加密解密源程序，计算机安全课程设计，实现DES,3DES,AES加密解密，界面友好，操作简单-Encryption source code, computer security program design, implementation, DES, 3DES, AES encryption and decryption, user-friendly, simple operation

图书管理系统，用C#和SQL SERVER 2005开发的图书管理系统。实现了图书借还与查询功能，资料查询，图书信息管理，读者信息管理等一些列功能，可用作毕业设计或者课程设计-Library management system, using C# and SQL SERVER 2005 development of the library management system. Achieved also with the search function through books, inform

用编程语言实现基于RSA算法的数字签名过程，其中，RSA算法设计可加密姓名全拼。a=1,b=2,…z=26，不足添0，N>2626，双字母同时加密。-Programming language with a digital signature based on RSA algorithm process, which, RSA encryption algorithm is designed to name spelling. a = 1, b = 2, ... z = 26, less t