public static void Main(string[] args)
{
string quoteMe = "Hallo IAIK!";
byte[] quoteMeBytes = System.Text.Encoding.ASCII.GetBytes(quoteMe);
// Establish Connections
IDictionary <string, TPMSession> sessions =
XMLConfiguration.EstablischConnection(base_path + "ClientConfigXml/UnixSocketDeviceLin.xml");
// Create one keystore per opened session
foreach (TPMSession tpmSes in sessions.Values)
{
tpmSes.Keystore = new InMemoryKeystore();
}
TPMSession sessionToUse = sessions["local0"];
sessionToUse.SetRequestSecretCallback(RequestSecret);
ClientKeyHandle myFirstSignKey =
sessionToUse.KeyClient.GetSrkKeyHandle().CreateKey("my_first_sign_key", TPMKeyUsage.TPM_KEY_SIGNING);
ISigner signer = myFirstSignKey.CreateSigner();
signer.Init(true, null);
signer.BlockUpdate(quoteMeBytes, 0, quoteMeBytes.Length);
byte[] quote = signer.GenerateSignature();
Console.WriteLine("Sign of \"Hallo IAIK\" is:\n" + ByteHelper.ByteArrayToHexString(quote));
Console.WriteLine();
Console.WriteLine("Now we would verify this sign.");
signer.Reset();
signer.Init(false, null);
signer.BlockUpdate(quoteMeBytes, 0, quoteMeBytes.Length);
if (signer.VerifySignature(quote) == true)
{
Console.WriteLine("Sign is OK!");
}
else
{
Console.WriteLine("UUUUPPPPSSS something went wrong!");
}
}
public override void Execute(string[] commandline)
{
if (commandline.Length < 2)
{
_console.Out.WriteLine("Error: [local_session_alias] not specified");
return;
}
else if (commandline.Length < 3)
{
_console.Out.WriteLine("Error: [command] not specified");
return;
}
ClientContext ctx = _console.GetValue <ClientContext> ("client_context", null);
if (ctx == null)
{
_console.Out.WriteLine("No active connection was found");
return;
}
string localAlias = commandline[1];
IDictionary <string, TPMSession> tpmSessions = _console.GetValue <IDictionary <string, TPMSession> > ("tpm_sessions", null);
if (tpmSessions == null || tpmSessions.ContainsKey(localAlias) == false)
{
_console.Out.WriteLine("Error: Specified local alias was not found");
return;
}
if (tpmSessions[localAlias].Keystore == null)
{
_console.Out.WriteLine("Error: No keystore was opened");
return;
}
string subCommand = commandline[2];
IDictionary <string, string> arguments = _console.SplitArguments(commandline[3], 0);
if (arguments.ContainsKey("name") == false)
{
_console.Out.WriteLine("Error: no key name was specified");
return;
}
// if(arguments.ContainsKey("pcr") == false)
// {
// _console.Out.WriteLine("Error: no pcr values where specified");
// return;
// }
if (arguments.ContainsKey("data_input") == false)
{
_console.Out.WriteLine("Error: no data input source specified");
return;
}
DataInputMode dataInputMode;
try
{
dataInputMode = (DataInputMode)Enum.Parse(typeof(DataInputMode), arguments["data_input"], true);
}
catch (Exception)
{
_console.Out.WriteLine("Error: Invalid data input source");
return;
}
DataFormat inputDataFormat = DataFormat.Raw;
if (arguments.ContainsKey("input_data_format"))
{
try
{
inputDataFormat = (DataFormat)Enum.Parse(typeof(DataFormat), arguments["input_data_format"], true);
}
catch (Exception)
{
_console.Out.WriteLine("Error: Invalid input data format");
return;
}
}
if (dataInputMode == DataInputMode.File && arguments.ContainsKey("file") == false)
{
_console.Out.WriteLine("Error: data_input=file requires file argument!");
return;
}
ClientKeyHandle keyHandle = tpmSessions[localAlias].KeyClient.GetKeyHandleByFriendlyName(arguments["name"]);
Stream inputStream = null;
if (dataInputMode == DataInputMode.Console)
{
inputStream = new TextReaderStream(_console.In);
}
else if (dataInputMode == DataInputMode.Embedded)
{
if (commandline.Length <= 3)
{
_console.Out.WriteLine("Error: no embedded data");
return;
}
StringBuilder embeddedData = new StringBuilder();
for (int i = 3; i < commandline.Length; i++)
{
embeddedData.Append(commandline[i]);
if (i + 1 < commandline.Length)
{
embeddedData.Append(" ");
}
}
inputStream = new TextReaderStream(new StringReader(embeddedData.ToString()));
}
else if (dataInputMode == DataInputMode.File)
{
inputStream = new FileStream(arguments["file"], FileMode.Open, FileAccess.Read);
}
if (inputDataFormat == DataFormat.Hex)
{
inputStream = new HexFilterStream(inputStream);
}
ISigner signatureGenerator = null;
if (subCommand == "verify")
{
signatureGenerator = keyHandle.CreateSigner();
signatureGenerator.Init(false, null);
}
else if (subCommand == "generate")
{
signatureGenerator = keyHandle.CreateSigner();
signatureGenerator.Init(true, null);
}
else if (subCommand == "generate_quote" || subCommand == "verify_quote")
{
if (arguments.ContainsKey("pcr") == false)
{
_console.Out.WriteLine("Error: No pcrs specified!");
return;
}
TPMPCRSelection pcrSelection = tpmSessions[localAlias].CreateEmptyPCRSelection();
foreach (string pcr in arguments["pcr"].Split('|'))
{
int pcrValue = int.Parse(pcr);
pcrSelection.PcrSelection.SetBit(pcrValue - 1, true);
}
signatureGenerator = keyHandle.CreateQuoter(pcrSelection);
signatureGenerator.Init(subCommand == "generate_quote", null);
}
byte[] buffer = new byte[1024];
int read = 0;
do
{
read = inputStream.Read(buffer, 0, buffer.Length);
signatureGenerator.BlockUpdate(buffer, 0, read);
}while(read > 0);
_console.Out.WriteLine(ByteHelper.ByteArrayToHexString(signatureGenerator.GenerateSignature()));
_console.Out.WriteLine();
inputStream.Dispose();
}
