internal static SafeCryptKeyHandle GetCryptKeyHandleFromCertificatePrivateKey(X509Certificate2 cert)
{
SafeCryptKeyHandle result = new SafeCryptKeyHandle();
uint num = 0u;
bool flag = false;
if (!CngNative.CryptAcquireCertificatePrivateKey(cert.Handle, 262208u, IntPtr.Zero, ref result, ref num, ref flag))
{
int lastWin32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(lastWin32Error);
}
if (!flag || num != 4294967295u)
{
throw new InvalidOperationException();
}
return(result);
}
