Fastbird Engine Monthly Log 2014. 4.

### April 2014
 
#### 2014-04-10 
* Prepared the foundation of UI system 
  * UI Renderable object in the Engine. 
  * Window, TextField, StaticText, Keyboard cursor in the UISystem 
  * Parent Child coordinates calculation 
  * focusing 
 

Login UI

 
 
#### 2014-04-15 
* Compiled openSSl library 
* How to secure the online games: 
  * Key exchange through Diffie_Hellman algorithm: http://wiki.openssl.org/index.php/Diffie_Hellman 
  * after key exchange use blowfish algorithm with the key 
 
#### 2014-04-24 
* Block cipher mode of operation : stream cipher. 
  * Cipher feedback (CFB) : makes a block cipher into a self-synchronizing stream cipher. 
  * Output feedback(OFB):  makes a block cipher into a synchronous stream cipher. 
 
#### 2014-04-28 
* Fxied crash while exiting: server crashed often when exit. overlapped structure and WSABUF are used for asynchronous IO and those buffers should be handled carefully to prevent crashes and memory leaks. 
* Fixed memory leak: overlapped / WSABuf. 
* mysql embeded: mysql c connector is almose thread safe per connections. Need to have serveral connections to use in multithreaded environment or should manage critical section. 
* AutoAccountCreation