Example #1
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _algorithmId = (TPMAlgorithmId)blob.ReadUInt32();
            _encScheme   = (TPMEncScheme)blob.ReadUInt16();
            _sigScheme   = (TPMSigScheme)blob.ReadUInt16();

            UInt32 paramsSize = blob.ReadUInt32();

            byte[] paramsData = new byte[paramsSize];

            blob.Read(paramsData, 0, paramsData.Length);

            using (TPMBlob paramSrc = new TPMBlob(paramsData))
            {
                if (_algorithmId == TPMAlgorithmId.TPM_ALG_RSA)
                {
                    _params = TPMRSAKeyParamsCore.CreateFromTPMBlob(paramSrc);
                }
                else if (_algorithmId == TPMAlgorithmId.TPM_ALG_AES128 ||
                         _algorithmId == TPMAlgorithmId.TPM_ALG_AES192 ||
                         _algorithmId == TPMAlgorithmId.TPM_ALG_AES256)
                {
                    //TODO
                    throw new NotImplementedException("Symmetric key params not implemented");
                }
            }
        }
Example #2
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _versionStruct = CapabilityDataCore.TPMVersionCore.CreateFromTPMBlob(blob);

            _sealInfo = new byte[blob.ReadUInt32()];
            blob.Read(_sealInfo, 0, _sealInfo.Length);

            _encData = new byte[blob.ReadUInt32()];
            blob.Read(_encData, 0, _encData.Length);
        }
Example #3
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _keyLength = blob.ReadUInt32();
            _numPrimes = blob.ReadUInt32();

            uint expoSize = blob.ReadUInt32();

            _exponent = new byte[expoSize];
            blob.Read(_exponent, 0, (int)expoSize);
        }
Example #4
0
        private uint ReadUInt32Response(TPMBlob response)
        {
            uint responseSize = response.ReadUInt32();

            if (responseSize != 4)
            {
                throw new TPMResponseException(string.Format("Capability response size mismatch (should be 4, and is {0})", responseSize));
            }

            return(response.ReadUInt32());
        }
Example #5
0
        public override TPMCommandResponse Process()
        {
            if (_params.IsDefined <ITPMHandle>("handle") == false ||
                _params.IsDefined <byte[]>("context_blob") == false)
            {
                return(new TPMCommandResponse(false, TPMCommandNames.TPM_CMD_LoadContext, new Parameters()));
            }

            ITPMHandle handle = _params.GetValueOf <ITPMHandle>("handle");


            TPMBlob blob = new TPMBlob();

            blob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_COMMAND, TPMOrdinals.TPM_ORD_LoadContext);
            blob.WriteUInt32(handle.Handle);
            blob.WriteBool(handle.ForceHandle);
            blob.WriteUInt32((uint)handle.ContextBlob.Length);
            blob.Write(handle.ContextBlob, 0, handle.ContextBlob.Length);

            TPMBlob responseBlob = TransmitMe(blob);

            responseBlob.SkipHeader();
            handle.Handle = responseBlob.ReadUInt32();

            Parameters responseParameters = new Parameters();

            responseParameters.AddValue("handle", handle);

            return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_LoadContext, responseParameters));
        }
Example #6
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _version         = CapabilityDataCore.TPMVersionCore.CreateFromTPMBlob(blob);
            _keyUsage        = (TPMKeyUsage)blob.ReadUInt16();
            _keyFlags        = (TPMKeyFlags)blob.ReadUInt32();
            _authDataUsage   = (TPMAuthDataUsage)blob.ReadByte();
            _algorithmParams = TPMKeyParamsCore.CreateFromTPMBlob(blob);

            uint pcrInfoSize = blob.ReadUInt32();

            /*byte[] pcrInfo =*/ blob.ReadBytes((int)pcrInfoSize);

            _pubKey = TPMStorePubkeyCore.CreateFromTpmBlob(blob);

            uint encDataSize = blob.ReadUInt32();

            _encData = blob.ReadBytes((int)encDataSize);
        }
Example #7
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            UInt16 handleCount = blob.ReadUInt16();

            for (int i = 0; i < handleCount; i++)
            {
                _handles.Add(blob.ReadUInt32());
            }
        }
Example #8
0
        /// <summary>
        /// Check a TPM reply blob
        /// </summary>
        /// <param name="reply">The tag type of this blob</param>
        public UInt16 CheckTpmReponse(TPMBlob reply)
        {
            if (reply.Length < 10)
            {
                throw new Exception();
            }
            //throw new TpmCommandException("Short TPM response", reply);

            // Start from position zero
            reply.Position = 0;

            // Check the reply tag
            ushort replyTag = reply.ReadUInt16();

            if (replyTag != TPMCmdTags.TPM_TAG_RSP_COMMAND &&
                replyTag != TPMCmdTags.TPM_TAG_RSP_AUTH1_COMMAND &&
                replyTag != TPMCmdTags.TPM_TAG_RSP_AUTH2_COMMAND)
            {
                throw new Exception();
                //throw new TpmCommandException("Invalid TPM response tag", reply);
            }

            // Check the parameter size
            uint paramSize = reply.ReadUInt32();

            if ((int)paramSize != reply.Length)
            {
                throw new Exception();
                //throw new TpmCommandException("Bad TPM response paramSize", reply);
            }

            // Finally check the TPM result
            uint tpmResult = reply.ReadUInt32();

            if (tpmResult != 0)
            {
                throw new TPMResponseException((Int64)tpmResult, TPMErrorCodeToMessage(tpmResult), reply);
            }

            return(replyTag);
        }
Example #9
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _pcrSelection = TPMPCRSelectionCore.CreateFromTPMBlob(blob);

            uint valueSize = blob.ReadUInt32();

            _pcrValues = new byte[valueSize / 20][];

            for (int i = 0; i < valueSize / 20; i++)
            {
                _pcrValues[i] = blob.ReadBytes(20);
            }
        }
Example #10
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            _authHandle = blob.ReadUInt32();

            _nonceEven = new byte[20];
            blob.Read(_nonceEven, 0, _nonceEven.Length);

            if (_authType == AuthHandle.AuthType.OSAP)
            {
                _nonceEvenOSAP = new byte[20];
                blob.Read(_nonceEvenOSAP, 0, _nonceEvenOSAP.Length);
            }
        }
Example #11
0
            public void ReadFromTpmBlob(TPMBlob blob)
            {
                /*uint responseSize = */ blob.ReadUInt32();

                this._tag         = blob.ReadUInt16();
                this._version     = new TPMVersionCore(blob);
                this._specLevel   = blob.ReadUInt16();
                this._errataRev   = blob.ReadByte();
                this._tpmVendorId = new byte[4];
                blob.Read(_tpmVendorId, 0, _tpmVendorId.Length);

                ushort vendorSize = blob.ReadUInt16();

                _vendorSpecific = blob.ReadBytes(vendorSize);
            }
Example #12
0
        public override TPMCommandResponse Process()
        {
            //We don't have any meaningful labeldata we could include,
            //so generate some random
            byte[] labelData = new byte[16];
            Random r         = new Random();

            r.NextBytes(labelData);


            if (_params.IsDefined <ITPMHandle>("handle") == false)
            {
                return(new TPMCommandResponse(false, TPMCommandNames.TPM_CMD_SaveContext, new Parameters()));
            }


            ITPMHandle handle = _params.GetValueOf <ITPMHandle>("handle");

            TPMBlob requestBlob = new TPMBlob();

            requestBlob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_COMMAND, TPMOrdinals.TPM_ORD_SaveContext);
            requestBlob.WriteUInt32(handle.Handle);
            requestBlob.WriteUInt32((uint)handle.ResourceType);
            requestBlob.Write(labelData, 0, labelData.Length);

            TPMBlob responseBlob = TransmitMe(requestBlob);

            responseBlob.SkipHeader();

            uint blobSize = responseBlob.ReadUInt32();

            byte[] contextBlob = responseBlob.ReadBytes((int)blobSize);

            Parameters responseParams = new Parameters();

            responseParams.AddPrimitiveType("context_blob", contextBlob);
            return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_SaveContext, responseParams));
        }
Example #13
0
 public void ReadFromTpmBlob(TPMBlob blob)
 {
     _structureTag = (TPMStructureTag)blob.ReadUInt16();
     _label        = blob.ReadBytes(4);
     _counterValue = blob.ReadUInt32();
 }
Example #14
0
        public override TPMCommandResponse Process()
        {
            TPMBlob requestBlob = new TPMBlob();

            requestBlob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_COMMAND, TPMOrdinals.TPM_ORD_GetCapability);
            requestBlob.WriteUInt32((uint)_capArea);

            switch (_capArea)
            {
            case CapabilityData.TPMCapabilityArea.TPM_CAP_VERSION_VAL:
                //Subcaps are ignored by TPM_CAP_VERSION_VAL
                requestBlob.WriteUInt32(0);
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_HANDLE:
                requestBlob.WriteUInt32(4);
                requestBlob.WriteUInt32((uint)_param.GetValueOf <TPMResourceType> ("handle_type"));
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY:
                CapabilityData.TPMSubCapProperty subCap = _param.GetValueOf <CapabilityData.TPMSubCapProperty> ("subCap");

                //Size of subcap
                requestBlob.WriteUInt32(4);
                requestBlob.WriteUInt32((uint)subCap);
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_SELECT_SIZE:

                CapabilityDataCore.TPMSelectSizeCore tpmSelectSize =
                    CapabilityDataCore.TPMSelectSizeCore.CreateVersion12(_param.GetValueOf <ushort>(CapabilityData.PARAM_PROP_SELECT_SIZE));

                TPMBlobWriteableHelper.WriteITPMBlobWritableWithUIntSize(requestBlob, tpmSelectSize);
                break;

            default:
                throw new NotSupportedException("Defined cap or subcap are not supported");
            }



//			if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_VERSION_VAL)
//			{
//				//Subcaps are ignored by TPM_CAP_VERSION_VAL
//				requestBlob.WriteUInt32 (0);
//			}
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_HANDLE)
//			{
//				requestBlob.WriteUInt32 (4);
//				requestBlob.WriteUInt32 ((uint)_param.GetValueOf<TPMResourceType> ("handle_type"));
//			}
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY)
//			{
//				CapabilityData.TPMSubCapProperty subCap = _param.GetValueOf<CapabilityData.TPMSubCapProperty> ("subCap");
//
//				//Size of subcap
//				requestBlob.WriteUInt32 (4);
//				requestBlob.WriteUInt32 ((uint)subCap);
//			}
//			else
//				throw new NotSupportedException ("Defined cap or subcap are not supported");

            requestBlob.WriteCmdSize();

            TPMBlob responseBlob = TransmitMe(requestBlob);

            responseBlob.SkipHeader();

            Parameters parameters = new Parameters();


            switch (_capArea)
            {
            case CapabilityData.TPMCapabilityArea.TPM_CAP_VERSION_VAL:
                CapabilityDataCore.TPMCapVersionInfoCore tpmVersionInfo = new CapabilityDataCore.TPMCapVersionInfoCore(responseBlob);
                parameters.AddValue(CapabilityData.PARAM_TPM_VERSION_INFO, tpmVersionInfo);
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_HANDLE:
                responseBlob.SkipHeader();

                //Reads the response size, which is ignored
                responseBlob.ReadUInt32();

                HandleListCore handleList = new HandleListCore(responseBlob, _param.GetValueOf <TPMResourceType> ("handle_type"));
                parameters.AddValue("handles", handleList);
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY:
                responseBlob.SkipHeader();
                switch (_param.GetValueOf <CapabilityData.TPMSubCapProperty> ("subCap"))
                {
                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_PCR:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_PCR, ReadUInt32Response(responseBlob));
                    break;

                //case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_DIR:
                //    parameters.AddPrimitiveType (CapabilityData.PARAM_PROP_DIR, ReadUInt32Response (responseBlob));
                //    break;
                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MANUFACTURER:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_MANUFACTURER, ReadUInt32Response(responseBlob));
                    break;

                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_KEYS:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_KEYS, ReadUInt32Response(responseBlob));
                    break;

                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_AUTHSESS:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_MAX_AUTHSESS, ReadUInt32Response(responseBlob));
                    break;

                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_TRANSESS:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_MAX_TRANSESS, ReadUInt32Response(responseBlob));
                    break;

                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_KEYS:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_MAX_KEYS, ReadUInt32Response(responseBlob));
                    break;

                case CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_SESSIONS:
                    parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_MAX_SESSIONS, ReadUInt32Response(responseBlob));
                    break;

                default:
                    throw new NotSupportedException("Defined cap or subcap are not supported");
                }
                break;

            case CapabilityData.TPMCapabilityArea.TPM_CAP_SELECT_SIZE:
                parameters.AddPrimitiveType(CapabilityData.PARAM_PROP_SELECT_SIZE, ReadBoolResponse(responseBlob));
                break;
            }



//			if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_VERSION_VAL)
//			{
//				CapabilityDataCore.TPMCapVersionInfoCore tpmVersionInfo = new CapabilityDataCore.TPMCapVersionInfoCore (responseBlob);
//				parameters.AddValue (CapabilityData.PARAM_TPM_VERSION_INFO, tpmVersionInfo);
//			}
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_HANDLE)
//			{
//				responseBlob.SkipHeader ();
//
//				//Reads the response size, which is ignored
//				responseBlob.ReadUInt32 ();
//
//				HandleListCore handleList = new HandleListCore (responseBlob, _param.GetValueOf<TPMResourceType> ("handle_type"));
//				parameters.AddValue ("handles", handleList);
//			}
//
//
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY &&
//				    _param.GetValueOf<CapabilityData.TPMSubCapProperty> ("subCap") == CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_PCR)
//			{
//				responseBlob.SkipHeader ();
//				parameters.AddPrimitiveType (CapabilityData.PARAM_PROP_PCR, ReadUInt32Response (responseBlob));
//			}
//
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY &&
//				_param.GetValueOf<CapabilityData.TPMSubCapProperty> ("subCap") == CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_AUTHSESS)
//			{
//				responseBlob.SkipHeader ();
//				parameters.AddPrimitiveType (CapabilityData.PARAM_PROP_MAX_AUTHSESS, ReadUInt32Response (responseBlob));
//			}
//
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY &&
//				_param.GetValueOf<CapabilityData.TPMSubCapProperty> ("subCap") == CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_TRANSESS)
//			{
//				responseBlob.SkipHeader ();
//				parameters.AddPrimitiveType (CapabilityData.PARAM_PROP_MAX_TRANSESS, ReadUInt32Response (responseBlob));
//			}
//
//			else if (_capArea == CapabilityData.TPMCapabilityArea.TPM_CAP_PROPERTY &&
//				_param.GetValueOf<CapabilityData.TPMSubCapProperty> ("subCap") == CapabilityData.TPMSubCapProperty.TPM_CAP_PROP_MAX_SESSIONS)
//			{
//				responseBlob.SkipHeader ();
//				parameters.AddPrimitiveType (CapabilityData.PARAM_PROP_MAX_SESSIONS, ReadUInt32Response (responseBlob));
//			}
//			else
//				throw new NotSupportedException("Defined cap or subcap are not supported");

            return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_GetCapability, parameters));
        }
Example #15
0
        public void ReadFromTpmBlob(TPMBlob blob)
        {
            uint keyLength = blob.ReadUInt32();

            _pubkey = blob.ReadBytes((int)keyLength);
        }