本文重点对硬件加密技术进行了综述，介绍了硬件加密技术的优缺点、种类及发展趋势。
It focuses on the hardware-based encryption techniques are reviewed to introduce the advantages and disadvantages of hardware encryption technology; types and development.
硬件加密技术解决了软件加密在加密运算时的密钥出现在内存和占用系统资源两个不足之处。
Hardware encryption technology solves the problem that the software encryption may cause the key computed in the memory or system resources occupied.
而存储设备生产厂商则是寻求基于存储设备硬件的解决方案，基本的做法是依靠硬件加密技术。
The storage device manufacturers are seeking storage hardware-based solutions, the basic approach is to rely on hardware encryption.
由于安全性高、速度快、性能好等优势，硬件加密技术成为了当前保护磁盘数据的主流趋势和研究热点。
Because of high security, high speed, and good performance advantages, such as hardware-based encryption technology to protect disk data has become the mainstream of current trends and research focus.
介绍了安全系统的硬件体系结构、数据安全和访问安全的保障策略以及数据加密技术。
It introduces the hardware system configuration, the policy of data security and accessing security as well as the data encrypted technology.
结合嵌入式终端的软硬件结构特点和外协产品数据的泄密环节，采取在服务器、终端与数控机床以及它们之间的传输线路处采取安全措施和数据加密技术，保证了外协产品的数据安全。
Safe measures and data encryption technology are applied to ensure that the cooperative product's data is secure in the terminal, the server, the CNC machine tool and transmission lines between them.
加密技术的实现方式有两种：分别是硬件加密方式和软件加密方式。
There are two kinds of manners for information encryption: hardware encryption and software encryption.
加密技术的实现方式有两种：分别是硬件加密方式和软件加密方式。
There are two kinds of manners for information encryption: hardware encryption and software encryption.
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