一种增强型文件加密程序设计与实现

Design and Implementation of an Enhanced File Encryptor

目前,个人信息泄露问题十分严重,对敏感和隐私数据进行加密保护是防止个人信息被窃取的有效方法。已有的成熟加密算法如AES及RSA等均面向大规模应用,其算法较为复杂,运行开销也较大。对个人数据而言,可以运用密码学基本原理设计并实现简单的文件加密器对其进行保护。然而,现有的一些文件加密程序过于简易,有的程序甚至在实现上存在漏洞,在时间和资源充足的条件下容易被破解或恢复。设计并实现了一种增强型的文件加密程序,加解密均可用同一程序实现,并可安全高效地对任意类型的文件进行加解密。实验结果显示,该程序能准确地对文件进行加解密,且执行效率高,实用性强。

At present,the leakage of personal information is very serious.Encrypting sensitive and private data is an effective method to prevent personal information from being illegal leaked and obtained.Existing mature encryption algorithms,such as AES and RSA,are oriented to large-scale applications,their algorithms are more complex and their operating costs are relatively large.For our personal data,we can design and implement and small-scale file encryptor using basic principles of cryptology.However,some of the existing programs are too simple and some of them even have bugs in implementation.These programs are easy to be broken and recovered.In this paper,we designed and implemented an enhanced file encryptor with the same program in encryption and decryption.This program can safely and efficiently encrypt and decrypt any type of files.The experimental results show that this program can encrypt and decrypt accurately,and its implementation efficiency is very high,and can be applied to actual situations.