在WIN-TC下用C写的输入密码的小程序。可用于单片机的登录验证。-in WIN-TC using C code written in the importation of small procedures. SCM can be used to login verification.

数据安全实用程序，加密解密简单程序。小程序，加密自然比较简单，程序在win-tc下通过。-Data security, utilities, encryption decryption simple procedure.Small programs, encryption is relatively simple nature, the program adopted under the win-tc.

用C语言win-tc环境下实现RC4算法，实现从键盘输入字符的加密与解密-Encryption and decryption of RC4