Abstract: This paper presents a scheme of a reconfigurable cipher card based on PCI-BUS, and analyses the main hardware modules. The proposed scheme employs reconfigurable computing technology, and achieves the goals of reconfigure the cryptographic module on field .Finally, it decreases the hazards of exposure of cryptographic module, and enhances selt-security of .the cipher card.

Key words: Reconfigurable Computing, Cipher Card, PCI BUS, PCI 9656

摘要： 本文提出了一种基于PCI总线的重构型密码卡硬件设计方案，并对加密卡的重要模块进行了实现，该方案采用可重构计算技术，实现了密码模块的现场重构，降低了密码暴露风险，提高加密卡的自身安全性。

关键词: 可重构计算, 加密卡, PCI总线, PCI 9656