题目/Title：XTEA加密算法在超高频RFID芯片上的实现
                        Implementation of XTEA on UHF RFID chip

作者/Author：吕世磊,张春
                        Shilei Lv,Chun Zhang

期刊/Journal：半导体技术 Semiconductor Technology

年份/Issue Date：2009

卷（期）及页码/Volume（No.）&pages：Vol.34, No.11, pp. 1127 - 1130

摘要/Abstract：
随着RFID系统在自动识别领域的广泛应用，各种安全问题逐渐显露。对于低成本RFID系统，尽可能降低硬件电路开销是降低成本的关键。本文选择了XTEA算法作为安全验证过程中所需的加密算法。在设计过程中，考虑了4种不同的方案，针对时间、面积和功耗进行了优化，最终实现的电路等效规模约2600门，在时钟频率为250kHz时，功耗为16μW。
Radio Frequency Identification(RFID) system is applied in more and more areas. However, the broadened application of RF tags brings latent security and privacy risks. For a low-cost RFID system, it is very important to reduce the area and power. XTEA is used as the encryption algorithm in the design. In order to gain minimum computation, small footprint, low power dissipation, four solutions are considered the implementation.