static void Sign()
{
using (Tpm2Device tpmDevice = Examples.GetSimulator())
{
tpmDevice.Connect();
using (var tpm = new Tpm2(tpmDevice))
{
if (tpmDevice is TcpTpmDevice)
{
tpmDevice.PowerCycle();
}
CreateRsaPrimaryKey(tpm, tpmDevice is TcpTpmDevice);
var keyTemplate = new TpmPublic(TpmAlgId.Sha1, // Name algorithm
ObjectAttr.UserWithAuth | ObjectAttr.Sign | // Signing key
ObjectAttr.FixedParent | ObjectAttr.FixedTPM | // Non-migratable
ObjectAttr.SensitiveDataOrigin,
null, // No policy
new RsaParms(new SymDefObject(),
new SchemeRsassa(TpmAlgId.Sha1), 2048, 0),
new Tpm2bPublicKeyRsa());
var ownerAuth = new AuthValue();
var keyAuth = new byte[] { 1, 2, 3 };
TpmPublic keyPublic;
CreationData creationData;
TkCreation creationTicket;
byte[] creationHash;
TpmHandle keyHandle = tpm[ownerAuth].CreatePrimary(
TpmRh.Owner, // In the owner-hierarchy
new SensitiveCreate(keyAuth, null), // With this auth-value
keyTemplate, // Describes key
null, // Extra data for creation ticket
new PcrSelection[0], // Non-PCR-bound
out keyPublic, // PubKey and attributes
out creationData, out creationHash, out creationTicket); // Not used here
//
// Print out text-versions of the public key just created
//
Console.WriteLine("New public key\n" + keyPublic.ToString());
byte[] message = Encoding.Unicode.GetBytes("ABC");
TpmHash digestToSign = TpmHash.FromData(TpmAlgId.Sha1, message);
var signature = tpm[keyAuth].Sign(keyHandle, // Handle of signing key
digestToSign, // Data to sign
null, // Use key's scheme
TpmHashCheck.Null()) as SignatureRsassa;
//
// Print the signature.
//
Console.WriteLine("Signature: " + BitConverter.ToString(signature.sig));
bool sigOk = keyPublic.VerifySignatureOverData(message, signature);
if (!sigOk)
{
throw new Exception("Signature did not validate.");
}
Console.WriteLine("Verified signature with TPM2lib (software implementation).");
TpmHandle pubHandle = tpm.LoadExternal(null, keyPublic, TpmRh.Owner);
tpm.VerifySignature(pubHandle, digestToSign, signature);
Console.WriteLine("Verified signature with TPM.");
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
using (var client = TpmClient.CreateSimulatorClient())
{
var helloWorld = Encoding.UTF8.GetBytes("Hello World");
var cipher = RsaExamples.RsaEncrypt(client.Tpm, helloWorld);
var decipher = RsaExamples.RsaDecrypt(client.Tpm, cipher);
var helloWorld2 = Encoding.UTF8.GetString(decipher);
return;
Examples.PrintCommandss(client.Tpm);
Examples.CreateTwoPrimaries(client.Tpm);
Examples.EncryptDecrypt(client.Tpm);
return;
var r = client.Tpm.GetRandom(10);
Console.WriteLine(client.Tpm._GetUnderlyingDevice().HasRM());
CreateRsaPrimaryKey(client.Tpm, false);
Examples.NVReadWrite(client.Tpm);
Examples.NVCounter(client.Tpm);
Examples.AvailablePCRBanks(client.Tpm);
Examples.PrintAlgorithms(client.Tpm);
}
return;
using (var client = TpmClient.CreateDeviceClient())
{
Examples.AvailablePCRBanks(client.Tpm);
Examples.PrintAlgorithms(client.Tpm);
Examples.PrintCommandss(client.Tpm);
}
return;
Sign();
return;
var data = Encoding.UTF8.GetBytes("Hello World");
Examples.SaveValueIntoTpm(3001, data, data.Length, _authValue);
Examples.ReadValueFromTpm(3001, data.Length, _authValue);
return;
Examples.GetHardwareDeviceName();
return;
Examples.GetDeviceId();
return;
Examples.ConnectLocal();
Examples.ConnectSimulator();
using (var device = Examples.Connect(useSimulator))
{
//Examples.AvailablePCRBanks(device);
}
return;
ReadPcr();
Sign();
try
{
using (Tpm2Device tpmDevice = new TbsDevice())
{
tpmDevice.Connect();
using (var tpm = new Tpm2(tpmDevice))
{
ICapabilitiesUnion caps;
tpm.GetCapability(Cap.Algs, 0, 1000, out caps);
var algsx = (AlgPropertyArray)caps;
Console.WriteLine("Supported algorithms:");
foreach (var alg in algsx.algProperties)
{
Console.WriteLine(" {0}", alg.alg.ToString());
}
Console.WriteLine("Supported commands:");
tpm.GetCapability(Cap.TpmProperties, (uint)Pt.TotalCommands, 1, out caps);
tpm.GetCapability(Cap.Commands, (uint)TpmCc.First, TpmCc.Last - TpmCc.First + 1, out caps);
var commands = (CcaArray)caps;
List <TpmCc> implementedCc = new List <TpmCc>();
foreach (var attr in commands.commandAttributes)
{
var commandCode = (TpmCc)((uint)attr & 0x0000FFFFU);
implementedCc.Add(commandCode);
Console.WriteLine(" {0}", commandCode.ToString());
}
Console.WriteLine("Commands from spec not implemented:");
foreach (var cc in Enum.GetValues(typeof(TpmCc)))
{
if (!implementedCc.Contains((TpmCc)cc))
{
Console.WriteLine(" {0}", cc.ToString());
}
}
//
// As an alternative: call GetCapabilities more than once to obtain all values
//
byte more;
var firstCommandCode = (uint)TpmCc.First;
do
{
more = tpm.GetCapability(Cap.Commands, firstCommandCode, 10, out caps);
commands = (CcaArray)caps;
//
// Commands are sorted; getting the last element as it will be the largest.
//
uint lastCommandCode = (uint)commands.commandAttributes[commands.commandAttributes.Length - 1] & 0x0000FFFFU;
firstCommandCode = lastCommandCode;
} while (more == 1);
//
// Read PCR attributes. Cap.Pcrs returns the list of PCRs which are supported
// in different PCR banks. The PCR banks are identified by the hash algorithm
// used to extend values into the PCRs of this bank.
//
tpm.GetCapability(Cap.Pcrs, 0, 255, out caps);
PcrSelection[] pcrs = ((PcrSelectionArray)caps).pcrSelections;
Console.WriteLine();
Console.WriteLine("Available PCR banks:");
foreach (PcrSelection pcrBank in pcrs)
{
var sb = new StringBuilder();
sb.AppendFormat("PCR bank for algorithm {0} has registers at index:", pcrBank.hash);
sb.AppendLine();
foreach (uint selectedPcr in pcrBank.GetSelectedPcrs())
{
sb.AppendFormat("{0},", selectedPcr);
}
Console.WriteLine(sb);
}
//
// Read PCR attributes. Cap.PcrProperties checks for certain properties of each PCR register.
//
tpm.GetCapability(Cap.PcrProperties, 0, 255, out caps);
Console.WriteLine();
Console.WriteLine("PCR attributes:");
TaggedPcrSelect[] pcrProperties = ((TaggedPcrPropertyArray)caps).pcrProperty;
foreach (TaggedPcrSelect pcrProperty in pcrProperties)
{
if ((PtPcr)pcrProperty.tag == PtPcr.None)
{
continue;
}
uint pcrIndex = 0;
var sb = new StringBuilder();
sb.AppendFormat("PCR property {0} supported by these registers: ", (PtPcr)pcrProperty.tag);
sb.AppendLine();
foreach (byte pcrBitmap in pcrProperty.pcrSelect)
{
for (int i = 0; i < 8; i++)
{
if ((pcrBitmap & (1 << i)) != 0)
{
sb.AppendFormat("{0},", pcrIndex);
}
pcrIndex++;
}
}
Console.WriteLine(sb);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.ReadKey();
}
