private bool RequestSecurityAccessCIM(int millisecondsToWaitWithResponse)
{
int secondsToWait = millisecondsToWaitWithResponse / 1000;
ulong cmd = 0x0000000000012702; // request security access
CANMessage msg = new CANMessage(0x245, 0, 8);
msg.setData(cmd);
m_canListener.setupWaitMessage(0x645);
CastInfoEvent("Requesting security access to CIM", ActivityType.ConvertingFile);
if (!canUsbDevice.sendMessage(msg))
{
Console.WriteLine("Couldn't send message");
}
CANMessage response = new CANMessage();
response = m_canListener.waitMessage(1000);
//ulong data = response.getData();
Console.WriteLine("---" + response.getData().ToString("X16"));
if (response.getCanData(1) == 0x67)
{
if (response.getCanData(2) == 0x01)
{
CastInfoEvent("Got seed value from CIM", ActivityType.ConvertingFile);
while (secondsToWait > 0)
{
CastInfoEvent("Waiting for " + secondsToWait.ToString() + " seconds...", ActivityType.UploadingBootloader);
Thread.Sleep(1000);
SendKeepAlive();
secondsToWait--;
}
byte[] seed = new byte[2];
seed[0] = response.getCanData(3);
seed[1] = response.getCanData(4);
if (seed[0] == 0x00 && seed[1] == 0x00)
{
return true; // security access was already granted
}
else
{
SeedToKey s2k = new SeedToKey();
byte[] key = s2k.calculateKeyForCIM(seed);
CastInfoEvent("Security access CIM : Key (" + key[0].ToString("X2") + key[1].ToString("X2") + ") calculated from seed (" + seed[0].ToString("X2") + seed[1].ToString("X2") + ")", ActivityType.ConvertingFile);
ulong keydata = 0x0000000000022704;
ulong key1 = key[1];
key1 *= 0x100000000;
keydata ^= key1;
ulong key2 = key[0];
key2 *= 0x1000000;
keydata ^= key2;
msg = new CANMessage(0x245, 0, 8);
msg.setData(keydata);
m_canListener.setupWaitMessage(0x645);
if (!canUsbDevice.sendMessage(msg))
{
Console.WriteLine("Couldn't send message");
}
response = new CANMessage();
response = m_canListener.waitMessage(1000);
// is it ok or not
if (response.getCanData(1) == 0x67 && response.getCanData(2) == 0x02)
{
CastInfoEvent("Security access to CIM granted", ActivityType.ConvertingFile);
return true;
}
}
}
else if (response.getCanData(2) == 0x02)
{
CastInfoEvent("Security access to CIM granted", ActivityType.ConvertingFile);
return true;
}
}
else if (response.getCanData(1) == 0x7F && response.getCanData(2) == 0x27)
{
Console.WriteLine("Casting error");
string info = TranslateErrorCode(response.getCanData(3));
Console.WriteLine("Casting error: " + info);
CastInfoEvent("Error: " + info, ActivityType.ConvertingFile);
}
return false;
}
private bool RequestSecurityAccess011(int millisecondsToWaitWithResponse)
{
int secondsToWait = millisecondsToWaitWithResponse / 1000;
ulong cmd = 0x0000000000FD2702; // request security access
if (_securityLevel == AccessLevel.AccessLevel01)
{
cmd = 0x0000000000012702; // request security access
}
else if (_securityLevel == AccessLevel.AccessLevelFB)
{
cmd = 0x0000000000FB2702; // request security access
}
CANMessage msg = new CANMessage(0x11, 0, 3); //<GS-18052011> ELM327 support requires the length byte
msg.setData(cmd);
m_canListener.setupWaitMessage(0x311);
CastInfoEvent("Requesting security access", ActivityType.ConvertingFile);
if (!canUsbDevice.sendMessage(msg))
{
Console.WriteLine("Couldn't send message");
}
CANMessage response = new CANMessage();
response = m_canListener.waitMessage(1000);
//ulong data = response.getData();
Console.WriteLine("---" + response.getData().ToString("X16"));
if (response.getCanData(1) == 0x67)
{
if (response.getCanData(2) == 0xFD || response.getCanData(2) == 0xFB || response.getCanData(2) == 0x01)
{
CastInfoEvent("Got seed value from ECU", ActivityType.ConvertingFile);
while (secondsToWait > 0)
{
CastInfoEvent("Waiting for " + secondsToWait.ToString() + " seconds...", ActivityType.UploadingBootloader);
Thread.Sleep(1000);
SendKeepAlive();
secondsToWait--;
}
byte[] seed = new byte[2];
seed[0] = response.getCanData(3);
seed[1] = response.getCanData(4);
if (seed[0] == 0x00 && seed[1] == 0x00)
{
return true; // security access was already granted
}
else
{
SeedToKey s2k = new SeedToKey();
byte[] key = s2k.calculateKey(seed, _securityLevel);
CastInfoEvent("Security access : Key (" + key[0].ToString("X2") + key[1].ToString("X2") + ") calculated from seed (" + seed[0].ToString("X2") + seed[1].ToString("X2") + ")", ActivityType.ConvertingFile);
ulong keydata = 0x0000000000FE2704;
if (_securityLevel == AccessLevel.AccessLevel01)
{
keydata = 0x0000000000022704;
}
else if (_securityLevel == AccessLevel.AccessLevelFB)
{
keydata = 0x0000000000FC2704;
}
ulong key1 = key[1];
key1 *= 0x100000000;
keydata ^= key1;
ulong key2 = key[0];
key2 *= 0x1000000;
keydata ^= key2;
msg = new CANMessage(0x11, 0, 5);//<GS-18052011> ELM327 support requires the length byte
msg.setData(keydata);
m_canListener.setupWaitMessage(0x311);
if (!canUsbDevice.sendMessage(msg))
{
Console.WriteLine("Couldn't send message");
}
response = new CANMessage();
response = m_canListener.waitMessage(1000);
// is it ok or not
if (response.getCanData(1) == 0x67 && (response.getCanData(2) == 0xFE || response.getCanData(2) == 0xFC || response.getCanData(2) == 0x02))
{
CastInfoEvent("Security access granted", ActivityType.ConvertingFile);
return true;
}
}
}
else if (response.getCanData(2) == 0xFE || response.getCanData(2) == 0x02)
{
CastInfoEvent("Security access granted", ActivityType.ConvertingFile);
return true;
}
}
else if (response.getCanData(1) == 0x7F && response.getCanData(2) == 0x27)
{
Console.WriteLine("Casting error");
string info = TranslateErrorCode(response.getCanData(3));
Console.WriteLine("Casting error: " + info);
CastInfoEvent("Error: " + info, ActivityType.ConvertingFile);
}
return false;
}
