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针对用户对高安全性移动存储设备的迫切需求和现有的各类USB安全载体的不足,提出了一种集身份认证、存储数据加密、存储数据安全管理等功能于一体的高安全性USB密钥载体的设计方案。首先从总体上描述了载体的结构组成和工作原理,然后具体介绍了各关键模块的设计与实现情况。方案中所采用的双重访问控制机制和基于FPGA的硬件加密逻辑结构,从安全性、可升级性和运算速度方面大大增强了载体的性能。
Aiming at the urgent need of users for high security removable storage devices and the shortage of all kinds of existing USB security carriers, a high-security USB key is put forward which integrates functions of identity authentication, data encryption and data security management Key carrier design. First of all, it describes the structure and working principle of carrier in general and then introduces the design and implementation of each key module. The dual access control scheme and the FPGA-based hardware cryptography logic architecture used in the solution greatly enhance the performance of the bearer in terms of security, upgradability and computational speed.