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 static TPMRSAKeyParamsCore CreateFromTPMBlob(TPMBlob blob)
{
TPMRSAKeyParamsCore keyParams = new TPMRSAKeyParamsCore();
keyParams.ReadFromTpmBlob(blob);
return(keyParams);
}
public static TPMRSAKeyParamsCore Create(uint keyLength, uint numPrimes, byte[] exponent)
{
TPMRSAKeyParamsCore rsaKeyParams = new TPMRSAKeyParamsCore();
rsaKeyParams._keyLength = keyLength;
if (numPrimes == 0)
{
rsaKeyParams._numPrimes = DEFAULT_NUMPRIMES;
}
else
{
rsaKeyParams._numPrimes = numPrimes;
}
if (exponent == null)
{
rsaKeyParams._exponent = new byte[0];
}
else
{
rsaKeyParams._exponent = exponent;
}
return(rsaKeyParams);
}
public static TPMRSAKeyParamsCore Create(uint keyLength, uint numPrimes, byte[] exponent)
{
TPMRSAKeyParamsCore rsaKeyParams = new TPMRSAKeyParamsCore ();
rsaKeyParams._keyLength = keyLength;
if(numPrimes == 0)
rsaKeyParams._numPrimes = DEFAULT_NUMPRIMES;
else
rsaKeyParams._numPrimes = numPrimes;
if (exponent == null)
rsaKeyParams._exponent = new byte[0];
else
rsaKeyParams._exponent = exponent;
return rsaKeyParams;
}
public static TPMRSAKeyParamsCore CreateFromTPMBlob(TPMBlob blob)
{
TPMRSAKeyParamsCore keyParams = new TPMRSAKeyParamsCore();
keyParams.ReadFromTpmBlob(blob);
return keyParams;
}
