//Estabilish crypto tunnel and save session keys to CryptoManager object
static CryptoManager Handshake(Networker networker)
{
CryptoManager cryptoManager = null;
string AESKey = CryptoManager.GetAESKeyB64();
string response = networker.SendMessageAndWaitResponse(
CryptoManager.EncryptRSA2B64("message=handshake&key=" + AESKey)
);
if (!String.IsNullOrEmpty(response))
{
CryptoManager cryptoManagerTest = new CryptoManager(AESKey, response);
string responseConnected = ChatManager.SendMessageAndWaitResponseCrypted(ServerSpecificStrings.MesageOk, networker, cryptoManagerTest);
if (responseConnected.Equals(ServerSpecificStrings.MesageOk))
{
cryptoManager = cryptoManagerTest;
}
}
return(cryptoManager);
}
public static string SendMessageAndWaitResponseCrypted(string message, Networker networker, CryptoManager cryptoManager)
{
string encryptedResponseB64 = networker.SendMessageAndWaitResponse(cryptoManager.EncryptWithSessionB64(message));
return(cryptoManager.DecryptWithSessionB64(encryptedResponseB64));
}
