コード例 #1
0
ファイル: Tpm2.cs プロジェクト: vishalishere/TSS.MSR
        public static void SplitResponse(
            byte[] response,
            uint numHandles,
            out TpmSt tag,
            out uint paramSize,
            out TpmRc responseCode,
            out TpmHandle[] handles,
            out SessionOut[] sessions,
            out byte[] responseParmsNoHandles,
            out byte[] responseParmsWithHandles)
        {
            var m = new Marshaller(response);
            tag = m.Get<TpmSt>();
            paramSize = m.Get<uint>();
            responseCode = m.Get<TpmRc>();
            // If error we only get the header
            if (responseCode != TpmRc.Success)
            {
                handles = new TpmHandle[0];
                sessions = new SessionOut[0];
                responseParmsNoHandles = new byte[0];
                responseParmsWithHandles = new byte[0];
                return;
            }

            handles = new TpmHandle[numHandles];
            for (int j = 0; j < numHandles; j++)
            {
                handles[j] = m.Get<TpmHandle>();
            }
            uint parmsEnd = m.GetValidLength();
            if (tag == TpmSt.Sessions)
            {
                var sessionOffset = m.Get<uint>();
                uint startOfParmsX = m.GetGetPos();
                parmsEnd = startOfParmsX + sessionOffset;
                m.SetGetPos(parmsEnd);
                var sessX = new List<SessionOut>();
                while (m.GetGetPos() < m.GetValidLength())
                {
                    var s = m.Get<SessionOut>();
                    sessX.Add(s);
                }
                sessions = sessX.ToArray();
                m.SetGetPos(startOfParmsX);
            }
            else
            {
                sessions = new SessionOut[0];
            }

            uint startOfParms = m.GetGetPos();
            uint parmsLength = parmsEnd - m.GetGetPos();

            // Get the response buf with no handles
            responseParmsNoHandles = new byte[parmsLength];
            Array.Copy(response, (int)startOfParms, responseParmsNoHandles, 0, (int)parmsLength);

            // Get the response buf with handles
            responseParmsWithHandles = new byte[parmsLength + numHandles * 4];
            Array.Copy(response, 10, responseParmsWithHandles, 0, (int)numHandles * 4);
            Array.Copy(response, (int)startOfParms, responseParmsWithHandles, (int)numHandles * 4, (int)parmsLength);
        }