// DSACryptoServiceProvider, as an AsymmetricAlgorithm, has to implement IDisposable.
/// <include file='doc\DSACryptoServiceProvider.uex' path='docs/doc[@for="DSACryptoServiceProvider.Dispose"]/*' />
protected override void Dispose(bool disposing)
{
if (_KeyHandleProtector != null && !_KeyHandleProtector.IsClosed)
{
_KeyHandleProtector.Close();
}
if (_CSPHandleProtector != null && !_CSPHandleProtector.IsClosed)
{
_CSPHandleProtector.Close();
}
}
/// <include file='doc\cryptoapiTransform.uex' path='docs/doc[@for="CryptoAPITransform.Dispose"]/*' />
void Dispose(bool disposing)
{
if (disposing)
{
// we always want to clear out these items
// clear out _rgbKey
if (_rgbKey != null)
{
Array.Clear(_rgbKey, 0, _rgbKey.Length);
_rgbKey = null;
}
if (IVValue != null)
{
Array.Clear(IVValue, 0, IVValue.Length);
IVValue = null;
}
if (_depadBuffer != null)
{
Array.Clear(_depadBuffer, 0, _depadBuffer.Length);
_depadBuffer = null;
}
}
if (_KeyHandleProtector != null && !_KeyHandleProtector.IsClosed)
{
_KeyHandleProtector.Close();
}
// Delete the temporary key container
if (!_runningWin2KOrLaterCrypto)
{
_DeleteKeyContainer(_parameters, _hCSP);
}
if (_hCSP != IntPtr.Zero)
{
_FreeCSP(_hCSP);
_hCSP = IntPtr.Zero;
}
}