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中文摘要：
由于射频识别标签本身具有资源受限的特点,因此它只能采用轻量级的加密算法.AES（advancedencryption standard）是当今世界著名的加密标准算法,它具有安全、适应领域宽、实现方便等特点.为了能够把AES用于射频识别标签系统,必须对其进行轻量化处理.本文在对AES加密过程分析的基础上进行了优化设计,采用模块复合结构提高利用率.经仿真实验证明,本文提出的方案符合射频识别标签系统集成电路面积小和低功耗的要求,同等条件下加密速度较快,且如标签同时实现加解密功能,芯片面积及响应时间等综合指标将达到最优化.这一方案同样适用于传感器网络以及其他资源受限环境中.
英文摘要：
AES（advanced encryption standard） is famous for the features of its security, wide application area and easy implemention. It must be light-weight processed if applying to radio frequncy identification （RFID） because RFID tag only uses light-weight encryption algorithm for its resource-limited characteristic. In this paper, the availability was enhanced by an optimal design of AES and using composite structure. The simulation experiments show that it meets the requirements of the small-area and low-power integrated circuit in RFID tag system, higher speed under the same condition, and the composite indicator such as chip area and the response time reaches optimization if the eneryption function could be implemented in the tag. The scheme also applies to sensor networks and the other resource-limited environments.
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