使用mfc编程实现了一个网络聊天工具。该工具具有加解密功能，分为客户端和服务器端。用到了rsa,des,sha1安全算法。-Mfc programming using an online chat tool. The tool has the encryption and decryption functions, divided into client and server side. Used in the rsa, des, sha1 security algorithms.

实现了带加解密功能的聊天程序，基于UDP协议，代码清晰，其中使用了密钥工厂来实现密钥的恢复-Achieve a chat program with encryption and decryption functions, based on UDP protocol, the code is clear, which use a key factory to achieve the key recovery

在Linux系统下，基于QT简单的聊天室的实现，带有数据加密功能-In the Linux system, a simple QT-based chat room, with data encryption