The thesis adopts a strategy of partition Flash chip to achieve user authentication function, uses a CD-ROM partition to store user login program to solve the problem of application program being destroyed intentionally or unintentionally, through a method of authentication and AES data encryption to protect security of information stored in the files confidential partition.

采用对Flash存储芯片进行分区的策略,实现了用户身份认证功能,用CD-ROM分区存储用户登录程序,解决了用户有意或无意地对登录程序的破坏问题,通过身份认证和AES数据加密的策略来对文件保密分区中的存储信息进行保护。