private void Decrypt()
{
if (_zData == null)
{
// do asymmetric decryption 1st, if required
if (_xData == null)
{
var yAlg = SysProps.GetValue(SysPropName.YAlg, 0);
var yrki = SysProps.GetValue <string>(SysPropName.YRKI, null);
if ((yAlg > 0) && (yrki != null))
{
_xData = _cryptoManager.DecryptWithSecretKey(yrki, YData);
}
else
{
_xData = YData;
}
//_YData = null;
}
// now do symmetric decryption 2nd, if required
var xAlg = SysProps.GetValue(SysPropName.XAlg, 0);
var xtki = SysProps.GetValue <string>(SysPropName.XTKI, null);
if ((xAlg > 0) && (xtki != null))
{
_zData = _cryptoManager.DecryptWithTranspKey(xtki, _xData);
}
else
{
_zData = _xData;
}
_xData = null;
}
}