///<summary>All outgoing data filters through here.</summary>
override protected bool HandleOutgoing(ICopyable app_data, out ICopyable data)
{
if (!_active)
{
if (_closed == 1)
{
throw new SendException(false, "SA closed, unable to send!");
}
UpdateSH(null, null);
data = null;
return(false);
}
// prepare the packet
SecurityDataMessage sdm = new SecurityDataMessage();
sdm.SPI = _spi;
sdm.Data = app_data as MemBlock;
if (sdm.Data == null)
{
byte[] b = new byte[app_data.Length];
app_data.CopyTo(b, 0);
sdm.Data = MemBlock.Reference(b);
}
// Encrypt it!
lock (_sync) {
_current_sh.SignAndEncrypt(sdm);
}
data = new CopyList(PeerSecOverlord.Security, PeerSecOverlord.SecureData, sdm.ICPacket);
return(true);
}
public void TDES()
{
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
SymmetricAlgorithm sa = new TripleDESCryptoServiceProvider();
SecurityHandler sh = new SecurityHandler(sa, sa, sha1, sha1, 0);
byte[] data = new byte[1024];
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(data);
SecurityDataMessage sdm = new SecurityDataMessage();
sdm.SPI = 5;
sdm.Data = Brunet.Util.MemBlock.Reference(data);
sh.SignAndEncrypt(sdm);
SecurityDataMessage sdm_d = new SecurityDataMessage(sdm.Packet);
sh.DecryptAndVerify(sdm_d);
Assert.AreEqual(sdm.Data, sdm.Data, "SecurityHandler");
}