/// <summary>
/// Start or stop decryption.
/// </summary>
/// <param name="serviceIdentifier">May be <i>0</i> to stop decryption. Normally
/// this will be the service identifier for the program to decrypt.</param>
public void Decrypt(ushort serviceIdentifier)
{
// Start if needed
if (serviceIdentifier == 0)
{
return;
}
// Access CI once
if (CI.IsIdle)
{
CI.Open();
}
// Start decryption
CI.Decrypt(serviceIdentifier);
}