public void SetDescramblerMode(int caIndex, DescramblerAlgo algo, DescramblerMode mode)
{
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter wr = new BinaryWriter(ms))
{
wr.Write(caIndex);
wr.Write((int)algo);
wr.Write((int)mode);
wr.Flush();
_IcEp.SendCommand(InterComCommand.SetDescramblerMode, ms.ToArray());
}
}
private void CmdSetCaDescrMode(BinaryReader r)
{
int adapter = r.ReadByte();
int idx = IPAddress.NetworkToHostOrder(r.ReadInt32());
DescramblerAlgo algo = (DescramblerAlgo)IPAddress.NetworkToHostOrder(r.ReadInt32());
DescramblerMode mode = (DescramblerMode)IPAddress.NetworkToHostOrder(r.ReadInt32());
LogProvider.Add(DebugLevel.DvbApi, cLogSection, Message.DvbapiSetMode, adapter, idx, algo, mode);
ChannelSession c = _ChanSessions[adapter - _AdapterOffset];
if (c != null)
{
c.SetDescramblerMode(idx, algo, mode);
}
}
private void IcCommandSetDescramblerMode(BinaryReader rdr)
{
int index = rdr.ReadInt32();
DescramblerAlgo algo = (DescramblerAlgo)rdr.ReadInt32();
DescramblerMode mode = (DescramblerMode)rdr.ReadInt32();
if (_UseMdApi)
{
if (algo != DescramblerAlgo.DvbCsa)
{
LogProvider.Add(DebugLevel.Warning, cLogSection, Message.AdapterMdapiMode);
}
return;
}
Descrambler descr = GetDescrambler(index);
descr.SetDescramblerMode(algo, mode);
}
public void SetDescramblerMode(DescramblerMode mode)
{
switch (mode)
{
case DescramblerMode.Cbc:
_EvenAes.SetMode(CipherMode.CBC);
_OddAes.SetMode(CipherMode.CBC);
break;
case DescramblerMode.Ecb:
_EvenAes.SetMode(CipherMode.ECB);
_OddAes.SetMode(CipherMode.ECB);
break;
default:
LogProvider.Add(DebugLevel.Warning, cLogSection, Message.AesInvalidDescrMode, mode);
return;
}
}
public void SetDescramblerMode(DescramblerMode mode)
{
// in DVBCSA nicht unterstützt, daher ignorieren.
}
/// <summary>
/// Setzt den Descrambler-Modus
/// </summary>
/// <param name="algo">Zu verwendender Algorithmus</param>
/// <param name="mode">Betriebsmodus des Algorithmus, wird für DVB-CSA ignoriert</param>
public void SetDescramblerMode(DescramblerAlgo algo, DescramblerMode mode)
{
if (_Disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
Type t = null;
lock (this)
{
if (_Algo != null)
{
t = _Algo.GetType();
}
try
{
switch (algo)
{
case DescramblerAlgo.DvbCsa:
if (t != typeof(DvbCsa))
{
if (_Algo != null)
{
_Algo.Dispose();
}
_Algo = new DvbCsa();
}
break;
case DescramblerAlgo.Des:
if (t != typeof(Des))
{
if (_Algo != null)
{
_Algo.Dispose();
}
_Algo = new Des();
}
break;
case DescramblerAlgo.Aes128:
if (t != typeof(Aes128))
{
if (_Algo != null)
{
_Algo.Dispose();
}
_Algo = new Aes128();
}
break;
}
_Algo.SetDescramblerMode(mode);
}
catch (Exception ex)
{
LogProvider.Exception(cLogSection, Message.DescrAlgoSwitchFailed, ex);
}
}
}
