public LinuxTpmDevice(string tpmDevicePath = null)
{
_tpmDevicePath = tpmDevicePath ?? "/dev/tpmrm0";
//Tpm2Device dev = new LinuxTpmDevice("/dev/tpmrm0");
try
{
Connect();
}
catch (Exception)
{
//Console.WriteLine("Failed to connect to " + tpmDevicePath);
// If the first attempt to connect was to the kernel mode TRM,
// then try to connect to the raw TPM device, and vice versa.
_tpmDevicePath = _tpmDevicePath.Contains("/dev/tpmrm")
? _tpmDevicePath.Replace("/dev/tpmrm", "/dev/tpm") : "/dev/tpmrm0";
try
{
Connect();
}
catch (Exception)
{
//Console.WriteLine("Failed to connect to " + tpmDevicePath);
Debug.Assert(_tpmIO == null);
TrmDevice = new TcpTpmDevice("127.0.0.1", 2323, false, true);
TrmDevice.Connect();
}
}
Close();
}
public Tbs(Tpm2Device theUnderlyingTpm, bool tpmHasRm)
{
TpmDevice = theUnderlyingTpm;
Tpm = new Tpm2(TpmDevice);
ContextManager = new ObjectContextManager();
if (!tpmHasRm)
{
CleanTpm();
}
}
public Tbs(Tpm2Device theUnderlyingTpm, bool tpmHasRm)
{
TpmDevice = theUnderlyingTpm;
Tpm = new Tpm2(TpmDevice);
ContextManager = new ObjectContextManager();
if (!tpmHasRm)
{
CleanTpm();
}
}
protected override void Dispose(bool disposing)
{
Close();
if (disposing)
{
if (_tpmIO != null)
{
_tpmIO.Dispose();
_tpmIO = null;
}
if (TrmDevice != null)
{
TrmDevice.Dispose();
TrmDevice = null;
}
}
}
public LinuxTpmDevice(string tpmDevicePath = null)
{
_tpmDevicePath = tpmDevicePath ?? "/dev/tpm0";
// _tpmDevicePath = tpmDevicePath ?? "/dev/tpmrm0";
try
{
Connect();
}
catch (Exception)
{
//Console.WriteLine("Failed to connect to " + tpmDevicePath);
try
{
TctiCtx = AbrmdWrapper.Load(out TctiCtxPtr);
}
catch (Exception e)
{
Console.WriteLine($"Exception while loading tpm2-abrmd: {e}");
}
if (TctiCtx == null)
{
// If the first attempt to connect was to the kernel mode TRM,
// then try to connect to the raw TPM device, and vice versa.
_tpmDevicePath = _tpmDevicePath.Contains("/dev/tpmrm")
? _tpmDevicePath.Replace("/dev/tpmrm", "/dev/tpm") : "/dev/tpmrm0";
try
{
Connect();
}
catch (Exception)
{
//Console.WriteLine("Failed to connect to " + tpmDevicePath);
Debug.Assert(_tpmIO == null);
TrmDevice = new TcpTpmDevice("127.0.0.1", 2323, false, true);
TrmDevice.Connect();
}
}
}
Close();
}
public void DestroyContext(Tpm2Device tpmDevice)
{
throw new NotImplementedException("");
}
public TpmPassThroughDevice(Tpm2Device underlyingDevice)
{
Device = underlyingDevice;
}
public void DestroyContext(Tpm2Device tpmDevice)
{
throw new NotImplementedException("");
}
/// <summary>
/// A Tpm2 must be created attached to an underlying device
/// </summary>
/// <param name="device"></param>
/// <param name="mode"></param>
public Tpm2(Tpm2Device device, Behavior b = Behavior.Default)
{
Device = device;
_Behavior = b;
Sessions = new SessionBase[0];
Helpers = new TpmHelpers(this);
}
public void Dispose()
{
if (Device != null)
{
Device.Dispose();
}
Device = null;
}
