public InfoCardKeyedHashAlgorithm(SymmetricCryptoHandle cryptoHandle)
{
InternalRefCountedHandle nativeHashHandle = null;
try
{
int status = CardSpaceSelector.GetShim().m_csShimGetKeyedHash(cryptoHandle.InternalHandle, out nativeHashHandle);
if (status != 0)
{
InfoCardTrace.CloseInvalidOutSafeHandle(nativeHashHandle);
ExceptionHelper.ThrowIfCardSpaceException(status);
throw InfoCardTrace.ThrowHelperError(new Win32Exception(status));
}
this.m_cryptoHandle = (HashCryptoHandle)CryptoHandle.Create(nativeHashHandle);
this.m_param = (RpcHashCryptoParameters)this.m_cryptoHandle.Parameters;
}
catch
{
if (this.m_cryptoHandle != null)
{
this.m_cryptoHandle.Dispose();
}
throw;
}
}
public CryptoTransform(InfoCardSymmetricAlgorithm symAlgo, Direction cryptoDirection)
{
InternalRefCountedHandle nativeTransformHandle = null;
byte[] iV = symAlgo.IV;
using (HGlobalSafeHandle handle2 = HGlobalSafeHandle.Construct(iV.Length))
{
Marshal.Copy(iV, 0, handle2.DangerousGetHandle(), iV.Length);
int status = CardSpaceSelector.GetShim().m_csShimGetCryptoTransform(symAlgo.m_cryptoHandle.InternalHandle, (int)symAlgo.Mode, (int)symAlgo.Padding, symAlgo.FeedbackSize, (int)cryptoDirection, iV.Length, handle2, out nativeTransformHandle);
if (status != 0)
{
InfoCardTrace.CloseInvalidOutSafeHandle(nativeTransformHandle);
ExceptionHelper.ThrowIfCardSpaceException(status);
throw InfoCardTrace.ThrowHelperError(new Win32Exception(status));
}
this.m_transCryptoHandle = (TransformCryptoHandle)CryptoHandle.Create(nativeTransformHandle);
this.m_param = (RpcTransformCryptoParameters)this.m_transCryptoHandle.Parameters;
}
}