private Stream Seal()
{
IDataSealer sealer;
if (!level.HasValue || level.Value == Level.B_Level)
{
sealer = DataSealerFactory.Create(level == null ? Level.B_Level : level.Value, key);
}
else
{
sealer = DataSealerFactory.Create(level.Value, tsa, key);
}
Stream output = sealer.Seal(new MemoryStream(Encoding.UTF8.GetBytes(clearMessage)), bobEtk);
return(output);
}
private Stream Seal(Level level)
{
IDataSealer sealer;
if (level == Level.B_Level)
{
if (useSenderWKey)
{
sealer = new DataSealerFactory().Create(level, senderWKey);
}
else
{
sealer = new EhDataSealerFactory().Create(level, alice);
}
}
else
{
if (useSenderWKey)
{
sealer = new DataSealerFactory().Create(level, tsa, senderWKey);
}
else
{
sealer = new EhDataSealerFactory().Create(level, tsa, alice);
}
}
Stream output;
if (useReceiverWKey)
{
output = sealer.Seal(new MemoryStream(Encoding.UTF8.GetBytes(clearMessage)), receiverWKey);
}
else
{
output = sealer.Seal(new MemoryStream(Encoding.UTF8.GetBytes(clearMessage)), bobEtk);
}
return(output);
}