if (textKc.Text.Length != 8 * 2)
{
MessageBox.Show(this, "Supply 8 bytes Kc ...");
error = true;
}
if (textFN.Text.Length == 0)
{
MessageBox.Show(this, "Supply frame number ...");
error = true;
}
if (error)
{
textL1crypt0.Text = "";
textL1crypt1.Text = "";
textL1crypt2.Text = "";
textL1crypt3.Text = "";
return;
}
byte[] l2data = new byte[23];
ByteUtil.BytesFromString(textL2Data.Text, ref l2data);
bool[][] l1bursts = new bool[4][];
for (int i = 0; i < l1bursts.Length; i++)
{
l1bursts[i] = new bool[114];
}
SDCCHBurst sdcch = new SDCCHBurst();
sdcch.L2DataAdd(l2data);
sdcch.L2ToL1Convert();
sdcch.L1BurstIGet(ref l1bursts);
/* crypt it */
byte[] kc = new byte[8];
ByteUtil.BytesFromString(textKc.Text, ref kc);
GSMParameters param = new GSMParameters();
param.FN = uint.Parse(textFN.Text);
CryptA5 A5Algo = new CryptA5(kc);
if (radioSameFN.Checked)
{
A5Algo.CryptDownlink(l1bursts[0], param.Count);
A5Algo.CryptDownlink(l1bursts[1], param.Count);
A5Algo.CryptDownlink(l1bursts[2], param.Count);
A5Algo.CryptDownlink(l1bursts[3], param.Count);
}
else
{
A5Algo.CryptDownlink(l1bursts[0], param.Count);
param.FN++;
A5Algo.CryptDownlink(l1bursts[1], param.Count);
param.FN++;
A5Algo.CryptDownlink(l1bursts[2], param.Count);
param.FN++;
A5Algo.CryptDownlink(l1bursts[3], param.Count);
}
textL1crypt0.Text = ByteUtil.BitsToString(l1bursts[0]);
textL1crypt1.Text = ByteUtil.BitsToString(l1bursts[1]);
textL1crypt2.Text = ByteUtil.BitsToString(l1bursts[2]);
textL1crypt3.Text = ByteUtil.BitsToString(l1bursts[3]);
}
