private void RetrievePpiInfo()
{
WriteConsoleDebug("Creating TBS context ...");
var tbsContextParams = new TBS_CONTEXT_PARAMS2 {
flags = TBS_CONTEXT_PARAMS2_FLAGS.includeTpm12 | TBS_CONTEXT_PARAMS2_FLAGS.includeTpm20
};
CheckTbsResult(Tbsi_Context_Create(tbsContextParams, out var tbsContext));
WriteConsoleVerbose("Retrieving PPI version ...");
var ppiVersionCommand = new byte[] { 0x01, 0x00, 0x00, 0x00 };
var ppiVersionOutput = new byte[16];
var ppiVersionLength = (uint)ppiVersionOutput.Length;
CheckTbsResult(Tbsi_Physical_Presence_Command(tbsContext,
ppiVersionCommand,
(uint)ppiVersionCommand.Length,
ppiVersionOutput,
ref ppiVersionLength));
PhysicalPresenceVersion = Encoding.ASCII.GetString(ppiVersionOutput).Trim('\0').Trim();
WriteConsoleDebug("Closing TBS context ...");
CheckTbsResult(Tbsip_Context_Close(tbsContext));
}
internal static extern TBS_RESULT Tbsi_Context_Create(TBS_CONTEXT_PARAMS2 pContextParams, out IntPtr phContext);
