摘要： 从实用角度提出了一种有效的数据加密方法。该算法与硬件加密狗相结合,思想简单,加解密速度快。又不易破解,是对传统数据 加密算法的很大改进。

关键词: 文件加密, 随机因子, 密钥保护, 加密狗

Abstract: This paper discusses an utilitarian method for the encryption from a viewpoint of practical use. The method working with Softdog is simple, practical and hard to decode. This method improvs greatly the traditional cryptography.

中图分类号: 

• TP309