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| 折扣與優(yōu)惠：團購最低可5折優(yōu)惠 - 了解詳情 | 論文格式：Word格式(*.doc) |  |
摘要:無線射頻識別技術(Radio Frequency Identification)是一種非接觸的自動識別技術，它利用射頻信號通過空間耦合實現(xiàn)無接觸信息傳遞并通過所傳遞的信息達到識別的目的。RFID射頻識別技術應用十分廣泛，其最為突出的優(yōu)點在于，可以進行非接觸的遠程讀取，并且不需要人工操作，可以工作在惡劣環(huán)境中。 現(xiàn)今RFID技術的應用領域越來越廣闊，如服務行業(yè)、制造企業(yè)、購買與銷售物流、身份識別等，而隨之帶來的嚴重問題是其安全隱私上的脆弱，如標簽信息容易被竊取、篡改等，這也是目前一個急需解決的問題。如果RFID安全隱私問題解決不當，那么其應用范圍將被大大縮減。 本文首先介紹RFID安全技術的研究背景和RFID安全問題的國內(nèi)外研究現(xiàn)狀，然后介紹單鑰以及雙鑰體制，以及其中一些重要的加解密算法和數(shù)字簽名算法，同時給出實驗結果。然后闡述了一種已提出的RFID安全協(xié)議LMAP，將實驗結果進行演示，并對其進行安全分析，指出其存在的安全隱患，之后提出一個基于非同步攻擊問題的改進方案。最后，將改進的RFID安全協(xié)議LMAP的實驗結果進行演示，驗證改進方法的可行性。 關鍵詞：RFID ，加密解密算法，數(shù)字簽名算法，安全協(xié)議，非同步攻擊
Abstract:RFID (Radio Frequency Identification) is a non-contact automatic identification technology .It uses radio frequency through space coupling that enables wireless data transmission and can identify objects. RFID is very popular in some areas, It’s most prominent advantage is that it can undertake non-contact remote read, and does not require manual operation , RFID can also work in a variety of adverse circumstances. In recently years, RFID systems have become very popular in applications such as service industries, manufacturing companies, purchasing and distribution logistics, human identification ,etc .But the serious problem coming with it is its weakness on security, such as the data in the tag can be eavesdropped or falsified easily ,this is an urgent problem now. If the problem can not be solved well , its application would have some limitations. This article first introduces the background and the current status of RFID ,then introduces one-key cryptosystem and two-key cryptosystem, and some classical encryption algorithms and digital signature algorithms ,at the same time, experimental results are given .Then the article introduces the proposed RFID security protocol called LMAP，and shows the experimental results, this article also analyzes the security problems of LMAP, points out its potential safety problems ,and proposes a solution based on the De-synchronization Attack. At last, the experimental results of the newly developed RFID security protocol are given for verifying its feasibility. Keywords：RFID, encryption and decryption algorithm , digital signature algorithm ,security protocol ,De-synchronization attack
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