protected override TPMCommandResponse InternalProcess()
{
byte[] ownerAuth = _params.GetValueOf <byte[]> (PARAM_OWNERAUTH);
byte[] srkAuth = _params.GetValueOf <byte[]> (PARAM_SRKAUTH);
TPMBlob requestBlob = new TPMBlob();
requestBlob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_AUTH1_COMMAND, TPMOrdinals.TPM_ORD_TakeOwnership);
requestBlob.WriteUInt16((ushort)TPMProtocolId.TPM_PID_OWNER);
requestBlob.WriteUInt32((uint)ownerAuth.Length);
requestBlob.Write(ownerAuth, 0, ownerAuth.Length);
requestBlob.WriteUInt32((uint)srkAuth.Length);
requestBlob.Write(srkAuth, 0, srkAuth.Length);
_tpmKey.WriteToTpmBlob(requestBlob);
_responseBlob = AuthorizeMeAndTransmit(requestBlob);
CheckResponseAuthInfo();
return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_TakeOwnership, new Parameters()));
}
public void WriteAuthorizationInfo(TPMBlob target, AuthorizationInfo authInfo)
{
target.WriteUInt32(authInfo.Handle.Handle);
target.Write(authInfo.Handle.NonceOdd, 0, authInfo.Handle.NonceOdd.Length);
target.WriteBool(authInfo.ContinueAuthSession);
target.Write(authInfo.AuthData, 0, authInfo.AuthData.Length);
}
public override TPMCommandResponse Process()
{
ITPMHandle handle = _params.GetValueOf <ITPMHandle> ("handle");
TPMBlob requestBlob = new TPMBlob();
requestBlob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_COMMAND, TPMOrdinals.TPM_ORD_FlushSpecific);
requestBlob.WriteUInt32(handle.Handle);
requestBlob.WriteUInt32((uint)handle.ResourceType);
requestBlob.WriteCmdSize();
try
{
TransmitMe(requestBlob);
}
catch (Exception)
{
if (!_params.GetValueOf <bool>("ignore_tpm_error", false))
{
throw;
}
}
return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_FlushSpecific, new Parameters()));
}
public void WriteToTpmBlob(TPMBlob blob)
{
blob.WriteByte(_major);
blob.WriteByte(_minor);
blob.WriteByte(_revMajor);
blob.WriteByte(_revMinor);
}
public void ReadFromTpmBlob(TPMBlob blob)
{
_major = blob.ReadByte();
_minor = blob.ReadByte();
_revMajor = blob.ReadByte();
_revMinor = blob.ReadByte();
}
public static TPMVersionCore CreateFromTPMBlob(TPMBlob blob)
{
TPMVersionCore version = new TPMVersionCore();
version.ReadFromTpmBlob(blob);
return(version);
}
public static TPMStorePubkeyCore CreateFromTpmBlob(TPMBlob blob)
{
TPMStorePubkeyCore pubkey = new TPMStorePubkeyCore();
pubkey.ReadFromTpmBlob(blob);
return(pubkey);
}
public static TPMPCRInfoCore CreateFromTPMBlob(TPMBlob blob)
{
TPMPCRInfoCore pcrInfo = new TPMPCRInfoCore();
pcrInfo.ReadFromTpmBlob(blob);
return(pcrInfo);
}
public ResponseAuthHandleInfoCore(TPMBlob blob, long startIndex)
{
blob.Seek(startIndex, SeekOrigin.Begin);
_nonceEven = blob.ReadBytes(20);
_continueAuthSession = blob.ReadBool();
_tpmAuthData = blob.ReadBytes(20);
}
public void WriteToTpmBlob(TPMBlob blob)
{
blob.WriteUInt32((uint)_algorithmId);
blob.WriteUInt16((ushort)_encScheme);
blob.WriteUInt16((ushort)_sigScheme);
TPMBlobWriteableHelper.WriteITPMBlobWritableWithUIntSize(blob, (ITPMBlobWritable)_params);
}
public static TPMStoredDataCore CreateFromTPMBlob(TPMBlob blob)
{
TPMStoredDataCore storedData = new TPMStoredDataCore();
storedData.ReadFromTpmBlob(blob);
return(storedData);
}
public static TPMKeyParamsCore CreateFromTPMBlob(TPMBlob blob)
{
TPMKeyParamsCore keyParams = new TPMKeyParamsCore();
keyParams.ReadFromTpmBlob(blob);
return(keyParams);
}
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");
}
}
}
public override TPMCommandResponse Process()
{
byte[] nonce = NonceGenerator.GenerateByteNonce(20);
TPMBlob requestBlob = new TPMBlob();
requestBlob.WriteCmdHeader(TPMCmdTags.TPM_TAG_RQU_COMMAND, TPMOrdinals.TPM_ORD_ReadPubek);
requestBlob.Write(nonce, 0, nonce.Length);
requestBlob.WriteCmdSize();
TPMBlob responseBlob = TransmitMe(requestBlob);
responseBlob.SkipHeader();
long posStart = responseBlob.Position;
TPMPubkeyCore pubkey = TPMPubkeyCore.CreateFromTPMBlob(responseBlob);
long posEnd = responseBlob.Position;
Digest digest = new Digest(responseBlob, 20);
if (digest.CompareTo(
new HashStreamDataProvider(responseBlob, posStart, posEnd - posStart, false),
new HashByteDataProvider(nonce)) == false)
{
throw new TPMResponseException("Local digest does not match remote digest");
}
Parameters responseParams = new Parameters();
responseParams.AddValue(TPMPubkey.PARAM_TPM_PUBKEY, pubkey);
return(new TPMCommandResponse(true, TPMCommandNames.TPM_CMD_ReadPubek, responseParams));
}
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));
}
/// <summary>
/// Transmit a blob to the given network stream
/// </summary>
/// <param name="stm"></param>
/// <param name="tpmBlob"></param>
public static void SendBlob(Stream stm, TPMBlob tpmBlob)
{
// We need to have a valid size when working over the network
// Disabled for now - tpmBlob.WriteCmdSize();
//tpmBlob.WriteCmdSize();
RawSendBlob(stm, tpmBlob.GetBuffer(), (int)tpmBlob.Length);
}
public static TPMPCRSelectionCore CreateFromTPMBlob(TPMBlob blob)
{
TPMPCRSelectionCore pcrSelection = new TPMPCRSelectionCore();
pcrSelection.ReadFromTpmBlob(blob);
return(pcrSelection);
}
/// <summary>
/// Transmit and check the given TPM blob.
/// </summary>
/// <param name="blob"></param>
/// <returns></returns>
public TPMBlob TransmitAndCheck(TPMBlob blob, bool writeSize)
{
ushort expected_rsp_tag;
// Determine the expected RSP tag
blob.Position = 0;
switch (blob.ReadUInt16())
{
case TPMCmdTags.TPM_TAG_RQU_COMMAND:
expected_rsp_tag = TPMCmdTags.TPM_TAG_RSP_COMMAND;
break;
case TPMCmdTags.TPM_TAG_RQU_AUTH1_COMMAND:
expected_rsp_tag = TPMCmdTags.TPM_TAG_RSP_AUTH1_COMMAND;
break;
case TPMCmdTags.TPM_TAG_RQU_AUTH2_COMMAND:
expected_rsp_tag = TPMCmdTags.TPM_TAG_RSP_AUTH2_COMMAND;
break;
default:
throw new Exception();
//throw new TpmCommandException("Unsupported TPM request tag", blob);
}
// Do the actual transaction
TPMBlob rsp = Transmit(blob, writeSize);
// Check the response
CheckTpmReponse(rsp, expected_rsp_tag);
return(rsp);
}
public static TPMPCRCompositeCore CreateFromTPMBlob(TPMBlob blob)
{
TPMPCRCompositeCore pcrComposite = new TPMPCRCompositeCore();
pcrComposite.ReadFromTpmBlob(blob);
return(pcrComposite);
}
public static TPMCounterValueCore CreateFromTPMBlob(TPMBlob blob)
{
TPMCounterValueCore counterValue = new TPMCounterValueCore();
counterValue.ReadFromTpmBlob(blob);
return(counterValue);
}
public static TPMPubkeyCore CreateFromTPMBlob(TPMBlob src)
{
TPMPubkeyCore pubkey = new TPMPubkeyCore();
pubkey.ReadFromTpmBlob(src);
return(pubkey);
}
public void WriteToTpmBlob(TPMBlob blob)
{
((ITPMBlobWritable)_version).WriteToTpmBlob(blob);
blob.Write(_fixed, 0, _fixed.Length);
blob.Write(_compositeHash, 0, _compositeHash.Length);
blob.Write(_nonce, 0, _nonce.Length);
}
public void WriteToTpmBlob(TPMBlob blob)
{
((ITPMBlobWritable)_versionStruct).WriteToTpmBlob(blob);
blob.WriteUInt32((uint)_sealInfo.Length);
blob.Write(_sealInfo, 0, _sealInfo.Length);
blob.WriteUInt32((uint)_encData.Length);
blob.Write(_encData, 0, _encData.Length);
}
public void WriteToTpmBlob(TPMBlob blob)
{
blob.WriteUInt32(_keyLength);
blob.WriteUInt32(_numPrimes);
blob.WriteUInt32((uint)_exponent.Length);
blob.Write(_exponent, 0, _exponent.Length);
}
public void ReadFromTpmBlob(TPMBlob blob)
{
uint size = blob.ReadUInt16();
byte[] selectionBits = new byte[size];
blob.Read(selectionBits, 0, (int)size);
_pcrSelection = new BitMap(selectionBits);
}
public HashTPMBlobWritableDataProvider(ITPMBlobWritable blobWritable)
{
TPMBlob tempBlob = new TPMBlob();
blobWritable.WriteToTpmBlob(tempBlob);
_subDataProvider = new HashStreamDataProvider(tempBlob, null, null, true);
}
/// <summary>
/// TPM response check with tag test
/// </summary>
/// <param name="rsp"></param>
/// <param name="p"></param>
public void CheckTpmReponse(TPMBlob rsp, ushort expected_tag)
{
ushort currentTag = CheckTpmReponse(rsp);
if (currentTag != expected_tag)
{
throw new TPMResponseException(-1, string.Format("TPM response tag does not match request tag, received: {0}, expected: {1}", currentTag, expected_tag), rsp);
}
}
public void ReadFromTpmBlob(TPMBlob blob)
{
UInt16 handleCount = blob.ReadUInt16();
for (int i = 0; i < handleCount; i++)
{
_handles.Add(blob.ReadUInt32());
}
}
public void ReadFromTpmBlob(TPMBlob blob)
{
_pcrSelection = TPMPCRSelectionCore.CreateFromTPMBlob(blob);
byte[] digestAtRelease = new byte[20];
byte[] digestAtCreation = new byte[20];
blob.Read(digestAtRelease, 0, 20);
blob.Read(digestAtCreation, 0, 20);
}
public void WriteToTpmBlob(TPMBlob blob)
{
((ITPMBlobWritable)_pcrSelection).WriteToTpmBlob(blob);
blob.WriteUInt32((uint)_pcrValues.Length * 20);
foreach (byte[] pcrValue in _pcrValues)
{
blob.Write(pcrValue, 0, pcrValue.Length);
}
}
